WO2007105628A1 - ポリエステル樹脂組成物およびその製造方法、並びに成形体 - Google Patents
ポリエステル樹脂組成物およびその製造方法、並びに成形体 Download PDFInfo
- Publication number
- WO2007105628A1 WO2007105628A1 PCT/JP2007/054662 JP2007054662W WO2007105628A1 WO 2007105628 A1 WO2007105628 A1 WO 2007105628A1 JP 2007054662 W JP2007054662 W JP 2007054662W WO 2007105628 A1 WO2007105628 A1 WO 2007105628A1
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- WIPO (PCT)
- Prior art keywords
- polyester resin
- resin composition
- weight
- carboxylic acid
- polyamide
- Prior art date
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- 229920001225 polyester resin Polymers 0.000 title claims abstract description 222
- 239000004645 polyester resin Substances 0.000 title claims abstract description 221
- 239000000203 mixture Substances 0.000 title claims abstract description 159
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229920006122 polyamide resin Polymers 0.000 claims abstract description 263
- -1 carboxylic acid compound Chemical class 0.000 claims abstract description 171
- 150000001875 compounds Chemical class 0.000 claims abstract description 54
- 239000002253 acid Substances 0.000 claims abstract description 48
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 38
- 125000003277 amino group Chemical group 0.000 claims abstract description 22
- 239000011342 resin composition Substances 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 15
- 239000004952 Polyamide Substances 0.000 claims description 58
- 229920002647 polyamide Polymers 0.000 claims description 58
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 58
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 58
- 229920005989 resin Polymers 0.000 claims description 58
- 239000011347 resin Substances 0.000 claims description 58
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 27
- 125000003118 aryl group Chemical group 0.000 claims description 26
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 25
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 25
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 25
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 22
- 238000006116 polymerization reaction Methods 0.000 claims description 21
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 20
- 238000001746 injection moulding Methods 0.000 claims description 18
- 238000004898 kneading Methods 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 239000007790 solid phase Substances 0.000 claims description 16
- 150000008064 anhydrides Chemical group 0.000 claims description 14
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 claims description 14
- 239000001361 adipic acid Substances 0.000 claims description 13
- 235000011037 adipic acid Nutrition 0.000 claims description 13
- 150000008065 acid anhydrides Chemical class 0.000 claims description 11
- 229920000728 polyester Polymers 0.000 claims description 10
- 229920006026 co-polymeric resin Polymers 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 9
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 8
- 125000002723 alicyclic group Chemical group 0.000 claims description 8
- 239000000470 constituent Substances 0.000 claims description 8
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 8
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 claims description 8
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 7
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 7
- 150000004985 diamines Chemical class 0.000 claims description 7
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- 229920000573 polyethylene Polymers 0.000 claims description 7
- 150000002009 diols Chemical class 0.000 claims description 6
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 claims description 4
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- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 125000002843 carboxylic acid group Chemical group 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-L isophthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC(C([O-])=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-L 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 25
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 26
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- 238000004040 coloring Methods 0.000 description 15
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 15
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
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- 238000001816 cooling Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 7
- 238000006068 polycondensation reaction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 6
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- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 6
- 229920006309 Invista Polymers 0.000 description 5
- 229920006121 Polyxylylene adipamide Polymers 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 235000013305 food Nutrition 0.000 description 5
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- 238000003786 synthesis reaction Methods 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
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- WTNDADANUZETTI-UHFFFAOYSA-N cyclohexane-1,2,4-tricarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)C(C(O)=O)C1 WTNDADANUZETTI-UHFFFAOYSA-N 0.000 description 3
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- HSSYVKMJJLDTKZ-UHFFFAOYSA-N 3-phenylphthalic acid Chemical compound OC(=O)C1=CC=CC(C=2C=CC=CC=2)=C1C(O)=O HSSYVKMJJLDTKZ-UHFFFAOYSA-N 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- QYQADNCHXSEGJT-UHFFFAOYSA-N cyclohexane-1,1-dicarboxylate;hydron Chemical compound OC(=O)C1(C(O)=O)CCCCC1 QYQADNCHXSEGJT-UHFFFAOYSA-N 0.000 description 1
- JEBXNNPMFYXVHS-UHFFFAOYSA-N cyclohexane-1,2,3-tricarboxylic acid Chemical compound OC(=O)C1CCCC(C(O)=O)C1C(O)=O JEBXNNPMFYXVHS-UHFFFAOYSA-N 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 150000002291 germanium compounds Chemical class 0.000 description 1
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000021056 liquid food Nutrition 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- KVQQRFDIKYXJTJ-UHFFFAOYSA-N naphthalene-1,2,3-tricarboxylic acid Chemical compound C1=CC=C2C(C(O)=O)=C(C(O)=O)C(C(=O)O)=CC2=C1 KVQQRFDIKYXJTJ-UHFFFAOYSA-N 0.000 description 1
- DFFZOPXDTCDZDP-UHFFFAOYSA-N naphthalene-1,5-dicarboxylic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=CC2=C1C(O)=O DFFZOPXDTCDZDP-UHFFFAOYSA-N 0.000 description 1
- WPUMVKJOWWJPRK-UHFFFAOYSA-N naphthalene-2,7-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=CC2=CC(C(=O)O)=CC=C21 WPUMVKJOWWJPRK-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920006230 thermoplastic polyester resin Polymers 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- 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
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/092—Polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/008—Additives improving gas barrier properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
-
- 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]
-
- 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]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
Definitions
- Polyester resin composition Method for producing the same, and molded article
- the present invention relates to a polyester resin composition comprising a polyamide resin having a specific property, a polyester resin, and a polyvalent carboxylic acid compound in a specific ratio, and a method for producing the same, and
- the present invention relates to a molded body such as a film, a sheet, and a thin hollow container.
- Polyester terephthalate (PET), a representative example of which is an aromatic dicarboxylic acid as a main dicarboxylic acid component, and an aliphatic diol as a main diol component (hereinafter sometimes referred to as "aromatic polyester terephthalate”).
- aromatic polyester resin Has excellent mechanical performance, melt stability, solvent resistance, fragrance retention, recyclability, etc. Therefore, aromatic polyester resin is widely used for packaging materials such as films, sheets, and hollow containers.
- oxygen and carbon dioxide are not necessarily good in gas nooriety, so there is a limit to their use in applications that require high gas nooriety.
- Aromatic polyester As a means for imparting gas noriability to rosin, a metal foil such as aluminum is bonded, other high anodic grease is applied, laminated, aluminum or silicon is vapor-deposited, etc.
- problems such as loss of transparency, requiring a complicated manufacturing process, and deterioration of mechanical performance.
- polyamide resin represented by nylon, 6, 66, etc., which is a high and gas-nourished resin, especially polyamide resin obtained by polymerizing metaxylylenediamine and adipic acid ( “Polyamide MXD6” (hereinafter sometimes referred to as “polyamide MXD6”) is excellent in gas nooricity.
- a gas barrier resin other than polyamide resin there is an ethylene-polybutyl alcohol copolymer resin.
- Ethylene-polybulal alcohol copolymer resin is poorly compatible with aromatic polyester resin, so the composition of the two becomes cloudy or the crystallinity is high, so the stretchability of aromatic polyester resin is impaired. There is a problem that the heat stability is poor.
- polyamide MXD6 has a high gas-nore property, and is close to glass transition temperature, melting point and crystallinity with aromatic polyester resin, especially polyethylene terephthalate, and has good thermal stability during melting. Is also excellent. For this reason, there is an advantage that high gas barrier properties are exhibited, which is easy to melt and mix with the aromatic polyester resin, does not impair the mechanical performance and stretchability of the aromatic polyester resin.
- composition of an aromatic polyester resin and a polyamide resin such as polyamide MXD6 produces a pearly glare depending on the dispersion state and concentration of the constituent composition. There is a tendency that glare becomes noticeable by molding and the transparency is lowered. As described above, the composition of aromatic polyester resin and polyamide resin such as polyamide MXD6 is not sufficiently transparent, so its use is limited in applications where high transparency is required.
- Patent Document 1 proposes a composition obtained by adding tetracarboxylic dianhydride to a mixture of polyamide resin and polyester resin.
- the patent document 1 discloses that
- Patent Document 2 proposes a compound having an epoxy group and an acid anhydride group as one type of compatibilizer for a composition of a thermoplastic polyester resin and a polyamide resin having a metaxylylene group in the main chain.
- the compound is clearly different from the compound of the present invention.
- Patent Document 3 proposes a composition obtained by adding tetracarboxylic dianhydride to a mixture of polyamide resin and polyester resin.
- tetracarboxylic dianhydrides react with the polyester and polyamide resins to be mixed. For this reason, an excessive increase in viscosity of the resin composition may occur during mixing and molding, which may make it difficult to mold the film, sheet, and thin hollow container.
- Patent Document 4 proposes a composition obtained by adding a polyvalent carboxylic acid having three or more carboxyl groups in one molecule and an acid anhydride thereof to a mixture of polyamide resin and polyester resin. Yes.
- the polyvalent carboxylic acid anhydride Reacts with the mixed polyester resin and polyamide resin, resulting in an excessive increase in the viscosity of the resin composition during mixing and molding, which makes it difficult to form a film, sheet, and thin hollow container.
- the appearance of the molded product is impaired due to the yellowish-brown and brown-colored color caused by the additive. Therefore, as described above, it is desired to develop a polyester resin composition having high gas barrier performance and excellent transparency without requiring a complicated manufacturing process.
- Patent Document 1 Japanese Patent Laid-Open No. 1-272660
- Patent Document 2 Japanese Patent Laid-Open No. 62-201963
- Patent Document 3 Japanese Unexamined Patent Publication No. 2000-34357
- Patent Document 4 Japanese Patent Laid-Open No. 2000-302952
- the present invention relates to a resin composition
- a resin composition comprising an aromatic polyester resin excellent in gas barrier properties, transparency and mechanical performance and difficult to be colored, and a polyamide resin, a method for producing the same, and the resin composition It is an object to provide a molded body such as a biaxially stretched hollow container obtained by molding a product.
- a rosin composition containing a specific ratio of polyamide rosin, polyvalent carboxylic acid compound, and polyester rosin having specific properties I found out that I can do it. Further, it has been found that when the resin composition is produced by a specific melt-kneading method, coloring is prevented and gas barrier properties and transparency are further improved. Further, a hollow container obtained by molding the resin composition into a precursor (hereinafter sometimes abbreviated as “parison”) by a specific injection molding method is prevented from being colored, and a gas barrier is obtained. It has been found that the properties and transparency are further improved. The present invention is based on these findings.
- the present invention provides:
- More than 70 mol% of diamine structural units are derived from carboxylylenediamine, and more than 70% mol of dicarboxylic acid structural units are derived from adipic acid. weight%,
- polyester resin (B) in which 70 mol% or more of dicarboxylic acid structural units are derived from aromatic dicarboxylic acid and 70 mol% or more of diol structural units are derived from aliphatic diol 0/0, and
- Group power consisting of an aromatic trivalent carboxylic acid, an alicyclic trivalent carboxylic acid, and an acid anhydride of the trivalent carboxylic acid, and at least one trivalent carboxylic acid compound selected from Z and aromatics Group divalent carboxylic acid, alicyclic divalent carboxylic acid, and acid anhydride of the divalent carboxylic acid force group power at least one divalent carboxylic acid compound power selected polyvalent carboxylic acid Compound (C) is contained in an amount of 0.01 to 0.5% by weight (however, the total content of components (A), (B), and (C) is 100% by weight),
- a, b, c, Cc and Ca are as follows.
- Cc Polycarboxylic acid compound (C) concentration (gZg) in the polyester resin composition
- Ca Polyamide resin (A) concentration (gZg) in the polyester resin composition.
- the polyamide resin (A), the polyester resin (B), and the polyvalent carboxylic compound (C) are melt-kneaded, or the polyamide resin (A) and the polyvalent resin.
- a process for obtaining a preliminary composition by melt-kneading the carboxylic acid compound (C); and a process for melt-kneading the preliminary composition and the polyester resin (B). Is the method.
- the present invention relates to a molded body obtained by molding the above polyester resin composition. Is.
- the polyester resin composition of the present invention comprises at least one polyamide resin (A), at least one polyester resin (B) and at least one polycarboxylic acid compound (C). Contained at a specified ratio and meets specific conditions. Each component will be described in detail below.
- the polyamide resin (A) can be obtained by polycondensation of diamine and dicarboxylic acid. More than 70 mol% of diamine structural units are derived from taxylylenediamine, and more than 70 mol% of dicarboxylic acid structural units are derived from adipic acid. Structural units derived from m-xylylene ⁇ Min must be at least 70 mol%, preferably 80 mol% or more, good Ri preferably 90 mol 0/0 or more (100 mol 0/0 ). If the structural unit derived from metaxylylenediamine is less than 70 mol%, the gas barrier properties are insufficient.
- the structural unit derived from adipic acid needs to be 70 mol% or more, preferably 80 mol% or more, more preferably 90 mol% or more (including 100 mol%).
- the structural unit derived from adipic acid is less than 70 mol%, the gas barrier property is lowered and the crystallinity is excessively lowered.
- Particularly preferred as the polyamide resin (A) is polymetaxylylene adipamide.
- the polyamide resin having the monomer composition and the structural unit as described above is advantageous because it does not impair the processability of the polyester resin composition because the molding resin is similar to the polyester resin such as a polyethylene terephthalate resin. It is.
- diamines that can be used in addition to metaxylylenediamine, paraxylylenediamine, 1,3 bis (aminomethyl) cyclohexane, 1,4 bis (aminomethyl) cyclohexane, tetramethylenediamine, hexame
- the powers exemplified by tylenediamine, nonamethylenediamine, 2-methyl-1,5-pentanediamine and the like are not limited thereto.
- dicarboxylic acids that can be used in addition to adipic acid include suberic acid, azelaic acid, sebacic acid, 1,10 decanedicarboxylic acid, terephthalic acid, isophthalic acid, and 2,6 naphthalene dicarboxylic acid. It is not a thing. Further, a small amount of monoamine or monocarboxylic acid may be added as a molecular weight regulator during the polycondensation for producing the polyamide resin (A).
- the polyamide resin (A) is preferably produced by a polycondensation reaction in a molten state (hereinafter sometimes referred to as "melt polycondensation").
- a polycondensation reaction in a molten state
- it is produced by a method in which a metaxylylenediamine, adipic acid, and a nylon salt made of potassium are heated in a pressure method in the presence of water and polymerized in a molten state while removing added water and condensed water. Is preferred.
- metaxylylene diamine is directly added to molten adipic acid and polycondensed under normal pressure.
- metaxylylenediamine is continuously added to adipic acid while the reaction temperature is kept below the melting point of the resulting oligoamide and polyamide. It is preferable to proceed polycondensation while raising the temperature of the system.
- the polyamide obtained by melt polycondensation may be further solid-phase polymerized to increase the molecular weight.
- the solid-phase polymerized polyamide thus obtained may be used as the polyamide resin (A).
- Polyamide rosin (A) has a terminal amino group concentration equivalent / g) and a terminal carboxyl group concentration b.
- the concentration of the polyamide resin (A) in the polyester resin composition is based on the total weight of the polyamide resin (A), the polyester resin (B), and the polyvalent carboxylic acid compound (C). In contrast, 2 to 30 % By weight, preferably 2 to 20% by weight, more preferably 2 to 15% by weight, still more preferably 2 to 10% by weight, particularly preferably 2 to 5% by weight. If it is less than 2% by weight, good gas barrier performance cannot be obtained. If it exceeds 30% by weight, the gas noor performance is good, but the transparency of the resulting packaged molded product is lowered and the mechanical performance is also lowered, resulting in a low commercial value.
- the relative viscosity of polyamide resin (A) is preferably 1.83-4.20, more preferably 2 02-4.20, more preferably 2.30-4.20.
- the relative viscosity is within the above range, the flowability of the molten resin is good and the die swell and uneven melting are reduced when molding the film, sheet, hollow container and the like of the polyester resin composition of the present invention. , Good moldability. Further, the transparency of the molded product is improved, and the decrease in transparency due to whitening in a high humidity atmosphere can be suppressed.
- a polyamide resin (A) having a relative viscosity of 2.30 or more can be easily obtained by continuing the reaction until a predetermined relative viscosity is reached during melt polymerization. However, if the reaction is continued to the specified relative viscosity by melt polymerization, the time for maintaining the molten state (reaction time) becomes longer, the polyamide molecules are damaged, and abnormalities such as non-linear molecular growth occur. Reaction (three-dimensional polymer) occurs, and gel and fish eye are formed. A molded article made of a polyester resin composition using a lot of gels and fish eyes and polyamide resin may generate fishery and reduce productivity.
- Polyamide resin (A) having a relative viscosity of 2.30 or more is produced by producing a melt-polymerized polyamide resin so that the relative viscosity is 2.28 or less. It is preferably produced by a method in which the occurrence of fishy is suppressed and then the relative viscosity is made 2.30 or more by solid-phase polymerization of melt-polymerized polyamide resin. In solid-phase polymerization, pellets or powder of melt-polymerized polyamide resin having a relative viscosity of 1.83-2.28 is placed in a range of 120 ° C or higher and lower than the melting point of polyamide resin under reduced pressure or inert gas atmosphere. This is done by heating to temperature.
- the relative viscosity of the solid phase polymerized polyamide resin is preferably 2.30 to 4.20.
- the moisture content of the polyamide resin (A) is preferably 0.15% by weight or less, more preferably 0.1% by weight or less, and even more preferably 0.01 to 0.09% by weight.
- the polyamide resin may be dried and used as the moisture content.
- the moisture content is 0.15% by weight or less, it is possible to suppress hydrolysis of the polyester resin (B) caused by moisture that also generates polyamide resin (A) force when melt-mixed with polyester resin (B). it can.
- Polyamide rosin can be dried by a conventionally known method.
- the moisture content in the polyamide resin is removed by reducing the vent hole; the polyamide resin is removed from the tumbler (rotary vacuum tank).
- the method is not limited to this, but may be a method of drying by heating at a temperature lower than the melting point of the polyamide resin under reduced pressure.
- the polyamide resin (A) preferably has a melt viscosity of 100 to 2000 Pa's at 270 ° C and a shear rate of lOOZs. Since the polyamide (A) having an appropriate viscosity within the above range has good dispersibility in the polyester resin, the transparency and mechanical properties of the molded product can be further improved.
- the polyamide resin (A) may contain a phosphorus compound in order to improve processing stability during melt molding or to prevent coloring of the polyamide resin.
- a phosphorus compound containing an alkali metal or an alkaline earth metal is preferably used. Examples thereof include phosphates such as sodium, magnesium and calcium, hypophosphites and phosphites. Those using hypophosphites of alkali metals or alkaline earth metals are preferably used because they are particularly excellent in the anti-coloring effect of polyamide.
- the concentration of the phosphorus compound in the polyamide resin (A) is preferably 200 ppm or less, more preferably 160 ppm or less, and even more preferably lOO ppm or less as phosphorus atoms.
- the phosphorus atom concentration in the polyamide resin (A) is 200 ppm or less, the antimony slightly remaining in the polyester resin is melted and mixed with the polyester resin produced using the antimony catalyst. Caused by reduction of catalyst The blackening caused by this is prevented.
- the polyamide resin (A) includes a lubricant, a detergency agent, a heat stabilizer, a weather stabilizer, an ultraviolet absorber, a nucleating agent, a plasticizer, a difficult component within the range not impairing the effects of the present invention. Flame retardants, antistatic agents, anti-coloring agents, anti-gelling agents, and other additives can also be added.
- the polyester resin (B) is obtained by polymerizing a dicarboxylic acid and a diol.
- 70 mol% or more of the dicarboxylic acid structural unit is derived from an aromatic dicarboxylic acid
- 70 mol% or more of the diol structural unit is derived from an aliphatic diol.
- the proportion of the structural unit derived from the aromatic dicarboxylic acid is 70 mol% or more, preferably 80 mol% or more, more preferably 90 mol% or more (including 100 mol%).
- the proportion of the structural unit derived from the aliphatic diol is 70 mol% or more, preferably 80 mol% or more, more preferably 90 mol% or more (including 100 mol%).
- the structural unit derived from the aromatic dicarboxylic acid is less than 70 mol%, the heat resistance of the molded product is lowered. Further, if the constituent unit derived from the aliphatic diol is less than 70 mol%, the moldability is lowered.
- aromatic dicarboxylic acid examples include terephthalic acid, isophthalic acid, 2,6 naphthalenedicarboxylic acid, 1,5 naphthalenedicarboxylic acid, 2,7 naphthalenedicarboxylic acid, and the like, 4, 4'- Examples thereof include biphenyl dicarboxylic acid, 3,4′-biphenyl dicarboxylic acid and the like, and ester-forming derivatives thereof.
- Aliphatic dicarboxylic acids such as adipic acid, azelaic acid, and sebacic acid, and monocarboxylic acids such as benzoic acid, propionic acid, and butyric acid can be used within the range not impairing the object of the present invention.
- aliphatic diol examples include ethylene glycol, 1,3 propylene diol, 1,4 butane diol, 1,4-cyclohexane dimethanol, 1,6 hexane diol, and the like, and ester-forming derivatives thereof.
- Monoalcohols such as butyl alcohol, hexyl alcohol and octyl alcohol, and polyhydric alcohols such as trimethylolpropane, glycerin and pentaerythritol can be used within the range not impairing the object of the present invention.
- polyester resin (B) For the production of the polyester resin (B), a direct esterification method or a transesterification method, which are known methods, can be applied.
- Polycondensation catalyst used when producing polyester resin (B) Examples of the medium include known antimony compounds such as antimony trioxide and antimony pentamonium, germanium compounds such as germanium oxide, titanium compounds such as titanium acetate, and aluminum such as aluminum chloride.
- antimony compounds such as antimony trioxide and antimony pentamonium
- germanium compounds such as germanium oxide
- titanium compounds such as titanium acetate
- aluminum such as aluminum chloride.
- the polyester resin (B) includes polyethylene terephthalate resin, polyethylene terephthalate isophthalate copolymer resin, polyethylene 1,4-cyclohexane dimethylene-terephthalate copolymer resin, polyethylene 2, 6 Naphthalene dicarboxylate resin, polyethylene 2, 6 Naphthalene dicarboxylate-terephthalate copolymer resin, polyethylene-terephthalate 4, 4'-biphenyl dicarboxylate There are terephthalate coconut, polybutylene 1, 2, naphthalene dicarboxylate rosin, etc.
- polyester resin (B) includes polyethylene terephthalate resin, polyethylene terephthalate-to-isophthalate copolymer resin, polyethylene 1,4-cyclohexanedimethylene terephthalate copolymer resin, polybutylene terephthalate resin and polyethylene.
- the moisture content of the polyester resin (B) (before melt kneading) is preferably 200 ppm or less, more preferably 80 to 200 ppm, and even more preferably 80 to LOOppm. It is good also as the said moisture rate by drying polyester resin. When the moisture content is within the above range, the polyester is not hydrolyzed in the melt-kneading step, and the molecular weight does not extremely decrease or yellow.
- the concentration of the polyester resin (B) in the polyester resin composition is based on the total weight of the polyamide resin (A), the polyester resin (B), and the polyvalent carboxylic acid compound (C). Te, from 69.5 to 97.99 weight 0/0, preferably from 79.6 to 97.99 weight 0/0, more preferably from 84.8 to 97.99 wt%, more preferably 90-97.99 weight %, Particularly preferably 95-97.99% by weight is there. 69. Out of the range force of 5 to 97.99 wt% Excellent gas barrier performance, transparency and mechanical performance cannot be obtained.
- the polyvalent carboxylic acid compound (C) is an aromatic trivalent carboxylic acid, an alicyclic trivalent carboxylic acid, and at least one trivalent carboxylic acid compound selected from these acid anhydrides, And Z, or an aromatic divalent carboxylic acid, an alicyclic divalent carboxylic acid, and at least one divalent carboxylic acid compound selected from these acid anhydrides.
- the acid anhydride is an intramolecular acid anhydride.
- Examples of the trivalent carboxylic acid compound include trimellitic acid, trimellitic anhydride, hemimellitic acid and its anhydride, trimesic acid, 1,2,4-cyclohexanetricarboxylic acid and its anhydride, 1, 2, 3-cyclohexanetricarboxylic acid and anhydride, 1, 3, 5-cyclohexanetricarboxylic acid, naphthalenetricarboxylic acid (including positional isomers) and anhydride, anthracentricarboxylic acid (positional isomerism) And biphenyl phenyl trirubonic acid (including positional isomers) and anhydrides thereof, benzophenone tricarboxylic acid (including positional isomers) and anhydrides thereof, and the like.
- trimellitic anhydride trimellitic acid, 1,2,4-cyclohexanetricarboxylic acid and its anhydride
- trimellitic anhydride and trimellitic acid and more preferred are trimellitic anhydride
- Examples of the divalent carboxylic acid compound include phthalic acid, phthalic anhydride, isophthalic acid, terephthalic acid, naphthalenedicarboxylic acid (including positional isomers) and anhydrides thereof, anthracene dicarboxylic acid (positional isomers). ) And its anhydride, biphenyldicarboxylic acid (including regioisomer) and its anhydride, benzophenone dicarboxylic acid (including regioisomer) and its anhydride, cyclohexanedicarboxylic acid (including regioisomer) And anhydrides thereof.
- the polyvalent carboxylic acid compound (C) satisfies the following relational expressions (3) and (4).
- Cc Polycarboxylic acid compound (C) concentration (gZg) in the polyester resin composition.
- Ca Polyamide resin (A) concentration (gZg) in the polyester resin composition.
- C X Cc of the formula (3) is preferably 1 to 15, more preferably 1 to 10.
- the reactivity with the polyamide resin (A) and the polyester resin (B) is moderate and does not cause an excessive increase in viscosity. improves.
- 0: 7 (&) is preferably 1 to 10, more preferably 1 to 8.
- the reactivity with the polyamide resin (A) is moderate and does not cause an excessive increase in viscosity, so the transparency of the resulting molded article is improved.
- the concentration of the polyvalent carboxylic acid compound (C) in the polyester resin composition is determined as polyamide resin
- the polycarboxylic acid compound (C) may be a mixture of a divalent carboxylic acid compound and a trivalent carboxylic acid compound, but each carboxylic acid compound may be used alone. . When both carboxylic acid compounds are used in combination, the mixing ratio can be arbitrarily determined.
- the (melt viscosity of the polyamide resin ( ⁇ )) / (melt viscosity of the polyester resin ( ⁇ )) is preferably 0.3 to 1.2.
- the melt viscosity is measured at an apparent shear rate of 100 Zsec and 270 ° C. When it is in the above range, a molded article having further excellent transparency can be obtained.
- the polyester resin composition comprises 2 to 15% by weight of polyamide resin (A), 84.8 to 99.99% by weight of polyester resin (B), and
- the trivalent carboxylic acid compound contains 0.01 to 0.2% by weight ((the total of the weight percent is 100% by weight).
- the content of the polyamide resin (A) is preferably 2 to 10% by weight, More preferably 2 to 5% by weight .
- the content of the polyester resin (B) is preferably 90 to 99.99% by weight, more preferably 95 to 99.99% by weight.
- the content of the trivalent carboxylic acid compound is preferably 0.01 to 0.1% by weight, more preferably 0.01) 0.07% by weight.
- the polyester resin composition comprises 2 to 30% by weight of polyamide resin (A) and 69.5 to 99.99% by weight of polyester resin (B). , Divalent carboxylic acid compound compound 0.01 to 0.5 wt%, and trivalent carboxylic acid compound 0 to 0.3 wt% (however, divalent carboxylic acid compound and trivalent carboxylic acid compound The total amount is 0.01-0. 5% by weight). The sum of the weight percentages is 100 weight%.
- the content of the polyamide rosin (A) is preferably 2 to 20% by weight, more preferably 2 to 15% by weight.
- Containing Yuryou polyester ⁇ (B) is preferably from 79.6 to 97.99 weight 0/0, more preferably from 84.7 to 97.99 weight 0/0.
- the content of the divalent carboxylic acid compound is preferably 0.01 to 0.3% by weight, and 0.01 to 0.2% by weight.
- the content of the trivalent carboxylic acid compound is preferably 0 to 0.2% by weight, and preferably 0 to 0.1% by weight.
- the total amount of the divalent carboxylic acid compound and the trivalent carboxylic acid compound (the total amount of the polyvalent carboxylic acid compound (C)) is preferably 0.01 to 0.3% by weight, more preferably 0.01. -0. 2% by weight.
- trimellitic anhydride is most preferred. Phthalic anhydride, trimellitic acid, phthalic acid and other polyvalent carboxylic acid compounds are preferred in this order. Better ,.
- the polyester resin composition of the present invention is produced by the following production method.
- the melt kneading method is not particularly limited in the order of melting and kneading the polyamide resin (A), the polyester resin (B), and the polyvalent carboxylic acid compound (C). Can be mentioned.
- GO Polyamide resin (A), polyester resin (B), and polyvalent carboxylic acid compound (C) are simultaneously melt-kneaded to obtain a preliminary composition (masterbatch), and then the preliminary composition A master batch method in which a polyester resin composition is further melt-kneaded with polyester resin resin (B) (polyester resin resin for dilution (B)).
- Methods GO and Gv) are preferred Method GO is more preferred.
- polyamide resin (A) 10-40% by weight, polyester resin (B) 59.00-89.95% by weight, and polyvalent carboxylic acid compound (C ) After preparing a pre-composition consisting of 0.05 to 1% by weight (the sum of the weight percentages of components (A), (B) and (C) is 100% by weight), for example, the pre-composition 5 to It is preferable to produce a polyester resin composition of the present invention having the composition described above by melt-kneading a mixture containing 50% by weight and 50 to 95% by weight of polyester resin for dilution (B).
- the dilution polyester resin (B) may be the same as or different from the polyester resin (B) contained in the preliminary composition. When they are different, it is preferable that the preliminary composition (masterbatch) and the polyester resin for dilution satisfy the following formulas (5) and (6).
- x is the melt viscosity (Pa's) of the preliminary composition measured at 270 ° C and shear rate lOOZs
- y is the melt viscosity (Pa's) of the polyester resin for dilution (B) measured under the same conditions. is there).
- the preliminary composition (masterbatch) satisfying the formula (5) has an appropriate viscosity
- the polyamide resin (A) is more finely dispersed when melt-kneaded with the polyester resin resin (B) for dilution.
- transparency and mechanical performance of the obtained molded body are improved.
- the polyester resin for dilution (B) satisfying the formula (6) not only the fine dispersion during melt-kneading is further improved, but also deterioration and coloring of the resin due to excessive heat generation can be reduced. Is possible.
- melt-kneading for example, polyamide resin (A), polyester resin (B), and polyvalent carboxylic acid compound (C) are dry-blended with a tumbler, V-type blender, Henschel mixer or the like. , A dry blended mixture is further melt-mixed once or more with a single-screw extruder, twin-screw extruder, kneader, etc., and the molten mixture is solid-phase polymerized under a high vacuum or in an inert gas atmosphere as necessary. The method of doing However, the melt kneading method using a twin screw extruder is preferred.
- the melt kneading temperature is 200 to 300 ° C. More preferably, it is 220 to 290 ° C.
- the screw mixing section in the extruder is a combination of parts such as a reverse screw element and a singing disk, it can be dispersed efficiently.
- the polyamide resin (A) is finely dispersed in the polyester resin composition of the present invention.
- the average dispersed particle size of polyamide ⁇ (A) is 0.05 to 0.35 / zm is more preferably 0.05 to 0.20.
- the polyester resin composition does not impair the effects of the present invention! / In the range of other resins, other resins, pigments, dyes, carbon black, lubricants, anti-foaming agents, heat stabilizers, Contains additives such as weathering stabilizers, ultraviolet absorbers, fluorescent brighteners, nucleating agents, plasticizers, flame retardants, antistatic agents, alkaline compounds that prevent gelation of polyamide resin. Yo ... It is preferable that the total amount of the additives is preferably 5% by weight or less with respect to the total amount of the polyester resin composition.
- polyester resins such as polyethylene naphthalate resin and polybutylene terephthalate resin
- polyamide resins such as nylon 6, nylon-6IT and nylon 66
- polyethylene, polypropylene and the like examples include polyolefin.
- the polyester resin composition of the present invention has essentially no change in its properties! / Recovered polyethylene terephthalate product and modified polyethylene terephthalate product containing a small amount of isophthalic acid unit within the range of Material, polyamide product recovered material, mill material at the time of molding, and non-standard material, etc. Recovered polyester and soot or recovered polyamide resin may be added.
- the molded body of the present invention is obtained by molding the polyester resin composition.
- the polyester resin composition of the present invention is a material for a molded product that requires high transparency. Can be used.
- the molded body include, for example, a non-stretched or low stretch ratio single layer sheet and multilayer sheet obtained by a T-die method, a coextrusion method, a film obtained by stretching the sheet, and a low stretch ratio obtained from the sheet.
- the molded product having the polyester resin composition strength of the present invention can be reduced in the dispersed particle size of the polyamide resin in the obtained nylon by injection molding under specific conditions.
- a biaxially stretched hollow container obtained by biaxially stretching blow-molding the parison exhibits good transparency.
- the polyester resin composition is injected into a mold cavity of an injection molding machine through a mold hot runner such as an injection cylinder cover to obtain a nozzle. Further, it can be obtained by biaxial stretch blow molding.
- the injection molding conditions for obtaining a parison that is a precursor of the biaxially stretched hollow container preferably satisfy the following conditions (a) to (e).
- the injection condition is a value indicated by a meter of the injection molding apparatus. If the meter is not installed in the injection molding machine, it can be calculated from the specifications of the injection molding machine and the set values at the time of injection molding.
- the parison molded under the above conditions has a small dispersion particle diameter of the polyamide resin (A) in the polyester resin composition and a small dispersion of the dispersion particle diameter. Property is improved.
- the average diameter of the dispersed particles of the polyamide resin (A) in the polyester resin composition in an arbitrary area of the body of the parison is preferably 0.05 to 0.20 m. In addition, more than 60% of the dispersed particles are centered around the average diameter ⁇ 0.5 / zm Preferred to be in the range.
- the dispersion particle size of the polyamide resin (A) in the polyester resin composition is mainly affected by the measurement and injection conditions. That is, increasing the back pressure of the screw at the time of metering increases the screw rotation speed, so that the kneading of the molten resin proceeds and the dispersed particle size decreases. Further, by increasing the injection speed, a shearing force is applied to the molten resin and the dispersed particle size is reduced. However, simply increasing the injection speed only reduces the average value of the dispersed particle diameter, and includes polyamide resin having a relatively large dispersed particle diameter.
- a uniform dispersed particle size can be obtained by simply increasing the back pressure and increasing the screw speed during weighing, but the average dispersed particle size is larger than when the injection speed is increased. Therefore, the dispersed particle size of the polyamide resin (A) can be uniformly reduced by appropriately combining the number of screw rotations, back pressure, and injection speed.
- Injection molding conditions (a) to (e) can be appropriately selected according to the melt viscosity of the resin to be molded.
- the resin temperature is 260 to 290 ° C, it is possible to prevent the unmelted material from being deposited in Norison and the transparency from being lowered. Further, yellowing of the parison can be suppressed, and bad appearance of the biaxially stretched hollow container can be prevented.
- the mold temperature is 10 ° C to 25 ° C, it is possible to prevent the appearance from deteriorating due to crystallization of Norison. In addition, the transparency of the biaxially stretched hollow container is increased.
- the surface temperature of the parison is set to 90 to 120 ° C by heating with a far infrared heater for 15 seconds to 4 minutes, and the stretch rod and 0.5 to 3. It can be obtained by blow molding at a pressure of 5 MPa.
- the molded article of the present invention has excellent gas barrier performance, transparency, and mechanical performance.
- the oxygen transmission rate at 23 ° C and 60% RH is 0.035ccZ bottle 'day'O. 21atm or less
- haze value is 8% (thickness 300m) or less
- Molded articles such as films, sheets and biaxially stretched hollow containers of the present invention have excellent gas barrier properties. In addition, it is excellent in color tone and transparency.
- liquid beverages for example, liquid beverages; seasonings; pasty foods; liquid foods; processed rice products; high-moisture foods; low-moisture foods; solid and solution chemicals; liquid and pasty pharmaceuticals; cosmetics and skin care products
- various articles can be stored.
- polyamide 0.3 to 0.5 g was precisely weighed and dissolved in 30 cc of benzyl alcohol with stirring at 160 to 180 ° C. in a nitrogen stream. After complete dissolution, cooling to 80 ° C or lower under a nitrogen stream, adding methanol to the lOcc mixture while stirring, and neutralizing titration with NZ100 sodium hydroxide solution.
- Polyamide lg was precisely weighed and dissolved in 100 ml of 96% sulfuric acid at 20-30 ° C with stirring. After complete dissolution, 5cc of the solution was quickly taken into a Cannon-Fenceke viscometer and left in a constant temperature bath at 25 ° C for 10 minutes, and then the drop rate (t) was measured. Also, the falling speed of 96% sulfuric acid itself (t)
- a cloudiness value measuring device (model: COH-300 mm) manufactured by Nippon Denshoku Industries Co., Ltd. was used.
- a cloudiness value measuring device (model: COH-300A) manufactured by Nippon Denshoku Industries Co., Ltd. was used.
- Capillograph D-1 manufactured by Toyo Seiki Co., Ltd., die: 1mm ⁇ X 10mm length, apparent shear rate 100Zs, measurement temperature 270 ° C, sample moisture 300ppm or less.
- the dispersion state was observed based on the density of the dyed polyamide, and the average dispersed particle size was determined.
- adipic acid 15.00 kg in a polymerization tank with a jacket equipped with a stirrer, a condenser, a cooler, a thermometer, a dripping tank, and a nitrogen gas introduction tube, and thoroughly purge with nitrogen.
- the temperature was raised under an air stream, and adipic acid was dissolved at 170 ° C to obtain a uniform fluid state.
- 13.91 kg of metaxylylenediamine was added dropwise over 160 minutes with stirring. During this time, the internal temperature was continuously raised to 245 ° C, and water distilled with the addition of metaxylylenediamine was removed from the system through a condenser and a cooler.
- the internal temperature was continuously raised to 255 ° C, and the reaction was continued for 15 minutes. Thereafter, the internal pressure of the reaction system was continuously reduced to 600 mmHg over 10 minutes, and then the reaction was continued for 40 minutes. During this time, the reaction temperature was continuously raised to 260 ° C.
- the inside of the polymerization tank was pressurized with 0.2MPa with nitrogen gas, and the polymer (polymetaxylylene adipamide) was taken out as a strand from the nozzle at the bottom of the polymerization tank and cut after water cooling to obtain 25kg pellets. It was.
- the pellets thus obtained had a relative viscosity of 2.13 and a moisture content of 0.62%.
- PAl Polyamide 1
- the terminal amino group concentration was 21 ⁇ eq / g
- the terminal carboxyl group concentration was 62 eqZg
- the relative viscosity was 2.64
- the water content was 0.03%.
- PA2-7 having the properties shown in Table 1 were obtained in the same manner as in Synthesis Example 1 except that the amount of metaxylylenediamine used in the reaction, the reaction time, and the temperature were changed.
- Synthesis Example 2 (PA2) and Synthesis Example 7 (PA7) instead of solid-phase polymerization, the melt-polymerized polyamide was dried at 140 ° C. in a tumbler. Table 1 shows the relative viscosity of the dried product.
- polyester resin, polyamide resin and polyvalent carboxylic acid compound are mixed in a tumbler and extruded using a twin screw extruder (screw diameter: 20mm ⁇ , L / D: 25) at an extrusion temperature of 280 ° C.
- the mixture was melt-kneaded while reducing the pressure inside the extruder cylinder with a vacuum pump under conditions of an extrusion speed of 15 kgZh, and pellets were obtained by pelletizing the extruded strands.
- Polyester resin Polyethylene terephthalate resin (Invista, grade 1101E, intrinsic viscosity 0.80dlZg) 77.8 parts by weight of dry pellets
- Polyamide resin PA1 20 parts by weight
- Polycarboxylic acid compound Trimellitic anhydride (hereinafter abbreviated as TMAn) 0.2 parts by weight
- TMAn Trimellitic anhydride
- the obtained pellets are vacuum-dried at 150 ° C for 6 hours to obtain a resin composition (preliminary master batch) Got. 10 parts by weight of this pre-master batch pellet and 90 parts by weight of polyethylene terephthalate grease (Invista, grade: 1101E) were dry blended in a tumbler.
- the mixture was injection molded with an injection molding apparatus (M200PDM-MJ, manufactured by Meiki Seisakusho Co., Ltd.) to obtain a Norison having a length of 96 mm, a wall thickness of 4. Omm, an outer diameter of 22.5 mm, and a weight of 27 g.
- the injection molding was performed under the conditions of a resin temperature of 280 ° C, a mold temperature of 15 ° C, and a screw speed of 150 rpm.
- the resulting parison was biaxially stretched by blow molding equipment (frontier EFB1000ET) to produce a biaxially stretched blow bottle with a height of 223mm, body diameter of 65mm, capacity of 500mL, and average thickness of about 300m. Obtained.
- the obtained bottle showed good transparency and gas barrier performance with little coloring. The results are shown in Table 2.
- Example 2 A parison and a stretch blow bottle were obtained under the same conditions as in Example 1 except that the ratio of the preliminary masterbatch obtained in Example 1 to the polyethylene terephthalate resin was 25 Z75 parts by weight. The obtained bottle had good transparency and gas barrier performance with little coloring. The results are shown in Table 2.
- Example 2 A parison and a stretch blow bottle were obtained under the same conditions as in Example 1 except that the ratio of the preliminary masterbatch obtained in Example 1 to the polyethylene terephthalate resin was 35 Z65 parts by weight. The obtained bottle had good transparency and gas barrier performance with little coloring. The results are shown in Table 2.
- PA2 dry product
- PA2 Z polyethylene terephthalate Z polycarboxylic acid compound 20Z79.
- 74 / 0.24 weight ratio
- Example 5 A parison and a stretch blow bottle were obtained under the same conditions as in Example 1 except that the ratio of the preliminary masterbatch obtained in Example 1 to the polyethylene terephthalate resin was 5Z 95 (weight ratio). The obtained bottles were inferior in gas nozzle performance. The results are shown in Table 5.
- TMA trimellitic acid
- a parison and a stretched blow bottle were obtained under the same conditions as in Example 2, except that 1,2,4-cyclohexanetricarboxylic acid anhydride (hereinafter abbreviated as CHTAn) was used as the polyvalent carboxylic acid compound.
- CHTAn 1,2,4-cyclohexanetricarboxylic acid anhydride
- Example 2 A parison and a stretch blow bottle were obtained under the same conditions as in Example 2 except that pyromellitic anhydride (hereinafter abbreviated as PMDA) was used as the polyvalent carboxylic acid compound. The appearance of the resulting bottle was deeply colored yellow. The results are shown in Table 5.
- PMDA pyromellitic anhydride
- PA1 PA1 PA2 Terminal amino group concentration a ( ⁇ equivalent / g) 21 21 21 39 Terminal carboxyl group concentration b (// equivalent / g) 62 62 62 84 Formula (2) a + b ( ⁇ eq / g ) 83 83 83 83 123 Polycarboxylic acid compound
- Bottle oxygen permeability (cc / bottom ⁇ day ⁇ 0.21atm) 0.021 0.020 0.020 0.020]
- Polyester resin composition Composition (wt%) (wt%)
- Bottle oxygen permeability ( cc / bottle Dayday 0.21atm) 0.020 0.021 0.020 0.021 0.022 0.021 0.022
- Polyester resin composition (wt%)
- polyester resin, polyamide resin and polyvalent carboxylic acid compound are mixed in a tumbler and extruded using a twin screw extruder (screw diameter: 20mm ⁇ , L / D: 25) at an extrusion temperature of 280 ° C.
- the mixture was melt-kneaded while reducing the pressure inside the extruder cylinder with a vacuum pump under conditions of an extrusion speed of 15 kgZh, and pellets were obtained by pelletizing the extruded strands.
- Polyester resin Polyethylene terephthalate resin (manufactured by Invista, grade: 1101E, intrinsic viscosity 0.80dlZg) 77.8 parts by weight of dry pellets
- Polyamide resin PA1 20 parts by weight
- Polycarboxylic acid compound Phthalic anhydride (hereinafter abbreviated as PAn) 0.2 parts by weight
- the obtained pellets were vacuum-dried at 150 ° C. for 6 hours to obtain a resin composition (preliminary master batch). 10 parts by weight of this preliminary masterbatch pellet and 90 parts by weight of polyethylene terephthalate grease (Invista, grade: 1101E) were dry blended with a tumbler, and the mixture was injected into an injection molding machine (manufactured by Meiki Seisakusho, M200PDM-MJ) was injection molded to obtain a Norison with a length of 96mm, wall thickness of 4. Omm, outer diameter of 22.5mm, and weight of 27g. The injection molding was performed under the conditions of a resin temperature of 280 ° C, a mold temperature of 15 ° C, and a screw speed of 150 rpm.
- the resulting parison was biaxially stretched by blow molding equipment (frontier EFB1000ET) to produce a biaxially stretched blow bottle with a height of 223mm, body diameter of 65mm, capacity of 500mL, and average thickness of about 300m. Obtained.
- the obtained bottle showed good transparency and gas barrier performance with little coloring. The results are shown in Table 6.
- Example 6 A parison and a stretch blow bottle were obtained under the same conditions as in Example 9, except that the ratio of the preliminary masterbatch obtained in Example 9 and the polyethylene terephthalate resin was 25 Z75 parts by weight. The obtained bottle had good transparency and gas barrier performance with little coloring. The results are shown in Table 6.
- Example 6 A parison and a stretch blow bottle were obtained under the same conditions as in Example 9, except that the ratio of the preliminary masterbatch obtained in Example 9 and the polyethylene terephthalate resin was 35 Z65 parts by weight. It was. The obtained bottle had good transparency and gas barrier performance with little coloring. The results are shown in Table 6.
- PA2 dry product
- PA2 Z polyethylene terephthalate Z polycarboxylic acid compound PAn
- 74 / 0.24 weight ratio
- a parison and a stretch blow bottle were obtained under the same conditions as in Example 9 except that the ratio of the preliminary masterbatch and polyethylene terephthalate resin was 25 to 75 (weight ratio). The results are shown in Table 6.
- Example 10 A nylon and stretched blow bottle were obtained under the same conditions as in Example 10 except that ⁇ 7 (dried product) was used as the polyamide resin ( ⁇ ). The appearance of the obtained bottle was deeply colored in yellow and had low transparency. The results are shown in Table 9.
- Example 9 A parison and a stretch blow bottle were obtained under the same conditions as in Example 9 except that the ratio of the preliminary masterbatch obtained in Example 9 to the polyethylene terephthalate resin was 5 to 95 (weight ratio). The obtained bottles were inferior in gas nozzle performance. The results are shown in Table 9.
- ⁇ and trimellitic anhydride (hereinafter abbreviated as ⁇ ) as the polyvalent carboxylic acid compound, A parison and a stretch blow bottle were obtained under the same conditions as in Example 10 except that a preliminary masterbatch consisting of 76/0. 12 / 0.12 (weight ratio) was used. The results are shown in Table 7.
- Example 10 A parison and a stretch blow bottle were obtained under the same conditions as in Example 10 except that pyromellitic anhydride (hereinafter abbreviated as PMDA) was used as the polyvalent carboxylic acid compound. The appearance of the obtained bottle was deeply colored yellow. The results are shown in Table 9.
- PMDA pyromellitic anhydride
- Carboxylic group concentration c equivalent / g) 6760 6760 6760 Formula (3) cXCc (equivalent / g)-3.4 23.6 6, 8 3.4 Formula (4) (cXCc) / (aXCa) (i equivalent / g) 1 1.1 13.9 13.5 2.8 Relative viscosity of polyamide resin 2.64 2.65 2.66 2.62 3.82 Melt viscosity ratio (polyamide resin / polyester resin) 1.0 1.0 1.0 0.9 3.3 Evaluation results
- the preliminary masterbatch obtained in Example 9 was melt-kneaded and formed by the T-die method under the conditions of a cylinder temperature of 270 to 290 ° C, a T-die temperature of 280 ° C, a screw speed of 100 rpm, and a cooling roll temperature of 70 ° C.
- An unstretched sheet having a width of 120 mm and a thickness of about 0.3 mm was obtained.
- a tenter type biaxial stretching machine manufactured by Toyo Seiki Co., Ltd., preheating the above unstretched sheet at 90 to 110 ° C for 30 seconds, and then stretching in the longitudinal and transverse directions at a linear stretching speed of 60% Z seconds.
- the film was stretched simultaneously in the longitudinal and transverse directions at a magnification of 3.5 times to obtain a stretched film having a thickness of 20 m.
- the unstretched sheet obtained had a haze of 3.5% and a YI of 2.2, and the stretched film had a haze of 3.8%, a wrinkle of 2.8, and an oxygen permeability coefficient of 0.26 cc-mm / m 2 -dayatm (23 ° C, 60% RH condition).
- the linear stretching speed was 60% Z seconds, and the stretching ratio in the longitudinal and lateral directions was 3.5 times.
- the film was stretched in the longitudinal and transverse directions at the same time to obtain a stretched film having a thickness of 20 m.
- the obtained unstretched sheet has a haze of 12.5% and a YI of 5.6, and the stretched film has a haze of 13.9%, a wrinkle of 5.9, and an oxygen transmission coefficient of 0.28 cc -mm / m. 2 -dayatm (23 ° C, 60% RH condition).
- Example 1 The operation of Example 1 was repeated to produce a biaxially stretched blow bottle. The results are shown in Table 10.
- Example 10 A parison and a stretch blow bottle were obtained under the same conditions as in Example 1 except that the ratio of the preliminary masterbatch obtained in Example 17 and the polyethylene terephthalate resin was 25 Z75 parts by weight. The obtained bottle had good transparency and gas barrier performance with little coloring. The results are shown in Table 10.
- Example 10 A parison and a stretch blow bottle were obtained under the same conditions as in Example 1 except that the ratio of the preliminary masterbatch obtained in Example 17 and the polyethylene terephthalate resin was 35 Z65 parts by weight. The obtained bottle had good transparency and gas barrier performance with little coloring. The results are shown in Table 10.
- Polyamide resin (PA1) Z Polyethylene terephthalate Z Polyhydric carboxylic acid compound 35/64. 65/0.
- polyamide ⁇ (PA1) to drive Trend in Z polyethylene terephthalate Z polycarboxylic acid (TMAn) 5Z94. 95/0. 05 weight 0/0 composition ratio of the simultaneous melting
- TMAn polyethylene terephthalate Z polycarboxylic acid
- polyamide ⁇ (A) as PA2 dried product
- polyamide ⁇ (PA2) Z polyethylene terephthalate Z polycarboxylic acid compound 20Z79.
- the 74/0. 24 weight 0/0 force becomes preliminary master batch It was prepared and a nylon and a stretched blow bottle were obtained in the same manner as in Example 17 except that the ratio of the preliminary master notch and the polyethylene terephthalate resin was 25 to 75% by weight. The results are shown in Table 11.
- Example 18 A parison and stretched blow bottle were obtained under the same conditions as in Example 18 except that ⁇ 7 (dried product) was used as the polyamide greaves. The appearance of the obtained bottle was deeply colored in yellow and had low transparency. The results are shown in Table 13.
- Example 13 A parison and a stretch blow bottle were obtained under the same conditions as in Example 17 except that the ratio of the preliminary masterbatch obtained in Example 17 to the polyethylene terephthalate resin was 5 to 95 (weight ratio). The obtained bottles were inferior in gas nozzle performance. The results are shown in Table 13.
- TMA trimellitic acid
- a parison and a stretch blow bottle were obtained under the same conditions as in Example 18 except that phthalic anhydride (hereinafter abbreviated as PAn) was used as the polyvalent carboxylic acid compound (C).
- PAn phthalic anhydride
- Table 11 The results are shown in Table 11.
- Example 18 A parison and a stretch blow bottle were obtained under the same conditions as in Example 18 except that pyromellitic anhydride (hereinafter abbreviated as PMDA) was used as the polyvalent carboxylic acid compound. The appearance of the obtained bottle was deeply colored yellow. The results are shown in Table 13.
- PMDA pyromellitic anhydride
- Polyamide ⁇ (PA1) Z polyethylene terephthalate Z polycarboxylic Sani ⁇ product 50/49. 5/0. 5 weight 0 to produce / 0 preliminary master batch consisting of the ratio of the preliminary master Roh Tutsi and polyethylene terephthalate resin A parison and a stretch blow bottle were obtained under the same conditions as in Example 17 except that the content was 10 Z 90% by weight. The obtained bottle was inferior in transparency. The results are shown in Table 13.
- Polyester resin composition (% by weight)
- Bottle oxygen permeability (cc / bottle ⁇ day-0. 21atm) 0. 020 0 021 0. 020 0. 020 0. 022
- Bottle oxygen permeability (cc / bottle ⁇ day ⁇ 0.21atra) 0.023 0.038 0.007 o]
- Polyester resin composition Composition (wt%) (wt%)
- polyester resin composition MB MB MB Masterbatch composition (weight 0 / o)
- a polyester resin composition is injection molded with an injection molding machine (M200PDM-MJ, manufactured by Meiki Seisakusho Co., Ltd.) to obtain a parison with a length of 96mm, wall thickness of 4. Omm, outer diameter of 22.5mm, and weight of 27g. It was. Injection molding was performed under the conditions of a resin temperature of 280 ° C, a mold temperature of 15 ° C, and a screw speed of 150 rpm. The body part of the obtained parison was observed with an electron microscope. The average dispersed particle size of the polyamide resin having a cross-sectional area of about 19 ⁇ m 2 was 0.18 ⁇ m.
- the resulting parison was biaxially stretched by blow molding equipment (frontier EFB1000ET) to produce a biaxially stretched blow bottle with a height of 223 mm, a barrel diameter of 65 mm, a capacity of 500 mL, and an average thickness of about 300 m. Obtained.
- the resulting bottle had good transparency and gas-nolia performance with little coloring.
- Example 28 Parison under the same conditions as in Example 28 except that polyethylene terephthalate resin (manufactured by Nippon Pet Co., Ltd., trade name: UNIPET, grade: RT580CA (water content 150 ppm)) was used as the polyester resin for dilution. A stretch blow bottle was obtained. The obtained bottle had good transparency with little coloration and gas-noria performance.
- polyethylene terephthalate resin manufactured by Nippon Pet Co., Ltd., trade name: UNIPET, grade: RT580CA (water content 150 ppm)
- the parison was prepared under the same conditions as in Example 28 except that a masterbatch was prepared using polyethylene terephthalate resin (trade name: UNIPET, grade: RT580CA (water content 150 ppm)) manufactured by Nippon Pet Co., Ltd. A stretch blow bottle was obtained. The resulting bottle was less colored and had good transparency and gas noria performance.
- polyethylene terephthalate resin trade name: UNIPET, grade: RT580CA (water content 150 ppm)
- polyester resin, polyamide resin and polyvalent carboxylic acid compound are mixed in a tumbler, using a twin screw extruder at an extrusion temperature of 280 ° C, an extrusion speed of 15 kgZh, and inside the extruder cylinder.
- the mixture was melt-kneaded while reducing the pressure with a vacuum pump, and the extruded strand was pelletized to obtain pellets.
- Polyester resin Polyethylene terephthalate resin (manufactured by Invista, grade: 1101E, inherent viscosity 0.80dlZg) 80 parts by weight of dried pellets
- Polyamide resin MX nylon (Mitsubishi Gas Chemical Co., Ltd. grade S6007, relative viscosity 2.65) 20 parts by weight
- TMAn Trimellitic dianhydride
- the obtained pellets were vacuum-dried at 150 ° C. for 6 hours to obtain a resin composition (preliminary master batch). 25 parts by weight of this preliminary masterbatch pellet and 75 parts by weight of dry pellets of polyethylene terephthalate resin (grade 1101E) were dry blended, and this mixture was injected using an injection molding machine (M200PDM-MJ, manufactured by Meiki Seisakusho). By injection molding, a parison with a length of 96 mm, a wall thickness of 4. Omm, an open diameter of 22.5 mm, and a weight of 27 g was obtained. The dispersed particle size of polyamide rosin in a test piece of about 5.
- the parison was biaxially stretch blow-molded with a blow molding device (frontier EFB1000ET) to obtain a biaxially stretched hollow container having a height of 223 mm, a barrel diameter of 65 mm, a capacity of 50 OmL, and an average thickness of about 300 m. .
- the results are shown in Table 14.
- a parison and a biaxially stretched hollow container were produced in the same manner as in Example 31 except that the injection speed was lOOmZsec. The results are shown in Table 14.
- a parison and a biaxially stretched hollow container were prepared in the same manner as in Example 31 except that the back pressure was 3.5 MPa, the screw rotation speed was 100 rpm, and the injection speed was 125 cc Zsec. The results are shown in Table 14.
- a parison and a biaxially stretched hollow container were produced in the same manner as in Example 31 except that the back pressure was 1. OMPa and the injection speed was 30 cc Zsec. The results are shown in Table 14.
- the polyester resin composition of the present invention has good moldability, and the obtained molded article has practically sufficient gas barrier properties and mechanical properties, is less colored, and has improved transparency.
- the molded body is very useful as a packaging material for foods, beverages, medicines, electronic parts, etc., and the industrial value of the present invention is high.
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP07738147.3A EP2003169B1 (en) | 2006-03-10 | 2007-03-09 | Polyester resin composition, method for producing same and molded body |
KR1020087020248A KR101302924B1 (ko) | 2006-03-10 | 2007-03-09 | 폴리에스테르 수지 조성물 및 그 제조 방법, 및 성형체 |
US12/282,372 US8597750B2 (en) | 2006-03-10 | 2007-03-09 | Polyester resin composition, method for producing same and molded body |
CN2007800078517A CN101395221B (zh) | 2006-03-10 | 2007-03-09 | 聚酯树脂组合物及其制备方法以及成形体 |
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JP2006065286 | 2006-03-10 | ||
JP2006065287 | 2006-03-10 | ||
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JP2006065283 | 2006-03-10 | ||
JP2006-065285 | 2006-03-10 | ||
JP2006065285 | 2006-03-10 | ||
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JP2006-065286 | 2006-03-10 |
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US (1) | US8597750B2 (ja) |
EP (1) | EP2003169B1 (ja) |
KR (1) | KR101302924B1 (ja) |
CN (1) | CN101395221B (ja) |
WO (1) | WO2007105628A1 (ja) |
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CN102382429A (zh) * | 2011-10-24 | 2012-03-21 | 广州市信联智通实业有限公司 | 一种聚对苯二甲酸乙二醇酯阻隔性复合材料及其制备工艺 |
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CN102618025A (zh) * | 2012-03-31 | 2012-08-01 | 金发科技股份有限公司 | 一种耐高温尼龙/pen共聚物及其制备方法与应用 |
EP3045291A4 (en) * | 2013-09-11 | 2017-04-26 | Mitsubishi Gas Chemical Company, Inc. | Method for producing a polyolefin structure |
WO2017194077A1 (en) | 2016-05-09 | 2017-11-16 | Arcelik Anonim Sirketi | A cooking control device |
CN113906101A (zh) * | 2019-06-11 | 2022-01-07 | 三菱瓦斯化学株式会社 | 氯系液体漂白剂组合物用容器及漂白剂物品 |
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US6121388A (en) * | 1998-05-12 | 2000-09-19 | Toray Industries, Inc. | Polyamide resin composition |
US6239233B1 (en) * | 1998-10-09 | 2001-05-29 | Eastman Chemical Company | Polyester/polyamide blends with improved color |
PL1943310T5 (pl) * | 2005-10-25 | 2023-12-04 | APG Polytech, LLC | Udoskonalone dyspersje poliamidów o dużej zawartości grup karboksylowych w poliestrach z użyciem środka zmniejszającego napięcie międzyfazowe |
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2007
- 2007-03-09 KR KR1020087020248A patent/KR101302924B1/ko active IP Right Grant
- 2007-03-09 WO PCT/JP2007/054662 patent/WO2007105628A1/ja active Application Filing
- 2007-03-09 EP EP07738147.3A patent/EP2003169B1/en active Active
- 2007-03-09 CN CN2007800078517A patent/CN101395221B/zh active Active
- 2007-03-09 US US12/282,372 patent/US8597750B2/en active Active
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JPS62201963A (ja) | 1986-02-28 | 1987-09-05 | Toyobo Co Ltd | ポリエステル樹脂組成物 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102382429A (zh) * | 2011-10-24 | 2012-03-21 | 广州市信联智通实业有限公司 | 一种聚对苯二甲酸乙二醇酯阻隔性复合材料及其制备工艺 |
CN102382429B (zh) * | 2011-10-24 | 2013-11-06 | 广州信联智通实业股份有限公司 | 一种聚对苯二甲酸乙二醇酯阻隔性复合材料及其制备工艺 |
Also Published As
Publication number | Publication date |
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EP2003169A2 (en) | 2008-12-17 |
KR101302924B1 (ko) | 2013-09-06 |
EP2003169A4 (en) | 2010-09-08 |
EP2003169A9 (en) | 2009-04-22 |
US8597750B2 (en) | 2013-12-03 |
CN101395221B (zh) | 2011-09-21 |
EP2003169B1 (en) | 2014-10-15 |
KR20080099275A (ko) | 2008-11-12 |
CN101395221A (zh) | 2009-03-25 |
US20090092778A1 (en) | 2009-04-09 |
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