WO1996007704A1 - Composition de resine de polycarbonate - Google Patents

Composition de resine de polycarbonate Download PDF

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Publication number
WO1996007704A1
WO1996007704A1 PCT/US1995/011435 US9511435W WO9607704A1 WO 1996007704 A1 WO1996007704 A1 WO 1996007704A1 US 9511435 W US9511435 W US 9511435W WO 9607704 A1 WO9607704 A1 WO 9607704A1
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weight
copolymer
resin composition
parts
resin
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PCT/US1995/011435
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Hiroshi Miyake
Chang Feng Liu
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General Electric Co
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General Electric Co
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Priority to EP95932454A priority Critical patent/EP0728161A1/fr
Publication of WO1996007704A1 publication Critical patent/WO1996007704A1/fr
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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
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Definitions

  • the present invention relates to a resin composition containing a polycarbonate resin.
  • PC resins and polymer alloys consisting of these resins with ABS (acrylonitrile-butadiene-styrene) resins blended in are widely used in electrical and electronic equipment, automated office equipment, etc.
  • ABS acrylonitrile-butadiene-styrene
  • requirements for smaller size and lighter weight have become increasingly more stringent, and a need has arisen for thinner walls of housings and cabinets.
  • new molding methods have been tried out, and improvements have also been made from the materials side.
  • low-molecular-weight polycarbonate has been used, ana attempts have been made to improve fluidity by increasing the mixing ratio of ABS resin and SAN resin (Japanese Laid-Open Patent No. 83-46269).
  • the purpose of the present invention is to provide a polycarbonate resin composition which allows thin-wall molding to be carried out while maintaining characteristics such as fluidity, chemical resistance, thermal resistance, and impact resistance.
  • the present invention also has the purpose of providing a polycarbonate resin composition with outstanding flame resistance.
  • the inventors of the present invention discovered that by setting the molecular weight of the polycarbonate resin forming the matrix to a set level or above, and by limiting the molecular weight of the aromatic vinyl/vinyl cyanide resin forming the dispersed phase, it was possible to obtain a resin composition having favorable chemical resistance and various other properties, particularly fluidity, thus arriving at the present invention.
  • the present invention provides a resin composition containing (A)
  • the polycarbonate resin used in the present invention is an aromatic polycarbonate produced by means of the well-known phosgene method or melt method (e.g., see Japanese Laid-Open Patent Publication No. 88-215763 and Japanese Laid-Open Patent Publication No. 90-124934.
  • diphenyl used as a raw material examples include 2,2-bis(4-hydroxyphenyl)propane (referred to as bisphenol A), 2,2-bis(3,5-dibromo-4-hydroxyphenyl)propane, 2,2-bis(3,5-dimethyl-4-hydroxyphenyl)propane, l,l-bis(4-hydroxyphenyl)cyclohexane, 1,1 -bis(3 ,5-dimethyl-4-hydroxyphenyl)cyclohexane, 1 , 1 -bis(4-hydroxyphenyl)decane,
  • bisphenol A 2,2-bis(4-hydroxyphenyl)propane
  • bisphenol A 2,2-bis(3,5-dibromo-4-hydroxyphenyl)propane
  • 2,2-bis(3,5-dimethyl-4-hydroxyphenyl)propane 2,2-bis(3,5-dimethyl-4-hydroxyphenyl)propane
  • Examples of precursor substances used to introduce the carbonate include phosgene and diphenyl carbonate.
  • the polycarbonate resin should have a viscosity average molecular weight (Mv) of 20,000 or above, and preferably 21,000 or above, with a weight of 22,000 or above being particularly preferred. If the molecular weight is excessively low, chemical resistance becomes poor. There are no particular restrictions on the upper limit of viscosity average molecular weight, but for practical purposes, this weight should be 40,000 or below.
  • ⁇ limiting viscosity
  • M molecular weight
  • component (B) is a copolymer containing (a) an aromatic vinyl monomer component and (b) a vinyl cyanide monomer component.
  • Component (B) contributes towards improving the moldability (fluidity) of the resin composition.
  • Examples of the (a) aromatic vinyl monomer component include styrene, ⁇ -methylstyrene, o-, m-, or p-methylstyrene, vinylxylene, monochlorostyrene, dichlorostyrene, monobromostyrene, dibromostyrene, fluorostyrene, p-tert-butylstyrene, ethylstyrene, and vinylnaphthalene, and these substances may be used alone or in combinations of two or more.
  • the preferred substances are styrene and ⁇ -methylstyrene.
  • Examples of (b) the vinyl cyanide monomer component include acrylonitrile and methacrylonitrile, and these substances may be used alone or in combinations of two or more. There are no particular restrictions on the composition ratio of these substances, and this should be selected depending on the application.
  • composition ratio of (a) (b) there are no particular restrictions on the composition ratio of (a) (b), and preferred amounts in component (B) are 95-50% by weight of (a) and 5-50% by weight of (b), with the amounts of 92-65% by weight of (a) and 8-35% by weight of (b) being particularly preferred.
  • SAN resin styrene-acrylonitrile copolymer
  • component (B) SAN resin (styrene-acrylonitrile copolymer)
  • copolymer component (B) There are no particular restrictions on the method of manufacturing the copolymer component (B), and any ordinary method such as block polymerization, melt polymerization, block suspension polymerization, suspension polymerization, and emulsion polymerization, may be used. Moreover, this copolymer may also be obtained by blending separately copolymerized resins.
  • the weight average molecular weight (Mw) of the copolymer of component (B) should be 30,000-110,000, and preferably 40,000-80,000. If the molecular weight of the copolymer of component (B) is below the aforementioned range, this will cause a decrease in physical properties, and if it is above the aforementioned range, fluidity will be impaired.
  • (C) is a copolymer containing (a) an aromatic vinyl monomer component, (b) a vinyl cyanide monomer component, and (c) a rubber polymer.
  • Examples of (a) the aromatic vinyl monomer component and (b) the vinyl cyanide monomer components are given above under the description of component (B).
  • the rubber polymer examples include random copolymers and block copolymers of polybutadiene, polyisoprene, and styrene-butadiene, hydrogenates of said block copolymers, diene rubbers such as acrylonitrile-butadiene copolymer and butadiene-isoprene copolymer, ethylene-propylene random copolymers and block copolymers, ethylene-butene random copolymers and block copolymers, copolymers of ethylene and ⁇ -olefins, copolymers of ethylene-unsaturated carboxylic acid esters such as ethylene-methacrylate and ethylene-butylacrylate, acrylic acid ester-butadiene copolymers, for example, acrylic flexible polymers such as butylacrylate-butadiene copolymer, copolymers of ethylene and fatty acid vinyl such as ethylene-vinyl acetate, ethylene-propylene non-
  • Examples of preferred rubber polymers include ethylene-propylene rubber, ethylene-propylene non-conjugated diene terpolymers, diene rubber, and acrylic flexible polymers, with polybutadiene and styrene-butadiene copolymer being particularly preferred, and the styrene content of this styrene-butadiene copolymer should preferably be 50% by weight or below.
  • the composition ratio of components (a) There are no particular restrictions on the composition ratio of components (a),
  • component (C) component (b), and (c) in component (C), and the various components are blended in depending on the application.
  • a (d) monomer which can be copolymerized with these components may be used in an amount which does not adversely affect the purpose of the present invention.
  • this copolymerizable monomer include ⁇ , ⁇ -unsaturated carboxylic acids such as acrylic acid and methacrylic acid, ⁇ ,B-unsaturated carboxylic acid esters such as methyl(meth)acrylate, ethyl(meth)acrylate, propyl(meth)acrylate, butyl(meth)acrylate, 2-ethyl(meth)acrylate, and 2-ethylhexylmethacrylate, ⁇ , ⁇ -unsaturated dicarboxylic acid anhydrides such as maleic anhydride and itaconic anhydride, and imide compounds of ⁇ , ⁇ -unsaturated dicarboxylic acids such as maleimide, N-methylmaleimide, N-ethylmale
  • the copolymer of component (C) should preferably be a graft copolymer, etc., formed by graft copolymerization of the other components in the presence of (c) a rubber polymer, with preferred resins being ABS resin (acrylonitrile-butadiene-styrene copolymer), AES resin (acrylonitrile-ethylene-propylene-styrene copolymer), ACS resin (acrylonitrile-chlorinated polyethylene-styrene copolymer), and AAS resin (acrylonitrile-acrylic flexible polymer-styrene copolymer).
  • ABS resin acrylonitrile-butadiene-styrene copolymer
  • AES resin acrylonitrile-ethylene-propylene-styrene copolymer
  • ACS resin acrylonitrile-chlorinated polyethylene-styrene copolymer
  • AAS resin acrylonitrile-acrylic flexible polymer-s
  • the aforementioned components (A), (B), and (C) are blended in the following ratio. Specifically, they are used in the amount of 90-10 parts by weight of (A), 1-50 parts by weight of (B), and 1-50 parts by weight of (C) with respect to a total of 100 parts by weight of (A)-(C), with amounts of 85-20 parts by weight of (A), 1-40 parts by weight of (B), and 1-30 parts by weight of (C) being preferred. If the amount of (A) is above the aforementioned range, fluidity is decreased, and if it is below the aforementioned range, thermal resistance decreases. If the amount of (B) is above the aforementioned range, this will cause a decrease in strength, and if it is below the aforementioned range, this will have a detrimental effect on fluidity. If the amount of
  • a composite rubber graft copolymer formed by grafting a vinyl monomer onto composite rubber containing polyorganosiloxane and polyalkyl(meth)acrylate may be blended into the resin composition of the present invention in order to improve flame resistance.
  • (D) is a composite rubber graft copolymer formed by graft polymerization of one or two or more vinyl monomers onto a composite rubber having a composite unified structure in which the polyorganosiloxane rubber component and the polyalkyl(meth)acrylate rubber component are mutually interlinked.
  • this composite rubber graft copolymer may be manufactured by methods such as that described in the specification of Japanese Laid-Open Patent Publication No. 89-79257. It is appropriate to manufacture this composite rubber by the method of emulsion polymerization.
  • latex should first be prepared from polyorganosiloxane rubber, the monomer for synthesizing alkyl(meth)acrylate rubber should then be used to impregnate rubber particles of polyorganosiloxane rubber latex, and the monomer for synthesis of alkyl(meth)acrylate rubber should then be polymerized.
  • the polyorganosiloxane rubber component may be prepared by emulsion polymerization using the following organosiloxane shown below and a cross-linking agent (I), and at this time, a graft crossing agent (I) may be used in combination.
  • organosiloxane is a chain organosiloxane such as dimethylsiloxane.
  • various cyclic organosiloxanes with 3 or more members, and preferably 3-6 members. Examples include hexamethylcyclotrisiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylchlorohexasiloxane, trimethyltriphenylcyclotrisiloxane, tetramethyltetraphenylcyclotetrasiloxane, and octaphenylcyclotetrasiloxane.
  • These organosiloxanes may be used alone or in mixtures of two or more. The amount thereof used should preferably be 50% by weight of the polyorganosiloxane rubber component, with a percentage of 70% by weight or above being particularly preferred.
  • a trifunctional or tetrafunctional silane cross-linking agent may be used as the cross-linking agent (I), with examples including trimethoxymethylsilane, triethoxyphenylsilane, tetramethoxysilane, tetraethoxysilane, tetra-n-propoxysilane, and tetrabutoxysilane. Tetrafunctional cross-linking agents are preferred, with tetraethoxysilane being particularly preferred. These cross-linking agents may be used alone or in combinations of two or more. The amount of the cross-linking agent used should preferably be 0.1 -30% by weight of the polyorganosiloxane rubber component.
  • the graft crossing agent (I) should be a compound which can form the units shown in the following formulas:
  • R 1 is a lower alkyl group such as a methyl group, ethyl group, or propyl group, or a phenyl group
  • R 2 is a hydrogen atom or methyl group
  • n is 0, 1, or 2
  • p is an integer from 1-6.
  • the (meth)acryloyloxysiloxane which can form the unit of the above formula (I- 1) has a high graft efficiency, it offers the advantages of allowing the formation of effective graft chains and showing high impact resistance.
  • methacryloyloxysiloxane is particularly preferred as the substance capable of forming the unit of formula (1-1).
  • methacryloyloxysiloxane examples include ⁇ -methacryloyloxyethyldimethoxymethylsilane, ⁇ -methacryloyloxypropylmethoxydimethylsilane, ⁇ -methacryloyloxypropyldimethoxymethylsilane, ⁇ -methacryloyloxypropyltrimethoxysilane, ⁇ -methacryloyloxypropylethoxydiethylsilane, ⁇ -methacryloyloxypropyldiethoxymethylsilane, and delta-methacryloyloxybutyldiethoxymethylsilane. These substances may be used alone or in combinations of two or more, and the amount of the crossing agent used should preferably be 0-10% by weight of the polyorganosiloxane rubber component.
  • Examples of methods which may be used to manufacture the latex of this polyorganosiloxane rubber component include the methods described in the specifications of U.S. Patents Nos. 2891920 and 3294725.
  • a sulfonic acid emulsifier such as alkylbenzene sulfonic acid or alkylsulfonic acid
  • Alkylbenzenesulfonic acid is ideal, as simultaneously with its action as an organosiloxane emulsifier, it acts as a polymerization starter. At this time, it is preferable to use a combination with a metal salt of alkylbenzenesulfonic acid, a metal salt of alkylsulfonic acid, etc., as this has the effect of allowing the stability of the polymer to be maintained during graft polymerization.
  • the polyalkyl(meth)acrylate rubber component making up the composite rubber may be synthesized using the following alkyi(meth)acrylate, a cross-linking agent (II) and a graft crossing agent (II).
  • alkyl(meth)acrylate examples include alkylacrylates such as methylacrylate, ethylacrylate, n-propylacrylate, n-butylacrylate, 2-ethylhexylacrylate and alkylmethacrylates such as hexylmethacrylate, 2-ethylhexylmethacrylate, and n-laurylmethacrylate, with the use of n-butylacrylate being preferred.
  • the cross-linking agent (II) examples include ethylene glycol dimethacrylate, propylene glycol dimethacrylate, 1,3-butylene glycol dimethacrylate, and 1,4-butylene glycol dimethacrylate.
  • graft crossing agent (II) examples include arylmethacrylate, triarylcyanurate, and triarylisocyanurate.
  • Arylmethacrylate may be used as a cross-linking agent.
  • These cross-linking agents and graft crossing agents may be used alone or in combinations of two or more.
  • the total amount of these cross-linking agents and graft crossing agents used should preferably be 0.1-20% by weight of the polyalkyl(meth)acrylate rubber component.
  • Polymerization of the polyalkyl(meth)acrylate rubber component is carried out by adding the aforementioned alkyl(meth)acrylate, a cross-linking agent, and a graft ⁇
  • a composite rubber should preferably be used in which the main skeleton of the polyorganosiloxane rubber component has a dimethylsiloxane repeated unit and the main skeleton of the polyaIkyl(meth)acrylate rubber component has a n-butylacrylate repeated unit.
  • the composite rubber prepared in this manner by emulsion polymerization may be graft copolymerized with a vinyl monomer.
  • the gel content of this composite rubber measured in 12-hour extraction at 90°C using triene should preferably be 80% by weight or above.
  • the ratio of the polyorganosiloxane rubber component and the polyalkyl(meth)acrylate rubber component in the aforementioned composite rubber should be 97-10% by weight of the latter with respect to 3-90% by weight of the former, and the average particle diameter of the composite rubber should preferably be 0.08-0.6 ⁇ m.
  • Examples of the vinyl monomer graft-polymerized onto the aforementioned composite rubber include various vinyl monomers, e.g., aromatic alkenyl compounds such as styrene, ⁇ -methylstyrene, and vinyl triene, methacrylate acid esters such as methyl methacrylate and 2-ethylhexylmethacrylate, acrylic acid esters such as methylacrylate, ethylacrylate, and butylacrylate, and vinyl cyanide compounds such as acrylonitrile and methacrylonitrile, and these substances may be used alone or in combinations of two or more. Methylmethacrylate is particularly preferred as the vinyl monomer.
  • the vinyl monomer should preferably be contained in the amount of 5-70% by weight with respect to 30-95% by weight of the aforementioned composite rubber.
  • the composite rubber graft copolymer (D) may be isolated and recovered by adding the aforementioned vinyl monomer to the aforementioned latex of the composite rubber, adding a composite rubber graft copolymer latex obtained by single-stage or multi-stage copolymerization through radical polymerization technology to hot water in which a metal salt such as calcium chloride or magnesium sulfate has been dissolved, and then carrying out salting out and solidification.
  • this type of composite rubber graft copolymer (D) may be commercially obtained in the form of Methaprene [transliteration uncertain] S-2001 from Mitsubishi Rayon Co., Ltd.
  • Component (D) should be mixed in in the amount of 0.5-40 parts by weight with respect to a total of 100 parts by weight of (A)-(C), with the amount of 0.5-30 parts by weight being more preferable.
  • amount of (D) is above the aforementioned range, there is a decrease in stiffness, and when it is below the aforementioned range, flame resistance tends to decrease.
  • the resin composition of the present invention may also contain a phosphoric ester component (E) in addition to the aforementioned components.
  • a phosphoric ester component is a compound expressed by the following formula: Chemical Formula 4
  • the organic group may be a substituted or non-substituted alkyl group, cycloalkyl group, aryl group, etc.
  • examples of the substituent include an alkyl group, alkoxy group, alkylthio group, halogen, aryl group, aryloxy group, arylthio group, or halogenated aryl group, or a group composed of a combination of these substituents, such as an arylalkoxyalkyl group, or a combined group produced by binding of these substituents to an oxygen atom, sul ⁇ ur atom, or nitrogen atom, such as an arylsulfylaryl group.
  • the organic group having a valence of 2 or above refers to a group having a valence of 2 or above obtained by removing one or more hydrogen atoms bound to a carbon atom from the aforementioned organic group.
  • examples include an alkylene group, or preferably, a (substituted) phenylene group, and substances derived from bisphenols such as polynuclear phenols, which contain two or more free atomic valences with an arbitrary relative geometry.
  • particularly preferred substances include hydroquinone, resorcinol, diphenylol methane, diphenylol dimethylmethane, dihydroxy diphenyl, p,p'-dihydroxydiphenyl sulfone, and dihydroxy naphthalene.
  • Examples of specific phosphoric ester compounds include trimethylphosphate, triethylphosphate, tributylphosphate, trioctylphosphate, tributoxyethylphosphate, triphenylphosphate, tricresylphosphate, cresylphenylphosphate, octyldiphenylphosphate, diisopropylphenylphosphate, tris(chloroethyl)phosphate, tris(dichloropropyl)phosphate, tris(chloropropyl)phosphate, bis(2,3-dibromopropyl)-2,3-dichloropropylphosphate, tris(2,3-dibromopropyl)phosphate, and bis(chloropropyl)monooctylphosphate, bisphenol A bisphosphate in which R'-R 4 indicate an alkoxy such as methoxy, ethoxy, or propoxy, or preferably, a (substituted)
  • the above component (E) should be added in the amount of 1-30 parts by weight with respect to a total of 100 parts by weight of components (A)-(C), with the amount of 3-20 parts by weight being preferred. If the amount of component (E) is too small, flame resistance will tend to be insufficient, and if it is too great, this will have a detrimental effect on thermal resistance.
  • the resin composition of the present invention may also contain a drip prevention agent.
  • Fluorinated polyolefins which may be used as this drip prevention agent may be commercially obtained or manufactured by a well-known method.
  • this drip-prevention agent may be a white solid obtained by polymerization of tetrafluoroethylene in an aqueous medium at a pressure of 100-1,000 psi and a temperature of 0-200 ⁇ C, and preferably, 20-100°C, while using a free radical catalyst, such as sodium, potassium, or aluminum peroxydisulfate.
  • a free radical catalyst such as sodium, potassium, or aluminum peroxydisulfate.
  • the resin in the form of relatively large particles, such as particles having an average diameter of 0.3-0.7 mm (chiefly 0.5 mm).
  • This is more favorable than the polytetrafluoroolefin powder ordinarily used, which has a particle diameter of 0.05-0.55 mm.
  • the reason why such substances having relatively large particle diameter are preferred is that they can be easily dispersed in the polymer, and they show a tendency to cause bonding among polymers, thus forming a fibrous material.
  • This kind of optimum polytetrafluoroolefin is referred to by the ASTM as Type 3, and it is actually commercially obtainable in the form of Teflon 6 from E.I. Dupont de Nemours and Company.
  • Fluorinated polyolefins should be used in the amount of 0.01-2 parts by weight with respect to 100 parts by weight of component (A), with an amount of 0.05-1.0 parts by weight being preferred.
  • additives at the time of mixing or molding, provided that these additives do not impair the physical properties of the invention, with examples including pigments, dyes, reinforcing agents (glass fibers, carbon fibers, etc.), fillers (carbon black, silica, titanium oxide, etc.), thermal resistance agents, antioxidants, weatherproofing agents, lubricants, mold-releasing agents, crystal nucleating agents, plasticizers, fluidity-improving agents, antistatic agents, etc.
  • the method used in manufacturing the resin composition of the present invention there are no particular restrictions on the method used in manufacturing the resin composition of the present invention, and any common method may be satisfactorily used. However, the melt mixing method is generally preferred. It is also possible to use small amounts of solvents, but these are generally not required. Specific examples of the equipment used include extruders, Banbury mixers, rollers, and kneaders, and these may be operated in either batch or continuous operation. There are no particular restrictions on the order of mixing in of the components.
  • SAN (1): SAN resin, trademark: SR 30B (manufactured by Ube Cycon K.K.), Mw 117,000.
  • ABS ABS resin, trademark.
  • UX 050 manufactured by Ube Cycon K.K.
  • Teflon 30J polytetrafluoroethylene, manufactured by Mitsui Dupont Fluorochemical Co.
  • Viscosity was measured at a temperature of 260°C and a shear rate of 1,500 seconds '1 using a capillary rheometer.
  • V-0 Average flame retention time after removal of ignition flame is 5 seconds or less, and no microparticle flame capable of igniting the absorbent cotton falls off of any of the samples.
  • V-I Average flame retention time after removal of ignition flame is 25 seconds or less, and no microparticle flame capable of igniting the absorbent cotton falls off of any of the samples.
  • V-II Average flame retention time after removal of ignition flame is 5 seconds or less, and microparticle flame capable of igniting the absorbent cotton falls off the samples.
  • UL-94 specifies that unless all of the test rods meet the requirements for a specified V class, they may not be assigned to said class. In cases where these conditions are not filled, the 5 test rods are assigned to the class of the test rod with the worst results. For example, in cases where one test rod is classified as V-II, the class for all 5 test rods is V-II.
  • Method A bar test
  • the test pieces were brought into contact with a burner 5 times, and the following items were observed: (1) combustion time and glowing time, (2) length of the bumed portion of the test piece, (3) the presence or absence of drips, and (4) deformation and physical strength. Moreover, the thickness of the test piece was 2.5 mm. Evaluation criteria for passing 5VB: after 5 applications of the test flame, none of the test pieces may show a combustion time or glowing time exceeding 60 seconds. Moreover, none of the test pieces may show drips.
  • the resin composition of the present invention shows an outstanding balance of properties such as fluidity, chemical resistance, thermal resistance, and impact resistance, and it also allows thin-wall molding. Moreover, by adding flame resistance agents, it is also possible to obtain a resin composition showing outstanding flame resistance. Accordingly, it can greatly contribute toward increasing miniaturization and lighter weight of various machines and can be used in applications such as housings and cabinets for compact, lightweight equipment such as notebook computers and lap top computers.

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  • 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)

Abstract

Composition de résine contenant (A) 90 à 10 parties en poids d'un polycarbonate d'un poids moléculaire moyen en viscosité d'au moins 20 000, (B) 1 à 50 parties en poids d'un copolymère cyanure de vinyle/vinyle aromatique d'un poids moléculaire moyen en poids compris entre 30 000 et 110 000, et (C) 1 à 50 parties en poids d'un copolymère du type caoutchouc polymère/cyanure de vinyle/vinyle aromatique. L'objet principal de cette invention est de produire une composition de résine de polycarbonate permettant d'effectuer un moulage à paroi mince sans entraîner la perte des caractéristiques telles que la fluidité, la résistance aux attaques chimiques, la résistance thermique et la résistance aux chocs.
PCT/US1995/011435 1994-09-09 1995-09-08 Composition de resine de polycarbonate Ceased WO1996007704A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95932454A EP0728161A1 (fr) 1994-09-09 1995-09-08 Composition de resine de polycarbonate

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6/240842 1994-09-09
JP24084294 1994-09-09
JP7/124493 1995-04-26
JP7124493A JPH08127686A (ja) 1994-09-09 1995-04-26 ポリカーボネート系樹脂組成物

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Publication Number Publication Date
WO1996007704A1 true WO1996007704A1 (fr) 1996-03-14

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EP (1) EP0728161A1 (fr)
JP (1) JPH08127686A (fr)
KR (1) KR100373384B1 (fr)
CN (1) CN1085997C (fr)
WO (1) WO1996007704A1 (fr)

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WO2000024829A1 (fr) * 1998-10-23 2000-05-04 General Electric Company Melanges de resines de polycarbonates/copolymeres greffes d'acrylonitrile-butadiene-styrene/styrene-acrylonitrile
EP2784132A4 (fr) * 2011-11-25 2015-10-28 Lg Chemical Ltd Mélange de résines
EP2801590A4 (fr) * 2011-11-25 2015-10-28 Lg Chemical Ltd Mélange de résines

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KR20010108802A (ko) * 2000-05-31 2001-12-08 안복현 웰드강도가 우수한 폴리카보네이트계 열가소성 수지조성물
KR100493459B1 (ko) * 2002-12-13 2005-06-07 현대엔지니어링플라스틱 주식회사 열가소성 수지 조성물
CN101591469B (zh) * 2009-06-15 2011-12-14 惠州市沃特新材料有限公司 一种导电聚碳酸酯模塑料及其制备方法
KR101154388B1 (ko) 2009-12-07 2012-06-15 금호석유화학 주식회사 저온충격성이 우수한 내열 내후성 열가소성 수지 조성물
JP2012177088A (ja) * 2011-02-04 2012-09-13 Toray Ind Inc 熱可塑性樹脂組成物およびその成形品
KR101409432B1 (ko) 2012-09-19 2014-06-18 롯데케미칼 주식회사 폴리카보네이트계 열가소성 수지 조성물 및 그로부터 제조된 물품
CN104497526B (zh) * 2014-12-10 2016-11-30 苏州新区佳合塑胶有限公司 一种高相容性pc/abs工程塑料
AU2017100888B4 (en) 2016-06-30 2018-03-22 Ptt Global Chemical Public Company Limited Polycarbonate composition with improved mechanical properties

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EP0363814A2 (fr) * 1988-10-12 1990-04-18 General Electric Company Mélanges de polycarbonate, de copolymère greffé et de copolymère rigide, résistant aux chocs à basse température
EP0488932A1 (fr) * 1990-11-29 1992-06-03 Bayer Ag Masses de moulage à base d'ABS
EP0570797A1 (fr) * 1992-05-21 1993-11-24 Bayer Ag Masses à mouler de polycarbonate et d'AB

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0363814A2 (fr) * 1988-10-12 1990-04-18 General Electric Company Mélanges de polycarbonate, de copolymère greffé et de copolymère rigide, résistant aux chocs à basse température
EP0488932A1 (fr) * 1990-11-29 1992-06-03 Bayer Ag Masses de moulage à base d'ABS
EP0570797A1 (fr) * 1992-05-21 1993-11-24 Bayer Ag Masses à mouler de polycarbonate et d'AB

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000024829A1 (fr) * 1998-10-23 2000-05-04 General Electric Company Melanges de resines de polycarbonates/copolymeres greffes d'acrylonitrile-butadiene-styrene/styrene-acrylonitrile
EP2784132A4 (fr) * 2011-11-25 2015-10-28 Lg Chemical Ltd Mélange de résines
EP2801590A4 (fr) * 2011-11-25 2015-10-28 Lg Chemical Ltd Mélange de résines
US9650510B2 (en) 2011-11-25 2017-05-16 Lg Chem, Ltd. Resin blend
US9650511B2 (en) 2011-11-25 2017-05-16 Lg Chem, Ltd. Resin blend

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EP0728161A1 (fr) 1996-08-28
KR100373384B1 (ko) 2003-05-12
JPH08127686A (ja) 1996-05-21
KR960705883A (ko) 1996-11-08
CN1135230A (zh) 1996-11-06
CN1085997C (zh) 2002-06-05

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