JP4614044B2 - 多層ポリエステルシートおよびそれからなるポリエステル容器 - Google Patents
多層ポリエステルシートおよびそれからなるポリエステル容器 Download PDFInfo
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- JP4614044B2 JP4614044B2 JP2003435797A JP2003435797A JP4614044B2 JP 4614044 B2 JP4614044 B2 JP 4614044B2 JP 2003435797 A JP2003435797 A JP 2003435797A JP 2003435797 A JP2003435797 A JP 2003435797A JP 4614044 B2 JP4614044 B2 JP 4614044B2
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- WBTCZEPSIIFINA-MSFWTACDSA-J dipotassium;antimony(3+);(2r,3r)-2,3-dioxidobutanedioate;trihydrate Chemical compound O.O.O.[K+].[K+].[Sb+3].[Sb+3].[O-]C(=O)[C@H]([O-])[C@@H]([O-])C([O-])=O.[O-]C(=O)[C@H]([O-])[C@@H]([O-])C([O-])=O WBTCZEPSIIFINA-MSFWTACDSA-J 0.000 description 1
- GKMXREIWPASRMP-UHFFFAOYSA-J dipotassium;oxalate;oxygen(2-);titanium(4+) Chemical compound [O-2].[K+].[K+].[Ti+4].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O GKMXREIWPASRMP-UHFFFAOYSA-J 0.000 description 1
- RXCBCUJUGULOGC-UHFFFAOYSA-H dipotassium;tetrafluorotitanium;difluoride Chemical compound [F-].[F-].[F-].[F-].[F-].[F-].[K+].[K+].[Ti+4] RXCBCUJUGULOGC-UHFFFAOYSA-H 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- CTCOPPBXAFHGRB-UHFFFAOYSA-N ethanolate;germanium(4+) Chemical compound [Ge+4].CC[O-].CC[O-].CC[O-].CC[O-] CTCOPPBXAFHGRB-UHFFFAOYSA-N 0.000 description 1
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical group C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 1
- FLKIUCFCNQWZIW-UHFFFAOYSA-N ethene;ethyl prop-2-enoate;oxiran-2-ylmethyl 2-methylprop-2-enoate Chemical group C=C.CCOC(=O)C=C.CC(=C)C(=O)OCC1CO1 FLKIUCFCNQWZIW-UHFFFAOYSA-N 0.000 description 1
- CONHAJWVOAJZGC-UHFFFAOYSA-N ethene;oxiran-2-ylmethyl 2-methylprop-2-enoate Chemical group C=C.CC(=C)C(=O)OCC1CO1 CONHAJWVOAJZGC-UHFFFAOYSA-N 0.000 description 1
- VXNZUUAINFGPBY-UHFFFAOYSA-N ethyl ethylene Natural products CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- GGQZVHANTCDJCX-UHFFFAOYSA-N germanium;tetrahydrate Chemical compound O.O.O.O.[Ge] GGQZVHANTCDJCX-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 229920006015 heat resistant resin Polymers 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- HSEMFIZWXHQJAE-UHFFFAOYSA-N hexadecanamide Chemical compound CCCCCCCCCCCCCCCC(N)=O HSEMFIZWXHQJAE-UHFFFAOYSA-N 0.000 description 1
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 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 1
- 238000003475 lamination Methods 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000006078 metal deactivator Chemical group 0.000 description 1
- CAAULPUQFIIOTL-UHFFFAOYSA-N methyl dihydrogen phosphate Chemical compound COP(O)(O)=O CAAULPUQFIIOTL-UHFFFAOYSA-N 0.000 description 1
- YACKEPLHDIMKIO-UHFFFAOYSA-N methylphosphonic acid Chemical compound CP(O)(O)=O YACKEPLHDIMKIO-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- FTQWRYSLUYAIRQ-UHFFFAOYSA-N n-[(octadecanoylamino)methyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCNC(=O)CCCCCCCCCCCCCCCCC FTQWRYSLUYAIRQ-UHFFFAOYSA-N 0.000 description 1
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- FVXBCDWMKCEPCL-UHFFFAOYSA-N nonane-1,1-diol Chemical compound CCCCCCCCC(O)O FVXBCDWMKCEPCL-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 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
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- BBJSDUUHGVDNKL-UHFFFAOYSA-J oxalate;titanium(4+) Chemical compound [Ti+4].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O BBJSDUUHGVDNKL-UHFFFAOYSA-J 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- LIYKJALVRPGQTR-UHFFFAOYSA-M oxostibanylium;chloride Chemical compound [Cl-].[Sb+]=O LIYKJALVRPGQTR-UHFFFAOYSA-M 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229960005235 piperonyl butoxide Drugs 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920001522 polyglycol ester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 1
- RLJWTAURUFQFJP-UHFFFAOYSA-N propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(C)O.CC(C)O.CC(C)O RLJWTAURUFQFJP-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004170 rice bran wax Substances 0.000 description 1
- 235000019384 rice bran wax Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006012 semi-aromatic polyamide Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- KQAGKTURZUKUCH-UHFFFAOYSA-L strontium oxalate Chemical compound [Sr+2].[O-]C(=O)C([O-])=O KQAGKTURZUKUCH-UHFFFAOYSA-L 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 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
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 1
- IEXRMSFAVATTJX-UHFFFAOYSA-N tetrachlorogermane Chemical compound Cl[Ge](Cl)(Cl)Cl IEXRMSFAVATTJX-UHFFFAOYSA-N 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N tetraisopropyl titanate Substances CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- XROWMBWRMNHXMF-UHFFFAOYSA-J titanium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Ti+4] XROWMBWRMNHXMF-UHFFFAOYSA-J 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- XTTGYFREQJCEML-UHFFFAOYSA-N tributyl phosphite Chemical compound CCCCOP(OCCCC)OCCCC XTTGYFREQJCEML-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- UAEJRRZPRZCUBE-UHFFFAOYSA-N trimethoxyalumane Chemical compound [Al+3].[O-]C.[O-]C.[O-]C UAEJRRZPRZCUBE-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- CYTQBVOFDCPGCX-UHFFFAOYSA-N trimethyl phosphite Chemical compound COP(OC)OC CYTQBVOFDCPGCX-UHFFFAOYSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- HVYVMSPIJIWUNA-UHFFFAOYSA-N triphenylstibine Chemical compound C1=CC=CC=C1[Sb](C=1C=CC=CC=1)C1=CC=CC=C1 HVYVMSPIJIWUNA-UHFFFAOYSA-N 0.000 description 1
- VXYADVIJALMOEQ-UHFFFAOYSA-K tris(lactato)aluminium Chemical compound CC(O)C(=O)O[Al](OC(=O)C(C)O)OC(=O)C(C)O VXYADVIJALMOEQ-UHFFFAOYSA-K 0.000 description 1
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Wrappers (AREA)
- Laminated Bodies (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Description
本発明に係るポリエステル樹脂は、主として芳香族ジカルボン酸成分とグリコール成分とから得られる熱可塑性ポリエステル樹脂であり、好ましくは、芳香族ジカルボン酸単位が酸成分の80モル%以上含むポリエステル樹脂であり、さらに好ましくは、芳香族ジカルボン酸単位が酸成分の90モル%以上含むポリエステル樹脂であり、特に好ましくは、芳香族ジカルボン酸単位が酸成分の95モル%以上含むポリエステル樹脂である。
また本発明に係るポリエステル樹脂の好ましいその他の一例は、主たる構成単位がエチレン−2,6−ナフタレートから構成される熱可塑性ポリエステル樹脂であり、さらに好ましくはエチレン−2,6−ナフタレート単位を80モル%以上含む熱可塑性ポリエステル樹脂であり、特に好ましいのは、エチレン−2,6−ナフタレート単位を90モル%以上含む熱可塑性ポリエステル樹脂である。
本発明で用いる無機微粒子は、任意の元素で構成される無機物の微粒子であれば、特に制限はなく、無機物として好ましく用いられるのは、無機塩、無機酸化物、さらに好ましくは、無機酸化物である。前記無機酸化物は、金属元素が主に酸素原子との結合を介して3次元のネットワークを構成した種々の含酸素金属化合物と定義される。前記無機酸化物を構成する金属元素としては、たとえば、元素周期律表I〜VI族から選ばれる元素が好ましい。その中でも、Si、Mg、Al、Fe、Ca、K、Na、Ti、Zrから選ばれる元素が特に好ましく、前記無機酸化物を構成する主たる金属元素がSi及びMgである微粒子が、無機微粒子として最も好ましい。また、前記無機酸化物中に、有機基、水酸基を含有したり、あるいは後述する原料となる金属化合物(G)に由来する各種の基が残留したり、有機ポリマーの一部分を包含していてもよい。前記有機基は、炭素数20以下の置換されていてもよいアルキル基、シクロアルキル基、アリール基、アラルキル基からなる群より選ばれる少なくとも1種である。前記無機酸化物は、1種のみを使用してもよくまたは2種以上を使用してもよい。
本発明に使用するポリオレフィン樹脂の密度は0.95g/cm3以下であることが好ましい。
本発明の多層ポリエステルシートを構成する表層はポリエステル樹脂と無機微粒子を含み、ポリオレフィン樹脂を実質的に含まないポリエステル樹脂組成物からなり、また内層はポリエステル樹脂と無機微粒子とポリオレフィン樹脂とを含むポリエステル樹脂組成物からなる。
本発明の多層ポリエステルシートは、ポリエステル樹脂と無機微粒子を含み、ポリオレフィン樹脂を実質的に含まない表層と、ポリエステル樹脂と無機微粒子とポリオレフィン樹脂とを含む内層とから構成される多層ポリエステルシートであって、アルデヒド類の含有量が70ppm以下であり、前記多層ポリエステルシートを150℃で10分間加熱処理した後の50%エタノール抽出量が1mg/100cm2以下である多層ポリエステルシートである。
(1)ポリエステル樹脂あるいはポリエステルシートの極限粘度(IV)
1,1,2,2−テトラクロルエタン/フェノール(2:3重量比)混合溶媒中30℃での溶液粘度から求めた。
メタノールにより分解し、ガスクロマトグラフィーによりDEG量を定量し、全グリコール成分に対する割合(モル%)で表した。
試料300mgをヘキサフルオロイソプロパノール/クロロフォルム混合液(容量比=2/3)3mlに溶解し、さらにクロロフォルム30mlを加えて希釈した。これにメタノール15mlを加えてポリマーを沈殿させた後、濾過する。濾液を蒸発乾固し、ジメチルフォルムアミド10mlで定容とし、高速液体クロマトグラフ法により環状エステル3量体および遊離のTPA、MHET、BHET、BHET−2を定量した。
試料/蒸留水=1グラム/2ccを窒素置換したガラスアンプルに入れた上部を溶封し、160℃で2時間抽出処理を行い、冷却後抽出液中のアセトアルデヒドおよび他のアルデヒド類を高感度ガスクロマトグラフィーで測定し、濃度をppmで表示した。
JISK−6760−1981の方法に基づいて測定した。
JISK−6760−1981の方法に基づいて測定した。
無機粒子をスライドガラス上に平らに広げ、SEM観察後、写真に撮り、ほぼ球形の粒子の最も長い径をノギスで計り、100個の数平均をとった。
ポリエステルシートを150℃に設定したギヤーオーブンに入れ10分間加熱処理し、シートの片面を抽出処理するための片面溶出用器具(ポリオレフィン等衛生協議会の試験方法「3−3.溶出試験」の図1に規定されたもの)にセットし、この中に50容量%エタノール、300mlをシート表面積1cm2当り2mlの割合で満たし、25℃で30分間放置した。所定時間経過後、片面溶出用器具から50%エタノールを清浄なビーカーに移し、ロータリーエバポレータにより20〜30mlになるまで濃縮した。濃縮液は、予め105℃で乾燥し、恒量を得た蒸発皿に移し水浴上で蒸発乾固した。次いで、105℃で2時間乾燥後、シリカゲルを乾燥剤としたデシケーター中で、60分間放冷し、冷却後秤量して、蒸発皿の前後の重量差(Amg)を求めた。
(9)予熱時の垂れ
三和興業社製真空圧空成形機TVP−33型にて、シートの予熱をヒーター出力90%設定で行い、およそヒーター温度を525℃とした。この条件下で一定時間シートを加熱し、そのシートが垂れる量を目視にてその大小を評価した。垂れの小さいものは〇とし、垂れの大きいものは×とし、中間を△とした。
下記の(14)の方法で容器成形を行い、得られる容器の特に角部分の成形具合を目視にて評価した。金型と同じ形状を充分得ているものを〇とし、金型の形状を充分に得ていないものを×とし、中間を△とした。
下記の(14)の方法で容器成形を行い、得られる容器の金型からの離れ易さを目視にて評価した。金型から容器が速やかに離れるものを〇とし、離れにくいものを×とし、中間を△とした。
下記の(14)の方法で連続的に300回の成形を行い、金型表面への付着量を目視にて観測、評価した。付着が認められないものを○とし、付着が認められ連続成形により得られる容器の外観が悪化するものを×とし、中間を△とした。
下記の(14)の方法で容器成形を行い、得られた容器表面の外観を目視にて観察・評価した。容器表面が平滑で外観に優れるものを〇とし、一方容器表面が傷や荒れがあり外観に劣るものを×とし、中間を△とした。
下記の各樹脂を用いて、自家製シーティング機にて0.6mm厚みの3層シートを得た。各層の厚みの比は、層A:層B:層A=1.6:6.8:1.6とした。なお、シート成形時のバレル温度条件は全て290℃設定、樹脂温度約290℃で溶融押出した。
三和興業社製真空圧空成形機TVP−33型にて、鏡面仕上げの金型を用いて満注容量320ccのトレー容器を得た。尚、シート成形時のバレル温度条件は全て290℃設定、容器成形時のシート予熱条件は全てヒーター出力90%設定、容器成形時の金型温度条件は全て180℃設定、容器成形時の加熱時間は全て10.5sec設定で行った。
厚さ50μmの二軸延伸PETフィルムの上に、ポリエステル樹脂(テレフタル酸/イソフタル酸//ブタンジオール/ポリテトラメチレングリコール(65/36//83/17モル比))90部、ポリプロピレン10部、シリカ1部を溶融混合したヒートシール剤を押し出しラミネートにより厚さ5μmの層として積層し、得られた積層体を蓋に用いた。
上記の容器に沸騰した蒸留水を入れた後、前記の蓋を加熱シールして30分保持し、室温で5日間放置し、開栓後風味、臭いなどの試験を行った。比較用のブランクとして、室温の蒸留水をガラス製容器に入れ、その直後の異味および臭いを評価した。官能試験は10人のパネラーにより次の基準により実施し、平均値で比較した(例えば、「○」が2人、「△」が6人、「×」が2人であれば、平均として「△」であると評価した)。
◎ :異味、臭いを感じない
○ :ブランクとの差をわずかに感じる
△ :ブランクとの差を感じる
× :ブランクとのかなりの差を感じる
××:ブランクとの非常に大きな差を感じる
(18)熱収縮率
JIS K7133に準じ、100℃、15分間のシート巻き方向(シート成形時のマシンダイレクト方向)の熱収縮率を測定した。5つのサンプルに対して測定を行い、平均をとった。
(16)の官能試験に用いた容器のシール部分を切り取り測定用サンプルとした。サンプルを120℃で30分間レトルト処理後取り出し、水分を拭き取った後にシリカゲルを入れたデシケーター中で放置した。1日後サンプルを取り出し、100mm/minの速度で180℃剥離強度を測定した。5つのサンプルに対して測定を行い、平均をとった。
樹脂約0.5kgを、JIS−Z8801による目開き1.7mmの金網をはった篩(直径20cm)の上に乗せ、テラオカ社製揺動型篩い振とう機SNF−7で1800rpmで1分間篩った。この操作を繰り返し、樹脂を合計20kg篩った。
PET―1:IV=1.00デシリットル/グラム、DEG含有量=1.2モル%、AA含有量は2.3ppm(AA以外のアルデヒド類は0ppm)、環状3量体含有量が0.30重量%、TPA含有量2ppm、MHET含有量が7ppm、BHET含有量が10ppm、BHET―2含有量が50ppm、ファイン含有量が約300ppm、
PET−2:IV=0.68デシリットル/グラム、DEG含有量=4.9モル%、AA含有量は110ppm、環状3量体含有量が1.00重量%、TPA含有量21ppm、MHET含有量が35ppm、BHET含有量が39ppm、BHET―2含有量が220ppm、ファイン含有量が約5ppm
(ポリオレフィン樹脂)
UF230:日本ポリケム(株)社製直鎖状低密度ポリエチレンノバテックLL(UF230):密度=0.921g/cm3、MFR=1.1g/10min
VL800:住友化学工業(株)社製特殊軟質ポリオレフィンエクセレンVL(VL800):密度=0.905g/cm3、MFR=20g/10min
UJ790:日本ポリケム(株)社製直鎖状低密度ポリエチレンノバテックLL(UJ790):密度=0.928g/cm3、MFR=50g/10min
(タルク)
#5000S:林化成(株)社製MICRON WHITE#5000S:平均粒子径=2.8μmφ
PK−C:林化成(株)社製TALCAN PAWDER PK−C:平均粒子径=11μmφ
(ワックス)
Luwax OP:ビーエーエスエフジャパン(株)社製モンタン系ワックス、融点=84〜94℃
(実施例1〜4および比較例1〜4)
上記の各樹脂および添加材を表1に示した配合割合で用いて、(13)の方法で3層シートを得、これらのシートを用いて、(14)の方法で容器を得た。
多層シートの層A及び層Bの樹脂組成および評価結果については以下の表1にまとめて示した。
Claims (3)
- ポリエステル樹脂と無機微粒子を含み、ポリオレフィン樹脂を実質的に含まない表層と、ポリエステル樹脂と無機微粒子とポリオレフィン樹脂とを含む内層とを含む多層ポリエステルシートであって、アルデヒド類の含有量が70ppm以下であり、前記多層ポリエステルシートを150℃で10分間加熱処理した後の50%エタノール抽出量が1mg/100cm2以下であって、
前記ポリオレフィン樹脂の密度(ρ)が0.95g/cm3以下であるか、あるいは前記ポリオレフィン樹脂のメルトフローレート(MFR)が0.1g/10min以上であり、
前記多層ポリエステルシートを構成するポリエステル樹脂がエチレンテレフタレートを主たる繰返し単位とするポリエステル樹脂であり、前記多層ポリエステルシートのポリエステル組成物中に、遊離のテレフタル酸を15ppm以下、遊離のモノヒドロキシエチルテレフタレートを50ppm以下、遊離のビスヒドロキシエチルテレフタレートを70ppm以下、および遊離のビスヒドロキシエチルテレフタレート2量体を200ppm以下含有する、無菌米飯用容器のための多層ポリエステルシート。 - 請求項1の多層ポリエステルシートを成形して得られる、無菌米飯用ポリエステル容器。
- 請求項2に記載のポリエステル容器であって、薄片状の蓋を有し、該蓋と該容器との間がヒートシールにより密封されている、無菌米飯用ポリエステル容器。
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JP2003305816A (ja) * | 2002-04-16 | 2003-10-28 | Toyobo Co Ltd | 多層ポリエステル系シ−ト、フイルム、およびそれからなる成形品 |
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JP2002019003A (ja) * | 2000-07-11 | 2002-01-22 | Dainippon Printing Co Ltd | 無菌米飯充填容器用蓋材およびそれを使用した無菌包装米飯 |
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WO2021033495A1 (ja) | 2019-08-19 | 2021-02-25 | 東英通商株式会社 | ポリエステル樹脂組成物 |
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