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WO2000046307A1 - Composition resineuse et objet moule reflechissant la lumiere - Google Patents

Composition resineuse et objet moule reflechissant la lumiere Download PDF

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Publication number
WO2000046307A1
WO2000046307A1 PCT/JP2000/000624 JP0000624W WO0046307A1 WO 2000046307 A1 WO2000046307 A1 WO 2000046307A1 JP 0000624 W JP0000624 W JP 0000624W WO 0046307 A1 WO0046307 A1 WO 0046307A1
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WO
WIPO (PCT)
Prior art keywords
resin composition
calcium carbonate
composition according
weight
resin
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2000/000624
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English (en)
Japanese (ja)
Inventor
Hiroshi Shibata
Yoichi Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maruo Calcium Co Ltd
Original Assignee
Maruo Calcium 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
Application filed by Maruo Calcium Co Ltd filed Critical Maruo Calcium Co Ltd
Priority to JP2000597371A priority Critical patent/JP4603694B2/ja
Publication of WO2000046307A1 publication Critical patent/WO2000046307A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/08—Oxygen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/02—Polythioethers; Polythioether-ethers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/016—Additives defined by their aspect ratio

Definitions

  • the present invention relates to a resin composition and a molded article for light reflection, and more particularly, to heat resistance, strength, impact resistance, stiffness, and dimensions by adding a whisker-like calcium carbonate to a heat-resistant thermoplastic resin. It is excellent in stability and moldability, and especially when it is used as a light reflecting molded article such as a lamp reflector used for automobile headlights, it can provide good adhesion and surface smoothness of a metal film.
  • the present invention relates to a resin composition that can be used. Landscape technology
  • the conversion of a lamp reflector into a plastic has been mainly made of a resin composition based on a thermosetting resin such as a phenol resin or an unsaturated polyester.
  • thermoplastic resin material conversion of lamp reflex into a thermoplastic resin material is being studied.
  • fibrous fillers such as polyamide (nylon) resin, polyester resins such as polybutylene terephthalate (PBT) and polyethylene terephthalate (PET), and polyphenylene sulfide resin (PPS) Attempts have been made to impart heat resistance, mass reduction and surface smoothness by blending a non-woven filler and a hollow filler further.
  • Japanese Patent Application Laid-Open No. 4-334480 discloses a composition in which a fibrous inorganic filler, a non-fibrous inorganic filler and a hollow hollow inorganic filler having a specific diameter are mixed with PPS.
  • a fibrous inorganic filler, a non-fibrous inorganic filler and a hollow hollow inorganic filler having a specific diameter are mixed with PPS.
  • Japanese Patent Application Laid-Open No. Hei 4-2-279962 discloses a molding mixture comprising PPS, whiskers of an alkaline metal salt or an alkaline earth metal salt, and a mineral filler. A reflector molded using the same has been proposed.
  • Japanese Patent Application Laid-Open No. 7-188555 discloses a lamp resin formed by molding a resin composition comprising PPS, a whisker-like aluminum borate reinforcing material, and a non-fibrous inorganic filler.
  • Japanese Patent Laid-Open Publication No. Hei 8-4-1131 discloses a reflector for light reflection formed by molding a resin composition comprising PPS having a specific melt viscosity, potassium titanate whiskers, and calcium oxide having a specific particle size.
  • Japanese Patent Application Laid-Open Publication No. Hei 10-237373 discloses a resin composition for lamp reflector Yuichi, which comprises PPS, calcium carbonate having a specific particle diameter, and wollastite having a specific fiber diameter. Being p
  • the physical properties required for the lamp preflector are that it is relatively inexpensive in addition to heat resistance, dimensional stability, surface smoothness, light weight and high strength.
  • metallization of aluminum or the like is performed in a later process for the lamp reflex, and it is required to have an adhesive property to the metallized film and a metasmoothness (gloss).
  • Japanese Patent Application Laid-Open No. Hei 10-237330 proposes to mix wollastite, which is a relatively inexpensive fiber-like substance.
  • the present invention is excellent in moldability, heat resistance, strength, rigidity, dimensional stability, adhesiveness to metal vapor deposition film and surface smoothness, especially for light reflection molding such as automotive lamp reflector It is intended to provide a resin composition suitable for a body and a molded article for light reflection obtained by molding the resin composition at low cost.
  • the present inventors have conducted intensive studies in order to solve the above-mentioned problems, and as a result, a resin composition obtained by blending a heat-resistant thermoplastic resin with a powder having a specific particle diameter and a specific carbonic acid-containing calcium carbonate is desired. Have been found to be sufficiently satisfied, and the present invention has been reached. Disclosure of the invention
  • the first aspect of the present invention is to provide a heat-resistant thermoplastic resin with a granular filler and a long diameter. It is characterized by the fact that whisker-like calcium carbonate with a ratio of 3 to 50 / m and a short length of 0.3 to 2.0 ⁇ m and an aspect ratio (major axis / minor axis) of 5 to 50 is blended. It contains a fat composition.
  • the mixing amount of whisker-like calcium carbonate is 5 to 50% by weight.
  • the calcium carbonate carbonate has a BET specific surface area of 1 to 1 It is.
  • the surface-treated calcium carbonate is treated with at least one selected from the group consisting of a silicone-based surface treatment agent, a titanate-based surface treatment agent, a carboxylic acid-based surface treatment agent, and a sulfonic acid-based surface treatment agent. It is a thing.
  • the particulate filler is fine calcium carbonate. In a preferred embodiment, the amount of the particulate filler is 10 to 80% by weight.
  • thermoplastic resin is a polyarylene sulfide resin.
  • a second aspect of the present invention includes a light-reflective molded article obtained by molding a resin composition.
  • the molded article for light reflection is a lamp reflector.
  • the major axis is 3 to 50 / zm
  • the minor axis is 0.3 to 2.0 m
  • the cut ratio (major axis or short diameter) is 5 to 50.
  • the major axis is 5 ⁇ 40 m, more preferably 1 C! 330 / zm
  • the length of the short stomach is 0.25 to 2.0 m, more preferably 0.5 to 1.6 m. If the major axis is less than 3 ⁇ or the minor axis is less than 0.3 / m, not only does the resin pressure rise and workability deteriorates, but also the surface smoothness is impaired. If the major axis exceeds 5 Owm or the minor axis exceeds 2.0 m, the surface smoothness is impaired.
  • the calcium carbonate calcium carbonate has an aspect ratio (major axis Z minor axis) of less than 5, heat resistance is insufficient, and if it exceeds 50, warpage occurs.
  • the diameter of the whisker-like carbonic acid lumps is determined by electron microscopy.
  • Such a whisker-like calcium carbonate can be easily prepared, for example, by a method described in Japanese Patent Application Laid-Open No. 3-88871, Japanese Patent Application Laid-Open No. 4-21515, and the like. Manufacturable.
  • the BET ratio 3 ⁇ 4 area of the whisker-like calcium carbonate used in the present invention is preferably 1 to 15 m 2 Zg, more preferably 3 to 1 m 2 Zg. It is preferably 4 to 1 Om 2 / g.
  • the BET specific surface area is larger than 15 m 2 Z, the workability is deteriorated due to the increase of the resin pressure, and the surface smoothness tends to be deteriorated. If the BET specific surface area is smaller than lm 2 /, it is difficult to obtain surface smoothness.
  • the BET specific surface area is determined by a nitrogen adsorption method.
  • the powder of calcium whisker-like calcium powder is low, and the method of reducing the bulk of the powder can be achieved by granulation or surface treatment. is there.
  • the bulk of the powder is not more than 20. OmlZg, more preferably not more than 15. OmlZg, and still more preferably not more than 10. OmlZg.
  • the powder bulk is JI
  • the whisker-like calcium carbonate used in the present invention includes a silicone-based surface treatment agent, a titanate-based surface treatment agent, a carboxylic acid-based surface treatment agent, and a sulfo-based surface treatment agent. It is preferable to perform surface treatment with an acid-based surface treatment agent or the like. These surface treatment agents can be used alone or in combination of two or more. More preferably, the surface treatment is performed with a silicone-based surface treatment agent or a titanate-based surface treatment agent.
  • the silicone-based surface treating agent is a compound having a reactive silyl group in the molecule and a silicate or polysilicate such as silicon oil or silicon emulsion.
  • silane coupling agents are organic silicon monomers having two or more different reactive groups, specifically, vinyl silane, acrylic (methacrylic) silane, epoxy silane, amino silane, mercapto, chlorop This is a pill-based silane cutting agent.
  • Monomers and partial condensates (tetraalkoxy silicates) having a reactive group of one spikelet include methyl silicate, ethyl silicate, ⁇ -pyr silicate, isopropyl silicate, butyl ligate, and isobutyl silicate. Monomer and partial condensate.
  • the titanate-based surface treatment agent is represented by the following structural formula.
  • One of the carboxylic acid-based surface treatment agents consists of a polymer of ⁇ , an unsaturated carboxylic acid monomer, and a partially or completely neutralized product thereof with an alkali salt, an aluminum salt, and an amine. It is a type, and preferably contains a hydroxyl group and a carboxyl group, which are obtained by copolymerizing a 3 unsaturated carboxylic acid and a 3 unsaturated carboxylic acid hydroxyester.
  • the other is a fatty acid-based treating agent, which is a higher fatty acid of saturated or unsaturated fatty acids.
  • Metal salts such as fatty acids or alkali metals, alkaline earth metal salts, ammonium salts, esters, zinc, and iron can be used.
  • Sulfonic acid-based surface treatments include: alkyl ether sulfate, alkyl ether sulfate, alkyl sulfate, alkyl aryl sulfate, alkyl amide sulfate, alkyl sulfonic acid, alkyl naphthylene sulfonic acid, monoolefin sulfonic acid, N— Sulfonic acid, verfluoroalkylsulfonic acid, alkylbenzenesulfonic acid and the like.
  • the treatment amount of the surface treating agent is usually 0.1 to 5% by weight, preferably 0.2 to 3.0% by weight, more preferably 0.5 to 2.0% by weight. When the amount of surface treatment is less than 0.1%, the surface treatment effect is not sufficiently exhibited. When the amount is more than 5% by weight, the lamp may be undesirably exposed.
  • the surface treatment of the whiskers-like calcium carbonate with the surface treatment agent used in the present invention can be performed by any of a wet method and a dry method.
  • a surface treatment agent may be added to the whisker-like calcium carbonate water or dissolved slurry, and in the case of dry surface treatment, powder such as a helical mixer or ribbon mixer may be stirred. Anonymity can be used.
  • thermoplastic resin examples include polyester resin such as polyamide, polybutylene terephthalate (PBT) and polyethylene terephthalate (PET), polyarylene sulfide resin (PAS), and polyphenylene sulfide.
  • Resin (PPS) polyphenylene ether, polyimide, polyether sulfone, polycarbonate, ABS, polyacetal, polyether ketone, and syndiotactic polystyrene (SPS). It can be used in combination of more than one species.
  • PPS polyphenylene ether
  • polyimide polyether sulfone
  • SPS syndiotactic polystyrene
  • PAS is PPS having a repeating unit represented by a typical structural formula 1 (Ph—S—) 1 (where Ph is a phenyl group) of 70% or more.
  • Polyylene sulfide is generally known to have a molecular structure having substantially no linearly branched or crosslinked structure and a structure having a branched or crosslinked structure depending on its production method. This type is also effective, and may be a copolymer or a mixture of both.
  • the amount of the heat-resistant thermoplastic resin is preferably 15 to 85% by weight, more preferably 25 to 65% by weight, and still more preferably 35 to 55% by weight. If it is less than 15% by weight, the impact strength is reduced, while if it exceeds 85% by weight, the strength becomes insufficient and the heat resistance becomes insufficient.
  • the mixing halo of the calcium carbonate is preferably 5 to 50% by weight, more preferably 5 to 30% by weight, and even more preferably 7 to 20% by weight. If the amount is less than 5% by weight, heat resistance and strength are insufficient. If the amount is more than 50% by weight, workability deteriorates due to an increase in resin pressure and the surface becomes flat. Worse.
  • Examples of the particulate filler used in the present invention include silicates such as alumina silicate, clay alumina, gay oxide, magnesium oxide, zirconium oxide, titanium oxide, iron oxide, calcium carbonate, magnesium carbonate, dolomite, and sulfuric acid.
  • silicates such as alumina silicate, clay alumina, gay oxide, magnesium oxide, zirconium oxide, titanium oxide, iron oxide, calcium carbonate, magnesium carbonate, dolomite, and sulfuric acid.
  • Examples thereof include calcium, barium sulfate, glass beads, ceramic beads, and calcium phosphate, and these can be used alone or in combination of two or more.
  • calcium carbonate is preferred in terms of particle size control and compatibility with the resin.
  • Calcium carbonate includes calcium carbonate obtained by chemically reacting calcium carbonate and heavy calcium carbonate obtained by mechanically pulverizing and classifying.Either of them can be used. Finely pulverize the latter Fine ground calcium carbonate is preferred. There are dry and wet production methods for fine powdered calcium carbonate.
  • the blending amount of the granular filler is 10 to 80% by weight, preferably 30 to 60% by weight, and more preferably 40 to 55% by weight. 10 fold ;! : If it is less than%, the heat resistance cannot be satisfied, and if it exceeds 80% by weight, the workability may be deteriorated due to an increase in resin pressure.
  • the particle size of the fine powdered calcium carbonate is indefinite, it is common to use the particle size calculated from the specific surface area (air permeation type). (6 X 104) / 2.7 X ratio Calculated by surface area.
  • the particle diameter effective as a lamp reflector is 2 / zm or less, more preferably 1 or less, and further preferably 1 ⁇ ⁇ or less.
  • the average particle size is larger than 2 m, the surface smoothness may be deteriorated.
  • the value of coarse particles of 10 or more measured by a laser particle size distribution analyzer (Microtrac FRA) is preferably 5% or less, more preferably 0%. More preferably, coarse particles of 5 m or more are 0%. When the amount of coarse particles of 10 / in or more is more than 5%, the surface smoothness may be deteriorated.
  • heat-resistant and dimensional stability reinforcing agents other than calcium carbonate, such as glass fiber, titanic acid, Riwis, aluminum borate, aluminum oxide, titanium oxide, rock wool, stone oxide, etc.
  • wollastonite apatite whisker, etc.
  • Xixi Iskar and wollastonite are preferable, and wollastonite is particularly preferable.
  • the major axis is about 50 to 60 m and the minor axis is about 2 m
  • Commercially available stone iskers can be used.
  • Wollastonite has a major axis of 20 to 50 zrn and a minor axis of 0. ⁇ 5 m can be used.
  • the content of these is preferably 5 to 30% by weight. If it is less than 5% by weight, the effect of addition is not sufficient, and if it exceeds 30% by weight, the surface smoothness may be deteriorated.
  • additives to be blended in the present invention include ordinary additives such as a release agent, an antioxidant, a heat stabilizer, a lubricant, and a crystal nucleating agent and a small amount within a range not to impair the effects of the present invention. Can be added. It is also possible to add plate-shaped sericite, kaolin, myriki, talc, and bentonite. There is no problem in using a hollow filler for weight reduction.
  • the method for preparing the resin composition used in the present invention is not particularly limited.
  • the mixture of the raw materials is melt-mixed in a single-screw or twin-screw extruder, a Banbury mixer, a mixer, a mixing roll, or the like. It is possible to supply and knead.
  • the mixing order of the raw materials, and the heat-resistant thermoplastic resin, the granular filler, the whisker-like calcium carbonate, and other fillers are dry-blended if necessary, and then melt-kneaded by the above-described method.
  • the degree of kneading of the filler is relatively strong, and favorable smoothness can be obtained by kneading with a shear. It is preferable to knead the mixture so that the aspect ratio of the whisker-like calcium carbonate is 10 or less, more preferably about 8 or less. If they are mixed together, heat resistance and strength tend to be insufficient.
  • the whisker-like calcium carbonate is kneaded with a shield such that the aspect ratio becomes 10 to 3.
  • the analysis of the filler in the resin can be confirmed by baking at 500 ° C. for 2 hours and removing the resin component.
  • the resin composition thus obtained is formed into a light reflecting molded article such as a lamp reflector by injection molding or the like.
  • the resin composition is injection-molded using an injection molding machine having a sufficient capacity and a mold clamp, and the surface of the obtained molded body is subjected to a method such as vacuum deposition or plating (chemical plating, electric plating).
  • a metal coating such as aluminum or zinc is applied to obtain a light reflecting molded article such as a lamp reflex.
  • metal coating it is also possible to previously prime the surface of the molded body.
  • Whisker-like calcium carbonate a shown in Table 1 (whisker A, manufactured by Maruo Calcium Co., Ltd.) After spraying a 1% aqueous slurry of calcium carbonate a (KBM-1003 vinyltrimethoxysilane manufactured by Shin-Etsu Chemical Co., Ltd.) as a 20% by weight water slurry onto whisker-like carbon dioxide, 100 ° C For 1 hour to obtain calcium f (powder bulk: 5 ml Zg).
  • PPS resin (melt viscosity: 190,000 Boys, manufactured by Tosoh 'Sastile Co., Ltd.) 40% by weight, fine powdered heavy calcium carbonate h45 weight, whisker-like calcium carbonate a to e with different particle size and surface
  • the treated whisker-like calcium carbonate f was blended at 15% by weight, then melt-kneaded at 32 n ° C using a twin screw extruder, and pelletized. Then, a flat molded product is obtained by an injection molding machine, and the tensile strength, bending strength and impact strength are measured by the following method did. Further, a flat molded product was subjected to aluminum vapor deposition by a vacuum vapor deposition method, and the adhesive strength and glossiness of the metal film were defined by the following method.
  • ⁇ The number of remaining aluminum deposited film sections is 90 or more
  • the number of sections of the remaining aluminum deposited film is 70 or more and less than 90 ⁇ : The number of sections of the remaining aluminum deposited film is 50 or more and less than 70 X: The number of sections of the remaining aluminum deposited film is 5 Less than 0
  • the glossiness of the aluminum vapor-deposited film was measured according to JISK 7105 (1981), and evaluated in four steps according to the following criteria.
  • Example 1 is also shown for comparison.
  • Example 1 is also shown for comparison.
  • the present invention uses calcium carbonate as a whisker, and is inexpensive, has good compatibility with resin, and further uses calcium carbonate as a filler. It is considered that the compatibility between the fillers is good, and not only the mechanical strength but also the adhesion to the metal film and the surface smoothness (the glossiness of the gold film) have been improved. ⁇ ⁇ Business availability
  • the resin composition of the present invention has good moldability, and is excellent in heat resistance, strength, impact resistance, rigidity, and dimensional stability, and has excellent adhesiveness of metal film and excellent surface smoothness for light reflection.
  • a compact can be provided at low cost.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne une composition résineuse qui se caractérise en ce qu'elle s'obtient par association d'une résine thermoplastique thermorésistante comportant une charge particulaire, et de barbes de carbonate de calcium ayant un grand axe d'une longueur de 3 à 50 νm, un petit axe d'une longueur de 0,3 à 2,0 νm, et un allongement (le rapport de la longueur de grand axe à la longueur de petit axe) de 5 à 50. L'invention concerne en outre un objet moulé pouvant réfléchir la lumière qui contient cette composition résineuse. L'objet moulé présente une résistance mécanique élevée, ainsi qu'une excellente adhérence aux couches métalliques et un excellent lissé superficiel. Il convient particulièrement pour la réfléxion de la lumière.
PCT/JP2000/000624 1999-02-05 2000-02-04 Composition resineuse et objet moule reflechissant la lumiere Ceased WO2000046307A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000597371A JP4603694B2 (ja) 1999-02-05 2000-02-04 光反射用成形体用の樹脂組成物及び光反射用成形体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2819799 1999-02-05
JP11/28197 1999-02-05

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WO2000046307A1 true WO2000046307A1 (fr) 2000-08-10

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004059702A (ja) * 2002-07-26 2004-02-26 Matsushita Electric Works Ltd 高周波用熱可塑性樹脂組成物及び成形品
WO2005019344A1 (fr) * 2003-08-26 2005-03-03 Mitsubishi Rayon Co., Ltd. Composition de resine thermoplastique pour reflecteur de lampe, article forme pour reflecteur de lampe, reflecteur de lampe, et procede de production d'un article forme pour reflecteur de lampe
WO2012169193A1 (fr) * 2011-06-08 2012-12-13 三井化学株式会社 Composition de résine thermoplastique pour réflecteur, plaque réflectrice et élément de diode électroluminescente
CN108603031A (zh) * 2016-03-09 2018-09-28 英驰株式会社 用于灯具反射器的具有优异的表面光滑度和金属附着力的树脂组合物
US20210355295A1 (en) * 2020-05-15 2021-11-18 Shiraishi Kogyo Kaisha, Ltd. Light reflecting body

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459229A2 (fr) * 1990-05-29 1991-12-04 Bayer Ag Polyarylènethioéthers pour la fabrication de réflecteurs
JPH07324164A (ja) * 1994-05-31 1995-12-12 Polyplastics Co ポリアリーレンサルファイド樹脂組成物
JPH08302190A (ja) * 1995-04-28 1996-11-19 Idemitsu Petrochem Co Ltd ポリアリーレンスルフィド樹脂組成物

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0748511A (ja) * 1993-08-05 1995-02-21 Idemitsu Petrochem Co Ltd 低温成形用ポリアリーレンスルフィド樹脂組成物および自動車用ヘッドランプリフレクター

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459229A2 (fr) * 1990-05-29 1991-12-04 Bayer Ag Polyarylènethioéthers pour la fabrication de réflecteurs
JPH07324164A (ja) * 1994-05-31 1995-12-12 Polyplastics Co ポリアリーレンサルファイド樹脂組成物
JPH08302190A (ja) * 1995-04-28 1996-11-19 Idemitsu Petrochem Co Ltd ポリアリーレンスルフィド樹脂組成物

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004059702A (ja) * 2002-07-26 2004-02-26 Matsushita Electric Works Ltd 高周波用熱可塑性樹脂組成物及び成形品
WO2005019344A1 (fr) * 2003-08-26 2005-03-03 Mitsubishi Rayon Co., Ltd. Composition de resine thermoplastique pour reflecteur de lampe, article forme pour reflecteur de lampe, reflecteur de lampe, et procede de production d'un article forme pour reflecteur de lampe
GB2419884A (en) * 2003-08-26 2006-05-10 Mitsubishi Rayon Co Thermoplastic resin composition for light reflector, formed article for light reflector, light relflector, and method for producing formed article
GB2419884B (en) * 2003-08-26 2008-03-12 Mitsubishi Rayon Co Thermoplastic resin composition for light reflector,molded article for light reflector,light reflector & method for producing molded article.
US9671531B2 (en) 2003-08-26 2017-06-06 Mitsubishi Rayon Co., Ltd. Thermoplastic resin composition for light reflector, formed article for light reflector, light reflector, and method for producing formed article for light reflector
US8569403B2 (en) 2003-08-26 2013-10-29 Mitsubishi Rayon Co., Ltd. Thermoplastic resin composition for light reflector, formed article for light reflector, light reflector, and method for producing formed article for light reflector
JPWO2012169193A1 (ja) * 2011-06-08 2015-02-23 三井化学株式会社 反射材用熱可塑性樹脂組成物、反射板および発光ダイオード素子
US9151455B2 (en) 2011-06-08 2015-10-06 Mitsui Chemicals, Inc. Thermoplastic resin composition for reflector, reflector plate, and light-emitting diode element
WO2012169193A1 (fr) * 2011-06-08 2012-12-13 三井化学株式会社 Composition de résine thermoplastique pour réflecteur, plaque réflectrice et élément de diode électroluminescente
CN108603031A (zh) * 2016-03-09 2018-09-28 英驰株式会社 用于灯具反射器的具有优异的表面光滑度和金属附着力的树脂组合物
EP3428234A4 (fr) * 2016-03-09 2019-10-02 Initz Co., Ltd. Composition de résine pour un réflecteur de lampe présentant un excellent lissé de surface et un excellent dépôt de métal
CN108603031B (zh) * 2016-03-09 2020-09-22 Sk化学公司 用于灯具反射器的具有优异的表面光滑度和金属附着力的树脂组合物
US20210355295A1 (en) * 2020-05-15 2021-11-18 Shiraishi Kogyo Kaisha, Ltd. Light reflecting body
US11939448B2 (en) * 2020-05-15 2024-03-26 Shiraishi Kogyo Kaisha, Ltd. Light reflecting body

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