CN1863967A - Method for producing paper, paperboard and cardboard - Google Patents
Method for producing paper, paperboard and cardboard Download PDFInfo
- Publication number
- CN1863967A CN1863967A CNA2004800293134A CN200480029313A CN1863967A CN 1863967 A CN1863967 A CN 1863967A CN A2004800293134 A CNA2004800293134 A CN A2004800293134A CN 200480029313 A CN200480029313 A CN 200480029313A CN 1863967 A CN1863967 A CN 1863967A
- Authority
- CN
- China
- Prior art keywords
- monomer
- water
- insoluble
- weight
- organic polymer
- 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.)
- Pending
Links
- 239000000123 paper Substances 0.000 title claims abstract description 50
- 239000011111 cardboard Substances 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000011087 paperboard Substances 0.000 title abstract 2
- 239000000178 monomer Substances 0.000 claims abstract description 99
- 239000002245 particle Substances 0.000 claims abstract description 34
- 239000000440 bentonite Substances 0.000 claims abstract description 28
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 28
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 230000014759 maintenance of location Effects 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 23
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 9
- 229920000642 polymer Polymers 0.000 claims description 52
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 35
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 28
- 238000006116 polymerization reaction Methods 0.000 claims description 28
- 229920000620 organic polymer Polymers 0.000 claims description 27
- -1 alkyl sulfonic acid Chemical compound 0.000 claims description 21
- 150000002500 ions Chemical class 0.000 claims description 18
- 239000010419 fine particle Substances 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 125000002091 cationic group Chemical group 0.000 claims description 12
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 12
- 230000009477 glass transition Effects 0.000 claims description 11
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 9
- 239000000834 fixative Substances 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 8
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 8
- 229920002472 Starch Polymers 0.000 claims description 8
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 8
- 239000011976 maleic acid Substances 0.000 claims description 8
- 239000008107 starch Substances 0.000 claims description 8
- 235000019698 starch Nutrition 0.000 claims description 8
- 125000000129 anionic group Chemical group 0.000 claims description 6
- 150000001450 anions Chemical class 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 229920001519 homopolymer Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 claims description 5
- 150000001768 cations Chemical class 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- UYMKPFRHYYNDTL-UHFFFAOYSA-N ethenamine Chemical group NC=C UYMKPFRHYYNDTL-UHFFFAOYSA-N 0.000 claims description 4
- 239000001530 fumaric acid Substances 0.000 claims description 4
- 150000003254 radicals Chemical class 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 125000003010 ionic group Chemical group 0.000 claims description 3
- 150000002825 nitriles Chemical class 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 229920005613 synthetic organic polymer Polymers 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 150000008065 acid anhydrides Chemical class 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 239000013054 paper strength agent Substances 0.000 claims description 2
- 150000003009 phosphonic acids Chemical class 0.000 claims description 2
- 229920001281 polyalkylene Polymers 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 claims description 2
- 238000004513 sizing Methods 0.000 claims description 2
- 239000011859 microparticle Substances 0.000 abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229920006317 cationic polymer Polymers 0.000 description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 20
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 18
- 238000007600 charging Methods 0.000 description 18
- 229920001131 Pulp (paper) Polymers 0.000 description 17
- 239000006185 dispersion Substances 0.000 description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 12
- 239000007787 solid Substances 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 9
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 9
- 239000002002 slurry Substances 0.000 description 8
- 235000011121 sodium hydroxide Nutrition 0.000 description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 230000002776 aggregation Effects 0.000 description 6
- 238000004220 aggregation Methods 0.000 description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 229920002401 polyacrylamide Polymers 0.000 description 6
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 239000008119 colloidal silica Substances 0.000 description 5
- 239000010954 inorganic particle Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- NEHMKBQYUWJMIP-UHFFFAOYSA-N anhydrous methyl chloride Natural products ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 3
- QENRKQYUEGJNNZ-UHFFFAOYSA-N 2-methyl-1-(prop-2-enoylamino)propane-1-sulfonic acid Chemical compound CC(C)C(S(O)(=O)=O)NC(=O)C=C QENRKQYUEGJNNZ-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 229920006318 anionic polymer Polymers 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 2
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical group CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- GSYWJWFOKRBGQB-UHFFFAOYSA-N N(=O)OC(C)CCCCCC.C(C(=C)C)(=O)O Chemical compound N(=O)OC(C)CCCCCC.C(C(=C)C)(=O)O GSYWJWFOKRBGQB-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 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
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000002734 clay mineral Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- ZQXSMRAEXCEDJD-UHFFFAOYSA-N n-ethenylformamide Chemical compound C=CNC=O ZQXSMRAEXCEDJD-UHFFFAOYSA-N 0.000 description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical group C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 2
- LYBIZMNPXTXVMV-UHFFFAOYSA-N propan-2-yl prop-2-enoate Chemical compound CC(C)OC(=O)C=C LYBIZMNPXTXVMV-UHFFFAOYSA-N 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
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- 230000008961 swelling Effects 0.000 description 2
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- 239000010457 zeolite Substances 0.000 description 2
- DEWLEGDTCGBNGU-UHFFFAOYSA-N 1,3-dichloropropan-2-ol Chemical compound ClCC(O)CCl DEWLEGDTCGBNGU-UHFFFAOYSA-N 0.000 description 1
- ZLPXFBBKYQYQEA-UHFFFAOYSA-N 1-(prop-2-enoylamino)ethanesulfonic acid Chemical compound OS(=O)(=O)C(C)NC(=O)C=C ZLPXFBBKYQYQEA-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 1
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
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- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 description 1
- OFNISBHGPNMTMS-UHFFFAOYSA-N 3-methylideneoxolane-2,5-dione Chemical compound C=C1CC(=O)OC1=O OFNISBHGPNMTMS-UHFFFAOYSA-N 0.000 description 1
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- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
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- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 description 1
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- 229910021529 ammonia Inorganic materials 0.000 description 1
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- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- QGJZLNKBHJESQX-FZFNOLFKSA-N betulinic acid Chemical class C1C[C@H](O)C(C)(C)[C@@H]2CC[C@@]3(C)[C@]4(C)CC[C@@]5(C(O)=O)CC[C@@H](C(=C)C)[C@@H]5[C@H]4CC[C@@H]3[C@]21C QGJZLNKBHJESQX-FZFNOLFKSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- UTOVMEACOLCUCK-PLNGDYQASA-N butyl maleate Chemical compound CCCCOC(=O)\C=C/C(O)=O UTOVMEACOLCUCK-PLNGDYQASA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- VNSBYDPZHCQWNB-UHFFFAOYSA-N calcium;aluminum;dioxido(oxo)silane;sodium;hydrate Chemical compound O.[Na].[Al].[Ca+2].[O-][Si]([O-])=O VNSBYDPZHCQWNB-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- NEHMKBQYUWJMIP-OUBTZVSYSA-N chloromethane Chemical group Cl[13CH3] NEHMKBQYUWJMIP-OUBTZVSYSA-N 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- JBSLOWBPDRZSMB-BQYQJAHWSA-N dibutyl (e)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C\C(=O)OCCCC JBSLOWBPDRZSMB-BQYQJAHWSA-N 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 229940043237 diethanolamine Drugs 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052621 halloysite Inorganic materials 0.000 description 1
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 1
- 229910000271 hectorite Inorganic materials 0.000 description 1
- TVHALOSDPLTTSR-UHFFFAOYSA-H hexasodium;[oxido-[oxido(phosphonatooxy)phosphoryl]oxyphosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O TVHALOSDPLTTSR-UHFFFAOYSA-H 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229920000831 ionic polymer Polymers 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229940117841 methacrylic acid copolymer Drugs 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- DCBBWYIVFRLKCD-UHFFFAOYSA-N n-[2-(dimethylamino)ethyl]-2-methylprop-2-enamide Chemical compound CN(C)CCNC(=O)C(C)=C DCBBWYIVFRLKCD-UHFFFAOYSA-N 0.000 description 1
- QENDLNJWYIFMIM-UHFFFAOYSA-N n-[3-(dimethylamino)propyl]-n-methylprop-2-enamide Chemical compound CN(C)CCCN(C)C(=O)C=C QENDLNJWYIFMIM-UHFFFAOYSA-N 0.000 description 1
- RCLLINSDAJVOHP-UHFFFAOYSA-N n-ethyl-n',n'-dimethylprop-2-enehydrazide Chemical compound CCN(N(C)C)C(=O)C=C RCLLINSDAJVOHP-UHFFFAOYSA-N 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 229910000273 nontronite Inorganic materials 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229910052615 phyllosilicate Inorganic materials 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 150000003053 piperidines Chemical class 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000962 poly(amidoamine) Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000276 sauconite Inorganic materials 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 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
- 235000012222 talc Nutrition 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- LTVDFSLWFKLJDQ-UHFFFAOYSA-N α-tocopherolquinone Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)(O)CCC1=C(C)C(=O)C(C)=C(C)C1=O LTVDFSLWFKLJDQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/08—Mechanical or thermomechanical pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
- D21H17/375—Poly(meth)acrylamide
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
Landscapes
- Paper (AREA)
Abstract
The invention relates to a method for producing paper, paperboard and card board by adding (i) at least one retention agent and (ii) organic, ionic and uncrosslinked microparticles which are water-insoluble and whose mean particle size is less than 500 nm and whose ionic polymerisable monomer content is less than 1 % by weight or organic, ionic and uncrosslinked microparticles which are water-insoluble and whose mean particle size is less than 500 nm and whose ionic polymerisable monomer maximum content is equal to 10 % in weight obtainable by monomer polymerisation in the presence of silicon, waterglass, bentonite and/or the mixture thereof into a pulp and by dehydration of said pulp on a sieve.
Description
The present invention relates to a kind of by in paper stock, adding uncrosslinked organic fine particles and at least a retention agent and on papermaking wire-cloth, draining the method that paper stock prepares paper, cardboard and mill bristol.
Inorganic particles such as bentonite or colloidal state Ludox and cationic polymer one are used from the papermaking to improve keeping and draining of paper stock, referring to EP-A-0 235 893, EP-A-0 335 575, EP-A-0 310959, US-A-4 388 150 and WO-A-94/05595.In the method, with cationic polymer to be metered into based on the amount of dry paper stock greater than 0.03 weight %, make mixture stand the shearing field effect then, the floccule that initially forms is divided into micro floc, adds bentonite or silica then and the paper pulp that will obtain like this drains and do not have an other shear action.According to the method for DE-A-102 36 252, after the last shear stage in head box upstream, the microparticle system that will comprise cationic polymer and inorganic component in small, broken bits is metered in the paper stock, then paper stock is drained.Be used alone as retention agent with cationic polymer and compare, use the multicomponent system comprise cationic polymer and the inorganic particles improved paper that obtains being shaped.
EP-A-0 462 365 discloses a kind of organic fine particles, and this organic fine particles can be uncrosslinked or crosslinked and it comprises at least 1 weight % in each case, but the ionic copolymerization monomer that general at least 5 weight % introduce with the polymerized unit form.The granularity of uncrosslinked water insoluble microparticle is below 60nm, and the granularity of crosslinked particulate is less than 750nm.Organic fine particles and the polyion polymer one that is used as retention agent are used from the papermaking.Except that organic fine particles, bentonite or silica in small, broken bits also can be used for papermaking.Synthetic organic polymer and polysaccharide all are the heavy polymers that is fit to.
EP-A-0 810 274 discloses the base-material of styrene-based/acrylate polymer aqueous dispersion that average film-forming temperature is lower than 10 ℃.If suitable, this polymer can comprise the monomer that 1 weight % at the most comprises acidic group.The granularity of dispersed polymeres particle is preferably 100-300nm.This base-material for example is used to prepare coating such as plastics disperse putty, ceramic tile adhesive, coating and the especially low emulsion paint that discharges.
WO-A-02/101145 discloses the aqueous mixture that comprises crosslinked anionic property aggregated particles and colloidal state anion silica dioxide granule, and the granularity of described aggregated particles under solvent swelling state not especially is 25-300nm less than 750nm.This mixture be used from the papermaking as the cationic polymer one of filter aid and retention agent.Yet they also can and be used to handle waste water and mud as flocculant.
Other microparticle system that is used as the paper stock additive in papermaking is disclosed among EP-A-0 497 030 and the EP-A-0 0,635 602.US-A-6 083 997 discloses the preparation of the anion nano composite material that is used as retention agent and filter aid in papermaking.The remarkable part of the document is waterglass mixed with anionic polyelectrolyte based on polysulfonate, polyacrylate or Quadrafos and or adds silica or in-situ preparing silica.
The purpose of this invention is to provide the another kind of method of using microparticle system to prepare paper, cardboard and mill bristol.
We have found that this purpose according to the present invention by a kind of in paper stock, add water-insoluble uncrosslinked ionic organic fine particles and at least a retention agent and on papermaking wire-cloth, drain paper stock prepare paper, the method of cardboard and mill bristol and realizing, use therein organic fine particles is a particle mean size less than 500nm and polymeric ions content of monomer less than the uncrosslinked organic polymer of the water-insoluble of 1 weight %, or particle mean size is no more than the uncrosslinked organic fine particles of water-insoluble of 10 weight % less than 500nm and polymeric ions content of monomer, and described organic fine particles can be by at silica, waterglass, polymerization single polymerization monomer under the existence of bentonite and/or its mixture and obtaining.
Described granularity is always average particle size d
50Described granularity is by available from MalvernInstruments, and the automatic particle size analyzer of the Iic of UK (autosizer) is being measured by dynamic light scattering on concentration is the dispersion of 0.01 weight % under 23 ℃.The particle mean size of the organic polymer that water-insoluble is uncrosslinked is preferably 10-100nm and the polymeric ions content of monomer is 0.1-0.95 weight %.The particle mean size of the insoluble uncrosslinked organic polymer of special preferred water is that 10-80nm and polymeric ions content of monomer are the particulate of 0.2-0.7 weight %.Usually the particle mean size of particulate is 15-50nm.
The particulate that comprises the uncrosslinked organic polymer of water-insoluble comprises at least a anionic monomer or a kind of cationic monomer of introducing with the polymerized unit form.The aqueous dispersion that comprises anionic microparticles is disclosed in EP-A-0 and walks to for 810 274 the 3rd page the 3rd in open relevant with prior art of the 15th page of the 59th row.The uncrosslinked organic polymer of the water-insoluble that has ionic charge that is fit to for example can carry out free radical water emulsion polymerization and obtain by the monomer mixture that comprises following component:
(a) the glass transition temperature T of at least a its homopolymers of 30-55 weight portion
g＜20 ℃ monomer,
(b) the glass transition temperature T of at least a its homopolymers of 45-70 weight portion
g＞50 ℃ monomer and
(c) 0.01 to the monomer that has ionic group less than 1 weight portion,
(a) and total weight parts (b) be always 100.If for example in polymerization, use monoene to belong to unsaturated monomer with acidic-group, the monomer that then has ionic group can be given the polymer anion electric charge, if perhaps polymerization is to belong in the presence of the unsaturated alkaline monomer at monoene carrying out, then give the polymer cation electric charge.According to G.Kanig (referring to Kolloid-Zeitschrift ﹠amp; Zeitschrift f ü r Polymere, the 190th volume, the 1st page, equation 1), glass transition temperature T
gConnotation be interpreted as along with molecular weight increases the glass transition temperature limit that described glass transition temperature is tending towards.It is measured by DSC method (differential scanning calorimetry, 20K/min, intermediate point).T for the homopolymers of most of monomers
gValue is known, for example referring to Ullmann ' s Encyclopedia of Industrial Chemistry, and Verlag Chemie Weinheim,, the 5th part, A21 volume, the 169th page in 1992.
Monomer (a) for example is selected from least a acrylic acid C
1-C
10Arrcostab, methacrylic acid C
5-C
10Arrcostab, (methyl) acrylic acid C
5-C
10Cycloalkyl ester, maleic acid two C
1-C
10Arrcostab and/or fumaric acid two C
1-C
10Arrcostab.Typical monomer (b) for example is selected from least a vi-ny l aromatic monomers and/or a kind of α, alpha, beta-unsaturated nitriles or dintrile.
C
1-C
nThe connotation of alkyl is interpreted as the straight or branched alkyl of 1-n carbon atom, for example methyl, ethyl, propyl group, isopropyl, normal-butyl, isobutyl group, the tert-butyl group, amyl group, n-hexyl, 2-ethylhexyl, n-octyl, iso-octyl and positive decyl.C
5-C
10Cycloalkyl for example is cyclopentyl, cyclohexyl or ring octyl group, and it randomly can be replaced by the alkyl of 1,2 or 3 1-4 carbon atom in each case.
The uncrosslinked organic polymer of water-insoluble preferably is made up of following component:
35-50 weight parts monomers unit (a),
50-65 weight parts monomers unit (b) and
Weight parts monomers unit 0.01-0.95 (c),
Monomeric unit (a) and summation (b) are always 100.
If monomer (c) is an anionic monomer, then it for example is selected from α, β-unsaturated C
3-C
6Carboxylic acid, α, β-unsaturated C
4-C
8Dicarboxylic acids, its acid anhydrides, monoene belong to the unsaturated chain alkyl sulfonic acid, monoene belongs to unsaturated phosphonic acids and/or monoene belongs to unsaturated aryl sulfonic acid.If in polymerization, can use the suitable monomer (c) that is the form that partially or completely neutralizes with alkali metal, alkaline-earth metal and/or ammonium alkali.And, the polymer that comprises the monomer (c) of combination with free acidic group form polymerization can also be neutralized in polymerization process or after the polymerization end.The alkali that is fit to for example is sodium hydroxide solution, potassium hydroxide solution, sodium carbonate, potash, sodium bicarbonate, ammonia, amine such as trimethylamine, propylamine or butylamine, pyridine, piperidines, morpholine and alkanolamine such as monoethanolamine, diethanol amine and triethanolamine, calcium oxide, calcium hydroxide, magnesia and magnesium hydroxide.Preferably (c) group monomer is acrylic acid, methacrylic acid, butenoic acid, maleic acid, fumaric acid, maleic anhydride, itaconic acid, itaconic anhydride, vinyl sulfonic acid, methallyl sulfonic acid, vinylbenzenesulfonic acid, acrylamido ethane sulfonic acid, acrylamido-2-methyl propane sulfonic acid, (methyl) acrylic acid 2-sulphur ethyl ester and (methyl) acrylic acid sulphur propyl ester.Particularly preferred this group monomer is mixture and the alkali metal salt and the ammonium salt of acrylic acid, methacrylic acid and acrylamido-2-methyl propane sulfonic acid, these monomers, especially is its sodium salt.
If monomer (c) is a cationic monomer, this is interpreted as referring to for example following monomer: diallyldimethylammonium chloride, (methyl) acrylic acid two C
1-C
2Alkylamino-C
2-C
4Arrcostab and two C
1-C
2Alkylamino-C
2-C
4Alkyl (methyl) acrylamide.Described (methyl) acrylic acid dialkylaminoalkyl ester and dialkylaminoalkyl (methyl) acrylamide are preferably to use or to use with quaternised form with the form of inorganic acid or organic acid salify.The quaternizing agent that uses for example is chloromethane, chloric ethane or dimethyl suflfate.The example of the preferred cationic monomer that uses is as diallyldimethylammonium chloride and sulfuric acid or hydrochloric acid or with the following salt of the quaternised compound of chloromethane: dimethylaminoethyl methacrylate, dimethylaminoethyl acrylate, dimethylaminoethyl acrylate methyl amino propyl ester, dimethylaminoethyl Methacrylamide and dimethylamino-propyl (methyl) acrylamide.Polymer also can comprise with the vinylamine unit of the form of inorganic acid salify or quaternized form as cation group.If for example carry out polymerization as in the presence of the comonomer at vinyl formamide, and will be present in then vinyl formamide unit in the copolymer with sulphuric acid hydrolysis to obtain the vinylamine unit, then obtain having the polymer of this group.
In the monomer mixture that carries out polymerization, (c) amount of group monomer is less than 1 weight portion based on 100 weight parts monomers (a) and summation (b).Monomer mixture preferably comprises based on 100 weight parts monomers (a) with (b) for the 0.01-0.95 weight portion, especially is at least a monomer (c) of 0.2-0.7 weight portion.
Except that component (a) and (b) and described polymer (c), particle mean size less than the content of 500nm and polymeric ions monomer at the most those particulates of the uncrosslinked organic polymer of water-insoluble of 10 weight % also be suitable for papermaking, described particulate can by these polymer of polymerization in the presence of silica, waterglass, bentonite and/or its mixture based on monomer obtain.Under the situation of this particulate, (c) content of group monomer for example is 0.1-10 weight %, and preferred 1.5-7 weight % especially is 2-5 weight %.
The example of monomer (a) is C
3-C
10The vinyl ethers of alkanol, side chain and straight chain C
3-C
10Alkene, acrylic acid C
1-C
10Arrcostab, methacrylic acid C
5-C
10Arrcostab, (methyl) acrylic acid C
5-C
10Cycloalkyl ester, maleic acid two C
1-C
10Arrcostab and/or fumaric acid two C
1-C
10Arrcostab.Particularly preferred this group monomer for example is ethyl acrylate, acrylic acid n-propyl, isopropyl acrylate, n-butyl acrylate, isobutyl acrylate, the just own ester of acrylic acid, 2-EHA, the just own ester of methacrylic acid, methacrylic acid 2-Octyl Nitrite, n-butyl maleate and/or di n butyl fumarate.
The example of the monomer (b) that is fit to is a vi-ny l aromatic monomers, for example styrene or α-Jia Jibenyixi and by 1,2 or 3 C
1-C
4Styrene or α-Jia Jibenyixi that alkyl, chlorine and/or methoxyl group replace.Preferably (b) group monomer has the glass transition temperature more than 80 ℃.The example of these monomers is styrene, α-Jia Jibenyixi, adjacent vinyltoluene, to vinyltoluene, acrylonitrile, methacrylonitrile, maleic dintrile, anti-maleic nitrile or its mixture.
If suitable, copolymer can comprise other monoene of introducing with the polymerized unit form and belong to unsaturated monomer, for example acrylamide, Methacrylamide, N-vinyl pyrrolidone and N-caprolactam.Its amount for example is the 0-10 weight portion based on 100 weight parts monomers (a) and (b).
Being aggregated under initator and the emulsifying agent existence of monomer undertaken by known emulsion polymerisation process, and described initator forms free radical under polymerizing condition, for example peroxide, hydroperoxides, azo-compound or redox initiator.Out of Memory can obtain from 810 274 the 4th and 5 pages of above-mentioned EP-A-0 herein.Yet the polymerization of the monomer that is fit to also can be carried out in the presence of silica, waterglass, bentonite and/or its mixture.Obtaining particle mean size is the aqueous dispersion of the uncrosslinked ionic organic polymer of the following water-insoluble of 500nm.Yet, polymerization also can by prepare emulsion by water, monomer, hydrocarbon and at least a surfactant and in the presence of radical initiator polymerization single polymerization monomer carry out, described hydrocarbon at room temperature is liquid, for example hexane, pentane, isooctane, toluene and/or dimethylbenzene.
Preferred polymer is those polymer that comprise the following monomer of introducing with the polymerized unit form of above-mentioned amount:
(a) at least a monomer that is selected from n-butyl acrylate, isobutyl acrylate, acrylic acid n-propyl, isopropyl acrylate, ethyl acrylate, 2-EHA, methacrylic acid 2-Octyl Nitrite and methyl acrylate,
(b) at least a monomer that is selected from styrene, α-Jia Jibenyixi, acrylonitrile and methacrylonitrile and
(c) at least a monomer that is selected from acrylic acid, methacrylic acid, maleic acid and acrylamido-2-methyl propane sulfonic acid.
Especially preferably comprising the weight ratio of introducing with the polymerized unit form is 1: 1 n-butyl acrylate and methacrylic acid or the acrylic acid copolymer of styrene and 0.2-0.7 weight %.
The average molar mass M of polymer
wFor example be 500 000 to 500 ten thousand, preferred 100 ten thousand-300 ten thousand.
In papermaking, ionic organic fine particles and at least a retention agent that above-mentioned water-insoluble is uncrosslinked add in the paper stock together.This organic fine particles has promoted the effect of retention agent.The use amount of organic fine particles for example is 0.1-1 weight % based on dry paper stock, preferred 0.2-0.6 weight %.The amount of retention agent for example is 0.01-0.09 weight % based on dry paper stock, preferred 0.02-0.04 weight %.Operable retention agent becomes known for the conventional polymer of this purpose for all, polyacrylamide for example, cationic polyacrylamide such as acrylamide and with the copolymer of the quaternised acrylic acid dimethylaminoethyl of chloromethane ester, polyvinylamine, diallyl dimethyl ammoniumchloride, the copolymer of anionic polyacrylamide such as acrylamide and acrylic acid copolymer or acrylamide and methacrylic acid and poly-dialkylaminoalkyl (methyl) acrylamide are as poly-dimethylaminoethyl acrylamide and poly-dimethylaminoethyl Methacrylamide, it uses with protonated or quaternised form in each case, and suitable words can CATION and/or anion-modified poly(ethylene oxide).In addition, also be suitable as retention agent with the aziridine grafting with the crosslinked polyamidoamines of the dichlorohydrin ether of polyethylene glycol.Other conventional retention agent is a cationic starch.This starch is for example by preparing the reaction of starch and cationic reagent such as 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride.The substitution value of cationic starch for example is 0.01-1, preferred 0.02-0.5.Amphoteric starch also can be used as retention agent, and condition is that they have excessive cationic charge.Therefore known retention agent has high molecular and significantly is different from fixative based on same monomer.The molecular weight M of retention agent
wFor example be at least 500 000, preferred＞100 ten thousand, general＞200 ten thousand, especially＞500 ten thousand.
According to the inventive method, can produce all paper products, for example write and printing paper, natural intaglio paper and light weight coated paper in mill bristol, the individual layer/couch board that is used for set up box, individual layer/multi-layer gasket, corrugated material, newsprint, so-called middle level.In order to produce these paper, can be for example from ground wood pulp, hot method mechanical pulp (TMP), preheating method wood chip chemi-mechanical pulp (CTMP), pressure ground wood pulp (PGW), wood pulp, sulfite pulp and sulfate pulp.Chemical pulp can be staple fibre or long fiber.According to the inventive method, the no wood paper product that preferred for preparation is very white.
If suitable, paper can comprise 40 weight % at the most, usually the filler of 5-35 weight %.The filler that is fit to for example be titanium dioxide, natural and the chalk, talcum, kaolin, satin white, calcium sulfate, barium sulfate, clay and/or the aluminium oxide that precipitate.
Also can in the presence of the chemicals of conventional method, prepare paper.For example, also can in paper stock, add sizing material at least a fixative, paper strength agent and/or the machine (engine size).The fixative that is fit to is for example for comprising polymer, diallyl dimethyl ammoniumchloride, polymine, polyalkylene polyamine and/or the dicyandiamide polymer of vinylamine unit.The molecular weight M of fixative
wFor example be up to 300000, be generally 50 000 to 100 ten thousand.
According to the present invention, before the last shear stage in head box upstream, particle mean size is metered in the paper stock with at least a CATION, anion, both sexes or neutral synthetic organic polymer and/or cationic starch as retention agent less than the uncrosslinked organic polymer of the water-insoluble of 1 weight % less than 500nm and polymeric ions content of monomer.In embodiments of the present invention, after the last shear stage in head box upstream, particle mean size is metered in the paper stock with at least a retention agent and inorganic component in small, broken bits less than the uncrosslinked organic polymer of the water-insoluble of 1 weight % less than 500nm and polymeric ions content of monomer.Yet, also can use a kind of like this program, wherein before the last shear stage in head box upstream, retention agent is metered into, and after the last shear stage in head box upstream, particle mean size is metered into separately or with inorganic component in small, broken bits less than the uncrosslinked organic polymer of the water-insoluble of 1 weight % less than 500nm and polymeric ions content of monomer.
In addition, the organic retention agent of polymerization and those particle mean size that can obtain by polymerization single polymerization monomer in the presence of silica, waterglass, bentonite and/or its mixture can be used in the papermaking less than the combination that 500nm and polymeric ions content of monomer are no more than the uncrosslinked organic fine particles of the water-insoluble of 10 weight %.
In another embodiment of the inventive method, with particle mean size less than 500nm and polymeric ions content of monomer less than the uncrosslinked organic polymer of the water-insoluble of 1 weight % and the polymer of monoethylenically unsaturated carboxylic acid, for example the homopolymers of acrylic or methacrylic acid, acrylic acid use with the copolymer of the copolymer of methacrylic acid, acrylic acid and maleic acid and/or the methacrylic acid copolymer with maleic acid.If suitable, these polymer can comprise other monomer such as acrylamide and/or the Methacrylamide of introducing with the polymerized unit form.The molecular weight M of this base polymer
wFor example be 2000-200000, preferred 5 000-110 000.These polymer cause the electric charge of particulate to increase or therefore the prefocus of particulate has also improved keeping in papermaking.
According to the modification of other method, the polymeric ions content of monomer is used with the inorganic particles that is selected from bentonite, colloidal silica, sheet silicate and/or calcium carbonate in small, broken bits less than the uncrosslinked organic polymer of the water-insoluble of 1 weight %.The granularity of described inorganic substances for example is 1-100 000nm, preferred 5-500nm.In each case, these granularity datas are based on the inorganic substances that are dispersed in the water.For example, every weight portion organic fine particles uses the 0.01-10 weight portion, preferred 0.05-2 weight portion, the especially at least a inorganic particles of 0.1-1.2 weight portion.If by silica, waterglass and/or bentonitic in the presence of polymerization single polymerization monomer prepare the organic fine particles that contains (c) group monomer that is no more than 10 weight % at the most, then in polymerization, use the inorganic particles of respective amount based on formed particulate weight.
For example bentonite, colloidal silica, silicate and/or calcium carbonate are suitable as the inorganic component of microparticle system.The connotation of colloidal silica is interpreted as those products based on silicate, for example silica microgel, Ludox, polysilicate, alumina silicate, borosilicate, poly-borosilicate, clay or zeolite.Calcium carbonate for example can with chalk, grind calcium carbonate or winnofil form as the inorganic component of microparticle system.Bentonitic connotation is generally understood as the sheet silicate of swellable in water.These particularly clay mineral montmorillonites and similarly clay mineral, for example nontronite, hectorite, talcum powder, sauconite, beidellite, rectorite, illite, halloysite, Attagel and sepiolite.Preferably these sheet silicates are activated before use, promptly be translated in water the better form of swelling by handle sheet silicate with the aqueous solution of aqueous alkali such as NaOH, potassium hydroxide, sodium carbonate or potash.Be preferably used as the inorganic component of microparticle system with bentonite with the sodium hydroxide solution processing form.With the bentonitic platelet diameter that is dispersed in the sodium hydroxide solution processing form in the water for example is 1-2 μ m, and lamellae thickness is about 1nm.Depend on type and activation, bentonitic specific area is 60-800m
2/ g.Typical bentonite for example is described among the EP-B-0235893.In paper-making process, bentonite is typically added in the cellulose suspension with the form of bentonite aqueous slurry.This bentonite slurry can comprise the bentonite of 10 weight % at the most.Usually these slurries comprise the bentonite of about 3-5 weight %.
Can will be selected from the product of silica-based particle, silica microgel, Ludox, alumina silicate, borosilicate, poly-borosilicate or zeolite as colloidal silica.Their specific area is 50-1000m
2/ g, average particle size distribution is 1-250nm, normally 40-100nm.The preparation example of this class component is as being described among EP-A-0041056, EP-A-0185068 and the US-A-5176891.
Clay or kaolin are the hydrated aluminium silicates with layer structure.This crystal has layer structure and the aspect ratio ratio of thickness (diameter with) and is at most 30: 1.At least 50% grain graininess is less than 2mm.
The carbonate that uses, preferred calcium carbonate can be natural whiting (calcium carbonate that grinds, GCC) or winnofil (PCC).Classification prepares GCC by using grinding aid to grind also.The grain graininess of 40-95% is less than 2mm, and specific area is 6-13m
2/ g.PCC prepares by feed carbon dioxide in aqua calcis.Its particle mean size is 0.03-0.6mm, and the influence of the deposition condition greatly selected of its specific area.Its value is 6-13m
2/ g.
The paper that adopts the inventive method to obtain has good especially intensity.Compare with known method, improved keeping of filler.
Unless obvious expression is arranged in this article in addition, and percentage in an embodiment always is meant percetage by weight.The molal weight determination of light scattering of polymer.
Embodiment
Method of testing:
-paper sheet formation
Instrument: the Rapid-K then laboratory page former that has annex; The preparation that is used for the laboratory page of physical testing according to DIN54 358 part 1s is tested, this method of testing=Rapid-K then method ISO 5269/2
-ash content keeps: keep (FPAR) by ash content first
Dynamic dehydrating apparatus is transferred to 900rpm, charge into 500ml pulp suspension (8g/l) then.Stir after 10 seconds, the polyacrylamide solution of adding x% also stirred 20 seconds under 900rpm, reduced to 400rpm then.Add based on slurry with rare dispersion then and be the anion flocculation component of x% and under 400rpm, stirred again 15 seconds.Remove and discharge the 25ml dead volume.Collect 100ml and suction strainer on the Weissband filter of having weighed with volumetric flask.Filter is dry in 120 ℃ drying box, weigh and 550 ℃ of following ashing.Depend on the filler composition, calculate filer content by residue according to following relation:
(1-(filler in the filler/sample in the filtrate)) * 100
-do breaking length, breaking length wets:
Instrument: from the BXC-FR2.5TN.D09-002 of Zwick/Roell
-structural strength
Instrument: from the BXZ2.5/TS1S-006 of Zwick-Roell
According to DIN ISO 3 781 tests
Raw material
Cationic polymer A
Molal weight is that 4-6 1,000,000 and solid content are that 45% commercially available cationic polyacrylamide is (from the Polymin of BASF Aktiengesellschaft
KE 2020)
Silica
Particle mean size is that 5-10nm and solid content are the commercially available colloidal silica of 10 weight %.
Bentonite
Solid content is 90% and the commercially available montmorillonite type swellable clay of moisture 10% (referring to US-A-4 306 781), can trade name Mikrofloc
XFB is fixed agent A from BASF Aktiengesellschaft
Molecular weight M
wBe 250 000 and solid content be 21% commercial polyethylene amine, can Catiofast
VFH obtains from BASF Aktiengesellschaft
Anionic polymer A
Molecular weight M
wBe 70 000 and solid content be 45% the acrylic acid and the copolymer of maleic acid, can Sokalan
CP45 obtains from BASF Aktiengesellschaft
Nano hybrid A
Weight ratio is 1: 1 the polymer 1 and the mixture of silica
Solvitose
BPN
Solid content is 95% cold soluble type starch, can obtain from Avebe.
The preparation of polymer 1-4
Polymer 1
At first adding 560g water and 633g concentration in aggregation container is the aryl sulfonic acid saline solution of 15 weight %, and solution is heated to 85 ℃, adds 50g concentration then and be 7% sodium persulfate aqueous solution.
In 180 minutes, monomer mixture (charging 1) and a certain amount of initator (charging 2) are begun to be metered in the aggregation container via two bursts of independent chargings simultaneously then, keep temperature simultaneously.
Charging kept under 85 ℃ 30 minutes after finishing again, then reactant mixture was cooled to room temperature.With concentration is that 3% sodium hydrate aqueous solution is adjusted to 4 with pH.
Charging 1:
| 245g | Styrene |
| 250g | N-butyl acrylate |
| 3g | Methacrylic acid |
Charging 2:
| 1.5g | Sodium peroxydisulfate |
| 20g | Demineralized water |
The solid content of dispersion is about 33%.Copolymer comprises 0.6% methacrylic acid with the introducing of polymerized unit form.Concentration is that the light transmittance of 0.01% solution is 99%.Average particle size d
50Be 61nm.The pH of dispersion is 4.0 and the glass transition temperature T of polymer
gIt is 23 ℃.
Polymer 2
At first in aggregation container, add 800g concentration and be 2.5% Zeofloc solution (J.M.Huber Corporation) and 253g concentration and be 15% aryl sulfonic acid saline solution, solution is heated to 85 ℃, adds 20g concentration then and be 7% sodium persulfate aqueous solution.
In 180 minutes, initiator solution (charging 2) is begun to add in the aggregation container via two bursts of independent chargings simultaneously then, keep temperature simultaneously with monomer emulsions (charging 1) and in 195 minutes.
After charging finishes, under 85 ℃, kept again 30 minutes, then reactant mixture being cooled to room temperature also is the filter filtration of 45 μ m with mesh size.By adding concentration is that 3% sodium hydrate aqueous solution transfers to 4.0 with pH.
Charging 1:
| 100g | N-butyl acrylate |
| 98g | Styrene |
| 1.9g | Methacrylic acid |
Charging 2:
| 1.0g | Sodium peroxydisulfate |
| 26g | Demineralized water |
The solid content of dispersion is about 16%.Copolymer comprises 0.95% methacrylic acid with the introducing of polymerized unit form.Average particle size d
50Be 76nm.The pH of dispersion is 4.0 and the glass transition temperature T of polymer
gIt is 31 ℃.
Polymer 3
At first in aggregation container, add 300g water, 507g concentration and be 15% aryl sulfonic acid saline solution, 12g methacrylic acid and 800g concentration and be 5% and pH be 11.2 sodium silicate (sodawaterglass) aqueous solution, solution is heated to 85 ℃ and to add 40g concentration be 7% sodium persulfate aqueous solution.
In 180 minutes, initiator solution (charging 2) is begun to add in the aggregation container via two bursts of independent chargings simultaneously then, keep temperature simultaneously with monomer mixture (charging 1) and in 210 minutes.
After charging finishes, under 85 ℃, kept again 30 minutes, then the dispersion that forms being cooled to room temperature also is the filter filtration of 400 μ m with mesh size.By adding concentration is that 3% sodium hydrate aqueous solution transfers to 6.7 with pH.
Charging 1:
| 176g | Styrene |
| 200g | N-butyl acrylate |
| 12g | Methacrylic acid |
Charging 2:
| 40g | Sodium peroxydisulfate solution (concentration is 7%, the aqueous solution) |
The solid content of dispersion is about 25%.Copolymer comprises 3% methacrylic acid with the introducing of polymerized unit form.Average particle size d
50Be 68nm.The pH of dispersion is 6.7.The glass transition temperature T of polymer
gIt is 21 ℃.Dispersion is separated.The concentration that adds q.s then in a part of dispersion is that 3% sodium hydrate aqueous solution is to transfer to 10.5 with pH.Obtain solid content and be 23.5% aqueous dispersion.
Polymer 4
By adding concentration is that 5% the sodium silicate aqueous solution is that the pH of another part aqueous dispersion of 6.7 polymer 3 transfers to 10.5 with pH.The solid content of the dispersion that can so obtain is 19.7%.
Embodiment 1-6, Comparative Examples 1-4
At first test the effect of above-mentioned polymer as retention agent by above-mentioned method of testing on the slurry model, this slurry model comprises 70/30 pine sulfate/betulinic acid salt mixture, 30%Hydrocarb OG (based on paper pulp) and the 0.6%Solvitose with 70%Schopper Riegler 33 and 30%SchopperRiegler 70
BPN (based on paper pulp).In each case, the denseness of paper pulp is that the pH of 8g/l and paper pulp is 6.7.The type of raw material and amount and result are shown in table 1-4.
Table 1
| Embodiment | Amount * | Polymer | Amount * | Particulate | FPAR(％) |
| Comparative Examples 1 | 0.4 | Cationic polymer A | 1 | Silica | 68 |
| Embodiment 1 | 0.4 | Cationic polymer A | 1 | Polymer 1 | 73 |
*Addition, commercially available prod (kg)/paper (t)
Table 2
| Embodiment | Amount * | Polymer | Amount * | Particulate | FPAR(％) |
| Comparative Examples 2 | 0.4 | Cationic polymer A | 4 | Bentonite | 87 |
| Embodiment 2 | 0.4 | Cationic polymer A | 4 | Polymer 1 | 89 |
| Embodiment 3 | 0.4 | Cationic polymer A | 4 | Nano hybrid A | 90 |
*Addition, commercially available prod (kg)/paper (t)
Table 3
| Embodiment | Amount * | Polymer | Amount * | Particulate | FPAR(％) |
| Comparative Examples 3 | 0.4 | Cationic polymer A | 4 | Bentonite | 88 |
| Embodiment 4 | 0.4 | Cationic polymer A | 2 | Polymer 2 | 91 |
*Addition, commercially available prod (kg)/paper (t)
Table 4
| Embodiment | Amount * | Polymer | Amount * | Particulate | FPAR(％) |
| Comparative Examples 4 | 0.4 | Cationic polymer A | 3 | Bentonite | 90 |
| Embodiment 5 | 0.4 | Cationic polymer A | 3 | Polymer 3 | 94 |
| Embodiment 6 | 0.4 | Cationic polymer A | 3 | Polymer 4 | 96 |
*Addition, commercially available prod (kg)/paper (t)
Embodiment 7 and Comparative Examples 5
The slurry model that uses is that denseness is 6.7 no wood pulp paper stock as 8g/l and pH.To be that 0.1% fixative A (commercially available prod) is metered into based on dry paper stock, paper pulp will fully be mixed, add the cationic polymer A and the particulate of the amount of Table 5 then, guarantee that component fully mixes and as mentioned above paper pulp is drained.The result is as shown in table 5.
Embodiment 8
Repeat embodiment 7, difference is not use fixative A.The result is as shown in table 5.
Table 5
| Embodiment | Amount * | Polymer | Amount * | Particulate | FPAR(％) |
| Comparative Examples 5 | 0.4 | Cationic polymer A | 3 | Bentonite | 88 |
| Embodiment 7 | 0.4 | Cationic polymer A | 3 | Polymer 1 | 100 |
| Embodiment 8 | 0.4 | Cationic polymer A | 3 | Polymer 1 ** | 77 |
*Addition, commercially available prod (kg)/paper (t)
*Do not add fixative
Embodiment 9 and Comparative Examples 6
The slurry model that uses is that denseness is 6.7 no wood pulp paper stock as 8g/l and pH.Add 1% anionic polymer A based on the consumption of particulate, paper pulp is fully mixed, add the cationic polymer A and the particulate of the amount of Table 6, guarantee that component fully mixes and as mentioned above paper pulp is drained.The result is as shown in table 6.
Embodiment 10 and Comparative Examples 7
Repeat embodiment 9, difference is not use anionic polymer A.The result is as shown in table 6.
Table 6
| Embodiment | Amount * | Polymer | Amount * | Particulate | FPAR(％) |
| Comparative Examples 6 | 0.4 | Cationic polymer A | 4 | Bentonite | 79 |
| Comparative Examples 7 | 0.4 | Cationic polymer A | 4 | Bentonite ** | 83 |
| Embodiment 9 | 0.4 | Cationic polymer A | 4 | Polymer 1 | 89 |
| Embodiment 10 | 0.4 | Cationic polymer A | 4 | Polymer 1 ** | 83 |
*Addition, commercially available prod (kg)/paper (t)
*Do not add Sokalan CP 45
The test of performance characteristic
At first in being furnished with the stirred vessel of propeller agitator, add the above-mentioned pulp suspension of 500ml (denseness 8g/l) and stir with the speed of 900 rev/mins (rpm).After 10 seconds, as in the test that ash content keeps, adding polyacrylamide solution (retention agent), and under 900rpm, stirred 20 seconds, under 400rpm, stir then.Be metered into product shown in the table 7 (bentonite and polymer 1) with the amount of paper 2kg per ton commercially available prod in each case then.Then mixture is introduced in the Rapid-K then sheet former, making quantitatively is 80g/m
2Page.Measure dried, the wet breaking length and the structural strength of page then by said method.The result is as shown in table 7.
Table 7
| The paper test | Bentonite | Polymer 1 |
| Do breaking length (m) | 3442 | 4298 |
| Wet breaking length (m) | 205 | 299 |
| Structural strength (Fmax (N), z axle) | 366 | 430 |
Embodiment 11
Repeat embodiment 1, difference is that paper per ton uses commercially available prod and the 2kg polymer 1 of 0.4kg cationic polymer A.It is 89% that ash content keeps (FPAR).
Comparative Examples 8
Repeat embodiment 1, difference is that it is 33% anion emulsification styrene latex as 30nm and solid content that paper per ton uses the commercially available prod of 0.4kg cationic polymer A and 2kg granularity.It is 81% that ash content keeps (FPAR).
Claims (16)
1. one kind prepares paper by adding water-insoluble uncrosslinked ionic organic fine particles and at least a retention agent and drain paper stock in paper stock on papermaking wire-cloth, the method of cardboard and mill bristol, to be particle mean size be no more than the water-insoluble uncrosslinked organic polymer of 10 weight %s less than the uncrosslinked organic polymer of the water-insoluble of 1 weight % or particle mean size less than 500nm and polymeric ions content of monomer less than 500nm and polymeric ions content of monomer to use therein organic fine particles, and described organic polymer can be by at silica, waterglass, polymerization single polymerization monomer under the existence of bentonite and/or its mixture and obtaining.
2. according to the process of claim 1 wherein that the particle mean size of the organic polymer that water-insoluble is uncrosslinked is that 10-100nm and polymeric ions content of monomer are 0.1-0.95 weight %.
3. according to the method for claim 1 or 2, wherein the particle mean size of the uncrosslinked organic polymer of water-insoluble is that 10-80nm and polymeric ions content of monomer are 0.2-0.7 weight %.
4. according to each method among the claim 1-3, wherein the particle mean size of the uncrosslinked organic polymer of water-insoluble is 15-50nm.
5. according to each method among the claim 1-4, wherein the uncrosslinked organic polymer of water-insoluble comprises at least a anionic monomer of introducing with the polymerized unit form.
6. according to each method among the claim 1-4, wherein the uncrosslinked organic polymer of water-insoluble comprises at least a cationic monomer of introducing with the polymerized unit form.
7. according to each method among the claim 1-6, wherein use and can carry out the uncrosslinked organic polymer of water-insoluble that free radical water emulsion polymerization obtains by the monomer mixture that comprises following component:
(a) the glass transition temperature T of at least a its homopolymers of 30-55 weight portion
g＜20 ℃ monomer,
(b) the glass transition temperature T of at least a its homopolymers of 45-70 weight portion
g＞50 ℃ monomer and
(c) 0.01 to the monomer that has ionic group less than 1 weight portion,
(a) and total weight parts (b) be always 100.
8. according to the method for claim 7, wherein monomer (a) is selected from least a acrylic acid C
1-C
10Arrcostab, methacrylic acid C
5-C
10Arrcostab, (methyl) acrylic acid C
5-C
10Cycloalkyl ester, maleic acid two C
1-C
10Arrcostab and/or fumaric acid two C
1-C
10Arrcostab, and monomer (b) is selected from least a vi-ny l aromatic monomers and/or a kind of α, alpha, beta-unsaturated nitriles or dintrile.
9. according to the method for claim 7 or 8, wherein monomer (c) is selected from α, β-unsaturated C
3-C
6Carboxylic acid, α, β-unsaturated C
4-C
8Dicarboxylic acids, its acid anhydrides, monoene belong to the unsaturated chain alkyl sulfonic acid, monoene belongs to unsaturated phosphonic acids and/or monoene belongs to unsaturated aryl sulfonic acid.
10. according to the method for claim 9, wherein monomer (c) uses with the form that partially or completely neutralizes with alkali metal, alkaline-earth metal and/or ammonium alkali in polymerization.
11. according to each method among the claim 7-10, wherein the uncrosslinked organic polymer of water-insoluble is made up of following component:
35-50 weight parts monomers unit (a),
50-65 weight parts monomers unit (b) and
Weight parts monomers unit 0.01-0.95 (c),
Monomeric unit (a) and summation (b) are always 100.
12. according to each method among the claim 7-11, wherein the uncrosslinked organic polymer of water-insoluble can obtain by polymerization single polymerization monomer in the presence of silica, waterglass, bentonite and/or its mixture.
13., wherein in paper stock, also add sizing material at least a fixative, paper strength agent and/or the machine according to each method among the claim 1-12.
14. according to the method for claim 13, use therein fixative is polymer, diallyl dimethyl ammoniumchloride, polymine, polyalkylene polyamine and/or the dicyandiamide polymer that comprises the vinylamine unit.
15., wherein before the last shear stage in head box upstream, particle mean size is metered in the paper stock with at least a CATION, anion, both sexes or neutral synthetic organic polymer and/or cationic starch as retention agent less than the uncrosslinked organic polymer of the water-insoluble of 1 weight % less than 500nm and polymeric ions content of monomer according to each method among the claim 1-14.
16. according to each method among the claim 1-14; Wherein after the last shear stage in head box upstream, the ion monomer content of particle mean size less than 500nm and polymerization is metered in the paper stock with at least a retention agent and a kind of inorganic component in small, broken bits less than the uncrosslinked organic polymer of the water-insoluble of 1 % by weight, or wherein before the last shear stage in head box upstream retention agent is being metered into and after the last shear stage in head box upstream, the ion monomer content of particle mean size less than 500nm and polymerization is being metered into separately or with inorganic component in small, broken bits less than the uncrosslinked organic polymer of the water-insoluble of 1 % by weight.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10346750.5 | 2003-10-06 | ||
| DE10346750A DE10346750A1 (en) | 2003-10-06 | 2003-10-06 | Process for the production of paper, cardboard and cardboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1863967A true CN1863967A (en) | 2006-11-15 |
Family
ID=34353346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800293134A Pending CN1863967A (en) | 2003-10-06 | 2004-10-02 | Method for producing paper, paperboard and cardboard |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20070119560A1 (en) |
| EP (1) | EP1673506A1 (en) |
| CN (1) | CN1863967A (en) |
| BR (1) | BRPI0414844A (en) |
| CA (1) | CA2540117A1 (en) |
| DE (1) | DE10346750A1 (en) |
| WO (1) | WO2005035872A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104114766A (en) * | 2011-12-15 | 2014-10-22 | 因文提亚公司 | System and process for improving paper and paper board |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2869626A3 (en) * | 2004-04-29 | 2005-11-04 | Snf Sas Soc Par Actions Simpli | METHOD FOR MANUFACTURING PAPER AND CARDBOARD, NEW CORRESPONDING RETENTION AND DRAINING AGENTS, AND PAPERS AND CARTONS THUS OBTAINED |
| DE102004038132B3 (en) * | 2004-08-05 | 2006-04-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Paper product with increased relative wet tensile strength and softness, process for its preparation and its use |
| US8039550B2 (en) | 2005-05-20 | 2011-10-18 | Akzo Nobel N.V. | Process for preparing a polymer dispersion and a polymer dispersion |
| CN101529020A (en) * | 2006-10-31 | 2009-09-09 | 巴斯夫欧洲公司 | Method for producing a multi layer fiber web from cellulose fibers |
| US7854110B2 (en) * | 2006-11-16 | 2010-12-21 | Siemens Energy, Inc. | Integrated fuel gas characterization system |
| ES2344930T3 (en) * | 2006-11-23 | 2010-09-09 | Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk Onderzoek Tno | BIOPOLIMEROS AS RESISTANCE ADDITIVES IN THE HUMID STATE. |
| US8361571B2 (en) | 2008-06-20 | 2013-01-29 | International Paper Company | Composition and recording sheet with improved optical properties |
| CA2814988A1 (en) * | 2010-10-29 | 2012-05-03 | Buckman Laboratories International, Inc. | Papermaking and products made thereby with ionic crosslinked polymeric microparticle |
| EP3030716A2 (en) * | 2013-08-09 | 2016-06-15 | Solenis Technologies, L.P. | Polyethylene oxide treatment for drainage agents and dry strength agents |
| CN109594413A (en) * | 2018-11-26 | 2019-04-09 | 苏州恒康新材料有限公司 | It is a kind of for improving the paper making additive of paper tensile strength |
| CN112726275A (en) * | 2020-12-25 | 2021-04-30 | 玖龙纸业（东莞）有限公司 | Papermaking retention aid and application thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE432951B (en) * | 1980-05-28 | 1984-04-30 | Eka Ab | PAPER PRODUCT CONTAINING CELLULOSA FIBERS AND A BINDING SYSTEM CONTAINING COLOIDAL MILIC ACID AND COTIONIC STARCH AND PROCEDURE FOR PREPARING THE PAPER PRODUCT |
| US4968435A (en) * | 1988-12-19 | 1990-11-06 | American Cyanamid Company | Cross-linked cationic polymeric microparticles |
| US5167766A (en) * | 1990-06-18 | 1992-12-01 | American Cyanamid Company | Charged organic polymer microbeads in paper making process |
| US5274055A (en) * | 1990-06-11 | 1993-12-28 | American Cyanamid Company | Charged organic polymer microbeads in paper-making process |
| DE69120374T3 (en) * | 1990-06-11 | 2002-06-06 | Ciba Spec Chem Water Treat Ltd | Cross-linked, anionic and amphoteric polymer microbeads |
| US5431783A (en) * | 1993-07-19 | 1995-07-11 | Cytec Technology Corp. | Compositions and methods for improving performance during separation of solids from liquid particulate dispersions |
| GB9410920D0 (en) * | 1994-06-01 | 1994-07-20 | Allied Colloids Ltd | Manufacture of paper |
| US6238521B1 (en) * | 1996-05-01 | 2001-05-29 | Nalco Chemical Company | Use of diallyldimethylammonium chloride acrylamide dispersion copolymer in a papermaking process |
| US6083997A (en) * | 1998-07-28 | 2000-07-04 | Nalco Chemical Company | Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking |
| MY140287A (en) * | 2000-10-16 | 2009-12-31 | Ciba Spec Chem Water Treat Ltd | Manufacture of paper and paperboard |
| US20030136534A1 (en) * | 2001-12-21 | 2003-07-24 | Hans Johansson-Vestin | Aqueous silica-containing composition |
-
2003
- 2003-10-06 DE DE10346750A patent/DE10346750A1/en not_active Withdrawn
-
2004
- 2004-10-02 CA CA002540117A patent/CA2540117A1/en not_active Abandoned
- 2004-10-02 EP EP04765774A patent/EP1673506A1/en not_active Withdrawn
- 2004-10-02 US US10/574,344 patent/US20070119560A1/en not_active Abandoned
- 2004-10-02 CN CNA2004800293134A patent/CN1863967A/en active Pending
- 2004-10-02 WO PCT/EP2004/011023 patent/WO2005035872A1/en active Application Filing
- 2004-10-02 BR BRPI0414844-4A patent/BRPI0414844A/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104114766A (en) * | 2011-12-15 | 2014-10-22 | 因文提亚公司 | System and process for improving paper and paper board |
| CN104114766B (en) * | 2011-12-15 | 2016-06-01 | 因文提亚公司 | For improvement of the system and way of paper and paperboard |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1673506A1 (en) | 2006-06-28 |
| WO2005035872A1 (en) | 2005-04-21 |
| DE10346750A1 (en) | 2005-04-21 |
| BRPI0414844A (en) | 2006-11-21 |
| CA2540117A1 (en) | 2005-04-21 |
| US20070119560A1 (en) | 2007-05-31 |
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