JP4504306B2 - Inkjet recording material for pigment ink - Google Patents
Inkjet recording material for pigment ink Download PDFInfo
- Publication number
- JP4504306B2 JP4504306B2 JP2005352175A JP2005352175A JP4504306B2 JP 4504306 B2 JP4504306 B2 JP 4504306B2 JP 2005352175 A JP2005352175 A JP 2005352175A JP 2005352175 A JP2005352175 A JP 2005352175A JP 4504306 B2 JP4504306 B2 JP 4504306B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- gloss
- silica
- ink
- recording material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 title claims description 47
- 239000000049 pigment Substances 0.000 title claims description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 152
- 239000007787 solid Substances 0.000 claims description 52
- 239000008119 colloidal silica Substances 0.000 claims description 49
- 239000000377 silicon dioxide Substances 0.000 claims description 45
- 229920005989 resin Polymers 0.000 claims description 30
- 239000011347 resin Substances 0.000 claims description 30
- 239000011163 secondary particle Substances 0.000 claims description 30
- 239000011230 binding agent Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 20
- 239000010419 fine particle Substances 0.000 claims description 17
- 150000002736 metal compounds Chemical class 0.000 claims description 11
- 229920005672 polyolefin resin Polymers 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 131
- 238000000034 method Methods 0.000 description 37
- 239000000123 paper Substances 0.000 description 33
- 239000002245 particle Substances 0.000 description 29
- 230000000052 comparative effect Effects 0.000 description 22
- 239000011164 primary particle Substances 0.000 description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000002585 base Substances 0.000 description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 description 13
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 13
- 239000004372 Polyvinyl alcohol Substances 0.000 description 12
- -1 polyethylene Polymers 0.000 description 12
- 239000012808 vapor phase Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- 239000006185 dispersion Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000011324 bead Substances 0.000 description 7
- LYTNHSCLZRMKON-UHFFFAOYSA-L oxygen(2-);zirconium(4+);diacetate Chemical compound [O-2].[Zr+4].CC([O-])=O.CC([O-])=O LYTNHSCLZRMKON-UHFFFAOYSA-L 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000011247 coating layer Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000499 gel Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 238000007127 saponification reaction Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 5
- 239000004327 boric acid Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000004848 polyfunctional curative Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 108010010803 Gelatin Proteins 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 229920000159 gelatin Polymers 0.000 description 4
- 239000008273 gelatin Substances 0.000 description 4
- 235000019322 gelatine Nutrition 0.000 description 4
- 235000011852 gelatine desserts Nutrition 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000003851 corona treatment Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 239000005049 silicon tetrachloride Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 229920003169 water-soluble polymer Polymers 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000006081 fluorescent whitening agent Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229940091250 magnesium supplement Drugs 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- VNDYJBBGRKZCSX-UHFFFAOYSA-L zinc bromide Chemical compound Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- LUMLZKVIXLWTCI-NSCUHMNNSA-N (e)-2,3-dichloro-4-oxobut-2-enoic acid Chemical compound OC(=O)C(\Cl)=C(/Cl)C=O LUMLZKVIXLWTCI-NSCUHMNNSA-N 0.000 description 1
- FCTDKZOUZXYHNA-UHFFFAOYSA-N 1,4-dioxane-2,2-diol Chemical compound OC1(O)COCCO1 FCTDKZOUZXYHNA-UHFFFAOYSA-N 0.000 description 1
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 description 1
- ASGBOCLUVBWOPM-UHFFFAOYSA-N 1-chloropentane-2,3-dione Chemical compound CCC(=O)C(=O)CCl ASGBOCLUVBWOPM-UHFFFAOYSA-N 0.000 description 1
- WZXCSZLLOBNANT-UHFFFAOYSA-N 2-chloroethylurea;2,6-dichloro-1h-1,3,5-triazin-4-one Chemical compound NC(=O)NCCCl.NC(=O)NCCCl.OC1=NC(Cl)=NC(Cl)=N1 WZXCSZLLOBNANT-UHFFFAOYSA-N 0.000 description 1
- XFSMEWPSXDHRNU-UHFFFAOYSA-N 4-(2-ethylhexoxy)-4-oxo-3-sulfobutanoic acid Chemical class CCCCC(CC)COC(=O)C(S(O)(=O)=O)CC(O)=O XFSMEWPSXDHRNU-UHFFFAOYSA-N 0.000 description 1
- DUFCMRCMPHIFTR-UHFFFAOYSA-N 5-(dimethylsulfamoyl)-2-methylfuran-3-carboxylic acid Chemical compound CN(C)S(=O)(=O)C1=CC(C(O)=O)=C(C)O1 DUFCMRCMPHIFTR-UHFFFAOYSA-N 0.000 description 1
- AQSOTOUQTVJNMY-UHFFFAOYSA-N 7-(dimethylamino)-4-hydroxy-3-oxophenoxazin-10-ium-1-carboxylic acid;chloride Chemical compound [Cl-].OC(=O)C1=CC(=O)C(O)=C2OC3=CC(N(C)C)=CC=C3[NH+]=C21 AQSOTOUQTVJNMY-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZIQYWMNGCHHWLT-UHFFFAOYSA-K C(CC(O)(C(=O)[O-])CC(=O)[O-])(=O)[O-].[Na+].[W+4] Chemical compound C(CC(O)(C(=O)[O-])CC(=O)[O-])(=O)[O-].[Na+].[W+4] ZIQYWMNGCHHWLT-UHFFFAOYSA-K 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- DCXXMTOCNZCJGO-UHFFFAOYSA-N Glycerol trioctadecanoate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910021575 Iron(II) bromide Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- WSXWJVURNCMALE-UHFFFAOYSA-L N.O.O.[Cl-].[Cl-].[Cu+2] Chemical compound N.O.O.[Cl-].[Cl-].[Cu+2] WSXWJVURNCMALE-UHFFFAOYSA-L 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- RTWXJQHHXAPSSY-UHFFFAOYSA-M O.O.O.O.O.O.S(=O)(=O)([O-])[O-].[NH4+].[Mn+] Chemical compound O.O.O.O.O.O.S(=O)(=O)([O-])[O-].[NH4+].[Mn+] RTWXJQHHXAPSSY-UHFFFAOYSA-M 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- JGDITNMASUZKPW-UHFFFAOYSA-K aluminium trichloride hexahydrate Chemical compound O.O.O.O.O.O.Cl[Al](Cl)Cl JGDITNMASUZKPW-UHFFFAOYSA-K 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
- 229940009861 aluminum chloride hexahydrate Drugs 0.000 description 1
- 229940063655 aluminum stearate Drugs 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical group [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- ZZPAXHDZFDUTLY-UHFFFAOYSA-L ammonium nickel sulfate hexahydrate Chemical compound N.N.O.O.O.O.O.O.[Ni+2].OS([O-])(=O)=O.OS([O-])(=O)=O ZZPAXHDZFDUTLY-UHFFFAOYSA-L 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001541 aziridines Chemical class 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 1
- 229940112016 barium acetate Drugs 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- WAKZZMMCDILMEF-UHFFFAOYSA-H barium(2+);diphosphate Chemical compound [Ba+2].[Ba+2].[Ba+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O WAKZZMMCDILMEF-UHFFFAOYSA-H 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000001045 blue dye Substances 0.000 description 1
- 239000001055 blue pigment Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 description 1
- 239000001639 calcium acetate Substances 0.000 description 1
- 229960005147 calcium acetate Drugs 0.000 description 1
- 235000011092 calcium acetate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229960002713 calcium chloride Drugs 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- 239000004281 calcium formate Substances 0.000 description 1
- 229940044172 calcium formate Drugs 0.000 description 1
- 235000019255 calcium formate Nutrition 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 229940095672 calcium sulfate Drugs 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 150000001767 cationic compounds Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920006319 cationized starch Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- OIDPCXKPHYRNKH-UHFFFAOYSA-J chrome alum Chemical compound [K]OS(=O)(=O)O[Cr]1OS(=O)(=O)O1 OIDPCXKPHYRNKH-UHFFFAOYSA-J 0.000 description 1
- WYYQVWLEPYFFLP-UHFFFAOYSA-K chromium(3+);triacetate Chemical compound [Cr+3].CC([O-])=O.CC([O-])=O.CC([O-])=O WYYQVWLEPYFFLP-UHFFFAOYSA-K 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 229910000152 cobalt phosphate Inorganic materials 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- INDBQWVYFLTCFF-UHFFFAOYSA-L cobalt(2+);dithiocyanate Chemical compound [Co+2].[S-]C#N.[S-]C#N INDBQWVYFLTCFF-UHFFFAOYSA-L 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- SFQOCJXNHZJOJN-UHFFFAOYSA-H dialuminum;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=S.[O-]S([O-])(=O)=S.[O-]S([O-])(=O)=S SFQOCJXNHZJOJN-UHFFFAOYSA-H 0.000 description 1
- KFCWRPFNNIEZRY-UHFFFAOYSA-H dialuminum;trisulfate;nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O KFCWRPFNNIEZRY-UHFFFAOYSA-H 0.000 description 1
- YDIQKOIXOOOXQQ-UHFFFAOYSA-H dialuminum;trisulfite Chemical compound [Al+3].[Al+3].[O-]S([O-])=O.[O-]S([O-])=O.[O-]S([O-])=O YDIQKOIXOOOXQQ-UHFFFAOYSA-H 0.000 description 1
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 1
- JGHYBJVUQGTEEB-UHFFFAOYSA-M dimethylalumanylium;chloride Chemical compound C[Al](C)Cl JGHYBJVUQGTEEB-UHFFFAOYSA-M 0.000 description 1
- 150000002012 dioxanes Chemical class 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229940032296 ferric chloride Drugs 0.000 description 1
- 229940046149 ferrous bromide Drugs 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical group O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- FMXLGOWFNZLJQK-UHFFFAOYSA-N hypochlorous acid;zirconium Chemical compound [Zr].ClO FMXLGOWFNZLJQK-UHFFFAOYSA-N 0.000 description 1
- OOCSVLHOTKHEFZ-UHFFFAOYSA-N icosanamide Chemical compound CCCCCCCCCCCCCCCCCCCC(N)=O OOCSVLHOTKHEFZ-UHFFFAOYSA-N 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- GYCHYNMREWYSKH-UHFFFAOYSA-L iron(ii) bromide Chemical compound [Fe+2].[Br-].[Br-] GYCHYNMREWYSKH-UHFFFAOYSA-L 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 229940050906 magnesium chloride hexahydrate Drugs 0.000 description 1
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 229960003390 magnesium sulfate Drugs 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- 239000011565 manganese chloride Substances 0.000 description 1
- 235000002867 manganese chloride Nutrition 0.000 description 1
- 229940099607 manganese chloride Drugs 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- SQWDGUOWCZUSAO-UHFFFAOYSA-L manganese(2+);diformate;dihydrate Chemical compound O.O.[Mn+2].[O-]C=O.[O-]C=O SQWDGUOWCZUSAO-UHFFFAOYSA-L 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000005055 methyl trichlorosilane Substances 0.000 description 1
- YSTQWZZQKCCBAY-UHFFFAOYSA-L methylaluminum(2+);dichloride Chemical compound C[Al](Cl)Cl YSTQWZZQKCCBAY-UHFFFAOYSA-L 0.000 description 1
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- ZAKLKBFCSHJIRI-UHFFFAOYSA-N mucochloric acid Natural products OC1OC(=O)C(Cl)=C1Cl ZAKLKBFCSHJIRI-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229940078487 nickel acetate tetrahydrate Drugs 0.000 description 1
- LAIZPRYFQUWUBN-UHFFFAOYSA-L nickel chloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Ni+2] LAIZPRYFQUWUBN-UHFFFAOYSA-L 0.000 description 1
- RRIWRJBSCGCBID-UHFFFAOYSA-L nickel sulfate hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-]S([O-])(=O)=O RRIWRJBSCGCBID-UHFFFAOYSA-L 0.000 description 1
- 229940116202 nickel sulfate hexahydrate Drugs 0.000 description 1
- OINIXPNQKAZCRL-UHFFFAOYSA-L nickel(2+);diacetate;tetrahydrate Chemical compound O.O.O.O.[Ni+2].CC([O-])=O.CC([O-])=O OINIXPNQKAZCRL-UHFFFAOYSA-L 0.000 description 1
- TXRHHNYLWVQULI-UHFFFAOYSA-L nickel(2+);disulfamate;tetrahydrate Chemical compound O.O.O.O.[Ni+2].NS([O-])(=O)=O.NS([O-])(=O)=O TXRHHNYLWVQULI-UHFFFAOYSA-L 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000013054 paper strength agent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229940044652 phenolsulfonate Drugs 0.000 description 1
- BCTWNMTZAXVEJL-UHFFFAOYSA-N phosphane;tungsten;tetracontahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.P.[W].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W] BCTWNMTZAXVEJL-UHFFFAOYSA-N 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229940032330 sulfuric acid Drugs 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- IYQJAGXFXWIEJE-UHFFFAOYSA-H trimagnesium;2-hydroxypropane-1,2,3-tricarboxylate;nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O IYQJAGXFXWIEJE-UHFFFAOYSA-H 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000010947 wet-dispersion method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229940102001 zinc bromide Drugs 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229940118827 zinc phenolsulfonate Drugs 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- BOVNWDGXGNVNQD-UHFFFAOYSA-L zinc;2-hydroxybenzenesulfonate Chemical compound [Zn+2].OC1=CC=CC=C1S([O-])(=O)=O.OC1=CC=CC=C1S([O-])(=O)=O BOVNWDGXGNVNQD-UHFFFAOYSA-L 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1
- LJQSESUEJXAKBR-UHFFFAOYSA-J zirconium(4+) tetrachloride octahydrate Chemical compound O.O.O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cl-].[Zr+4] LJQSESUEJXAKBR-UHFFFAOYSA-J 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
Landscapes
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Ink Jet (AREA)
Description
本発明は、従来のインクジェット記録材料に比して、インクジェット記録材料と顔料インクとの接着性、白紙部の光沢性に優れ、光沢ムラのない塗布面を有するインクジェット記録材料に関するものである。 The present invention relates to an ink jet recording material that has excellent adhesion between an ink jet recording material and a pigment ink, glossiness of a white paper portion, and a coated surface free from uneven glossiness, as compared with conventional ink jet recording materials.
近年、デジタルカメラの普及によってデジタルフォト画像が身近になり、デジタルフォト画像の出力に適したインクジェットプリンタも急速に普及している。フォト画像の出力に適した記録材料として、ポリオレフィン樹脂被覆紙（基紙の両面をポリエチレン等のポリオレフィン樹脂でラミネートしたもの）からなる支持体上に微細な無機微粒子を主体とするインク受容層が設けられたインクジェット記録用紙が知られており、市販されているものの、市場ではインク吸収性を低下させず、光沢感を更に向上させた記録用紙が要望されている。 In recent years, digital photo images have become familiar with the spread of digital cameras, and ink jet printers suitable for outputting digital photo images have also become rapidly popular. As a recording material suitable for photo image output, an ink receiving layer mainly composed of fine inorganic particles is provided on a support made of polyolefin resin-coated paper (laminated on both sides of the base paper with polyolefin resin such as polyethylene). Ink jet recording papers are known and are commercially available, but there is a demand for recording papers that do not reduce ink absorbency and that further improve gloss.
一方、インクジェットプリンタも益々高品質化への工夫がなされており、画像の堅牢性と発色性を同時に満足させるために顔料インクによるフォト品質の印字が始まっている。また、優れた画像を得るためには、記録材料をしっかりと押圧した高精度な搬送が必要であり、キザローラ（薄板状のスターホイル）が搭載されている。しかしながら、ギザローラを搭載するプリンタを用いて継続的に顔料インクで印字を行うと、インクジェット記録材料と顔料インクとの接着性が十分ではないため、ギザローラに顔料インクが付着し、インクジェット記録材料から顔料インクが剥離し、白く抜けた部分が発生するという問題が生じた。 On the other hand, ink jet printers are being devised for higher quality, and photo quality printing using pigment ink has been started in order to satisfy image fastness and color development at the same time. Further, in order to obtain an excellent image, it is necessary to convey the recording material with high accuracy, and a kiza roller (thin plate-shaped star foil) is mounted. However, if printing is continuously performed with pigment ink using a printer equipped with a knurled roller, the adhesion between the ink jet recording material and the pigment ink is not sufficient, so the pigment ink adheres to the knurled roller, and the pigment from the ink jet recording material There was a problem that the ink was peeled off and white portions were generated.
光沢、インク吸収性及び耐傷性に優れ、かつ塗布面の均一なインクジェット記録材料を提供する技術として、支持体上に、少なくとも１層のカチオン化されたアニオン性無機微粒子を主体に含有するインク受容層と、その上層にコロイダルシリカを主体に含有する層と有し、前記コロイダルシリカ含有層が、カチオン性コロイダルシリカを含有するか、またはカチオン性化合物を含有するインクジェット記録材料が、特開２００４−５０８１１号公報（特許文献１）に開示されている。高光沢で、インクジェット記録材料と顔料インクとの擦過性を向上させる技術として、保護層としてコロイダルシリカ層を含有し、インク受容層にｐＨが７〜１３で分散して得られた非晶質シリカ微粒子を含有する塗布液を用いて塗設された顔料インク用インクジェット記録材料が、特開２００５−４１０３８号公報（特許文献２）に開示されている。滲みの発生が少なく、高い画像濃度が得られる高品位なインクジェット記録用紙を提供する技術として、無機微粒子、ポリビニルアルコール、ジルコニウム化合物またはアルミニウム化合物をインク吸収層中に不均一に分布するインクジェット記録材料が、特開２００２−１６０４４２号公報（特許文献３）に開示されている。光沢が優れ、塗布故障の少ないインクジェット記録媒体の製造方法として、支持体上に、少なくとも１層の、平均二次粒子径が５００ｎｍ以下のシリカ微粒子を含有する多孔質層を形成した後に、該多孔質層の上に平均乾燥厚み２００ｎｍ以下の無機微粒子層を設けるインクジェット記録媒体の製造方法であって、該多孔質層を形成した後に該無機微粒子層の塗布液を塗布するに際し、該多孔質層の空隙容量の９０容量％以下の塗布量で前計量タイプの塗布方式にて塗布することを特徴とするインクジェット記録媒体の製造方法が、特開２００５−１６１８３６号公報（特許文献４）に開示されている。 Ink acceptance mainly comprising at least one layer of cationized anionic inorganic fine particles on a support as a technique for providing an inkjet recording material excellent in gloss, ink absorbability and scratch resistance and having a uniform coated surface An ink jet recording material having a layer and a layer mainly containing colloidal silica as an upper layer, wherein the colloidal silica-containing layer contains cationic colloidal silica or a cationic compound is disclosed in No. 50811 (Patent Document 1). As a technique for improving the abrasion between the ink jet recording material and the pigment ink with high gloss, an amorphous silica obtained by dispersing a colloidal silica layer as a protective layer and having a pH of 7 to 13 in the ink receiving layer. Japanese Patent Application Laid-Open No. 2005-41038 (Patent Document 2) discloses an ink jet recording material for pigment ink coated using a coating liquid containing fine particles. As a technique for providing a high-quality ink jet recording paper that produces a high image density with less blurring, an ink jet recording material in which inorganic fine particles, polyvinyl alcohol, a zirconium compound, or an aluminum compound are unevenly distributed in an ink absorbing layer is used. JP, 2002-160442, A (patent documents 3). As a method for producing an inkjet recording medium having excellent gloss and few coating failures, after forming a porous layer containing silica fine particles having an average secondary particle diameter of 500 nm or less on a support, A method for producing an ink jet recording medium in which an inorganic fine particle layer having an average dry thickness of 200 nm or less is provided on a porous layer, wherein the porous layer is applied when a coating solution for the inorganic fine particle layer is applied after the porous layer is formed. JP-A-2005-161836 (Patent Document 4) discloses a method for producing an ink jet recording medium, which is applied by a pre-weighing type application method with an application amount of 90% by volume or less of the void volume. ing.
しかしながら、上記特許文献に記載された記録材料は、前述した本発明が目的とする顔料インクとの接着性、白紙部の光沢性、塗布面を十分に満足するものではなかった。
本発明の目的は、インクジェット記録材料と顔料インクとの接着性、白紙部の光沢性に優れ、光沢ムラのない塗布面を有するインクジェット記録材料を提供することにある。 An object of the present invention is to provide an ink jet recording material that has excellent adhesion between the ink jet recording material and the pigment ink, glossiness of the white paper portion, and has a coated surface free from gloss unevenness.
本発明の上記目的は、以下の発明によって達成された。
１）基紙の両面をポリオレフィン樹脂層で被覆した樹脂被覆支持体上に、下層として平均二次粒子径が５００ｎｍ以下の無機微粒子と樹脂バインダーを主体に含有するインク受容層、上層として単分散性のコロイダルシリカと水溶性多価金属化合物を主体に含有する光沢付与層を設けたインクジェット記録材料において、光沢付与層に含有されるコロイダルシリカの固形分塗布量が０．０２〜０．５ｇ／ｍ２であり、光沢付与層におけるコロイダルシリカ（Ｃ）と水溶性多価金属化合物（Ｍ）の固形分混合比（Ｃ／Ｍ）が１／８〜１／１であり、光沢付与層においてコロイダルシリカに対してバインダーを１０質量％以上含有しないことを特徴とする顔料インク用インクジェット記録材料。
The above object of the present invention has been achieved by the following invention.
1) An ink receiving layer mainly containing inorganic fine particles having an average secondary particle diameter of 500 nm or less and a resin binder as a lower layer on a resin-coated support in which both surfaces of a base paper are coated with a polyolefin resin layer, and a monodispersity as an upper layer In an inkjet recording material provided with a gloss-imparting layer mainly comprising a colloidal silica and a water-soluble polyvalent metal compound, the solid content coating amount of the colloidal silica contained in the gloss-giving layer is 0.02 to 0.5 g / m. 2 der is, a water-soluble polyvalent metal compound colloidal silica (C) in the gloss imparting layer solids mixing ratio (M) (C / M) is 1 / 8-1 / 1, colloidal in gloss-imparting layer An ink jet recording material for pigment ink, which does not contain 10% by mass or more of a binder with respect to silica .
本発明により、インクジェット記録材料と顔料インクとの接着性、白紙部の光沢性に優れ、光沢ムラのないインクジェット記録材料が得られる。 According to the present invention, an ink jet recording material having excellent adhesion between the ink jet recording material and the pigment ink, glossiness of the white paper portion, and no gloss unevenness can be obtained.
以下に本発明を詳細に説明する。本発明の光沢付与層においてコロイダルシリカと水溶性多価金属化合物を主体に含有する。ここで光沢付与層においてコロイダルシリカと水溶性多価金属化合物を主体に含有とは、光沢付与層の固形分塗布量に対して、コロイダルシリカと水溶性多価金属化合物を９７質量％以上含有することであり、より好ましくは９９質量％以上含有することである。 The present invention is described in detail below. The gloss-imparting layer of the present invention mainly contains colloidal silica and a water-soluble polyvalent metal compound. The term “mainly containing colloidal silica and a water-soluble polyvalent metal compound in the gloss imparting layer” means that 97% by mass or more of the colloidal silica and the water-soluble polyvalent metal compound is contained relative to the solid coating amount of the gloss imparting layer. More preferably 99% by mass or more.
本発明の光沢付与層に含有されるコロイダルシリカの固形分塗布量は、０．０２〜０．５ｇ／ｍ2である。優れた光沢性、顔料インクとの接着性、インク吸収性を得るためには０．０５〜０．３ｇ／ｍ2の範囲がより好ましい。光沢付与層に含有される水溶性多価金属化合物の固形分塗布量は、０．０２〜０．４５ｇ／ｍ2の範囲が好ましく、０．０３〜０．２５ｇ／ｍ2の範囲がより好ましい。上記範囲内において、コロイダルシリカ（Ｃ）と水溶性多価金属化合物（Ｍ）の固形分混合比（Ｃ／Ｍ）は、１／８〜１／１が好ましく、１／６〜１／２がより好ましい。 The solid content coating amount of colloidal silica contained in the gloss-imparting layer of the present invention is 0.02 to 0.5 g / m 2 . In order to obtain excellent gloss, adhesion to pigment ink, and ink absorbency, the range of 0.05 to 0.3 g / m 2 is more preferable. The solid coating amount of the water-soluble polyvalent metal compound contained in the gloss imparting layer is preferably in the range of 0.02~0.45g / m 2, and more preferably in a range of from 0.03~0.25g / m 2 . Within the above range, the solid content mixing ratio (C / M) of the colloidal silica (C) and the water-soluble polyvalent metal compound (M) is preferably 1/8 to 1/1, and preferably 1/6 to 1/2. More preferred.
本発明の光沢付与層に用いられるコロイダルシリカは単分散性である。本発明の単分散性とは、変動係数が０．１７以下であり、より好ましくは０．１２以下である。具体的にはアルコキシシランを原料としてゾルゲル法で合成したコロイダルシリカで、平均一次粒子径が１０〜５０ｎｍであり、二次粒子径は１５〜９０ｎｍが好ましい。より好ましくは一次粒子径が２０〜４５ｎｍであり、二次粒子径４０〜８０ｎｍである。上記範囲内では顔料インクとの接着性、白部物の光沢性、インク受容層との接着性が優れる。このようなコロイダルシリカは扶桑化学工業株式会社より、クォートロンＰＬ−１、ＰＬ−２、ＰＬ−３などの商品名で市販されている。コロイダルシリカの平均一次粒子径は得られた記録材料のインク受容層を電子顕微鏡で観察することにより、観察される分散された凝集粒子の粒子径の平均値を求めたものである。また、ここでいう変動係数とはコロイダルシリカ粒子の粒子径の標準偏差を平均粒子径で割ったものであり、コロイダルシリカ粒子の電子顕微鏡写真を撮り、その中からランダムに５００個以上のコロイダルシリカ粒子の直径を測定し、平均粒子径および標準偏差を求め、単分散性を示す変動係数を算出したものである。 The colloidal silica used for the gloss imparting layer of the present invention is monodisperse. The monodispersity of the present invention has a coefficient of variation of 0.17 or less, more preferably 0.12 or less. Specifically, it is colloidal silica synthesized by sol-gel method using alkoxysilane as a raw material, and the average primary particle diameter is preferably 10 to 50 nm, and the secondary particle diameter is preferably 15 to 90 nm. More preferably, the primary particle diameter is 20 to 45 nm, and the secondary particle diameter is 40 to 80 nm. Within the above range, the adhesiveness with the pigment ink, the glossiness of the white part, and the adhesiveness with the ink receiving layer are excellent. Such colloidal silica is commercially available from Fuso Chemical Industry Co., Ltd. under trade names such as Quartron PL-1, PL-2 and PL-3. The average primary particle diameter of the colloidal silica is obtained by observing the ink receiving layer of the obtained recording material with an electron microscope, thereby obtaining an average value of the particle diameters of the dispersed aggregated particles to be observed. The coefficient of variation referred to here is obtained by dividing the standard deviation of the particle diameter of the colloidal silica particles by the average particle diameter. An electron micrograph of the colloidal silica particles is taken, and 500 or more colloidal silicas are randomly selected from the photographs. The particle diameter is measured, the average particle diameter and the standard deviation are determined, and the coefficient of variation indicating monodispersity is calculated.
本発明の光沢付与層には前述のように実質的に樹脂バインダーを含有しない。実質的にとは固形分塗布量において、コロイダルシリカに対してバインダー１０質量％以上含有しないことを意味する。本発明は樹脂バインダーを実質的に含有しないことにより、光沢ムラのない塗布面を得ることができる。本発明の樹脂バインダーとは、後述するインク受容層で使用するバインダーと同一のものである。 As described above, the gloss-imparting layer of the present invention contains substantially no resin binder. “Substantially” means that 10% by mass or more of the binder is not contained relative to the colloidal silica in the solid content coating amount. In the present invention, a coated surface free from uneven gloss can be obtained by substantially not containing a resin binder. The resin binder of the present invention is the same as the binder used in the ink receiving layer described later.
本発明のインク受容層に使用する樹脂バインダーとしては、透明性が高く、インクの高い浸透性が得られるという観点から親水性バインダーを選択して用いる。親水性バインダーの使用にあたっては、親水性バインダーがインクの初期の浸透時に膨潤して空隙を塞いでしまわないことが重要であり、この観点から比較的室温付近で膨潤性の低い親水性バインダーが好ましく用いられる。好ましい親水性バインダーは完全または部分ケン化のポリビニルアルコールまたはカチオン変性ポリビニルアルコールである。 As the resin binder used in the ink receiving layer of the present invention, a hydrophilic binder is selected and used from the viewpoint of high transparency and high ink permeability. In using the hydrophilic binder, it is important that the hydrophilic binder does not swell during the initial penetration of the ink and block the voids. From this viewpoint, a hydrophilic binder having a relatively low swellability around room temperature is preferable. Used. Preferred hydrophilic binders are fully or partially saponified polyvinyl alcohol or cation-modified polyvinyl alcohol.
ポリビニルアルコールの中でも、ケン化度が８０％以上の部分ケン化または完全ケン化したものが好ましい。平均重合度５００〜５０００のポリビニルアルコールが好ましい。 Among the polyvinyl alcohols, those partially saponified or completely saponified with a saponification degree of 80% or more are preferable. Polyvinyl alcohol having an average degree of polymerization of 500 to 5000 is preferred.
また、カチオン変性ポリビニルアルコールとして、例えば特開昭６１−１０４８３号に記載されているような、第１〜３級アミノ基や第４級アンモニウム基をポリビニルアルコールの主鎖あるいは側鎖中に有するポリビニルアルコールである。 Further, as cation-modified polyvinyl alcohol, for example, polyvinyl having a primary to tertiary amino group or a quaternary ammonium group in the main chain or side chain of polyvinyl alcohol as described in JP-A-61-110483. It is alcohol.
本発明の水溶性多価金属化合物としては、水溶性多価金属塩として、カルシウム、バリウム、マンガン、銅、コバルト、ニッケル、アルミニウム、鉄、亜鉛、ジルコニウム、クロム、マグネシウム、タングステン、モリブデンから選ばれる金属の水溶性塩が挙げられる。具体的には例えば、酢酸カルシウム、塩化カルシウム、蟻酸カルシウム、硫酸カルシウム、酢酸バリウム、リン酸バリウム、塩化マンガン、酢酸マンガン、蟻酸マンガン二水和物、硫酸マンガンアンモニウム六水和物、塩化第二銅、塩化アンモニウム銅（ＩＩ）二水和物、硫酸銅、塩化コバルト、チオシアン酸コバルト、硫酸コバルト、硫酸ニッケル六水和物、塩化ニッケル六水和物、酢酸ニッケル四水和物、硫酸ニッケルアンモニウム六水和物、アミド硫酸ニッケル四水和物、フェノールスルフォン酸ニッケル、硫酸アルミニウム、亜硫酸アルミニウム、チオ硫酸アルミニウム、ポリ塩化アルミニウム、塩基性ポリ水酸化アルミニウム、硫酸アルミニウム九水和物、塩化アルミニウム六水和物、臭化第一鉄、塩化第一鉄、塩化第二鉄、硫酸第一鉄、硫酸第二鉄、臭化亜鉛、塩化亜鉛、硝酸亜鉛六水和物、硫酸亜鉛、フェノールスルフォン酸亜鉛、酢酸ジルコニウム、塩化ジルコニウム、塩化酸化ジルコニウム八水和物、ヒドロキシ塩化ジルコニウム、酢酸クロム、硫酸マグネシウム、塩化マグネシウム六水和物、クエン酸マグネシウム九水和物、リンタングステン酸ナトリウム、クエン酸ナトリウムタングステン、１２タングストリン酸ｎ水和物等が挙げられる。これらの中にはｐＨが不適当に低いものもあり、その場合は適宜ｐＨを調節して用いることも可能である。本発明において水溶性とは、常温常圧下で水に１質量％以上溶解することを目安とする。本発明では、ジルコニウムおよびアルミニウムから成る水溶性金属塩が好ましい。ジルコニウムから成る水溶性金属塩としては、例えば、第一希元素化学工業（株）からＺＡ−３０が市販されいる。アルミニウムから成る水溶性金属としては、例えば、多木化学（株）よりポリ塩化アルミニウム（ＰＡＣ）の名で水処理剤として、浅田化学（株）よりポリ水酸化アルミニウム（Ｐａｈｏ）の名で、また、（株）理研グリーンよりピュラケムＷＴの名で、また他のメーカーからも同様の目的を持って上梓されており、各種グレードの物が容易に入手できる。 The water-soluble polyvalent metal compound of the present invention is selected from calcium, barium, manganese, copper, cobalt, nickel, aluminum, iron, zinc, zirconium, chromium, magnesium, tungsten, molybdenum as the water-soluble polyvalent metal salt. Water-soluble salts of metals are mentioned. Specifically, for example, calcium acetate, calcium chloride, calcium formate, calcium sulfate, barium acetate, barium phosphate, manganese chloride, manganese acetate, manganese formate dihydrate, manganese ammonium sulfate hexahydrate, cupric chloride , Ammonium copper (II) chloride dihydrate, copper sulfate, cobalt chloride, cobalt thiocyanate, cobalt sulfate, nickel sulfate hexahydrate, nickel chloride hexahydrate, nickel acetate tetrahydrate, nickel ammonium sulfate hexa Hydrate, nickel amidosulfate tetrahydrate, nickel phenolsulfonate, aluminum sulfate, aluminum sulfite, aluminum thiosulfate, polyaluminum chloride, basic polyaluminum hydroxide, aluminum sulfate nonahydrate, aluminum chloride hexahydrate , Ferrous bromide, ferrous chloride, ferric chloride, sulfuric acid Ferrous, ferric sulfate, zinc bromide, zinc chloride, zinc nitrate hexahydrate, zinc sulfate, zinc phenolsulfonate, zirconium acetate, zirconium chloride, zirconium chloride octahydrate, zirconium hydroxychloride, chromium acetate , Magnesium sulfate, magnesium chloride hexahydrate, magnesium citrate nonahydrate, sodium phosphotungstate, sodium tungsten citrate, 12 tungstophosphoric acid n-hydrate, and the like. Some of them have an inappropriately low pH, and in that case, the pH can be appropriately adjusted and used. In the present invention, the term “water-soluble” means that 1% by mass or more dissolves in water at room temperature and normal pressure. In the present invention, a water-soluble metal salt composed of zirconium and aluminum is preferable. As a water-soluble metal salt composed of zirconium, for example, ZA-30 is commercially available from Daiichi Rare Element Chemical Co., Ltd. As a water-soluble metal made of aluminum, for example, as a water treatment agent under the name of polyaluminum chloride (PAC) from Taki Chemical Co., Ltd., as a polyaluminum hydroxide (Paho) from Asada Chemical Co., Ltd. The name of Purachem WT from Riken Green Co., Ltd. has been promoted by other manufacturers for the same purpose, and various grades can be easily obtained.
本発明のインク受容層は平均二次粒子径が５００ｎｍ以下の無機微粒子と樹脂バインダーを主体に含有する。ここで、インク受容層は無機微粒子と樹脂バインダーを主体に含有するとは、インク受容層の固形分塗布量に対して、無機微粒子と樹脂バインダーを５０質量％以上含有することであり、より好ましくは６０質量％以上含有することである。 The ink receiving layer of the present invention mainly contains inorganic fine particles having an average secondary particle diameter of 500 nm or less and a resin binder. Here, the ink receiving layer mainly contains inorganic fine particles and a resin binder means that the inorganic fine particles and the resin binder are contained in an amount of 50% by mass or more with respect to the solid content coating amount of the ink receiving layer, and more preferably. It is to contain 60% by mass or more.
本発明のインクジェット記録材料の支持体に近いインク受容層においては、平均二次粒子径が５００ｎｍ以下の無機微粒子を用いる。ここで無機微粒子とは、合成シリカ、アルミナあるいはアルミナ水和物である。 In the ink receiving layer close to the support of the ink jet recording material of the present invention, inorganic fine particles having an average secondary particle diameter of 500 nm or less are used. Here, the inorganic fine particles are synthetic silica, alumina, or alumina hydrate.
合成シリカは製造方法によって、気相法シリカあるいは湿式法シリカに大別される。本発明に用いられる合成シリカは、気相法シリカであっても湿式法シリカであっても良い。 Synthetic silica is roughly classified into gas phase method silica or wet method silica depending on the production method. The synthetic silica used in the present invention may be gas phase method silica or wet method silica.
本発明のインク受容層に含有する気相法シリカは、火炎加水分解法によって作られる。具体的には四塩化ケイ素を水素および酸素と共に燃焼して作る方法が一般的に知られているが、四塩化ケイ素の代わりにメチルトリクロロシラン等のシラン類も、単独または四塩化ケイ素と混合した状態で使用することができる。気相法シリカは、日本アエロジル（株）からアエロジル、（株）トクヤマからＱＳタイプとして市販されており、入手することができる。 The gas phase method silica contained in the ink receiving layer of the present invention is produced by a flame hydrolysis method. Specifically, a method of burning silicon tetrachloride with hydrogen and oxygen is generally known, but silanes such as methyltrichlorosilane are also used alone or mixed with silicon tetrachloride instead of silicon tetrachloride. Can be used in the state. Vapor phase method silica is commercially available as Aerosil from Nippon Aerosil Co., Ltd. and QS type from Tokuyama Co., Ltd., and can be obtained.
インク受容層に含有される気相法シリカの平均二次粒子径は５００ｎｍ以下である。より高いインク吸収性を得るためには、平均二次粒子径が３０ｎｍ〜３００ｎｍで、平均一次粒子径は３ｎｍ〜２０ｎｍであることが好ましい。 The average secondary particle diameter of vapor phase silica contained in the ink receiving layer is 500 nm or less. In order to obtain higher ink absorbability, the average secondary particle diameter is preferably 30 nm to 300 nm, and the average primary particle diameter is preferably 3 nm to 20 nm.
本発明の気相法シリカの平均一次粒子径は、一次粒子が判別できる程度まで分散された粒子の電子顕微鏡観察により一定面積内に存在する１００個の粒子各々の投影面積に等しい円の直径を粒子の一次粒子径として求めた平均粒子径のことである。平均二次粒子径は、得られた記録材料のインク受容層を電子顕微鏡で観察することにより、観察される分散された凝集粒子の粒子径の平均値を求めたものである。 The average primary particle diameter of the vapor-phase method silica of the present invention is the diameter of a circle equal to the projected area of each of 100 particles existing in a certain area by electron microscope observation of particles dispersed to such an extent that primary particles can be discriminated. It is the average particle size obtained as the primary particle size of the particles. The average secondary particle diameter is obtained by observing the ink-receiving layer of the obtained recording material with an electron microscope, thereby obtaining an average value of the particle diameters of the dispersed aggregated particles to be observed.
湿式法シリカは、さらに製造方法によって沈降法シリカ、ゲル法シリカ、ゾル法シリカに分類される。沈降法シリカは珪酸ソーダと硫酸をアルカリ条件で反応させて製造され、粒子成長したシリカ粒子が凝集・沈降し、その後濾過、水洗、乾燥、粉砕・分級の行程を経て製品化される。この方法で製造されたシリカ二次粒子は緩やかな凝集粒子となり、比較的粉砕し易い粒子が得られる。沈降法シリカとしては、例えば東ソー・シリカ（株）からニップシールとして、（株）トクヤマからトクシール、ファインシールとして市販されている。 Wet method silica is further classified into precipitation method silica, gel method silica, and sol method silica according to the production method. Precipitated silica is produced by reacting sodium silicate and sulfuric acid under alkaline conditions, and the silica particles that have grown are agglomerated and settled, and are then commercialized through the steps of filtration, washing, drying, pulverization and classification. The silica secondary particles produced by this method become loosely agglomerated particles, and particles that are relatively easy to grind are obtained. Precipitated silica is commercially available, for example, as a nip seal from Tosoh Silica Co., Ltd., as a Toku Seal from Tokuyama Co., Ltd., and as a fine seal.
ゲル法シリカは珪酸ソーダと硫酸を酸性条件下で反応させて製造する。この場合、熟成中に小さなシリカ粒子が溶解し、大きな粒子の一次粒子間に一次粒子どうしを結合するように再析出するため、明確な一次粒子は消失し、内部空隙構造を有する比較的硬い凝集粒子を形成する。例えば、水澤化学工業（株）からミズカシルとして、グレースジャパン（株）からサイロジェットとして市販されている。 Gel silica is produced by reacting sodium silicate and sulfuric acid under acidic conditions. In this case, the small silica particles dissolve during ripening and reprecipitate so as to bond the primary particles between the primary particles of the large particles, so that the distinct primary particles disappear and are relatively hard agglomerates with an internal void structure Form particles. For example, it is commercially available as Mizusukacil from Mizusawa Chemical Industry Co., Ltd. and as a silo jet from Grace Japan Co., Ltd.
本発明に用いられる沈降法シリカあるいはゲル法シリカは、通常、１μｍ以上の平均二次粒子径を有している。本発明では、平均二次粒子径が５００ｎｍ以下になるまで粉砕される。好ましくは、平均時粒径が３００ｎｍ以下になるまで粉砕する。粉砕された沈降法シリカあるいはゲル法シリカの平均二次粒子径は、得られた記録材料のインク受容層を電子顕微鏡で観察することにより、観察される分散された凝集粒子の粒子径の平均値を求めたものである。 The precipitated silica or gel silica used in the present invention usually has an average secondary particle diameter of 1 μm or more. In this invention, it grind | pulverizes until an average secondary particle diameter becomes 500 nm or less. Preferably, it grind | pulverizes until an average time particle size becomes 300 nm or less. The average secondary particle diameter of the pulverized precipitated silica or gel silica is the average value of the particle diameters of dispersed aggregated particles observed by observing the ink receiving layer of the obtained recording material with an electron microscope. Is what we asked for.
沈降法シリカあるいはゲル法シリカの粉砕工程は、分散媒にシリカ微粒子を添加し混合（予備分散）する一次分散工程と、該一次分散工程で得られた粗分散液中のシリカを粉砕する二次分散工程からなる。一次分散工程における予備分散は、通常のプロペラ撹拌、歯状ブレード型分散機、タービン型撹拌、ホモミキサー型撹拌、超音波撹拌等で行うことができる。沈降法シリカあるいはゲル法シリカの粉砕方法としては、分散媒中に分散したシリカを機械的に粉砕する湿式分散法が好ましく使用できる。湿式分散機としては、ボールミル、ビーズミル、サンドグラインダー等のメディアミル、高圧ホモジナイザー、超高圧ホモジナイザー等の圧力式分散機、超音波分散機、及び薄膜施回型分散機等を使用することができるが、本発明では特にビーズミル等のメディアミルが好ましく用いられる。 The pulverization step of the precipitation method silica or the gel method silica includes a primary dispersion step in which silica fine particles are added to a dispersion medium and mixed (preliminary dispersion), and a secondary in which the silica in the coarse dispersion obtained in the primary dispersion step is crushed. It consists of a dispersion process. The preliminary dispersion in the primary dispersion step can be performed by ordinary propeller stirring, a toothed blade type dispersing machine, turbine type stirring, homomixer type stirring, ultrasonic stirring, or the like. As a method for pulverizing the precipitated silica or the gel silica, a wet dispersion method in which silica dispersed in a dispersion medium is mechanically pulverized can be preferably used. As the wet disperser, a media mill such as a ball mill, a bead mill, and a sand grinder, a pressure disperser such as a high pressure homogenizer, and an ultra high pressure homogenizer, an ultrasonic disperser, and a thin film winding disperser can be used. In the present invention, a media mill such as a bead mill is particularly preferably used.
本発明のインク受容層に含有されるアルミナの平均二次粒子径は５００ｎｍ以下である。より高いインク吸収性を得るためには、平均二次粒子径が５０ｎｍ〜３００ｎｍで、平均一次粒子径が１０ｎｍ〜１００ｎｍであることが好ましい。アルミナとしては酸化アルミニウムのγ型結晶であるγ−アルミナが好ましく、中でもγグループ結晶が好ましい。アルミナの平均二次粒子径は、得られた記録材料のインク受容層を電子顕微鏡で観察することにより、観察される分散された凝集粒子の粒子径の平均値を求めたものである。 The average secondary particle diameter of alumina contained in the ink receiving layer of the present invention is 500 nm or less. In order to obtain higher ink absorbability, it is preferable that the average secondary particle diameter is 50 nm to 300 nm and the average primary particle diameter is 10 nm to 100 nm. As alumina, γ-alumina, which is a γ-type crystal of aluminum oxide, is preferable, and γ group crystal is particularly preferable. The average secondary particle diameter of alumina is obtained by observing the ink receiving layer of the obtained recording material with an electron microscope, thereby obtaining the average value of the particle diameters of the dispersed aggregated particles to be observed.
本発明のインク受容層に含有されるアルミナ水和物は、Ａｌ2Ｏ3・ｎＨ2Ｏ（ｎ＝１〜３）の構成式で表せる。ｎが１の場合がベーマイト構造のアルミナ水和物を表し、ｎが１より大きく３未満の場合が擬ベーマイト構造のアルミナ水和物を表す。アルミニウムイソプロポキシド等のアルミニウムアルコキシドの加水分解、アルミニウム塩のアルカリによる中和、アルミン酸塩の加水分解等の公知の製造方法により得られる。 The alumina hydrate contained in the ink receiving layer of the present invention can be expressed by a constitutional formula of Al 2 O 3 .nH 2 O (n = 1 to 3). The case where n is 1 represents an alumina hydrate having a boehmite structure, and the case where n is greater than 1 and less than 3 represents an alumina hydrate having a pseudo boehmite structure. It can be obtained by a known production method such as hydrolysis of an aluminum alkoxide such as aluminum isopropoxide, neutralization of an aluminum salt with an alkali, or hydrolysis of an aluminate.
本発明に使用するアルミナ水和物の平均二次粒子径は５００ｎｍ以下である。より高いインク吸収性を得るためには、平均一次粒径が５ｎｍ〜５０ｎｍであり、且つ平均アスペクト比（平均厚さに対する平均粒子径の比）が２以上の平板状の粒子を用いるのが好ましい。アルミナ水和物の平均二次粒子径は、得られた記録材料のインク受容層を電子顕微鏡で観察することにより、観察される分散された凝集粒子の粒子径の平均値を求めたものである。 The average secondary particle diameter of the alumina hydrate used in the present invention is 500 nm or less. In order to obtain higher ink absorbability, it is preferable to use tabular grains having an average primary particle diameter of 5 nm to 50 nm and an average aspect ratio (ratio of average particle diameter to average thickness) of 2 or more. . The average secondary particle diameter of the alumina hydrate is obtained by observing the ink-receiving layer of the obtained recording material with an electron microscope, and obtaining the average value of the particle diameters of the dispersed aggregated particles to be observed. .
本発明において、インク受容層および光沢付与層を設ける際の塗布方法は特に限定されないが、スライドビードコーター、カーテンコーター、エクストルージョンコーター、エアーナイフコーター、ロッドコーター、ブレードコーター、グラビアコーター等の塗布装置を単独および組みあわせて使用できる。インク受容層と光沢付与層を同時塗布する場合は、スライドビードコーターの塗布装置が使用できる。インク受容層を塗布後、光沢付与層を逐次塗布する場合は、上記塗布装置を適宜組みあわせて使用することができる。本発明で同時塗布とは各層をほぼ同時に塗布することである。逐次塗布するとは、減率乾燥工程以降においてインク受容層の空隙が形成された後、光沢付与層の塗布液を塗布することである。 In the present invention, the coating method for forming the ink receiving layer and the gloss imparting layer is not particularly limited, but a coating device such as a slide bead coater, curtain coater, extrusion coater, air knife coater, rod coater, blade coater, gravure coater, etc. Can be used alone or in combination. When the ink receiving layer and the gloss imparting layer are applied simultaneously, a slide bead coater coating device can be used. When the gloss-imparting layer is sequentially applied after the ink-receiving layer is applied, the above-described application apparatuses can be used in appropriate combination. In the present invention, simultaneous application means that the respective layers are applied almost simultaneously. Sequential application is to apply the coating liquid for the gloss-imparting layer after the gap of the ink-receiving layer is formed after the decreasing rate drying step.
本発明のインク受容層において、樹脂バインダーと無機微粒子の混合比は好ましい範囲があり、無機微粒子の種類によって好ましい範囲が適宜選択される。合成シリカに対しては、１０〜３０質量％の樹脂バインダーを用いるのが好ましく、特に１２〜２５質量％用いるのが好ましい。アルミナまたはアルミナ水和物に対しては、５〜２５質量％の樹脂バインダーを用いるのが好ましく、特に７〜１５質量％用いるのが好ましい。 In the ink receiving layer of the present invention, the mixing ratio of the resin binder and the inorganic fine particles has a preferable range, and a preferable range is appropriately selected depending on the kind of the inorganic fine particles. For synthetic silica, it is preferable to use 10 to 30% by mass of a resin binder, and it is particularly preferable to use 12 to 25% by mass. For alumina or alumina hydrate, 5 to 25% by mass of a resin binder is preferably used, and 7 to 15% by mass is particularly preferable.
本発明のインク受容層には、皮膜の脆弱性を改良するために各種油滴を含有することができる。そのような油滴としては室温における水に対する溶解性が０．０１質量％以下の疎水性高沸点有機溶媒（例えば、流動パラフィン、ジオクチルフタレート、トリクレジルホスフェート、シリコンオイル等）や重合体粒子（例えば、スチレン、ブチルアクリレート、ジビニルベンゼン、ブチルメタクリレート、ヒドロキシエチルメタクリレート等の重合性モノマーを一種以上重合させた粒子）を含有させることができる。そのような油滴は好ましくは樹脂バインダーに対して１０〜５０質量％の範囲で用いることができる。 The ink receiving layer of the present invention can contain various oil droplets in order to improve the brittleness of the film. Such oil droplets include hydrophobic high-boiling organic solvents (for example, liquid paraffin, dioctyl phthalate, tricresyl phosphate, silicone oil, etc.) having a solubility in water at room temperature of 0.01% by mass or less, and polymer particles ( For example, particles obtained by polymerizing one or more polymerizable monomers such as styrene, butyl acrylate, divinylbenzene, butyl methacrylate, and hydroxyethyl methacrylate) can be contained. Such oil droplets can be preferably used in the range of 10 to 50% by mass with respect to the resin binder.
本発明のインク受容層は、単層であっても２層以上あっても良い。インク受容層の固形分塗布量は、塗布する無機微粒子によって異なる。気相法シリカ単層の場合の固形分塗布量は、５ｇ／ｍ2〜３０ｇ／ｍ2が好ましく、１０ｇ／ｍ2〜２５ｇ／ｍ2の範囲がより好ましい。アルミナおよびアルミナ水和物単層の場合の固形分塗布量は、１０ｇ／ｍ2〜４０ｇ／ｍ2が好ましく、１５ｇ／ｍ2〜３５ｇ／ｍ2がより好ましい。気相法シリカと、アルミナおよびアルミナ水和物を重層する際の総固形分量は、１０ｇ／ｍ2〜４０ｇ／ｍ2が好ましく、１５ｇ／ｍ2〜３５ｇ／ｍ2がより好ましい。 The ink receiving layer of the present invention may be a single layer or two or more layers. The solid content coating amount of the ink receiving layer varies depending on the inorganic fine particles to be applied. The solid coating amount in the case of fumed silica single layer is preferably 5g / m 2 ~30g / m 2 , the range of 10g / m 2 ~25g / m 2 is more preferable. The solid coating amount in the case of alumina and alumina hydrate single layer is preferably 10g / m 2 ~40g / m 2 , more preferably 15g / m 2 ~35g / m 2 . 10 g / m 2 to 40 g / m 2 is preferable, and 15 g / m 2 to 35 g / m 2 is more preferable as the total solid content when vapor-phase method silica is layered with alumina and alumina hydrate.
本発明のインク受容層は、樹脂バインダーと共に硬膜剤を含有するのが好ましい。硬膜剤の具体的な例としては、ホルムアルデヒド、グルタルアルデヒドの如きアルデヒド系化合物、ジアセチル、クロルペンタンジオンの如きケトン化合物、ビス（２−クロロエチル尿素）−２−ヒドロキシ−４，６−ジクロロ−１，３，５トリアジン、米国特許第３，２８８，７７５号記載の如き反応性のハロゲンを有する化合物、ジビニルスルホン、米国特許第３，６３５，７１８号記載の如き反応性のオレフィンを持つ化合物、米国特許第２，７３２，３１６号記載の如きＮ−メチロール化合物、米国特許第３，１０３，４３７号記載の如きイソシアナート類、米国特許第３，０１７，２８０号、同２，９８３，６１１号記載の如きアジリジン化合物類、米国特許第３，１００，７０４号記載の如きカルボジイミド系化合物類、米国特許第３，０９１，５３７号記載の如きエポキシ化合物、ムコクロル酸の如きハロゲンカルボキシアルデヒド類、ジヒドロキシジオキサンの如きジオキサン誘導体、クロム明ばん、硫酸ジルコニウム、ほう酸及びほう酸塩の如き無機硬膜剤等があり、これらを１種または２種以上組み合わせて用いることができる。これらの中でも、特にほう酸あるいはほう酸塩が好ましい。硬膜剤の添加量はインク受容層を構成する親水性バインダーに対して、０．１〜４０質量％が好ましく、より好ましくは０．５〜３０質量％である。 The ink receiving layer of the present invention preferably contains a hardener together with a resin binder. Specific examples of the hardener include aldehyde compounds such as formaldehyde and glutaraldehyde, ketone compounds such as diacetyl and chloropentanedione, bis (2-chloroethylurea) -2-hydroxy-4,6-dichloro-1 , 3,5 triazine, a compound having a reactive halogen as described in US Pat. No. 3,288,775, divinyl sulfone, a compound having a reactive olefin as described in US Pat. No. 3,635,718, N-methylol compounds as described in Japanese Patent No. 2,732,316, isocyanates as described in US Pat. No. 3,103,437, US Pat. Nos. 3,017,280 and 2,983,611 described Aziridines such as carbodiimide compounds as described in US Pat. No. 3,100,704, There are epoxy compounds as described in No. 3,091,537, halogen carboxaldehydes such as mucochloric acid, dioxane derivatives such as dihydroxydioxane, chromium alum, zirconium sulfate, boric acid and inorganic hardeners such as borate, These can be used alone or in combination of two or more. Among these, boric acid or borate is particularly preferable. The addition amount of the hardener is preferably 0.1 to 40% by mass, more preferably 0.5 to 30% by mass with respect to the hydrophilic binder constituting the ink receiving layer.
本発明において、インク受容層および光沢付与層には、着色染料、着色顔料、紫外線吸収剤、酸化防止剤、顔料の分散剤、消泡剤、レベリング剤、防腐剤、蛍光増白剤、粘度安定剤、ｐＨ調節剤などの公知の各種添加剤を添加することもできる。 In the present invention, the ink receiving layer and the gloss-imparting layer include a coloring dye, a coloring pigment, an ultraviolet absorber, an antioxidant, a pigment dispersant, an antifoaming agent, a leveling agent, an antiseptic, a fluorescent whitening agent, and a viscosity stabilizing agent. Various known additives such as an agent and a pH adjuster can also be added.
本発明で使用される支持体は基紙の両面をポリオレフィン樹脂層で被覆したポリオレフィン樹脂被覆紙であり、その支持体の厚みは１００μｍ〜３００μｍであることが好ましい。 The support used in the present invention is a polyolefin resin-coated paper in which both surfaces of the base paper are coated with a polyolefin resin layer, and the thickness of the support is preferably 100 μm to 300 μm.
本発明の支持体を構成する基紙は特に制限はなく、一般的に用いられている紙が使用できるが、写真用支持体に用いられているような平滑な原紙が好ましい。基紙を構成するパルプとしては天然パルプ、再生パルプ、合成パルプ等を１種類もしくは２種類以上混合して用いられる。この基紙には一般的に製紙で用いられているサイズ剤、紙力増強剤、填料、帯電防止剤、蛍光増白剤、染料等の添加剤が配合される。 The base paper constituting the support of the present invention is not particularly limited, and commonly used paper can be used, but smooth base paper used for a photographic support is preferable. As the pulp constituting the base paper, natural pulp, recycled pulp, synthetic pulp or the like is used alone or in combination of two or more. This base paper is blended with additives such as sizing agent, paper strength enhancer, filler, antistatic agent, fluorescent whitening agent, and dye generally used in papermaking.
さらに表面サイズ剤、表面紙力剤、蛍光増白剤、帯電防止剤、染料、アンカー剤等が表面塗布されてもよい。 Further, a surface sizing agent, a surface paper strength agent, a fluorescent brightening agent, an antistatic agent, a dye, an anchor agent and the like may be applied on the surface.
また、基紙は抄造中にまたは抄造後にカレンダー等にて圧力を印加して圧縮するなどした表面平滑性の良いものが好ましく、その坪量は８０ｇ／ｍ2〜２５０ｇ／ｍ2が好ましい。 Further, the substrate paper preferably has good surface smoothness were such as compressed by applying pressure at the calendar or the like or after papermaking in papermaking, the basis weight 80g / m 2 ~250g / m 2 is preferred.
基紙の両面を被覆する樹脂被覆層には、例えば、低密度ポリエチレン、高密度ポリエチレン、ポリプロピレン、ポリブデン、ポリペンテンなどのオレフィンのホモポリマーまたはエチレン−プロピレン共重合体などのオレフィンの２つ以上からなる共重合体およびそれらの混合物が使用され、各種の密度、溶融粘度指数（メルトインデックス）のものを単独にあるいはそれらを混合して使用できる。 The resin coating layer that covers both sides of the base paper is composed of, for example, two or more olefins such as low density polyethylene, high density polyethylene, polypropylene, polybutene, polypentene, or other olefin homopolymers or ethylene-propylene copolymers. Copolymers and mixtures thereof are used, and those having various densities and melt viscosity indexes (melt index) can be used alone or in combination.
また、樹脂被覆層の樹脂中には、酸化チタン、酸化亜鉛、タルク、炭酸カルシウムなどの白色顔料、ステアリン酸アミド、アラキジン酸アミドなどの脂肪酸アミド、ステアリン酸亜鉛、ステアリン酸カルシウム、ステアリン酸アルミニウム、ステアリン酸マグネシウムなどの脂肪酸金属塩、イルガノックス１０１０、イルガノックス１０７６などの酸化防止剤、コバルトブルー、群青、セシリアンブルー、フタロシアニンブルーなどのブルーの顔料や染料、コバルトバイオレット、ファストバイオレット、マンガン紫などのマゼンタの顔料や染料、蛍光増白剤、紫外線吸収剤などの各種の添加剤を適宜組み合わせて加えるのが好ましい。 In addition, in the resin of the resin coating layer, white pigments such as titanium oxide, zinc oxide, talc and calcium carbonate, fatty acid amides such as stearic acid amide and arachidic acid amide, zinc stearate, calcium stearate, aluminum stearate, stearin Fatty acid metal salts such as magnesium acid, antioxidants such as Irganox 1010 and Irganox 1076, blue pigments and dyes such as cobalt blue, ultramarine blue, cecilian blue and phthalocyanine blue, magenta such as cobalt violet, fast violet and manganese purple It is preferable to add various additives such as pigments and dyes, fluorescent brighteners and ultraviolet absorbers in appropriate combinations.
樹脂被覆紙支持体の製造方法としては、走行する基紙上にポリオレフィン樹脂を加熱溶融した状態で流延する、いわゆる押出コーティング法により製造され、基紙の両面が樹脂により被覆される。また、樹脂を基紙に被覆する前に基紙にコロナ放電処理、火炎処理などの活性化処理を施すことが好ましい。 As a method for producing a resin-coated paper support, it is produced by a so-called extrusion coating method in which a polyolefin resin is cast on a traveling base paper in a heated and melted state, and both surfaces of the base paper are coated with the resin. Further, it is preferable to subject the base paper to activation treatment such as corona discharge treatment or flame treatment before coating the resin on the base paper.
本発明の支持体は基紙の両面に樹脂被覆層を押出機で加熱溶融し、基紙とクーリングロールとの間にフィルム状に押出し、圧着、冷却して製造される。 The support of the present invention is produced by heat-melting a resin coating layer on both sides of a base paper with an extruder, extruding it into a film between the base paper and a cooling roll, pressing and cooling.
本発明に用いられる支持体には塗布性や界面の接着強度向上のために下引き層を設けても良い。この下引き層は、インク受容層が塗布される前に支持体の樹脂被覆層表面に塗布乾燥されたものである。この下引き層は、皮膜形成可能な水溶性ポリマーやポリマーラテックス等を主体に含有する。好ましくはゼラチン、ポリビニルアルコール、ポリビニルピロリドン、水溶性セルロース等の水溶性ポリマーであり、特に好ましくはゼラチンである。これらの水溶性ポリマーまたはポリマーラテックスの付着量は、０．１ｇ／ｍ2〜１ｇ／ｍ2が好ましい。更に下引き層には他に界面活性剤や硬膜剤を含有することが好ましい。また、下引き層を塗布する前にコロナ放電処理をすることが好ましい。 The support used in the present invention may be provided with an undercoat layer for improving coating properties and interfacial adhesive strength. This undercoat layer is applied and dried on the surface of the resin coating layer of the support before the ink receiving layer is applied. The undercoat layer mainly contains a water-soluble polymer or polymer latex that can form a film. Preferred are water-soluble polymers such as gelatin, polyvinyl alcohol, polyvinyl pyrrolidone and water-soluble cellulose, and particularly preferred is gelatin. Adhesion amount of the water-soluble polymer or polymer latex, 0.1g / m 2 ~1g / m 2 is preferred. Furthermore, it is preferable that the undercoat layer contains a surfactant or a hardener. Moreover, it is preferable to perform a corona discharge treatment before applying the undercoat layer.
以下、実施例により本発明を詳しく説明するが、本発明の内容は実施例に限られるものではない。尚、部とは、固形分あるいは実質成分の質量部を表す。 EXAMPLES Hereinafter, although an Example demonstrates this invention in detail, the content of this invention is not restricted to an Example. In addition, a part represents the mass part of solid content or a substantial component.
＜支持体の作製＞
広葉樹晒クラフトパルプ（ＬＢＫＰ）と広葉樹晒サルファイトパルプ（ＬＢＳＰ）の１：１混合物をカナディアン スタンダード フリーネスで３００ｍｌになるまで叩解し、パルプスラリーを調製した。これにサイズ剤とアルキルケテンダイマーを対パルプ０．５質量％、強度剤としてポリアクリルアミドを対パルプ１質量％、カチオン化澱粉を対パルプ２質量％、ポリアミドエピクロロヒドリン樹脂を対パルプ０．５質量％添加し、水で希釈して１％スラリーとした。このスラリーを長網抄紙機で坪量１７０ｇ／ｍ2になるように抄造し、乾燥調湿して支持体の基紙とした。抄造した基紙の印字面側に密度０．９１８ｇ／ｃｍ3の低密度ポリエチレン１００質量％の樹脂に対して、１０質量％のアナターゼ型チタンを均一に分散したポリエチレン樹脂組成物を３２０℃で溶融し、２００ｍ／分で厚さ３０μｍになるように押出し、微粗面加工されたクーリングロールで冷却しながら、インク受容層塗布面側の樹脂被覆層を設けた。反対面側には密度０．９６２ｇ／ｃｍ3の高密度ポリエチレン樹脂７０質量部と密度０．９１８ｇ／ｃｍ3の低密度ポリエチレン樹脂３０質量部のブレンド樹脂組成物を同様に３２０℃で溶融し、厚さ２５μｍになるようにクーリングロールで冷却しながら樹脂被覆層を設けた。
<Production of support>
A 1: 1 mixture of hardwood bleached kraft pulp (LBKP) and hardwood bleached sulfite pulp (LBSP) was beaten to 300 ml with Canadian Standard Freeness to prepare a pulp slurry. The sizing agent and alkyl ketene dimer were 0.5% by mass of pulp, 1% by mass of polyacrylamide as a strength agent, 2% by mass of cationized starch, 2% by mass of pulp, and polyamide epichlorohydrin resin by 0.1% of pulp. 5% by mass was added and diluted with water to give a 1% slurry. This slurry was made with a long paper machine to a basis weight of 170 g / m 2 , dried and conditioned to obtain a base paper for the support. A polyethylene resin composition in which 10% by mass of anatase-type titanium is uniformly dispersed with respect to 100% by mass of low density polyethylene having a density of 0.918 g / cm 3 is melted at 320 ° C. Then, the resin coating layer on the ink receiving layer coating surface side was provided while being extruded with a cooling roll having a finely roughened surface and extruded at 200 m / min to a thickness of 30 μm. On the opposite side to melt at similarly 320 ° C. The blend resin composition of the low density polyethylene resin 30 parts by weight of a density 0.962 g / cm high-density polyethylene resin 70 parts by weight of 3 and a density 0.918 g / cm 3, A resin coating layer was provided while cooling with a cooling roll to a thickness of 25 μm.
上記支持体のインク受容層塗布面側に高周波コロナ放電処理を施した後、下記組成の下引き層をゼラチンが５０ｍｇ／ｍ2となるように塗布乾燥した。尚、以下、部とは固形分あるいは実質成分の質量部を表す。 After the high-frequency corona discharge treatment was performed on the surface of the support where the ink-receiving layer was applied, the undercoat layer having the following composition was applied and dried so that the gelatin content was 50 mg / m 2 . Hereinafter, “parts” represents solid parts or mass parts of substantial components.
＜下引き層＞
石灰処理ゼラチン １００部
スルフォコハク酸−２−エチルヘキシルエステル塩 ２部
クロム明ばん １０部
<Underlayer>
Lime-processed gelatin 100 parts Sulfosuccinic acid-2-ethylhexyl ester salt 2 parts Chrome alum 10 parts
上記支持体に下記組成のインク受容層Ａを固形分量が２５ｇ／ｍ2になるようにスライドビード塗布装置で塗布し、５℃３０秒間冷却後、４０℃１０％ＲＨで乾燥終了点まで乾燥し、下記組成の光沢付与層１を固形分量が０．５ｇ／ｍ2（コロイダルシリカ固形分量 ０．１ｇ／ｍ2）になるようにグラビア塗布装置で逐次塗布し、５０℃で乾燥した。なお、電子顕微鏡観察による気相法シリカの平均二次粒子径は８０ｎｍであった。 An ink receiving layer A having the following composition is coated on the support with a slide bead coating device so that the solid content is 25 g / m 2 , cooled at 5 ° C. for 30 seconds, and then dried at 40 ° C. and 10% RH to the end of drying. The gloss-imparting layer 1 having the following composition was sequentially applied with a gravure coating apparatus so that the solid content was 0.5 g / m 2 (colloidal silica solid content 0.1 g / m 2 ), and dried at 50 ° C. In addition, the average secondary particle diameter of the vapor phase method silica by electron microscope observation was 80 nm.
＜気相法シリカ分散液＞
水にジメチルアルミニウムクロライドポリマー（分子量：９０００）３部と気相法シリカ（平均一次粒径７ｎｍ、比表面積３００ｍ2／ｇ）１００部を添加し予備分散液を作製した後、高圧ホモジナイザーで処理して、固形分濃度２０質量％の気相法シリカ分散液を作製した。
<Gas phase silica dispersion>
A preliminary dispersion is prepared by adding 3 parts of dimethylaluminum chloride polymer (molecular weight: 9000) and 100 parts of vapor phase silica (average primary particle size 7 nm, specific surface area 300 m 2 / g) to water, and then treating with a high-pressure homogenizer. A gas phase method silica dispersion having a solid content concentration of 20% by mass was prepared.
＜インク受容層Ａ＞
気相法シリカ分散液 １０３部
ホウ酸 ５部
ポリビニルアルコール ２３部
（ケン化度８８％、平均重合度３５００）
固形分濃度が１２質量％になるように水で調整した。
<Ink receiving layer A>
Gas phase method silica dispersion 103 parts boric acid 5 parts polyvinyl alcohol 23 parts (saponification degree 88%, average polymerization degree 3500)
It adjusted with water so that solid content concentration might be 12 mass%.
＜光沢付与層１＞
クォートロンＰＬ−３Ｌ １００部
（扶桑化学工業株式会社製単分散コロイダルシリカ、平均一次粒子径４０ｎｍ、変動係数０．１１）
ＺＡ−３０ ４００部
（第一希元素化学工業（株）社製酢酸ジルコニル）
固形分濃度が２．５質量％になるように水で調整した。
<Gloss layer 1>
Quartron PL-3L 100 parts (monodispersed colloidal silica manufactured by Fuso Chemical Industry Co., Ltd., average primary particle size 40 nm, coefficient of variation 0.11)
400 parts of ZA-30 (Zirconyl acetate manufactured by Daiichi Elemental Chemical Co., Ltd.)
It adjusted with water so that solid content concentration might be 2.5 mass%.
実施例１のインク受容層Ａをインク受容層Ｂに変更する以外は、実施例１と同様にして実施例２のインクジェット記録材料を作製した（コロイダルシリカ固形分量 ０．１ｇ／ｍ2）。なお、電子顕微鏡観察による湿式法シリカの平均二次粒子径は２００ｎｍであった。 An ink jet recording material of Example 2 was produced in the same manner as in Example 1 except that the ink receiving layer A of Example 1 was changed to the ink receiving layer B (colloidal silica solid content 0.1 g / m 2 ). In addition, the average secondary particle diameter of the wet process silica by electron microscope observation was 200 nm.
＜湿式法シリカ分散液＞
水にジメチルジアリルアンモニウムクロライドホモポリマー（分子量９，０００、４部）と沈降法シリカ（ニップシールＶＮ３、平均二次粒径２３μｍ、１００部）を添加し、のこぎり歯状ブレード型分散機（ブレード周速３０ｍ／秒）を使用して予備分散液を作成した。次に得られた予備分散物をビーズミルに、直径０．３ｍｍのジルコニアビーズ、充填率８０容量％、円盤周速１０ｍ／秒の条件で１回通過させて、固形分濃度３０質量％、平均二次粒径２００ｎｍの湿式法シリカ分散液を得た。
<Wet process silica dispersion>
Dimethyldiallylammonium chloride homopolymer (molecular weight 9,000, 4 parts) and precipitated silica (nip seal VN3, average secondary particle size 23 μm, 100 parts) are added to water, and a sawtooth blade type disperser (blade peripheral speed) 30 m / sec) was used to make a preliminary dispersion. Next, the obtained preliminary dispersion was passed once through a bead mill under the conditions of a zirconia bead having a diameter of 0.3 mm, a filling rate of 80 vol%, and a disk peripheral speed of 10 m / sec. A wet method silica dispersion having a next particle size of 200 nm was obtained.
＜インク受容層Ｂ＞
湿式法シリカ分散液 １０４部
ほう酸 ４部
ポリビニルアルコール １７部
（ケン化度８８％、平均重合度３５００）
固形分濃度が１２質量％になるように水で調整した。
<Ink receiving layer B>
Wet process silica dispersion 104 parts boric acid 4 parts polyvinyl alcohol 17 parts (saponification degree 88%, average polymerization degree 3500)
It adjusted with water so that solid content concentration might be 12 mass%.
実施例１のインク受容層Ａをインク受容層Ｃに変更する以外は、実施例１と同様にして実施例３のインクジェット記録材料を作製した（コロイダルシリカ固形分量 ０．１ｇ／ｍ2）。なお、電子顕微鏡観察によるアルミナ水和物の平均二次粒子径は１６０ｎｍであった。 An ink jet recording material of Example 3 was produced in the same manner as Example 1 except that the ink receiving layer A of Example 1 was changed to the ink receiving layer C (colloidal silica solid content 0.1 g / m 2 ). In addition, the average secondary particle diameter of the alumina hydrate by electron microscope observation was 160 nm.
＜インク受容層Ｃ＞
アルミナ水和物 １００部
（ＳＡＳＯＬ社製のＤｉｓｐｅｒａｌ．ＨＰ−１４、平均二次粒径１６０ｎｍ）
硝酸 １．４部
ホウ酸 ０．２部
ポリビニルアルコール ９．５部
（ケン化度８８％、平均重合度３５００）
固形分濃度が１５質量％になるように水で調整した。
<Ink receiving layer C>
100 parts of alumina hydrate (Dispersal. HP-14 manufactured by SASOL, average secondary particle size of 160 nm)
Nitric acid 1.4 parts Boric acid 0.2 parts Polyvinyl alcohol 9.5 parts (degree of saponification 88%, average degree of polymerization 3500)
It adjusted with water so that solid content concentration might be 15 mass%.
実施例１の光沢付与層１を光沢付与層２に変更する以外は、実施例１と同様にして実施例４のインクジェット記録材料を作製した（コロイダルシリカ固形分量 ０．１ｇ／ｍ2）。 An inkjet recording material of Example 4 was produced in the same manner as in Example 1 except that the gloss imparting layer 1 of Example 1 was changed to the gloss imparted layer 2 (solid colloidal silica content 0.1 g / m 2 ).
＜光沢付与層２＞
クォートロンＰＬ−３Ｌ １００部
（扶桑化学工業株式会社製単分散コロイダルシリカ、平均一次粒子径３５ｎｍ、変動係数０．１１）
ピュラケムＷＴ ４００部
（（株）理研グリーン社製メチルアルミニウムクロライドポリマー）
固形分濃度が２．５質量％になるように水で調整した。
<Gloss layer 2>
Quartron PL-3L 100 parts (monodispersed colloidal silica manufactured by Fuso Chemical Industries, average primary particle size 35 nm, coefficient of variation 0.11)
400 parts of Purakem WT (Methyl aluminum chloride polymer manufactured by Riken Green Co., Ltd.)
It adjusted with water so that solid content concentration might be 2.5 mass%.
実施例１の光沢付与層１を光沢付与層３に変更する以外は、実施例１と同様にして実施例４のインクジェット記録材料を作製した（コロイダルシリカ固形分量 ０．１ｇ／ｍ2）。 An ink jet recording material of Example 4 was produced in the same manner as in Example 1 except that the gloss imparting layer 1 of Example 1 was changed to the gloss imparting layer 3 (solid colloidal silica content 0.1 g / m 2 ).
＜光沢付与層３＞
クォートロンＰＬ−２Ｌ １００部
（扶桑化学工業株式会社製単分散コロイダルシリカ、平均一次粒子径１９ｎｍ、変動係数０．１１）
ＺＡ−３０ ４００部
（第一希元素化学工業（株）社製酢酸ジルコニル）
<Gloss imparting layer 3>
Quartron PL-2L 100 parts (monodispersed colloidal silica manufactured by Fuso Chemical Industry Co., Ltd., average primary particle diameter 19 nm, coefficient of variation 0.11)
400 parts of ZA-30 (Zirconyl acetate manufactured by Daiichi Elemental Chemical Co., Ltd.)
実施例１の光沢付与層１の固形分量を０．１５ｇ／ｍ2（コロイダルシリカ固形分量 ０．０３ｇ／ｍ2）に変更する以外は、実施例１と同様にして実施例６のインクジェット記録材料を作製した。 The inkjet recording material of Example 6 is the same as Example 1 except that the solid content of the gloss-imparting layer 1 of Example 1 is changed to 0.15 g / m 2 (solid content of colloidal silica 0.03 g / m 2 ). Was made.
実施例１の光沢付与層１の固形分量を２ｇ／ｍ2（コロイダルシリカ固形分量 ０．４ｇ／ｍ2）に変更する以外は、実施例１と同様にして実施例７のインクジェット記録材料を作製した。 The inkjet recording material of Example 7 is produced in the same manner as in Example 1 except that the solid content of the gloss-imparting layer 1 of Example 1 is changed to 2 g / m 2 (colloidal silica solid content 0.4 g / m 2 ). did.
実施例１の光沢付与層１を光沢付与層４に変更する以外は、実施例１と同様にして実施例８のインクジェット記録材料を作製した（コロイダルシリカ固形分量 ０．１ｇ／ｍ2）。 An inkjet recording material of Example 8 was produced in the same manner as in Example 1 except that the gloss imparting layer 1 of Example 1 was changed to the gloss imparted layer 4 (colloidal silica solid content 0.1 g / m 2 ).
＜光沢付与層４＞
クォートロンＰＬ−３Ｌ １００部
（扶桑化学工業株式会社製単分散コロイダルシリカ、平均一次粒子径３５ｎｍ、変動係数０．１１）
ＺＡ−３０ ４００部
（第一希元素化学工業（株）社製酢酸ジルコニル）
ポリビニルアルコール ４部
（ケン化度８８％、平均重合度３５００）
固形分濃度が２．５質量％になるように水で調整した。
<Gloss imparting layer 4>
Quartron PL-3L 100 parts (monodispersed colloidal silica manufactured by Fuso Chemical Industries, average primary particle size 35 nm, coefficient of variation 0.11)
400 parts of ZA-30 (Zirconyl acetate manufactured by Daiichi Elemental Chemical Co., Ltd.)
4 parts of polyvinyl alcohol (saponification degree 88%, average polymerization degree 3500)
It adjusted with water so that solid content concentration might be 2.5 mass%.
（比較例１）
光沢付与層１を塗布しないこと以外は、実施例１と同様にすることで比較例１の記録材料を作製した。なお、電子顕微鏡観察による気相法シリカの平均二次粒子径は８０ｎｍであった。
(Comparative Example 1)
A recording material of Comparative Example 1 was produced in the same manner as in Example 1 except that the gloss imparting layer 1 was not applied. In addition, the average secondary particle diameter of the vapor phase method silica by electron microscope observation was 80 nm.
（比較例２）
実施例１の光沢付与層１の固形分量を０．０５ｇ／ｍ2（コロイダルシリカ固形分量 ０．０１ｇ／ｍ2）になるようにする以外は実施例１と同様にすることで比較例２の記録材料を作製した。
(Comparative Example 2)
Comparative Example 2 by the addition to be a solid content of the gloss imparting layer 1 of Example 1 to 0.05 g / m 2 (colloidal silica solid content 0.01 g / m 2) to the same manner as in Example 1 A recording material was prepared.
（比較例３）
実施例１の光沢付与層１の固形分量を３．５ｇ／ｍ2 （コロイダルシリカ固形分量 ０．７ｇ／ｍ2）になるようにする以外は実施例１と同様にすることで比較例３の記録材料を作製した。その結果、インク受容層と光沢付与層との接着性が十分でなく、評価するに値する品質を得ることができなかった。
(Comparative Example 3)
Comparative Example 3 is the same as Example 1 except that the solid content of the gloss imparting layer 1 of Example 1 is 3.5 g / m 2 (solid content of colloidal silica 0.7 g / m 2 ). A recording material was prepared. As a result, the adhesiveness between the ink receiving layer and the gloss imparting layer was not sufficient, and quality worthy of evaluation could not be obtained.
（比較例４）
実施例１の光沢付与層１を光沢付与層５に変更すること以外は、実施例１と同様にすることで比較例４の記録材料を作製した（コロイダルシリカの固形分量 ０．１ｇ／ｍ2）。なお、電子顕微鏡観察による気相法シリカの平均二次粒子径は８０ｎｍであった。
(Comparative Example 4)
A recording material of Comparative Example 4 was produced in the same manner as in Example 1 except that the gloss imparting layer 1 of Example 1 was changed to the gloss imparted layer 5 (solid content of colloidal silica 0.1 g / m 2). ). In addition, the average secondary particle diameter of the vapor phase method silica by electron microscope observation was 80 nm.
＜光沢付与層５＞
ＰＬ−３Ｌ １００部
（扶桑化学工業株式会社製単分散コロイダルシリカ、平均一次粒子径３５ｎｍ、変動係数０．１１）
固形分濃度が０．５質量％になるように水で調整した。
<Gloss imparting layer 5>
100 parts of PL-3L (monodispersed colloidal silica manufactured by Fuso Chemical Industry Co., Ltd., average primary particle size 35 nm, coefficient of variation 0.11)
It adjusted with water so that solid content concentration might be 0.5 mass%.
（比較例５）
実施例１の光沢付与層１を光沢付与層６に変更すること以外は、実施例１と同様にすることで比較例５の記録材料を作製した（コロイダルシリカの固形分量 ０．１ｇ／ｍ2）。なお、電子顕微鏡観察による気相法シリカの平均二次粒子径は８０ｎｍであった。その結果、インク受容層と光沢付与層との接着性が十分でなく、評価するに値する品質を得ることができなかった。
(Comparative Example 5)
A recording material of Comparative Example 5 was produced in the same manner as in Example 1 except that the gloss imparting layer 1 of Example 1 was changed to the gloss imparting layer 6 (solid content of colloidal silica 0.1 g / m 2). ). In addition, the average secondary particle diameter of the vapor phase method silica by electron microscope observation was 80 nm. As a result, the adhesiveness between the ink receiving layer and the gloss imparting layer was not sufficient, and quality worthy of evaluation could not be obtained.
＜光沢付与層６＞
ＳＴ−ＯＬ４０ １００部
（日産化学工業社製多分散コロイダルシリカ、平均一次粒子径４３ｎｍ、変動係数０．２０）
ＺＡ−３０ ４００部
（第一希元素化学工業（株）社製酢酸ジルコニル）
固形分濃度が２．５質量％になるように水で調整した。
<Glossing layer 6>
ST-OL40 100 parts (polydisperse colloidal silica manufactured by Nissan Chemical Industries, average primary particle size 43 nm, coefficient of variation 0.20)
400 parts of ZA-30 (Zirconyl acetate manufactured by Daiichi Elemental Chemical Co., Ltd.)
It adjusted with water so that solid content concentration might be 2.5 mass%.
（比較例６）
実施例１の光沢付与層１を光沢付与層７に変更すること以外は、実施例１と同様にすることで比較例６の記録材料を作製した（コロイダルシリカの固形分量 ０．１ｇ／ｍ2）。なお、電子顕微鏡観察による気相法シリカの平均二次粒子径は８０ｎｍであった。
(Comparative Example 6)
A recording material of Comparative Example 6 was produced in the same manner as in Example 1 except that the gloss imparting layer 1 of Example 1 was changed to the gloss imparting layer 7 (solid content of colloidal silica 0.1 g / m 2). ). In addition, the average secondary particle diameter of the vapor phase method silica by electron microscope observation was 80 nm.
＜光沢付与層７＞
クォートロンＰＬ−３Ｌ １００部
（扶桑化学工業株式会社製単分散コロイダルシリカ、平均一次粒子径３５ｎｍ、変動係数０．１１）
ＺＡ−３０ ４００部
（第一希元素化学工業（株）社製酢酸ジルコニル）
ポリビニルアルコール １５部
（ケン化度８８％、平均重合度３５００）
固形分濃度が２．５質量％になるように水で調整した。
<Glossing layer 7>
Quartron PL-3L 100 parts (monodispersed colloidal silica manufactured by Fuso Chemical Industries, average primary particle size 35 nm, coefficient of variation 0.11)
400 parts of ZA-30 (Zirconyl acetate manufactured by Daiichi Elemental Chemical Co., Ltd.)
Polyvinyl alcohol 15 parts (saponification degree 88%, average polymerization degree 3500)
It adjusted with water so that solid content concentration might be 2.5 mass%.
（比較例７）
実施例１の光沢付与層１を光沢付与層８に変更すること以外は、実施例１と同様にすることで比較例７の記録材料を作製した（コロイダルシリカの固形分量 ０．１ｇ／ｍ2）。なお、電子顕微鏡観察による気相法シリカの平均二次粒子径は８０ｎｍであった。その結果、インク受容層と光沢付与層との接着性が十分でなく、評価するに値する品質を得ることができなかった。
(Comparative Example 7)
A recording material of Comparative Example 7 was produced in the same manner as in Example 1 except that the gloss imparting layer 1 of Example 1 was changed to the gloss imparted layer 8 (solid content of colloidal silica 0.1 g / m 2). ). In addition, the average secondary particle diameter of the vapor phase method silica by electron microscope observation was 80 nm. As a result, the adhesiveness between the ink receiving layer and the gloss imparting layer was not sufficient, and quality worthy of evaluation could not be obtained.
＜光沢付与層８＞
ＳＴ−ＯＺＬ １００部
（日産化学工業社製多分散コロイダルシリカ、平均一次粒子径８０ｎｍ、変動係数０．３１）
ＺＡ−３０ ４００部
（第一希元素化学工業（株）社製酢酸ジルコニル）
固形分濃度が２．５質量％になるように水で調整した。
<Gloss imparting layer 8>
ST-OZL 100 parts (polydisperse colloidal silica manufactured by Nissan Chemical Industries, average primary particle size 80 nm, coefficient of variation 0.31)
400 parts of ZA-30 (Zirconyl acetate manufactured by Daiichi Elemental Chemical Co., Ltd.)
It adjusted with water so that solid content concentration might be 2.5 mass%.
（比較例８）
実施例１の光沢付与層１を光沢付与層９に変更すること以外は、実施例１と同様にすることで比較例７の記録材料を作製した（コロイダルシリカの固形分量 ０．１ｇ／ｍ2）。なお、電子顕微鏡観察による気相法シリカの平均二次粒子径は８０ｎｍであった。その結果、インク受容層と光沢付与層との接着性が十分でなく、評価するに値する品質を得ることができなかった。
(Comparative Example 8)
A recording material of Comparative Example 7 was produced in the same manner as in Example 1 except that the gloss-imparting layer 1 of Example 1 was changed to the gloss-imparting layer 9 (solid content of colloidal silica 0.1 g / m 2). ). In addition, the average secondary particle diameter of the vapor phase method silica by electron microscope observation was 80 nm. As a result, the adhesiveness between the ink receiving layer and the gloss imparting layer was not sufficient, and quality worthy of evaluation could not be obtained.
＜光沢付与層９＞
ＳＴ−ＡＫＬ １００部
（日産化学工業社製多分散コロイダルシリカ、平均一次粒子径４５ｎｍ、変動係数０．２６）
ＺＡ−３０ ４００部
（第一希元素化学工業（株）社製酢酸ジルコニル）
固形分濃度が２．５質量％になるように水で調整した。
<Glossing layer 9>
ST-AKL 100 parts (polydisperse colloidal silica manufactured by Nissan Chemical Industries, average primary particle size 45 nm, coefficient of variation 0.26)
400 parts of ZA-30 (Zirconyl acetate manufactured by Daiichi Elemental Chemical Co., Ltd.)
It adjusted with water so that solid content concentration might be 2.5 mass%.
上記のようにして作製したインクジェット記録材料について、以下の評価を行った。その結果を表１に示す。 The ink jet recording material produced as described above was evaluated as follows. The results are shown in Table 1.
＜顔料インクの接着性＞
顔料インク用インクジェットプリンター（セイコーエプソン（株）社製ＰＸ−Ｇ９００）を用いて、Ｂｌｕｅの最大インク吐出量でベタ印字を５０枚連続で行い、ギザローラが通過した画像部を目視評価した。
○：顔料インクの剥離なし。
△：顔料インクの剥離がわずかにある。
×：顔料インクの剥離があり。
××：顔料インクの剥離が激しい。
<Adhesiveness of pigment ink>
Using an ink jet printer for pigment ink (PX-G900 manufactured by Seiko Epson Corporation), solid printing was continuously performed with a maximum ink discharge amount of Blue, and an image portion through which a giza roller passed was visually evaluated.
○: No peeling of pigment ink.
Δ: Slight peeling of pigment ink.
X: There is peeling of the pigment ink.
XX: Peeling of pigment ink is severe.
＜白紙部の光沢度（％）＞
ＪＩＳ−Ｚ８７４１に基づいて２０度光沢度を変角光沢計ＶＧＳ−３００Ａ（日本電色（株）製）で測定した。
○：４０％より高い。
△：３０〜４０％。
×：３０％より低い。
<Glossiness of blank paper (%)>
Based on JIS-Z8741, 20 degree glossiness was measured with a variable angle gloss meter VGS-300A (manufactured by Nippon Denshoku Co., Ltd.).
○: Higher than 40%.
Δ: 30 to 40%.
X: Lower than 30%.
＜塗布面の光沢ムラ＞
得られたインクジェット記録材料について、塗布面の光沢ムラを目視で観察した。
○：問題なし。
△：若干ムラあり。
×：ムラが目立つ。
<Gloss unevenness on coated surface>
About the obtained inkjet recording material, the gloss unevenness of the coated surface was visually observed.
○: No problem.
Δ: Slightly uneven.
X: Unevenness is noticeable.
上記の結果から、本発明のインクジェット記録材料は従来の記録材料に比べて、顔料インクとの接着性、白紙部の光沢性に優れ、良好な塗布面を得ていることが分かる。光沢付与層を設けていない場合（比較例１）は、顔料インクとの接着性と白紙部の光沢性が満足できるものではなかった。光沢付与層に含有されるコロイダルシリカの固形分量が少ない場合（比較例２）は、顔料インクの接着性と白紙部の光沢性が満足できるものではなかった。光沢付与層に含有されるコロイダルシリカの固形分量が多い場合（比較例３）は、インク受容層と光沢付与層との接着性が十分でなかった。光沢付与層に水溶性多価金属化合物を含有していない場合（比較例４）は、顔料インクとの接着性が満足できるものではなかった。光沢付与層のコロイダルシリカが単分散でない場合（比較例５、７、８）は、インク受容層と光沢付与層との接着性が十分でなった。光沢付与層に樹脂バインダーを含有した場合（比較例６）は、塗布面の光沢ムラを満足することができなかった。 From the above results, it can be seen that the ink jet recording material of the present invention is superior in adhesion to the pigment ink and gloss of the white paper portion and has a good coated surface as compared with the conventional recording material. When the gloss imparting layer was not provided (Comparative Example 1), the adhesion with the pigment ink and the glossiness of the white paper portion were not satisfactory. When the amount of solid content of the colloidal silica contained in the gloss-imparting layer was small (Comparative Example 2), the adhesion of the pigment ink and the glossiness of the white paper portion were not satisfactory. When the solid content of the colloidal silica contained in the gloss imparting layer was large (Comparative Example 3), the adhesion between the ink receiving layer and the gloss imparting layer was not sufficient. When the gloss-imparting layer did not contain a water-soluble polyvalent metal compound (Comparative Example 4), the adhesion with the pigment ink was not satisfactory. When the colloidal silica of the gloss imparting layer was not monodispersed (Comparative Examples 5, 7, and 8), the adhesion between the ink receiving layer and the gloss imparting layer was sufficient. When a resin binder was contained in the gloss imparting layer (Comparative Example 6), gloss unevenness on the coated surface could not be satisfied.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000141992A (en) * | 1998-11-13 | 2000-05-23 | Dainippon Printing Co Ltd | Transfer film for printing curved face and manufacture thereof |
| JP2001341412A (en) * | 2000-03-27 | 2001-12-11 | Oji Paper Co Ltd | Ink jet recording medium |
| JP2005161836A (en) * | 2003-11-10 | 2005-06-23 | Mitsubishi Paper Mills Ltd | Manufacturing method for inkjet recording medium |
| JP2005231094A (en) * | 2004-02-18 | 2005-09-02 | Mitsubishi Paper Mills Ltd | Inkjet recording material and method for manufacturing it |
| JP2005254611A (en) * | 2004-03-11 | 2005-09-22 | Mitsubishi Paper Mills Ltd | Inkjet recording paper for pigment ink |
| JP2005280095A (en) * | 2004-03-30 | 2005-10-13 | Mitsubishi Paper Mills Ltd | Ink jet recording paper |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000141992A (en) * | 1998-11-13 | 2000-05-23 | Dainippon Printing Co Ltd | Transfer film for printing curved face and manufacture thereof |
| JP2001341412A (en) * | 2000-03-27 | 2001-12-11 | Oji Paper Co Ltd | Ink jet recording medium |
| JP2005161836A (en) * | 2003-11-10 | 2005-06-23 | Mitsubishi Paper Mills Ltd | Manufacturing method for inkjet recording medium |
| JP2005231094A (en) * | 2004-02-18 | 2005-09-02 | Mitsubishi Paper Mills Ltd | Inkjet recording material and method for manufacturing it |
| JP2005254611A (en) * | 2004-03-11 | 2005-09-22 | Mitsubishi Paper Mills Ltd | Inkjet recording paper for pigment ink |
| JP2005280095A (en) * | 2004-03-30 | 2005-10-13 | Mitsubishi Paper Mills Ltd | Ink jet recording paper |
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