WO2012067172A1 - 半芳香族ポリアミドフィルム、およびその製造方法 - Google Patents
半芳香族ポリアミドフィルム、およびその製造方法 Download PDFInfo
- Publication number
- WO2012067172A1 WO2012067172A1 PCT/JP2011/076475 JP2011076475W WO2012067172A1 WO 2012067172 A1 WO2012067172 A1 WO 2012067172A1 JP 2011076475 W JP2011076475 W JP 2011076475W WO 2012067172 A1 WO2012067172 A1 WO 2012067172A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- semi
- aromatic polyamide
- film
- polyamide film
- heat stabilizer
- Prior art date
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- 229920006012 semi-aromatic polyamide Polymers 0.000 title claims abstract description 149
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 238000000034 method Methods 0.000 title description 32
- 230000008569 process Effects 0.000 title description 4
- 229920005989 resin Polymers 0.000 claims abstract description 96
- 239000011347 resin Substances 0.000 claims abstract description 96
- -1 aliphatic diamine Chemical class 0.000 claims abstract description 49
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 27
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 150000004985 diamines Chemical class 0.000 claims abstract description 20
- 239000012760 heat stabilizer Substances 0.000 claims description 60
- 229910052751 metal Inorganic materials 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 35
- 241000251468 Actinopterygii Species 0.000 claims description 28
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 20
- 229920000642 polymer Polymers 0.000 claims description 20
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052698 phosphorus Inorganic materials 0.000 claims description 19
- 239000011574 phosphorus Substances 0.000 claims description 19
- 238000011101 absolute filtration Methods 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 13
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 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 claims description 10
- 230000001588 bifunctional effect Effects 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 239000003377 acid catalyst Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 125000003368 amide group Chemical group 0.000 claims description 2
- 239000013585 weight reducing agent Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 176
- 239000000126 substance Substances 0.000 description 29
- 238000001914 filtration Methods 0.000 description 24
- 238000006116 polymerization reaction Methods 0.000 description 18
- 229920001577 copolymer Polymers 0.000 description 17
- 238000001816 cooling Methods 0.000 description 14
- 239000002245 particle Substances 0.000 description 14
- 239000002685 polymerization catalyst Substances 0.000 description 13
- 239000004677 Nylon Substances 0.000 description 12
- 229920001778 nylon Polymers 0.000 description 12
- 230000006866 deterioration Effects 0.000 description 10
- GAGWMWLBYJPFDD-UHFFFAOYSA-N 2-methyloctane-1,8-diamine Chemical compound NCC(C)CCCCCCN GAGWMWLBYJPFDD-UHFFFAOYSA-N 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 8
- 239000005977 Ethylene Substances 0.000 description 8
- 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 8
- CGRTZESQZZGAAU-UHFFFAOYSA-N [2-[3-[1-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]-2-methylpropan-2-yl]-2,4,8,10-tetraoxaspiro[5.5]undecan-9-yl]-2-methylpropyl] 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCC(C)(C)C2OCC3(CO2)COC(OC3)C(C)(C)COC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 CGRTZESQZZGAAU-UHFFFAOYSA-N 0.000 description 8
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- 238000000354 decomposition reaction Methods 0.000 description 7
- 239000007790 solid phase Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 238000009998 heat setting Methods 0.000 description 6
- STLLXWLDRUVCHL-UHFFFAOYSA-N [2-[1-[2-hydroxy-3,5-bis(2-methylbutan-2-yl)phenyl]ethyl]-4,6-bis(2-methylbutan-2-yl)phenyl] prop-2-enoate Chemical compound CCC(C)(C)C1=CC(C(C)(C)CC)=CC(C(C)C=2C(=C(C=C(C=2)C(C)(C)CC)C(C)(C)CC)OC(=O)C=C)=C1O STLLXWLDRUVCHL-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000012770 industrial material Substances 0.000 description 5
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 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 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
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- 239000000463 material Substances 0.000 description 4
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- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000005711 Benzoic acid Substances 0.000 description 3
- HOKKHZGPKSLGJE-GSVOUGTGSA-N N-Methyl-D-aspartic acid Chemical compound CN[C@@H](C(O)=O)CC(O)=O HOKKHZGPKSLGJE-GSVOUGTGSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 235000010233 benzoic acid Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
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- 238000001879 gelation Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 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 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 239000000758 substrate Substances 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- 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 2
- YAGPRJYCDKGWJR-UHFFFAOYSA-N 2-(2,4,8,10-tetratert-butylbenzo[d][1,3,2]benzodioxaphosphepin-6-yl)oxy-n,n-bis[2-(2,4,8,10-tetratert-butylbenzo[d][1,3,2]benzodioxaphosphepin-6-yl)oxyethyl]ethanamine Chemical compound O1C2=C(C(C)(C)C)C=C(C(C)(C)C)C=C2C2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2OP1OCCN(CCOP1OC2=C(C=C(C=C2C=2C=C(C=C(C=2O1)C(C)(C)C)C(C)(C)C)C(C)(C)C)C(C)(C)C)CCOP(OC1=C(C=C(C=C11)C(C)(C)C)C(C)(C)C)OC2=C1C=C(C(C)(C)C)C=C2C(C)(C)C YAGPRJYCDKGWJR-UHFFFAOYSA-N 0.000 description 2
- NMSZFQAFWHFSPE-UHFFFAOYSA-N 3-(oxiran-2-ylmethoxycarbonyl)but-3-enoic acid Chemical compound OC(=O)CC(=C)C(=O)OCC1CO1 NMSZFQAFWHFSPE-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- IORUEKDKNHHQAL-UHFFFAOYSA-N [2-tert-butyl-6-[(3-tert-butyl-2-hydroxy-5-methylphenyl)methyl]-4-methylphenyl] prop-2-enoate Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)OC(=O)C=C)=C1O IORUEKDKNHHQAL-UHFFFAOYSA-N 0.000 description 2
- BEIOEBMXPVYLRY-UHFFFAOYSA-N [4-[4-bis(2,4-ditert-butylphenoxy)phosphanylphenyl]phenyl]-bis(2,4-ditert-butylphenoxy)phosphane Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(C=1C=CC(=CC=1)C=1C=CC(=CC=1)P(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)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 BEIOEBMXPVYLRY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
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- 150000001336 alkenes Chemical class 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
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- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920006259 thermoplastic polyimide Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- KLNPWTHGTVSSEU-UHFFFAOYSA-N undecane-1,11-diamine Chemical compound NCCCCCCCCCCCN KLNPWTHGTVSSEU-UHFFFAOYSA-N 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5393—Phosphonous compounds, e.g. R—P(OR')2
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
- C09D177/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Definitions
- the present invention relates to a semi-aromatic polyamide film with reduced fish eyes, which is a defect in appearance, and a method for producing the semi-aromatic polyamide film.
- the semi-aromatic polyamide resin which is a polycondensate of aliphatic diamine and phthalic acid, is excellent in various performances including heat resistance as compared with the aliphatic polyamide resin. Therefore, in recent years, development for using such a semi-aromatic polyamide resin for the use of a film or a molded body has been advanced.
- JP09-01714A describes nylon 9T made of an aliphatic diamine having 9 carbon atoms and terephthalic acid as a semi-aromatic polyamide resin.
- Nylon 9T has a high melting point around 300 ° C. and relatively low water absorption. Therefore, the use of nylon 9T is attracting attention in various industrial applications.
- nylon 9T Since nylon 9T has the characteristics as described above, the film can achieve both heat resistance and dimensional stability, which has been difficult with conventional thermoplastic films. Therefore, the development of nylon 9T as a film material has been actively promoted. In particular, a film obtained from nylon 9T is expected to be applied in the field of so-called industrial films such as electronic / electrical parts and optics.
- PET films are widely used in various industrial applications.
- the reason why PET films are widely used is that it is possible to industrially produce and put to practical use PET films with very little fisheye (defects in appearance due to bulky foreign matter) due to recent quality improvements. Because it became. Even in a film obtained from nylon 9T, it is required to extremely reduce defects such as fish eyes in the film in order to be applied to practical industrial applications.
- JP 2000-186141A discloses that a film using a semi-aromatic polyamide resin composed of an aliphatic diamine having 9 to 12 carbon atoms and terephthalic acid is used.
- a film is produced by the method disclosed in JP2000-186141A, a number of fish-eye defects are generated in the obtained film due to gel-like foreign matters and the like.
- a film having such a defect in appearance there is a big problem in practicality as a film for industrial use.
- the present invention provides a semi-aromatic polyamide film in which the generation of fish eyes is reduced and the high quality that the semi-aromatic polyamide resin originally has is maintained.
- a further object of the present invention is to provide a method for industrially producing such a film.
- the gist of the present invention is as follows.
- a film containing a semi-aromatic polyamide resin composed of a dicarboxylic acid mainly composed of terephthalic acid and a diamine mainly composed of an aliphatic diamine having 9 carbon atoms A semi-aromatic polyamide film, wherein the number of fish eyes having a size of 0.01 mm 2 or more is 100/1000 cm 2 or less.
- a method for producing a semi-aromatic polyamide film according to any one of (1) to (9), wherein a semi-aromatic polyamide resin is melted to obtain a molten polymer, and the molten polymer is subjected to absolute filtration diameter A method for producing a semi-aromatic polyamide film, which is formed into a film after passing through a sintered metal filter of 60 ⁇ m or less.
- (11) The method for producing a semi-aromatic polyamide film according to (10), wherein a metal fiber sintered filter or a metal powder sintered filter is used as the metal sintered filter.
- the present invention it is possible to provide a high-quality semi-aromatic polyamide film with reduced fish eyes, which are defects in appearance. Therefore, the semi-aromatic polyamide film of the present invention can be suitably used for applications such as industrial materials, industrial materials, and household goods.
- the semi-aromatic polyamide film as described above can be produced industrially efficiently.
- the semi-aromatic polyamide film of the present invention is a semi-aromatic polyamide resin comprising a dicarboxylic acid component mainly composed of terephthalic acid and a diamine component mainly composed of an aliphatic diamine having 9 carbon atoms (generally nylon 9T)).
- the semi-aromatic polyamide resin used in the present invention will be described.
- the dicarboxylic acid component constituting the semi-aromatic polyamide resin it is necessary to contain terephthalic acid as a main component.
- the proportion of terephthalic acid in the dicarboxylic acid component is preferably 60 to 100 mol%, more preferably 70 to 100 mol%, still more preferably 85 to 100 mol%.
- the heat resistance and low water absorption of the resulting film may be lowered, which is not preferable.
- Dicarboxylic acid components other than terephthalic acid contained in the dicarboxylic acid component constituting the semi-aromatic polyamide resin include oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, sebacic acid, dodecanedioic acid, tetradecanedioic acid And aliphatic dicarboxylic acids such as octadecanedioic acid, and aromatic dicarboxylic acids such as 1,4-naphthalenedicarboxylic acid, 1,3-naphthalenedicarboxylic acid, 1,2-naphthalenedicarboxylic acid, and isophthalic acid.
- the diamine component of the semi-aromatic polyamide resin it is necessary to contain an aliphatic diamine having 9 carbon atoms as a main component.
- the proportion of the aliphatic diamine having 9 carbon atoms in the diamine component is preferably 60 to 100 mol%, more preferably 75 to 100 mol%, and still more preferably 90 to 100 mol%.
- the proportion of the aliphatic diamine having 9 carbon atoms is less than 60 mol%, the heat resistance, low water absorption, and chemical resistance of the resulting film may be lowered, which is not preferable.
- Examples of the aliphatic diamine having 9 carbon atoms include branched aliphatic diamines such as 1,9-nonane diamine, 2-methyl-1,8-octane diamine, 4-methyl-1,8-octane diamine and the like. Examples thereof include chain aliphatic diamines. These may be used alone or in combination of two or more. Among these, it is preferable to use 1,9-nonanediamine and 2-methyl-1,8-octanediamine in combination from the viewpoint of moldability.
- Examples of the diamine other than the aliphatic diamine having 9 carbon atoms contained in the diamine component constituting the semi-aromatic polyamide include 1,4-butanediamine, 1,5-pentanediamine, and 1,6-hexanediamine.
- Linear aliphatic diamines such as 1,7-heptanediamine, 1,8-octanediamine, 1,10-decanediamine, 1,11-undecanediamine, 1,12-dodecanediamine, 4-methyl-1, Branched-chain aliphatic diamines such as 8-octaneamine and 5-methyl-1,9-nonanediamine, alicyclic diamines such as isophorone diamine, norbornane dimethylamine and tricyclodecane dimethylamine, and aromatic diamines such as phenylenediamine Can be mentioned.
- the semi-aromatic polyamide resin may be copolymerized with lactams such as ⁇ -caprolactam, ⁇ -enantolactam, ⁇ -capryllactam, and ⁇ -laurolactam as long as the object of the present invention is not impaired. .
- a dicarboxylic acid component consisting only of terephthalic acid, 1,9-nonanediamine and 2-methyl-1,8-octanediamine
- a semi-aromatic polyamide resin composed of a diamine component containing 60 to 100 mol% of the diamine component in the diamine component is preferred.
- a semi-aromatic polyamide resin in which 1,9-nonanediamine and 2-methyl-1,8-octanediamine are used in the above proportions can be a film having excellent heat resistance and low water absorption.
- the type of monomer constituting the semi-aromatic polyamide resin and the composition thereof are such that the melting point of the resulting semi-aromatic polyamide resin (hereinafter sometimes abbreviated as “Tm”) is in the range of about 280 to 350 ° C. It is preferable to be selected as follows. By making Tm of a semi-aromatic polyamide resin into this range, the thermal decomposition of the semi-aromatic polyamide resin at the time of processing into a film can be suppressed. If the Tm of the semi-aromatic polyamide resin is less than 280 ° C., the resulting film may have insufficient heat resistance. On the other hand, if Tm exceeds 350 ° C., thermal decomposition may occur during film production.
- the intrinsic viscosity of the semi-aromatic polyamide resin is preferably 0.8 to 2.0 dl / g, and more preferably 0.9 to 1.8 dl / g. By setting the intrinsic viscosity of the semi-aromatic polyamide resin within this range, a film having excellent mechanical properties can be obtained. If the intrinsic viscosity of the semiaromatic polyamide resin is less than 0.8 dl / g, it may be difficult to form a film and maintain the film shape. On the other hand, when it exceeds 2.0 dl / g, adhesion to a cooling roll becomes difficult during film production, and the appearance of the film may be deteriorated.
- the semi-aromatic polyamide resin can be produced using any method known as a method for producing a crystalline polyamide resin.
- a prepolymer is prepared from a solution polymerization method or an interfacial polymerization method using an acid chloride and a diamine component as raw materials, or a dicarboxylic acid component and a diamine component as raw materials, and the prepolymer is melt-polymerized or solid-phase polymerized to obtain a high molecular weight. The method of making it.
- the prepolymer can be obtained, for example, by subjecting a nylon salt prepared by batch mixing a diamine component, a dicarboxylic acid component and a polymerization catalyst to heat polymerization at a temperature of 200 to 250 ° C.
- the intrinsic viscosity of the prepolymer is preferably 0.1 to 0.6 dl / g.
- the polymerization rate can be increased without causing the collapse of the molar balance of the carboxyl group in the dicarboxylic acid component and the amino group in the diamine component.
- the intrinsic viscosity of the prepolymer is less than 0.1 dl / g, the polymerization time becomes long and the productivity may be inferior.
- it exceeds 0.6 dl / g the semi-aromatic polyamide resin obtained may be colored.
- the solid phase polymerization of the prepolymer is preferably performed under reduced pressure or under an inert gas flow. Further, the temperature of solid phase polymerization is preferably 200 to 280 ° C. By setting the temperature of solid phase polymerization within this range, coloring and gelation of the obtained semi-aromatic polyamide resin can be suppressed. If the temperature of the solid-phase polymerization is less than 200 ° C., the polymerization time may be long, resulting in poor productivity. On the other hand, when the temperature exceeds 280 ° C., coloring or gelation may occur in the obtained semi-aromatic polyamide resin.
- the melt polymerization of the prepolymer is preferably performed at a temperature of 350 ° C. or lower.
- the polymerization temperature exceeds 350 ° C., decomposition and thermal deterioration of the semi-aromatic polyamide resin may be promoted. Therefore, a film obtained from such a semi-aromatic polyamide resin may be inferior in strength and appearance.
- the above melt polymerization includes melt polymerization using a melt extruder.
- a polymerization catalyst is used.
- a phosphorus-based catalyst is preferably used from the viewpoints of reaction rate and economy.
- the phosphorus-based catalyst include hypophosphorous acid, phosphorous acid, phosphoric acid, salts thereof (for example, sodium hypophosphite), and esters thereof [for example, 2,2-methylenebis (di-t -Butylphenyl) octyl phosphite etc.]. These may be used alone or in combination of two or more.
- a semi-aromatic polyamide resin obtained by polymerization using phosphorous acid as a polymerization catalyst is more preferable.
- the filter can be used in film formation as compared with the case of using a semi-aromatic polyamide resin polymerized using another polymerization catalyst (for example, hypophosphorous acid catalyst).
- the increase in the filtration pressure during the filtration due to the use of can be suppressed.
- played by suppressing the raise of filtration pressure is mentioned later.
- the content of the polymerization catalyst in the obtained semi-aromatic polyamide resin is preferably 0.01 to 5% by mass, and 0.05 to 2% by mass with respect to the total amount of the dicarboxylic acid component and the diamine component. More preferably, it is 0.07 to 1% by mass.
- an end-capping agent may be used together with the diamine component, dicarboxylic acid component and polymerization catalyst.
- a terminal blocking agent is not particularly limited as long as it is a monofunctional compound having reactivity with an amino group or a carboxyl group at the terminal of the semi-aromatic polyamide resin.
- examples of the end capping agent include monocarboxylic acids, monoamines, acid anhydrides, monoisocyanates, monoacid halides, monoesters, and monoalcohols.
- monocarboxylic acids or monoamines are preferable from the viewpoints of reactivity and stability of the sealed end groups.
- monocarboxylic acid is more preferable from the viewpoint of easy handling.
- the monocarboxylic acid include acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, caprylic acid, lauric acid, tridecylic acid, myristic acid, palmitic acid, stearic acid, benzoic acid and the like.
- the amount of the end-capping agent used can be appropriately selected depending on the reactivity, boiling point, reaction apparatus, reaction conditions, etc. of the end-capping agent used.
- the amount of the end-capping agent used is preferably 0.1 to 15 mol% with respect to the total number of moles of the dicarboxylic acid component and the diamine component, from the viewpoint of adjusting the molecular weight and suppressing the decomposition of the resin.
- the end group of the molecular chain is sealed with the above-described end-capping agent.
- the ratio of the end-capped end group amount to the total amount of end groups is preferably 10 mol% or more, more preferably 40 mol% or more, and even more preferably 70 mol% or more.
- the semi-aromatic polyamide film of the present invention containing the semi-aromatic polyamide resin as described above is prevented from being deteriorated in appearance due to fish eyes. More specifically, 0.01 mm 2 or more the size of the fish eyes must be at 100/1000 cm 2 or less, preferably 50 pieces / 1000 cm 2 or less, 20/1000 cm 2 or less More preferably. When the number of fish eyes having a size of 0.01 mm 2 or more in the semi-aromatic polyamide film exceeds 100/1000 cm 2 , the bad appearance of the resulting film is conspicuous and the commercial value is impaired.
- the semi-aromatic polyamide film of the present invention increases thermal stability at the time of film formation, prevents deterioration of the strength and elongation of the film, and prevents deterioration of the film due to oxidation or decomposition during use. It is preferable to contain a heat stabilizer.
- the heat stabilizer include a hindered phenol heat stabilizer, a hindered amine heat stabilizer, a phosphorus heat stabilizer, a sulfur heat stabilizer, and a bifunctional heat stabilizer.
- hindered phenol-based heat stabilizer examples include Irganox 1010 (Irganox 1010, manufactured by BASF Japan, chemical formula name: pentaerythritol tetrakis [3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate].
- Irganox 1076 (Irganox 1076, manufactured by BASF Japan, registered trademark, chemical formula name: octadecyl-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate), Sianox 1790 (Cyanox 1790, manufactured by Cyanamid) , Registered trademark, chemical formula name: 1,3,5-tris (4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl) isocyanuric acid), Irganox 1098 (Irganox 1098, manufactured by BASF Japan Ltd.) Registered trademark, chemical formula name: N, N ′-(hexane-1,6-diyl) bis [3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionamide]), Sumilizer GA-80 ( Sumilizer GA-80, manufactured by Sumitomo Chemical Co., Ltd., registered trademark, chemical formula name: 3,9-bis [2- ⁇ 3- (3-
- Examples of the hindered amine heat stabilizer include Nyrostab S-EED (Nylostab S-EED, registered trademark, manufactured by Clariant Japan, chemical formula name: 2-ethyl-2'-ethoxy-oxalanilide).
- Examples of phosphorus heat stabilizers include Irgafos 168 (Irgafos 168, manufactured by BASF Japan, registered trademark, chemical formula name: Tris (2,4-di-tert-butylphenyl) phosphite), Irgafos 12 (Irgafos12, BASF Japan).
- DSTP Yamamototomi
- Yoshitomi Co. registered trademark, chemical formula name: distearyl thiodipropionate
- Seenox 412S manufactured by Cypro Kasei Co., registered trademark, chemical formula name: pentaerythritol tetrakis- 3-dodecylthiopropionate
- Cyanox 1212 manufactured by Cyanamid Co., Ltd., registered trademark, chemical formula name: lauryl stearyl thiodipropionate
- bifunctional heat stabilizer examples include Sumilizer GM (manufactured by Sumitomo Chemical Co., Ltd., registered trademark, chemical formula name: 2-tert-butyl-6- (3-tert-butyl-2-hydroxy-5-methylbenzyl)- 4-methylphenyl acrylate), Sumilizer GS (manufactured by Sumitomo Chemical Co., Ltd., registered trademark, chemical formula name: 2- [1- (2-hydroxy-3,5-di-tert-pentylphenyl) ethyl] -4,6-di -Tert-pentylphenyl acrylate) and the like.
- Sumilizer GM manufactured by Sumitomo Chemical Co., Ltd., registered trademark, chemical formula name: 2-tert-butyl-6- (3-tert-butyl-2-hydroxy-5-methylbenzyl)- 4-methylphenyl acrylate
- Sumilizer GS manufactured by Sumitomo Chemical Co., Ltd., registered trademark, chemical
- a phosphorus-based heat stabilizer is preferable, a phosphorus-based heat stabilizer represented by the general formula (I) is more preferable, and R of the general formula (I) More preferred are phosphorus-based heat stabilizers in which 1 to R 4 are all 2,4-di-tert-butyl-5-methylphenyl groups.
- R 1 to R 4 are independently hydrogen, 2,4-di-tert-butyl-5-methylphenyl group, or 2,4-di-tert-butylphenyl. Indicates a group.
- Examples of the phosphorus-based heat stabilizer represented by the general formula (I) include Hostanox P-EPQ, GSY-P101, and the like.
- a hindered phenol heat stabilizer is preferred.
- the thermal decomposition temperature of the hindered phenol heat stabilizer is preferably 320 ° C. or higher, and more preferably 350 ° C. or higher.
- Examples of hindered phenol heat stabilizers having a thermal decomposition temperature of 320 ° C. or higher include Sumilizer GA-80.
- the hindered phenol heat stabilizer has an amide bond, it is possible to prevent deterioration of film strength. Irganox 1098 is mentioned as a hindered phenol heat stabilizer having an amide bond.
- a bifunctional heat stabilizer is used in combination with the hindered phenol heat stabilizer, the deterioration of the film strength can be further reduced.
- heat stabilizers may be used alone or in combination.
- a hindered phenol-based heat stabilizer and a phosphorus-based heat stabilizer are used in combination, it is possible to prevent pressure increase of the filter during film formation, and to prevent deterioration of film strength.
- a hindered phenol heat stabilizer, a phosphorus heat stabilizer, and a bifunctional heat stabilizer are used in combination, it is possible to prevent pressurization of the filter during film formation, further reducing deterioration in film strength. can do.
- a combination of Hostanox P-EPQ or GSY-P101 and Sumilizer GA-80 or Irganox 1098 is preferable.
- a combination of a hindered phenol heat stabilizer, a phosphorus heat stabilizer, and a bifunctional heat stabilizer a combination of HostanoxP-EPQ or GSY-P101, Sumilizer GA-80 or Irganox 1098, and Sumilizer GS is preferable.
- a combination of GSY-P101, Sumilizer GA-80 and Sumilizer GS is more preferred.
- the content of the heat stabilizer in the semiaromatic polyamide film of the present invention is preferably 0.01 to 2 parts by mass, and 0.05 to 1 with respect to 100 parts by mass of the semiaromatic polyamide resin. More preferably, it is part by mass.
- the content of the heat stabilizer is less than 0.01 parts by mass, decomposition may not be suppressed. On the other hand, when it exceeds 2 mass parts, it may become economically disadvantageous.
- each content of each heat stabilizer and the total content of a heat stabilizer are in said range.
- the semi-aromatic polyamide film of the present invention preferably contains lubricant particles in order to improve slipperiness.
- lubricant particles include inorganic particles such as silica, alumina, titanium dioxide, calcium carbonate, kaolin, and barium sulfate, and organic fine particles such as acrylic resin particles, melamine resin particles, silicone resin particles, and crosslinked polystyrene particles.
- the average particle size of the lubricant particles can be appropriately selected according to required properties such as frictional properties and optical properties. From the viewpoint of optical properties, 0.05 to 5.0 ⁇ m is preferable.
- the semi-aromatic polyamide film of the present invention may contain various additives as necessary within a range not impairing the effects of the present invention.
- Additives include pigments, dyes and other colorants, anti-coloring agents, antioxidants, weather resistance improvers, flame retardants, plasticizers, mold release agents, reinforcing agents, modifiers, antistatic agents, UV absorbers , Antifogging agents, various polymer resins and the like.
- pigments examples include titanium oxide.
- weather resistance improver examples include benzotriazole compounds.
- flame retardant examples include bromine-based flame retardant and phosphorus-based flame retardant.
- reinforcing agent examples include talc.
- the haze of the semi-aromatic polyamide film of the present invention is preferably 10% or less, more preferably 5% or less, and further preferably 2% or less.
- techniques such as adjusting the particle diameter and content of the additive and adjusting the heat treatment conditions are employed.
- the thickness unevenness of the semi-aromatic polyamide film of the present invention is preferably 10% or less, more preferably 8% or less, and further preferably 6% or less.
- a technique such as adjusting the shape of the unstretched film or adjusting the stretching conditions is employed. The definition and measurement method of thickness unevenness will be described in detail in Examples.
- the heat shrinkage rate of the semi-aromatic polyamide film of the present invention is preferably small.
- the thermal contraction rate by heating with hot air at 200 ° C. for 15 minutes is preferably 3.0% or less, more preferably 1.0% or less, and further preferably 0.5% or less.
- a method such as adjusting the conditions of heat treatment or relaxation treatment is employed.
- the tensile strength of the semi-aromatic polyamide film of the present invention is preferably 150 MPa or more in both the length direction (TD) and the width direction (MD), and the tensile elongation is 60% or more in both TD and MD. It is preferable.
- a technique such as adjusting the condition of the draw ratio is adopted.
- the semi-aromatic polyamide film of the present invention can be subjected to a treatment for improving the adhesion of the surface, if necessary.
- a treatment for improving the adhesion include corona treatment, plasma treatment, acid treatment, and flame treatment.
- the surface of the semi-aromatic polyamide film of the present invention may be coated with various coating agents in order to impart functions such as easy adhesion, antistatic properties, releasability, and gas barrier properties.
- coating agents coating materials for gas barriers such as aqueous polyvinyl alcohol and polyvinylidene chloride, paints for easy adhesion typified by dispersions such as urethanes, esters, olefins, surfactants, conductive polymers, Antistatic coatings such as carbon and metal oxides, UV absorbing coatings such as hindered amines and zinc oxides, hard coatings such as acrylics and silane coupling agents, silicones and olefins Examples include mold paints.
- dispersions such as urethanes, esters, olefins, surfactants, conductive polymers
- Antistatic coatings such as carbon and metal oxides
- UV absorbing coatings such as hindered amines and zinc oxides
- hard coatings such as acrylics and silane coupling agents, silicones and olefins Examples include mold paints.
- a coating agent when apply
- a coating agent may be applied immediately before the stretching machine and further dried in a preheating section of the stretching machine to form a film.
- the surface of the semi-aromatic polyamide film of the present invention may be laminated with an inorganic substance such as a metal or its oxide, other polymers, paper, woven fabric, non-woven fabric, wood or the like.
- an inorganic substance such as a metal or its oxide, other polymers, paper, woven fabric, non-woven fabric, wood or the like.
- inorganic substances examples include aluminum, alumina, and silica.
- polymers include, for example, high density polyethylene, medium density polyethylene, low density polyethylene, linear low density polyethylene, ultra high molecular weight polyethylene, polypropylene, ethylene / propylene copolymer (EPR), and ethylene / butene copolymer.
- EPR ethylene / propylene copolymer
- EBR ethylene / vinyl acetate copolymer
- EAA ethylene / vinyl acetate copolymer saponified product
- EAA ethylene / acrylic acid copolymer
- EMMA ethylene / methacrylic acid copolymer
- EAA Polyolefin resins such as ethylene / methyl acrylate copolymer (EMA), ethylene / methyl methacrylate copolymer (EMMA), and ethylene / ethyl acrylate copolymer (EEA), acrylic acid, methacrylic acid, maleic acid, Fumaric acid, itaconic acid, crotonic acid, mesaconic acid, citraco Carboxyl group-containing unsaturated compounds such as acid, glutaconic acid, cis-4-cyclohexene-1,2-dicarboxylic acid, endobicyclo- [2.2.1] -5-heptene-2,3-dicarboxylic acid, and metals thereof Acids such as salts (
- the method for producing a semi-aromatic polyamide film of the present invention is obtained by melting a semi-aromatic polyamide resin to obtain a molten polymer, passing the molten polymer through a sintered metal filter having an absolute filtration diameter of 60 ⁇ m or less, and then forming the film. To do.
- the manufacturing method is as follows. That is, the semi-aromatic polyamide resin and, if necessary, a heat stabilizer and various additives are melt-kneaded with an extruder to obtain a molten polymer.
- the molten polymer is filtered through a filter, and the filtered molten polymer is extruded into a film using a flat die such as a T die.
- a semi-aromatic polyamide film can be obtained by bringing the film-like melt into contact with the cooling surface of a moving cooling body such as a cooling roll or a steel belt and cooling it.
- This semi-aromatic polyamide film is a substantially unoriented unstretched film.
- a raw material of semi-aromatic polyamide resin As a raw material of semi-aromatic polyamide resin, a non-standard film produced when manufacturing a film or a scrap mixture generated as an ear trim mixed with a virgin raw material (semi-aromatic polyamide resin containing no impurities) May be used. In that case, these mixtures can be used as a raw material by dry blending or melt-kneading the virgin raw material.
- the filter for filtering the molten polymer it is preferable to use a sintered metal filter having an absolute filtration diameter of 60 ⁇ m or less.
- a metal fiber sintered filter it is more preferable to use
- a metal fiber sintered filter is more preferable because it is easy to suppress an increase in filtration pressure during filtration.
- the above-mentioned fine lump may not be sufficiently removed. As a result, in the obtained film, the generation of fish eyes may not be sufficiently reduced.
- the absolute filtration diameter is defined by the size of the largest glass bead particle size that has passed through the filter medium (filter medium), measured according to the method of JIS-B8356.
- the nominal filtration diameter is defined by the size of a contaminant particle size (particle size of foreign matter) measured according to the method of JIS-B8356 and having a trapping efficiency of 95% with a filter medium.
- the metal fiber sintered filter may be a single layer or may have a structure in which two or more layers having different filtration diameters are laminated.
- the absolute filtration diameter of the sintered metal filter is preferably 60 ⁇ m or less, more preferably 50 ⁇ m or less, further preferably 30 ⁇ m or less, and particularly preferably 20 ⁇ m or less.
- the smaller the absolute filtration diameter the higher the effect of removing foreign substances that cause fish eyes. Thereby, a fish eye is reduced and it becomes possible to manufacture the film excellent in the external appearance. If the absolute filtration diameter exceeds 60 ⁇ m, fish eyes cannot be sufficiently suppressed.
- the molten polymer when the molten polymer is filtered by the sintered filter, it is efficient to use a semi-aromatic polyamide polymerized using a specific catalyst or a semi-aromatic polyamide polymerized using a specific heat stabilizer. It is possible to simultaneously remove foreign matters and prevent an increase in filtration pressure. More specifically, when a semi-aromatic polyamide polymerized by a phosphorous acid catalyst is filtered through a sintered metal filter, the increase in filtration pressure caused by an increase in the filtration amount is reduced by other catalysts such as hypochlorous acid. It can suppress rather than the case where the polymer polymerized by the phosphoric acid catalyst is filtered, and can improve a filter lifetime.
- the extrusion temperature of the molten polymer is preferably not less than the melting point of the semi-aromatic polyamide resin and not more than 350 ° C. When the extrusion temperature exceeds 350 ° C., decomposition and thermal deterioration of the semi-aromatic polyamide resin may be promoted.
- the temperature of the moving cooling body used for film formation is preferably set to 40 to 90 ° C, more preferably set to 45 to 70 ° C, and set to 45 to 60 ° C. Further preferred. If the set temperature of the moving cooling body exceeds 90 ° C. and is too high, it may be difficult to peel off the moving cooling body of the obtained film. Further, if the temperature of the cooling moving body is too low, such as less than 40 ° C., when the film-like melt comes into contact with the moving cooling body, uneven cooling tends to occur, and the flatness of the resulting film may be impaired. .
- a method in which the molten polymer is uniformly adhered to the moving cooling body and cooled and solidified examples include an air knife casting method, an electrostatic application method, and a vacuum chamber method.
- a process for reducing the surface roughness is performed. It is preferred that Examples of the method for reducing the surface roughness include a method of modifying with a substance having a low polarity and a method of depositing silicon nitride or diamond-like carbon.
- the production method of the present invention it is preferable to preheat and stretch an unstretched film of a semi-aromatic polyamide resin.
- the thickness of the obtained stretched film is preferably 0.5 ⁇ m to 1.5 mm.
- Examples of the method for stretching the film include a flat sequential biaxial stretching method, a flat simultaneous biaxial stretching method, and a tubular method. Among them, it is preferable to employ the flat simultaneous biaxial stretching method from the viewpoint of making the film thickness accuracy good and making the physical properties in the width direction of the film uniform.
- a stretching device for adopting the flat simultaneous biaxial stretching method a screw type tenter, a pantograph type tenter, a linear motor driven clip type tenter, or the like can be used.
- the draw ratio of the film is preferably in the range of 1.5 to 10 times in MD and TD, respectively, and 2 to 5 times. It is more preferable that
- the stretching strain rate is preferably more than 400% / min, more preferably 800% / min to 12000% / min, more preferably 1200%. More preferably, it is not less than / min and not more than 6000% / min. By setting the stretching strain rate within this range, the unstretched film can be stretched without breaking.
- the preheating temperature for preheating the film before stretching is preferably (Tg ⁇ 20 ° C.) to (Tg + 40 ° C.), more preferably (Tg ⁇ 15 ° C.) to (Tg + 35 ° C.). preferable.
- stretching can be stably performed without causing stretching unevenness or film breakage. If it is less than (Tg ⁇ 20 ° C.), the film may not be deformed at the time of stretching and may break. On the other hand, if it exceeds (Tg + 40 ° C.), it may crystallize before stretching and break at stretching. May occur.
- Tg represents a glass transition temperature.
- the preheating time of the film before stretching is not particularly limited, and 1 to 60 seconds is a practical range.
- the stretching temperature of the film is preferably Tg or more, and preferably exceeds Tg (Tg + 50 ° C.) or less. By setting the stretching temperature within this range, the stretching can be stably performed without causing stretching unevenness or film breakage. If it is less than Tg, the film may break. On the other hand, if it exceeds (Tg + 50 ° C.), stretching unevenness may appear.
- the stretching it is preferable to perform a heat setting process while holding the film with a clip for stretching.
- the heat setting treatment By performing the heat setting treatment, the dimensional stability of the obtained film at a high temperature can be improved.
- the heat setting treatment temperature is preferably 200 ° C. to (Tm ⁇ 5 ° C.), more preferably 240 ° C. to (Tm ⁇ 10 ° C.), from the viewpoint of heat resistance and dimensional stability of the film.
- the heat setting treatment it is preferable to perform a 1 to 10% relaxation treatment, more preferably a 3 to 7% relaxation treatment while holding the film with a clip.
- a 1 to 10% relaxation treatment more preferably a 3 to 7% relaxation treatment while holding the film with a clip.
- the obtained semi-aromatic polyamide film may be a single sheet or may be in the form of a film roll by being wound on a winding roll. From the viewpoint of productivity when used in various applications, it is preferable to use a film roll. When it is a film roll, it may be slit to a desired width.
- the semi-aromatic polyamide film of the present invention obtained as described above, due to the characteristics inherent in nylon 9T, compared to a conventional polyamide film using a polyamide resin other than nylon 9T, Excellent mechanical properties, flexibility and adhesion, heat resistance, moist heat resistance, chemical resistance, and low water absorption. Furthermore, the generation of fish eyes in the film is reduced. For this reason, it can be suitably used in the following fields.
- pharmaceutical packaging materials such as retort foods, electronic component packaging materials for semiconductor packages, electrical insulation materials for motors, transformers, cables, etc., dielectric materials for capacitor applications, cassette tapes, digital data Magnetic tapes for data storage for storage, magnetic tape materials such as video tapes, solar cell substrates, liquid crystal plates, conductive films, protective plates for display devices, LEDs mounting substrates, flexible printed wiring boards, flexible flat cables, etc.
- Heat-resistant adhesive tapes such as substrate materials, flexible printed wiring coverlay films, heat-resistant masking tapes, industrial process tapes, heat-resistant bar code labels, heat-resistant reflectors, various release films, heat-resistant adhesive base films, photographic films, molding materials , Agricultural materials , Medical materials, civil engineering, building material, such as filtration membranes, domestic, as such a film for industrial materials can be suitably used.
- the physical properties of the semi-aromatic polyamide resin and the semi-aromatic polyamide film were measured by the following method.
- the measurement was performed in an environment of a temperature of 20 ° C. and a humidity of 65%.
- Intrinsic viscosity of semi-aromatic polyamide resin In a concentrated sulfuric acid having a concentration of 96% by mass, the semi-aromatic polyamide resin was added at 30 ° C. to 0.05 g / dl, 0.1 g / dl, 0, respectively.
- the reduced viscosity of the semi-aromatic polyamide resin was determined by dissolving in a concentration of 0.2 g / dl and 0.4 g / dl. And the value which extrapolated the density
- Thermal decomposition temperature 10 mg of semi-aromatic polyamide resin was heated from 30 ° C. to 500 ° C. at a rate of 20 ° C./min in a nitrogen atmosphere using a thermogravimetric measuring device (Perkin Elmer, “TGA-7”). did. The temperature at which 5% by mass decreased with respect to the mass before the temperature increase was defined as the thermal decomposition temperature.
- the semi-aromatic polyamide resin was put into a single-screw extruder heated at a cylinder temperature of 320 ° C., melted, filtered through a flat plate filter having a breaker plate on the back, and then heated to 320 ° C. Extruded from a heated T die. During extrusion, the amount of extrusion was set so that the flow rate per unit area of the filter would be 1 kg / cm 2 / hour. The pressure upstream of the filter was recorded over time. The time from the start of extrusion until the filter upstream pressure change reached 10 MPa was measured.
- Haze of film Haze was measured according to JIS K7136 using a turbidimeter (manufactured by Nippon Denshoku Industries Co., Ltd., “NDH2000”).
- Semi-aromatic polyamide resins B to E As shown in Table 1, semi-aromatic polyamide resins B to E were prepared in the same manner as the semi-aromatic polyamide resin A except that the composition of the raw material monomer and the type and amount of the polymerization catalyst were changed. did.
- Table 1 shows the compositions and characteristic values of the semi-aromatic polyamide resins A to E.
- Hindered phenol stabilizer (1) GA 3,9-bis [2- ⁇ 3- (3-tert-butyl-4-hydroxy-5-methylphenyl) propionyloxy ⁇ -1,1-dimethylethyl] -2,4,8,10-tetraoxaspiro [5.5] Undecane, (manufactured by Sumitomo Chemical Co., Ltd., “Sumilyzer GA-80”, thermal decomposition temperature: 392 ° C.) (2) 1098 N, N ′-(hexane-1,6-diyl) bis [3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionamide] (manufactured by BASF Japan, “Irganox 1098”, Thermal decomposition temperature: 344 ° C) B.
- Phosphorus stabilizer (1) 168 Tris (2,4-di-tert-butylphenyl) phosphite (manufactured by BASF Japan, “Irgaphos 168”) (2) GSY Tetrakis (2,4-di-tert-butyl-5-methylphenyl) -4,4′-biphenylenediphosphonite (manufactured by Sakai Chemical Industry Co., Ltd., “GSY-P101” (registered trademark)) (3) EPQ Tetrakis (2,4-di-tert-butylphenyl) 4,4′-biphenylenediphosphonite (manufactured by Clariant, “Hostanox P-EPQ”)
- NF-07 Sintered metal fiber filter (manufactured by Nippon Seisen Co., Ltd., “NF-07”, nominal filtration diameter: 15 ⁇ m, absolute filtration diameter: 15 ⁇ m)
- NF-10 Metal fiber sintered filter (manufactured by Nippon Seisen Co., Ltd., “NF-10”, nominal filtration diameter: 30 ⁇ m, absolute filtration diameter: 30 ⁇ m)
- NF-13 Metal fiber sintered filter (manufactured by Nippon Seisen Co., Ltd., “NF-13”, nominal filtration diameter: 60 ⁇ m, absolute filtration diameter: 60 ⁇ m)
- NPM-50 Sintered metal powder filter (Nippon Seisen Co., Ltd., “NPM-50”, nominal filtration diameter: 50 ⁇ m, absolute filtration diameter: 50 ⁇ m)
- # 400 plain weave wire mesh filter (manufactured by Nippon Seisen Co., Ltd., “NM5P-38”, nominal filtration
- Example 1 100 parts by mass of semi-aromatic polyamide resin A and 0.2 parts by mass of GA are introduced into a single screw extruder having a screw diameter of 50 mm and heated to a temperature of 320 ° C. Got.
- the molten polymer was filtered using a metal fiber sintered filter (“NF-10” manufactured by Nippon Seisen Co., Ltd., absolute particle size: 30 ⁇ m). Then, it extruded from the T die set to 320 degreeC in the film form, and was set as the film-form melt. On the cooling roll set to 50 degreeC, this melt was closely_contact
- NF-10 manufactured by Nippon Seisen Co., Ltd., absolute particle size: 30 ⁇ m
- the cooling roll used was coated with ceramic (Al 2 O 3) to 0.15mm thickness on the surface.
- a tungsten wire having a diameter of 0.2 mm was used as an electrode for electrostatic application.
- a voltage of 6.5 kV was applied using a DC high-voltage generator of 300 W (15 kV ⁇ 20 mA).
- the extrusion amount of the molten polymer was set so that the flow rate per unit area of the filter was 1 kg / cm 2 / hour. Even when an unstretched film was formed continuously for 6 hours, no pressure increase of the filter was observed, and it was possible to stably produce a semi-aromatic polyamide film.
- this unstretched film was guided to a tenter type simultaneous biaxial stretching machine (inlet width: 193 mm, outlet width: 605 mm) to perform simultaneous biaxial stretching.
- the stretching conditions are as follows: the temperature of the preheating portion is 120 ° C., the temperature of the stretching portion is 130 ° C., the stretching strain rate in the MD direction is 2400% / min, the stretching strain rate in the TD direction is 2760% / min, and the stretching ratio in the MD direction is The draw ratio in the TD direction was 3.0 times and 3.3 times.
- Example 1 The evaluation results of Example 1 are shown in Table 2.
- Examples 2, 4 to 16, Comparative Examples 1 to 4 As shown in Table 2 and Table 3, except for changing the type and content ratio of the semi-aromatic polyamide resin, the type and content ratio of the heat stabilizer, and the type of filter to be used, as in Example 1, A semi-aromatic polyamide film was produced.
- Example 3 As shown in Table 2, except that the type and content ratio of the semi-aromatic polyamide resin, the type and content ratio of the heat stabilizer, and the type of filter used were changed, and the heat setting temperature in the tenter was changed to 230 ° C. A semi-aromatic polyamide film was produced in the same manner as in Example 1.
- Examples 17 and 18 The physical properties of the unstretched film obtained in the process of producing the semi-aromatic polyamide film in Example 1 and Example 16 were evaluated, and were evaluated as Examples 17 and 18, respectively. The films obtained in Examples 17 and 18 were not evaluated except for the thickness and the number of fish eyes.
- Tables 2 and 3 show the compositions, production conditions and film evaluation of the semi-aromatic polyamide films in Examples 1 to 18 and Comparative Examples 1 to 4.
- the semi-aromatic polyamide films obtained in Examples 1 to 16 were formed into films by filtering the molten polymer with a metal fiber sintered filter or a metal powder sintered filter having an absolute filtration diameter of 60 ⁇ m or less. Therefore, the number of fish eyes of the obtained semi-aromatic polyamide film was as small as 100/1000 cm 2 or less, and the appearance was excellent. Moreover, it was excellent also in various characteristics. In Examples 17 and 18 in which unstretched films were obtained, the number of fish eyes was sufficiently small.
- Example 6 since the metal powder sintered filter was used as the filter, the increase in the filtration pressure was slightly faster.
- Examples 1 to 10 and 12 to 16 a semi-aromatic polyamide resin obtained by using sodium hypophosphite as a polymerization catalyst instead of phosphorous acid was used.
- a heat stabilizer in general formula (I) Since the indicated phosphorus-based heat stabilizer was used, an increase in filtration pressure was suppressed. In addition, the mechanical properties of the film were good, and the decrease in tensile strength due to heat treatment was small.
- R 1 to R 4 are all 2,4-di-tert-butyl-5-methylphenyl groups, and further the thermal decomposition temperature
- Sumilizer GA-80 a hindered phenol heat stabilizer having a temperature of 320 ° C. or higher, the decrease in tensile strength due to heat treatment was smaller.
- the bifunctional thermal stabilizer was further used in Example 16, compared with Example 13, the decrease in tensile strength was even smaller.
- Comparative Examples 1 and 2 a metal fiber sintered filter having an absolute filtration diameter larger than 60 ⁇ m was used. Therefore, the number of fish eyes in the obtained film was as large as 100/1000 cm 2 or more.
- the semi-aromatic polyamide film of the present invention is of high quality with reduced fish eyes, which are defects in appearance. Therefore, it can be used suitably for applications such as industrial materials, industrial materials, and household goods, and is very effective.
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Abstract
Description
(1)テレフタル酸を主成分とするジカルボン酸と、炭素数が9である脂肪族ジアミンを主成分とするジアミンとから構成される半芳香族ポリアミド樹脂を含有するフィルムであって、フィルム中に存在する0.01mm2以上の大きさのフィッシュアイが100個/1000cm2以下であることを特徴とする半芳香族ポリアミドフィルム。
(2)半芳香族ポリアミド樹脂が亜リン酸触媒を用いて重合されたものであることを特徴とする(1)記載の半芳香族ポリアミドフィルム。
(3)さらに、リン系熱安定剤を含有することを特徴とする(1)または(2)に記載の半芳香族ポリアミドフィルム。
(4)リン系熱安定剤が、下記の一般式(I)で示される化合物であることを特徴とする(3)記載の半芳香族ポリアミドフィルム。
(5)上記の一般式(I)で示される化合物のR1~R4が、すべて2,4-ジ-tert-ブチル-5-メチルフェニル基であることを特徴とする(4)記載の半芳香族ポリアミドフィルム。
(6)さらに、ヒンダードフェノール系熱安定剤を含有することを特徴とする(1)~(5)いずれかに記載の半芳香族ポリアミドフィルム。
(7)ヒンダードフェノール系熱安定剤が、熱重量測定装置により測定される5%重量減少時の熱分解温度が320℃以上であることを特徴とする(6)記載の半芳香族ポリアミドフィルム。
(8)ヒンダードフェノール系熱安定剤が、アミド基を有することを特徴とする(6)または(7)記載の半芳香族ポリアミドフィルム。
(9)さらに、二官能型熱安定剤を含有することを特徴とする(1)~(8)いずれかに記載の半芳香族ポリアミドフィルム。
(10)(1)~(9)のいずれかに記載の半芳香族ポリアミドフィルムを製造する方法であって、半芳香族ポリアミド樹脂を溶融して溶融ポリマーを得、該溶融ポリマーを絶対濾過径60μm以下の金属焼結フィルターを通した後、フィルム状に成形することを特徴とする半芳香族ポリアミドフィルムの製造方法。
(11)金属焼結フィルターとして金属繊維焼結フィルターまたは金属粉末焼結フィルターを用いることを特徴とする(10)に記載の半芳香族ポリアミドフィルムの製造方法。
本発明の半芳香族ポリアミドフィルムは、テレフタル酸を主成分とするジカルボン酸成分と、炭素数が9である脂肪族ジアミンを主成分とするジアミン成分とからなる半芳香族ポリアミド樹脂(一般に、ナイロン9Tと称される)を含有するフィルムである。
半芳香族ポリアミド樹脂を構成するジカルボン酸成分としては、テレフタル酸を主成分として含むことが必要である。ジカルボン酸成分中のテレフタル酸の割合は、60~100モル%が好ましく、70~100モル%がより好ましく、85~100モル%がさらに好ましい。ジカルボン酸成分において、テレフタル酸の割合が60モル%未満の場合には、得られるフィルムの耐熱性、低吸水性が低下する場合があるので好ましくない。
上述のような半芳香族ポリアミド樹脂を含有する本発明の半芳香族ポリアミドフィルムは、フィッシュアイによる外観の低下が防止されている。より具体的には、0.01mm2以上の大きさのフィッシュアイが100個/1000cm2以下であることが必要であり、50個/1000cm2以下であることが好ましく、20個/1000cm2以下であることがさらに好ましい。半芳香族ポリアミドフィルム中の0.01mm2以上の大きさのフィッシュアイが100個/1000cm2を超えると、得られるフィルムの外観の悪さが目立って、商品価値が損なわれてしまう。
本発明の半芳香族ポリアミドフィルムの製造方法は、半芳香族ポリアミド樹脂を溶融して溶融ポリマーを得、該溶融ポリマーを絶対濾過径60μm以下の金属焼結フィルターを通した後、フィルム状に成形するものである。
濃度が96質量%である濃硫酸中に、30℃にて、半芳香族ポリアミド樹脂を、それぞれ、0.05g/dl、0.1g/dl、0.2g/dl、0.4g/dlの濃度となるように溶解させて、半芳香族ポリアミド樹脂の還元粘度を求めた。そして、各々の還元粘度の値を用い、濃度を0g/dlに外挿した値を極限粘度とした。
半芳香族ポリアミド樹脂10mgを、示差走査型熱量計(パーキンエルマー社製、「DSC-7」)を用い、窒素雰囲気下で20℃から350℃まで10℃/分で昇温し(1st Scan)、350℃にて5分間保持した。その後、100℃/分で20℃まで降温し、20℃にて5分間保持後、350℃まで20℃/分でさらに昇温した(2nd Scan)。そして、2nd Scanで観測される結晶融解ピークのピークトップ温度を融点とし、ガラス転移に由来する2つの折曲点の温度の中間点を、ガラス転移温度とした。
半芳香族ポリアミド樹脂10mgを、熱重量測定装置(パーキンエルマー社製、「TGA-7」)を用い、窒素雰囲気下で30℃から500℃まで20℃/分で昇温した。昇温前の質量に対して5質量%が減少した温度を、熱分解温度とした。
半芳香族ポリアミド樹脂を、シリンダー温度を320℃に加熱した単軸押出機に投入して溶融し、背面にブレーカープレートを有する平板フィルターで濾過し、その後、320℃に加熱したTダイから押し出した。押出の際、フィルターの単位面積当たりの流量が1kg/cm2/時間となるように、押出量を設定した。そして、フィルター上流の圧力を経時的に記録した。押出開始からのフィルター上流圧力変化が10MPaに達するまでの時間を測定した。
厚み計(HEIDENHAIN社製、「MT12B」)を用い、フィルムの厚みを測定した。
計測機としてオフラインフィッシュアイカウンター(フロンティアシステム社製)を用い、フィルムにおけるフィッシュアイの数を測定した。より具体的には、ロール状としたフィルム(厚さ:25μm)における任意の10点の位置から、サイズが20cm×20cmであるフィルムを10枚切り出し、大きさが0.01mm2以上であるフィッシュアイの数を計測して平均値を求め、1000cm2当たりに換算した。計測機の検出感度は、日本国立印刷局製造の「きょう雑物測定図表」にしたがって、0.01mm2以上の大きさのゲルまたはフィッシュアイの数を検出することが可能である条件に調整した。
フィルムの全幅方向の中心部の厚みと、フィルムの全巾方向の端部の厚みとを、測定した。測定位置は、フィルムの長手方向1m毎における10点とし、合計で30点(各々の中心部と両端部)の計測値を得た。計測値の最大値をLmax、最小値をLmin、LmaxとLminの平均値をLaとした。そして、以下の式で表される値を厚みムラRとした。
R=[(Lmax-Lmin)/2La]×100
なお、両端部とは、幅方向に沿ったフィルムにおいて、各々の両末端から中心に向かって全幅の10%の距離の位置のことをいう。
濁度計(日本電色工業社製、「NDH2000」)を用い、JIS K7136に従ってヘイズを測定した。
JIS K7133に従って、200℃で15分間熱処理をした際のフィルムの収縮率を、MDおよびTDについて、それぞれ測定した。
250℃の熱風乾燥機中に5分間静置した前後のフィルムのMDおよびTDについて、JIS K7127に従って測定した。サンプルの大きさは10mm×150mm、チャック間の初期距離は100mm、引張速度は500mm/分とした。ただし、実施例3については、熱風乾燥機の温度を230℃とした。
<原料モノマー>
(1)NMDA
1,9-ノナンジアミン
(2)MODA
2-メチル-1,8-オクタンジアミン
(3)TPA
テレフタル酸
(1)PA
亜リン酸
(2)SHP
次亜リン酸ナトリウム
(1)半芳香族ポリアミド樹脂A
1343gのNMDA、237gのMODA、1627gのTPA(平均粒径:80μm)(NMDA:MODA:TPA=85:15:99、モル比)、48.2gの安息香酸(BA)(ジカルボン成分とジアミン成分の総モル数に対して4.0モル%)、3.2gのPA(ジカルボン成分とジアミン成分の合計量に対して0.1質量%)、1100gの水を反応装置に入れ、窒素置換した。さらに、80℃で0.5時間、毎分28回転で撹拌した後、230℃に昇温した。その後、230℃で3時間加熱した。その後冷却し、反応物を取り出した。該反応物を粉砕した後、乾燥機中において、窒素気流下、220℃で5時間加熱し、固相重合してポリマーを得た。そして、シリンダー温度320℃の条件下で溶融混練してストランド状に押し出した。その後、冷却、切断して、ペレット状の半芳香族ポリアミド樹脂Aを調製した。
半芳香族ポリアミド樹脂B~E
表1に示すように、原料モノマーの組成、および重合触媒の種類と配合量を変更する以外は、半芳香族ポリアミド樹脂Aと同様の操作をおこなって、半芳香族ポリアミド樹脂B~Eを調製した。
A.ヒンダードフェノール系安定剤
(1)GA
3,9-ビス[2-{3-(3-t-ブチル-4-ヒドロキシ-5-メチルフェニル)プロピオニルオキシ}-1,1-ジメチルエチル]-2,4,8,10-テトラオキサスピロ[5.5]ウンデカン、(住友化学社製、「スミライザーGA-80」、熱分解温度:392℃)
(2)1098
N,N’-(ヘキサン-1,6-ジイル)ビス[3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオンアミド]、(BASFジャパン社製、「イルガノックス1098」、熱分解温度:344℃)
B.リン系安定剤
(1)168
トリス(2,4-ジ-tert-ブチルフェニル)ホスファイト、(BASFジャパン社製、「イルガフォス168」)
(2)GSY
テトラキス(2,4-ジ-tert-ブチル-5-メチルフェニル)-4,4’-ビフェニレンジホスホナイト、(堺化学工業社製、「GSY-P101」(登録商標))
(3)EPQ
テトラキス(2,4-ジ-tert-ブチルフェニル)4,4’-ビフェニレンジホスホナイト、(クラリアント社製、「Hostanox P-EPQ」)
(1)GS
2-[1-(2-ヒドロキシ-3,5-ジ-tert-ペンチルフェニル)エチル]-4,6-ジ-tert-ペンチルフェニルアクリレート、(住友化学社製、「スミライザーGS」)
(1)NF-07:金属繊維焼結フィルター(日本精線社製、「NF-07」、公称濾過径:15μm、絶対濾過径:15μm)
(2)NF-10:金属繊維焼結フィルター(日本精線社製、「NF-10」、公称濾過径:30μm、絶対濾過径:30μm)
(3)NF-13:金属繊維焼結フィルター(日本精線社製、「NF-13」、公称濾過径:60μm、絶対濾過径:60μm)
(4)NPM-50:金属粉末焼結フィルター(日本精線社製、「NPM-50」、公称濾過径:50μm、絶対濾過径:50μm)
(5)♯400:平織金網フィルター(日本精線社製、「NM5P-38」、公称濾過径:38μm、絶対濾過径:75μm)
(6)♯800:平織金網フィルター(日本精線社製、「NM5P-15」、公称濾過径:15μm、絶対濾過径:60μm)
100質量部の半芳香族ポリアミド樹脂A、および0.2質量部のGAを、シリンダー温度を320℃に加熱した、スクリュー径が50mmである単軸押出機に投入して溶融して、溶融ポリマーを得た。該溶融ポリマーを金属繊維焼結フィルター(日本精線社製、「NF-10」、絶対粒径:30μm)を用いて濾過した。その後、320℃にしたTダイよりフィルム状に押し出し、フィルム状の溶融物とした。50℃に設定した冷却ロール上に、該溶融物を静電印加法により密着させて冷却し、実質的に無配向の未延伸フィルム(厚さ:250μm)を得た。
表2および表3に示したように、半芳香族ポリアミド樹脂の種類と含有割合、熱安定剤の種類と含有割合、および用いるフィルターの種類を変更する以外は、実施例1と同様にして、半芳香族ポリアミドフィルムを製造した。
表2に示したように、半芳香族ポリアミド樹脂の種類と含有割合、熱安定剤の種類と含有割合、および用いるフィルターの種類を変更し、テンター内の熱固定温度を230℃とした以外は、実施例1と同様にして、半芳香族ポリアミドフィルムを製造した。
実施例1および実施例16で半芳香族ポリアミドフィルムを製造する過程で得られる、未延伸フィルムの物性を評価し、それぞれ実施例17、18の評価とした。なお、実施例17および18で得られたフィルムにおいては、厚みおよびフィッシュアイ個数以外の評価をおこなわなかった。
Claims (11)
- テレフタル酸を主成分とするジカルボン酸と、炭素数が9である脂肪族ジアミンを主成分とするジアミンとから構成される半芳香族ポリアミド樹脂を含有するフィルムであって、フィルム中に存在する0.01mm2以上の大きさのフィッシュアイが100個/1000cm2以下であることを特徴とする半芳香族ポリアミドフィルム。
- 半芳香族ポリアミド樹脂が亜リン酸触媒を用いて重合されたものであることを特徴とする請求項1記載の半芳香族ポリアミドフィルム。
- さらに、リン系熱安定剤を含有することを特徴とする請求項1または2に記載の半芳香族ポリアミドフィルム。
- 上記の一般式(I)で示される化合物のR1~R4が、すべて2,4-ジ-tert-ブチル-5-メチルフェニル基であることを特徴とする請求項4記載の半芳香族ポリアミドフィルム。
- さらに、ヒンダードフェノール系熱安定剤を含有することを特徴とする請求項1~5いずれかに記載の半芳香族ポリアミドフィルム。
- ヒンダードフェノール系熱安定剤が、熱重量測定装置により測定される5%重量減少時の熱分解温度が320℃以上であることを特徴とする請求項6記載の半芳香族ポリアミドフィルム。
- ヒンダードフェノール系熱安定剤が、アミド基を有することを特徴とする請求項6または7記載の半芳香族ポリアミドフィルム。
- さらに、二官能型熱安定剤を含有することを特徴とする請求項1~8いずれかに記載の半芳香族ポリアミドフィルム。
- 請求項1~9のいずれかに記載の半芳香族ポリアミドフィルムを製造する方法であって、半芳香族ポリアミド樹脂を溶融して溶融ポリマーを得、該溶融ポリマーを絶対濾過径60μm以下の金属焼結フィルターを通した後、フィルム状に成形することを特徴とする半芳香族ポリアミドフィルムの製造方法。
- 金属焼結フィルターとして金属繊維焼結フィルターまたは金属粉末焼結フィルターを用いることを特徴とする請求項10に記載の半芳香族ポリアミドフィルムの製造方法。
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Also Published As
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CN107200856B (zh) | 2020-09-08 |
TW201231519A (en) | 2012-08-01 |
KR101893840B1 (ko) | 2018-08-31 |
KR20130139967A (ko) | 2013-12-23 |
US20130231424A1 (en) | 2013-09-05 |
EP2641931A1 (en) | 2013-09-25 |
JPWO2012067172A1 (ja) | 2014-05-12 |
EP2641931A4 (en) | 2015-04-15 |
JP5881614B2 (ja) | 2016-03-09 |
EP2641931B1 (en) | 2018-03-21 |
CN103210021A (zh) | 2013-07-17 |
TWI506063B (zh) | 2015-11-01 |
CN107200856A (zh) | 2017-09-26 |
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