WO2006051686A1 - 熱可塑性樹脂組成物及び成形体 - Google Patents
熱可塑性樹脂組成物及び成形体 Download PDFInfo
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- WO2006051686A1 WO2006051686A1 PCT/JP2005/019550 JP2005019550W WO2006051686A1 WO 2006051686 A1 WO2006051686 A1 WO 2006051686A1 JP 2005019550 W JP2005019550 W JP 2005019550W WO 2006051686 A1 WO2006051686 A1 WO 2006051686A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L31/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
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- 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
- C08L67/08—Polyesters modified with higher fatty oils or their acids, or with resins or resin acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
Definitions
- the present invention relates to a thermoplastic resin composition.
- the present invention relates to a thermoplastic resin composition having high impact characteristics and high fluidity, and improved appearance defects such as pearly luster and jetting.
- thermoplastic resin composition can be used in electrical / electronic devices such as ⁇ A devices, information and communication devices, and home appliances, as well as in the automotive and architectural fields.
- Polycarbonate / polylactic acid alloys are attracting attention in terms of reducing environmental impact because polylactic acid is a plant-derived resin.
- Polycarbonate has low fluidity, but due to the high fluidity characteristic of polylactic acid, it is effective to increase the fluidity of polycarbonate by alloying.
- Polylactic acid is a resin that can be expected to be used even in fields that require flame retardant standards such as appliances and home appliances, due to the structure of polylactic acid, which is less likely to generate toxic gas even when alloyed with polycarbonate. is there.
- Polycarbonate Z polylactic acid alloy having pearl luster and excellent fluidity and thermal / mechanical properties is known, but there is still room for improvement in impact strength (for example, Patent Document 2). ).
- Polycarbonate / polyester alloy generally has an Izod impact strength of only a few kj / m 2 with conventional alloying technology, which generally has poor impact resistance.
- the impact resistance is improved by improving the compatibility of the polymer alloy. It is known to increase the interfacial strength of alloy.
- a bisphenol A type epoxy resin is used as a compatibilizer for a polycarbonate / polyamide polyether block copolymer (for example, Patent Document 3).
- an epoxy-modified styrene-butadiene-styrene copolymer (SBS) or a terpene-phenol resin is used as a compatibilizing agent in the polycarbonate Z styrene resin composition (for example, Patent Document 4).
- ABS acrylonitrile-butadiene-styrene block copolymer
- impact-resistant polystyrene resin etc. is also used to improve the impact resistance of polycarbonate alloy (for example, Patent Document 5).
- Polylactic acid which is a polyester, has excellent affinity with polycarbonate, but its impact resistance is limited due to its low impact resistance. For example, in the automotive field, it is necessary to improve impact resistance. Yes.
- Patent Document 1 Japanese Patent Publication No. 7-68445
- Patent Document 2 JP-A-7-109413
- Patent Document 3 Japanese Patent Laid-Open No. 7-26131
- Patent Document 4 Japanese Unexamined Patent Publication No. 2000-143912
- Patent Document 5 Japanese Unexamined Patent Publication No. 2000-169692
- the present invention improves the impact resistance without reducing the fluidity of the polycarbonate resin / fatty acid polyester alloy, and has poor appearance such as the occurrence of pearly luster or jetting.
- the purpose is to improve.
- thermoplastic resin composition in which a rubber-like elastic body is blended at a predetermined ratio into a resin mixture having a specific ratio of polycarbonate resin and fatty acid polyester power. And found that the present invention can be achieved.
- thermoplastic resin composition according to the above 1 or 2 which is a copolymer of polylactic acid and / or lactic acid and other hydroxycarboxylic acid,
- Rubber-like elastic force of component (B) The rubber-like elastic material containing at least one selected from polymethylmethacrylate, polyethylmethacrylate, polymethylacrylate, and polyethylacrylate : Thermoplastic resin composition according to any one of! To 3,
- thermoplastic resin composition according to any one of the above 1 to 4, wherein the rubber-like elastic body of the component (B) has an average particle size of 100 to 500 nm,
- thermoplastic resin composition according to any one of 1 to 5 above, which is used for office automation equipment, information communication equipment, automobile parts, or home appliances,
- thermoplastic resin composition according to any one of the above:!
- the impact resistance without lowering the fluidity of the polycarbonate resin Z fatty acid polyester is improved. Since the shape of the polyester domain is uniform and stabilized, appearance defects such as pearly luster and jetting are eliminated, and molding stability is improved. Furthermore, by using a polycarbonate polyonoreganosiloxane copolymer, impact resistance is improved and flame retardancy is also improved.
- FIG. 1 is a transmission electron micrograph of Example 2.
- FIG. 2 is a transmission electron micrograph of Example 6.
- thermoplastic resin composition of the present invention the force of the (a-1) component (a-1) component in the thermoplastic resin composition of the present invention is not limited. 1]
- R 1 and R 2 are each a halogen atom (for example, chlorine, fluorine, iodine) or an alkyl group having 1 to 8 carbon atoms (for example, a methyl group, an ethyl group, a propinole group, An isopropyl group, various butyl groups (n butyl group, isobutyl group, sec butyl group, tert butyl group), various pentyl groups, various hexyl groups, various heptyl groups, various octyl groups).
- halogen atom for example, chlorine, fluorine, iodine
- an alkyl group having 1 to 8 carbon atoms for example, a methyl group, an ethyl group, a propinole group, An isopropyl group, various butyl groups (n butyl group, isobutyl group, sec butyl group, tert butyl group), various pentyl groups, various
- n and n are each an integer of 0 to 4.
- R 1 may be the same or different from each other
- R 2 is They may be the same or different from each other.
- Z is an alkylene group having 1 to 8 carbon atoms or an alkylidene group having 2 to 8 carbon atoms (for example, a methylene group, an ethylene group, a propylene group, a butylene group, a pentylene group, a hexylene group, an ethylidene group, an isopropylidene group).
- Etc. carbon number 5 to: 15 cycloalkylene group or carbon number 5 To 15 cycloalkylidene groups (for example, cyclopentylene group, cyclohexylene group, cyclopentylidene group, cyclohexylidene group, etc.) or a single bond, SO—, mono-SO—
- the polymer is usually represented by the general formula (3)
- a known acid acceptor and molecular weight adjustment It can be produced by the reaction of divalent phenol with a carbonate precursor such as phosgene in the presence of an agent. It can also be produced by a transesterification reaction between a divalent phenol and a carbonate precursor such as a carbonate ester compound.
- divalent phenols other than bisphenol A examples include bis (4-hydroxyphenyl) methane; 1,1-bis (4-hydroxyphenyl) ethane; 1,2-bis (4-hydroxyphenyl) ethane.
- Bis (4-hydroxyphenyl) alkane such as 1,1-bis (4-hydroxyphenyl) cyclohexane;
- Bis (4-hydroxyphenyl) such as 1,1_bis (4-hydroxyphenyl) cyclodecane Cycloalkane, 4,4'-dihydroxydiphenyl, bis (4-hydroxyphenyl) oxide, bis (4-hydroxyphenyl) sulfide, bis (4-hydroxyphenyl) sulfone, bis (4-hydroxyphenyl) Nole) sulfoxide, bis (4-hydroxyphenyl) ketone and the like.
- hydroquinone etc. are mentioned as a bivalent phenol.
- divalent phenols may be used alone or in combination of two or more.
- Examples of the carbonate compound include diaryl carbonates such as diphenyl carbonate, and dialkyl carbonates such as dimethyl carbonate and jetyl carbonate.
- the polycarbonate resin may be a homopolymer using one of the above divalent phenols, or may be a copolymer using two or more.
- thermoplastic random branched polycarbonate resin obtained by using a polyfunctional aromatic compound in combination with the above divalent phenol may be used.
- the polyfunctional aromatic compound is generally referred to as a branching agent. Specifically, 1, 1, 1-tris (4-hydroxyphenenole) ethane, ⁇ , '', "" tris (4— Hydroxyphenyl) 1, 1, 5, 5-triisopropylbenzene, 1- [4'-hydroxyphenyl] Til] —4— [ ⁇ ′, ⁇ ′- bis (4 ”-hydroxyphenyl) ethinole] benzene, phloroglucin, trimellitic acid, isatin bis (o-cresol) and the like.
- Polycarbonate resins having such characteristics are commercially available as aromatic polycarbonate resins such as Taflon FN3000A, FN 2500A, FN2200A, FN1900A, FN1700A, and FN1500A (trade name, manufactured by Idemitsu Kosan Co., Ltd.). Les.
- the polycarbonate resin used in the present invention is not only a homopolymer produced using only the above divalent phenol, but also a polycarbonate-polyorganosiloxane copolymer (hereinafter referred to as PC-POS copolymer). (This may be abbreviated.) This increases the impact resistance and also improves the flame retardancy.
- PC-POS copolymer a polycarbonate-polyorganosiloxane copolymer
- PC-POS copolymers there are various types of PC-POS copolymers.
- the following general formula (1) the following general formula (1)
- R 3 , R 4 and R 5 are each a hydrogen atom, an alkyl group having 1 to 5 carbon atoms (for example, a methyl group, an ethyl group, a propyl group, an n-butyl group, an isobutyl group, etc.)
- P and q are each an integer of 0 or 1
- the sum of forces p and q is an integer of 1 or more.
- the degree of polymerization of the polycarbonate part is preferably 3 to 100, and the degree of polymerization of the polyorganosiloxane part is preferably 2 to 500.
- the PC-POS copolymer includes a polycarbonate part having a repeating unit represented by the general formula (1) and a polyonoleganosyloxy having a repeating unit represented by the general formula (4).
- a block copolymer comprising a sun part.
- Such a PC-POS copolymer has, for example, a polycarbonate oligomer (hereinafter abbreviated as a PC oligomer) constituting a polycarbonate part produced in advance, and a reactive group at the terminal constituting the polyorganosiloxane part.
- a PC oligomer e.g, polydimethylsiloxane (PDMS), polydialkylsiloxane such as polyjetylsiloxane or polymethylphenol siloxane
- a solvent such as methylene chloride, black benzene, black mouth form, etc.
- It can be prepared by dissolving, dissolving a sodium hydroxide aqueous solution of bisphenol, using triethylamine or trimethylbenzyl ammonium chloride as a catalyst, and subjecting it to an interfacial polycondensation reaction.
- PC-POS copolymer produced by the method described in Japanese Patent Publication No. 44-30105 can be used.
- the PC oligomer having a repeating unit represented by the general formula (1) is a solvent method, that is, in the presence of a known acid acceptor and molecular weight regulator in a solvent such as methylene chloride. It can be easily produced by reacting a divalent phenol represented by the formula (3) with a carbonate precursor such as phosgene or a carbonate ester compound.
- a reaction between a divalent phenol and a carbonate precursor such as phosgene, or a divalent phenol and a carbonate ester compound in the presence of a known acid acceptor or molecular weight regulator, a reaction between a divalent phenol and a carbonate precursor such as phosgene, or a divalent phenol and a carbonate ester compound. It can be produced by a transesterification reaction with such a carbonate precursor.
- the carbonate compound the same ones as described above can be used, and as the molecular weight adjusting agent, the same ones as described later can be used.
- the PC oligomer used for the production of the PC-POS copolymer may be a homopolymer using one of the above divalent phenols, or may be a copolymer using two or more. It may be.
- thermoplastic random branched polycarbonate resin obtained by using a polyfunctional aromatic compound in combination with the above divalent phenol may be used.
- polycarbonate resin used in the present invention may be represented by the general formula (5)
- R 6 represents an alkyl group having 1 to 35 carbon atoms, and a represents an integer of 0 to 5.
- R 6 is an alkyl group having 1 to 35 carbon atoms, and may be linear or branched.
- the bond position may be any of the p-position, m-position and o-position, but the p-position is preferred.
- the polycarbonate resin of the general formula (5) can be easily produced by reacting divalent phenol with phosgene or an ester carbonate compound.
- the divalent phenol may be the same as or different from the compound represented by the general formula (3).
- it may be a homopolymer using one kind of the above divalent phenol or a copolymer using two or more kinds.
- thermoplastic random branched polycarbonate resin obtained by using a polyfunctional aromatic compound in combination with the above divalent phenol may be used.
- the carbonate compound include diaryl carbonates such as diphenyl carbonate and dialkyl carbonates such as dimethyl carbonate and jetyl carbonate.
- a phenol compound in which the terminal group represented by the general formula (5) is formed may be used.
- alkylphenols include phenol, p_cresol, p_tert-butenourenool, ⁇ -tert-octylphenol, p_tamylphenol, p-nonylphenol, docosylphenol, tetracosylphenol, Xacosylphenol, octacosylphenol, triacontylphenol, dotriacontylphenol, tetratriacontylphenol and the like can be mentioned.
- These may be one kind or a mixture of two or more kinds.
- alkylphenols may be used in combination with other phenolic compounds as long as the effects are not impaired.
- the polycarbonate resin produced by the above-described method has a terminal group represented by the general formula (5) at one end or both ends of the molecule.
- the polycarbonate resin used as the component (a-1) usually has a viscosity average molecular weight of 10,000 to 40,000.
- the resulting thermoplastic resin composition has sufficient heat resistance and mechanical properties
- the viscosity average molecular weight is 40,000 or less
- the obtained thermoplastic resin composition has sufficient heat resistance and mechanical properties. This is because the moldability of the resin composition is improved.
- the viscosity average molecular weight of the polycarbonate resin is more preferably 14,000-25,000, and even more preferably 15,000-22,000.
- thermoplastic resin composition of the present invention polylactic acid or a copolymer of lactic acid and hydroxycarboxylic acid can be preferably used as the fatty acid polyester as the component (a_2) in the component (A).
- Polylactic acid is synthesized by ring-opening polymerization from a cyclic dimer of lactic acid, commonly called lactide, and the production method thereof is described in US Pat. No. 1,995,970, US Pat. No. 2,362,51 1 It is disclosed in the specification, US Pat. No. 2,683,136.
- Copolymers of lactic acid and other hydroxycarboxylic acids are usually synthesized by ring-opening polymerization from a cyclic ester intermediate of lactide and hydroxycarboxylic acid, and the production method thereof is described in US Pat. No. 3,635,956. U.S. Pat. No. 3,797,499 and the like.
- lactic acid and other hydroxycarboxylic acid if necessary, preferably an organic solvent, particularly a vinyl ether solvent. It is suitable for the present invention by carrying out azeotropic dehydration condensation in the presence, and polymerizing by a method of removing the solvent power water distilled by azeotropy and returning the substantially anhydrous solvent to the reaction system.
- a lactic acid resin having a polymerization degree can be obtained.
- any of L and D lactic acid, a mixture thereof, or lactide which is a dimer of lactic acid can be used.
- hydroxycarboxylic acids that can be used in combination with lactic acids include glycolic acid, 3_hydroxybutyric acid, 4-hydroxybutyric acid, 4-hydroxyvaleric acid, 5-hydroxyvaleric acid, 6_hydroxycaproic acid, etc.
- Cyclic ester intermediates of hydroxycarboxylic acids such as glycolide, a dimer of glycolic acid, and ⁇ -force prolatatone, a cyclic esterole of 6-hydroxycaproic acid, can also be used.
- lactic acids and hydroxycarboxylic acids as copolymer components can be used alone or in combination of two or more, and two or more of the obtained lactic acid resins may be mixed and used.
- the fatty acid polyester of the component (a_2) of the present invention preferably has a weight average molecular weight of 30,000 or more, preferably having a high molecular weight from the viewpoint of thermal properties and mechanical properties.
- the fatty acid polyester is preferably polylactic acid from the viewpoint of durability and rigidity.
- the content ratio of the polycarbonate resin of the component (a-1) and the fatty acid polyester of the component (a-2) is The mass ratio is 45:55 to 97: 3, preferably 60:40 to 90:10.
- thermoplastic resin composition of the present invention has good mechanical strength, heat resistance and fluidity.
- the rubber-like elastic body of the component (B) is blended for improving impact resistance, and improves impact resistance and fatty acid polyester, particularly polylactic acid domain. From the viewpoint of shape stability, a core-shell type graft rubber-like elastic body is preferably used.
- the graft rubber-like elastic body preferably has an acrylic structure having a high affinity for polylactic acid in the shell in order to selectively disperse it in the fatty acid polyester, particularly in the polylactic acid domain.
- the average particle diameter of the rubber-like elastic body is 100 to 500 nm, preferably 200 to 400 nm.
- the average particle size of the rubber-like elastic body is within the above range, the dispersibility is excellent and the effect of improving the impact resistance is great.
- the core-shell type elastic rubber body has a two-layer structure composed of a core and a shell.
- the core portion is in a soft rubber state
- the shell portion on the surface thereof is in a hard resin state
- the graft rubber-like elastic body itself is in the form of powder (particle state).
- the body is preferably used.
- the core-shell type graft rubber-like elastic body is, after melt blended with a resin mixture composed of a polycarbonate resin and a fatty acid polyester, the particle state remains largely in its original form. It uniformly disperses at the interface or in the polylactic acid domain and stabilizes the shape of the polylactic acid domain, eliminating the appearance defects such as pearly luster and the occurrence of jetting.
- This core-shell type graft rubber-like elastic material is, for example, the presence of one or more graft rubber-like polymers obtained from monomers mainly composed of alkyl acrylate, alkyl methacrylate, and dimethylsiloxane.
- graft rubber-like polymers obtained from monomers mainly composed of alkyl acrylate, alkyl methacrylate, and dimethylsiloxane.
- polymerizing 1 type (s) or 2 or more types of bur type monomers, such as styrene is used suitably.
- alkyl acrylates and alkyl methacrylates include those having an alkyl group having 2 to 10 carbon atoms such as methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, and acrylic acid.
- alkyl group having 2 to 10 carbon atoms such as methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, and acrylic acid.
- Those obtained using n-octyl, methyl methacrylate, ethyl methacrylate, butyl methacrylate, 2-ethylhexyl methacrylate, n-octyl methacrylate and the like are particularly preferred.
- Those obtained using methyl, ethyl acrylate, methyl methacrylate, or ethyl methacrylate are preferred.
- Elastomers obtained using monomers mainly composed of these alkyl acrylates include alkyl acrylates of 70% by weight or more, and bulle monomers copolymerizable therewith, such as methyl methacrylate, acrylonitrile, vinyl acetate, a copolymer obtained by styrene and is reacted in a proportion of under 30 weight 0/0 or less is preferably used.
- a polyfunctional compound such as dibutenebenzene, ethylene dimetatalylate, trialinoreocyanurate, triarinoreisocyanurate.
- aromatic butyl compounds such as styrene and monomethyl styrene, acrylic acid esters such as methyl acrylate and ethyl acrylate, and methyl methacrylates such as methyl methacrylate and ethyl methacrylate.
- acrylic acid esters such as methyl acrylate and ethyl acrylate
- methyl methacrylates such as methyl methacrylate and ethyl methacrylate.
- bulur monomers such as acrylonitrile and It may be obtained by copolymerizing vinyl cyanide compounds such as ronitrile, vinyl ester compounds such as vinyl acetate and vinyl propionate.
- polymers and copolymers those obtained by various methods such as bulk polymerization, suspension polymerization, and emulsion polymerization are used, and among them, those obtained by emulsion polymerization are particularly preferred. Used for.
- the core As a graft rubber-like elastic body shell type acrylic acid n_ butyl polymer 60 to 80 weight 0/0, the graph of styrene and methyl methacrylate in a proportion of 20 to 40 weight 0/0 A copolymerized MAS resin elastic body is used.
- polysiloxane rubber component 5-95 weight 0/0 and poly (meth) Atari rate rubber component 5-95% by weight and an average particle diameter of 0.. 01 to 1 mu m having mutually entangled structure inseparably It is also possible to use a composite rubber-based graft copolymer obtained by graft-copolymerizing at least one type of bulle monomer to a composite rubber of a certain degree.
- Core-shell type graft rubber-like elastic bodies having these various forms are commercially available products such as KM-357P (Rohm and Haas), Metaprene W450A, Metaprene W52 9, Metaprene S2001, Metaprene C223, KS3406. [Mitsubishi Rayon Co., Ltd.].
- a rubbery elastic material such as a polyamide / polyether block copolymer is not preferable because it does not have a core-shell structure and has a large shape factor on impact resistance.
- the amount of the rubber elastic body of component (B) is 0.5 to 20 parts by weight, preferably 1 to 15 parts by weight, more preferably 100 parts by weight of the resin mixture of component (A). Is 3 to 10 parts by mass. When the blending amount is within the above range, impact resistance is improved without affecting the fluidity improving effect of polylactic acid.
- this invention also provides the molded object which consists of the said resin composition.
- the thermoplastic resin composition of the present invention comprises the above components (a-1), (a-2) and (B), and other components as necessary, and knead.
- This blending and kneading can be performed by a commonly used method such as a ribbon blender, a hench mixer, a Banbury mixer, a drum tumbler, a single screw extruder, a twin screw extruder, a kneader, a multi screw extruder. This can be done by using a machine or the like.
- the heating temperature for kneading is usually selected in the range of 220 to 260 ° C.
- the molding temperature of the thermoplastic resin composition of the present invention is also usually selected in the range of 220 to 260 ° C.
- this sodium hydroxide aqueous solution of bisphenol A maintained at room temperature was introduced at a flow rate of 138 L / hour and methylene chloride at a flow rate of 69 L / hour through a orifice reactor into a tubular reactor having an inner diameter of 10 mm and a tube length of 10 m.
- phosgene was co-flowed and blown at a flow rate of 10.7 kg / hour and reacted continuously for 3 hours.
- the tubular reactor used here was a double tube, and the cooling temperature of the reaction solution was maintained at 25 ° C through the jacket portion through cooling water.
- the pH of the effluent was adjusted to be 10 to 11:
- the degree of polymerization of the obtained PC oligomer was 2 to 4, and the concentration of black mouth formate group was 0.7 mol / L.
- the mixture was stirred for 3 hours while maintaining the temperature at 90 to 115 ° C.
- the product was dried over anhydrous sodium sulfate and the solvent was distilled off to a temperature of 115 ° C in vacuo.
- the number of repeating dimethylsilanoxy units was 30 by NMR measurement.
- the obtained PC-PDMS copolymer was vacuum-dried at 120 ° C for 24 hours.
- the viscosity average molecular weight was 17,000, and the PDMS content was 4.0% by mass.
- the PDMS content was determined by the following method.
- the alkyl group of the resulting alkylphenol (a) had 22 carbon atoms.
- this aqueous solution of bisphenol A in sodium hydroxide kept at room temperature at a flow rate of 138 liter / hour and methylene chloride at a flow rate of 69 liter / hour into a tubular reactor with an inner diameter of 10 mm and a tube length of 10 m. It was introduced through an orifice plate, and phosgene was co-flowed therethrough and blown at a flow rate of 10.7 kg / hour, and the reaction was continued for 3 hours.
- the tubular reactor used here was a double tube, and the cooling temperature of the reaction solution was maintained at 25 ° C through the jacket portion through cooling water.
- the pH of the effluent was adjusted to be 10 to 11:
- the degree of polymerization of the PC oligomer obtained here was 2 to 4, and the concentration of the black mouth formate group was 0.7 monolayer / L.
- the PC oligomer 10 liters obtained in the above (2) was placed in a container with stirring having an internal volume of 50 liters, and 249 g of the alkylphenol (a) obtained in the above (Example 1) was dissolved therein.
- an aqueous sodium hydroxide solution 53 g of sodium hydroxide, 1 liter of water
- 5.8 ml of triethylamine were added, and the mixture was stirred for 1 hour at 300 rpm to be reacted.
- the obtained organic phase was washed with 5 liters of alkali (0.03 mol / L_NaOH), 5 liters of acid (0.2 mol / L_hydrochloric acid) and 5 liters of water (twice) in this order.
- the viscosity average molecular weight was 17,500.
- Each component is blended in the proportions shown in Table 1-11 and Table 1-12, supplied to a vented twin screw extruder (Model name: TEM35, manufactured by Toshiba Machine Co., Ltd.), melt-kneaded at 240 ° C, Pereztoy dressed up.
- a vented twin screw extruder Model name: TEM35, manufactured by Toshiba Machine Co., Ltd.
- phosphorus antioxidants manufactured by Asahi Denshi Co., Ltd., trade name ADK STAB PEP36
- phenolic antioxidants manufactured by Ciba Specialty Chemicals, Inc.
- Rubber-like elastic body 1 Acrylic / butyl acrylate elastomer; W450A, manufactured by Mitsubishi Rayon Co., Ltd.
- Rubber-like elastic body 1 Dulcidyl metatalylate-modified elastomer; KS3406, manufactured by Mitsubishi Rayon Co., Ltd.
- Rubbery elastic material 3: Polyamide Z polyether block copolymer; PEBAX4011
- the core-shell type rubber-like elastic body is considered to have a large impact resistance improvement effect, and its blending amount may be small.
- the shape of the polylactic acid domain which has a low impact resistance improvement effect at the same blending amount, is not stabilized, and thus, due to poor fluidity, jetting occurs.
- thermoplastic resin composition having high impact characteristics and high fluidity, and having no appearance defects such as pearly luster and occurrence of jetting
- this thermoplastic resin composition is It can be used for electrical / electronic equipment such as A equipment, information / communication equipment, home appliances, automobiles, and architecture.
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US11/718,895 US8198366B2 (en) | 2004-11-09 | 2005-10-25 | Thermoplastic resin composition and molded body |
DE112005002727T DE112005002727T5 (de) | 2004-11-09 | 2005-10-25 | Thermoplastische Harzzusammensetzung und Formkörper |
CN2005800383794A CN101056941B (zh) | 2004-11-09 | 2005-10-25 | 热塑性树脂组合物以及成型体 |
KR1020077010465A KR101278749B1 (ko) | 2004-11-09 | 2005-10-25 | 열가소성 수지 조성물 및 성형체 |
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JP2004325001A JP5053507B2 (ja) | 2004-11-09 | 2004-11-09 | 熱可塑性樹脂組成物及び成形体 |
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US (1) | US8198366B2 (ja) |
JP (1) | JP5053507B2 (ja) |
KR (1) | KR101278749B1 (ja) |
CN (1) | CN101056941B (ja) |
DE (1) | DE112005002727T5 (ja) |
TW (1) | TWI397554B (ja) |
WO (1) | WO2006051686A1 (ja) |
Cited By (3)
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JP2008303320A (ja) * | 2007-06-08 | 2008-12-18 | Sumitomo Bakelite Co Ltd | 電子機器向けポリ乳酸系難燃薄物シート |
US8133943B2 (en) * | 2008-12-19 | 2012-03-13 | Cheil Industries Inc. | Polylactic acid/polycarbonate resin composition and molded product using the same |
US8835558B2 (en) | 2008-12-19 | 2014-09-16 | Cheil Industries Inc. | Polylactic acid/polycarbonate resin composition and molded product made using the same |
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JP5177940B2 (ja) * | 2004-12-08 | 2013-04-10 | 出光興産株式会社 | 熱可塑性樹脂組成物及び成形体 |
WO2006123608A1 (ja) * | 2005-05-16 | 2006-11-23 | Mitsubishi Rayon Co., Ltd. | 熱可塑性樹脂組成物 |
JP5011690B2 (ja) * | 2005-09-16 | 2012-08-29 | 富士通株式会社 | 樹脂筐体及びその製造方法 |
US20100189986A1 (en) | 2007-07-12 | 2010-07-29 | Fujifilm Corporation | Injection-molded article of a fiber-reinforced polylactic acid resin |
JP5337363B2 (ja) * | 2007-10-11 | 2013-11-06 | 出光興産株式会社 | 芳香族ポリカーボネート樹脂組成物及びその成形品 |
JP5342804B2 (ja) * | 2008-05-07 | 2013-11-13 | 出光興産株式会社 | 芳香族ポリカーボネート樹脂組成物およびその成形体 |
KR100962387B1 (ko) * | 2008-06-05 | 2010-06-10 | 제일모직주식회사 | 폴리유산 수지 조성물 |
JP5097982B2 (ja) * | 2008-07-25 | 2012-12-12 | 株式会社シード | 研磨材入り字消し |
JP5846964B2 (ja) * | 2012-02-28 | 2016-01-20 | 出光興産株式会社 | 電流遮断器筐体及びこれを用いた電流遮断器 |
CN104508043B (zh) * | 2012-07-31 | 2016-11-23 | 帝人株式会社 | 树脂组合物和由其形成的成型品 |
JP6098312B2 (ja) * | 2013-04-10 | 2017-03-22 | ユーエムジー・エービーエス株式会社 | ポリ乳酸系熱可塑性樹脂組成物及びその成形品 |
KR101864159B1 (ko) * | 2016-11-29 | 2018-06-05 | 주식회사 삼양사 | 우수한 접착성을 가진 친환경 폴리카보네이트 수지 조성물 |
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- 2005-10-25 CN CN2005800383794A patent/CN101056941B/zh not_active Expired - Fee Related
- 2005-10-25 KR KR1020077010465A patent/KR101278749B1/ko active IP Right Grant
- 2005-10-25 US US11/718,895 patent/US8198366B2/en active Active
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US8835558B2 (en) | 2008-12-19 | 2014-09-16 | Cheil Industries Inc. | Polylactic acid/polycarbonate resin composition and molded product made using the same |
Also Published As
Publication number | Publication date |
---|---|
KR101278749B1 (ko) | 2013-06-25 |
CN101056941A (zh) | 2007-10-17 |
US20080108754A1 (en) | 2008-05-08 |
CN101056941B (zh) | 2011-01-12 |
DE112005002727T5 (de) | 2007-09-27 |
TWI397554B (zh) | 2013-06-01 |
JP5053507B2 (ja) | 2012-10-17 |
TW200628545A (en) | 2006-08-16 |
US8198366B2 (en) | 2012-06-12 |
KR20070084077A (ko) | 2007-08-24 |
JP2006131828A (ja) | 2006-05-25 |
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