POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION

• Main Authors: USHIJIMA RYUJI, OSANO KEIICHI, SAKATA KOICHI
• Format: Patent
• Language: English; Japanese
• Published: 28.04.2016
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

PROBLEM TO BE SOLVED: To provide a polybutylene terephthalate resin composition capable of suppressing generation of foreign matter during molding while improving hydrolysis resistance.SOLUTION: The polybutylene terephthalate resin composition contains: a polybutylene terephthalate resin; and an aromatic epoxy compound which has a number average molecular weight of 1,500 or less, has two or more epoxy groups, and is solid at 70°C. The aromatic epoxy compound is preferably a biphenyl type epoxy compound.SELECTED DRAWING: None 【課題】耐加水分解性を向上させつつ、成形の際の異物の発生を抑制し得るポリブチレンテレフタレート樹脂組成物を提供する。【解決手段】ポリブチレンテレフタレート樹脂と、数平均分子量１５００以下でエポキシ基を２つ以上有する、７０℃で固体の芳香族エポキシ化合物とを含むポリブチレンテレフタレート樹脂組成物である。前記芳香族エポキシ化合物としては、ビフェニル型エポキシ化合物であることが好ましい。【選択図】なし