JP2015102128A - 多層管 - Google Patents
多層管 Download PDFInfo
- Publication number
- JP2015102128A JP2015102128A JP2013241955A JP2013241955A JP2015102128A JP 2015102128 A JP2015102128 A JP 2015102128A JP 2013241955 A JP2013241955 A JP 2013241955A JP 2013241955 A JP2013241955 A JP 2013241955A JP 2015102128 A JP2015102128 A JP 2015102128A
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- JP
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- Prior art keywords
- polyolefin resin
- layer
- glass fiber
- weight
- gas barrier
- 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.)
- Granted
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- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 195
- 239000003365 glass fiber Substances 0.000 claims abstract description 91
- 239000010410 layer Substances 0.000 claims description 208
- 230000004888 barrier function Effects 0.000 claims description 56
- 239000012790 adhesive layer Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 description 19
- -1 polyethylene Polymers 0.000 description 18
- 229920005989 resin Polymers 0.000 description 18
- 239000011347 resin Substances 0.000 description 18
- 239000000835 fiber Substances 0.000 description 17
- 239000004698 Polyethylene Substances 0.000 description 14
- 230000003078 antioxidant effect Effects 0.000 description 14
- 229920000573 polyethylene Polymers 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 230000001965 increasing effect Effects 0.000 description 11
- 239000004743 Polypropylene Substances 0.000 description 9
- 239000000314 lubricant Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229920000098 polyolefin Polymers 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000002530 phenolic antioxidant Substances 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 7
- 230000002708 enhancing effect Effects 0.000 description 6
- 150000001451 organic peroxides Chemical class 0.000 description 6
- 229920005992 thermoplastic resin Polymers 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 4
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 4
- 239000004611 light stabiliser Substances 0.000 description 4
- 239000012756 surface treatment agent Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 150000002596 lactones Chemical class 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 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 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920001083 polybutene Polymers 0.000 description 2
- 229920005606 polypropylene copolymer Polymers 0.000 description 2
- 229920005604 random copolymer Polymers 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- QNEVKCBGTUWWOH-UHFFFAOYSA-N 1,2,3,4-tetrakis(2,4-ditert-butylphenyl)-5-phenylbenzene Chemical group CC(C)(C)C1=CC(C(C)(C)C)=CC=C1C(C(=C1C=2C(=CC(=CC=2)C(C)(C)C)C(C)(C)C)C=2C(=CC(=CC=2)C(C)(C)C)C(C)(C)C)=CC(C=2C=CC=CC=2)=C1C1=CC=C(C(C)(C)C)C=C1C(C)(C)C QNEVKCBGTUWWOH-UHFFFAOYSA-N 0.000 description 1
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 description 1
- XYXJKPCGSGVSBO-UHFFFAOYSA-N 1,3,5-tris[(4-tert-butyl-3-hydroxy-2,6-dimethylphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C)=C1CN1C(=O)N(CC=2C(=C(O)C(=CC=2C)C(C)(C)C)C)C(=O)N(CC=2C(=C(O)C(=CC=2C)C(C)(C)C)C)C1=O XYXJKPCGSGVSBO-UHFFFAOYSA-N 0.000 description 1
- ZDDUSDYMEXVQNJ-UHFFFAOYSA-N 1H-imidazole silane Chemical compound [SiH4].N1C=NC=C1 ZDDUSDYMEXVQNJ-UHFFFAOYSA-N 0.000 description 1
- VTFXHGBOGGGYDO-UHFFFAOYSA-N 2,4-bis(dodecylsulfanylmethyl)-6-methylphenol Chemical compound CCCCCCCCCCCCSCC1=CC(C)=C(O)C(CSCCCCCCCCCCCC)=C1 VTFXHGBOGGGYDO-UHFFFAOYSA-N 0.000 description 1
- ODBCKCWTWALFKM-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhex-3-yne Chemical compound CC(C)(C)OOC(C)(C)C#CC(C)(C)OOC(C)(C)C ODBCKCWTWALFKM-UHFFFAOYSA-N 0.000 description 1
- GJDRKHHGPHLVNI-UHFFFAOYSA-N 2,6-ditert-butyl-4-(diethoxyphosphorylmethyl)phenol Chemical compound CCOP(=O)(OCC)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 GJDRKHHGPHLVNI-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- QSRJVOOOWGXUDY-UHFFFAOYSA-N 2-[2-[2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCCOCCOCCOC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 QSRJVOOOWGXUDY-UHFFFAOYSA-N 0.000 description 1
- GAODDBNJCKQQDY-UHFFFAOYSA-N 2-methyl-4,6-bis(octylsulfanylmethyl)phenol Chemical compound CCCCCCCCSCC1=CC(C)=C(O)C(CSCCCCCCCC)=C1 GAODDBNJCKQQDY-UHFFFAOYSA-N 0.000 description 1
- ZPQAUEDTKNBRNG-UHFFFAOYSA-N 2-methylprop-2-enoylsilicon Chemical compound CC(=C)C([Si])=O ZPQAUEDTKNBRNG-UHFFFAOYSA-N 0.000 description 1
- AIBRSVLEQRWAEG-UHFFFAOYSA-N 3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP1OCC2(COP(OC=3C(=CC(=CC=3)C(C)(C)C)C(C)(C)C)OC2)CO1 AIBRSVLEQRWAEG-UHFFFAOYSA-N 0.000 description 1
- XMIIGOLPHOKFCH-UHFFFAOYSA-N 3-phenylpropionic acid Chemical compound OC(=O)CCC1=CC=CC=C1 XMIIGOLPHOKFCH-UHFFFAOYSA-N 0.000 description 1
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical group CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 description 1
- ZVVFVKJZNVSANF-UHFFFAOYSA-N 6-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]hexyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCCCCCCOC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 ZVVFVKJZNVSANF-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-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
- PMSNFNRNIGPRQJ-UHFFFAOYSA-N [Cr](=O)(=O)([O-])[O-].[Mo+4].[Cr](=O)(=O)([O-])[O-] Chemical compound [Cr](=O)(=O)([O-])[O-].[Mo+4].[Cr](=O)(=O)([O-])[O-] PMSNFNRNIGPRQJ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- SPTHWAJJMLCAQF-UHFFFAOYSA-M ctk4f8481 Chemical compound [O-]O.CC(C)C1=CC=CC=C1C(C)C SPTHWAJJMLCAQF-UHFFFAOYSA-M 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 1
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 229940078552 o-xylene Drugs 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- YTXCAJNHPVBVDJ-UHFFFAOYSA-N octadecyl propanoate Chemical group CCCCCCCCCCCCCCCCCCOC(=O)CC YTXCAJNHPVBVDJ-UHFFFAOYSA-N 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- RQAGEUFKLGHJPA-UHFFFAOYSA-N prop-2-enoylsilicon Chemical compound [Si]C(=O)C=C RQAGEUFKLGHJPA-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 150000003902 salicylic acid esters Chemical class 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
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Images
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- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
上記ポリオレフィン樹脂層(上記第1,第2のポリオレフィン樹脂層)及び上記ポリオレフィン樹脂/ガラス繊維層に含まれている各ポリオレフィン樹脂は特に限定されない。上記ポリオレフィン樹脂として従来公知のポリオレフィン樹脂を用いることができる。上記ポリオレフィン樹脂は、1種のみが用いられてもよく、2種以上が併用されてもよい。
上記ポリオレフィン樹脂/ガラス繊維層は、ガラス繊維を含む。上記ポリオレフィン樹脂層(上記第1,第2のポリオレフィン樹脂層)は、少量であればガラス繊維を含んでいてもよく、ガラス繊維を含んでいなくてもよい。上記ポリオレフィン樹脂/ガラス繊維層がポリオレフィン樹脂100重量部に対してガラス繊維を10重量部以上含む場合に、上記ポリオレフィン樹脂層は、ポリオレフィン樹脂100重量部に対してガラス繊維を10重量部未満で含むことが好ましい。この場合に、上記ポリオレフィン樹脂/ガラス繊維層と上記ポリオレフィン樹脂層とは異なる。多層管の耐衝撃強度をより一層高める観点からは、上記ポリオレフィン樹脂層において、ガラス繊維の含有量は少ないほどよい。上記ポリオレフィン樹脂層において、ポリオレフィン樹脂100重量部に対するガラス繊維の含有量はより好ましくは10重量部以下、更に好ましくは5重量部以下、最も好ましくは0重量部(未使用)である。
多層管の耐衝撃強度、寸法安定性及びガスバリア性を効果的に高める観点からは、上記ポリオレフィン樹脂/ガラス繊維層は相溶化剤を含むことが好ましい。上記相溶化剤は、1種のみが用いられてもよく、2種以上が併用されてもよい。
上記ガスバリア層はガスバリア性を有していればよく、ガスバリア性を発現する適宜の材料により形成される。上記ガスバリア層の材料としては、エチレン−ビニルアルコール樹脂、ポリビニルアルコール、ポリアミド及びポリエチレンテレフタレート等が挙げられる。上記ガスバリア層の材料は1種のみが用いられてもよく、2種以上が併用されてもよい。
上記接着層は積層される層を接着する性質を有していればよく、接着性を発現する適宜の材料により形成される。
上記ポリオレフィン樹脂層(上記第1,第2のポリオレフィン樹脂層)及び上記ポリオレフィン樹脂/ガラス繊維層はそれぞれ、上記ポリオレフィン樹脂以外の熱可塑性樹脂を含んでいてもよい。但し、上記ポリオレフィン樹脂以外の熱可塑性樹脂を用いる場合には、層における上記ポリオレフィン樹脂以外の熱可塑性樹脂の含有量は、層における上記ポリオレフィン樹脂の含有量よりも少ないことが好ましい。
実施例1では、図2に示す積層構造を有する多層管を作製した。
第1,第2のポリオレフィン樹脂層の厚みを2mmに変更したこと、並びに、ポリオレフィン樹脂/ガラス繊維層の厚みを2mmに変更したこと以外は実施例1と同様にして、多層管を得た。
ポリオレフィン樹脂/ガラス繊維層を形成するために、ポリオレフィン樹脂(ポリエチレン、密度:0.95g/cm3)100重量部(55重量%)と、ガラス繊維(繊維長3mm、繊維径13μm、アミノシラン表面処理)72.7重量部(40重量%)と、相溶化剤(変性ポリエチレン、密度:0.95g/cm3)9.1重量部(5重量%)とを混合した組成物を用いた。
ポリオレフィン樹脂/ガラス繊維層を形成するために、ポリオレフィン樹脂(ポリエチレン、密度:0.95g/cm3)100重量部(55重量%)と、ガラス繊維(繊維長3mm、繊維径13μm、アミノシラン表面処理)72.7重量部(40重量%)と、相溶化剤(変性ポリエチレン、密度:0.95g/cm3)9.1重量部(5重量%)とを混合した組成物を用いた。
ポリオレフィン樹脂(ポリエチレン、密度:0.95g/cm3)を用いて、厚みが6mmである単層管を得た。
寸法安定性:
得られた多層管において、寸法安定性を評価するために、熱線膨張係数を測定した。熱機械分析(TMA)装置を用いて、昇温速度5℃/min、測定範囲−20℃から120℃の条件で測定した。
2…ポリオレフィン樹脂/ガラス繊維層
3…ポリオレフィン樹脂層
4…接着層
5…ガスバリア層
11,11A…多層管
Claims (6)
- 管状の複数の層を備える多層管であって、
管状であり、かつポリオレフィン樹脂とガラス繊維とを含むポリオレフィン樹脂/ガラス繊維層と、
管状であり、かつポリオレフィン樹脂を含むポリオレフィン樹脂層とを備える、多層管。 - 前記ポリオレフィン樹脂層として、第1のポリオレフィン樹脂層と第2のポリオレフィン樹脂層とを備え、
前記第1のポリオレフィン樹脂層の外側に、前記ポリオレフィン樹脂/ガラス繊維層が配置されており、
前記ポリオレフィン樹脂/ガラス繊維層の外側に、前記第2のポリオレフィン樹脂層が配置されている、請求項1に記載の多層管。 - ガスバリア層をさらに備える、請求項1又は2に記載の多層管。
- 前記ポリオレフィン樹脂/ガラス繊維層の外側に、前記ポリオレフィン樹脂層が配置されており、
前記ポリオレフィン樹脂/ガラス繊維層の外側に配置された前記ポリオレフィン樹脂層の外側に、前記ガスバリア層が配置されている、請求項3に記載の多層管。 - 接着層をさらに備え、
前記ポリオレフィン樹脂/ガラス繊維層の外側に配置された前記ポリオレフィン樹脂層の外側に、接着層が配置されており、
前記接着層の外側に、前記ガスバリア層が配置されている、請求項4に記載の多層管。 - 前記ポリオレフィン樹脂/ガラス繊維層が、相溶化剤をさらに含む、請求項1〜5のいずれか1項に記載の多層管。
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