WO2002006401A1 - Composition de résine de polycarbonate - Google Patents

Composition de résine de polycarbonate Download PDF

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Publication number
WO2002006401A1
WO2002006401A1 PCT/JP2001/005975 JP0105975W WO0206401A1 WO 2002006401 A1 WO2002006401 A1 WO 2002006401A1 JP 0105975 W JP0105975 W JP 0105975W WO 0206401 A1 WO0206401 A1 WO 0206401A1
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WO
WIPO (PCT)
Prior art keywords
polycarbonate resin
resin composition
mass
glass
composition according
Prior art date
Application number
PCT/JP2001/005975
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Akamine
Akio Nodera
Katsushi Tsuchiya
Original Assignee
Idemitsu Petrochemical Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2000212262A external-priority patent/JP2002020610A/ja
Priority claimed from JP2000230199A external-priority patent/JP4663853B2/ja
Application filed by Idemitsu Petrochemical Co., Ltd. filed Critical Idemitsu Petrochemical Co., Ltd.
Priority to US10/070,909 priority Critical patent/US20030158371A1/en
Publication of WO2002006401A1 publication Critical patent/WO2002006401A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/40—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances

Definitions

  • the present invention (consisting of the first invention and the second invention) relates to a polycarbonate resin composition, and more particularly, to a polycarbonate resin composition suitably used as an electric-electronic component.
  • polycarbonate resin has excellent mechanical strength, heat resistance, and transparency, so it is widely used as an engineering plastic in various fields such as electricity, electronics, and automobiles. It has many uses as plastic glass and is widely used in various fields.
  • plastic glass has a disadvantage that rigidity is inferior to conventional inorganic glass.
  • JP-A-58-64041 and JP-A-62-251227 disclose a refractive index equivalent to that of a polycarbonate resin.
  • a glass fiber reinforced polycarbonate lubricating composition comprising a glass fiber having a high modulus mixed with a polycarbonate resin is disclosed.
  • Japanese Patent Application Laid-Open No. 5-310596 discloses a method in which a resin film or a resin sheet is mounted in a metal mold during injection molding.
  • a resin film or resin sheet is used.
  • the operation of mounting the mold in the mold is complicated, and is substantially limited to plate-shaped molding, which is economically disadvantageous.
  • the first invention has been made in view of the above circumstances, and has as its object to provide a polycarbonate resin composition containing glass from which an injection-molded article having excellent transparency and rigidity can be obtained by a simple method. It is.
  • a polycarbonate resin having a metallic tone is known because a product giving a high-class feeling and a heavy feeling can be obtained.
  • a method for obtaining the metallic polycarbonate product a method of applying a metallic coating to a molded article, or a method of mixing metal particles before molding and molding is known.
  • the former method has a drawback that it requires labor and cost because a complicated process of painting is required.
  • the latter method is preferable in that a painting step is not required.
  • the latter method has a disadvantage that sufficient quality cannot be obtained as compared with the former method.
  • a method of solving the above-mentioned disadvantages a method of melting and mixing metal-coated glass flakes (for example, Japanese Patent No.
  • the second invention has been made in view of the above circumstances, and has as its object to provide a polycarbonate resin composition which can obtain a good metallic quality and has good heat and light stability. . Disclosure of the invention
  • the gist of the first invention is as follows.
  • polycarbonate resin composition according to any one of the above items 1 to 4, wherein the plasticizer of the component (c) is selected from a phosphorus compound, a higher fatty acid ester and a polylactone.
  • a polycarbonate resin composition in which a glass flake coated with metal and a specific stabilizer are blended with a polycarbonate resin can be suitable for the purpose of the second invention.
  • the invention has been completed. That is, the gist of the second invention is as follows.
  • polycarbonate resin For 100 parts by mass of polycarbonate resin, (a) 0.01 to 5 parts by mass of glass flakes coated with metal and (b) selected from phosphites, hindered phenolic compounds, epoxy compounds and benzotriazole compounds A polycarbonate resin composition comprising 0.01 to 2 parts by mass of at least one kind of a stabilizer to be used.
  • the component (b) is composed of a phosphite, a hindered phenol compound and a base. 3.
  • the first invention may be simply referred to as “the present invention”.
  • the polycarbonate resin as the component (a) constituting the polycarbonate resin composition of the present invention is not particularly limited in its chemical structure and production method, and various resins can be used.
  • an aromatic polycarbonate resin produced by a reaction between a divalent phenol and a carbonate precursor is suitably used.
  • divalent phenol various ones are used.
  • 2,2-bis (4-hydroxyphenyl) prono Bis (4-hydroxyphenyl) methane, 1,1-bis (4-hydroxyphenyl) ethane, 2,2-bis (4-hydroxy-3,5-dimethylphenyl) pronocene, 4,4,1-dihydroxydiphenyl, bis (4-hydroxyphenyl) cyclohexane, bis (4-hydroxyphenyl) ether, bis (4-hydroxyphenyl) sulfide, bis (4-hydroxy) Suitable examples include droxyphen-noreth) s / lefon, bis (4-hydroxyphenyl) sulfoxide, bis (4-hydroxypheninole) ketone, hydroquinone, resorcinol, and catechol.
  • bis (hydroxyphenyl) alkane particularly 2,2-bis (4-hydroxyphenyl) propane [bisphenol A] is preferred.
  • These divalent phenols may be used alone or as
  • carbonate precursor carbonyl halide, carbonate ester, haloformate, or the like can be used. More specifically, Examples include phosgene, divalent phenol dino, mouth formate, diphenyl carbonate, dimethyl carbonate, and getyl carbonate.
  • polycarbonate resin a resin whose molecular chain has a linear structure, a cyclic structure, or a branched structure can be used.
  • polycarbonate resins having a branched structure include 1,1,1 tris (4-hydroxyphenyl) ethane, a, c ,,,-tris (4-vidroxyl) 1-1,3, Those produced using 5-triisopropylbenzene, phloroglucin, trimellitic acid, isatin bis ( ⁇ -cresol), and the like are preferably used.
  • this polycarbonate resin a polyester-carbonate resin produced using an ester precursor such as a bifunctional carboxylic acid such as terephthalic acid or an ester-forming derivative thereof can also be used. Further, a mixture of polycarbonate resins having these various chemical structures can also be used.
  • the viscosity-average molecular weight of these polycarbonate resins is usually from 10,000 to 500,000, preferably from 13,000 to 35,000, and more preferably from 15,500. 0 to 25, 0000.
  • phenol —tert-butyl phenyl phenol, —dodecyl phenol, — Tert-octylphenol, p-cumylphenol, etc. are used.
  • a polycarbonate-polyaminopolysiloxane copolymer can also be used as the polycarbonate resin.
  • This copolymer is prepared, for example, by dissolving a polycarbonate oligomer and a polyorganosiloxane having a reactive group at a terminal in a solvent such as methylene chloride, adding thereto an aqueous solution of sodium hydroxide of divalent phenol, and adding triethylamine. It can be produced by performing an interfacial polycondensation reaction using a catalyst such as this.
  • the polyorganosiloxane structure portion includes a polydimethylsiloxane structure and a polydiethylenesiloxane structure.
  • Polymethyl siloxane structure A structure having a polydiphenylsiloxane structure is preferably used.
  • polycarbonate-polyorganosiloxane copolymer those having a degree of polymerization of the polycarbonate portion of 3 to 100 and a degree of polymerization of the polyorganosiloxane portion of about 2 to 500 are preferably used.
  • the content ratio of the polyorganosiloxane moiety in the polycarbonate-polyorganosiloxane copolymer is preferably 0.5 to 10% by mass, more preferably 3 to 6% by mass.
  • those having a viscosity average molecular weight of 5,000 to 100,000, preferably 100,000 to 300,000 are preferably used for the polycarbonate-polyorganosiloxane copolymer.
  • the proportion of the polycarbonate resin as the component (a) is 65 to 95% by mass, and preferably 75 to 90% by mass, based on the entire components (a), (b) and (c). If the amount is less than 65% by mass, transparency and impact strength decrease. If the amount exceeds 95% by mass, the rigidity is insufficient, which is not preferable.
  • the refractive index (n D) is as long as 1.5 70 to 1.60 0 ranging glass, can be used in a variety of types or forms .
  • the nD force is less than S i.570 or more than 1.600, the transparency of the resin composition is impaired, which is not preferable.
  • the set formed of such glass for example, S i 0 2 5 5-60 mass 0 / o, A 1 2 0 3 1 0 ⁇ 1 2 Weight 0/0, 0 & 020-2 5 mass%, Mg O 0 to 5 wt%, 1 ⁇ 0 2 0-5 wt%, Z n from 00 to 5 wt%, Na 2 00.
  • glass fiber, glass flake, glass powder, and the like can be used, and these may be used alone or in combination of two or more.
  • the glass widely used for resin reinforcement is alkali-containing glass, low-alkali glass, and alkali-free glass. Any of them may be used.
  • the fiber length is 0.05 to 8 mm, preferably 2 to 6 mm, and the diameter is 3 to 30 ⁇ m, preferably 5 to 25 ⁇ .
  • the form of the glass fiber is not particularly limited, and examples thereof include various types such as roving, milled fino, and chop strand.
  • these glass fibers can be used alone or in combination of two or more.
  • these glasses are made of silane-based coupling materials such as aminosilane, epoxysilane, silane, metharylsilane, etc., epoxy complex compounds, boron compounds, etc. in order to increase the affinity with the resin. It may be surface-treated.
  • a preferred example of such a glass is ECR glass manufactured by Asahi Fiberglass.
  • the proportion of the glass of the component (b) is 3 to 20% by mass, preferably 5 to 15% by mass, based on the total components (a), (b) and (c). If it is less than 3% by mass, the rigidity is insufficient, and if it exceeds 20% by mass, transparency and impact strength decrease, which is not preferable.
  • the plasticizer of the component (c) constituting the polycarbonate resin composition of the present invention is not particularly limited as long as it exhibits a viscosity lowering effect upon melting, and is not particularly limited. Lactone and the like can be mentioned as suitable.
  • the phosphorus-based compound examples include trimethyl phosphate, triethyl phosphate, tributy phosphate, triocty phosphate, tributoxyshethyl phosphate, triphenyl phosphate, tricresyl phosphate, crezy / resiefe / rephophosphate, and octino.
  • Resiphenyl phosphate tri (2-ethynolehexynole) phosphate, diisopropinolephenylinolephosphate, trixylenyl phosphate, tris (isopropinolephenol) phosphate, tributyl phosphate, bisphenol dibisphosphate, Hydroquinone bisphosphate, resonoresin bisphosphate, resorcinol (diphenolenophosphate), trioxybenzene triphosphate, resinole Diphenyl phosphate and the like can be mentioned.
  • TPP triphenyl phosphate
  • TXP trixylenyl phosphate
  • PFR resorcinol (diphenyl phosphate)
  • PX200 [1,3-phenyl) manufactured by Daihachi Chemical Industry Co., Ltd.
  • PX201 1,4-phenylene-tetrakis (2,6-dimethylphenyl) phosphate
  • PX 202 [4,4,1-phenyl-tetrakis ( 2,6-dimethylphenyl) phosphate].
  • the higher fatty acid ester examples include a partial ester or a whole ester of a monohydric or polyhydric alcohol having 1 to 10 carbon atoms and a saturated fatty acid having 10 to 30 carbon atoms.
  • the polyforce prolataton is not particularly limited to the production method, the structure of end capping, and the like.
  • a molecular weight of about 3,000 to 30,000 is preferred.
  • the ratio of the plasticizer of the component (c) is 2 to 15% by mass, and preferably 5 to 10% by mass, based on the whole components (a), (b) and (c). / 0 . 2 mass. If it is less than / 0 , it is not effective for transparency (external haze), and if it exceeds 15% by mass, the impact strength is undesirably reduced.
  • the ⁇ value in a 3 mm thick injection molded plate is 40 or less. If it exceeds 40, transparency will be reduced and its use will be limited.
  • the polycarbonate resin composition of the present invention is used in general thermoplastic resins and their compositions according to the characteristics required for molded articles.
  • Appropriate amounts of additives can be included.
  • additives include antioxidants, ultraviolet absorbers, light stabilizers, antistatic agents, antibacterial agents, compatibilizers, and colorants (dye, pigment).
  • the components (a) and (b) and the various additives used as necessary are mixed at a mixing ratio suitable for the required characteristics of the molded article. Then knead it.
  • the mixers and kneaders used here are usually used, such as a ribbon blender, a drum tumbler, and a Henschel mixer, and are pre-mixed to form a Banbury mixer, a single-screw extruder, a twin-screw. An extruder, a multi-screw extruder, a kneader or the like can be used.
  • the heating temperature during kneading is appropriately selected usually in the range of 240 to 300 ° C.
  • an extruder particularly a vent-type extruder.
  • the components other than the polycarbonate resin may be previously melt-kneaded with the polycarbonate resin or another thermoplastic resin, that is, added as a master batch.
  • the polycarbonate resin composition of the present invention can be obtained by injection molding, injection compression molding, extrusion molding, blow molding, press molding, or foam molding using the above-described melt-kneading molding machine or the obtained pellet as a raw material.
  • Various molded products can be manufactured by such methods.
  • a method in which the above components are melt-kneaded to produce a pellet-shaped molding raw material, and then the pellets are used to produce an injection molded article or an injection molded article by injection compression molding is particularly suitable.
  • a gas injection molding method is employed as the injection molding method, it is possible to obtain a molded article which is excellent in appearance without shrinkage and which is reduced in weight.
  • the molded article obtained from the polycarbonate resin composition thus obtained has excellent transparency, has a good surface appearance, and is suitably used particularly in fields where its translucency can be utilized, mainly for electric and electronic parts. be able to.
  • Examples I-1 to 1-5 and Comparative Examples 1-1 to I-4 At the compounding ratio shown in Table I-1, each component was mixed, melt-kneaded at 280 ° C with a 5 Omm single screw extruder (Nakatani Co., NVC50) and pelletized. Next, the obtained pellets were injection-molded using a 45-ton injection molding machine (manufactured by Toshiba Machine Co., Ltd., IS45PV), and a 30 mm x 40 mm test piece with a thickness of 3 mm and a test piece for measuring physical properties were prepared. A weld evaluation test piece was obtained. The physical properties of the obtained test pieces were evaluated as follows, and the results are shown in Table 1-1. In the table, “Example 1-1” is simply described as “Example 1”. The same applies to the comparative example.
  • a-1 Bisphenol A as raw material, melt flow rate (MFR) [according to JISK 7210, temperature 300 ° C, load 11.77 N] is 20 g / l 0 min, Polycarbonate resin with a viscous viscosity average molecular weight of 190,000 [Idemitsu Petrochemical Co., Ltd .: Toughlon A 1900]
  • a-2 Bisphenol A as a raw material, copolymer of polycarbonate and PDMS (polydimethylsilane), PDMS content 3 mass. /. , Viscosity average molecular weight 1 ⁇ , 500
  • c-1 PFR [resorcinol (diphenolenophosphate), manufactured by Daihachi Chemical Co., Ltd.]
  • the second invention may be simply referred to as “the present invention”.
  • the polycarbonate resin constituting the polycarbonate resin composition of the present invention is not particularly limited with respect to its chemical structure and production method, and various types can be used, and the contents described in the first invention apply.
  • the polycarbonate-polyorganosiloxane copolymer when a polycarbonate-polyorganosiloxane copolymer is used as the polycarbonate resin, the polycarbonate-polyorganosiloxane copolymer has a degree of polymerization of the polycarbonate portion of 3 to 100, and the polyorganosiloxane portion Those having a polymerization degree of about 2 to 500 are preferably used.
  • the content ratio of the polyorganosiloxane moiety in the polycarbonate-polyorganosiloxane copolymer is 0.5 to 30 mass.
  • the amount is%.
  • those having a viscosity average molecular weight of 5,000 to 100,000, preferably 10,000 to 30,000, of the polycarbonate-polyorganosiloxane copolymer are suitably used.
  • the glass flakes used in the present invention preferably have an average particle size of 0.01 to 3 mm and an average thickness of 1 to 30 / m.
  • the average particle size is less than 0.01 mm, good metallic appearance quality may not be obtained.
  • the average particle size is more than 3 mm, the particles are easily crushed during melt mixing.
  • the average thickness is less than 1 / xm, it becomes easy to fracture during melt mixing, and if it exceeds 30 ⁇ , the effect corresponding to the blending amount may not be obtained.
  • the particle size here is the longest part of the flake.
  • any of alkali-containing glass, low-alkali glass, and non-alkali glass can be used.
  • the metal to be coated on the glass flake may be a metal having a metallic luster and capable of cohering to a glass, and examples thereof include gold, silver, nickel, and aluminum.
  • the method of coating is not particularly limited, and various methods can be adopted. For example, a method using an electroless plating is preferable, and the film thickness of the coating is usually 0.0001 to 10 // m, and the glass flakes are uniformly coated on a smooth surface, preferably on an end surface.
  • the glass flake coated with a metal as described above can be used as it is, but the surface may be further coated with a treating agent to prevent oxidation.
  • the content of the component (a) is 0.01 to 5 parts by mass, and preferably 0.1 to 2 parts by mass, per 100 parts by mass of the polycarbonate resin. If the content is less than 0.01 parts by mass, good metallic tone quality cannot be obtained. If the amount exceeds 5 parts by mass, the physical properties deteriorate.
  • Stabilizers include phosphites, hindered phenolic compounds, epoxy compounds It is at least one kind of a stabilizer selected from a compound and a benzotriazole compound.
  • phosphites trimethyl phosphite, triethyl phosphite, tributyl phosphite, trioctyl phosphite, trinonyl phosphite, tridecyl phosphite, trioctadecyl phosphite, tris (
  • Trialkyl phosphites such as trichlorohexyl phosphite and trialkyl phosphites such as trichlorohexyl phosphite, and trialkyl phosphites such as 2-chloroethyl phosphite and tris (2,3-dichloromethyl propyl) phosphite, tricresyl phosphite and tris (Ethyl phosphite) phosphite, tris (butyl phosphite), tris (no-nore phenol), tris (hydroxy phenol) phosphite, tris (2,4-zy t-butyl phosphite) phosphite
  • dialkyl monoaryl phosphites such as bis (2,6-di-tert-butyl-4-methylphenyl) pentaerythritol monophosphate and the like.
  • octadecyl 3- (3,5-di-t-p-inole-1-hydroxphene) -propionate, triethyleneglycol-l-rubis [3- (3-t-petit / le 5-methyl-4) -Hydroxyphenyl) propionate], 1,6-Hexane-di-rubis [3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate], pentaerythrityl-tetrakis [3- (3,5-di-t) 1-Phyl-4-hydroxyphenyl) pionate], N, N, 1-Hexamethylenebis [(3,5-di-t-l-ptyl-14-hydroxyloxy) -1-hydrocinamide], 2,2- Thiodiethylene bis [3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate], 2,4-bis (n-oct
  • the epoxy compound is a compound containing at least one or more epoxy groups in the molecule, and preferably does not contain halogen.
  • epoxidized soybean oil epoxidized linseed oil, epoxy butyl stearate, epoxy octyl stearate, phenyldaricidyl ether, aryl glycidyl ether, p-butyl phenyl glycidyl ether, styrene oxide, neohexene Oxide, diglycidyl adipate, diglycidyl sebacate, diglycidyl phthalate, bisepoxydicyclopentapentaenyl ether, ethylene glycol diglycidyl ether, propylene dalicol diglycidyl ether, polyethylene glycol diglycidyl ether , Butadiene diepoxide, tetraphenylethylene epoxide, epoxidized polybutadiene
  • benzotriazole-based compounds specifically, 2- (2-hydroxy-5,1-tert-octylphenyl) benzotriazole, 2- (2, -hydroxy3,, 5′-di-tert-amylphenyl) benzotria Zol, 2- (2, -hydroxy-5,1-t-butylphenyl) benzotriazonole, 2- (2,1-hydroxy-3,5,1-g-t-petit / refeninole) benzotriazonole, 2 — [2, -Hydroxy-3,, 5'-bis ( ⁇ , ⁇ -dimethinolebenzyl) phenyl] -12-benzotriazole, 2,2, -methylene-bis [4-methyl Lou 6- (benzotriazole-2-yl) phenol].
  • the above-mentioned component (b) may be used by selecting at least one of the above compounds. Particularly, a combination of a phosphite and a hindered phenol compound, a phosphite and an epoxy compound It is preferable to use a combination of a phosphite, a hindered phenol compound and a benzotriazole compound.
  • the content of the component (b) is 0.01 to 2 parts by mass, preferably 0.02 to 0.5 part by mass with respect to 100 parts by mass of the polycarbonate resin. It is. If the content is less than 0.01 part by mass, the effect as a stabilizer cannot be obtained, and if it exceeds 2 parts by mass, the effect corresponding to the amount cannot be obtained.
  • the polycarbonate resin composition of the present invention may be used in combination with a general thermoplastic resin or an additive used in a composition thereof according to the characteristics required of a molded article.
  • An amount can be included.
  • additives include an antistatic agent, a plasticizer, an antibacterial agent, a compatibilizer, and a coloring agent (dye, pigment).
  • the contents described for the first invention apply.
  • the contents described in the first invention also apply to the production of various molded articles.
  • the molded article from the polycarbonate resin composition thus obtained is suitably used as electric / electronic parts and automobile parts.
  • Example II-1 The compounding ratio shown in Table II-1 (parts by mass with respect to 100 parts by mass of polycarbonate resin), and mixed with a 5 O mm single screw extruder (Nakatani NVC 50). The mixture was melt-kneaded at 80 and pelletized. Next, the obtained pellets were injection molded using a 45 ton injection molding machine (manufactured by Toshiba Machine Co., Ltd., IS45PV). Thus, a test piece having a size of 30 ⁇ 40 mm and a thickness of 3.2 mm was obtained. The physical properties of the obtained test piece were evaluated as follows, and the results are shown in Table II-1. In the table, “Example II-1” is simply described as “Example 1”. The same applies to the comparative example.
  • the bisphenol A as a raw material JISK 7 210 compliant (temperature 300 ° C, load 11. 77N) was measured in the conditions mel-flow rate (M FR) is l O g / 10 min
  • M FR mel-flow rate
  • Nickel-coated glass flakes [Nippon Sheet Glass Co., Ltd. Metashineku Kenore RCF SX— 5230 NS (9042) Electroless nickel with a thickness of 0.15 zm on glass flakes with an average particle size of 0.23 mm and an average thickness of 5 ⁇ (Courtesy in the box)
  • YI (according to JISK 7103) was measured initially and after irradiation for 300 hours under the conditions of 63 ° C and no rain, and the color difference ⁇ was determined.
  • the polycarbonate resin composition containing the glass from which the injection molding excellent in transparency, rigidity, and molding stability (coloring resistance) is obtained can be provided with a simple method.
  • the second aspect of the present invention it is possible to provide a polycarbonate resin composition having good metallic appearance quality and good strength and heat stability.

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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

Cette invention a trait à une composition de résine de polycarbonate contenant, en pourcentage massique, (a), de 65 à 95 % d'une résine de polycarbonate, (b), de 3 à 20 % d'un verre dont l'indice de réfraction est compris entre 1 570 et 1 600 et, (c), de 2 à 15 % d'un agent plastifiant. Elle concerne également une composition de résine de polycarbonate contenant, (a), de 0,01 à 5 parties en masse de paillettes de verre enrobées de métal et, (b), de 0,1 à 2 % en pourcentage massique, par rapport à 100 parties en masse d'une résine de polycarbonate, d'au moins un agent de stabilisation sélectionné dans le groupe constitué par un ester d'acide phosphoreux, un composé phénolé empêché, un composé époxyde et un composé du type benzotriazole. On utilise avantageusement ces compositions de résine de polycarbonate pour produire des pièces appartenant aux domaines de l'électricité et de l'électronique.
PCT/JP2001/005975 2000-01-26 2001-07-10 Composition de résine de polycarbonate WO2002006401A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/070,909 US20030158371A1 (en) 2000-01-26 2001-07-10 Polycarbonate resin composition

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000-212262 2000-07-13
JP2000212262A JP2002020610A (ja) 2000-07-13 2000-07-13 ポリカーボネート樹脂組成物
JP2000230199A JP4663853B2 (ja) 2000-07-31 2000-07-31 ポリカーボネート樹脂組成物
JP2000-230199 2000-07-31

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WO2002006401A1 true WO2002006401A1 (fr) 2002-01-24

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09194738A (ja) * 1996-01-23 1997-07-29 Japan Synthetic Rubber Co Ltd 熱可塑性樹脂組成物
JP2000063653A (ja) * 1998-08-19 2000-02-29 Teijin Chem Ltd 透明性及び摺動性を有するポリカーボネート樹脂組成物

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09194738A (ja) * 1996-01-23 1997-07-29 Japan Synthetic Rubber Co Ltd 熱可塑性樹脂組成物
JP2000063653A (ja) * 1998-08-19 2000-02-29 Teijin Chem Ltd 透明性及び摺動性を有するポリカーボネート樹脂組成物

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