WO2004069929A1 - ポリエステル系熱可塑性樹脂組成物及び成形品 - Google Patents
ポリエステル系熱可塑性樹脂組成物及び成形品 Download PDFInfo
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- WO2004069929A1 WO2004069929A1 PCT/JP2004/001183 JP2004001183W WO2004069929A1 WO 2004069929 A1 WO2004069929 A1 WO 2004069929A1 JP 2004001183 W JP2004001183 W JP 2004001183W WO 2004069929 A1 WO2004069929 A1 WO 2004069929A1
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- polyester
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- thermoplastic resin
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- JRPRCOLKIYRSNH-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) benzene-1,2-dicarboxylate Chemical compound C=1C=CC=C(C(=O)OCC2OC2)C=1C(=O)OCC1CO1 JRPRCOLKIYRSNH-UHFFFAOYSA-N 0.000 description 1
- 238000012661 block copolymerization Methods 0.000 description 1
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 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
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- VPKDCDLSJZCGKE-UHFFFAOYSA-N carbodiimide group Chemical group N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- PMMYEEVYMWASQN-IMJSIDKUSA-N cis-4-Hydroxy-L-proline Chemical compound O[C@@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-IMJSIDKUSA-N 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000004132 cross linking 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
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- 235000019414 erythritol Nutrition 0.000 description 1
- 229940009714 erythritol Drugs 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- WUDNUHPRLBTKOJ-UHFFFAOYSA-N ethyl isocyanate Chemical compound CCN=C=O WUDNUHPRLBTKOJ-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 150000005677 organic carbonates Chemical class 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- LGOPTUPXVVNJFH-UHFFFAOYSA-N pentadecanethioic s-acid Chemical compound CCCCCCCCCCCCCCC(O)=S LGOPTUPXVVNJFH-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- YLLIGHVCTUPGEH-UHFFFAOYSA-M potassium;ethanol;hydroxide Chemical compound [OH-].[K+].CCO YLLIGHVCTUPGEH-UHFFFAOYSA-M 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229960000380 propiolactone Drugs 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- YKIBJOMJPMLJTB-UHFFFAOYSA-M sodium;octacosanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCCCCCCCCCCCC([O-])=O YKIBJOMJPMLJTB-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- LVEOKSIILWWVEO-UHFFFAOYSA-N tetradecyl 3-(3-oxo-3-tetradecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCC LVEOKSIILWWVEO-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 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
-
- 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
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- 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
- C08K5/13—Phenols; Phenolates
-
- 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
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1515—Three-membered rings
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
Definitions
- Polyester-based thermoplastic resin composition and molded article Polyester-based thermoplastic resin composition and molded article
- the present invention relates to an aromatic polyester block copolymer resin molded article having excellent hydrolysis resistance, heat resistance, and yellowing resistance, and a polyester thermoplastic resin used therefor.
- Polyester blog ⁇ polymers obtained by block copolymerization of lactones with aromatic polyesters have excellent rubber properties, heat resistance and weather resistance. However, retention of tensile elongation at break when exposed to high temperatures for a long time (heat resistance) and retention of tensile elongation at break after exposure to high humidity for a long time (moisture resistance) are not sufficient. When exposed to low temperature or high humidity for a long period of time, the tensile elongation at break decreases significantly.
- a method for solving such a problem of the polyester-based thermoplastic resin a method of adding a polycarboimide having a molecular weight of 500 or more (Japanese Patent Laid-Open No. 50-160362) is disclosed.
- a polyester block copolymer obtained by reacting polyethylene terephthalate and a lactone 100 parts by weight of a polyester block copolymer obtained by reacting polyethylene terephthalate and a lactone are: (a) a metal salt of an organic carboxylic acid; 0.05 to 5 parts by weight, (b) 0.05 to 5 parts by weight of an epoxy compound containing at least three functional epoxy compounds, (c) 0.05 to 10 parts by weight of a polyester-based thermoplastic resin
- a resin composition is disclosed, there is a problem that the flexibility is poor and the use as an elastomer is limited.
- JP-A-5-302022 (Claim 1, Paragraphs 0023, 0025, 028) discloses a method in which a crystalline aromatic polyester is reacted with 5 to 80% by weight of a lactone based on the total copolymer.
- a polyester copolymer composition comprising a polyester block copolymer, 0.01 to 20 parts by weight of an epoxy compound having one or more functional groups, and 0.001 to 1 part by weight of a carbodiimide-modified isocyanate compound is disclosed.
- the flowability is poor and the processability is poor due to an increase in the number of crosslinking points due to the combined use of the carpoimide-modified isocyanate compound and the epoxy compound. Disclosure of the invention
- An object of the present invention is to significantly improve the hydrolysis resistance, heat resistance, and yellowing resistance of an aromatic polyester block copolymer-based resin molded product.
- an aromatic polyester block copolymer having a low terminal lipoxyl group concentration can be blended with a polycarpoimide compound and an epoxy compound. Is effective in improving the hydrolysis resistance, and by using an antioxidant and a phenolic antioxidant in combination with the polyacrylamide compound and the epoxy, the yellowing resistance and heat resistance are also improved. They have found that they are excellent and have led to the present invention.
- the present invention relates to an aromatic polyester block copolymer having a low terminal lipoxyl group concentration, in which a polycarboimide compound, an epoxy compound and another specific antioxidant are used in combination. By doing so, it is intended to greatly improve the heat resistance, yellowing resistance and hydrolysis resistance, and differs from the prior art in that the means for achieving this is determined by a specific combination of compounds.
- the first aspect of the present invention is a polyester block obtained by reacting a thermoplastic aromatic polyester (a) with a lactone (b) and having a terminal lipoxyl group content of less than 5 mg-KOH / g as an acid value.
- Copolymer (A) 100 parts by weight
- Phenolic antioxidant (D) 0.01 to 0.5 parts by weight
- polyester-based thermoplastic resin composition comprising:
- a second aspect of the present invention is the polyester system according to the first aspect of the present invention, which further comprises 100 to 200 parts by weight of an aromatic polyester (F) with respect to 100 parts by weight of the polyester block copolymer (A).
- an aromatic polyester F
- a thermoplastic resin composition Provided is a thermoplastic resin composition.
- the third aspect of the present invention is the first or the second aspect of the present invention, which further comprises 0.1 to 3 parts by weight of an organic carboxylic acid metal salt (G) with respect to 100 parts by weight of the polyester block copolymer (A). 2.
- a fourth aspect of the present invention provides the polyester-based thermoplastic resin composition according to any one of the first to third aspects of the present invention, wherein the thermoplastic aromatic polyester (a) is polybutylene terephthalate.
- a fifth aspect of the present invention is a polycarboimide compound (B) obtained by using any one or more of 4,4, -methylenevillamethylxylylene diisocyanate as a main raw material component.
- a polyester thermoplastic resin composition according to any one of the first to fourth aspects of the present invention is provided.
- a sixth aspect of the present invention is that a bifunctional or more epoxy compound (C) is at least glycidyl.
- the present invention provides the polyester-based thermoplastic resin composition according to any one of the first to fifth aspects of the present invention, which comprises a polyester.
- a seventh aspect of the present invention is the first to sixth aspects of the present invention, wherein the weight ratio of the phenolic antioxidant (D) to the Zio type antioxidant (E) is 6040 to 10/90.
- the present invention provides any one of the polyester-based thermoplastic resin compositions.
- An eighth aspect of the present invention provides an aromatic polyester block copolymer-based resin molded article obtained by molding the polyester-based thermoplastic resin composition according to any one of the first to seventh aspects of the present invention.
- Polyester block copolymer (A) Polyester block copolymer (A)
- the polyester block copolymer (A) (component (A)) used in the present invention is obtained by block copolymerizing a lactone (b) with a thermoplastic aromatic polyester (a).
- the thermoplastic aromatic polyester (a) is mainly a polymer having an ester bond, mainly having a hydroxyl group at a molecular terminal, and containing a small amount of a polymer having a hydroxyl group at a molecular terminal.
- the thermoplastic aromatic polyester (a) is a polyester having a high polymerization degree and a melting point of 160 ° C. or more, preferably 180 to 260.
- the molding material preferably has a number average molecular weight (Mn) of 5,000 or more, more preferably 10,000 or more, as determined by GPC measurement (converted to standard PMMA).
- thermoplastic aromatic polyester (a) has an acid value of 0.5-7 mg-K0H / g, preferably 1.0-5 mg-K0H / g, more preferably 1.0-3.Omg-KOH / g. Things. If the acid value is smaller than the above range, the effect of adding the polycarboimide compound (B) or the epoxy compound (C) is weakened, and if it is larger than the above range, the hydrolysis resistance is deteriorated.
- the acid components constituting the thermoplastic aromatic polyester (a) are listed below.
- the acid component of the thermoplastic aromatic polyester (a) is mainly an aromatic dicarboxylic acid.
- the aromatic dicarboxylic acid include terephthalic acid, isophthalic acid, 2,6-naphthalenedicarboxylic acid, and biphenyl. Examples thereof include dicarboxylic acids and the like and esters thereof. It is preferably terephthalic acid, and may be a mixture of terephthalic acid and a small amount of isophthalic acid.
- aliphatic dicarboxylic acid having 2 to 40 carbon atoms a saturated aliphatic dicarboxylic acid is preferable, and examples thereof include succinic acid, daltaric acid, adipic acid, azelaic acid, sebacic acid, dodecanediic acid, dimer acid, and the like. Esters are mentioned. Further, as the alicyclic dicarboxylic acid, a saturated alicyclic dicarboxylic acid is preferable, and examples thereof include 1,4-cyclohexanedicarboxylic acid and the like and esters thereof.
- the acid component constituting the thermoplastic aromatic polyester (a) is mainly an aromatic dicarboxylic acid, and the sum of the aliphatic dicarboxylic acid and the alicyclic dicarboxylic acid is 0 to 40% of the total dicarboxylic acid component. Mol%, preferably 0 to 20 mol%.
- the dalicol component constituting the thermoplastic aromatic polyester (a) will be described.
- the aliphatic diol a saturated aliphatic diol is preferable.
- alicyclic diol a saturated alicyclic diol is preferable.
- aromatic diols include, for example, resorcinol, naphthylene diol, 2,2-bis (4-hydroxyphenyl) propane, and adducts of bisphenol A with alkylene oxides such as ethylene oxide and propylene oxide.
- alkylene oxides such as ethylene oxide and propylene oxide.
- the diol component constituting the thermoplastic aromatic polyester (a) is mainly an aliphatic diol, and the total of the alicyclic diol and the aromatic diol in the total diol component is 0 to 40 mol%, preferably 0 to 20 mol%. Mol%.
- butylene terephthalate unit be contained in 70 mol% or more of the constituent components of the thermoplastic aromatic polyester exemplified above.
- the lactones include ⁇ -force prolactone, methylation of 2-methyl and 4-methyl, 4,4, -dimethyl and the like ( ⁇ -force prolactone), ⁇ -valero lactone, methylation ( ⁇ - Valerolactone),] -propiolactone and the like, but in view of cost, ⁇ -force prolactone is most preferred.
- Two or more of the above-mentioned lactone components can be used in combination as the constituent components of the polyester block copolymer ( ⁇ ).
- the copolymerization ratio of the thermoplastic aromatic polyester (a) / lactones (b) is preferably 97/3 to 50/50 by weight, particularly preferably 9010 to 5545. Further, the thermoplastic aromatic polyester and the lactone can be reacted by adding a catalyst as needed and mixing by heating.
- polyester block copolymers (A) include aromatic polyesters.
- a branching component such as the following polycarboxylic acid or polyol may be added.
- the branching component include aliphatic, alicyclic or aromatic, such as tricarboxylic acid (propanetricarboxylic acid), butanetetracarboxylic acid, hydrogenated trimellitic acid, trimellicinic acid, trimellitic acid, and pyromellitic acid.
- a polyol having a trifunctional or tetrafunctional ester-forming ability such as glycerin, trimethylolpropane or Penri-Erislit, and It may be copolymerized in an amount of up to 0.0 mol%, preferably up to 0.5 mol%, more preferably up to 0.3 mol%.
- polyester block copolymers (A) may be used alone or as a mixture of two or more.
- the polyester block copolymer (A) used in the present invention has a terminal carboxyl group concentration of 5 mg-KOH / g or less, preferably 3 mg-KOH / g or less.
- a significant improvement in hydrolysis resistance which is one of the main effects of the present invention, cannot be achieved.
- the polyester block copolymer (A) has a flexural modulus of 10 to 1300 MPa, preferably 50 to 1000 MPa, more preferably 50 to 70 OMPa.
- the polyester block copolymer (A) used in the present invention preferably has a number average molecular weight of 5,000 or more, more preferably 10,000 or more, as measured by GPC (in terms of PMMA). If the molecular weight is lower than this, it is difficult to use as a molding material, and the application of the present invention has little significance.
- the polycarboimide compound is a compound having at least two carbodiimide bonds in a molecule. Obtains particularly good hydrolysis resistance For this reason, it is preferable that the polycarboimide compound has an average degree of polymerization of 2 to 30. If the average degree of polymerization is less than 2, problems such as bleed-out tend to occur, and if the average degree of polymerization exceeds 30, problems such as dispersibility during kneading occur, which is not preferable.
- polycarboimide compound a polycarboimide obtained by reacting an aromatic diisocyanate compound, an alicyclic diisocyanate compound, or a diisocyanate compound which is an aliphatic diisocyanate compound is preferable.
- diisocyanate compound examples include 1,3,5-isopropyl-2,4-diisocyanatebenzene, naphthalene-1,5-diisocyanate, and 2,4-diisocyanato-3,5-getyl.
- One or more diisocyanate compounds can be used. Above all,
- 4,4'-Methylenebis (cyclohexyl isocyanate), isophorone diisocyanate, and tetramethylxylylene diisocyanate are preferred.
- Particularly preferred is a polycarbodiimide compound containing one or more of 4,4'-methylenebis (cyclohexyl isocyanate), isophorone diisocyanate, and tetramethylxylylene diisocyanate as a main raw material. It is a polyphenolimide compound obtained by the reaction.
- the polycarboimide compound may be one whose terminal is capped with a primary or secondary amine, sulfonic acid, an acid anhydride or monoisocyanate.
- Monoy Examples of the socyanates include n-butyl isocyanate, tert-butyl isocyanate, iso-butyl isocyanate, ethyl isocyanate, n-butyl pyrisocyanate, cyclohexyl isocyanate, and n-butyl isocyanate.
- An example is quinyl decyl isocyanate. These may be used alone or in combination of two or more.
- the bifunctional or higher functional epoxy compound (C) (component (C)) used in the present invention may be used singly or in combination of two or more.
- At least one of the bifunctional or higher-functional epoxy compounds (C) is of the glycidyl ester type, such as diglycidyl ester of phthalic acid, diglycidyl ester of methyltetrahydrophthalic acid, diglycidyl ester of terephthalic acid, or di- or trimellitic acid.
- triglycidyl ester and diglycidyl dimer acid may be a bifunctional or more glycidyl ester having a cyclo ring structure, for example, diglycidyl ester of hexadicarboxylic acid and the like.
- the bifunctional or higher functional epoxy compound as an optional component other than the essential component glycidyl ester is not particularly limited, but is preferably an alicyclic epoxy type in consideration of heat discoloration and the like.
- Examples of the alicyclic epoxy type include Daicel Chemical Industries Co., Ltd.'s Celloxide 200, P, Celloxide 208, Celloxide 208, Celloxide 208, Epolide GT 300, Epolide GT 4 0 0 (both are trade names).
- the bifunctional or higher epoxy compound (C) has an epoxy value of 50 to 500 equivalents, preferably 100 to 300 equivalents / kg.
- the amount of the polycarboimide compound (B) to be added is 0.05 to 5 parts by weight, preferably 0.3 to 3 parts by weight, more preferably 100 to 100 parts by weight of the polyester block copolymer (A). Is used in an amount of 0.5 to 2 parts by weight. If the addition amount of the polycarboimide compound (B) is less than the above range, the effect of hydrolysis resistance is reduced, If the amount is too large, the effect is not so large, and the function as the polyester block copolymer is impaired.
- the addition amount of the bifunctional or higher epoxy compound (C) is 0.05 to 5 parts by weight per 100 parts by weight of the polyester block copolymer (A). If the amount of the epoxy compound (C) is too small, the synergistic effect with the polycarboimide compound (B) will be poor. If the amount is too large, the stability and fluidity of the melting point will be impaired.
- the blending ratio (weight ratio) of the polycarboimide compound (B) / epoxy compound (C) is preferably from 95Z5 to 45/55. If the amount is less than this or the mixing ratio is out of the range, the effect of improving the hydrolysis resistance is not sufficient. The degree of decrease is large, which is not preferable.
- the phenolic antioxidant (D) (component (D)) used in the present invention is a hindered phenol compound.
- the phenolic antioxidant (D) is preferably 2,6-di-t-butyl-p-cresole, 2,2-methylene-bis- (4-methyl-6-di-t-butylphenol), 4,4'-Thoobis (3-methyl-t-butylphenol), 1,1,3-tris (2-methyl-4-hydroxy-5-t-butylphenyl) butane, Penyu erythrityl-tetrakis [3- (3,5- Di-t-butyl-4-hydroxyphenyl) propionate], octadecyl-3- (3,5-di-t-butyl 4-hydroxyphenyl) propionate, 3,9-bis ⁇ 2-1 (3 (3-t-butyl) 4-hydroxy-5-methylphenyl) propionyloxy] -1,1,1-dimethylethyl ⁇ -2,4,8,10-tetraoxaspiro [5,5] didecane, particularly preferably 3,9— Bis ⁇ 2— [3 (_
- One or two or more phenolic antioxidants can be used simultaneously.
- the compounding amount of the phenolic antioxidant must be 0.01 to 0.5 part by weight based on 100 parts by weight of the polyester block copolymer composition, and 0.1 to 0.3 part by weight. preferable. If the amount is less than 0.01 part by weight, the effect of improving heat resistance is small, and if the amount is more than 0.5 part by weight, the effect of improving heat resistance cannot be expected.
- antioxidant (E) component (E)
- examples of the iodide antioxidant (E) (component (E)) used in the present invention include dilauryl 3,3′-thiodipropionate, dimyristyl 3,3′-thiodipropionate, distearyl 3,3 ′. Erythri Penyu 1-Lutetrakis (3-laurylthio-1-propionate), especially pentaerythrion! ⁇ Illtetrakis (3-laurylthio-1-propionate) is preferred.
- One or more antioxidants (E) can be used simultaneously.
- the amount of the zeotype antioxidant (E) must be 0.01 to 0.5 part by weight based on 100 parts by weight of the polyester block copolymer composition, and 0.1 to 0.3 part by weight. Parts by weight are preferred. If the amount is less than 0.01 part by weight, the effect of improving the heat resistance is small, and if the amount is more than 0.5 part by weight, the effect of improving the heat resistance cannot be expected, and the hydrolysis resistance becomes worse.
- the phenolic antioxidant (D) and the zeolite antioxidant (E) exhibit excellent yellowing resistance when used in combination, and are essential components of the resin composition of the present invention.
- the mixing ratio (weight ratio) of the phenolic antioxidant (D) to the zeolite antioxidant (E) is preferably 60/40 to 10/90, and more preferably 50/50 to 20/80.
- an aromatic polyester (F) may be added as needed in order to increase the impact resistance of the polyester block copolymer (A).
- the aromatic polyester (F) used in the present invention is a thermoplastic aromatic polyester.
- a polyester containing an aromatic dicarboxylic acid as a main dicarboxylic acid component and an aliphatic diol having 2 to 10 carbon atoms as a main diol component Preferably, at least 80 mol%, more preferably at least 90 mol%, of the dicarboxylic acid component comprises the aromatic dicarboxylic acid component.
- the diol component preferably comprises at least 80 mol%, more preferably at least 90 mol% of the diol component, of an aliphatic polyol having 2 to 10 carbon atoms.
- dicarboxylic acid component examples include those described for the thermoplastic aromatic polyester (a).
- Examples of the aliphatic diol having 2 to 10 carbon atoms include aliphatic diols such as ethylene glycol, trimethylene glycol, tetramethylene glycol, hexamethylene glycol, and neopentyl glycol, and 1,4-cyclohexanol. Alicyclic diols of the formula (1). One or more of these aliphatic diols and alicyclic diols can be used together.
- Examples of the secondary dalicol other than the aliphatic diol having 2 to 10 carbon atoms include p, p′-dihydroxyethoxybisphenol8, and polyoxetyleneglycol.
- the main repeating thermoplastic aromatic polyesters are ethylene terephthalate, trimethylene terephthalate, tetramethylene terephthalate, ethylene 1,6-naphthalenedicarboxylate or tetramethylene 1,2,6-naphthalenedicarboxylate. Polyester as a unit is preferred.
- the main repeating unit means at least 80 mol% of all repeating units.
- More preferred thermoplastic aromatic polyesters are polyesters containing ethylene terephthalate, trimethylene terephthalate, and tetramethylene terephthalate as main repeating units, and among them, tetramethylene terephthalate as a main repeating unit. Polyesters are most preferred.
- thermoplastic aromatic polyester (F) used in the present invention has a terminal lipoxyl.
- Base amount is 5 mg-KOH / g or less, preferably 3 mg-KOH / g or less, more preferably 1 mg-KOH
- thermoplastic aromatic polyester (F) used in the present invention the thermoplastic aromatic polyester (a) having the terminal carboxyl group content can also be used.
- the metal salt of an organic carboxylic acid (G) used in the present invention is added as a crystal nucleating agent, and specifically includes metals such as stearic acid, sebacic acid, palmitic acid, montanic acid, dimer acid, trimer acid, and benzoic acid. Salts. Preferred are metal salts of aliphatic carboxylic acids. Examples of the metal include sodium, potassium, calcium and the like. Particularly preferred is sodium montanate. These metal organic carbonates may be used alone or in combination of two or more.
- the amount of the metal salt (G) to be added is 0.5 to 5 parts by weight, preferably 0.1 to 3 parts by weight, based on 100 parts by weight of the polyester block copolymer (A). If the amount of the metal salt (G) is less than the above range, crystallization will be insufficient, and will not be sufficiently promoted, resulting in poor moldability. If the ratio exceeds the above range, the tensile elongation at break decreases, and the hydrolysis resistance is poor.
- thermoplastic resin composition of the present invention may further contain various stabilizers other than those described above, a phosphorus-based antioxidant, a light stabilizer, a heavy metal deactivator, and a reinforcing agent such as glass fiber.
- a phosphorus-based antioxidant such as a phosphorus-based antioxidant
- a light stabilizer such as glass fiber
- a heavy metal deactivator such as glass fiber.
- An inorganic filler, an organic pigment, an inorganic pigment, carbon black, a flame retardant, a flame retardant aid, a nucleating agent other than the above, and a lubricant may be blended.
- the polyester-based thermoplastic resin composition of the present invention is used for molding materials such as injection molded products, extruded molded products, and blow molded products, as well as films, etc., which are resistant to hydrolysis, heat resistance and yellowing. Excellent.
- the reaction temperature is, for example, an extrusion temperature of 200 to 280 ° C, preferably 220 to 270 ° C
- the reaction time is, for example, a residence time of 0.5 to 5 minutes, preferably 1 to 3 minutes.
- parts means “parts by weight”.
- Number average molecular weight (Mn) The value is converted to standard PMMA by GPC measurement.
- GPC measurement use Shodex GPC HF IP-800P HF IP-805P, HF IP-804P, HF IP-803P manufactured by Showa Denko KK as a column.RID-6A manufactured by Shimadzu Corporation as a detector. Column temperature: 50 t: Hexafluoroisopropanol was used as the eluent at a flow rate of 1.0 ml.
- Terminal lipoxyl group concentration (described as [C ⁇ H] in Table 1): 100 ⁇ of the sample: After drying under reduced pressure for 20 hours, weigh 1.0 g and heat to 50 g of benzyl alcohol at 160 Dissolve. After cooling with water, 50 g of black-mouthed form was added and mixed, and titration was performed with 110 N KOH ethanol solution using phenolphthalein as an indicator. Take the appropriate three points for the dissolution time of 10 to 30 minutes and extrapolate the 0 minute to the value obtained by subtracting the acid value of the separately measured benzyl alcohol-cloth form mixture to obtain the acid value ( Unit: mg-KOH / g).
- Hue The yellow index (YI) value was determined using a color difference meter ⁇ _.90 manufactured by Nippon Denshoku Industries.
- thermoplastic aromatic polyester (a) polybutylene phthalate consisting of 100% of butylene phthalate units (commercial product, melting point: 225 ° C, acid value: 4. Omg-KOH / g) was used.
- polyester block copolymer (I) (abbreviation: ⁇ __PCL (I)) had an acid value of 7.0 mg-KOH / g, a molecular weight of 36,000 and a melting point of 2051.
- Polybutylene phthalate consisting of 100% of butylene phthalate units (commercially available, melting point 225 ° C, acid value 2.Omg (KO H) / g) is dried on thermoplastic aromatic polyester (a) at 150 and 1 torr for 1 hour The procedure was performed in the same manner as in Production Example 1 except that the purified product (moisture: 100 ppm) was used.
- the obtained polyester block copolymer (II) (abbreviation: PBT-PCL (II)) had an acid value of 1.9 mg_K0H / g, a molecular weight of 37,000, and a melting point of 205.
- thermoplastic aromatic polyester (a) commercially available polybutylene phthalate consisting of 100% of butylene phthalate units (commercially available, melting point 225, acid value 0.7 mg-K OH / g) was added to 150 ° (:, 1 torr). Lactones were obtained by distilling a commercially available ⁇ -force prolactone under reduced pressure. Except for (acid value: 0.1 mg (KOH) Zg, water content: 70 ppm), the same procedure as in Production Example 1 was carried out. The obtained polyester block copolymer (III) (abbreviation: PBT-CL (III)) had an acid value of 0.5 mg-I (0 H / g, molecular weight 38,000, and melting point of 203 ° C).
- a polyester-based thermoplastic resin composition was produced using the various polyester block copolymers (A) produced above, and the following test pieces were molded from the obtained polyester-based thermoplastic resin composition. Was measured.
- test piece for tensile properties conformed to the JIS No. 2 test piece.
- Tensile properties (tensile strength, elongation at break): Evaluated according to JIS K7133.
- Hydrolysis resistance test Tensile strength and elongation at break were measured on test pieces taken out after immersion in hot water at a temperature of 95 ° C for 240 hours.
- Heat resistance test Tensile strength and elongation at break were measured on test pieces that had been heat-treated at a temperature of 170 ° C for 500 hours.
- the yellowing resistance was evaluated by measuring the hue change of the molding pellet after 240 hours at a temperature of 160 ° C. by measuring a yellow index (YI) value using a color difference meter II-90 manufactured by Nippon Denshoku Industries.
- Polyester block copolymer (A) A polyester block copolymer (I), (II) or (III) obtained above, dried at 120 for 5 hours.
- Polycarboimide compound (B) poly (4,4'-methylenebiscyclohexylcarposimide) (trade name: Carpolilight HMV-8CA, Nisshinbo Co., Ltd.),
- Bifunctional epoxy compound (C) cyclohexanediglycidyl ester (trade name
- Phenolic antioxidants (D): 3,9-bis ⁇ 2- [3 (3-t_butyl_4—hydroxy-5-methylphenyl) propionyloxy] 1-1,1-dimethylethyl ⁇ -2,4 , 8,10-Tetraoxaspiro [5,5] indecanio antioxidant (E): Penyu erythritol tetrakis (3-laurylthiopropionate)
- the above components (A) to (E) were uniformly mixed in a V-type blender at various ratios (unit: parts by weight) shown in Table 1.
- the obtained mixture was melt-kneaded at a barrel temperature of 250 ° C. with a 20 mm diameter twin screw extruder, and the thread discharged from the die was cooled and cut to obtain molding pellets.
- the pellets were dried with hot air at 120 ° C for 5 hours, and then a mold for physical property test pieces was attached to an injection molding machine with a mold clamper of 80 ton_f.
- the temperature per cylinder was 240, the mold temperature was 40 ° C, and the injection pressure was A test piece was molded under the molding conditions of 600 kgZcm 2 , a cooling time of 30 seconds, and a total cycle of 60 seconds.
- Table 1 shows various test results of these test pieces.
- the polybutylene terephthalate having a low concentration of epoxyl group essential for the present invention is used.
- the composition using a polycarboimide compound, a phenolic antioxidant, and a zeolite antioxidant has markedly improved hydrolysis resistance and heat resistance. (See Example 1 and Example 2). [Examples 3 and 4 and Comparative Examples 6 to 10]
- a polyester copolymer was synthesized in the same manner as in the above example, and a composition having the compounding ratio shown in Table 2 was tested for hydrolysis resistance and heat resistance. Table 2 shows the results.
- compositions of the present invention exhibit significantly improved values for both hydrolysis resistance and heat resistance (Examples 3 and 4).
- the effect of improving hydrolysis resistance and heat resistance is low, and particularly, the elongation at break after heat treatment or wet heat treatment is low, and the increase in YI value is noticeable (Comparative Example 6 ⁇ Ten ) .
- polycarbodiimide compounds In order to improve both hydrolysis and heat resistance, polycarbodiimide compounds It is indispensable to use phenol-based antioxidants and zeolite-based antioxidants in combination, and it can be seen that the effect can be recognized by combining these components in appropriate amounts. On the other hand, if the compounding amount of the polycaprolidimide compound is too large, the molecular weight increases but the elongation at break decreases, indicating that the hydrolysis resistance and the heat resistance are inferior.
- thermoplastic resin composition of the present invention is excellent in both hydrolysis resistance and heat resistance, and is suitably used as an industrial resin.
- it is suitable for use under high temperature and / or high humidity conditions as a resin with significantly improved hydrolysis resistance of toned resin moldings because it has excellent heat resistance and hardly causes hue change. .
- the polyester-based thermoplastic resin composition of the present invention is used for molding materials such as injection molded products, extruded molded products, blow molded products, and films. These resins are excellent in hydrolysis resistance, heat resistance, and yellowing resistance, and hardly cause hue change.Therefore, industrial resins that require durability especially under high temperature and / or high humidity conditions are required.
- the composition or Z and a molded article using the same can be suitably used.
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Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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DE602004002193T DE602004002193T2 (de) | 2003-02-06 | 2004-02-05 | Thermoplastisches polyesterharz enthaltende zusammensetzung und formkörper |
CA002515350A CA2515350A1 (en) | 2003-02-06 | 2004-02-05 | Thermoplastic polyester resin composition and molded article |
US10/544,495 US20060252864A1 (en) | 2003-02-06 | 2004-02-05 | Thermoplastic polyester resin composition and molded article |
EP04708443A EP1591486B1 (en) | 2003-02-06 | 2004-02-05 | Thermoplastic polyester resin composition and molded article |
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JP2003030146A JP3939255B2 (ja) | 2003-02-06 | 2003-02-06 | ポリエステル系熱可塑性樹脂組成物及び成形品 |
JP2003-30146 | 2003-02-06 |
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US (1) | US20060252864A1 (ja) |
EP (1) | EP1591486B1 (ja) |
JP (1) | JP3939255B2 (ja) |
KR (1) | KR20050107411A (ja) |
CN (1) | CN1717452A (ja) |
CA (1) | CA2515350A1 (ja) |
DE (1) | DE602004002193T2 (ja) |
MY (1) | MY135984A (ja) |
TW (1) | TW200422348A (ja) |
WO (1) | WO2004069929A1 (ja) |
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WO2007072642A1 (ja) * | 2005-12-21 | 2007-06-28 | Daicel Chemical Industries, Ltd. | ポリエステル系樹脂組成物及び成形体 |
JP5259926B2 (ja) * | 2006-03-02 | 2013-08-07 | 花王株式会社 | ポリ乳酸樹脂組成物の製造法 |
KR20090005049A (ko) * | 2006-03-24 | 2009-01-12 | 다이셀 가가꾸 고교 가부시끼가이샤 | 폴리에스테르계 수지 조성물 및 성형체 |
JP5329826B2 (ja) * | 2008-03-03 | 2013-10-30 | ユニチカ株式会社 | 生分解性ポリエステル樹脂組成物及びそれからなる成形体 |
CN101733925B (zh) * | 2009-10-26 | 2012-07-04 | 申达集团有限公司 | 用于光伏电池背板的聚酯薄膜的制备方法 |
CN102372909A (zh) * | 2010-08-18 | 2012-03-14 | 东丽纤维研究所(中国)有限公司 | 一种耐水解聚酯及其生产方法 |
CN104302687B (zh) * | 2012-03-20 | 2017-12-22 | 3B玻璃纤维公司 | 用于涂覆玻璃纤维的双剂型胶料组合物和用这种玻璃纤维增强的复合材料 |
EP2727950A1 (de) * | 2012-11-02 | 2014-05-07 | Rhein Chemie Rheinau GmbH | Verfahren zum Trocknen von Kunststoffen auf Basis von Polyesterharzen |
CN103087301B (zh) * | 2013-01-22 | 2015-05-13 | 金发科技股份有限公司 | 共聚酯、制备方法及其应用 |
WO2016133056A1 (ja) * | 2015-02-16 | 2016-08-25 | 東洋紡株式会社 | 赤外光透過性ポリエステル樹脂組成物 |
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 |
WO2018143479A1 (ja) * | 2017-02-06 | 2018-08-09 | ウィンテックポリマー株式会社 | 熱可塑性芳香族ポリエステル樹脂組成物の製造方法 |
CN110741047B (zh) * | 2017-06-09 | 2021-12-24 | 东洋纺株式会社 | 密封用树脂组合物 |
EP3431538A1 (de) * | 2017-07-17 | 2019-01-23 | LANXESS Deutschland GmbH | Zusammensetzungen enthaltend polymeres carbodiimid, epoxid und polyester-basierte polymere, deren herstellung und verwendung |
TWI760875B (zh) * | 2020-10-05 | 2022-04-11 | 財團法人工業技術研究院 | 共聚物與其形成方法 |
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JPH06172507A (ja) * | 1990-06-14 | 1994-06-21 | Sekisui Chem Co Ltd | ポリエステル共重合体及びポリエステル共重合体組成物 |
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JPS50160362A (ja) * | 1974-06-18 | 1975-12-25 | ||
JPS58162654A (ja) * | 1982-03-19 | 1983-09-27 | Toyobo Co Ltd | ポリエステル型ブロツク共重合体組成物 |
JPH05302022A (ja) * | 1992-04-27 | 1993-11-16 | Toray Ind Inc | ポリエステルポリエステルブロック共重合体組成物 |
DE4215609A1 (de) * | 1992-05-12 | 1993-11-18 | Huels Chemische Werke Ag | Thermoplastische Mehrschichtverbunde |
JP3345514B2 (ja) * | 1994-07-07 | 2002-11-18 | 日本合成化学工業株式会社 | ポリエーテルエステルブロック共重合体組成物 |
CA2189325A1 (en) * | 1995-03-10 | 1996-09-19 | Youichi Ohara | Flame-retardant polyethylene terephthalate resin compositions |
JP2000191891A (ja) * | 1998-12-24 | 2000-07-11 | Du Pont Toray Co Ltd | ポリエステルエラストマ樹脂組成物 |
TW585880B (en) * | 1999-08-05 | 2004-05-01 | Daicel Chem | Process for producing polyester block copolymer |
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- 2004-02-05 DE DE602004002193T patent/DE602004002193T2/de not_active Expired - Lifetime
- 2004-02-05 EP EP04708443A patent/EP1591486B1/en not_active Expired - Lifetime
- 2004-02-05 CN CNA2004800015266A patent/CN1717452A/zh active Pending
- 2004-02-05 CA CA002515350A patent/CA2515350A1/en not_active Abandoned
- 2004-02-05 KR KR1020057014430A patent/KR20050107411A/ko not_active Abandoned
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- 2004-02-05 US US10/544,495 patent/US20060252864A1/en not_active Abandoned
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Publication number | Publication date |
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EP1591486A4 (en) | 2006-02-08 |
CN1717452A (zh) | 2006-01-04 |
MY135984A (en) | 2008-07-31 |
JP3939255B2 (ja) | 2007-07-04 |
TW200422348A (en) | 2004-11-01 |
CA2515350A1 (en) | 2004-08-19 |
DE602004002193T2 (de) | 2006-12-28 |
DE602004002193D1 (de) | 2006-10-12 |
EP1591486A1 (en) | 2005-11-02 |
EP1591486B1 (en) | 2006-08-30 |
KR20050107411A (ko) | 2005-11-11 |
US20060252864A1 (en) | 2006-11-09 |
JP2004262969A (ja) | 2004-09-24 |
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