Polycarbonate resin composition and molded article made thereof

JP2026096977APending Publication Date: 2026-06-16TEIJIN LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
TEIJIN LTD
Filing Date
2024-12-04
Publication Date
2026-06-16

AI Technical Summary

Benefits of technology

【0006】 本発明のポリカーボネート樹脂組成物は、寸法精度、剛性、流動性 耐熱性、低そり性および成形品外観に優れることから、電気·電子用途、機械用途、OA用途、自動車外装部品、医療用途およびその他の各種用途において幅広く有用である。中でもカーナビゲーション筐体および自動車バッテリー外殻部品等の自動車内外装部品として極めて有用な成形品を提供するものであり、本発明の奏する産業上の効果は極めて大きい。

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Abstract

The present invention provides a polycarbonate resin composition and molded articles made therefrom that exhibit excellent dimensional accuracy, rigidity, fluidity, heat resistance, low warping, and molded article appearance. [Solution] A polycarbonate resin composition containing (A) 100 parts by weight of polycarbonate resin (component A), (B) 10 to 150 parts by weight of glass filler (component B) consisting of plate-shaped glass filler (component B-1) and fibrous glass filler (component B-2), with a weight ratio of component B-1 to component B-2 (component B-1 / component B-2) of 100 / 0 to 50 / 50, and (C) 0.1 to 20 parts by weight of polyoxyalkylene dibenzoate (component C).
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Claims

1. A polycarbonate resin composition comprising (A) 100 parts by weight of polycarbonate resin (component A), (B) 10 to 150 parts by weight of glass filler (component B) consisting of plate-shaped glass filler (component B-1) and fibrous glass filler (component B-2), with a weight ratio of component B-1 to component B-2 (component B-1 / component B-2) of 100 / 0 to 50 / 50, and (C) 0.1 to 20 parts by weight of polyoxyalkylene dibenzoate (component C).

2. The polycarbonate resin composition according to claim 1, wherein component C is a polyoxyalkylenedibenzoate having an average molecular weight of 300 to 600.

3. The polycarbonate resin composition according to claim 1 or 2, comprising 100 parts by weight of component A and 1 to 30 parts by weight of (D) a thermoplastic resin other than component A (component D).

4. The polycarbonate resin composition according to claim 1 or 2, comprising 0.01 to 3 parts by weight of (E) phosphorus-based stabilizer (component E) per 100 parts by weight of component A.

5. A molded article made from the polycarbonate resin composition according to claim 1 or 2.

6. A molded article according to claim 5, which is an interior or exterior part of an automobile.