WO2004096912A1 - ポリエステル樹脂組成物 - Google Patents
ポリエステル樹脂組成物Info
- Publication number
- WO2004096912A1 WO2004096912A1 PCT/JP2004/006198 JP2004006198W WO2004096912A1 WO 2004096912 A1 WO2004096912 A1 WO 2004096912A1 JP 2004006198 W JP2004006198 W JP 2004006198W WO 2004096912 A1 WO2004096912 A1 WO 2004096912A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyester resin
- resin
- resin composition
- weight
- acid
- Prior art date
Links
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C08L101/06—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/025—Copolymer of an unspecified olefin with a monomer other than an olefin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
- C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/04—Polysulfides
Definitions
- the present invention relates to a polyester resin composition having excellent mechanical properties, particularly excellent flexibility and impact resistance in a low-temperature atmosphere of as low as 140 ° C., and also having excellent chemical resistance and fluidity. It is about. Background art
- Polyester resins typified by polyethylene terephthalate, are used in various electrical and electronic parts, machine parts, and automobile parts due to their excellent properties.
- polyester resins are inferior in impact resistance, particularly in notched impact strength, and many improvement methods have been proposed.
- a method of blending a copolymer composed of monomers such as ⁇ -olefin and ⁇ , ⁇ -glycidyl unsaturated acid ester is widely used. Molded articles obtained by these methods exhibit good impact resistance near room temperature, but have the problem that, for example, in a low-temperature atmosphere of about 140 ° C, the impact resistance is greatly reduced. Therefore, as a means for improving the impact resistance at low temperature, a method of blending a specific darisidyl group-containing copolymer of copolymer and polyethylene / ⁇ -olefin (US Pat.
- compositions having an impact resistance of 500 Jm or more have not yet been obtained, and there is a need for the development of a material that satisfies more advanced low-temperature characteristics. Further, the compositions obtained by these conventional techniques are not sufficiently resistant to acids, alkalis, and organic solvents, and are therefore required to be improved in that their use is limited. DISCLOSURE OF THE INVENTION ''
- An object of the present invention is to obtain a polyester resin composition which has better flexibility and impact resistance in a low-temperature atmosphere than conventional materials, and also has excellent fluidity and chemical resistance. It is an issue.
- the present inventors have studied to solve the above problems, and as a result, in a resin composition comprising a polyester resin and a specific olefin resin, and a polyphenylene sulfide resin or a liquid crystal resin, The present inventors have found that the formation of a specific morphology solves the above te problem, and reached the present invention.
- the present invention relates to 100 parts by weight of a resin composition
- a resin composition comprising (a) 60 to 95% by weight of a polyester resin and (b) 5 to 40% by weight of an olefin-based resin.
- C 0.5 to 30 parts by weight of one or more resins selected from a polyphenylene sulfide resin and a liquid crystalline resin, and the above-mentioned (b) the olefin-based resin is (b-1)
- a functional group-containing olefin copolymer having at least one functional group selected from the group consisting of a carboxylic acid group, a carboxylic anhydride group, a carboxylic acid ester group, a carboxylic acid metal base and an epoxy group.
- FIG. 1 is a model diagram of a sea-island structure in which a polyester resin forms a continuous phase and an olefin-based resin is dispersed.
- FIG. 2 is a model diagram of a bicontinuous phase structure in which the polyester resin and the olefin-based resin both form a continuous phase.
- the (a) polyester resin used in the present invention is a polymer having an ester bond in the main chain.
- a thermoplastic polyester having an aromatic ring in a chain unit of the polymer is used. Specifically, it is usually obtained by a condensation reaction mainly comprising an aromatic dicarboxylic acid (or an ester-forming derivative thereof) and a diol (or an ester-forming derivative thereof) and / or hydroxycarboxylic acid.
- a polymer or a copolymer is exemplified.
- the aromatic dicarboxylic acids include terephthalic acid ', isophthalic acid, and ortho'phthalic acid, 2,6-naphthalenedicarboxylic acid, 1,5-naphthalenedicarboxylic acid, and bis (p-carboxyphthalic acid).
- alicyclic dicarboxylic acids such as adipic acid, sepasic acid, azelaic acid, dodecanedioic acid, etc., 1,3-cyclohexanedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, etc.
- the ester-forming derivative thereof may be used in combination.
- the diol is an aliphatic diol having 2 to 20 carbon atoms, that is, Ethylene glycol, propylene glycol, 1,4-butanediol, neopentynole glycol, 1,5-pentandiol, 1,6-hexanediol, decamethyllendolic alcohol, cyclohexanedimene Examples thereof include ethanol, cyclohexyldiol, and ester-forming derivatives thereof. Two or more of these diols can be used in combination.
- polyester preferably used in the present invention include polyethylene phthalate, polypropylene phthalate, polybutylene phthalate, polydimethylene phthalate, and polydimethyl phthalate.
- Polyalkylene terephthalate such as lentephthalate, polyhexylene terephthalate, polyethylene-1,2,6-naphthalene range power noreboxylate, polybutylene-1,2,6, naphthalene dicarboxy Rate, poly (ethylene) -1,2_bis (phenoxy) ethane 4,4,1-dicarboxylate, polyethyleneisophthalate / terephthalate, polybutyleneisophthalate Rate / telephthalate, polybutylene terephthalate / decanecarboxylate, poly (ethylene Non-liquid crystalline polyesters such as terephthalate / six-mouth hexanedimethylene terephthalate), polyethylene 1,4,4,1-dicarboxylate / terephthalate, and
- polyester resins are practically suitable to be used as a mixture depending on required properties such as moldability, heat resistance, toughness, and surface properties.
- the method for producing the (a) polyester resin used in the present invention is not particularly limited, and is produced by a conventionally known direct polymerization method or transesterification method.
- the degree of polymerization of these polyester resins is not limited, for example, the intrinsic viscosity measured at 25 ° C. in a 0.5% o-chlorophenol solution is 0.5%.
- the range of 35 to 2.0 is preferable, the range of 0.5 to: 1.5 is more preferable, and the range of 0.5 to 1.20 is particularly preferable.
- the (a) polyester resin used in the present invention has an amount of 30 terminal groups of lipoxyl per 1 ton of polymer, which was determined by potentiometric titration of an m-cresole solution with an alkali solution.
- a relatively large value of ⁇ 80 eq / t is preferable from the viewpoint of low-temperature impact resistance.
- the lipoxyl end group content is preferably from 35 to 75 eq / t, particularly preferably from 40 to 70 eq / t. If the amount of carboxyl end groups is less than 30 eq / t, the low-temperature properties tend to decrease, and if it exceeds & 0 eq Zt, the hydrolysis resistance tends to decrease. Not good.
- the (b) olefin-based resin used in the present invention is (b-1) a functional group-containing olefin copolymer (b-2) an ethylene / ⁇ -olefin copolymer in combination. It is what you do.
- the (b_l) functional group-containing olefin copolymer used in the present invention refers to a carboxylic acid group, a carboxylic acid anhydride group, a carboxylic acid ester group, a carboxylic acid metal group in a molecule. It is an olefin copolymer having at least one kind of functional group selected from bases and epoxy groups.
- the functional copolymer having functional groups is at least one selected from carboxylic acid groups, carboxylic acid anhydride groups, carboxylic acid ester groups, carboxylic acid metal bases and epoxy groups. It can be obtained by introducing a monomer component having the above functional group into the olefin copolymer.
- the monomer component having a functional group for introducing a functional group into the olefin copolymer is a compound containing a carboxylic acid group, a carboxylic acid anhydride group, a carboxylic acid ester group, an epoxy group, and the like.
- acrylic acid methacrylic acid, maleic acid, fumaric acid, tetrahydrophthalic acid, itaconic acid, citraconic acid, crotonic acid, isocrotonic acid
- unsaturated carboxylic acids such as carboxylic acid, norvonolenene dicarboxylic acid, bicyclo [2,2,1] hept-2-ene-5,6-dicarboxylic acid, or anhydrides of these carboxylic acids Include carboxylic acid esters.
- Examples of specific compounds are maleic anhydride, itaconic anhydride, citraconic anhydride, tetrahydrophthalic anhydride, bicyclo [2,2,1] hept-2-ene-5,6 -Dicarboxylic anhydride, dimethyl maleate, monomethyl maleate, getyl maleate, getyl fumarate, dimethyl itaconate, dimethyl citrate, tetramethyl citrate Dimethinole hydrophthalate, Bicyclo [2,2,1] hept-2-ene-5,6-dicarboxylate, Hydroxicetinol acrylate, Hydroxicetyl methacrylate, Hydroxypropyl acrylate, methacrylate acrylate, glycidyl acrylate, glycidyl methacrylate, glycidyl ethacrylate, itacon Glycidyl acid, glycidyl citrate, methacrylic acid Examples include aminoethyl and aminopropyl meth
- the method for introducing the monomer component having a functional group is not particularly limited, and the monomer component having the functional group may be used together with at least one kind of olefin selected from ethylene and ⁇ -olefin. It is possible to use a method of polymerizing or a method of introducing a graft into an olefin polymer.
- At least one of the ethylene and ⁇ -olefins used in the copolymerization is selected from ethylene and ⁇ -olefins having 3 to 20 carbon atoms. Things are preferred. Specifically, in addition to ethylene, propylene, 1-butene, 2-butene, 1-pentene, 3-methinolate 1-butene, 1-hexene, 4-methinolate 1-pentene,
- the olefin polymer used for introducing the graphene into the olefin polymer include high-density polyethylene, medium-density polyethylene, low-density polyethylene, and polypropylene.
- Ethylene / propylene copolymer ethylene / butene-11 copolymer, ethylene / hexene-11 copolymer, ethylene / propylene / dicyclopentadiene copolymer, ethylene / propylene / 5- Ethylene 2-norpolene copolymer, unhydrogenated or hydrogenated styrene / isoprene / styrene triblock copolymer, unhydrogenated or hydrogenated styrene Z-butadiene / styrene Examples include block copolymers.
- the monomer component having a functional group When the monomer component having a functional group is graft-introduced into the olefin-based polymer, it is preferable to perform the grafting in the presence of a radical initiator since the graft reaction efficiency is increased.
- a radical initiator examples include organic peroxides and azo compounds.
- Specific examples thereof include dicyl peroxide, di-1-butyl peroxide, 2, and 5-dimethyl-2,5-bis (t-butylperoxy) hexane, 2,5-dimethyl-2,5-bis (t-ptinoleperoxy) hexyne-3,1,3-bis (t- Butynolepoxy isopropyl) benzene, 1,1-bis (t-butylperoxy) laleto, benzoinolepoxide, t-peptinolepoxybenzoate, acetyl peroxide, isop Tyryl peroxide, octanoyl peroxide, decanol peroxyde, lauroyl peroxide, 3,5,5-trimethylhexanoyl peroxide and 2,4-dichloro mouth Benzoylper Described de and m- Torr I helper O described de Ru, etc.
- the reaction conditions for the above-mentioned graft reaction are not particularly limited, but it is preferable to carry out the reaction in a state in which the olefin polymer is molten, and in this case, the melting point of the olefin polymer is usually used. 'React with the above. That is, the graft polymerization reaction is carried out at a temperature equal to or higher than the melting point of the above-mentioned copolymer, specifically, usually in the range of 80 to 300 ° C, preferably 80 to 260 ° C. Five . .
- the olefin copolymer having a carboxylic acid metal base is obtained by metallizing a part or all of the carboxylic acid introduced as described above.
- the metal species in the carboxylate metal base is not particularly limited, but in addition to alkali metals or alkaline earth metals such as Li, Na, K, Mg, Ca, Sr, and Ba, A 1 , S n, S b, T i, M n, Fe, N i, Cu, Z n, C d, etc. In particular, Zn is preferably used.
- an epoxy group-containing olefin copolymer is preferable.
- the epoxy copolymer containing an epoxy group is a copolymer having at least one epoxy group in the molecule.
- it is an ethylene copolymer containing ethylene and Z or ⁇ -olefin and glycidyl ester of ⁇ , 3-unsaturated canoleponic acid as copolymerization components.
- these copolymers further include acrylic acid, methyl acrylate, ethyl acrylate, butyl acrylate, methacrylic acid, methyl methacrylate, and methyl methacrylate. It is also possible to copolymerize ⁇ , i3-unsaturated carboxylic acids such as ethyl and butyl methacrylates and their alkyl esters.
- ethylene and ⁇ in the present invention laid preferred use of Orefi down copolymer containing copolymerization component glycidyl esters of ⁇ monounsaturated carboxylic acid, among others, ethylene 6 0-9 9 weight 0/0 and a An olefin copolymer containing from 1 to 40% by weight of a glycidyl ester of a monounsaturated carboxylic acid as a copolymer component is particularly preferred.
- the dalicidyl ester of the ⁇ , ⁇ monounsaturated carboxylic acid is as follows: (R represents a hydrogen atom or a lower alkyl group), specifically, glycidyl acrylate, glycidyl methacrylate, and methacrylic acid Glycidyl, etc., among which glycidyl methacrylate is preferably used.
- ethylene copolymers containing ethylene and / or ⁇ -olefin and glycidyl ester of 0 :, ⁇ -unsaturated carboxylic acid as essential copolymer components include ethylene / pro-ethylene.
- ethylene / glycidyl methacrylate copolymer, methyl ethylene acrylate glycidyl methacrylate copolymer, ethylene methyl methacrylate methacrylate Dalicidyl methacrylate copolymer is preferably used.
- the ethylene / ⁇ -olefin copolymer comprising (b-2) ethylene and ⁇ -olefin having 3 to 20 carbon atoms which is used in the present invention, is a type of ethylene and ⁇ -olefin copolymer having 3 to 20 carbon atoms.
- Examples of the above ⁇ -olefins having 3 to 20 carbon atoms include propylene, 1-heptene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-dendecene, 1-dodecene, 1-tridecene, 1-tetradecene, 1-pentadecene, 1-hexadecene, 1-heptadecene, 1-octadecene, 1-nonadecene, 1 — Eikosen, 3 — Methylone 1 pentene, 3 — Methinole 1 — Penten, 3 — Ethyl 1 _ pentene, 4 1 Methyl 1 1 1 Penten, 4 — Methyl 1 — Hexene, 4, 4 1 1 hexene, 4, 4 1 dimethylene 1 1 pentene, 4 — ethyl 1 1 xen, 3 ⁇
- the melt flow rate (hereinafter abbreviated as MFR) of the (b) olefin-based resin used in the present invention is 0 (measured under ASTM D 1238, 190 ° C and a load of 2160 g). It is preferably from 0.1 to 70 g / 10 minutes, more preferably from 0.03 to 60 g ZIO. If the MFR is less than 0.01 g / 10 min, the fluidity is poor, and if it exceeds 70 g / 10 min, the impact strength may be low depending on the shape of the molded product. It is.
- the method for producing (b) the olefin-based resin used in the present invention is not particularly limited, and includes radical polymerization, coordination polymerization using a Ziegler's Natta catalyst, anion polymerization, and coordination polymerization using a metallocene catalyst. Any method such as co-polymerization can be used.
- the mixing ratio of the (a) Po Li ester resin and (b) Orefi down resins of the present invention, port re ester resin 6 0-9 5 weight 0/0, Ri Orefi down resins 5-4 0 wt% der Preferably, it is 70 to 85% by weight of a polyester resin and 15 to 30% by weight of an olefin resin. Five-fold resin. When / 0 good Ri is too small, the effect of improving flexibility Contact Yopi ⁇ is rather meat, conversely, 4 0 if the weight% by Ri too much, Po Li ester resins inherent thermal stability and chemical resistance This is not preferred because not only is the viscosity increased, but also the viscosity increases during melt-kneading.
- the ratio of the (b-1) functional group-containing copolymer and the (b-2) ethylene ⁇ -olefin copolymer is (b-1) 5) to 40% by weight of the component, and 60 to 95% by weight of the (b-2) component. / 0 laid preferred, the yo Ri favored properly (b - 1) component 1 0-3 0 weight 0/0, (b - 2) component 7 0-9 0% by weight. If the component (b-l) is less than 5% by weight, low-temperature properties tend to be difficult to obtain, and if it is more than 40% by weight, the viscosity during melt-kneading becomes large. Ri Fluidity tends to deteriorate. If the component (b-2) is less than 60% by weight, low-temperature properties tend to be difficult to obtain, and if it is more than 95% by weight, chemical resistance tends to decrease.
- polyphenylene is preferred in that it does not impair the toughness and impact resistance at low temperatures, and further imparts properties such as fluidity during processing to improve chemical resistance. It is necessary to include one or more resins selected from lensulphide resin (hereinafter abbreviated as PPS) or liquid crystalline resin.
- PPS lensulphide resin
- PPS used in the present invention a polymer having a repeating unit represented by the following structural formula can be used.
- the structural repetition unit represented by formula 7 0 molar 0/0 above it is Raniwa 9 0 mol% or more containing polymer favored arbitrariness.
- the repeating unit may be constituted by a repeating unit having any of the following structures. Above all! )-Phenylene sulfide / m-phenylene sulfide copolymer (m-phenylene sulfide unit 20% or less) is preferred because it has both moldability and barrier properties. It can be used properly.
- Such PP s can be produced in low yield by recovering and post-treating PP s obtained by reacting a polyhalogen aromatic compound with a sulfidizing agent in a polar organic solvent.
- Cross-linking the PPS obtained as described above by heating in air to increase the molecular weight Z, heat treatment under an inert gas atmosphere such as nitrogen or under reduced pressure, washing with an organic solvent, hot water, an acid aqueous solution, etc., acid anhydride
- the product can be used after being subjected to various treatments such as activation with a functional group-containing compound such as a substance, an amine, an isocyanate, or a functional group-containing disulfide compound.
- Specific methods for cross-linking / high-molecular-weight PPS by heating include: an atmosphere of an oxidizing gas such as air or oxygen, or a mixed gas of the oxidizing gas and an inert gas such as nitrogen or argon. Heating is performed at a predetermined temperature in a heating vessel under an atmosphere until a desired melt viscosity is obtained. Can be exemplified.
- the heat treatment temperature is usually selected from 170 to 280 ° C, preferably from 200 to 270 ° C.
- the heat treatment time is usually selected from 0.5 to 100 hours, preferably from 2 to 50 hours. By controlling these two, the target viscosity level can be obtained.
- the heating device may be an ordinary hot air dryer or a heating device with a rotary or stirring blade, but for efficient and more uniform treatment, a rotating or stirring blade is required. It is preferable to use a heating device.
- a specific method is to use a heat treatment temperature of 150 to 2 in an atmosphere of inert gas such as nitrogen or under reduced pressure.
- Examples of the method include heat treatment at 800 ° C, preferably 200 to 270 ° C, and a heating time of 0.5 to 100 hours, preferably 2 to 50 hours.
- the heating device may be an ordinary hot-air dryer, or a rotary type or a heating device with a stirring blade. However, for efficient and more uniform processing, a rotary type or a stirring device is used. It is more preferable to use a winged heating device.
- the (c) PPS used in the present invention is preferably a PPS that has been subjected to a washing treatment.
- a washing treatment include an acid aqueous solution washing treatment, a hot water washing treatment and an organic solvent washing treatment. These processes may be used in combination of two or more methods.
- the following method can be exemplified as a specific method for washing PPS with an organic solvent.
- the organic solvent used for washing is not particularly limited as long as it does not have a function of decomposing PPS.
- N-methylpyrrolidone, dimethylformamide, dimethylacetamide Nitrogen-containing polar solvents such as dimethyl sulfone, dimethyl sulfone such as dimethyl sulfone, sulfone solvents, ketone solvents such as acetone, methylethyl ketone, getyl ketone, acetophenone, and dimethyl Ether solvents such as tyl ether, dipropyl ether, tetrahydrofuran, etc., mouth form, methylene chloride, trichloroethylene, dichloride Novel solvents such as ethylene, dichloronorethane, tetrachloronorethane, and chloronorbenzene, methanol, ethanol, and phenol.
- examples include solvents, aromatic hydrocarbon solvents such as benzene, toluene, and xylene.
- aromatic hydrocarbon solvents such as benzene, toluene, and xylene.
- organic solvents use of N-methylpyrrolidone, acetone, dimethylformamide, or cross-linked form is preferred.
- These organic solvents are used alone or as a mixture of two or more.
- As a method of washing with an organic solvent there is a method of immersing PPS in an organic solvent, and the like, and if necessary, stirring or heating can be appropriately performed.
- the washing temperature when washing PPs with an organic solvent is not particularly limited, and an arbitrary temperature from ordinary temperature to about 300 ° C. can be selected. Although the cleaning efficiency tends to increase as the cleaning temperature increases, a sufficient effect can usually be obtained with a cleaning temperature of room temperature to 15'0 ° C. Further, it is preferable that the PPS that has been subjected to the organic solvent washing be washed several times with water or hot water in order to remove the remaining organic solvent.
- the following method can be exemplified as a specific method for washing the PPS with hot water. That is, it is preferable that the water to be used is distilled water or deionized water in order to exhibit a preferable chemical modification effect of PPs by washing with hot water.
- the operation of hot water treatment is usually performed by adding a predetermined amount of PPS to a predetermined amount of water, and heating and stirring at normal pressure or in a pressure vessel.
- the ratio of PPS to water is preferably higher, but usually a bath ratio of 200 g or less of PPS per liter of water is selected.
- treatment with an aqueous solution containing a metal element belonging to Group II of the periodic table is preferably used.
- the aqueous solution containing a metal element of Group II of the periodic table is obtained by adding a water-soluble salt having a metal element of Group II of the periodic table to the above-mentioned water.
- concentration of the water-soluble salt having a metal element of Group 1 of the periodic table in water is in the range of about 0.001 to 5% by weight. Enclosures are preferred.
- Preferable metal elements among the Group II metal elements of the periodic table used herein include C a, Mg, B a, and Zn, and their counterparts are anions. Examples include acetate ion, halide ion, hydroxide ion and carbonate ion. Is a good Ri specific preferred compounds, acetic acid C a, acetic M g, acetic Z n, C a C l 2 , C a B r 2, Z n C 1 2, C a CO 3, C a Examples thereof include (OH) 2 and CaO, and particularly preferred is Ca acetate.
- the temperature of the aqueous solution containing a metal element of Group II of the periodic table is preferably 130 ° C. or higher, more preferably 150 ° C. or higher.
- the upper limit of the washing temperature is not particularly limited, but is limited to about 250 ° C when using normal auto crepe.
- the bath ratio of the aqueous solution containing the metal element of Group 11 of the periodic table is preferably selected in the range of 2 to 100 with respect to the dry polymer 1 by weight, and the range of 4 to 50 is preferable. More preferably, it is even more preferably in the range of 5 to 15.
- the following method can be exemplified as a specific method when the PPS is washed with an acid aqueous solution. That is, there is a method of immersing PPs in an acid or an aqueous solution of an acid, or the like, and if necessary, stirring or heating can be performed as appropriate.
- the acid to be used is not particularly limited as long as it does not have a function of decomposing PPS.For example, aliphatic saturated monocarboxylic acids such as formic acid, acetic acid, propionic acid and butyric acid, macroacetic acid, dichloroacetic acid and the like can be used.
- Halo-substituted aliphatic unsaturated carboxylic acid such as aliphatic saturated carboxylic acid, acrylic acid, crotonic acid, aromatic carboxylic acid such as benzoic acid and salicylic acid, oxalic acid, malonic acid, cono Examples include dicanoleponic acid such as citric acid, phthalic / phthalic acid, and fumaric acid, and inorganic acidic compounds such as sulfuric acid, phosphoric acid, hydrochloric acid, carbonic acid, and silicic acid. Among them, acetic acid and hydrochloric acid are more preferably used.
- the acid-treated PPS is preferably washed several times with water or warm water to remove residual acids and salts. Water used for cleaning is 8
- Distilled water or deionized water is preferred, as long as the effect of the preferred chemical denaturation of PP s is not impaired.
- the ash content of (c) PPS used in the present invention is preferably in a relatively large range of 0.1 to 2% by weight from the viewpoint of imparting properties such as fluidity during processing and molding cycle.
- the range is more preferably from 2 to 1% by weight, and even more preferably from 0.3 to 0.8% by weight.
- the ash content refers to the amount of inorganic components in PPS determined by the following method.
- the melt viscosity of (c) PPS used in the present invention may be 1 to 200 Pa ⁇ s (300 ° C, shearing) due to properties such as fluidity during processing for improving chemical resistance. Velocity 1 00 0 sec- 1 ) is preferred, l to 200 Pas is more preferred, and l to 50 Pas is more preferred. I like it.
- the melt viscosity is a value measured by a flow meter using a nozzle with a nozzle diameter of 0.5 ⁇ and a nozzle length of 10 mm under the conditions of a shear rate of 100 sec -1 . It is.
- the amount of black form extracted as an index of the (c) organic low-polymerization component (oligomer) of PPS used in the present invention (10 g of polymer / 200 ml of black form; (Extracted from the residual amount after 5-hour treatment) is a relatively large range of 1. to 5% by weight from the viewpoint of improving the chemical resistance and adding properties such as fluidity during processing. Is more preferable, the range of 1.5 to 4% by weight is more preferable, and the range of 2 to 4% by weight is more preferable.
- the (c) liquid crystalline resin used in the present invention can form an anisotropic molten phase. Resins having an ester bond are preferred.
- the liquid crystalline polyester amide to be formed.
- aromatic oxycarbonyl units include, for example, structural units formed from P-hydroxybenzoic acid, 6-hydroxy-12-naphthoic acid, and aromatic dioxy units. , 4,4 ⁇ —Dihydroxy xybiphenyl, noisydroquinonone, 3,3 ', 5,5,1-tetramethylyl-4,4' , Phenylhydrinoquinone, 2,6—dihydroxynaphthalene, 2,7—dihydroxynaphthalene, 2,2-bis (4-hydroxyphenyl) propane
- the structural unit or aromatic and / or aliphatic dicarbonyl unit formed from roxydiphenyl ether or the like include terephthalic acid, isophthalic acid, 2,6-naphthalenedicarbon 1,4,4'-Diphenyldicarboxylic acid, 1,2-bis (phenyloxy) ethane 1,4,4'-Dicarboxylic acid, 1,2,2-bis (2-chloroenoxy) ethan
- Structural units formed from pyrene glycol, 1,4-butanediol, and the like preferably, structural units formed from ethylene glycol are preferred
- aromatic iminonoxy units include, for example, 4-aminofuran.
- Examples include structural units generated from enol and the like.
- liquid crystalline polyester is a structural unit formed from p-hydroxybenzoic acid 6-hydroxy-12-naphthoic acid.
- Liquid crystalline polyester, P Structural unit derived from hydroxybenzoic acid, 6 — Hydroxyxy 2 — Structural unit derived from naphthoic acid, Aromatic dihydroxy compound and / or Aliphatic dicarboxylic acid
- Liquid crystalline polyester composed of structural units, structural units generated from p-hydroxybenzoic acid, structural units generated from 4,4'-dihydroxybiphenyl, terephthalic acid and / or adipic acid, sebacic acid, etc.
- Liquid crystalline polyester composed of structural units derived from aliphatic dicarboxylic acid, p-hydroxybenzoic acid, structural unit derived from ethylene glycol, liquid crystalline composed of structural unit derived from terephthalic acid Polyester, p — Ethylene glycol, a structural unit composed of hydroxybenzoic acid ⁇ Liquid crystalline polyester consisting of structural units derived from terephthalic acid and isophthalic acid, structural unit derived from P-hydroxybenzoic acid, structural unit derived from ethylene glycol, 4, 4'-Liquidoxybiphenyl, a structural unit formed from terephthalic acid and / or adipic acid, sebacic acid, and other aliphatic dicarboxylic acids.
- Structural units formed from xyloxybenzoic acid structural units formed from ethylene glycol, structural units formed from aromatic dihydroxy compounds, fragrances such as terephthalic acid, isophthalenoic acid, and 2,6-naphthalenedilenolenoic acid
- liquid crystalline polyesters comprising a structural unit formed from an aromatic dicarboxylic acid.
- Preferred are a hydrophilic polyester and a liquid crystalline polyester comprising the structural units of (I), (III) and (IV).
- liquid crystalline polyesters comprising the structural units (I), (11), (III) and (IV).
- R 2 represents one or more groups selected from the following general formula. T / JP2004 / 006198
- X in the formula represents a hydrogen atom or a chlorine atom.
- the above structural unit (I) is a structural unit composed of p-hydroxybenzoic acid.
- the structural unit (II) is 4,4, dihydroxybiphenyl, 3,3,5,5,5'-tetramethylyl-4,4'dihydroxybiphenyl, nitropyroquinone, and t-butylinhydroquinone Quinone, pheninolenodinoquinone, methylhydroquinone, 2,6—dihydroxynaphthalene, 2,7—dihydroxynaphthalene, 2,2—bis (4-hydroxyphenyl) prono And structural units formed from at least one aromatic dihydroxy compound selected from 4,4, -dihydroxydiphenyl ether.
- the structural unit (III) is a structural unit formed from ethylene glycol.
- the structural unit (IV) is terephthalic acid, isophthalic acid, 4,4'-diphenyldicarboxylic acid, 2,6-naphthalenedicarboxylic acid, 1,2-bis (phenoxy) ethane-1,4 ', 4' Dicarboxylic acid, formed from one or more aromatic dicarboxylic acids selected from 1,2-bis (2-chlorochlorophenoxy) ethane-4,4'-dicarboxylic acid and 4,4'-diphenyletherdicarboxylic acid Indicates a structural unit.
- the following equation And R is the following formula Are particularly preferred.
- the liquid crystalline polyester that can be preferably used in the present invention is a copolymer composed of the structural units (I), (111) and (IV). At least one member selected from the copolymer consisting of (11), (11 1) and (IV), and copolymerization of the structural units (I), (II), (III) and (IV)
- the amount is arbitrary. However, in order to exert the characteristics of the present invention, the following copolymerization amount is preferably used. That is, in the case of a copolymer consisting of the structural units (I), (11), (11), and (IV), the sum of the copolymerization amounts of the structural units (I) and (II) is unit (I), correct preferred Ri (II).
- the copolymerization of the structural unit (III) is a structural unit (I), (II) and 7 0-5 mol with respect to the total copolymerization amount of (III) 0/0 is laid preferred, especially 6 0 to 1 5 mol 0/0 Gayo Ri favored arbitrariness.
- the molar ratio of the structural unit (I) to (II) [(I) / (II)] is preferably 75 to 25 to 95/5, more preferably 782. 2 to 9 3 7
- the copolymerization amount of the structural unit (IV) is preferably substantially equimolar to the sum of the copolymerization amounts of the structural units (II) and (III).
- the copolymerization amount of the above-mentioned structural unit (I) is determined from the viewpoint of fluidity by the structural units (I) and (III). 004/006198
- the copolymerization amount of the structural unit (IV) is preferably substantially equimolar to the copolymerization amount of the structural unit (III).
- substantially equimolar means that the unit constituting the polymer main chain excluding the terminal is equimolar, but the unit constituting the terminal is not necessarily equimolar. means.
- liquid crystalline polyester amide in addition to the above structural units (I) to (IV), an anisotropic molten phase containing a p-aminophenol unit formed from p-aminophenol is used. Polyester amides that form are preferred.
- liquid crystalline polyester and liquid crystalline polyester amide include 3,3′-diphenyldicarboxylic acid, 2,2, diphenyldicarboxylic acid and 3,3′-diphenyldicarboxylic acid in addition to the components constituting the above structural units (I) to (IV).
- Aromatic dicarboxylic acids such as adipic acid, azelaic acid, sebacic acid and dodecandionic acid; alicyclic dicarboxylic acids such as hexahydroterephthalic acid; chlorohydroquinone; 3, 4 ' 4,4-dihydroxydiphenylenolesurone, 4,4'-dihydroxydiphenylphenylenolide, 4,4'-dihydroxydibenzobenzophenone, 3,4'-dihydoxy Aromatic diols such as droxybiphenyl, propylene glycol, 1,4-butanediol, 1,6-hexanediol, Aliphatic and cycloaliphatic diols such as pentinoreguri cornore, 1,4-cyclohexanediol and 1,4-cyclohexanedimethanol, and m-hydroxybenzoic acid, 2,6—hydroxynaphthenic acid, etc
- Aromatic hydroxycarboxylic acid and p-aminobenzoic acid can be further copolymerized within a range that does not impair the liquid crystallinity.
- the method for producing the liquid crystal resin (c) used in the present invention is not particularly limited, and it can be produced according to a known polycondensation method of a polyester.
- the melt viscosity of the liquid crystalline resin is not particularly limited.
- the value measured at the melting point of the liquid crystalline resin + 10 ° C is preferably l OOP a ⁇ s or less, more preferably 0.1 L S, and most preferably 0.5 to 30 Pa's.
- the melting point is defined as the endothermic peak temperature (T m1) observed when the polymer is measured from room temperature under a temperature rising condition of 20 ° C./min. After maintaining the temperature at + 20 ° C for 5 minutes, cooling to room temperature under the temperature-lowering condition of 20 ° C / min, and then measuring again at the temperature of 20 ° C
- Tm 1 the endothermic peak temperature observed when the polymer is measured from room temperature under a temperature rising condition of 20 ° C./min. After maintaining the temperature at + 20 ° C for 5 minutes, cooling to room temperature under the temperature-lowering condition of 20 ° C / min, and then measuring again at the temperature of 20 ° C
- Tm 2 is the melting point.
- the amount of one or more resins selected from (c) PPS and liquid crystalline resin used in the present invention in the composition comprising (a) a polyester resin and (b) an olefin-based resin may be at a low temperature.
- the total of 100 weights of (a) and (b) Parts are 0.5 to 30 parts by weight.
- the compounding amount is preferably 1 to 30 parts by weight, more preferably 1 to 20 parts by weight, more preferably 2 to 20 parts by weight, particularly preferably 3 to 15 parts by weight, Most preferably, it is 5 to 15 parts by weight.
- the polyester resin composition of the present invention may further contain an antioxidant or other additives as described below.
- an antioxidant or other additives as described below.
- the amount of the antioxidant to be added should be at least 0.01 part by weight, especially 0.02 parts by weight, based on 100 parts by weight of the total of the components (a) and (b) from the viewpoint of the heat resistance improving effect. Departments or better
- the content be 5 parts by weight or less, particularly 1 part by weight or less.
- the use of a combination of a phenolic and a phosphorus-based antioxidant is particularly preferred because of its particularly high heat resistance, thermal stability and fluidity retention effects.
- hindered phenolic compounds are preferably used.
- triethylene glycol-pis [3_t-butyl- ( 5 — methyl 4-hydroxyhydrone) propionate], N, N, 1-hexamethylene bis (3, 5 — g-butyl butyl 4 — hydroxy-hydrocincinamide), te Trakis [Methylene-3- (3 ', 5, 1-p-butyl-4, -hydroxyphenyl) propionate] methane, pentaerythryl chiltrax [3 — (3,5′-Gt-l-butyl-1-4′-hydroxyphenyl) propionate], 1,3,5—Tris (3,5—Gt-l-butyltin-4-hydroxybenzyl) — S — triazine — 2, 4, 6 — (1 H, 3 H, 5 H) one R, on, 1, 1, 3—tris (2—methyl 4—hydroxy 5—t—butyl ether) butane
- ester-type polymer hindered phenol type is preferred. Specifically, tetrakis [methylene 3-(3,, 5,-di-t-butyl 4'-hydro) Xyphenyl) propionate] methane, pentaerythryl tilite trax [3 — (3 ', 5, zy t-butyl-14, hydroxyphenyl) ,, 3,9bis [2-(3-1 (3-t butynole 4-hydroxy 1 5-methynolefenyl) propyl] PC orchid painting
- Onyloxy) 1,1,1-dimethylethyl] -12,4,8,10—Tetraoxaspiro [5,5] pandecan is preferably used.
- phosphorus-based antioxidants bis (2,6-g-tert-butyl-4-methynolephen) pentaerythritol monophosphite, bis (2 , 4-tert-butyl phenyl) pentaerythritol phosphite, bis (2,4-sigmyl fluorinole) pentaerythritol phosphite, tris ( 2,4-Gt-Pt-N-Phenylphenyl Phosphite, Tetrakis (2,4-Gt-T-Butylphenyl)-4,4,1-Bisphenylene Phosphite, G Stearyl pentaerythritol. Toluene diphosphite, triphenylenolephosphi
- those having a high melting point of the antioxidant are preferable in order to reduce volatilization and decomposition of the antioxidant in the compound of the polyester resin.
- bis (2,6-g-t-butyl-41-methyl-phenyl) penta-erythritol-free phosphate, bis (2,4-g-t-butyl-tin phenyl) penta-erythrene bis (2,4-g-t-butyl-tin phenyl) penta-erythrene
- the preferred phosphorous phosphates and bis (2,4-diamine phenol) pentaerythritol phosphates are preferably used.
- thermoplastic resin examples include a polyamide resin, a modified polyphenylene ether resin, a polysulfone resin, a polyarylsulfone resin, a polyketone resin, a polyetherimide resin, and a polyetherimide resin. Allyl resin, polyether sulfone resin, polyether ketone resin, polycarbonate 6198
- telketone resin examples include telketone resin, polyetheretherketone resin, polyimide resin, polyamideimide resin, and polytetrafluoroethylene resin.
- Coupling agents such as isocyanate-based compounds, organic silane-based compounds, organic titanate-based compounds, organic borane-based compounds, epoxy compounds, etc., polyalkylene oxide compounds, thioether-based compounds, ester-based compounds, Plasticizers such as organic phosphorus compounds, talc, kaolin, organic phosphorus compounds, crystal nucleating agents such as polyetheretherketone, waxes of montanic acid, and lithium stearate. , Metal stones such as aluminum stearate, etc., ethylenediamine.
- Stearic acid ⁇ Release agents such as sebacic acid doubled compound, silicone compounds, etc., and prevention of coloring of hypophosphorous acid etc. And other usual additives such as lubricants, UV inhibitors, coloring agents, flame retardants, and foaming agents.
- lubricants such as lubricants, UV inhibitors, coloring agents, flame retardants, and foaming agents.
- the polyester resin composition obtained by the method of the present invention can also be used by blending a filler within a range that does not impair the effects of the present invention.
- a filler include glass fiber, carbon fiber, titanic acid whiskers, zinc oxide whiskers, calcium carbonate whiskers, ⁇ ⁇ lastinite whiskers, aluminum borate whiskers, and ⁇ ala.
- Fibrous fillers such as mid fiber, aluminum fiber, silicon carbide fiber, ceramic fiber, asbestos fiber, stone fiber, metal fiber, etc., or talc, wallaceite, zeolite, cell fiber Silicates such as recite, my strength, kaolin, creed, pi fillite, bentonite, asbestos, aluminum silicate, silicon oxide, magnesium oxide, alumina, zirconium oxide, oxide Metal compounds such as titanium and iron oxide; carbonates such as calcium carbonate, magnesium carbonate and dolomite; calcium sulfate; Sulfates such as barium acid, calcium hydroxide, hydroxyl ( magnesium oxide, aluminum hydroxide)
- Non-fibrous fillers such as hydroxides, glass beads, glass flakes, glass powder, ceramic beads, boron nitride, silicon carbide, car-pump black silica, graphite, etc.
- the polyester resin composition of the present invention has a continuous phase (matrix) as shown in FIG. 1 in order to obtain a high balance of flexibility and impact resistance at low temperatures.
- the average particle diameter of the olefin-based resin forming the dispersed phase is 0.0
- the average particle diameter of the olefin-based resin forming the dispersed phase is 0.0. It must be between 1 and 2 ⁇ , preferably between 0.01 and l / im.
- the morphology of the polyester resin composition of the present invention is not limited to the form shown in FIG. 1, and the shape of the olefin resin particles may be non-circular such as polygonal or substantially elliptical. It doesn't matter.
- the dispersion of the olebuin-based resin becomes an aggregated form and the average particle diameter is larger than 2 m, it becomes difficult to obtain the low-temperature properties of the polyester resin composition, and the chemical resistance is reduced. It becomes a tendency. Further, when the polyester does not form a continuous phase, the fluidity / chemical resistance of the polyester resin composition of the present invention is reduced. When the polyester resin composition has the morphology described above, it has excellent low-temperature properties, and particularly excellent chemical resistance and fluidity.
- the average particle diameter of the olefin-based resin is defined as the ASTM No. 1 dumbbell piece formed from a polyester resin composition, and a thin piece of 0.1 ⁇ or less from the center ⁇
- ASTM No. 1 dumbbell piece formed from a polyester resin composition
- the polyester resin composition of the present invention comprises: (c) a PPS resin or
- the liquid crystalline resin has an average particle diameter of 1 to 100 II m and is dispersed in the polyester resin phase. Furthermore, it is preferably l to 80 nm, and most preferably 1 to 50 nm. By forming this morphology, chemical resistance is particularly excellent.
- (c) the structure in which the PPS resin or the liquid crystalline resin is extremely finely and uniformly dispersed dramatically improves the chemical resistance of the polyester resin.
- the amount of the carboxyl terminal group of the polyester resin is in the range of 30 to 80 eq / t.
- the ash content and the melt viscosity of the PPS resin are within the above-mentioned specific ranges.
- the polyester resin composition of the present invention preferably has a weight loss rate of 0 to 5% after immersion in hexafluoroisopropanol (hereinafter, referred to as HFIP) at 23 ° C for 1 hour. . If the weight loss rate is more than 5%, it is not preferable because the resistance to the drug is low and the application to the use in contact with the drug solution is restricted. In addition, a notched izod with a tensile breaking Iff elongation measured according to ASTM-D 638 of 20 to 400% and a temperature measured according to ASTM-D 256 at a temperature of 40 ° C.
- HFIP hexafluoroisopropanol
- the polyester resin composition of the present invention uses (a) poly (ethylene terephthalate) as the polyester resin, the difference in the calorimetric measurement from 300 ° C. to 20 ° C.
- the exothermic peak temperature (T mc) force observed when the temperature is measured is preferably 90 to 220 ° C, more preferably 1995 to 22 ° C. 0 ° C. Thereby, the molding workability during the injection molding is improved.
- the raw materials are a single-screw, a twin-screw extruder, a non-mixer, a kneader, and a mix glow.
- a typical example is a method in which the mixture is supplied to a melt kneader such as a mixer and kneaded at a processing temperature equal to or higher than the melting point of the polyester resin.
- a melt kneader such as a mixer
- the olefin-based resin it is necessary to make the shearing force relatively high, You need to shorten the time.
- the polyester resin can be used as a continuous phase while preventing aggregation of the olefin resin.
- the order of mixing the raw materials is not particularly limited, and is a method in which all the raw materials are blended and then melt-kneaded according to the above-mentioned method. Then, the remaining raw materials are blended and melt-kneaded.After blending some raw materials, the remaining raw materials are melted and kneaded by a single- or twin-screw extruder using a side feeder. Any method such as a method of mixing may be used. Further, as for the small amount of the additive component, it is of course possible to knead the other components by the above-mentioned method or the like to form a pellet, and then add the mixture before molding to provide for molding.
- the polyester resin composition of the present invention is particularly useful for injection molded articles because of its excellent impact resistance and fluidity. In particular, it has excellent flexibility and impact resistance in a low-temperature atmosphere, as well as excellent fluidity and chemical resistance. It is particularly suitable for use in metal insert molded articles.
- the polyester resin was dissolved in m-cresol, and the m-cresol solution was determined by potentiometric titration with an alkaline solution.
- the amount of carboxyl terminal groups was represented by the amount of terminal groups per tonne of polymer. .
- Heater temperature 280. C a mold temperature of 130 ° C.
- the polyester resin composition was injection molded to obtain an ASTM No. 1 dumbbell piece. From the center, a thin piece of less than 0.1 ⁇ was cut, observed with a transmission electron microscope, and evaluated as follows.
- the average particle diameter of the olefin-based resin In the measurement of the average particle diameter of the olefin-based resin, a thin section of a test piece obtained by injection molding was observed with a transmission electron microscope as in the morphological observation described above. Using an image processing soft "Scion Ima g e" for any variance part of Orefu fin-based resin 1 0 0 Ke specimens which had been observed at a magnification 10,000 times, the maximum and minimum diameters of each particle The measurement was performed to determine the average value. Thereafter, the value obtained by further averaging the average values of the 100 samples was defined as the average particle size. The diameters of the dispersed particles of the PPS and the liquid crystalline resin were determined in the same manner except that the observation was performed at an observation magnification of 100,000.
- the polyester resin composition was injection-molded in the same manner as above to prepare a test piece for Izod impact strength specified in ASTM-D256.
- the notched Izod impact strength (18 inch thickness) was measured according to ASTM-D256 except that the measurement temperature atmosphere was 140 ° C.
- a S T M No. 1 dumbbell pieces 60 After immersion in toluene for 24 hours, the surface of the dumbbell piece after immersion was observed with an optical microscope, and the presence or absence of surface roughness (such as voids) was measured.
- the surface roughness is 30% or less.
- the surface roughness is about 50%.
- the ASTM No. 1 dumbbell piece was immersed in oxafluoroisopropanol (HFI I) for 23 hours for 1 hour, and the weight before and after the immersion treatment was weighed and calculated.
- HFI I oxafluoroisopropanol
- Weight loss rate [(weight before treatment-weight after immersion treatment) ⁇ weight before treatment] X I 0 0 [%]
- a S ⁇ ⁇ No. 1 dumbbell piece was kept at 60 ° C and 95% RH at constant temperature and high humidity.
- the tensile elongation at break after the treatment for 300 hours was measured according to ASTM-D630.
- Ash content (% by weight) (Wash content (g) / Sample weight (g)) The ash content is calculated from X100.
- sample polymer amount about 8 mg, 300.
- exothermic peak temperature (T mc) was measured by scanning at a cooling rate of 20 ° C for Z minutes.
- Injection molding machine (Sumitomo Heavy Industries, Ltd. SG75H—MIV, cylinder temperature 280 ° C, mold temperature 130 ° C, ASTM No. 1 dumbbell piece
- the temperature was 260 ° C. for the cylinder temperature and 80 ° C. for the mold temperature.
- the amount was 0,021 mol.
- the obtained cake and ion-exchanged water (1 880 g) and calcium acetate monohydrate (Sigma Aldrich) (4 g) were charged into an autoclave equipped with a stirrer, and the inside of the autoclave was filled with nitrogen. After the substitution with, the temperature was raised to 192 ° C and maintained for 30 minutes. After that, the auto crepe was cooled and the contents were taken out.
- the resulting PPS is ash content 0 0 2 wt 0/0, the melt viscosity 4 0 P a 's (Ori full office 0 5 ⁇ XIO mm, 3 0 0 ° C, shear rate l OOO sec -.. 1 ), The amount of black mouth form extracted was 0.4%.
- the temperature was raised from 250 ° C to 300 ° C over 2 hours, reacted at 300 ° C for 1.5 hours, and then reacted at 300 ° C for 1.5 hours.
- the pressure was reduced to 5 mmHg, and the reaction was further performed for 10 minutes to carry out polymerization.
- the melting point composed of 72.5 molar equivalents of aromatic oxycarbonyl units, 7.5 molar equivalents of aromatic dioxy units, 20 molar equivalents of ethylenedioxy units, and 27.5 molar equivalents of aromatic dicarboxylic acid units was 26 Melt viscosity at 5 ° C, 275 ° C is 1
- a liquid crystalline resin (C-3) having 3 Pa ⁇ s (orifice 0.5 ⁇ 10 ⁇ , shear rate l OOO sec- 1 ) was obtained.
- the polyester resin composition was injection molded to prepare test pieces.
- the following antioxidants were added as needed at the time of melt-kneading.
- Table 1 shows the low-temperature properties and morphology of each sample. Examples are excellent in low-temperature properties (flexibility, impact resistance, etc.), fluidity, moldability, chemical resistance, etc., whereas comparative examples are inferior in low-temperature properties, fluidity, moldability, chemical resistance. Met.
- Polyester resins used in Examples and Comparative Examples are as follows.
- (A-1) Polyethylene terephthalate resin having an intrinsic viscosity of 0.59 and a carboxyl terminal group content of 49 eq / t.
- a polyethylene terephthalate resin having an intrinsic viscosity of 0.66 and a carboxyl end group content of 38 eq / t.
- (A-3) a polyethylene terephthalate resin having an intrinsic viscosity of 0.75 and a carboxyl end group content of 13 eq / t.
- (A-4) Polypropylene phthalate resin having an intrinsic viscosity of 0.70 and a carboxyl end group content of 35 eq / t.
- A-5) Polyethylene-1,2,6-naphthalene dicarboxylate resin having an intrinsic viscosity of 0,65 and a carboxyl terminal group content of 45 eqnot.
- the (b-l) functional group-containing olefin copolymer is as follows.
- Antioxidant The following two compounds were used.
- Phenol system 3,9-bis [2- (3— (3—t—butyl-4—hydroxy-5—methinolephenyl) propionyloxy) —1,1,1-methylethylethyl] 1,2,4 , 8, 10 — Tetraoxaspiro [5,5] indecane.
- Lin type Bis (2,4-Silk-Mil-Fourinole) Pentaerythritol-one-phosphite.
- (C-13, C-4) Liquid crystalline resin component described in the above reference example. After dry-blending each component used in Examples 1 to 13 at the respective ratios shown in Table 2, the following was used. Using a TEX 30 twin screw extruder manufactured by Steel Works, the cylinder temperature was set at 280 to 300, the mixture was melt-kneaded at a screw rotation of 200 rpm, and pelletized with a strand cutter. Injection molding machine (SG75H—MIV manufactured by Sumitomo Heavy Industries, Ltd., cylinder temperature 280 ° C, mold temperature 130 ° C) C, except that for the polybutylene terephthalate resin system, a test piece was prepared by injection molding the polyester resin composition at a mold temperature of 80 ° C).
- Table 2 shows the results of measuring the low-temperature properties and morphology of each sample. Examples are excellent in low-temperature properties (flexibility, impact resistance, etc.), fluidity, moldability, chemical resistance, etc., whereas Comparative Examples are inferior in low-temperature properties, fluidity, moldability, chemical resistance. Met.
- Liquid crystalline resin nm 62 55 70 65 45 59 50 51 75 47 52 68 210 77 190 160 380 Tensile elongation at break -40% 30 45 50 31 35 40 25 39 45 25 35 35-9 7 25 18 15 Izod impact strength — 40 .
- the present invention is suitable for injection molding which has excellent mechanical properties, particularly excellent flexibility and impact resistance under a low temperature atmosphere of as low as 140 ° C., and also has excellent fluidity and chemical resistance.
- a polyester resin composition is obtained.
- the polyester resin composition of the present invention is particularly useful for injection molded articles because of its excellent impact resistance and fluidity.
- it has excellent flexibility and impact resistance in a low-temperature atmosphere, as well as excellent fluidity and chemical resistance, so it can be used for general equipment, structures such as pipes and cases for automobiles, and electric and electronic equipment.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/555,208 US7608666B2 (en) | 2003-05-02 | 2004-04-28 | Polyester resin composition |
DE602004018304T DE602004018304D1 (de) | 2003-05-02 | 2004-04-28 | Polyesterharzzusammensetzung |
EP04730002A EP1621580B1 (en) | 2003-05-02 | 2004-04-28 | Polyester resin composition |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-127493 | 2003-05-02 | ||
JP2003127493 | 2003-05-02 | ||
JP2003-171292 | 2003-06-16 | ||
JP2003171167A JP4352773B2 (ja) | 2003-05-02 | 2003-06-16 | ポリエステル樹脂組成物 |
JP2003171292A JP2005023094A (ja) | 2003-05-02 | 2003-06-16 | ポリエステル樹脂組成物 |
JP2003-171167 | 2003-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004096912A1 true WO2004096912A1 (ja) | 2004-11-11 |
Family
ID=33424789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/006198 WO2004096912A1 (ja) | 2003-05-02 | 2004-04-28 | ポリエステル樹脂組成物 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7608666B2 (ja) |
EP (1) | EP1621580B1 (ja) |
AT (1) | ATE417078T1 (ja) |
DE (1) | DE602004018304D1 (ja) |
WO (1) | WO2004096912A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109863202A (zh) * | 2016-10-27 | 2019-06-07 | 住友化学株式会社 | 液晶聚酯树脂组合物 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101802667B (zh) * | 2007-09-19 | 2014-02-19 | 日立化成工业株式会社 | 光波导的制造方法以及由该制造方法所得到的光波导 |
JP5242150B2 (ja) * | 2007-12-21 | 2013-07-24 | ウィンテックポリマー株式会社 | 複合成形体 |
EP2317524B1 (en) * | 2008-07-29 | 2014-06-25 | The Furukawa Electric Co., Ltd. | Insulated wire |
US20110224386A1 (en) * | 2008-11-20 | 2011-09-15 | Martin Weber | Reactive polyarylene ether and method for the manufacture thereof |
JP6504817B2 (ja) | 2011-09-20 | 2019-04-24 | ティコナ・エルエルシー | 低ハロゲン含量のジスルフィド洗浄ポリアリーレンスルフィド |
JP5918855B2 (ja) | 2011-09-20 | 2016-05-18 | ティコナ・エルエルシー | ポリアリーレンスルフィド/液晶ポリマーアロイ及び、それを含む組成物 |
CN108102370A (zh) | 2011-09-20 | 2018-06-01 | 提克纳有限责任公司 | 低氯填充的熔融加工的聚芳硫醚组合物 |
JP6276692B2 (ja) | 2011-09-20 | 2018-02-07 | ティコナ・エルエルシー | ポータブル電子機器用のハウジング |
US8663764B2 (en) | 2011-09-20 | 2014-03-04 | Ticona Llc | Overmolded composite structure for an electronic device |
US9394430B2 (en) | 2012-04-13 | 2016-07-19 | Ticona Llc | Continuous fiber reinforced polyarylene sulfide |
CN104837923B (zh) * | 2012-11-15 | 2018-01-02 | 巴斯夫欧洲公司 | 生物可降解的聚酯混合物 |
JP6048131B2 (ja) * | 2012-12-27 | 2016-12-21 | 東レ株式会社 | 振動溶着用ポリブチレンテレフタレート樹脂組成物 |
JP2015166852A (ja) * | 2014-02-12 | 2015-09-24 | 株式会社リコー | 導電性樹脂ベルト、その製造方法及びそれを有する画像形成装置 |
US9862809B2 (en) | 2015-07-31 | 2018-01-09 | Ticona Llc | Camera module |
US10407605B2 (en) | 2015-07-31 | 2019-09-10 | Ticona Llc | Thermally conductive polymer composition |
TWI708806B (zh) | 2015-08-17 | 2020-11-01 | 美商堤康那責任有限公司 | 用於相機模組之液晶聚合物組合物 |
US10633535B2 (en) | 2017-02-06 | 2020-04-28 | Ticona Llc | Polyester polymer compositions |
WO2019112847A1 (en) | 2017-12-05 | 2019-06-13 | Ticona Llc | Aromatic polymer composition for use in a camera module |
EP3749710A1 (en) | 2018-02-08 | 2020-12-16 | Celanese Sales Germany GmbH | Polymer composite containing recycled carbon fibers |
WO2019164723A1 (en) | 2018-02-20 | 2019-08-29 | Ticona Llc | Thermally conductive polymer composition |
US11086200B2 (en) | 2019-03-20 | 2021-08-10 | Ticona Llc | Polymer composition for use in a camera module |
JP7461959B2 (ja) | 2019-03-20 | 2024-04-04 | ティコナ・エルエルシー | カメラモジュールのためのアクチュエータアセンブリ |
TWI771087B (zh) * | 2021-06-30 | 2022-07-11 | 南亞塑膠工業股份有限公司 | 耐衝擊聚酯材料 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62218442A (ja) * | 1986-03-20 | 1987-09-25 | Toray Ind Inc | 熱可塑性ポリエステル樹脂組成物 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5817148A (ja) * | 1981-07-24 | 1983-02-01 | Toray Ind Inc | ポリエステル組成物 |
JPH01190752A (ja) * | 1988-01-27 | 1989-07-31 | Nippon Petrochem Co Ltd | 熱可塑性樹脂組成物およびその製造方法 |
US5219941A (en) | 1992-03-16 | 1993-06-15 | Eastman Kodak Company | High impact polyester/ethylene copolymer blends |
US6221962B1 (en) * | 1992-05-29 | 2001-04-24 | Neste Oy | Liquid crystal polymer blends, process for the preparation thereof and products manufactured from the blends |
FI97476C (fi) * | 1992-05-29 | 1996-12-27 | Optatech Oy | Nestekidepolymeeriseokset, menetelmä niiden valmistamiseksi sekä niistä valmistetut tuotteet |
JPH11189640A (ja) * | 1997-10-23 | 1999-07-13 | Nippon Ester Co Ltd | ポリエステル樹脂とその製造法及び組成物 |
JP4154761B2 (ja) * | 1998-08-07 | 2008-09-24 | 東レ株式会社 | ポリエステル樹脂組成物 |
JP4354056B2 (ja) * | 1999-10-12 | 2009-10-28 | 株式会社 沖マイクロデザイン | 半導体集積回路 |
CN1211433C (zh) * | 1999-10-12 | 2005-07-20 | 东丽株式会社 | 树脂结构体及其用途 |
US20020091196A1 (en) | 2000-11-10 | 2002-07-11 | Sumitomo Chemical Company, Limited | Polyester resin composition |
DE10064336A1 (de) | 2000-12-21 | 2002-06-27 | Degussa | Polyesterformmasse |
-
2004
- 2004-04-28 EP EP04730002A patent/EP1621580B1/en not_active Expired - Lifetime
- 2004-04-28 US US10/555,208 patent/US7608666B2/en not_active Expired - Fee Related
- 2004-04-28 WO PCT/JP2004/006198 patent/WO2004096912A1/ja active Application Filing
- 2004-04-28 DE DE602004018304T patent/DE602004018304D1/de not_active Expired - Lifetime
- 2004-04-28 AT AT04730002T patent/ATE417078T1/de not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62218442A (ja) * | 1986-03-20 | 1987-09-25 | Toray Ind Inc | 熱可塑性ポリエステル樹脂組成物 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109863202A (zh) * | 2016-10-27 | 2019-06-07 | 住友化学株式会社 | 液晶聚酯树脂组合物 |
Also Published As
Publication number | Publication date |
---|---|
US20060178481A1 (en) | 2006-08-10 |
EP1621580A1 (en) | 2006-02-01 |
ATE417078T1 (de) | 2008-12-15 |
US7608666B2 (en) | 2009-10-27 |
DE602004018304D1 (de) | 2009-01-22 |
EP1621580A4 (en) | 2007-10-03 |
EP1621580B1 (en) | 2008-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2004096912A1 (ja) | ポリエステル樹脂組成物 | |
JP6439027B1 (ja) | 液晶ポリエステル樹脂組成物および成形体 | |
US20060025561A1 (en) | Liquid crystalline polyester resin composition | |
TW201925302A (zh) | 液晶聚酯樹脂組成物及成形體 | |
JP2019094489A (ja) | 液晶ポリエステル樹脂組成物および成形体 | |
JP2019094497A (ja) | 液晶ポリエステル樹脂組成物および成形体 | |
JP5277513B2 (ja) | 熱可塑性樹脂組成物およびその製造方法 | |
JP2010006858A (ja) | ポリフェニレンスルフィド樹脂組成物 | |
WO1990013596A1 (en) | High performance engineering polymer compositions | |
JPH11246654A (ja) | 液晶性ポリエステルの製造方法およびその成形品 | |
JP4352773B2 (ja) | ポリエステル樹脂組成物 | |
KR0175686B1 (ko) | 액정성 수지조성물 | |
JP2019073591A (ja) | 液晶ポリエステル樹脂組成物およびそれからなる成形品 | |
JP2699457B2 (ja) | 耐熱性樹脂組成物 | |
JP4724896B2 (ja) | 熱可塑性樹脂組成物および成形品 | |
JP4655315B2 (ja) | 熱可塑性樹脂組成物および成形品 | |
JP4834940B2 (ja) | 高誘電性樹脂組成物 | |
CN100383188C (zh) | 聚酯树脂组合物 | |
JP4701662B2 (ja) | ポリエステル樹脂組成物 | |
JP2007291222A (ja) | 二軸配向ポリアリーレンスルフィドフィルムおよび二軸配向ポリアリーレンスルフィドフィルムの製造方法 | |
JP2005023095A (ja) | ポリエステル樹脂組成物 | |
JP2700127B2 (ja) | 熱可塑性樹脂組成物 | |
JP4296640B2 (ja) | 熱可塑性樹脂組成物および成形品 | |
JP2005023094A (ja) | ポリエステル樹脂組成物 | |
JPH08134333A (ja) | 樹脂組成物の製造方法、それにより製造される樹脂組成物およびその成形品 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2004730002 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 20048119388 Country of ref document: CN |
|
ENP | Entry into the national phase |
Ref document number: 2006178481 Country of ref document: US Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10555208 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2004730002 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 10555208 Country of ref document: US |