RESIN COMPOSITION

• Main Authors: MUTO FUMIHIRO, IZEKI SHUTA
• Format: Patent
• Language: English; Japanese
• Published: 30.05.2023
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

To provide a resin composition which contains a polyphenylene sulfide resin, is excellent in low warpage properties, heat resistance and flame retardancy, has less corrosiveness to metals, and is also excellent in mechanical strength and chemical resistance.SOLUTION: The resin composition contains 5-150 pts.mass of a fibrous filler (D) and 1-20 pts.mass of a bromine-based flame retardant (E) based on 100 pts.mass of the total of (A)-(C) containing: 25-65 pts.mass of a polyphenylene sulfide resin (A) having an MVR of 60-500 cm3/10 min; and 35-75 pts.mass of the total of amorphous rubber-reinforced polystyrene or polystyrene (B) and/or a polyphenylene ether resin (C).SELECTED DRAWING: None 【課題】ポリフェニレンスルフィド樹脂を含有し、低反り性、耐熱性及び難燃性に優れ、金属に対する腐食性が少なく、機械的強度や耐薬品性にも優れる樹脂組成物。【解決手段】ＭＶＲが６０～５００ｃｍ３／１０ｍｉｎのポリフェニレンスルフィド樹脂（Ａ）を２５～６５質量部、非晶性のゴム強化ポリスチレン若しくはポリスチレン（Ｂ）及び／又はポリフェニレンエーテル樹脂（Ｃ）を、（Ｂ）と（Ｃ）の合計で３５～７５質量部を含有する（Ａ）～（Ｃ）の合計１００質量部に対し、繊維状フィラー（Ｄ）を５～１５０質量部、臭素系難燃剤（Ｅ）を１～２０質量部含有することを特徴とする樹脂組成物。【選択図】なし