WO2009150830A1 - ポリブチレンテレフタレート樹脂組成物及び成形品 - Google Patents
ポリブチレンテレフタレート樹脂組成物及び成形品 Download PDFInfo
- Publication number
- WO2009150830A1 WO2009150830A1 PCT/JP2009/002607 JP2009002607W WO2009150830A1 WO 2009150830 A1 WO2009150830 A1 WO 2009150830A1 JP 2009002607 W JP2009002607 W JP 2009002607W WO 2009150830 A1 WO2009150830 A1 WO 2009150830A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polybutylene terephthalate
- terephthalate resin
- resin composition
- amount
- carbodiimide compound
- Prior art date
Links
- -1 Polybutylene terephthalate Polymers 0.000 title claims abstract description 124
- 229920001707 polybutylene terephthalate Polymers 0.000 title claims abstract description 63
- 239000011342 resin composition Substances 0.000 title claims abstract description 29
- 238000000465 moulding Methods 0.000 title description 15
- 229920005989 resin Polymers 0.000 claims abstract description 48
- 239000011347 resin Substances 0.000 claims abstract description 48
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 23
- 239000012765 fibrous filler Substances 0.000 claims abstract description 18
- 150000001718 carbodiimides Chemical group 0.000 claims abstract description 11
- 239000003960 organic solvent Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 abstract description 12
- 239000000806 elastomer Substances 0.000 abstract description 12
- 239000000446 fuel Substances 0.000 abstract description 9
- 230000007062 hydrolysis Effects 0.000 abstract description 7
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 7
- 230000008961 swelling Effects 0.000 abstract description 6
- 230000035939 shock Effects 0.000 description 19
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 16
- 239000008188 pellet Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 9
- 239000004594 Masterbatch (MB) Substances 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 9
- 239000003365 glass fiber Substances 0.000 description 8
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 238000004898 kneading Methods 0.000 description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- VPKDCDLSJZCGKE-UHFFFAOYSA-N carbodiimide group Chemical group N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- VEIOBOXBGYWJIT-UHFFFAOYSA-N cyclohexane;methanol Chemical compound OC.OC.C1CCCCC1 VEIOBOXBGYWJIT-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 2
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 2
- 229940058015 1,3-butylene glycol Drugs 0.000 description 1
- BDNKZNFMNDZQMI-UHFFFAOYSA-N 1,3-diisopropylcarbodiimide Chemical compound CC(C)N=C=NC(C)C BDNKZNFMNDZQMI-UHFFFAOYSA-N 0.000 description 1
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 1
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- WSQZNZLOZXSBHA-UHFFFAOYSA-N 3,8-dioxabicyclo[8.2.2]tetradeca-1(12),10,13-triene-2,9-dione Chemical group O=C1OCCCCOC(=O)C2=CC=C1C=C2 WSQZNZLOZXSBHA-UHFFFAOYSA-N 0.000 description 1
- ZYUVGYBAPZYKSA-UHFFFAOYSA-N 5-(3-hydroxybutan-2-yl)-4-methylbenzene-1,3-diol Chemical compound CC(O)C(C)C1=CC(O)=CC(O)=C1C ZYUVGYBAPZYKSA-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 235000019437 butane-1,3-diol Nutrition 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003484 crystal nucleating agent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 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
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- IMHDGJOMLMDPJN-UHFFFAOYSA-N dihydroxybiphenyl Natural products OC1=CC=CC=C1C1=CC=CC=C1O IMHDGJOMLMDPJN-UHFFFAOYSA-N 0.000 description 1
- BGRWYRAHAFMIBJ-UHFFFAOYSA-N diisopropylcarbodiimide Natural products CC(C)NC(=O)NC(C)C BGRWYRAHAFMIBJ-UHFFFAOYSA-N 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- ZMCAZPFMRNNEPX-UHFFFAOYSA-N n'-(9-octyloctadecan-9-yl)methanediimine Chemical compound CCCCCCCCCC(CCCCCCCC)(CCCCCCCC)N=C=N ZMCAZPFMRNNEPX-UHFFFAOYSA-N 0.000 description 1
- CMESPBFFDMPSIY-UHFFFAOYSA-N n,n'-diphenylmethanediimine Chemical compound C1=CC=CC=C1N=C=NC1=CC=CC=C1 CMESPBFFDMPSIY-UHFFFAOYSA-N 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- GJVFBWCTGUSGDD-UHFFFAOYSA-L pentamethonium bromide Chemical compound [Br-].[Br-].C[N+](C)(C)CCCCC[N+](C)(C)C GJVFBWCTGUSGDD-UHFFFAOYSA-L 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
Definitions
- the present invention relates to a polybutylene terephthalate resin composition and a molded product having high strength and excellent heat shock resistance.
- Polybutylene terephthalate resin is excellent in mechanical properties, electrical properties, other physical and chemical properties, and has good processability, so it can be used as an engineering plastic for a wide range of applications such as automotive parts and electrical / electronic components. in use.
- heat resistance and strength can be improved by blending a fibrous filler such as glass fiber, it is often used by being reinforced with a fibrous filler.
- Japanese Patent Application Laid-Open No. 3-285945 discloses that heat shock resistance is improved by adding an elastomer such as ethylene alkyl acrylate to polybutylene terephthalate.
- an elastomer such as ethylene alkyl acrylate
- polybutylene terephthalate discloses that an improvement effect is recognized as compared with the additive-free one, the heat shock resistance is not sufficient, and the hot water resistance is not sufficient.
- JP-A-60-210659 discloses that hot water resistance is improved by adding an elastomer such as ethylene alkyl acrylate and carbodiimide to polybutylene terephthalate. However, although this composition improves hot water resistance, the heat shock resistance is not sufficient.
- an elastomer such as ethylene alkyl acrylate and carbodiimide
- the present invention has been devised in view of the above-described problems of the prior art, has no performance of swelling and exudation of an elastomer component with an organic solvent such as fuel, and has high performance such as high durability in a cold cycle environment.
- Another object of the present invention is to provide a polybutylene terephthalate resin composition and a molded product that are also excellent in hydrolysis resistance.
- the present inventors mainly have a polybutylene terephthalate resin having a terminal carboxyl group amount of 30 meq / kg or less, and a specific amount thereof.
- the composition in which the carbodiimide compound and the fibrous filler were used in combination was found to be extremely excellent in heat shock resistance and hydrolysis resistance without significant reduction in mechanical properties and organic solvent resistance, The present invention has been completed.
- the present invention (A) with respect to 100 parts by weight of polybutylene terephthalate resin having a terminal carboxyl group amount of 30 meq / kg or less, (B) Carbodiimide compound; (A) When the amount of terminal carboxyl group of polybutylene terephthalate resin is 1, the amount of carbodiimide functional group is 0.3 to 1.5 equivalents (C) Fibrous filler: a polybutylene terephthalate resin composition containing 20 to 100 parts by weight, and a molded product obtained by molding such a resin composition, particularly an insert molded product.
- the present invention also provides: (A) 100 parts by weight of a polybutylene terephthalate resin having a terminal carboxyl group amount of 30 meq / kg or less, (B) a carbodiimide compound; (A) when the amount of the terminal carboxyl group of the polybutylene terephthalate resin is 1, an amount such that the amount of the carbodiimide functional group is 0.3 to 1.5 equivalents; (C) A fibrous filler; a polybutylene terephthalate resin composition containing 20 to 100 parts by weight.
- the present invention provides: (A) with respect to 100 parts by weight of polybutylene terephthalate resin having a terminal carboxyl group amount of 30 meq / kg or less, (B) Carbodiimide compound; (A) When the amount of terminal carboxyl group of polybutylene terephthalate resin is 1, the amount of carbodiimide functional group is 0.3 to 1.5 equivalents (C) A method for producing the polybutylene terephthalate resin composition, comprising blending 20 to 100 parts by weight of a fibrous filler.
- the present invention is a method for producing a molded product or insert molded product of the polybutylene terephthalate resin composition having a tensile strength according to ISO 527 of 120 MPa or more, comprising injection molding of the polybutylene terephthalate resin composition. is there. Furthermore, this invention is a use as a component exposed to the organic solvent of the said polybutylene terephthalate resin composition whose tensile strength by ISO527 is 120 MPa or more, or its vapor
- the polybutylene terephthalate resin composition excellent in performance such as high durability in a thermal cycle environment, and hydrolysis resistance is provided. Since the polybutylene terephthalate resin composition of the present invention does not contain an elastomer component, the elastomer component does not swell or ooze out even when exposed to the vapor of an organic solvent such as fuel (gasoline, light oil, etc.). It is useful as an insert-molded product for use (evaporation purge valve, etc.). Detailed Description of the Invention
- polybutylene terephthalate resin which is the base resin of the resin composition of the present invention, is a dicarboxylic acid component containing at least terephthalic acid or an ester-forming derivative thereof (such as a lower alcohol ester), and an alkylene glycol having at least 4 carbon atoms.
- the polybutylene terephthalate resin is not limited to a homopolybutylene terephthalate resin, but may be a copolymer containing 60 mol% or more (particularly about 75 to 95 mol%) of a butylene terephthalate unit.
- a pulverized sample of polybutylene terephthalate is dissolved in benzyl alcohol at 215 ° C. for 10 minutes and then titrated with a 0.01N sodium hydroxide aqueous solution, and the amount of terminal carboxyl groups measured is 30 meq / kg or less, preferably 25 meq / kg or less of polybutylene terephthalate resin is used.
- the lower limit of the amount of terminal carboxyl groups is not particularly limited, but generally less than 5 meq / kg is difficult to produce, and if less than 5 meq / kg, the reaction with the carbodiimide compound does not proceed sufficiently, and resistance There is a possibility that the effect of improving the heat shock property is insufficient. Accordingly, the amount of terminal carboxyl groups of the polybutylene terephthalate resin is preferably 5 meq / kg or more, particularly preferably 10 meq / kg or more.
- the intrinsic viscosity (IV) of the (A) polybutylene terephthalate resin to be used is 0.67 to 0.90 dL / g. If the intrinsic viscosity exceeds 0.90 dL / g, the fluidity at the time of molding required for the insert molded product may not be obtained.
- polybutylene terephthalate resins having different intrinsic viscosities for example, by blending polybutylene terephthalate resins with intrinsic viscosities of 1.00 dL / g and 0.70 dL / g, an intrinsic viscosity of 0.90 dL / g or less is achieved. Also good.
- the intrinsic viscosity can be measured, for example, in o-chlorophenol at a temperature of 35 ° C.
- dicarboxylic acid components other than terephthalic acid and its ester-forming derivatives
- aromatic dicarboxylic acid components isophthalic acid, phthalic acid, naphthalenedicarboxylic acid, diphenyl ether dicarboxylic acid, etc. 6 to C 12 aryl dicarboxylic acids
- aliphatic dicarboxylic acid components C 4 -C 16 alkyl dicarboxylic acids such as succinic acid, adipic acid, azelaic acid, sebacic acid, and C 5 -C 10 cycloalkyl such as cyclohexane dicarboxylic acid
- dicarboxylic acids can be used alone or in combination of two or more.
- Preferred dicarboxylic acid components include aromatic dicarboxylic acid components (particularly C 6 -C 10 aryl dicarboxylic acids such as isophthalic acid), aliphatic dicarboxylic acid components (particularly C such as adipic acid, azelaic acid, sebacic acid, etc.) 6 ⁇ C 12 alkyl dicarboxylic acids) are included.
- glycol components (comonomer components) other than 1,4-butanediol include, for example, aliphatic diol components [for example, alkylene glycol (ethylene glycol, propylene glycol, trimethylene glycol, 1,3-butylene glycol, hexamethylene glycol, neopentyl glycol, 1,3 - C 2 ⁇ C 10 alkylene glycols such as octanediol, diethylene glycol, triethylene glycol, polyoxy C 2 ⁇ C 4 alkylene glycol such as dipropylene glycol), cyclohexane dimethanol, hydrogenated bisphenol a alicyclic diols, etc.], such as an aromatic diol component [bisphenol a, 4,4-aromatic, such as dihydroxybiphenyl alcohols, C 2 ⁇ C 4 alkylene oxide adduct of bisphenol a (e.g., Ethylene oxide 2 mol adduct of scan phenol A, prop
- Preferred glycol components include aliphatic diol components (especially polyoxy C 2 -C 3 alkylene glycols such as C 2 -C 6 alkylene glycol, diethylene glycol, and alicyclic diols such as cyclohexane dimethanol). .
- any of the polybutylene terephthalate polymers produced by polycondensation using the above compounds as monomer components can be used as the (A) soot component of the present invention.
- a combined use of homopolybutylene terephthalate polymer and polybutylene terephthalate copolymer is also useful.
- the (B) carbodiimide compound used in the present invention is a compound having a carbodiimide group (—N ⁇ C ⁇ N—) in the molecule.
- the carbodiimide compound any of an aliphatic carbodiimide compound having an aliphatic main chain, an alicyclic carbodiimide compound having an alicyclic main chain, and an aromatic carbodiimide compound having an aromatic main chain can be used. In view of the above, it is preferable to use an aromatic carbodiimide compound.
- Examples of the aliphatic carbodiimide compound include diisopropyl carbodiimide and dioctyl decyl carbodiimide, and examples of the alicyclic carbodiimide compound include dicyclohexyl carbodiimide.
- Aromatic carbodiimide compounds include diphenylcarbodiimide, di-2,6-dimethylphenylcarbodiimide, N-triyl-N′-phenylcarbodiimide, di-p-nitrophenylcarbodiimide, di-p-aminophenylcarbodiimide, di-p- Hydroxyphenylcarbodiimide, di-p-chlorophenylcarbodiimide, di-p-methoxyphenylcarbodiimide, di-3,4-dichlorophenylcarbodiimide, di-2,5-dichlorophenylcarbodiimide, di-o-chlorophenylcarbodiimide, p-phenylene-bis-di-o-triylcarbodiimide, p-phenylene-bis-dicyclohexylcarbodiimide, p-phenylene-bis-di-p-chlorophenylcarbodiimide,
- di-2,6-dimethylphenylcarbodiimide poly (4,4'-diphenylmethanecarbodiimide), poly (phenylenecarbodiimide) and poly (triisopropylphenylenecarbodiimide) are particularly preferably used.
- a carbodiimide compound (B) having a molecular weight of 2000 or more it is preferable to use a carbodiimide compound (B) having a molecular weight of 2000 or more.
- the molecular weight is less than 2000, gas or odor may be generated when the residence time is long during melt kneading or molding.
- the blending amount of the (B) carbodiimide compound is such that when the terminal carboxyl group amount of the (A) polybutylene terephthalate resin is 1, the carbodiimide functional group amount is 0.3 to 1.5 equivalents.
- component (B) If the amount of component (B) is too small, the effect of improving heat shock resistance, which is the object of the present invention, cannot be obtained. If the amount is too high, fluidity is reduced, gel components and carbides are easily generated during compounding and molding, mechanical properties such as tensile strength and bending strength are reduced, and sudden strength reduction occurs under humid heat. . This is because the adhesion between the polybutylene terephthalate resin and the fibrous filler is hindered by the component (B).
- a preferred blending amount is such that the carbodiimide functional group amount is 0.5 to 1.5 equivalents, and more preferably 0.8 to 1.2 equivalents.
- Examples of the (C) fibrous filler used in the present invention include glass fiber, carbon fiber, potassium titanate fiber, silica / alumina fiber, zirconia fiber, metal fiber, and organic fiber, with glass fiber being preferred.
- any known glass fiber is preferably used, and the glass fiber diameter, the shape of a cylinder, a bowl-shaped cross section, an oval cross section, etc., or the length and glass cut when used for the production of chopped strands, rovings, etc. It does not depend on the method.
- E glass or corrosion resistant glass containing zirconium element in the composition is preferably used in terms of quality.
- a fibrous filler surface-treated with an organic treating agent such as an aminosilane compound or an epoxy compound is particularly preferably used, and the heating loss value is used.
- the glass fiber whose organic processing agent amount shown by is 1 weight% or more is used especially preferably. Any known aminosilane compound or epoxy compound used for the fibrous filler can be preferably used, and depends on the type of aminosilane compound and epoxy compound used for the surface treatment of the fibrous filler in the present invention. do not do.
- the fibrous filler is used in an amount of 20 to 100 parts by weight with respect to 100 parts by weight of (A) polybutylene terephthalate resin. If it is less than this range, the linear expansion change accompanying the cooling and heating cycle is large, which is not preferable in terms of heat shock resistance. When it exceeds this range, the allowable strain amount of the material is lowered, which is not preferable in terms of heat shock resistance.
- the amount is preferably 20 to 80 parts by weight, particularly preferably 30 to 60 parts by weight.
- non-fibrous filler that does not form a fibrous form such as component (C), that is, a plate-like or granular inorganic filler or a mixture thereof may be used in combination.
- Non-fibrous fillers include glass flakes, glass beads, mica, talc, carbon black, calcium carbonate and the like.
- thermoplastic resins and thermosetting resins that is, antioxidants, heat stabilizers, ultraviolet absorbers, etc.
- Stabilizers, antistatic agents, colorants such as dyes and pigments, lubricants, plasticizers and crystallization accelerators, crystal nucleating agents, epoxy compounds, and the like may be added as long as the effects of the present invention are not impaired.
- antistatic agents, colorants, lubricants, and plasticizers often contain carboxyl groups, hydroxyl groups, and amino groups, but they may react with carbodiimide groups, so those that do not contain such functional groups as much as possible. desirable.
- any mold release agent is preferably used, and examples thereof include olefin polymers, fatty acid amide compounds, fatty acid ester compounds, and the like.
- the olefin polymer which is estimated to have low reactivity with a carbodiimide compound, has a hydroxyl value of 100 or less as measured by the Oil Chemistry Association method 2,4,9,2-71 (pyridine / acetic anhydride method).
- Fatty acid ester compounds are used. It is preferable not to use an additive containing a carboxyl group, a hydroxyl group or an amino group.
- the resin composition used in the present invention can be easily prepared using equipment and methods generally used as a conventional resin composition preparation method. For example, 1) a method in which each component is mixed, kneaded and extruded by a single or twin screw extruder to prepare pellets, and then molded, and 2) once pellets having different compositions are prepared, and the pellets are placed in place. Any method can be used, such as a method of quantitatively mixing and subjecting to molding to obtain a molded product of the desired composition after molding, or 3) a method of directly charging one or more of each component into a molding machine. Further, a method of adding a part of the resin component as a fine powder and mixing it with other components is a preferable method for achieving uniform blending of these components.
- the extruder cylinder temperature When kneading into pellets by an extruder, it is preferable to set the extruder cylinder temperature so that the resin temperature in the extruder is 240 to 300 ° C. More preferably, it is 250 to 270 ° C.
- the temperature is lower than 240 ° C., the reaction between polybutylene terephthalate and carbodiimide is insufficient, hydrolysis resistance and heat shock resistance are insufficient, or the filler is broken due to high melt viscosity. Physical properties may not be obtained.
- it exceeds 300 ° C. the resin is likely to be decomposed, and the hydrolysis resistance and heat shock resistance may be insufficient.
- the extruder cylinder temperature is preferably set so that the resin temperature in the molding machine is 240 to 300 ° C. More preferably, it is 250 to 270 ° C. Outside this range, the physical properties may be insufficient as described above.
- the mold temperature at the time of injection molding is preferably in the range of 40 to 100 ° C., more preferably 60 to 90 ° C. If the temperature is lower than 40 ° C., post-shrinkage occurs and distortion occurs, and the target shape may not be obtained, or heat shock resistance may be insufficient. When it exceeds 100 ° C., a long time is required for the molding cycle, and mass productivity is reduced.
- the (B) carbodiimide compound can be blended as a master batch using a resin as a matrix, and it is often easy to use the master batch from the viewpoint of actual handling.
- a masterbatch made of polybutylene terephthalate resin is preferably used, but a masterbatch prepared with another resin may be used. What is necessary is just to adjust so that it may become in the range of a predetermined compounding quantity in the case of the masterbatch by polybutylene terephthalate resin.
- the master batch may be charged in advance at the time of melt-kneading to form uniform pellets.
- a pellet blend product in which components other than the carbodiimide compound are preliminarily formed into uniform pellets by melt kneading and the like, and a master batch pellet of the carbodiimide compound is dry blended at the time of molding may be used for molding.
- the resin composition of the present invention can have a melt viscosity of 300 Pa ⁇ s or less at a temperature of 260 ° C. and a shear rate of 1000 sec ⁇ 1 in accordance with ISO11443. Further, it can be set to 250 Pa ⁇ s or less. If the melt viscosity is not less than 300 Pa ⁇ s, the fluidity is insufficient and the mold may not be filled with resin.
- the resin composition of the present invention it is possible to achieve a tensile strength of 120 MPa or more, particularly 130 MPa or more according to ISO 527.
- the polybutylene terephthalate resin composition of the present invention is particularly useful for insert injection molded products used for applications exposed to organic solvents and their vapors.
- Example 1 Comparative Examples 1 to 6
- Table 1 The components shown in Table 1 were weighed and then dry blended, and melt-kneaded using a 30 mm ⁇ twin screw extruder (TEX-30 manufactured by Nippon Steel Works) (cylinder temperature 260 ° C., discharge rate 15 kg / h, Screw rotation speed 150rpm). Subsequently, each test piece was created from this pellet and various physical properties were measured.
- Example 7 the pellets obtained by pre-melting and kneading A-1 and C-1 were blended with the B-5 master batch pellet, and then the pellet blend product was injection molded for various evaluations. A specimen was obtained. The results are shown in Tables 1 and 2.
- the composition of the present example in which a polybutylene terephthalate resin having a terminal carboxyl group amount of 30 meq / kg or less and a specific amount of a carbodiimide compound is combined has a high heat shock resistance improving effect.
- Examples 1 to 4 and 7 using an aromatic carbodiimide compound show high values of tensile strength retention after 100 hours of pressure cooker.
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Abstract
Description
背景技術
発明の概要
(A)末端カルボキシル基量が30meq/kg以下であるポリブチレンテレフタレート樹脂100重量部に対し、
(B)カルボジイミド化合物;(A)ポリブチレンテレフタレート樹脂の末端カルボキシル基量を1とした場合、カルボジイミド官能基量が0.3~1.5当量となる量
(C)繊維状充填剤;20~100重量部
を配合してなるポリブチレンテレフタレート樹脂組成物、およびかかる樹脂組成物を成形してなる成形品、特にインサート成形品である。
また、本発明は、
(A)末端カルボキシル基量が30meq/kg以下であるポリブチレンテレフタレート樹脂100重量部、
(B)カルボジイミド化合物;(A)ポリブチレンテレフタレート樹脂の末端カルボキシル基量を1とした場合、カルボジイミド官能基量が0.3~1.5当量となる量および
(C)繊維状充填剤;20~100重量部
を含むポリブチレンテレフタレート樹脂組成物である。
さらに、本発明は、
(A)末端カルボキシル基量が30meq/kg以下であるポリブチレンテレフタレート樹脂100重量部に対し、
(B)カルボジイミド化合物;(A)ポリブチレンテレフタレート樹脂の末端カルボキシル基量を1とした場合、カルボジイミド官能基量が0.3~1.5当量となる量
(C)繊維状充填剤;20~100重量部
を配合することを含む上記ポリブチレンテレフタレート樹脂組成物を製造する方法である。
さらに、本発明は、上記ポリブチレンテレフタレート樹脂組成物を射出成型することを含む、ISO527による引張り強さが120MPa以上である上記ポリブチレンテレフタレート樹脂組成物の成形品またはインサート成形品を製造する方法である。
さらに、本発明は、ISO527による引張り強さが120MPa以上である上記ポリブチレンテレフタレート樹脂組成物の有機溶剤又はその蒸気に曝される部品としての用途である。
発明の詳細な説明
特に、帯電防止剤や着色剤、滑剤、可塑剤はカルボキシル基や水酸基、アミノ基を含む場合が多いが、カルボジイミド基と反応する可能性があるため、なるべくこのような官能基を含まないものが望ましい。
本発明において、成形性向上のため、離型剤を添加することも可能である。いずれの離型剤も好ましく用いられるが、例えば、オレフィン系重合体、脂肪酸アミド化合物、脂肪酸エステル化合物などが挙げられる。特に好ましくは、カルボジイミド化合物との反応性が低いと推定されるオレフィン系重合体、油化学協会法2,4,9,2-71(ピリジン・無水酢酸法)により測定される水酸基価100以下の脂肪酸エステル化合物が用いられる。
カルボキシル基、水酸基またはアミノ基を含む添加剤は用いないことが好ましい。
押出機により練り込みペレット化する場合、押出機中での樹脂温度が240~300℃となるように押出機シリンダー温度を設定することが好ましい。さらに好ましくは250~270℃である。240℃より低い場合は、ポリブチレンテレフタレートとカルボジイミドの反応が不十分で耐加水分解性、耐ヒートショック性が不足したり、溶融物の粘度が高いため繊維状充填剤が折れてしまい必要な機械物性が得られないおそれがある。300℃を超える場合は樹脂の分解が生じやすくなり、耐加水分解性、耐ヒートショック性が不足するおそれがある。
成形する場合も同様に、成形機中の樹脂温度が240~300℃となるように押出機シリンダー温度を設定することが好ましい。さらに好ましくは250~270℃である。この範囲外だと上記同様、諸物性の不足するおそれがある。また、射出成形時の金型温度は、好ましくは40~100℃、さらに好ましくは60~90℃の範囲である。40℃より低いと後収縮が発生し歪が生じて目的の形状が得られなかったり、耐ヒートショック性が不足するおそれがある。100℃を超える場合は成形サイクルに長時間を要し、量産性が低下してしまう。
実施例
実施例1~10、比較例1~6
表1に示す成分を秤量後ドライブレンドし、30mmφ2軸押出機((株)日本製鋼所製TEX-30)を用いて溶融混練しペレットを作成した(シリンダー温度260℃、吐出量15kg/h、スクリュー回転数150rpm)。次いで、このペレットから各試験片を作成し、各種物性を測定した。尚、実施例7においては、A-1とC-1を予め溶融混練して得たペレットに、B-5マスターバッチペレットを加えブレンドした後、ペレットブレンド品を射出成形して各種評価用の試験片を得た。結果をあわせて表1、2に示す。
(A) ポリブチレンテレフタレート樹脂
・(A-1) ウィンテックポリマー(株)製、固有粘度0.69、末端カルボキシル基量24meq/kg
・(A-2) ウィンテックポリマー(株)製、固有粘度0.70、末端カルボキシル基量44meq/kg
(B) カルボジイミド化合物
・(B-1) 芳香族カルボジイミド化合物;ラインケミージャパン(株)製、スタバックゾールP
・(B-2) 芳香族カルボジイミド化合物;ラインケミージャパン(株)製、スタバックゾールP100
・(B-3) 脂肪族カルボジイミド化合物;日清紡績(株)製、カルボジライトHMV8CA
・(B-4) 脂肪族カルボジイミド化合物;日清紡績(株)製、カルボジライトLA-1
・(B-5) 芳香族カルボジイミド化合物のポリブチレンテレフタレートマスターバッチ;ラインケミージャパン(株)製、スタバックゾールKE9193
・(B-6) 芳香族カルボジイミド化合物;ラインケミージャパン(株)製、スタバックゾールP400
(C) ガラス繊維
・(C-1) 日本電気硝子(株)製、ECS03-T127
(D) エラストマー成分
・(D-1) エチレンエチルアクリレート;三井・デュポンポリケミカル(株)製、エバフレックスEEA A713
(E) 離型剤
・(E-1) 脂肪族エステル;クラリアント(株)製、リコワックスE、水酸基価20以下
・(E-2) 脂肪族エステル;理研ビタミン(株)製、リケマールHT-10、水酸基価120~160
[溶融粘度特性]
ISO11443に準拠しシリンダー温度260℃、剪断速度1000sec-1で測定した。
[耐ヒートショック性]
ペレットを用いて、樹脂温度260℃、金型温度65℃、射出時間25秒、冷却時間10秒で、試験片成形用金型(縦22mm、横22mm、高さ51mmの角柱内部に縦18mm、横18mm、高さ30mmの鉄芯をインサートする金型)に、一部の樹脂部の最小肉厚が1mmとなるようにインサート射出成形し、インサート成形品を製造した。得られたインサート成形品について、冷熱衝撃試験機を用いて140℃にて1時間30分加熱後、-40℃に降温して1時間30分冷却後、さらに140℃に昇温する過程を1サイクルとする耐ヒートショック試験を行い、成形品にクラックが入るまでのサイクル数を測定し、耐ヒートショック性を評価した。
[プレッシャークッカーテスト]
ペレットを用いて、樹脂温度260℃、金型温度80℃、射出時間15秒、冷却時間15秒で、ISO3167引張り試験片を射出成形し、ISO527により引張り強さを測定した。次いで、引張り試験片をプレッシャークッカー試験機で121℃、100%RH条件で50hrおよび100hr暴露する。暴露前後の引張り強さから引張り強さ保持率を計算した。
上記ISO引張り試験片(実施例1、比較例2及び比較例4)を用いて、80℃×1000hrの条件で燃料に浸漬させ、その時の厚みの寸法変化率を測定した。尚、燃料はレギュラーガソリン、軽油、灯油を使用した。
Claims (9)
- (A)末端カルボキシル基量が30meq/kg以下であるポリブチレンテレフタレート樹脂100重量部に対し、
(B)カルボジイミド化合物;(A)ポリブチレンテレフタレート樹脂の末端カルボキシル基量を1とした場合、カルボジイミド官能基量が0.3~1.5当量となる量
(C)繊維状充填剤;20~100重量部
を配合してなるポリブチレンテレフタレート樹脂組成物。 - (B)カルボジイミド化合物の分子量が2000以上である請求項1記載のポリブチレンテレフタレート樹脂組成物。
- (B)カルボジイミド化合物が芳香族カルボジイミド化合物である請求項1又は2記載のポリブチレンテレフタレート樹脂組成物。
- (A)ポリブチレンテレフタレート樹脂の固有粘度が0.67~0.90dL/gである請求項1~3の何れか1項記載のポリブチレンテレフタレート樹脂組成物。
- ISO527による引張り強さが120MPa以上である請求項1~4の何れか1項記載のポリブチレンテレフタレート樹脂組成物からなる成形品。
- ISO527による引張り強さが120MPa以上である請求項1~4の何れか1項記載のポリブチレンテレフタレート樹脂組成物を樹脂材料とし、有機溶剤又はその蒸気に曝される用途に用いられるインサート射出成形品。
- (A)末端カルボキシル基量が30meq/kg以下であるポリブチレンテレフタレート樹脂100重量部に対し、
(B)カルボジイミド化合物;(A)ポリブチレンテレフタレート樹脂の末端カルボキシル基量を1とした場合、カルボジイミド官能基量が0.3~1.5当量となる量
(C)繊維状充填剤;20~100重量部
を配合することを含む請求項1~4の何れか1項記載のポリブチレンテレフタレート樹脂組成物を製造する方法。 - 請求項1~4の何れか1項記載のポリブチレンテレフタレート樹脂組成物を射出成型することを含む請求項5記載の成形品を製造する方法。
- ISO527による引張り強さが120MPa以上である請求項1~4の何れか1項記載のポリブチレンテレフタレート樹脂組成物の有機溶剤又はその蒸気に曝される部品としての用途。
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US12/996,450 US9884953B2 (en) | 2008-06-11 | 2009-06-10 | Polybutylene terephthalate resin composition and molded article thereof |
CN2009801217465A CN102056987A (zh) | 2008-06-11 | 2009-06-10 | 聚对苯二甲酸丁二醇酯树脂组合物及成型品 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2325258A1 (en) * | 2008-08-12 | 2011-05-25 | Wintech Polymer Ltd. | Polybutylene terephthalate resin mixture and film |
WO2013179726A1 (ja) | 2012-05-31 | 2013-12-05 | ウィンテックポリマー株式会社 | ポリブチレンテレフタレート樹脂組成物、及び耐加水分解性向上剤 |
WO2017038864A1 (ja) * | 2015-09-03 | 2017-03-09 | ウィンテックポリマー株式会社 | ポリブチレンテレフタレート樹脂組成物 |
WO2021065094A1 (ja) | 2019-09-30 | 2021-04-08 | ポリプラスチックス株式会社 | ポリブチレンテレフタレート樹脂組成物 |
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JP5788790B2 (ja) * | 2009-04-20 | 2015-10-07 | ウィンテックポリマー株式会社 | 溶着用ポリブチレンテレフタレート樹脂組成物及び複合成形品 |
JP5772445B2 (ja) * | 2011-09-26 | 2015-09-02 | 東洋紡株式会社 | 無機強化ポリエステル樹脂組成物及びそれからなる成形品 |
JP6160786B1 (ja) * | 2015-10-30 | 2017-07-12 | 東レ株式会社 | 末端変性ポリブチレンテレフタレート樹脂、それを含む熱可塑性樹脂組成物、および成形品 |
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EP4326816A4 (en) | 2021-04-20 | 2025-03-12 | Celanese Int Corp | POLYMER COMPOSITION HAVING MOLD RELEASE PROPERTIES |
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WO2021065094A1 (ja) | 2019-09-30 | 2021-04-08 | ポリプラスチックス株式会社 | ポリブチレンテレフタレート樹脂組成物 |
Also Published As
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JPWO2009150830A1 (ja) | 2011-11-10 |
US9884953B2 (en) | 2018-02-06 |
CN104830033B (zh) | 2018-07-24 |
CN102056987A (zh) | 2011-05-11 |
CN104830033A (zh) | 2015-08-12 |
US20110092626A1 (en) | 2011-04-21 |
JP5670188B2 (ja) | 2015-02-18 |
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