WO2011040337A1 - ポリエステル樹脂組成物、ポリエステル繊維、ポリエステル樹脂成形体及びポリエステル樹脂用結晶核剤の製造方法 - Google Patents
ポリエステル樹脂組成物、ポリエステル繊維、ポリエステル樹脂成形体及びポリエステル樹脂用結晶核剤の製造方法 Download PDFInfo
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- WO2011040337A1 WO2011040337A1 PCT/JP2010/066574 JP2010066574W WO2011040337A1 WO 2011040337 A1 WO2011040337 A1 WO 2011040337A1 JP 2010066574 W JP2010066574 W JP 2010066574W WO 2011040337 A1 WO2011040337 A1 WO 2011040337A1
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- Prior art keywords
- polyester resin
- metal salt
- mass
- nucleating agent
- crystal nucleating
- Prior art date
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- 239000002184 metal Substances 0.000 claims abstract description 178
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 11
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- CPEULHAPWXMDDV-UHFFFAOYSA-N n-[3,5-bis(2,2-dimethylpropanoylamino)phenyl]-2,2-dimethylpropanamide Chemical compound CC(C)(C)C(=O)NC1=CC(NC(=O)C(C)(C)C)=CC(NC(=O)C(C)(C)C)=C1 CPEULHAPWXMDDV-UHFFFAOYSA-N 0.000 description 1
- LCZJLVYYBRTSAQ-UHFFFAOYSA-N n-[4-(octadecanoylamino)butyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCCCNC(=O)CCCCCCCCCCCCCCCCC LCZJLVYYBRTSAQ-UHFFFAOYSA-N 0.000 description 1
- SLZWSYPJQQIDJB-UHFFFAOYSA-N n-[6-(octadecanoylamino)hexyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCCCCCNC(=O)CCCCCCCCCCCCCCCCC SLZWSYPJQQIDJB-UHFFFAOYSA-N 0.000 description 1
- RQUXYBHREKXNKT-UHFFFAOYSA-N n-butyl-4-methylbenzenesulfonamide Chemical compound CCCCNS(=O)(=O)C1=CC=C(C)C=C1 RQUXYBHREKXNKT-UHFFFAOYSA-N 0.000 description 1
- DJWFNQUDPJTSAD-UHFFFAOYSA-N n-octadecyloctadecanamide Chemical compound CCCCCCCCCCCCCCCCCCNC(=O)CCCCCCCCCCCCCCCCC DJWFNQUDPJTSAD-UHFFFAOYSA-N 0.000 description 1
- 125000005487 naphthalate group Chemical group 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
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000004843 novolac epoxy resin Substances 0.000 description 1
- CYCBIVGDSMISKD-UHFFFAOYSA-N o-tridecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanethioate Chemical compound CCCCCCCCCCCCCOC(=S)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 CYCBIVGDSMISKD-UHFFFAOYSA-N 0.000 description 1
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- AXRSHKZFNKUGQB-UHFFFAOYSA-N octyl diphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OCCCCCCCC)OC1=CC=CC=C1 AXRSHKZFNKUGQB-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
- 230000003287 optical effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 229940053834 phenol / resorcinol Drugs 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- MWFNQNPDUTULBC-UHFFFAOYSA-N phosphono dihydrogen phosphate;piperazine Chemical compound C1CNCCN1.OP(O)(=O)OP(O)(O)=O MWFNQNPDUTULBC-UHFFFAOYSA-N 0.000 description 1
- 150000003012 phosphoric acid amides Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229960005141 piperazine Drugs 0.000 description 1
- 229960001954 piperazine phosphate Drugs 0.000 description 1
- 239000005015 poly(hydroxybutyrate) Substances 0.000 description 1
- 229920002463 poly(p-dioxanone) polymer Polymers 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002961 polybutylene succinate Polymers 0.000 description 1
- 239000004631 polybutylene succinate Substances 0.000 description 1
- 239000000622 polydioxanone Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 239000004633 polyglycolic acid Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000004300 potassium benzoate Substances 0.000 description 1
- 235000010235 potassium benzoate Nutrition 0.000 description 1
- 229940103091 potassium benzoate Drugs 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000007639 printing Methods 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
- 229960000380 propiolactone Drugs 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- GDESWOTWNNGOMW-UHFFFAOYSA-N resorcinol monobenzoate Chemical compound OC1=CC=CC(OC(=O)C=2C=CC=CC=2)=C1 GDESWOTWNNGOMW-UHFFFAOYSA-N 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 235000019992 sake Nutrition 0.000 description 1
- 235000014438 salad dressings Nutrition 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 1
- 235000020083 shōchū Nutrition 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 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
- 239000012748 slip agent Substances 0.000 description 1
- KYKFCSHPTAVNJD-UHFFFAOYSA-L sodium adipate Chemical compound [Na+].[Na+].[O-]C(=O)CCCCC([O-])=O KYKFCSHPTAVNJD-UHFFFAOYSA-L 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000013555 soy sauce Nutrition 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- ZZORFUFYDOWNEF-UHFFFAOYSA-N sulfadimethoxine Chemical compound COC1=NC(OC)=CC(NS(=O)(=O)C=2C=CC(N)=CC=2)=N1 ZZORFUFYDOWNEF-UHFFFAOYSA-N 0.000 description 1
- GECHUMIMRBOMGK-UHFFFAOYSA-N sulfapyridine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=CC=CC=N1 GECHUMIMRBOMGK-UHFFFAOYSA-N 0.000 description 1
- JNMRHUJNCSQMMB-UHFFFAOYSA-N sulfathiazole Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CS1 JNMRHUJNCSQMMB-UHFFFAOYSA-N 0.000 description 1
- 125000005420 sulfonamido group Chemical group S(=O)(=O)(N*)* 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- JLKIGFTWXXRPMT-UHFFFAOYSA-N sulphamethoxazole Chemical compound O1C(C)=CC(NS(=O)(=O)C=2C=CC(N)=CC=2)=N1 JLKIGFTWXXRPMT-UHFFFAOYSA-N 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- IEXRMSFAVATTJX-UHFFFAOYSA-N tetrachlorogermane Chemical compound Cl[Ge](Cl)(Cl)Cl IEXRMSFAVATTJX-UHFFFAOYSA-N 0.000 description 1
- RWWNQEOPUOCKGR-UHFFFAOYSA-N tetraethyltin Chemical compound CC[Sn](CC)(CC)CC RWWNQEOPUOCKGR-UHFFFAOYSA-N 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- NZNAAUDJKMURFU-UHFFFAOYSA-N tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)NC(C)(C)C1)C(C(=O)OC1CC(C)(C)NC(C)(C)C1)CC(=O)OC1CC(C)(C)NC(C)(C)C1 NZNAAUDJKMURFU-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 235000019303 thiodipropionic acid Nutrition 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- LOAWHQCNQSFKDK-UHFFFAOYSA-N triethyltin Chemical compound CC[Sn](CC)CC.CC[Sn](CC)CC LOAWHQCNQSFKDK-UHFFFAOYSA-N 0.000 description 1
- OLBXOAKEHMWSOV-UHFFFAOYSA-N triethyltin;hydrate Chemical compound O.CC[Sn](CC)CC OLBXOAKEHMWSOV-UHFFFAOYSA-N 0.000 description 1
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 1
- DOOPOMANTWCTIB-UHFFFAOYSA-M tris(2-methylpropyl)stannanylium;acetate Chemical compound CC([O-])=O.CC(C)C[Sn+](CC(C)C)CC(C)C DOOPOMANTWCTIB-UHFFFAOYSA-M 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
- SGKKYCDALBXNCG-UHFFFAOYSA-N tris[2-tert-butyl-4-(3-tert-butyl-4-hydroxy-5-methylphenyl)sulfanyl-5-methylphenyl] phosphite Chemical compound CC(C)(C)C1=C(O)C(C)=CC(SC=2C(=CC(OP(OC=3C(=CC(SC=4C=C(C(O)=C(C)C=4)C(C)(C)C)=C(C)C=3)C(C)(C)C)OC=3C(=CC(SC=4C=C(C(O)=C(C)C=4)C(C)(C)C)=C(C)C=3)C(C)(C)C)=C(C=2)C(C)(C)C)C)=C1 SGKKYCDALBXNCG-UHFFFAOYSA-N 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 150000003752 zinc compounds Chemical class 0.000 description 1
Classifications
-
- 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
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
-
- 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
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/43—Compounds containing sulfur bound to nitrogen
- C08K5/435—Sulfonamides
-
- 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
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/529—Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
- B29B2009/165—Crystallizing granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0083—Nucleating agents promoting the crystallisation of the polymer matrix
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
Definitions
- the present invention relates to a polyester resin composition comprising a metal salt of a specific sulfonamide compound and a phosphorus antioxidant, and more specifically, a polyester in which coloring is suppressed while containing a sulfonamide compound as a crystal nucleating agent
- the present invention relates to a resin composition.
- the present invention also relates to a polyester fiber, and more particularly, to a polyester fiber that has low shrinkage and excellent creep characteristics.
- the present invention also relates to a polyester resin molded body and a method for producing the same, and more particularly to a polyester resin molded body excellent in transparency and crystallization and a method for producing the same.
- the present invention also relates to a method for producing a crystal nucleating agent for a polyester resin, and more specifically, for a polyester resin capable of obtaining a crystal nucleating agent for a polyester resin that has a small particle size and is less likely to cause secondary aggregation during storage.
- the present invention relates to a method for producing a crystal nucleating agent.
- the present invention suppresses mold contamination and suppresses a decrease in productivity due to removal of mold dirt, and also improves the heat shrinkability of the plastic bottle, thereby suppressing deterioration in productivity due to molding defects.
- it is possible to improve the production cycle, and further provide a method for producing a plastic bottle that is transparent in appearance and has a good appearance.
- Polyester resins such as polyethylene terephthalate, polymethylene terephthalate, and polylactic acid are excellent in heat resistance, chemical resistance, mechanical properties, electrical properties, etc., and are excellent in cost / performance. Used industrially, and because of its good gas barrier properties, hygiene, and transparency, it is widely used in beverage bottles, cosmetic / pharmaceutical containers, detergent / shampoo containers, etc., and also used in electrophotographic toners. It has been.
- Polyethylene naphthalate is also excellent in transparency, has excellent mechanical properties and ultraviolet barrier properties compared to polyethylene terephthalate, and has particularly low gas (oxygen, CO 2 , water vapor) permeability. It is used for film applications such as APS photographic film and materials for electronic parts.
- Polybutylene terephthalate on the other hand, has excellent heat resistance, chemical resistance, electrical properties, dimensional stability, and moldability, and is used as a precision component for automotive electrical components, electrical / electronic components, and OA equipment. Yes.
- the polyester resin is a crystalline resin
- the range of molding conditions is extremely narrow and it is difficult to improve the processing cycle. limited.
- the heat deformation temperature of the molded product obtained by molding the polyester resin is low, there is a problem that the use temperature is limited.
- nucleating agent As a method for improving the crystallization speed of a polyester resin.
- Metals such as sodium benzoate, aluminum p-tert-butylbenzoate, and aromatic phosphate metal salts Salts and compounds such as dibenzylidene sorbitol are used as nucleating agents.
- the present inventors have added a polyester resin composition in which a metal salt of a sulfonamide compound as a crystal nucleating agent is added to a polyester resin as a powder. Has been proposed (see Patent Document 1).
- the polyester resin is excellent in its excellent dimensional stability, weather resistance, mechanical properties, durability, electrical properties, chemical resistance, etc., and in particular, polyethylene terephthalate resin (hereinafter sometimes referred to as PET resin)
- PET resin polyethylene terephthalate resin
- Patent Document 2 discloses that in a special vehicle used at a construction site, PET fiber is formed as a non-woven fabric as a soundproof material (sound absorbing material) in an engine room in order to prevent engine noise and noise related to driving. A method of laminating them and using them as a mat for a soundproofing material has been proposed.
- PET resin has a large thermal shrinkage.
- PET resin films are used as labels for beverage bottles and food containers. This is due to the property that when the film is heated in the range above the glass transition temperature or near the melting point, the stress applied in the stretching direction of the film is released and the film shrinks.
- a fiber layer is inserted into the tire structure of the vehicle to increase the cushioning property of the rubber component.
- the stress applied to the tire is affected by the driving environment of the vehicle, it is not a constant amount, but the passage of time. At the same time, strain (creep) applied to the fibers increases, and the tire structure may be deformed or punctured.
- Polyester resins such as polyethylene terephthalate, polymethylene terephthalate, and polylactic acid are excellent in transparency, heat resistance, chemical resistance, mechanical properties, electrical properties, gas barrier properties, cost / performance, and the main repetition.
- Polyethylene terephthalate whose unit is ethylene terephthalate (hereinafter sometimes referred to as PET resin) is a bottle container for carbonated drinks, juice, mineral water, etc., cosmetics, pharmaceutical containers, detergent / shampoo containers, toner for electrophotography, food, Widely used in packaging materials such as pharmaceuticals.
- PET resin Polyethylene terephthalate whose unit is ethylene terephthalate
- PET resin is a bottle container for carbonated drinks, juice, mineral water, etc., cosmetics, pharmaceutical containers, detergent / shampoo containers, toner for electrophotography, food, Widely used in packaging materials such as pharmaceuticals.
- a biaxially stretched blow bottle obtained by biaxial stretching has excellent heat resistance, transparency and gloss, and relatively good gas barrier properties.
- biaxially stretched blow bottles made of PET resin have gas barrier properties for alcoholic beverages such as alcohol and beer, carbonated beverages such as cider and cola, beverage containers for juices such as fruit beverages, and containers for pharmaceuticals. It is still not sufficient, and there is a need to improve gas barrier properties from the viewpoint of content protection.
- PET resin bottle containers beverages sterilized at high temperatures may be hot-filled, or may be sterilized at high temperatures after filling the beverage. If the heat resistance of the PET resin bottle containers is poor, during these heat treatments, Shrinkage and deformation of the bottle container may occur.
- Patent Document 3 proposes a method of heat-treating the stretch-blow mold at a high temperature.
- a resin is applied to the mold.
- the PET resin bottle of the molded product is whitened and the product value is impaired.
- Patent Documents 4 and 5 propose a method of improving the heat resistance by heat-treating the stopper portion of the preform or the molded bottle to promote crystallization, but this method is suitable for crystallization.
- the processing time and temperature required greatly affect productivity.
- the PET resin is a crystalline resin
- the crystallization speed is extremely slow, so that the range of molding conditions is extremely narrow and it is difficult to improve the processing cycle.
- the packaging material to be used is required to have a gas barrier property against permeation of oxygen and water vapor in order to suppress the oxidation and alteration of the contents and maintain the taste, freshness, efficacy and the like.
- packaging materials include various properties such as transparency, heat resistance, and flexibility. Characteristics are required.
- polyester resins such as polyethylene terephthalate are crystalline polymers
- the range of molding conditions is extremely narrow, making it difficult to improve molding cycles, and the use of molding materials is still limited.
- This defect is derived from the crystallinity of the polyester resin, and it is known that the addition of a crystal nucleating agent increases the crystallization temperature of the polyester resin and improves the molding cycle.
- Patent Document 1 the present inventors have provided an invention for promoting crystallization of a polyester resin composition using a sulfonamide compound metal salt as a crystal nucleating agent for a polyester resin, which cannot be achieved with a conventional crystal nucleating agent. We realized a molding cycle that did not exist.
- the sulfonamide compound metal salt added to the polyester resin contains particles exceeding 250 ⁇ m, it may remain unmelted during melt-kneading with the polyester resin.
- a crystal nucleating agent is applied to a fiber material, for example, the fiber breaks when the fiber is stretched, or when it is applied to a film material, fish eyes appear on the film surface or the sheet is stretched uniformly. It may not be possible, or there may be holes in the film surface.
- the crystal nucleating agent is used in the molding of a bottle container or a sheet, there is a problem that the crystallization accelerating action of the polyester resin is too strong, and a part or the whole of the molded product is whitened to deteriorate the appearance.
- This problem is known to be improved by uniformly dispersing the crystal nucleating agent for polyester resin in the polyester resin.
- the above problem can be solved by pulverizing until the volume average particle diameter is in the range of 0.5 to 50 ⁇ m and the mesh pass is 250 ⁇ m.
- the pulverized product is hardened and adhered to the tank (adhered), or pulverized by heat generated during pulverization.
- the product melted into a lump (fused) state and could hardly be recovered and could not be stably pulverized.
- blocking occurs due to secondary aggregation of the pulverized product during transportation and warehouse storage.
- a plastic bottle made of stretched blow or the like using polyester, polyolefin, polyamide or the like is known.
- a method for producing a plastic bottle using polyester for example, as described in Patent Document 6, polyethylene terephthalate melted in a mold is ejected (extruded), and a preform (parison) is injected (extruded).
- a predetermined plastic bottle by molding and molding the molded bottomed cylindrical preform by gas wiping, and to obtain a heat-resistant plastic bottle by further heat treatment. ing.
- polyester resins mainly using antimony compounds and germanium compounds as polycondensation catalysts are used, but by-products such as acetaldehyde and cyclic low polymers are present in the resin during melt molding.
- by-products such as the above-mentioned annular low-weight body can be a cause of mold contamination on the mold vent of the molding machine, the mold inner surface of the blow molding machine, the exhaust pipe of the mold, or the like. Mold stains cause surface roughness and whitening of the molded product, and thus it is necessary to remove the mold stains.
- the productivity is remarkably lowered as the mold stains are removed.
- a method for suppressing the generation of acetaldehyde for example, a method of performing the molding temperature at a low temperature is conceivable.
- the molding temperature is lowered, the resulting molded product is whitened, resulting in a problem that the transparency is greatly reduced.
- Patent Document 7 discloses that after polycondensation, it is brought into contact with hot water at 50 to 100 ° C. Discloses a method of deactivating a catalyst in a resin. However, even if this method can reduce the generation of by-products, there is a problem in that productivity is reduced because a resin drying step is required.
- Patent Document 8 discloses that terephthalic acid or an ester-forming derivative thereof is 90 mol% or more of a dicarboxylic acid component, and ethylene glycol is a diol component.
- a method of molding at 270 ° C. using a polyester resin polycondensed through an esterification reaction or a transesterification reaction of a dicarboxylic acid component and a diol component that are 90 mol% or more is disclosed.
- polyethylene terephthalate is a crystalline resin, but its crystallization rate is extremely slow. Therefore, the range of molding conditions is narrow, and when the mold temperature is lowered, the thermal contraction of the molded product becomes remarkable, resulting in frequent molding defects. Therefore, there is a problem that productivity is worsened.
- a method of adding a nucleating agent As a method for improving the crystallization speed of a resin composition, a method of adding a nucleating agent is generally known.
- the nucleating agent include polymers, ores, metal salts of organic acids or inorganic acids, powdered glass. , Powder metals, etc., for example, olefins such as low density polyethylene, high density polyethylene and linear low density polyethylene, ores (clay) such as graphite, talc and kaolin, metal oxides such as zinc oxide, alumina and magnesium oxide Products, silica compounds such as silica, calcium silicate, magnesium silicate, metal carbonates such as magnesium carbonate, calcium carbonate, sodium carbonate, potassium carbonate, barium sulfate, calcium sulfate, sodium benzoate, aluminum p-tert-butylbenzoate, Aromatic phosphate metal salts, dibenzylidene sorbitol and sulfonamido Compounds, and the
- JP2007-327028A JP 2007-230212 A Japanese Patent Publication No.59-6216 JP 55-79237 A JP 58-110221 A Japanese Patent Application Laid-Open No. 08-156077 Japanese Patent Publication No. 7-37515 JP 2006-22340 A
- an object of the present invention is to provide a polyester resin composition that solves the above-mentioned problems of the prior art and that suppresses coloring while containing a sulfonamide compound as a crystal nucleating agent.
- Another object of the present invention is to provide a polyester fiber that solves the above-mentioned conventional problems, has excellent creep characteristics, and has a low heat shrinkage rate.
- Another object of the present invention is to provide a polyester resin molded body that can solve the above-mentioned conventional problems and can realize transparency and crystallinity in a high dimension, and a method for producing the same.
- Another object of the present invention is to provide a polyester resin crystal that can solve the above-mentioned conventional problems, and that can provide a crystal nucleating agent for polyester resin that has a small particle size and is less likely to cause secondary aggregation during storage. It is to provide a method for producing a nucleating agent.
- Another object of the present invention is to provide a method for producing a plastic bottle in which productivity is improved by suppressing mold contamination.
- the present inventors added a mixture of a metal salt of a sulfonamide compound having a moisture content adjusted to a specific ratio and a phosphorus-based antioxidant to a polyester resin. As a result, the inventors have found that the above problems can be solved, and have completed the present invention.
- the present inventors have found that the above-mentioned problems can be solved by blending a polyester resin crystal nucleating agent comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt with the polyester resin, thereby completing the present invention. It came to do.
- the present inventors solved the above-mentioned problems by blending a polyester resin crystal nucleating agent comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt into a polyester resin and performing a specific annealing treatment after molding.
- the present inventors have found that this can be done and have completed the present invention.
- the present inventors can solve the above-mentioned problems by drying the crystal nucleating agent until the water content becomes a specific value or less and pulverizing using a pulverizer that does not use a pulverizing medium.
- the headline and the present invention were completed.
- the present inventors prepared a resin composition obtained by mixing a polyester resin with a masterbatch containing a crystal nucleating agent for a polyester resin made of a sulfonamide compound metal salt or a sulfonimide compound metal salt, and the resin composition
- a resin composition obtained by mixing a polyester resin with a masterbatch containing a crystal nucleating agent for a polyester resin made of a sulfonamide compound metal salt or a sulfonimide compound metal salt
- the polyester resin composition of the present invention has a phosphorus-based antioxidant (A) 0.01 to 30 parts by mass and a sulfonamide compound metal salt (B) 0.1 to 30 parts by mass with respect to 100 parts by mass of the polyester resin.
- a polyester resin composition comprising parts, The amount of water contained in the metal salt (B) of the sulfonamide compound is in the range of 0.1% to 20% by mass ratio with respect to the metal salt of the sulfonamide compound, and 3% by mass ratio with respect to the polyester resin composition. % Or less.
- the polyester fiber of the present invention comprises a polyester resin composition containing 0.001 to 1 part by mass of a crystal nucleating agent for polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt with respect to 100 parts by mass of the polyester resin. It is characterized by this.
- the polyester resin molded article of the present invention is a polyester resin composition in which 0.001 to 1 part by mass of a crystal nucleating agent for a polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt is blended with 100 parts by mass of a polyester resin. After the molding, annealing is performed for 1 second to 2 minutes.
- the polyester resin molded article of the present invention is a polyester comprising 0.001 to 1 part by mass of a crystal nucleating agent for polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt with respect to 100 parts by mass of the polyester resin.
- a crystal nucleating agent for polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt with respect to 100 parts by mass of the polyester resin.
- the method for producing a crystal nucleating agent for polyester resin according to the present invention is a method for producing a crystal nucleating agent for polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt, wherein the crystal nucleating agent for polyester resin is water-containing. After drying until the rate becomes 8% by mass or less, the mixture is pulverized by a pulverizer that does not use a pulverizing medium.
- the method for producing a plastic bottle of the present invention is a method for producing a plastic bottle formed by molding a polyester resin composition containing a crystal nucleating agent for a polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt.
- a masterbatch containing 0.1 to 90 parts by mass of the crystal nucleating agent for polyester resin with respect to 100 parts by mass of the polyester resin having a viscosity of 0.5 to 1.1 dL / g is prepared.
- the resin composition containing 0.005 to 0.025 parts by mass of the crystal nucleating agent for polyester resin with respect to 100 parts by mass of polyester resin having an intrinsic viscosity of 0.5 to 1.1 dL / g,
- the resin composition is stretch blow molded into a bottle shape at a mold temperature of 85 to 160 ° C.
- a nucleating agent for a polyester resin composed of a sulfonamide compound metal salt or a sulfonimide compound metal salt is blended and molded, and then subjected to a specific annealing treatment to achieve transparency and crystallinity. It is possible to produce a polyester resin molded body that satisfies the above requirements.
- a crystal nucleating agent for polyester resin comprising a sulfonamide compound or a sulfonimide compound, having a small particle diameter and hardly causing secondary aggregation during storage. Can do.
- the present invention suppresses mold contamination, suppresses a decrease in productivity due to removal of mold stains, and a plastic bottle to be manufactured has good heat shrinkage, so that productivity due to poor molding can be reduced. Deterioration is suppressed and the production cycle can be improved. In addition, the appearance of the manufactured plastic bottle is transparent and good.
- the polyester resin composition of the present invention comprises 0.01 to 30 parts by mass of the phosphorus-based antioxidant (A) and 0.1 to 30 parts by mass of the metal salt of the sulfonamide compound (B) with respect to 100 parts by mass of the polyester resin.
- a polyester resin composition comprising: The amount of water contained in the metal salt (B) of the sulfonamide compound is in the range of 0.1% to 20% by mass ratio with respect to the metal salt of the sulfonamide compound, and 3% by mass ratio with respect to the polyester resin composition. % Or less.
- the polyester resin composition of the present invention will be described in detail below.
- the polyester resin used in the polyester resin composition of the present invention is a normal thermoplastic polyester resin and should not be particularly limited.
- polyoxyalkylene terephthalate such as polyethylene terephthalate, polybutylene terephthalate, polycyclohexane dimethylene terephthalate, aromatic polyester such as polyalkylene naphthalate such as polyethylene naphthalate and polybutylene naphthalate; polyester component and other acid components and / Or glycol components (eg, acid components such as isophthalic acid, adipic acid, sebacic acid, glutaric acid, diphenylmethane dicarboxylic acid, dimer acid, glycol components such as hexamethylene glycol, bisphenol A, neopentyl glycol alkylene oxide adduct) Polyether ester resin copolymerized with polyhydroxybutyrate, polycaprolactone, polybutylene succinate, polyethylene succinate Degradable aliphatic polyesters such as polylactic acid resin,
- polyester resins selected from the group consisting of polyethylene terephthalate, polyethylene naphthalate, and polylactic acid are preferably used.
- polyethylene terephthalate is more preferable because the effect of the invention is remarkable.
- the polyester resin may be a single resin or a blend of a plurality of resins (for example, a blend of polyethylene terephthalate and polybutylene terephthalate), or a copolymer thereof (for example, a copolymer of polybutylene terephthalate and polytetramethylene glycol).
- a melting point of 200 ° C. to 300 ° C. are preferably used because they exhibit heat resistance.
- Examples of the phosphorus antioxidant used in the present invention include triphenyl phosphite, trisnonylphenyl phosphite, tris (2,4-ditert-butylphenyl) phosphite, and tris (2,4-ditertiary).
- Tributyl-5-methylphenyl) phosphite tris [2-tert-butyl-4- (3-tert-butyl-4-hydroxy-5-methylphenylthio) -5-methylphenyl] phosphite, tridecylphos Phyto, octyl diphenyl phosphite, di (decyl) monophenyl phosphite, di (tridecyl) pentaerythritol diphosphite, di (nonylphenyl) pentaerythritol diphosphite, bis (2,4-ditert-butylphenyl) penta Erythritol diphosphite, bis (2,6-ditert-butyl-4-methylphenol ) Pentaerythritol diphosphite, bis (2,4,6-tritert-butylphenyl) pentaerythritol diphosphite
- the amount of the phosphorus antioxidant used is 0.01 to 30 parts by mass with respect to 100 parts by mass of the polyester resin. If it is 0.01 parts by mass or less, the polyester resin composition may not obtain a sufficient stabilizing effect, and if it exceeds 30 parts by mass, the shape stability as a masterbatch may be poor, or dispersion in the resin may occur. In some cases, the appearance of the molded product may be adversely affected.
- Examples of the alkyl group having 1 to 8 carbon atoms represented by R 1 , R 2 , R 3 and R 4 in the general formula (1) include methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, tertiary Butyl, isobutyl, amyl, isoamyl, tertiary amyl, hexyl, cyclohexyl, heptyl, isoheptyl, tertiary heptyl, n-octyl, isooctyl, tertiary octyl, 2-ethylhexyl trifluoromethyl, etc., or in these groups
- the hydrogen atom may be substituted with a halogen atom, a saturated alicyclic ring, an aromatic ring or the like.
- Examples of the aryl group having 6 to 12 carbon atoms which may be substituted include a phenyl group and a naphthyl group.
- Examples of the aralkyl group having 6 to 12 carbon atoms include a hydrogen atom of the above alkyl group as an aryl group. And those substituted with a group.
- phosphorus antioxidant represented by the general formula (1) include the following compound No. 1-No. 5 is mentioned. However, the present invention is not limited by the following compounds.
- the sulfonamide compound in the metal salt of the sulfonamide compound used in the present invention represents a compound having a sulfonamide skeleton, such as sulfonamide, methanesulfonamide, benzenesulfonamide, toluene-4-sulfonamide, 4-chlorobenzene.
- 4-aminobenzenesulfonamide, N-phenyl-benzenesulfonamide, 1,2 -Benzisothiazol-3 (2H) -one-1,1-dioxide is preferred.
- These metal salts of sulfonamide compounds are preferably used because they are excellent in the crystallization promoting effect of polyester resins, and in particular, 1,2-benzisothiazol-3 (2H) -one-1,1-dioxide metal Salts are preferred.
- the amount of the metal salt of the sulfonamide compound added is 0.1 to 30 parts by mass with respect to 100 parts by mass of the polyester resin. If the amount is less than 0.1 parts by mass, it is necessary to add a large amount of the masterbatch because the action effect is low when the masterbatch is used, but a large amount of addition deteriorates the properties of the polyester resin in terms of physical properties. There is a case. Moreover, when more than 30 mass parts, dispersion
- Examples of the metal salt of the sulfonamide compound include metals selected from lithium, potassium, sodium, magnesium, calcium, strontium, barium, titanium, manganese, iron, zinc, silicon, zirconium, yttrium, or barium.
- potassium, lithium, sodium, and calcium are preferable because they are excellent in the crystallization promoting effect of the polyester resin, and sodium is particularly preferable.
- the amount of water contained in the sulfonamide compound refers to the following measurement conditions (under nitrogen (200 ml / min), heating rate: 50 ° C./min, using a thermoanalyzer 2 manufactured by Rigaku Corporation. Sample: 5 mg), and the weight loss when the temperature was increased from room temperature and reached 150 ° C. was evaluated as the amount of water.
- the amount of water is 0 by mass ratio to the sulfonamide compound.
- the content is preferably in the range of 1 to 20%, particularly preferably 0.1 to 5%. If the water content is less than 0.1%, the sulfonamide compound is hygroscopic, and it is uneconomical to dry to that water content. If the water content exceeds 20%, coloring associated with hydrolysis of the polyester resin and foaming problems during molding processing may occur, and the appearance of the molded article of the polyester resin composition may be impaired.
- the amount of water contained in the sulfonamide compound must be blended so that the mass ratio with the polyester resin composition does not exceed 3%. If the polyester resin composition is processed with a water content exceeding 3%, moldability deteriorates due to significant hydrolysis, a decrease in the viscosity of the polyester resin itself, and deposition of a low molecular weight material.
- the sulfonamide compound according to the present invention can be adjusted to a desired particle size by using various pulverizing devices, but in the present invention, those having an average particle size of 100 ⁇ m or less are preferable. If it exceeds 100 ⁇ m, the appearance of the molded article of the polyester resin composition may be impaired.
- the average particle diameter of the sulfonamide compound refers to the sulfonamide compound measured with a laser diffraction / scattering particle size distribution meter (Microtrack MT3000II; manufactured by Nikkiso Co., Ltd.). This represents a numerical value at which the volume average by the microtrack method is 50%.
- the polyester resin composition of the present invention may further contain other usual additives as required.
- the polyethylene resin composition of the present invention is mixed with other additives in a blending amount according to the purpose, and is melt-kneaded with a molding machine such as an extruder and granulated. And a molding method.
- other additives include ultraviolet absorbers, hindered amine compounds, heavy metal deactivators, other crystal nucleating agents other than the crystal nucleating agent used in the present invention, flame retardants, metal soaps, hydrotalcite, fillers, Examples thereof include a lubricant, an antistatic agent, a pigment, a dye, a plasticizer, and the like.
- a phosphorous antioxidant, a crystal nucleating agent, another crystal nucleating agent, or another phosphorous antioxidant used in the present invention is a polyester resin composition. In addition, it may be molded.
- ultraviolet absorber examples include 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octoxybenzophenone, and 5,5′-methylenebis (2-hydroxy-4-methoxybenzophenone).
- 2-hydroxybenzophenones such as 2-; 2- (2-hydroxy-5-methylphenyl) benzotriazole, 2- (2-hydroxy-5-tert-octylphenyl) benzotriazole, 2- (2-hydroxy-3, 5-di-tert-butylphenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-3-tert-butyl-5-methylphenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-3,5 -Dicumylphenyl) benzotriazole, 2,2'-methylenebis (4-tertiary Octyl-6-benzotriazolylphenol), polyethylene glycol ester of 2- (2-hydroxy-3-tert-butyl-5-carboxyphenyl) benzotriazole, 2- [2-hydroxy-3- (2-acryloyloxy) Ethyl) -5-methylphenyl] benzotriazole, 2- [2-hydroxy-3- (2-methacryloyloxyethyl) -5
- hindered amine light stabilizer examples include 2,2,6,6-tetramethyl-4-piperidyl stearate, 1,2,2,6,6-pentamethyl-4-piperidyl stearate, 2,2, 6,6-tetramethyl-4-piperidylbenzoate, bis (2,2,6,6-tetramethyl-4-piperidyl) sebacate, tetrakis (2,2,6,6-tetramethyl-4-piperidyl) -1 , 2,3,4-butanetetracarboxylate, tetrakis (1,2,2,6,6-pentamethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate, bis (2,2, 6,6-tetramethyl-4-piperidyl) .di (tridecyl) -1,2,3,4-butanetetracarboxylate, bis (1,2,2,6,6-pentamethyl-4 Piperidyl) -di (tridecyl) -1,2,3,
- crystal nucleating agent examples include sodium benzoate, aluminum 4-tert-butylbenzoate, sodium adipate and disodium bicyclo [2.2.1] heptane-2,3-dicarboxylate.
- Carboxylic acid metal salts sodium bis (4-tert-butylphenyl) phosphate, sodium-2,2′-methylenebis (4,6-ditert-butylphenyl) phosphate and lithium-2,2′-methylenebis (4,6 A phosphate ester metal salt such as ditertiarybutylphenyl) phosphate, a polyhydric alcohol derivative such as dibenzylidene sorbitol, bis (methylbenzylidene) sorbitol, bis (p-ethylbenzylidene) sorbitol, and bis (dimethylbenzylidene) sorbitol, N, N ′, N ′′ -Tris [2-methylcycl Hexyl] -1,2,3-propan
- the flame retardant examples include aromatic phosphates such as triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, cresyl diphenyl phosphate, cresyl-2,6-xylenyl phosphate, and resorcinol bis (diphenyl phosphate).
- aromatic phosphates such as triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, cresyl diphenyl phosphate, cresyl-2,6-xylenyl phosphate, and resorcinol bis (diphenyl phosphate).
- Esters such as divinyl phenylphosphonate, diallyl phenylphosphonate and phenylphosphonic acid (1-butenyl), phenyl diphenylphosphinate, methyl diphenylphosphinate, 9,10-dihydro-9-oxa-10-phospha Phosphinic acid esters such as phenanthrene-10-oxide derivatives, phosphazene compounds such as bis (2-allylphenoxy) phosphazene and dicresyl phosphazene, melamine phosphate, melamine pyrophosphate, Melamine phosphate, melam polyphosphate, ammonium polyphosphate, phosphorus-containing vinylbenzyl compounds and phosphorus-based flame retardants such as red phosphorus, metal hydroxides such as magnesium hydroxide and aluminum hydroxide, brominated bisphenol A type epoxy resin, bromine Phenol novolac epoxy resin, hexabromobenzene
- phosphorus antioxidants include triphenyl phosphite, tris (2,4-ditertiarybutylphenyl) phosphite, tris (2,5-ditertiarybutylphenyl) phosphite, tris (nonylphenyl) ) Phosphite, tris (dinonylphenyl) phosphite, tris (mono, dimixed nonylphenyl) phosphite, diphenyl acid phosphite, 2,2'-methylenebis (4,6-ditert-butylphenyl) octyl phosphite , Diphenyldecyl phosphite, diphenyloctyl phosphite, phenyl diisodecyl phosphite, tributyl phosphite, tris (2-ethylhexyl) phosphite
- polyester resin composition of the present invention is not particularly limited, but can be formed into known extrusion molding, injection molding, hollow molding, blow, film, sheet, etc., beverage containers, packaging materials, daily goods It can be used for toys.
- the polyester fiber of the present invention comprises a polyester resin composition containing 0.001 to 1 part by mass of a crystal nucleating agent for polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt with respect to 100 parts by mass of the polyester resin. It is characterized by this.
- the polyester fiber of the present invention is described in detail below.
- the polyester resin crystal nucleating agent comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt according to the present invention represents a metal salt of a compound having a sulfonamide skeleton or a metal salt of a compound having a sulfonimide skeleton.
- Examples of the compound having a sulfonamide skeleton or a sulfonimide skeleton include the same ones as described above.
- benzenesulfonamide metal salt, toluene-4-sulfonamide metal salt, N-phenyl-benzenesulfonamide metal salt, N-phenyl-4-methyl-benzenesulfonamide metal salt, 1,2-benziso Thiazol-3 (2H) -one 1,1-dioxide metal salt is preferably used.
- Examples of the metal in the metal salt of the sulfonamide compound or the sulfonimide compound include the same metals as those mentioned in the metal salt of the sulfonamide compound. Preferred metals are the same as above.
- the polyester resin according to the present invention may be a normal thermoplastic polyester resin, and is not particularly limited, and examples thereof include the same as described above.
- polyester resins selected from the group consisting of polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate and polylactic acid are preferably used, and in particular, polyethylene terephthalate is excellent in transparency and molding processability, and is inexpensive. It is more preferable because it exists.
- the polyester resin may be a single resin or a blend of a plurality of resins (for example, a blend of polyethylene terephthalate and polybutylene terephthalate), or a copolymer thereof (for example, a copolymer of polybutylene terephthalate and polytetramethylene glycol).
- a melting point of 200 ° C. to 300 ° C. are preferably used because they exhibit heat resistance.
- the added amount of the crystal nucleating agent for polyester resin comprising the sulfonamide compound metal salt or the sulfonimide compound metal salt is 0.001 to 1 part by mass, preferably 0.005 to 1 part per 100 parts by mass of the polyester resin. Part by mass. When the amount is less than 0.001 part by mass, the effect as a crystal nucleating agent is low. When the amount is more than 1 part by mass, dispersibility in the polyester resin is lowered, and the polyester fiber may not be sufficiently stretched.
- the polyester fiber has a heat shrinkage (measured according to German Industrial Standard DIN 53866 T3) of 15% or less. If it exceeds 15%, it may be difficult to produce a material suitable for the intended use.
- the polyester fiber is stretched and oriented.
- the stretching method a known stretching method can be used, and the stretching can be performed without limitation of the stretching ratio as long as the fiber is not cut.
- the polyester resin in which the crystal nucleating agent for a polyester resin composed of a sulfonamide compound metal salt or a sulfonimide compound metal salt is blended may further contain other usual additives as required.
- a method for blending other additives there may be mentioned a method in which other additives are mixed with a polyester resin at a blending amount according to the purpose, and melt-kneaded and granulated by a molding machine such as an extruder.
- Crystals for polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt may be blended with other additives together with a crystal nucleating agent for a polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt.
- a nucleating agent for a polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt After adding a nucleating agent to a polyester resin to form a fiber, another additive may be added.
- other additives include coloring inhibitors, optical brighteners, matting agents, phenolic antioxidants, phosphorus antioxidants, ultraviolet absorbers, hindered amine compounds, heavy metal deactivators, and the present invention.
- crystal nucleating agent for the polyester resin in addition to the crystal nucleating agent for the polyester resin to be used, other crystal nucleating agents, flame retardants, metal soaps, hydrotalcites, fillers, lubricants, antistatic agents, pigments, colorants, plasticizers and the like can be mentioned.
- phenolic antioxidant examples include 2,6-ditert-butyl-p-cresol, 2,6-diphenyl-4-octadecyloxyphenol, stearyl (3,5-ditert-butyl-4- Hydroxyphenyl) propionate, distearyl (3,5-ditert-butyl-4-hydroxybenzyl) phosphonate, tridecyl-3,5-ditert-butyl-4-hydroxybenzylthioacetate, thiodiethylenebis [(3,5 -Di-tert-butyl-4-hydroxyphenyl) propionate], 4,4'-thiobis (6-tert-butyl-m-cresol), 2-octylthio-4,6-di (3,5-di-tert-butyl) -4-hydroxyphenoxy) -s-triazine, 2,2'-methylenebis (4-methyl-6-tert-butylphenol), bis [3,3- (4-hydroxy-3-tert
- the amount of the phosphorus-based antioxidant used is 0.001 to 10 parts by mass, more preferably 0.01 to 5 parts by mass with respect to 100 parts by mass of the polyester resin.
- Examples of the ultraviolet absorber include the same as those described above.
- the amount of the ultraviolet absorber used is 0.001 to 5 parts by mass, more preferably 0.005 to 0.5 parts by mass, with respect to 100 parts by mass of the polyester resin.
- hindered amine light stabilizer examples include the same ones as described above.
- the amount of the hindered amine light stabilizer used is 0.001 to 5 parts by mass, and more preferably 0.005 to 0.5 parts by mass with respect to 100 parts by mass of the polyester resin.
- crystal nucleating agents examples include simple substances such as carbon black, graphite, zinc powder and aluminum powder; metal oxides such as zinc oxide, magnesium oxide, alumina, hematite and magnetite; talc, asbestos, kaolin and montmorillonite.
- Clays such as clay and pyrophyllite, sulfates such as calcium sulfate and barium sulfate; inorganic phosphates such as calcium phosphate; metal salts of aromatic oxysulfonic acid, magnesium salts of organic phosphorus compounds, zinc of organic phosphorus compounds Organic phosphates such as salts; inorganic silicates such as calcium silicate salt and magnesium silicate salt; sodium monocarboxylate, lithium monocarboxylate, barium monocarboxylate, magnesium monocarboxylate, calcium monocarboxylate , Sodium stearate, Sodium tantalate, sodium benzoate, potassium benzoate, calcium benzoate, 4-tert-butylaluminum benzoate, sodium adipate and disodium bicyclo [2.2.1] heptane-2,3-dicarboxylate, Carboxylic acid metal salts such as sodium carbonate and magnesium carbonate; sodium bis (4-tert-butylphenyl) phosphate
- the flame retardant examples include the same as those described above.
- the flame retardant is used in an amount of 1 to 70 parts by weight, more preferably 10 to 30 parts by weight with respect to 100 parts by weight of the polyester resin.
- the filler is not particularly limited as long as it is used to reinforce the polyester resin, such as mineral fibers such as wollastonite, zonotolite, attapulgite, glass fiber, milled fiber, metal coated glass fiber, etc. Glass fiber, carbon fiber, carbon milled fiber, carbon fiber such as metal coated carbon fiber, metal wire such as stainless steel wire, copper wire, aluminum wire, tungsten wire, alumina fiber, zirconia fiber, aluminum borate whisker , Fiber fillers such as whisker such as potassium titanate whisker, basic magnesium sulfate whisker, acicular titanium oxide, acicular calcium carbonate, plate filler such as talc, mica, glass flake, graphite flake, hydro Talcite, glass beads, Various fillers such as glass balloons, ceramic balloons, carbon beads, silica particles, titania particles, alumina particles, kaolin, clay, calcium carbonate, titanium oxide, cerium oxide, and zinc oxide can be mentioned. Also good.
- the said filler can be suitably used in
- the polyester fiber of the present invention can be treated with twisting, adhesive treatment, heat treatment, and alkali treatment by a conventional method, and the twisted yarn may be twisted with a fiber material other than the polyester fiber.
- a fiber material other than the polyester fiber.
- the other fiber material a material that is easily entangled with the polyester fiber and has few fiber breakage is preferably used.
- the polyester fiber of the present invention includes a vehicle tire structure, a printing substrate, a wallpaper substrate, a wiping material, various filter materials, a compress material, a medical hygiene material such as a sanitary article, clothing, a clothing interlining, and a pillow cover. It can be used for applications such as cosmetic base materials, automotive interior materials, sound absorbing materials, packaging materials, and industrial materials such as civil engineering.
- the polyester resin molded article of the present invention is a polyester resin composition in which 0.001 to 1 part by mass of a crystal nucleating agent for a polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt is blended with 100 parts by mass of a polyester resin. After the molding, annealing is performed for 1 second to 2 minutes.
- the polyester resin molding of the present invention and the production method thereof will be described in detail below.
- the polyester resin crystal nucleating agent comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt according to the present invention represents a metal salt of a compound having a sulfonamide skeleton or a sulfonimide skeleton.
- Examples of the compound having a sulfonamide skeleton or a sulfonimide skeleton include the same compounds as those mentioned for the metal salt of the sulfonamide compound related to the polyester fiber.
- Preferred compounds having a sulfonamide skeleton or a sulfonimide skeleton are the same as those for the polyester fiber.
- Examples of the metal in the metal salt of the sulfonamide compound or the sulfonimide compound include the same metals as those mentioned in the metal salt of the sulfonamide compound. Preferred metals are the same as above.
- a normal thermoplastic polyester resin is used as the polyester resin and is not particularly limited, and examples thereof include the same as described above.
- polyethylene terephthalate is more preferable because it is excellent in transparency and inexpensive.
- the polyester resin may be a single resin or a blend of a plurality of resins (for example, a blend of polyethylene terephthalate and polybutylene terephthalate), or a copolymer thereof (for example, a copolymer of polybutylene terephthalate and polytetramethylene glycol).
- a melting point of 200 ° C. to 300 ° C. are preferably used because they exhibit heat resistance.
- the amount of the polyester resin crystal nucleating agent added to 100 parts by mass of the polyester resin is 0.001 to 1 part by mass, preferably 0.005 to 0.1 part by mass, and more preferably 0.005 to 0.05 parts by mass.
- the amount is less than 0.001 part by mass, the effect as a crystal nucleating agent is hardly obtained.
- the amount is more than 1 part by mass, the dispersibility in the polyester resin is lowered, and the appearance of the polyester resin molded article is adversely affected. There is a case.
- the polyester resin in which the crystal nucleating agent for a polyester resin composed of a sulfonamide compound metal salt or a sulfonimide compound metal salt is blended may further contain other usual additives as required.
- a method for blending other additives there is a method in which other additives are mixed with a polyester resin in a blending amount according to the purpose, and melt-kneaded in a molding machine such as an extruder, and then granulated and molded.
- Polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt, and other additives may be blended together with a crystal nucleating agent for a polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt. After molding the polyester resin containing the crystal nucleating agent, other additives may be added and molded using a molding machine.
- additives examples include phenolic antioxidants, phosphorus antioxidants, ultraviolet absorbers, hindered amine compounds, heavy metal deactivators, other crystal nucleating agents other than the crystal nucleating agent used in the present invention, difficulty Examples include flame retardants, metal soaps, hydrotalcite, fillers, lubricants, antistatic agents, pigments, dyes, and plasticizers.
- the amount of the phenolic antioxidant used is 0.001 to 10 parts by mass, and more preferably 0.01 to 5 parts by mass with respect to 100 parts by mass of the polyester resin.
- the said phosphorus antioxidant can mention the same thing as the above.
- the amount of the phosphorus-based antioxidant used is 0.001 to 10 parts by mass, more preferably 0.01 to 5 parts by mass with respect to 100 parts by mass of the polyester resin.
- Examples of the ultraviolet absorber include the same as those described above.
- the amount of the ultraviolet absorber used is 0.001 to 5 parts by mass, more preferably 0.005 to 0.5 parts by mass, with respect to 100 parts by mass of the polyester resin.
- hindered amine light stabilizer examples include the same ones as described above.
- the amount of the hindered amine light stabilizer used is 0.001 to 5 parts by mass, and more preferably 0.005 to 0.5 parts by mass with respect to 100 parts by mass of the polyester resin.
- the amount of the other crystal nucleating agent used is such that the total amount with the crystal nucleating agent used in the present invention is 0.001 to 1 part by mass with respect to 100 parts by mass of the polyester resin.
- the flame retardant examples include the same as those described above.
- the flame retardant is used in an amount of 1 to 70 parts by weight, more preferably 10 to 30 parts by weight with respect to 100 parts by weight of the polyester resin.
- the method of molding the polyester resin is not particularly limited, and known molding methods such as extrusion molding, injection molding, hollow molding, blow, film, and sheet can be used.
- the temperature condition of the extruder is preferably such that the screw part temperature is within the melting point of the polyester resin plus 50 ° C. If the screw temperature is too low, a short circuit will occur and the molding will become unstable, and it will easily fall into an overload, and if the screw part temperature is too high, the resin will be thermally decomposed and the physical properties of the resulting molded product will be reduced. Since it may be colored, it is not preferable.
- the polyester resin molded body is stretched by pre-molding the polyester resin and then stretching it by applying stress so as to be stretched in the stretching direction uniaxially, biaxially, etc. ) In the temperature range of 80 to 200 ° C.
- the annealing treatment refers to heating the polyester resin molded body at a temperature not lower than the glass transition temperature of the polyester resin and not higher than the melting point within a range of 1 second to 2 minutes.
- the crystallinity of the polyester resin molded article can be improved even in a short time of less than 1 second, it is preferably 1 second or more in order to make the annealing effect constant for quality control, and if it exceeds 2 minutes, the polyester resin is crystallized. May become too white and may lose transparency.
- the heating temperature is lower than the glass transition temperature, the crystallinity of the polyester resin molded body is hardly improved, and when the temperature is higher than the melting point, the polyester resin melts and the appearance of the polyester resin molded body cannot be maintained.
- a preferable temperature is in the range of 100 to 200 ° C., more preferably in the range of 110 to 190 ° C., and still more preferably in the range of 120 to 180 ° C.
- the heating method is not particularly limited, and a method that can uniformly heat the entire polyester resin molded body is preferable, but a part or a plurality of parts may be heated.
- the annealing treatment may be performed a plurality of times at different temperatures.
- the above-mentioned polyester resin molded product represents a product molded by a known molding method such as extrusion molding, injection molding, hollow molding, blow, film, sheet, and the like, bottles, packaging materials, and beverage bottles.
- a known molding method such as extrusion molding, injection molding, hollow molding, blow, film, sheet, and the like, bottles, packaging materials, and beverage bottles.
- the polyester resin molding of the present invention has a gas permeability coefficient of carbon dioxide of 1.0 ⁇ 10 ⁇ 17 mol ⁇ m / m 2 ⁇ s ⁇ Pa to 5.3 ⁇ 10 ⁇ 17 mol ⁇ m / m 2 ⁇ s. -The thing within the range of Pa is preferable. If a polyester resin molded product having a gas permeability coefficient of carbon dioxide exceeding 5.3 ⁇ 10 ⁇ 17 mol ⁇ / m 2 ⁇ s ⁇ Pa is used as a packaging material, the contents may be oxidized or altered. , Taste, freshness, efficacy and the like may be rapidly impaired, which is not preferable.
- a polyester resin molded article having a gas permeability coefficient of carbon dioxide gas of less than 1.0 ⁇ 10 ⁇ 17 mol ⁇ m / m 2 ⁇ s ⁇ Pa is preferable because it is difficult to produce under practical molding conditions. Absent.
- the gas permeability coefficient of carbon dioxide can be measured according to JIS K7126-1.
- the method for producing a crystal nucleating agent for polyester resin according to the present invention is a method for producing a crystal nucleating agent for polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt, wherein the crystal nucleating agent for polyester resin is water-containing. After drying until the rate becomes 8% by mass or less, the mixture is pulverized by a pulverizer that does not use a pulverizing medium.
- the pulverization method of the present invention will be described in detail below.
- the polyester resin crystal nucleating agent comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt according to the present invention represents a metal salt of a compound having a sulfonamide skeleton or a sulfonimide skeleton.
- Examples of the compound having a sulfonamide skeleton or a sulfonimide skeleton include the same compounds as those mentioned for the metal salt of the sulfonamide compound related to the polyester fiber.
- Preferred compounds having a sulfonamide skeleton or a sulfonimide skeleton are the same as those for the polyester fiber.
- Examples of the metal in the metal salt of the sulfonamide compound or the sulfonimide compound include the same metals as those mentioned in the metal salt of the sulfonamide compound. Preferred metals are the same as above.
- a known dryer can be used as a method for drying the water content of the crystal nucleating agent for polyester resin to 8% by mass or less.
- the dryer used in the present invention include a spray dryer, a vacuum freeze dryer, a vacuum dryer, a stationary shelf dryer, a mobile shelf dryer, a fluidized bed dryer, a rotary dryer, a stirring dryer, and the like. Is mentioned.
- the water content of the crystal nucleating agent for polyester resin is, using Rigaku Corporation Thermo Plus 2, under the condition of nitrogen (flow rate: 200 ml / min), sample: 5 mg, heating rate: 50 ° C./min.
- the weight loss when the temperature reaches 150 ° C. from room temperature is the moisture content contained in the measurement sample, and the ratio between the moisture content and the weight of the measurement sample is evaluated as the moisture content.
- the polyester resin What is necessary is just to dry the moisture content of the crystal nucleating agent for water to 8 mass% or less, Preferably drying of 5 mass% or less is preferable.
- the pulverization time of the crystal nucleating agent for polyester resin by the pulverizer becomes long and the pulverization efficiency deteriorates, the pulverized products aggregate in the pulverization tank, or the pulverization tank There is a possibility that the pulverized product adheres to and hardens, or secondary agglomeration occurs after pulverization.
- drying to less than 0.01% by mass is uneconomical, and it is sufficient that it is dried within the range of 0.01 to 8% by mass in the pulverization method of the present invention.
- the polyester resin crystal nucleating agent is dried until the water content becomes 8% by mass or less, and then pulverized by a pulverizer without using a pulverizing medium.
- the grinding medium refers to a solid material, for example, non-metal such as glass, meno, silicon nitride, zirconia, steatite, etc .; metal such as alumina, titania, etc .; tungsten carbide, chrome Examples thereof include those made of alloys such as steel and stainless steel.
- the form is not limited, and examples thereof include beads and balls.
- the pulverizer used in the present invention is not particularly limited as long as the pulverizing medium is not used, and pulverization using a roll type, a high-speed rotational impact type, an airflow type, or a shearing / grinding type pulverization method. These may be a combination of these pulverization methods, or may be a combination of pulverization devices, and a system incorporating a classification mechanism can also be employed.
- Examples of the roll type pulverizer include a roll rotating mill in which pulverization is performed between rotating rolls, a roller rolling mill in which a roller rolls in a table or a container, and the like.
- Examples of the above high-speed rotational impact type pulverizer include those that collide a sample with a high-speed rotating rotor and achieve miniaturization by the impact force.
- a fixed or swing type impactor is attached to the rotor.
- Hammer mill type hammer type, pin mill type rotating disk type with a pin and impact head attached to a rotating disk, axial flow type that pulverizes while the sample is conveyed in the shaft direction, and refinement of particles in a narrow annular part An annular type etc. are mentioned.
- the airflow crusher (jet mill) is a type that uses the kinetic energy of a high-speed gas-fluid to accelerate and collide the sample and crush it.
- those which are mainly pulverized mainly by making particles by friction between particles are mainly pulverized mainly by making particles by friction between particles.
- shearing / grinding type pulverizer examples include a grinding type pulverizer using a shear friction force under a compressive force.
- a kinetic force is exerted on the medium by a container-driven mill that drives an internal pulverizing medium and a stirring mechanism inside the container when the container rotates or vibrates.
- a medium stirring mill that gives Examples of the container-driven mill include a rolling ball mill such as a ball mill, a vibration mill, a centrifugal mill, a planetary mill, a high swing mill, and the like. Examples include a tank type, a distribution pipe type, and an annular type.
- the polyester resin crystal nucleating agent has a volume average particle diameter of preferably 0.5 to 50 ⁇ m, more preferably 1 ⁇ m to 30 ⁇ m by a pulverizer not using the pulverizing medium, And it grind
- the volume average particle size is less than 0.5 ⁇ m, energy consumption required for pulverization increases, which is uneconomical. If it exceeds 50 ⁇ m, the pulverized product is not dispersed in the polyester resin when molded into the polyester resin. In some cases, the appearance of the molded product may be impaired. If the 250 ⁇ m mesh path is less than 90% by mass, coarse particles may remain unmelted in the resin during melt kneading with the polyester resin, which may adversely affect the appearance and physical properties of the molded product.
- the recovery rate of the pulverized product of the polyester resin crystal nucleating agent is preferably 90% or more, more preferably 95% or more. If it is less than 90%, it may accumulate in the pulverizing tank of the pulverizer and hinder pulverization.
- the pulverized product of the polyester resin crystal nucleating agent is preferably further dried to a moisture content of 1% by mass or less.
- a water content exceeding 1% by mass is blended with a polyester resin and molded, bubbles may be generated to impair the appearance of the molded product.
- a known drying method can be used in the same manner as described above.
- agglomerated material When the pulverized products are agglomerated by weak interparticle attraction, it is preferable to use the agglomerated material after crushing.
- a known crushing treatment device can be used, and examples thereof include a jet mill and a Henschel mixer.
- polyester resin according to the present invention a normal thermoplastic polyester resin is used and is not particularly limited, and examples thereof include the same as described above.
- one or more polyester resins selected from the group consisting of polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate and polylactic acid are preferably used, and in particular, polyethylene terephthalate is more preferable because it is excellent in transparency and inexpensive. .
- the polyester resin may be a single resin or a blend of a plurality of resins (for example, a blend of polyethylene terephthalate and polybutylene terephthalate), or a copolymer thereof (for example, a copolymer of polybutylene terephthalate and polytetramethylene glycol).
- a melting point of 200 ° C. to 300 ° C. are preferably used because they exhibit heat resistance.
- the amount of the polyester resin crystal nucleating agent added to 100 parts by mass of the polyester resin is 0.001 to 1 part by mass, and more preferably 0.005 to 0.5 part by mass. When the amount is less than 0.001 part by mass, the effect as a crystal nucleating agent is low. When the amount is more than 1 part by mass, the dispersibility in the polyester resin is lowered, which may adversely affect the appearance and physical properties of the molded product. .
- the polyester resin containing the polyester resin crystal nucleating agent may further contain other usual additives as required.
- a method for blending other additives there is a method in which other additives are mixed with a polyester resin in a blending amount according to the purpose, and melt-kneaded in a molding machine such as an extruder, and then granulated and molded.
- Other additives may be blended together with the crystal nucleating agent for the polyester resin, and after molding the polyester resin blended with the crystal nucleating agent for the polyester resin, other additives are added to the molding process. You may shape
- additives examples include phenolic antioxidants, phosphorus antioxidants, ultraviolet absorbers, hindered amine compounds, heavy metal deactivators, other crystal nucleating agents other than the crystal nucleating agent used in the present invention, difficulty Examples include flame retardants, metal soaps, hydrotalcite, fillers, lubricants, antistatic agents, pigments, dyes, and plasticizers.
- the amount of the phenolic antioxidant used is 0.001 to 10 parts by mass, and more preferably 0.01 to 5 parts by mass with respect to 100 parts by mass of the polyester resin.
- the amount of the phosphorus-based antioxidant used is 0.001 to 10 parts by mass, more preferably 0.01 to 5 parts by mass with respect to 100 parts by mass of the polyester resin.
- Examples of the ultraviolet absorber include the same as those described above.
- the amount of the ultraviolet absorber used is 0.001 to 5 parts by mass, more preferably 0.005 to 0.5 parts by mass, with respect to 100 parts by mass of the polyester resin.
- hindered amine light stabilizer examples include the same ones as described above.
- the amount of the hindered amine light stabilizer used is 0.001 to 5 parts by mass, and more preferably 0.005 to 0.5 parts by mass with respect to 100 parts by mass of the polyester resin.
- the amount of the other crystal nucleating agent used is such that the total amount with the crystal nucleating agent used in the present invention is 0.001 to 1 part by mass with respect to 100 parts by mass of the polyester resin.
- the flame retardant examples include the same as those described above.
- the flame retardant is used in an amount of 1 to 70 parts by weight, more preferably 10 to 30 parts by weight with respect to 100 parts by weight of the polyester resin.
- the molding method of the polyester resin composition of the present invention is not particularly limited, and known molding methods such as extrusion molding, injection molding, hollow molding, blow, film, and sheet can be used.
- the temperature condition of the extruder is preferably such that the screw part temperature is within the melting point of the resin plus 50 ° C. If the screw temperature is too low, a short circuit will occur and the molding will become unstable or easily overloaded, and if the molding temperature is too high, the resin will be thermally decomposed and the physical properties of the resulting molded product will be reduced or colored. It is not preferable because it may cause
- the molded product may be annealed.
- the annealing treatment is a heat treatment of the molded product within a range of 1 second to 2 minutes at a temperature not lower than the glass transition temperature of the polyester resin and not higher than the melting point.
- the crystallinity of the molded product can be improved in a short time of less than 1 second, 1 second or more is preferable in order to keep the annealing effect constant for quality control, and the crystallization of the molded product proceeds after 2 minutes. Too much whitening and transparency may be impaired.
- a more preferable temperature is in the range of glass transition temperature to glass transition temperature + 150 ° C., and particularly preferably in the range of glass transition temperature + 50 ° C. to glass transition temperature + 120 ° C.
- the heating method is not particularly limited, and a method that can uniformly heat the entire molded product is preferable, but a part or a plurality of parts may be heated. Moreover, as long as the temperature does not impair the appearance of the molded product, the annealing treatment may be performed a plurality of times at different temperatures.
- polyester resin composition of the present invention include bottles, packaging materials, beverage bottles, food containers, cosmetics, medical containers, food packaging materials, wrapping materials, sheets and films, and protective sheets for electrical appliances. It can be used for packaging materials for transportation, protective films for electronic materials, daily goods, toys and the like.
- the method for producing a plastic bottle of the present invention is a method for producing a plastic bottle formed by molding a polyester resin composition containing a crystal nucleating agent for a polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt.
- a masterbatch containing 0.1 to 90 parts by mass of the crystal nucleating agent for polyester resin with respect to 100 parts by mass of the polyester resin having a viscosity of 0.5 to 1.1 dL / g is prepared.
- the resin composition containing 0.005 to 0.025 parts by mass of the crystal nucleating agent for polyester resin with respect to 100 parts by mass of polyester resin having an intrinsic viscosity of 0.5 to 1.1 dL / g,
- the resin composition is stretch blow molded into a bottle shape at a mold temperature of 85 to 160 ° C.
- the polyester resin used for this invention there is no restriction
- polyethylene terephthalate and polybutylene terephthalate are preferably used because of good transparency.
- the polyester resin may be a single or a blend of a plurality of resins (for example, a blend of polyethylene terephthalate and polybutylene terephthalate), or a polyester resin made of a copolymer thereof.
- polyester resins include those obtained by a transesterification reaction between dimethyl terephthalate and ethylene glycol or a polycondensation reaction of a product obtained by esterification reaction between terephthalic acid and ethylene glycol.
- the polycondensation reaction is usually carried out at a temperature of 265 to 300 ° C., preferably 270 to 290 ° C. under a reduced pressure of 1 hectopascal.
- this process may be a batch type or a continuous type.
- transesterification catalyst is not particularly limited.
- manganese compounds, calcium compounds, magnesium compounds, titanium compounds, zinc compounds, cobalt compounds, sodium compounds, potassium compounds, and cerium compounds that are widely used as transesterification catalysts for polyethylene terephthalate. And lithium compounds.
- polyester resin when the polyester resin is produced by the above esterification reaction, it is optional to add a catalyst compound separately from the raw material since the raw material dicarboxylic acid itself has a catalytic action.
- the polycondensation catalyst used is not particularly limited, and examples thereof include an antimony compound, a germanium compound, a titanium compound, a tin compound, an aluminum compound, and the like, and one or more kinds of catalysts are used. Can do.
- antimony compound examples include antimony trioxide, antimony pentoxide, antimony acetate, antimony glycoxide, and the like.
- germanium compound examples include germanium dioxide and germanium tetrachloride.
- titanium compound examples include tetra-n-propyl titanate, tetraisopropyl titanate, tetra-n-butyl titanate, tetraisobutyl titanate, tetra-tert-butyl titanate, tetracyclohexyl titanate, tetraphenyl titanate, tetrabenzyl titanate, and oxalic acid.
- Narubutsu polyhydric alcohols having at least two hydroxyl groups and orthoester or condensed orthoester of titanium, such as the reaction product consisting of 2-hydroxycarboxylic acids and bases.
- tin compound examples include dibutyltin oxide, methylphenyltin oxide, tetraethyltin oxide, hexaethylditin oxide, triethyltin hydroxide, monobutylhydroxytin oxide, triisobutyltin acetate, diphenyltin dilaurate, monobutyltin trichloride, Examples thereof include dibutyltin sulfide, dibutylhydroxytin oxide, methylstannic acid, and ethylstannic acid.
- Examples of the aluminum compound include aluminum formate, aluminum acetate, basic aluminum acetate, aluminum propionate, aluminum oxalate, aluminum acrylate, aluminum laurate, aluminum stearate, aluminum benzoate, aluminum trichloroacetate, aluminum lactate, Carboxylic acid salts such as aluminum citrate, aluminum tartrate and aluminum salicylate, inorganic acid salts such as aluminum chloride, aluminum hydroxide, aluminum hydroxide chloride, aluminum nitrate, aluminum sulfate, aluminum carbonate, aluminum phosphate and aluminum phosphonate It is done.
- an acid component and / or a glycol component can be contained as a copolymer component within a range not losing characteristics.
- the acid component include isophthalic acid, adipic acid, sebacic acid, glutaric acid, diphenylmethane dicarboxylic acid, dimer acid, 2,6-naphthalenedicarboxylic acid, 4,4′-biphenyldicarboxylic acid, and the like.
- the stabilizer can be supplied before the polycondensation reaction.
- Stabilizers include carbomethoxymethanephosphonic acid, carboethoxymethanephosphonic acid, carbopropoxymethanephosphonic acid, carbobutoxymethanephosphonic acid, carbomethoxy-phosphono-phenylacetic acid, dimethyl esters of carbobutoxy-phosphono-phenylacetic acid, diethyl Examples thereof include phosphorus compounds such as esters, dipropyl esters, and dibutyl esters.
- the polyester resin used in the present invention is particularly preferably polyethylene terephthalate having an intrinsic viscosity in the range of 0.5 to 1.1 dL / g, particularly 0.8 to 1.0 dL / g. If it is less than 0.5 dL / g, there is a problem that the physical properties of the molded product are deteriorated, whitening, and heat resistance is insufficient. If it exceeds 1.1 dL / g, a molding process at a high temperature is required, or a preform is formed. Is not preferable because it cannot be stretch blow molded.
- polyester resins used in the present invention polyethylene terephthalate having a glass transition point of 50 to 90 ° C. and a melting point of 200 to 280 ° C. is excellent in terms of heat resistance, pressure resistance and heat pressure resistance. Is preferred.
- the polyester resin crystal nucleating agent comprising a sulfonamide compound metal salt or a sulfonimide compound represents a metal salt of a compound having a sulfonamide skeleton or a sulfonimide skeleton.
- the compound having a sulfonamide skeleton or a sulfonimide skeleton include the same compounds as those mentioned for the metal salt of the sulfonamide compound related to the polyester fiber.
- Preferred compounds having a sulfonamide skeleton or a sulfonimide skeleton are the same as those for the polyester fiber.
- A is a halogen atom, an alkyl group having 1 to 8 carbon atoms which may have a substituent, an alkoxy group having 1 to 8 carbon atoms which may have a substituent, or 1 to 5 represents an alkylthio group, a nitro group, or a cyano group, and when there are a plurality, A may be different from each other, m represents an integer of 0 to 4, X represents a metal atom, and n represents an integer of 1 to 4. Where n represents an integer corresponding to the valence of the metal atom represented by X) It is preferable that it is a compound represented by these, and a hydrate may be included.
- alkyl group having 1 to 8 carbon atoms which may have a substituent represented by A in the general formula (2) include methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, tertiary Butyl, isobutyl, amyl, isoamyl, tert-amyl, hexyl, cyclohexyl, heptyl, isoheptyl, tert-heptyl, n-octyl, isooctyl, tert-octyl, 2-ethylhexyl trifluoromethyl, etc., among these groups
- the hydrogen atom may be substituted with a halogen atom.
- alkoxy group having 1 to 8 carbon atoms which may have a substituent represented by A in the general formula (2) include methoxy, ethoxy, propoxy, butoxy, secondary butoxy, tertiary butoxy, trioxy Fluoromethyloxy and the like can be mentioned, and a hydrogen atom in these groups may be substituted with a halogen atom.
- Examples of A in the general formula (2) include alkylthio groups such as methylthio, ethylthio, propylthio, isopropylthio, and tert-butylthio, nitro groups, and cyano groups, in addition to the above alkyl groups and alkoxy groups.
- Examples of the metal salt of the sulfonamide compound or sulfonimide compound include metals selected from lithium, potassium, sodium, magnesium, calcium, strontium, barium, titanium, manganese, iron, zinc, silicon, zirconium, yttrium, or barium.
- potassium, lithium, sodium, and calcium are preferable because they are excellent in the crystallization promoting effect of the polyester resin, and sodium is particularly preferable.
- Preferred examples of the compound represented by the general formula (2) include the following compound No. 6-No. However, the present invention is not limited to these compounds.
- the crystal nucleating agent for polyester resin is 0.005 to 0.025 parts by mass, more preferably 0.015 to 0.020 parts by mass with respect to 100 parts by mass of the polyester resin. Partly formulated. If the amount is less than 0.005 parts by mass, the effect of addition is insufficient. If the amount is more than 0.025 parts by mass, the plastic bottle may be excessively crystallized and become cloudy, which may impair the appearance of the plastic bottle.
- the crystal nucleating agent for polyester resin is first blended by preparing a masterbatch with a polyester resin and then mixing the masterbatch with the polyester resin.
- the masterbatch contains 0.1 to 90 parts by weight, preferably 0.1 to 50 parts by weight, more preferably 0.1 to 5 parts by weight of the above-mentioned crystal nucleating agent for polyester resin with respect to 100 parts by weight of the polyester resin. It is made. If the amount is less than 0.1 parts by mass, the effect obtained by blending as a masterbatch is insufficient. If the amount is more than 90 parts by mass, the shape as a masterbatch is unstable and becomes powder by impact such as transportation. Cheap.
- the method for producing the master batch is not particularly limited, and can be performed by a conventionally known method.
- the blended components may be mixed using a Henschel mixer, mill roll, Banbury mixer, super mixer, etc., and kneaded using a single screw or twin screw extruder. This mixing and kneading is usually performed at a temperature not lower than the softening point temperature of the resin and about 300 ° C.
- polyester resin composition may be added to the polyester resin composition as necessary within a range in which the characteristics of the main component polyester resin are not practically changed.
- antioxidants antioxidants
- light stabilizers composed of HALS, UV absorbers, etc .
- hydrocarbons fatty acids, fats
- Lubricants such as aliphatic alcohols, aliphatic ester compounds, aliphatic amide compounds, aliphatic carboxylic acid metal salts or other metal soaps; heavy metal deactivators; antifogging agents; cationic surfactants, anions
- Antistatic agent comprising a surfactant, nonionic surfactant, amphoteric surfactant, etc .
- halogen compound phosphate ester compound; phosphate amide compound; melamine compound; fluororesin or metal oxide
- Flame retardants such as poly) melamine phosphate and (poly) phosphate piperazine
- fillers such as glass fiber and calcium carbonate; anti-blocking agents; antifogging agents; slip agents; pigments; Lucite, fumed silic
- antioxidant examples include the same as those described above.
- Examples of the phosphorus antioxidant include triphenyl phosphite, tris (2,4-ditertiarybutylphenyl) phosphite, tris (2,5-ditertiarybutylphenyl) phosphite, and tris (nonylphenyl).
- Phosphite tris (dinonylphenyl) phosphite, tris (mono, dimixed nonylphenyl) phosphite, diphenyl acid phosphite, 2,2'-methylenebis (4,6-ditert-butylphenyl) octyl phosphite , Diphenyldecyl phosphite, diphenyloctyl phosphite, di (nonylphenyl) pentaerythritol diphosphite, phenyl diisodecyl phosphite, tributyl phosphite, tris (2-ethylhexyl) phosphite, tridecyl phosphite, trilauryl phosphat , Dibutyl acid phosphite, dilauryl acid phosphite, trilauryl trithiopho
- sulfur-based antioxidant examples include dialkylthiodipropionates such as dilauryl, dimyristyl, myristylstearyl, and distearyl esters of thiodipropionic acid, and polyols such as pentaerythritol tetra ( ⁇ -dodecylmercaptopropionate).
- dialkylthiodipropionates such as dilauryl, dimyristyl, myristylstearyl, and distearyl esters of thiodipropionic acid
- polyols such as pentaerythritol tetra ( ⁇ -dodecylmercaptopropionate).
- HALS examples include 1,2,2,6,6-pentamethyl-4-piperidyl stearate, bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, and bis (1-octoxy).
- -2,2,6,6-tetramethyl-4-piperidyl) sebacate 1,2,2,6,6-pentamethyl-4-piperidyl methacrylate, 2,2,6,6-tetramethyl-piperidyl methacrylate, tetrakis (1,2,2,6,6-pentamethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate, bis (1,2,2,6,6-pentamethyl-4-piperidyl) Bis (tridecyl) -1,2,3,4-butanetetracarboxylate, bis (1,2,2,6,6-pentamethyl-4-piperidyl) -2-butyl- -(3,5-ditert-butyl-4-hydroxybenzyl) malonate
- Examples of the ultraviolet absorber include the same as those described above.
- Examples of the aliphatic amide compound used as the lubricant include monofatty acid amides such as lauric acid amide, stearic acid amide, oleic acid amide, erucic acid amide, ricinoleic acid amide, and 12-hydroxystearic acid amide; N, N '-Ethylenebislauric acid amide, N, N'-methylenebisstearic acid amide, N, N'-ethylenebisstearic acid amide, N, N'-ethylenebisoleic acid amide, N, N'-ethylenebisbehenic acid Amide, N, N′-ethylenebis-12-hydroxystearic acid amide, N, N′-butylene bisstearic acid amide, N, N′-hexamethylene bisstearic acid amide, N, N′-hexamethylene bisoleic acid N, N′-, such as amide, N, N′-xylylene bis-stearic acid amide Fatty acid amides; alkylo
- Examples of the flame retardant include phosphorus such as triphenyl phosphate, phenol / resorcinol / phosphorus oxychloride condensate, phenol / bisphenol A / phosphorus oxychloride condensate, 2,6-xylenol / resorcinol / phosphorus oxychloride condensate, etc.
- phosphorus such as triphenyl phosphate, phenol / resorcinol / phosphorus oxychloride condensate, phenol / bisphenol A / phosphorus oxychloride condensate, 2,6-xylenol / resorcinol / phosphorus oxychloride condensate, etc.
- Acid esters such as aniline / phosphorus oxychloride condensate, phenol / xylylenediamine / phosphorus oxychloride condensate; phosphazenes; halogen flame retardants such as decabromodiphenyl ether and tetrabromobispheno A; melamine phosphate; Phosphate of nitrogen-containing organic compounds such as piperazine phosphate, melamine pyrophosphate, piperazine pyrophosphate, melamine polyphosphate, piperazine polyphosphate; red phosphorus and surface-treated or microencapsulated red phosphorus; antimony oxide, zinc borate Flame retardant aids such as Tetrafluoroethylene, anti-drip agents such as silicone resins. Relative to the polyester to 100 parts by mass, preferably 1 to 30 parts by weight, more preferably 5 to 20 parts by weight is used.
- a solvent that dissolves in the glycol component is preferably one that does not adversely affect the polycondensation reaction of polyethylene terephthalate, and ethylene glycol is particularly preferable.
- the blow molding method is not particularly limited, and examples thereof include a direct blow method in which blow molding is performed after forming a preform by extrusion molding, and an injection blow molding method in which blow molding is performed after molding a preform (parison) by injection molding. It is done.
- Examples of the latter injection blow molding method include a hot parison method (one-stage method) in which blow molding is continuously performed after preform molding, and a cold parison method in which the preform is cooled and taken out and then heated again to perform blow molding. Any of the two-stage methods can be employed.
- the preform can be composed of two or more layers of polyester resin, and an inner layer and an outer layer composed of two or more layers of polyester resin. Further, an intermediate layer can be inserted, and the intermediate layer can be a barrier layer or an oxygen absorbing layer.
- barrier layer examples include those that suppress the permeation of oxygen from the outside to the plastic bottle and prevent the contents from being altered, and are particularly suitable for plastic bottles for beverages containing carbon dioxide gas.
- the oxygen absorbing layer absorbs oxygen and prevents permeation of oxygen in the plastic bottle, and an oxidizable organic substance or a transition metal catalyst, or a resin having a high gas barrier property that does not substantially oxidize is used.
- the preform can be produced by a known injection molding machine or extrusion molding machine, and the polyester resin crystal nucleating agent is added in an amount of 0.1 to 100 parts by mass with respect to 100 parts by mass of the polyester resin.
- a polyester resin prepared by blending 90 parts by mass of a masterbatch with a polyester resin so that the polyester resin crystal nucleating agent component is 0.005 to 0.025 parts by mass with respect to 100 parts by mass of the polyester resin.
- a preform is produced using the composition.
- the inner and outer layers are made of polyester resin, and one or more layers between the inner and outer layers.
- a multilayer preform can be manufactured by inserting an oxygen absorbing layer.
- the preform when the preform is formed by stretch blow, the preform is heated and stretched at a temperature equal to or higher than the glass transition point.
- the heating temperature of the preform can be employed in the range of 85 ° C to 135 ° C, more preferably 90 to 130 ° C. If it is less than 85 ° C., the preform cannot be softened sufficiently and stretch blow molding cannot be performed. If the temperature exceeds 135 ° C. or the heating time is too long, crystallization of the preform proceeds excessively, Uniform stretching may not be possible, or the transparency of the plastic bottle may be reduced.
- a preform heated at a predetermined temperature is stretched by stretch blow molding.
- the mold temperature is 85 to 160 ° C., more preferably 90 to 145 ° C. If it is less than 85 ° C., the heat shrinkage of the molded product may be remarkably unstable, and if it exceeds 160 ° C., thermal decomposition of the resin may increase, and foreign matter may easily adhere to the mold.
- the plastic bottle obtained is heated to 180 to 245 ° C., more preferably 200 to 235 ° C., and the mold temperature is heated to a temperature of 100 to 230 ° C., more preferably 110 to 200 ° C. Reshape the bottle. If the mold temperature is less than 100 ° C, sufficient heat resistance cannot be obtained, and if it is 230 ° C or more, the shape of the molded product may not be maintained.
- the draw ratio in blow molding is not particularly limited, but it is desirable that the longitudinal draw ratio ⁇ the transverse draw ratio is 3 to 14 times, preferably 4 to 12 times. If it is 14 times or more, whitening of the plastic bottle may occur due to overstretching. If it is less than 3 times, it is necessary to reduce the thickness of the preform, but if it is reduced, it becomes difficult to form a uniform thickness. .
- the plastic bottle manufactured by the manufacturing method of the present invention is used in an aseptic filling system.
- the bottle of the plastic bottle by high temperature filling is crystallized by crystallizing the bottle neck portion of the plastic bottle.
- the deformation of the part can be prevented.
- Insufficient mouth crystallization causes problems such as deformation when capping a plastic bottle, leakage of the contents after cooling the plastic bottle filled with contents, and loosening of the cap. There is a case.
- the mouth portion As a method for crystallizing the mouth portion, it can be crystallized by heating the mouth portion of a preform or a plastic bottle before blow molding or after blow molding.
- the temperature for heat crystallization is preferably 160 to 200 ° C., more preferably 160 to 180 ° C.
- the density of the plastic bottle when manufacturing as a heat resistant plastic bottle, it is necessary to set the density of the plastic bottle to an appropriate value. If the density is too high, the degree of crystallinity of the plastic bottle will be excessively high, which may hinder blow molding.If the density is too low, the plastic bottle will be heated and deformed. May leak.
- the density is appropriately selected depending on the polyester resin.
- plastic bottles produced by the production method of the present invention include ordinary bottles, carbonate bottles, hot filling bottles, hot compatible bottles, heat and pressure resistant bottles, etc.
- dairy products tea, soft drinks, carbonated drinks, barley wine, wine, shochu, sake containers, etc.
- soy sauce cooking oil, salad dressing, condiment storage containers such as spices, shampoo, rinse detergent containers, cosmetics Examples include containers.
- the plastic bottle manufactured by the manufacturing method of the present invention can be used for a small bottle having a capacity of several ml to a large bottle having a capacity exceeding 5L.
- the thickness of the plastic is not particularly limited as long as it can protect the contents, and is usually preferably in the range of 0.1 mm to 1 mm at the thinnest part.
- the outer surface of the plastic bottle is coated with a film such as polyethylene / polypropylene or a laminate film with ceramic / silica bonded together, or the bottle inside is deposited with metal oxide, amorphous carbon, etc. Can be used.
- an aseptic filling system for the plastic bottle produced by the production method of the present invention, it can be adopted in a known manner. Specifically, a system comprising a combination of a container sterilization section and an aseptic filling section can be mentioned.
- the container sterilization section the plastic bottle is cleaned with warm water or a chlorinated chemical including hydrogen peroxide, peracetic acid, hypochlorous acid, ozone, etc., and then sterilized into a plastic bottle.
- the plastic bottle is sterilized by a method such as injecting a solvent or immersing it in a medicine, then the plastic bottle mouth is turned down, the sterilizing solvent or medicine is discharged, and the residue is removed with air or the like. .
- a sterilized container is filled with sterilized contents and capped.
- the method for sterilizing the contents include a method of filtering bacteria by ultrafiltration and a method of instant sterilization by high-temperature and short-time sterilization.
- the upper limit temperature when filling the contents is 40 ° C, more preferably 30 to 40 ° C. However, when a cooling step is added after filling, an upper limit temperature of 50 to 60 ° C. can be adopted.
- Examples 1-1 to 1-6, Comparative Examples 1-1 to 1-3 Hereinafter, the present invention will be described in detail by specifically illustrating production examples, examples and comparative examples, but the present invention is not limited by these examples and the like. Moreover, the average particle diameter and water content of the sodium sulfonate metal salt were measured by the following methods.
- the average particle diameter is measured by a laser diffraction / scattering method (microtrack method) using a laser diffraction / scattering particle size distribution meter (Microtrack MT3000II; manufactured by Nikkiso Co., Ltd.). Volume distribution) was measured, and in the obtained particle size distribution histogram, the particles having a smaller particle diameter were integrated, and the numerical value at which the integrated value was 50% was taken as the average particle diameter.
- the moisture content was room temperature under the conditions of a nitrogen atmosphere (flow rate: 200 ml / min), a measurement sample: 5 mg, and a heating rate: 50 ° C./min using Rigaku Corporation Thermoplus 2 / (TG-DTA series). The weight loss when the temperature reached 150 ° C. was determined as the amount of water.
- seat of 60 mm x 60 mm x 1mm is shape
- N-1 1,2-benzisothiazol-3 (2H) -one-1,1-dioxide sodium salt
- P-1 2,2-methylenebis (4,6-di-t-butylphenyl) octylphos
- Phyto P-2 Bis (2,4-di-t-butylphenyl) pentaerythritol diphosphite
- P-3 Bis (2,6-di-t-butyl-4-ethylphenyl) pentaerythritol diphosphite
- P -4 Tris (2,4-di-t-butylphenyl) phosphite
- A-1 Tetrakis [methylene-3- (3,5-di-t-butyl-4'-hydroxyphenyl) propionate] methane
- A- 2 2,4,8,10-tetra-tert-butyl-6- [3- (3-methyl-4-hydroxy-5-tert-butylphenyl) propyl
- the coloration of the polyethylene terephthalate resin could be suppressed by using a metal salt of a sulfonamide compound and a phosphorus antioxidant together.
- a metal salt of a sulfonamide compound and a phosphorus antioxidant together.
- coloring was particularly suppressed.
- phosphorus antioxidant bis (2,6-di-t-butyl-4-ethylphenyl) pentaerythritol phosphite was added and mixed well, and a conical twin screw extruder (equipment: stock) Labo plast mill manufactured by Toyo Seiki Seisakusho, cylinder temperature: T1 (250 ° C.), T2 to T4 (290 ° C., screw speed: 50 rpm) was granulated to prepare master batch pellets. Before mixing, the polyethylene terephthalate resin was dried under reduced pressure at 160 ° C. for 5 hours.
- the 1,2-benzisothiazol-3 (2H) -one-1,1-dioxide sodium salt of the sulfonamide compound metal salt is dried under reduced pressure at 130 ° C. for 4 hours, and the water content is changed to the metal salt of the sulfonamide compound. 0.1 wt%.
- Comparative Examples 2-1 and 2-3 in Table 2 when the water content in the metal salt of the sulfonamide compound exceeds 3% by weight with respect to the polyester resin composition, (Comparative Example 2-1: 9.3%) Comparative Example 2-3: 6.5%), there was a problem that the viscosity of the polyester resin was lowered, the resin was colored, and the shape stability of the granulated pellet was lowered. Further, from Comparative Example 2-4, even if the water content in the metal salt of the sulfonamide compound is 3% or less by mass ratio with respect to the polyester resin composition, it exceeds 20% by mass ratio with respect to the metal salt of sulfonamide compound. There are problems such as coloring the polyester resin and lowering the viscosity.
- the pellet shape was not stable when the addition amount of the phosphorus-based antioxidant exceeded 30 parts by mass with respect to 100 parts by mass of the polyester resin. Further, from Comparative Example 2-5, since the water content as the polyester resin composition was sufficiently small, pellets could be produced without any problem. However, the addition amount of the sulfonamide compound metal salt was 0.05 phr, The concentration was low for use as a master batch, and the addition effect as a master batch was hardly obtained.
- the amount of water contained in the metal salt (B) of the sulfonamide compound is within the range of 0.1% to 20% by mass ratio to the metal salt of the sulfonamide compound.
- the polyester resin composition of the present invention having a mass ratio of 3% or less with respect to the polyester resin composition was excellent in processability and could be granulated without problems.
- Heat shrinkage The heat shrinkage rate was evaluated according to German Industrial Standard DIN 53866 T3. The test piece was allowed to stand in a thermostatic chamber at 180 ° C. for 15 minutes while maintaining a state where the test piece was pulled at a tension of 5 mN / tex. Thereafter, the fiber length was measured by returning to room temperature while maintaining the tension, and the shrinkage ratio relative to the length when the untreated fiber was pulled at a tension of 5 mN / tex was determined as the heat shrinkage ratio.
- the residual elongation was measured as a creep property by the following method.
- the test piece is set in the clamp with a tension of 2 mN / tex in advance, pulled at a speed of 50 mm / min until the elongation rate of the test piece reaches 7%, and maintained for 1 hour. It returned to the position, and the elongation rate of the test piece when the test piece was pulled again at a speed of 50 mm / min until there was no sagging of the test piece was defined as the residual elongation rate.
- the fibers are bundled and filled in a measurement sample holder, and X-ray diffraction (Cu-K ⁇ ray, 40 kV / 40 mA, step width: 0.1 °, scan speed: 5 seconds / step, scan range: 5 to 60 °, transmission ) In the continuous step scanning mode. Crystallinity was evaluated by the crystallinity Xc.
- the area of the X-ray spectrum of the amorphous PET resin is calculated in advance, and the total area of the X-ray spectrum of the measurement sample is obtained by subtracting the area of the X-ray spectrum of the amorphous PET resin from the area of the X-ray spectrum of the measurement sample.
- the crystallinity of the measurement sample was evaluated using the ratio of the above as the crystallinity Xc.
- Examples 3-1 to 3-3 To 100 parts by mass of polyethylene terephthalate resin (TR-8550 manufactured by Teijin Chemicals Ltd.) previously dried at 180 ° C., 0.3 part by mass of the crystal nucleating agent for polyester resin shown in Table 5 below is blended and mixed well. Then, melt-kneading with a twin screw extruder (PTW16 manufactured by HAAKE; cylinder temperature: 285 ° C.) and drawing with a winding device (SAHM manufactured by Germany) under the conditions described in Table 3 below to prepare fibers at room temperature Cooled to. About the cooled fiber, the fiber was extended
- a twin screw extruder PTW16 manufactured by HAAKE; cylinder temperature: 285 ° C.
- Example 3-1 A fiber was obtained in the same manner as in Example 3-1, except that a polyester resin crystal nucleating agent comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt was not blended. It was.
- the polyester fiber of the present invention is blended with a crystal nucleating agent for polyester resin comprising a sulfonamide compound metal salt or a sulfonimide compound metal salt. It was confirmed that a small polyester fiber can be obtained.
- Example 4-1 to 4-7 and Comparative Examples 4-1 to 4-4 For Examples 4-1 to 4-7 and Comparative Examples 4-1 to 4-4, the crystallinity and transparency of the polyester resin molded bodies were evaluated by the following methods.
- Transparency evaluation method Transparency was measured with Haze Guard II (manufactured by Toyo Seiki Seisakusho Co., Ltd.) by measuring the haze of the PET resin molded product. When the haze was 4 or less, it was evaluated as ⁇ , and when the haze exceeded 4, it was evaluated as x. .
- Examples 4-1 to 4-7 A polyester terephthalate resin (TR-8550 manufactured by Teijin Chemicals Co., Ltd.) 100 parts by mass is mixed with 0.02 parts by mass of a crystal nucleating agent for polyester resin described in Table 6 below, and mixed well. : Granulated at Nippon Steel Works TEX28V, cylinder temperature: 270 ° C., screw speed: 200 rpm) to obtain pellets. About the obtained pellet, a 90 mm ⁇ 90 mm ⁇ 2 mm sheet was molded by an injection molding machine (Toshiba Corporation injection molding machine EC100) (molding conditions: injection temperature 280 ° C., injection time 15 seconds, mold temperature 15 ° C., mold The mold cooling time was 20 seconds).
- TR-8550 manufactured by Teijin Chemicals Co., Ltd.
- Comparative Examples 4-1 to 4-4 In Comparative Example 4-1, a sheet was prepared in the same manner as in Example 4-1, except that the annealing treatment was not performed, and the transparency and crystallinity were evaluated.
- Comparative Example 4-2 a sheet was prepared in the same manner as in Example 4-1 except that the crystal nucleating agent for polyester resin was changed to the formulation shown in Table 6 below in Example 4-1. The transparency and crystallinity were evaluated.
- Comparative Example 4-3 a sheet was prepared in the same manner as in Example 4-3 except that the crystal nucleating agent for polyester resin was changed to the formulation shown in Table 6 below in Example 4-3. The transparency and crystallinity were evaluated.
- Comparative Example 4-4 a sheet was prepared with the same composition as in Example 4-1, and the transparency and crystallinity were evaluated by changing the annealing time to 130 seconds. These results are shown in Table 6 below.
- Examples 4-8 to 4-10 100 parts by mass of polyethylene terephthalate resin (TR-8550 manufactured by Teijin Chemicals Ltd.) is mixed with 0.3 part by mass of the crystal nucleating agent for polyester resin described in Table 7 below and mixed well. : Nippon Steel Works, Ltd. TEX28V, cylinder temperature: 270 ° C., screw speed: 200 rpm) to obtain pellets.
- the obtained pellets and the above polyethylene terephthalate resin (TR-8550 manufactured by Teijin Chemicals Ltd.) were mixed and adjusted so as to have the addition amount shown in Table 7 below, and a twin screw extruder (equipment: stock)
- the pellets were obtained by granulation with TEX28V manufactured by Nippon Steel Works, cylinder temperature: 270 ° C., screw speed: 200 rpm.
- a sheet of 100 mm ⁇ 100 mm ⁇ 2 mm was molded by an injection molding machine (EC100 manufactured by Toshiba Corporation) (molding conditions: injection temperature 280 ° C., injection time 15 seconds, mold temperature 15 ° C., mold) The cooling temperature was 20 seconds).
- the biaxial stretching apparatus was stable at the set temperature with a biaxial stretching apparatus (EX-10B manufactured by Toyo Seiki Seisakusho Co., Ltd.) under the conditions of a set temperature: 100 ° C. and a stretching speed: 2500 mm / min After confirming that it was in the state, the sheet was set and allowed to stand for 5 minutes, and then stretched three times in length and width simultaneously. The obtained stretched sheet was annealed under the conditions described in Table 7 below, and the gas permeability and gas permeability coefficient were evaluated. These results are shown in Table 7 below.
- Comparative Examples 4-5 to 4-10 a sheet was prepared in the same manner as in Example 4-8 except that the polyester resin crystal nucleating agent was not blended, and the sheet was stretched simultaneously three times in the vertical and horizontal directions. The obtained stretched sheet was evaluated for gas permeability and gas permeability coefficient without annealing.
- Comparative Example 4-6 a sheet was prepared in the same manner as in Example 4-8 except that the polyester resin crystal nucleating agent was not blended, and the sheet was stretched simultaneously three times in the vertical and horizontal directions. The obtained stretched sheet was annealed as described in Table 7 below, and then evaluated for gas permeability and gas permeability coefficient.
- Comparative Example 4-7 a pellet was obtained by the same method as in Example 4-8 so that the concentration of the crystal nucleating agent was as shown in Table 7 below, and a sheet was prepared. Stretched. The obtained stretched sheet was annealed as described in Table 7 below, and then evaluated for gas permeability and gas permeability coefficient.
- Comparative Example 4-8 a sheet was prepared in the same manner as in Example 4-9, and the sheet was stretched three times in the vertical and horizontal directions. The obtained stretched sheet was evaluated for gas permeability and gas permeability coefficient without annealing.
- Comparative Example 4-9 a sheet was prepared in the same manner as in Example 4-9, and stretched 3 times in the vertical and horizontal directions.
- the obtained stretched sheet was subjected to an annealing treatment at a temperature of 90 ° C. for 120 seconds as described in Table 7 below, and then the gas permeability and gas permeability coefficient were evaluated.
- Comparative Example 4-10 a pellet was obtained in the same manner as in Example 4-8 so that the concentration of the crystal nucleating agent was as shown in Table 7 below, but a sheet was prepared, but the sheet could not be stretched. Therefore, the gas permeability and gas permeability coefficient were not evaluated.
- Comparative Examples 4-5 and 4-6 since the crystal nucleating agent for polyester resin was not blended, after pelletizing, polyethylene terephthalate resin (TR-8550 manufactured by Teijin Chemicals Ltd.) was further mixed. I didn't do that.
- the results of Comparative Examples 4-5 to 4-10 are shown in Table 7 below.
- Example 5-1 to 5-8 Comparative Examples 5-1 to 5-8
- the pulverizers and pulverization conditions in Examples and Comparative Examples are as shown in Table 8 below.
- the pulverization methods of Examples 5-1 to 5-8 for each crystal resin nucleating agent are shown in Table 9 below, and the pulverization methods of Comparative Examples 5-1 to 5-8 are shown in Table 10 below.
- These pulverization results are shown in Table 11 below.
- the water content, the particle size of the obtained pulverized product, the mesh pass of 250 ⁇ m and the recovery rate were evaluated according to the following.
- the water content was calculated based on the following equation by measuring the water content of the crystal nucleating agent for a polyester resin before pulverization using Thermoplus 2 / (TG-DTA series) manufactured by Rigaku Corporation. The weight loss when the temperature reached 150 ° C. from room temperature under the conditions of nitrogen atmosphere (flow rate: 200 ml / min), measurement sample: 5 mg, and heating rate: 50 ° C./min was defined as the amount of water contained in the measurement sample. .
- Moisture content (%) (water content) / (measurement sample weight) ⁇ 100
- the particle diameter is measured with a laser diffraction / scattering particle size distribution meter (Microtrack particle size distribution measuring device MT3300; manufactured by Nikkiso Co., Ltd.) for a pulverized product of a crystal nucleating agent for polyester resin.
- the particle size distribution (volume distribution) was measured under a dry method, and the 50% average particle size (50% D) and 90% particle size (90% D) were determined from the obtained particle size distribution.
- the 50% average particle diameter represents a volume weighted average obtained on the assumption that the sphere has a diameter corresponding to the measured particle diameter
- the 90% particle diameter represents the particle diameter in the particle size distribution histogram. Accumulation was performed from the smallest particle size, and the initial particle diameter was 90%.
- the 250 ⁇ m mesh pass represents the proportion of the pulverized product that has passed through the 250 ⁇ m mesh pass.
- a mesh pass of 90% by mass or more was obtained with respect to the input amount of the sample, it was evaluated as ⁇ , and when it was not obtained, it was evaluated as x.
- the pulverized product was fixed in the pulverizing tank during pulverization, it was evaluated as x.
- the load resistance was examined to determine the possibility of blocking due to secondary agglomeration when the pulverized polyester nucleating agent filled in the bag was transported in a loaded state.
- an aluminum bag is filled with a pulverized product of a crystal nucleating agent for polyester resin, sealed so as not to contain air, and a load of 50 g / cm 2 is applied to the bag in a constant temperature oven at 50 ° C. And left to stand.
- blocking occurred after one month it was evaluated as x, and when it was not blocked, it was evaluated as ⁇ .
- the recovery rate represents the ratio of the pulverized product recovered with respect to the raw material. When the recovery rate was 90% or more, it was represented by ⁇ , and when the recovery rate was less than 90%, it was represented by ⁇ .
- the pulverization method of the present invention has a water content of 8% by mass or less and is pulverized by a pulverizer that does not use a pulverization medium. Thus, it was confirmed that the powder could be pulverized stably.
- Example 3 The pulverized product obtained in Example 5-2 was dried with a vacuum dryer (120 ° C. ⁇ 5 hours), and the water content was 0.3%, and a polyethylene terephthalate resin (TR-manufactured by Teijin Chemicals Ltd.) 8550) 0.3 parts by mass with respect to 100 parts by mass, mix well, and manufactured with a twin screw extruder (equipment: TEX28V manufactured by Nippon Steel Co., Ltd., cylinder temperature: 270 ° C., screw speed: 200 rpm). When it was granulated, pellets could be obtained without problems.
- a twin screw extruder equipment: TEX28V manufactured by Nippon Steel Co., Ltd., cylinder temperature: 270 ° C., screw speed: 200 rpm.
- Example 5-2 when the pulverized product obtained in Example 5-2 was granulated with a twin screw extruder in the same manner as described above without drying under reduced pressure, the strand was foamed. It was difficult to obtain pellets because it was cut off. As mentioned above, when adding to a polyester resin composition, it confirmed that it was preferable to dry and use a pulverized product until a moisture content became 1 mass% or less.
- a master batch having a concentration of 0.3% and polyethylene terephthalate (inherent viscosity: 0.8 dL / g) were mixed so as to contain 0.010 parts by mass of 6 to obtain a resin composition 1.
- the intrinsic viscosity was measured by preliminarily pulverizing the polyester resin composition of the measurement sample, drying the pulverized product at 140 ° C. for 15 minutes, weighing 0.20 g, and measuring 1,1,2,2-tetrachloroethane / phenol (weight) 20 ml of a mixed solvent with a ratio of 1/1) was added and stirred at 120 ° C. for 15 minutes for complete dissolution. After dissolution, the solution was cooled to room temperature and filtered through a glass filter.
- a comparative resin composition 1 was prepared without blending a crystal nucleating agent for polyester resin with respect to polyethylene terephthalate (inherent viscosity: 0.8 dL / g).
- Mold stain The mold after being molded continuously for 6 hours was wiped off with a white cotton cloth cloth. When the stain was confirmed, it was evaluated as x. When the stain was not confirmed, it was evaluated as ⁇ . .
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Abstract
Description
また、結晶化を進行させるために、成形品に熱処理(アニール処理)を実施すると、結晶性が改善されるものの、成形品が白化して透明性が失われ、商品価値を損なうことがあるという問題があった。
アセトアルデヒドは、ボトルにしたときに充填された内容物の風味を悪化させるため、飲料充填用に用いられるプラスチックボトルには、アセトアルデヒドの発生をできるかぎり抑制することが求められる。
また、上記環状低量体などの副生成物は、成形機の金型のベント口、あるいはブロー成形機の金型内面や金型の排気管などにおいて金型汚れとなる原因にあげられる。金型汚れは、成形品の表面荒れや白化の原因となるため金型汚れを除去する必要があるが、金型汚れの除去に伴って生産性が著しく低下する問題がある。
しかしながら、ポリエステル樹脂の中でもポリエチレンテレフタレートは結晶性樹脂でありながら結晶化速度が極めて遅いため、成形条件の幅が狭く、金型温度を下げると成形品の熱収縮が著しくなり、成形不良が多発して生産性がより悪化する問題がある。
スルホンアミド化合物の金属塩(B)に含まれる水分量が、スルホンアミド化合物の金属塩に対する質量比で0.1%~20%の範囲内であり、かつ、ポリエステル樹脂組成物に対する質量比で3%以下であることを特徴とするものである。
スルホンアミド化合物の金属塩(B)に含まれる水分量が、スルホンアミド化合物の金属塩に対する質量比で0.1%~20%の範囲内であり、かつ、ポリエステル樹脂組成物に対する質量比で3%以下であることを特徴とするものである。
本発明のポリエステル樹脂組成物について、以下に詳述する。
(式中、R1、R2、R3及びR4は、各々独立して、水素原子、分岐を有してもよい炭素原子数1~8のアルキル基、置換されていてもよい炭素原子数6~12のアリール基または炭素原子数6~12のアラルキル基を表す)で表されるリン系酸化防止剤は、ポリエステル樹脂の着色防止において特に優れるので好ましい。
0.1%よりも少ない水分量は、スルホンアミド化合物は吸湿性があるため、その水分量まで乾燥させるのは不経済である。20%を超える水分量は、ポリエステル樹脂の加水分解に伴う着色や、成形加工時の発泡問題を起こす可能性があり、ポリエステル樹脂組成物の成形品の外観を損なう場合がある。
上記紫外線吸収剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記ヒンダードアミン系光安定剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記その他の結晶核剤の使用量は、本発明で用いられる結晶核剤との合計量が、前記ポリエステル樹脂100質量部に対して、0.1~30質量部となるように用いられる。
上記難燃剤の使用量は、前記ポリエステル樹脂100質量部に対して、1~70質量部、より好ましくは、10~30質量部である。
上記その他のリン系酸化防止剤の使用量は、本発明で使用されるリン系酸化防止剤との合計量が、前記ポリエステル樹脂100質量部に対して、0.01~30質量部となるように用いられる。
本発明のポリエステル繊維について、以下に詳述する。
本発明に係るスルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤とは、スルホンアミド骨格を有する化合物の金属塩又はスルホンイミド骨格を有する化合物の金属塩を表す。スルホンアミド骨格またはスルホンイミド骨格を有する化合物としては、上記したものと同様のものが挙げられる。
本発明においては、ベンゼンスルホンアミド金属塩、トルエン-4-スルホンアミド金属塩、N-フェニル-ベンゼンスルホンアミド金属塩、N-フェニル-4-メチル-ベンゼンスルホンアミド金属塩、1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシド金属塩が好ましく用いられる。
他の添加剤としては、例えば、着色防止剤、蛍光増白剤、艶消し剤、フェノール系酸化防止剤、リン系酸化防止剤、紫外線吸収剤、ヒンダードアミン化合物、重金属不活性化剤、本発明に用いるポリエステル樹脂用結晶核剤以外のその他の結晶核剤、難燃剤、金属石鹸、ハイドロタルサイト、充填剤、滑剤、帯電防止剤、顔料、着色剤、可塑剤などがあげられる。
上記フェノール系酸化防止剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~10質量部、より好ましくは0.01~5質量部である。
上記リン系酸化防止剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~10質量部、より好ましくは0.01~5質量部である。
上記紫外線吸収剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記ヒンダードアミン系光安定剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記その他の結晶核剤の使用量は、本発明で用いられる結晶核剤との合計量が、前記ポリエステル樹脂100質量部に対して、0.001~1質量部となるように用いられる。
上記難燃剤の使用量は、前記ポリエステル樹脂100質量部に対して、1~70質量部、より好ましくは、10~30質量部である。
上記充填剤は、ポリエステル繊維の特性を損なわない範囲で適宜使用できる。
本発明のポリエステル樹脂成形体、および、その製造方法について、以下に詳述する。
本発明に係るスルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤とは、スルホンアミド骨格又はスルホンイミド骨格を有する化合物の金属塩を表す。スルホンアミド骨格又はスルホンイミド骨格を有する化合物としては、上記ポリエステル繊維にかかるスルホンアミド化合物の金属塩で挙げたものと同様のものを挙げることができる。好ましいスルホンアミド骨格又はスルホンイミド骨格を有する化合物も上記ポリエステル繊維にかかるものと同様である。
他の添加剤としては、例えば、フェノール系酸化防止剤、リン系酸化防止剤、紫外線吸収剤、ヒンダードアミン化合物、重金属不活性化剤、本発明に用いる結晶核剤以外のその他の結晶核剤、難燃剤、金属石鹸、ハイドロタルサイト、充填剤、滑剤、帯電防止剤、顔料、染料、可塑剤などがあげられる。
上記フェノール系酸化防止剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~10質量部、より好ましくは0.01~5質量部である。
上記リン系酸化防止剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~10質量部、より好ましくは0.01~5質量部である。
上記紫外線吸収剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記ヒンダードアミン系光安定剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記その他の結晶核剤の使用量は、本発明で用いられる結晶核剤との合計量が、前記ポリエステル樹脂100質量部に対して、0.001~1質量部となるように用いられる。
上記難燃剤の使用量は、前記ポリエステル樹脂100質量部に対して、1~70質量部、より好ましくは、10~30質量部である。
加熱温度がガラス転移温度未満では、ポリエステル樹脂成形体の結晶性が殆ど改善されず、融点より高い温度ではポリエステル樹脂が融解してポリエステル樹脂成形体の外観を保てなくなる。好ましい温度は、100~200℃の範囲内であり、より好ましくは、110~190℃の範囲内であり、さらに好ましくは120~180℃の範囲内である。
加熱方法は特に制限はなく、ポリエステル樹脂成形体の全体を均一に加熱できるものが好ましいが、一部分あるいは複数の部分を加熱するものであってもよい。
また、ポリエステル樹脂成形体の外観を損ねない温度であれば、異なる温度で複数回アニール処理を行ってもよい。
炭酸ガスのガス透過係数が、5.3×10-17mol・m/m2・s・Paを超えるポリエステル樹脂成形体を包装材料等に用いた場合、内容物の酸化や変質が発生して、味、鮮度、効能等が急速に損なわれることがあるため好ましくない。一方、炭酸ガスのガス透過係数が、1.0×10-17mol・m/m2・s・Pa未満のポリエステル樹脂成形体は、実用的な成形条件で製造することが困難であるため好ましくない。炭酸ガスのガス透過係数はJIS K7126-1に準拠して測定することができる。
本発明の粉砕方法について、以下に詳述する。
本発明に係るスルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤とは、スルホンアミド骨格又はスルホンイミド骨格を有する化合物の金属塩を表す。スルホンアミド骨格又はスルホンイミド骨格を有する化合物としては、上記ポリエステル繊維にかかるスルホンアミド化合物の金属塩で挙げたものと同様のものを挙げることができる。好ましいスルホンアミド骨格又はスルホンイミド骨格を有する化合物も上記ポリエステル繊維にかかるものと同様である。
なかでも、ポリエチレンテレフタレート、ポリエチレンナフタレート、ポリブチレンテレフタレート及びポリ乳酸からなる群から選択される一種以上のポリエステル樹脂が好ましく使用され、特に、ポリエチレンテレフタレートは、透明性に優れ、安価であるためより好ましい。
他の添加剤としては、例えば、フェノール系酸化防止剤、リン系酸化防止剤、紫外線吸収剤、ヒンダードアミン化合物、重金属不活性化剤、本発明に用いる結晶核剤以外のその他の結晶核剤、難燃剤、金属石鹸、ハイドロタルサイト、充填剤、滑剤、帯電防止剤、顔料、染料、可塑剤などがあげられる。
上記フェノール系酸化防止剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~10質量部、より好ましくは0.01~5質量部である。
上記リン系酸化防止剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~10質量部、より好ましくは0.01~5質量部である。
上記紫外線吸収剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記ヒンダードアミン系光安定剤の使用量は、前記ポリエステル樹脂100質量部に対して、0.001~5質量部、より好ましくは0.005~0.5質量部である。
上記その他の結晶核剤の使用量は、本発明で用いられる結晶核剤との合計量が、前記ポリエステル樹脂100質量部に対して、0.001~1質量部となるように用いられる。
上記難燃剤の使用量は、前記ポリエステル樹脂100質量部に対して、1~70質量部、より好ましくは、10~30質量部である。
加熱方法は特に制限はなく、成形品の全体を均一に加熱できるものが好ましいが、一部分あるいは複数の部分を加熱するものであってもよい。また、成形品の外観を損ねない温度であれば、異なる温度で複数回アニール処理を行ってもよい。
また、本発明において、ポリエステル樹脂は、単独又は複数樹脂のブレンド(例えば、ポリエチレンテレフタレートとポリブチレンテレフタレートのブレンドなど)、もしくはそれらの共重合体からなるポリエステル樹脂であってもよい。
酸成分としては、例えば、イソフタル酸、アジピン酸、セバシン酸、グルタール酸、ジフェニルメタンジカルボン酸、ダイマー酸、2,6-ナフタレンジカルボン酸、4,4’-ビフェニルジカルボン酸などが挙げられ、グリコール成分としては、ジエチレングリコール、1,3-プロパンジオール、1,4-ブタンジオール、ヘキサメチレングリコール、1,4-シクロヘキサンジメタノール、ビスフェノールA、ビスフェノールSのエチレンオキシド付加体、又は、ネオペンチルグリコールアルキレンオキシド付加体等が挙げられ、それらの中でも、酸成分としてイソフタル酸、グリコール成分としてジエチレングリコールを15mol%以下の条件で共重合することが好ましい。
特に、下記一般式(2)、
(式中、Aはハロゲン原子、置換基を有してもよい炭素原子数1~8のアルキル基、置換基を有してもよい炭素原子数1~8のアルコキシ基、炭素原子数1~5のアルキルチオ基、ニトロ基又はシアノ基を表し、複数ある場合のAはそれぞれ異なっていてもよく、mは0~4の整数を表し、Xは金属原子を表し、nは1~4の整数を表すものであって、nは、Xで表される金属原子の価数に対応する整数を表す)
で表される化合物であることが好ましく、水和物を含むものであってもよい。
化合物No.7:1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシドリチウム
化合物No.8:1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシドカリウム
化合物No.9:ビス(1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシド)カルシウム
化合物No.10:ビス(1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシド)バリウム
後者の射出ブロー成形法としては、プリフォーム成形後に連続してブロー成形を行うホットパリソン法(1ステージ法)や、いったんプリフォームを冷却し取り出してから再度加熱してブロー成形を行うコールドパリソン法(2ステージ法)のいずれの方法も採用できる。
また、プラスチックボトルの外側表面をポリエチレン・ポリプロピレンなどのフィルムや、セラミック・シリカ等を貼り合わせたラミネートフィルムをコーティングしたボトル容器や、ボトルの内側を金属酸化物、アモルファスカーボン等で蒸着したボトル容器に利用することができる。
容器滅菌セクションでは、プラスチックボトルの内部を温水又は過酸化水素系、過酢酸系、次亜塩素酸系、オゾン系などを含む塩素系薬剤などでプラスチックボトルを洗浄し、次に、プラスチックボトルに滅菌溶剤を注入したり、薬剤に浸漬する方法等でプラスチックボトルを滅菌し、次いでプラスチックボトルの口部を下にして、滅菌溶剤又は薬剤を排出し、エアー等で残留物を除去する処理が行われる。
無菌充填セクションでは、滅菌された容器に対して、内容物を無菌化したものを充填し、キャッピングする処理が行われる。内容物を無菌化する方法としては、例えば、限界ろ過法によって細菌をろ別する方法や、高温短時間殺菌法により瞬間殺菌して無菌化する方法が挙げられる。
以下、製造例、実施例及び比較例をもって具体的に例示して本発明を詳しく説明するが、本発明はこれらの実施例等によって制限を受けるものではない。また、スルホン酸ナトリウム金属塩の平均粒子径及び水分量は、以下の方法で測定した。
平均粒子径は、レーザー回折・散乱式粒度分布計(マイクロトラックMT3000II;日機装株式会社製)を用いて、レーザー回折・散乱法(マイクロトラック法)によって測定したものをいい、乾式下で粒度分布(体積分布)を測定し、得られた粒度分布のヒストグラムにおいて、粒子径の小さいものから積算していき、積算値が50%となる数値を平均粒子径とした。
水分量は、株式会社リガク社製サーモプラス2/(TG-DTAシリーズ)を用いて、窒素雰囲気(流量:200ml/min)、測定試料:5mg、昇温速度:50℃/minの条件で室温から150℃に到達したときの重量減少量を水分量として求めた。
ポリエチレンテレフタレート樹脂(帝人化成株式会社製TR-8550)100質量部に対し、スルホンアミド化合物の金属塩:1,2-ベンズイソチアゾール-3(2H)-オン-1,1-ジオキシドナトリウム塩(平均粒子径:4.4μm、水分量0.1%)を0.3質量部、及び表1に記載の酸化防止剤を加えてよく混合し、二軸押出機(装置:株式会社日本製鋼所製TEX28V,シリンダ温度:270℃,スクリュー速度:200rpm)で造粒して、ペレットを得た。得られたペレットの黄色度について、下記の条件で測定した。
上記製造例1で得られた各々のペレットについて、株式会社東芝製射出成形機EC100で60mm×60mm×1mmのシートを成形(成形条件:射出温度270℃、射出時間20秒、金型温度25℃、金型での冷却時間30秒)し、分光測色計(スガ試験機(株)製;MSC-IS-2DH)を用いて、成形したシートの黄色度を測定した。これらの結果について、表1に示す。
上記製造例1において、1,2-ベンズイソチアゾール-3(2H)-オン-1,1-ジオキシドナトリウム塩及び酸化防止剤を配合しなかった以外には、上記製造例1と同様に実施して、ペレットを得た。得られたペレットについて、黄色度を求めた。この結果について、表1に示す。
P-1:2,2-メチレンビス(4,6-ジ-t-ブチルフェニル)オクチルホスファイト
P-2:ビス(2,4-ジ-t-ブチルフェニル)ペンタエリスリトールジホスファイトP-3:ビス(2,6-ジ-t-ブチル-4-エチルフェニル)ペンタエリスリトールジホスファイト
P-4:トリス(2,4-ジ-t-ブチルフェニル)ホスファイト
A-1:テトラキス〔メチレン-3-(3,5-ジ-t-ブチル-4’-ヒドロキシフェニル)プロピオネート〕メタン
A-2:2,4,8,10-テトラ-t-ブチル-6-[3-(3-メチル-4-ヒドロキシ-5-t-ブチルフェニル)プロピル]ジベンゾ[d,f][1,3,2]ジオキサホスフェピン
〔製造例2〕
ポリエチレンテレフタレート樹脂(帝人化成株式会社製 TR-8550)100質量部に対し、1,2-ベンズイソチアゾール-3(2H)-オン-1,1-ジオキシドナトリウム塩を表2に記載の水分量に調整したものを加えた。なお、表2に記載の水分量は、スルホンアミド化合物の金属塩に対する質量比である。さらに、リン系酸化防止剤:ビス(2,6-ジ-t-ブチル-4-エチルフェニル)ペンタエリスリトールホスファイト0.1質量部を加えてよく混合し、コニカル二軸押出機(装置:株式会社東洋精機製作所製ラボプラストミル,シリンダ温度:T1(250℃)、T2~T4(290℃)、スクリュー速度:50rpm)で造粒して、マスターバッチペレットを作成した。
尚、混合前に、ポリエチレンテレフタレート樹脂は160℃×5時間で減圧乾燥を行った。スルホンアミド化合物金属塩の1,2-ベンズイソチアゾール-3(2H)-オン-1,1-ジオキシドナトリウム塩は130℃×4時間の減圧乾燥を行い、水分量をスルホンアミド化合物の金属塩に対して0.1wt%とした。
上記製造例2で得られたペレットについて、ペレット形状の外観について確認した。ペレットの形状が均一に得られている場合は、○。形状が崩れていたり、部分的又は全体に結晶化したり、白濁している場合は×として評価した。
これらの結果について表2に示す。
上記製造例2において、1,2-ベンズイソチアゾール-3(2H)-オン-1,1-ジオキシドナトリウム塩及び酸化防止剤を配合しなかった以外には、上記製造例2と同様に実施して、ペレットを得た。得られたペレットについて、ペレット形状について確認した。この結果について、表2に示す。
また、比較例2-4より、スルホンアミド化合物の金属塩に含まれる水分がポリエステル樹脂組成物に対する質量比で3%以下であっても、スルホンアミド化合物の金属塩に対する質量比で20%を超えると、ポリエステル樹脂を着色させたり、粘性を低下させたりする等の問題があった。比較例2-2から明らかなように、リン系酸化防止剤の添加量がポリエステル樹脂100質量部に対して30質量部を超えると、ペレット形状が安定しなかった。
また、比較例2-5より、ポリエステル樹脂組成物としての含水量は充分に少ないため、問題なくペレットを作成することができたが、スルホンアミド化合物金属塩の添加量0.05phrは、マスターバッチとして用いるには低濃度であり、マスターバッチとしての添加効果はほとんど得られなかった。
ポリエステル繊維の熱収縮率及び、クリープ特性は下記の条件にて測定した。
熱収縮率は、ドイツ工業規格DIN 53866 T3に準じて評価した。
試験片を5mN/texの張力で引張った状態を維持したまま、180℃の恒温室に15分間静置した。その後、張力を維持したまま室温に戻して繊維の長さを測定し、無処置の繊維を5mN/texの張力で引っ張った場合の長さに対する収縮率を熱収縮率として求めた。
ドイツ工業規格DIN 53835 T3に準じ、クリープ特性として伸び残率を、下記の方法にて測定した。
試験片を予め2mN/texの張力でクランプに設置し、50mm/minの速度で試験片の伸び率が7%になるまで引っ張り、そのまま1時間維持した後、張力を開放してクランプを初期の位置まで戻し、再度、試験片を50mm/minの速度で、試験片のたるみがなくなるまでの引っ張った際の、試験片の伸び率を残留伸び率とした。
繊維を束ねて測定試料用ホルダーに充填し、X線回折(Cu-Kα線、40kV/40mA、ステップ幅:0.1°、スキャンスピード:5秒/ステップ、走査範囲:5~60°、透過)の条件で、連続ステップ走査モードで測定した。
結晶性は、結晶化度Xcにより評価した。結晶化度Xcとは、結晶性PETのX線強度Icry、及び、アモルファスなPET樹脂のX線強度Iam、において、Xc=Icry/(Icry+Iam)の関係にある。
アモルファスなPET樹脂のX線スペクトルの面積を予め算出し、測定試料のX線スペクトルの面積からアモルファスなPET樹脂のX線スペクトルの面積を除いたものについて、測定試料のX線スペクトルの総面積との比を結晶化度Xcとして、測定試料の結晶性を評価した。
予め180℃で乾燥させたポリエチレンテレフタレート樹脂(帝人化成株式会社製TR-8550)100質量部に対し、下記表5に記載のポリエステル樹脂用結晶核剤を0.3質量部配合してよく混合し、二軸押出機(HAAKE社製PTW16;シリンダ温度:285℃)で溶融混練し、巻き取り装置(SAHM社製;ドイツ)で下記表3に記載の条件で延伸して繊維を作製し、室温に冷却した。
冷却した繊維について、巻き取り装置で下記表4に記載の条件で繊維を延伸させた。
上記実施例3-1において、スルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤を配合しなかった以外には、実施例3-1と同様に実施して繊維を得た。
実施例4-1~4-7および比較例4-1~4-4について、ポリエステル樹脂成形体の結晶性及び透明性は、以下の方法で評価した。
結晶性は、顕微ラマン(日本分光株式会社製NRS-3100、励起レーザー:532nm)を用い、PET樹脂のカルボニル基が観測される1730cm-1付近のラマンスペクトルのピークの半値幅で評価を行った。カルボニル基を示すピークの半値幅が小さいほど、PETの結晶化が進んでいることを表す。
透明性は、ヘイズ・ガードII(株式会社東洋精機製作所製)で、PET樹脂成形体のHazeを測定し、Hazeが4以下の場合は○とし、Hazeが4を超えた場合は×として評価した。
ポリエチレンテレフタレート樹脂(帝人化成株式会社製TR-8550)100質量部に対し、下記表6に記載のポリエステル樹脂用結晶核剤0.02質量部を配合してよく混合し、二軸押出機(装置:株式会社日本製鋼所製TEX28V,シリンダ温度:270℃,スクリュー速度:200rpm)で造粒して、ペレットを得た。得られたペレットについて、射出成形機(株式会社東芝製射出成形機EC100)で90mm×90mm×2mmのシートを成形(成形条件:射出温度280℃、射出時間15秒、金型温度15℃、金型での冷却時間20秒)した。
得られたシートについて、二軸延伸装置(株式会社東洋精機製作所製EX-10B)にて、設定温度:90℃、延伸速度:縦横ともに4000mm/minの条件で、二軸延伸装置が設定温度で安定状態であるのを確認し、シートを設置して3分間静置後、縦横に2.5倍に延伸した。得られた延伸シートに対し、下記表6に記載の条件でアニール処理を行い、透明性と結晶性について評価を行った。これらの結果について、それぞれ下記表6に示す。
比較例4-1は、アニール処理を行わなかった以外は上記実施例4-1と同様にしてシートを作成し、透明性および結晶性の評価を行った。比較例4-2は、上記実施例4-1において、ポリエステル樹脂用結晶核剤について下記表6に記載の配合に変更した以外は、上記実施例4-1と同様な方法でシートを作成し、透明性と結晶性について評価を行った。比較例4-3は、上記実施例4-3において、ポリエステル樹脂用結晶核剤について下記表6に記載の配合に変更した以外は、上記実施例4-3と同様な方法でシートを作成し、透明性と結晶性について評価を行った。比較例4-4は、上記実施例4-1と同様の配合でシートを作成し、アニール処理の時間を130秒に変更して透明性および結晶性の評価を行った。これらの結果について、それぞれ下記表6に示す。
(炭酸ガス透過度・炭酸ガス透過係数の評価方法)
ガスバリヤー性に関する評価方法として、JIS K7126-1に準拠し、差圧式ガス・蒸気透過率測定装置(差圧式ガス透過装置:GTRテック株式会社製GTR-30XAD2,蒸気透過率測定装置:ヤナコテクニカルサイエンス株式会社製G2700T・F)を用いて、23℃、1atmの条件で試験片の炭酸ガス透過度及び炭酸ガス透過係数を測定した。試験片の厚みは、マイクロメーターにて測定した。
ポリエチレンテレフタレート樹脂(帝人化成株式会社製TR-8550)100質量部に対し、下記表7に記載のポリエステル樹脂用結晶核剤0.3質量部を配合してよく混合し、二軸押出機(装置:株式会社日本製鋼所製TEX28V、シリンダ温度:270℃、スクリュー速度:200rpm)で造粒して、ペレットを得た。次に、得られたペレットと上記ポリエチレンテレフタレート樹脂(帝人化成株式会社製TR-8550)を混合して、下記表7に記載の添加量となるように調整し、二軸押出機(装置:株式会社日本製鋼所製TEX28V、シリンダ温度:270℃、スクリュー速度:200rpm)で造粒してペレットを得た。得られたペレットについて、射出成形機(株式会社製東芝製EC100)で100mm×100mm×2mmのシートを成形(成形条件:射出温度280℃、射出時間15秒、金型温度15℃、金型での冷却温度20秒)した。
得られたシートについて、二軸延伸装置(株式会社製東洋精機製作所製EX-10B)にて、設定温度:100℃、延伸速度:2500mm/minの条件で、二軸延伸装置が設定温度で安定状態であるのを確認し、シートを設置して5分間静置後、縦横に3倍に同時に延伸した。得られた延伸シートに対し、下記表7に記載の条件でアニール処理を行い、ガス透過度とガス透過係数について評価を行った。これらの結果について、下記表7に示す。
比較例4-5は、ポリエステル樹脂用結晶核剤を配合しなかった以外は上記実施例4-8と同様の方法でシートを作成し、縦横に3倍に同時に延伸した。得られた延伸シートについてアニール処理を行わないでガス透過度及びガス透過係数について評価を行った。比較例4-6は、ポリエステル樹脂用結晶核剤を配合しなかった以外は上記実施例4-8と同様の方法でシートを作成し、縦横に3倍に同時に延伸した。得られた延伸シートについて下記表7記載の通りにアニール処理を行った後にガス透過度及びガス透過係数について評価を行った。比較例4-7は、上記実施例4-8と同様の方法で結晶核剤の濃度が下記表7記載の通りになるようにしてペレットを得てシートを作成し、縦横に3倍に同時に延伸した。得られた延伸シートについて下記表7記載の通りにアニール処理を行った後にガス透過度及びガス透過係数について評価を行った。比較例4-8は、実施例4-9と同様にしてシートを作成し、縦横に3倍に同時に延伸した。得られた延伸シートについてアニール処理を行わないでガス透過度及びガス透過係数について評価を行った。比較例4-9は、実施例4-9と同様の方法でシートを作成し、縦横に3倍に同時に延伸した。得られた延伸シートについて下記表7記載の通りに温度90℃で120秒間のアニール処理を行なった後にガス透過度及びガス透過係数について評価を行った。比較例4-10は、実施例4-8と同様の方法で結晶核剤の濃度が下記表7記載の通りになるようにしてペレットを得てシートを作成したが、延伸することができなかったので、ガス透過度およびガス透過係数の評価は行わなかった。なお、上記比較例4-5および4-6についてはポリエステル樹脂用結晶核剤を配合していないので、ペレットを造粒した後にさらにポリエチレンテレフタレート樹脂(帝人化成株式会社製TR-8550)を混合するということは行わなかった。
比較例4-5~4-10について、それぞれの結果を下記表7に示す。
これらに対し、上記実施例4-8~4-10の結果から、本発明のポリエステル樹脂成形体は、透明性及びガスバリヤー性に優れることが確認できた。
実施例、比較例における粉砕機とその粉砕条件については、下記表8に記載の通りである。各ポリエステル樹脂用結晶核剤の実施例5-1~5-8の粉砕方法について、下記表9に示し、比較例5-1~5-8の粉砕方法については下記表10にそれぞれ示す。
これらの粉砕結果について、下記表11に示す。尚、含水率、得られた粉砕品の粒子径、および250μmのメッシュパス及び回収率については、下記に従って評価した。
含水率は、粉砕前のポリステル樹脂用結晶核剤について株式会社リガク社製サーモプラス2/(TG-DTAシリーズ)を用いて水分量を測定し、下記式に基づいて算出した。窒素雰囲気(流量:200ml/min)、測定試料:5mg、昇温速度:50℃/minの条件で室温から150℃に到達したときの重量減少量を測定試料に含まれていた水分量とした。
含水率(%)=(水分量)/(測定試料重量)×100
粒子径は、ポリエステル樹脂用結晶核剤の粉砕品について、レーザー回折散乱式粒度分布計(マイクロトラック粒度分布測定装置MT3300;日機装(株)製)によって測定したものをいい、粉砕直後の粉砕品を、乾式下で粒度分布(体積分布)測定し、得られた粒度分布から50%平均粒子径(50%D)及び90%粒子径(90%D)を求めた。
250μmのメッシュパスとは、粉砕品について250μmのメッシュパスを通過した割合を表す。試料の投入量に対して、90質量%以上のメッシュパスが得られた場合は○とし、得られなかった場合は×として評価した。尚、粉砕時において粉砕槽内で粉砕品の固着があった場合は×として評価した。
荷重耐性とは、袋に充填されたポリエステル樹脂用結晶核剤の粉砕品が、積載された状態で輸送された際に、二次凝集してブロッキングが発生する可能性を判断するために検討した。検討方法としては、アルミ製の袋にポリエステル樹脂用結晶核剤の粉砕品を充填し、空気を含まないように密封し、かかる袋を50℃恒温オーブン内にて50g/cm2の荷重を加えて静置した。
一ヶ月後にブロッキングが発生した場合は、×とし、ブロッキングしていなかった場合は○として評価した。
回収率とは、原料に対して回収できた粉砕品の割合を表す。回収率が90%以上であった場合は○で表し、回収率が90%未満であった場合は×で表して評価した。
これらに対し、実施例5-1~5-8より本発明の粉砕方法は、含水率が8質量%以下でかつ粉砕媒体を用いない粉砕機で粉砕する方法により、所望の粒子径の範囲内で、安定して粉砕できることが確認できた。
上記実施例5-2で得られた粉砕品を減圧乾燥機で乾燥(120℃×5時間)し、含水率を0.3%としたものを、ポリエチレンテレフタレート樹脂(帝人化成株式会社製TR-8550)100質量部に対して、0.3質量部配合し、よく混合して、二軸押出機(装置:株式会社日本製鋼所製TEX28V,シリンダ温度:270℃,スクリュー速度:200rpm)で造粒したところ、問題なくペレットを得ることができた。
次に、上記実施例5-2で得られた粉砕品を減圧で乾燥せずに、含水率2.1%のまま上記と同様に二軸押出機で造粒したところ、ストランドが発泡して途中で切れてしまい、ペレットを得るのが困難であった。以上より、ポリエステル樹脂組成物に添加する場合には、粉砕品は含水率が1質量%以下になるまで乾燥して用いるのが好ましいことを確認した。
〔製造例3〕
ポリエチレンテレフタレート(固有粘度:0.8dL/g)100質量部に対し、化合物No.6を0.3質量部加えてよく混合し、二軸押出機(シリンダ温度:270℃,スクリュー速度:200rpm)で造粒して、0.3%濃度のマスターバッチを作成した。
次に、ポリエチレンテレフタレート(固有粘度:0.8dL/g)100質量部に対して、化合物No.6を0.010質量部含有するように、0.3%濃度のマスターバッチ及びポリエチレンテレフタレート(固有粘度:0.8dL/g)を混合して、樹脂組成物1を得た。
尚、固有粘度は、測定試料のポリエステル樹脂組成物を予め冷凍粉砕し、粉砕品を140℃で15分間乾燥後、0.20g計量し、1,1,2,2-テトラクロロエタン/フェノール(重量比:1/1)の混合溶媒を20ml加えて、120℃で15分間撹拌させて完全に溶解させ、溶解後、室温まで冷却し、グラスフィルターでろ過した溶液を25℃に温調されたウベローデ型粘度計を用いて比粘度を測定し、次式により求めた。
[η]=(-1+√(1+4K’・ηsp))/(2K’C)
ηsp=(τ-τ0)・τ0
ここで、
[η]:固有粘度(dL/g)
ηsp:比粘度
K’:ハギンス恒数(=0.33)
C:濃度(g/dL)
τ:試料の落下時間(sec)
τ0:溶媒の落下時間(sec)
上記製造例3において、化合物No.6の添加量を0.3質量部から0.5質量部に変更した以外には、製造例3と同様にして0.5%濃度のマスターバッチを作成した。次に、ポリエチレンテレフタレート(固有粘度:0.8dL/g)100質量部に対して、化合物No.6を0.020質量部含有するように、0.5%濃度のマスターバッチ及びポリエチレンテレフタレート(固有粘度:0.8dL/g)を混合して、樹脂組成物2を得た。
上記製造例3において、ポリエチレンテレフタレート(固有粘度:0.8dL/g)100質量部に対する化合物No.6の含有量を0.010質量部から0.025質量部に変更した以外は、製造例3と同様にして0.3%濃度のマスターバッチ及びポリエチレンテレフタレート(固有粘度:0.8dL/g)を混合して、樹脂組成物3を得た。
上記製造例3において、ポリエチレンテレフタレート(固有粘度:0.8dL/g)をポリエチレンテレフタレート(固有粘度:0.6dL/g)に変更した以外には同様に製造して、0.3%濃度のマスターバッチを製造した。次に、ポリエチレンテレフタレート(固有粘度:0.6dL/g)100質量部に対して、化合物No.6を0.025質量部含有するように、上記0.3%濃度のマスターバッチ及びポリエチレンテレフタレート(固有粘度:0.6dL/g)を混合して、樹脂組成物4を得た。
上記製造例3において、ポリエチレンテレフタレート(固有粘度:0.8dL/g)をポリエチレンテレフタレート(固有粘度:1.1dL/g)に変更した以外には同様に製造して、0.3%濃度のマスターバッチを製造した。次に、ポリエチレンテレフタレート(固有粘度:1.1dL/g)100質量部に対して、化合物No.6を0.025質量部含有するように、上記0.3%濃度のマスターバッチ及びポリエチレンテレフタレート(固有粘度:1.1dL/g)を混合して、樹脂組成物5を得た。
ポリエチレンテレフタレート(固有粘度:0.8dL/g)に対して、ポリエステル樹脂用結晶核剤を配合せずに、比較樹脂組成物1とした。
ポリエチレンテレフタレート(固有粘度:0.8dL/g)100質量部に対し、化合物No.6を0.020質量部、粉末で加えてよく混合して比較樹脂組成物2を得た。
上記製造例3において、ポリエチレンテレフタレート(固有粘度:0.8dL/g)100質量部に対する化合物No.6の含有量を0.010質量部から0.030質量部に変更した以外は、上記製造例3と同様にして、0.3%濃度のマスターバッチ及びポリエチレンテレフタレート(固有粘度:0.8dL/g)を混合して、比較樹脂組成物3を得た。
上記製造例3において、ポリエチレンテレフタレート(固有粘度:0.8dL/g)をポリエチレンテレフタレート(固有粘度:0.4dL/g)に変更した以外には同様にして0.3%濃度のマスターバッチを製造した。次に、ポリエチレンテレフタレート(固有粘度:0.4dL/g)100質量部に対して、化合物No.6を0.025質量部含有するように、0.3%濃度のマスターバッチ及びポリエチレンテレフタレート(固有粘度:0.4dL/g)を混合して、比較樹脂組成物4を得た。
上記製造例3において、ポリエチレンテレフタレート(固有粘度:0.8dL/g)をポリエチレンテレフタレート(固有粘度:1.5dL/g)に変更した以外には同様にして0.3%濃度のマスターバッチを製造した。次に、ポリエチレンテレフタレート(固有粘度:1.5dL/g)100質量部に対して、化合物No.6を0.025質量部含有するように、0.3%濃度のマスターバッチ及びポリエチレンテレフタレート(固有粘度:1.5dL/g)を混合して、比較樹脂組成物5を得た。
上記製造例3~7、比較製造例1~5で得られた樹脂組成物について、それぞれ、160℃のギヤーオーブンで4時間乾燥後、射出成形機にて、射出温度280℃の成形温度で、プリフォーム(口外径25mm、重量23g)を成形した。次に、得られたプリフォームについて、下記表12又は表13に記載の金型温度で、二軸延伸ブロー成形し、容量500mlのプラスチックボトルを作製した。得られたプラスチックボトルについて、下記の評価を行った。
また、比較例6-5及び6-6より、ポリエステル樹脂の固有粘度が0.5dL/g未満であると、プラスチックボトルが白化し、1.1dL/gを超えると、プリフォームを延伸ブロー成形することができず、プラスチックボトルを作製できなかった。
また、比較例6-7より、金型温度が160℃を超えると、金型汚れが顕著になり連続生産が困難であった。
Claims (33)
- ポリエステル樹脂100質量部に対し、リン系酸化防止剤(A)0.01~30質量部及びスルホンアミド化合物の金属塩(B)0.1~30質量部を含むポリエステル樹脂組成物であって、
スルホンアミド化合物の金属塩(B)に含まれる水分量が、スルホンアミド化合物の金属塩に対する質量比で0.1%~20%の範囲内であり、かつ、ポリエステル樹脂組成物に対する質量比で3%以下であることを特徴とするポリエステル樹脂組成物。 - 前記(B)スルホンアミド化合物の金属塩が、1,2-ベンズイソチアゾール-3(2H)-オン-1,1-ジオキシド金属塩である請求項1記載のポリエステル樹脂組成物。
- 前記(A)リン系酸化防止剤が、ビス(2,4-ジ-t-ブチルフェニル)ペンタエリスリトールジホスファイト、又は、ビス(2,6-ジ-t-ブチル-4-メチルフェニル)ペンタエリスリトールジホスファイトである請求項1記載のポリエステル樹脂組成物。
- 前記ポリエステル樹脂組成物が、フェノール系酸化防止剤を含まないことに特徴を有する請求項1記載のポリエステル樹脂組成物。
- 前記ポリエステル樹脂がポリエチレンテレフタレート樹脂である請求項1記載のポリエステル樹脂組成物。
- 請求項1記載のポリエステル樹脂組成物からなるマスターバッチ。
- 請求項1記載のポリエステル樹脂組成物を成形してなる樹脂成形品。
- ポリエステル樹脂100質量部に対し、スルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤0.001~1質量部を含有するポリエステル樹脂組成物からなることを特徴とするポリエステル繊維。
- 前記ポリエステル樹脂用結晶核剤が、ベンゼンスルホンアミド金属塩、トルエン-4-スルホンアミド金属塩、N-フェニル-4-ベンゼンスルホンアミド金属塩、N-フェニル-4-メチル-ベンゼンスルホンアミド金属塩、および、1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシド金属塩からなる群から選択されるものである請求項9記載のポリエステル繊維。
- 前記ポリエステル樹脂がポリエチレンテレフタレートである請求項9記載のポリエステル繊維。
- DIN 53866 T3に従って測定した熱収縮率が、15%以下である請求項9記載のポリエステル繊維。
- 延伸配向されたものである請求項9記載のポリエステル繊維。
- ポリエステル樹脂100質量部に対し、スルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤0.001~1質量部を配合したポリエステル樹脂組成物を成形後、1秒~2分間アニール処理してなることを特徴とするポリエステル樹脂成形体。
- 前記ポリエステル樹脂がポリエチレンテレフタレートである請求項14記載のポリエステル樹脂成形体。
- 前記ポリエステル樹脂用結晶核剤が、ベンゼンスルホンアミド金属塩、トルエン-4-スルホンアミド金属塩、N-フェニル-ベンゼンスルホンアミド金属塩、N-フェニル-4-メチル-ベンゼンスルホンアミド金属塩、および、1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシド金属塩からなる群から選択されるものである請求項14記載のポリエステル樹脂成形体。
- 前記成形が、シート形状への延伸成形である請求項14記載のポリエステル樹脂成形体。
- 前記成形が、ボトル形状への延伸成形である請求項14記載のポリエステル樹脂成形体。
- 顕微ラマンにおける1730cm-1近傍の極大ピークの半値幅が、18cm-1以下である請求項14記載のポリエステル樹脂成形体。
- 炭酸ガス透過係数が、1.0×10-17~5.3×10-17mol・m/m2・s・Paである請求項14記載のポリエステル樹脂成形体。
- ポリエステル樹脂100質量部に対し、スルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤0.001~1質量部を配合したポリエステル樹脂組成物を250~300℃で成形した後、100℃~200℃の範囲内の温度で、1秒~2分間アニール処理することを特徴とするポリエステル樹脂成形体の製造方法。
- スルホンアミド化合物金属塩又はスルホンイミド化合物金属塩を、含水率が8質量%以下になるまで乾燥後、粉砕媒体を用いないで粉砕することを特徴とするスルホンアミド化合物金属塩又はスルホンイミド化合物金属塩の粉砕方法。
- スルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤の製造方法であって、前記ポリエステル樹脂用結晶核剤を、含水率が8質量%以下になるまで乾燥後、粉砕媒体を用いない粉砕機で粉砕することを特徴とするポリステル樹脂用結晶核剤の製造方法。
- 前記粉砕後のポリエステル樹脂用結晶核剤の体積平均粒子径が0.5~50μmの範囲内で、かつ、250μmメッシュパスが90質量%以上である請求項23記載のポリステル樹脂用結晶核剤の製造方法。
- 前記ポリエステル樹脂用結晶核剤が、ベンゼンスルホンアミド金属塩、トルエン-4-スルホンアミド金属塩、N-フェニル-ベンゼンスルホンアミド金属塩、N-フェニル-4-メチル-ベンゼンスルホンアミド金属塩、および、1,2-ベンズイソチアゾール-3(2H)-オン1,1-ジオキシド金属塩からなる群から選択されるものである請求項23記載のポリステル樹脂用結晶核剤の製造方法。
- 前記粉砕媒体を用いない粉砕機が、ロール式粉砕機、高速回転衝撃式粉砕機、気流式粉砕機、および、せん断・磨砕式粉砕機からなる群から選択されるものである請求項23記載のポリステル樹脂用結晶核剤の製造方法。
- 前記粉砕後のポリステル樹脂用結晶核剤の回収量が90%以上である請求項23記載のポリステル樹脂用結晶核剤の製造方法。
- 請求項23記載の製造方法で得られたポリエステル樹脂用結晶核剤。
- さらに乾燥して、含水率が1質量%以下に調整された請求項28記載のポリエステル樹脂用結晶核剤。
- スルホンアミド化合物金属塩又はスルホンイミド化合物金属塩からなるポリエステル樹脂用結晶核剤を含むポリエステル樹脂組成物を成形してなるプラスチックボトルの製造方法であって、固有粘度0.5-1.1dL/gのポリエステル樹脂100質量部に対し、前記ポリエステル樹脂用結晶核剤0.1~90質量部を含むマスターバッチを作製し、次いで、該マスターバッチをポリエステル樹脂に混合して、固有粘度0.5-1.1dL/gのポリエステル樹脂100質量部に対し、前記ポリエステル樹脂用結晶核剤が0.005~0.025質量部含まれる樹脂組成物を作製し、該樹脂組成物を85~160℃の金型温度でボトル形状に延伸ブロー成形することを特徴とするプラスチックボトルの製造方法。
- 前記ポリエステル樹脂が、ポリエチレンテレフタレートである請求項30記載のプラスチックボトルの製造方法。
- 前記一般式(2)中のXがナトリウム、nが1である請求項30記載のプラスチックボトルの製造方法。
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WO2015080004A1 (ja) | 2013-11-26 | 2015-06-04 | 株式会社Adeka | マスターバッチの製造方法 |
KR20160090809A (ko) | 2013-11-26 | 2016-08-01 | 가부시키가이샤 아데카 | 마스터배치의 제조 방법 |
JPWO2016159266A1 (ja) * | 2015-04-03 | 2017-11-16 | 旭化成株式会社 | 単層又は複層ポリエステル長繊維不織布及びそれを用いた食品用フィルター |
GB2555721A (en) * | 2015-04-03 | 2018-05-09 | Asahi Chemical Ind | Single-layer or multilayer nonwoven fabric of long polyester fibers, and filter comprising same for food |
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WO2016159266A1 (ja) * | 2015-04-03 | 2016-10-06 | 旭化成株式会社 | 単層又は複層ポリエステル長繊維不織布及びそれを用いた食品用フィルター |
CN114072266A (zh) * | 2019-05-15 | 2022-02-18 | 安帕塞特公司 | 塑料用哑光涂饰 |
CN113444344A (zh) * | 2020-03-26 | 2021-09-28 | 上海紫丹食品包装印刷有限公司 | 一种耐高温高韧性全生物基降解塑料及其制备方法 |
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Also Published As
Publication number | Publication date |
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IL254924A0 (en) | 2017-12-31 |
BR112012007289A2 (pt) | 2016-04-19 |
EP2484725A4 (en) | 2013-03-13 |
CN103483779B (zh) | 2016-08-17 |
IL218868A (en) | 2017-10-31 |
EP2484725A1 (en) | 2012-08-08 |
CN102575089B (zh) | 2017-09-26 |
IL218868A0 (en) | 2012-06-28 |
CN102575089A (zh) | 2012-07-11 |
IL254925B (en) | 2018-07-31 |
IL254925A0 (en) | 2017-12-31 |
TW201125911A (en) | 2011-08-01 |
CN103484970A (zh) | 2014-01-01 |
US20140001672A1 (en) | 2014-01-02 |
TWI499626B (zh) | 2015-09-11 |
KR20120088734A (ko) | 2012-08-08 |
EP2484725B1 (en) | 2017-07-19 |
KR101729049B1 (ko) | 2017-04-21 |
CN103483779A (zh) | 2014-01-01 |
US20120189793A1 (en) | 2012-07-26 |
IL254924B (en) | 2018-07-31 |
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