Thermal-aging resistant thermoplastic resin composition comprising a dibasic acid erythritol ester, and resin molded article obtained therefrom
AssigneeAjinomoto Co., Inc.
InventorsHiroyuki Tanaka, Naoki Yasuda
Life of this patent
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Abstract
A thermoplastic resin composition comprising a thermoplastic resin, a dibasic acid erythritol ester, a filler and optionally an antioxidant. The dibasic acid erythritol ester, having a degree of esterification of not more than 50%, is added in an amount less than 1 part by weight, per 100 parts by weight of the thermoplastic resin, to improve the thermal aging resistance of the resin.
Claims10
The thermoplastic resin composition comprising a thermoplastic resin containing at least one type selected from the group consisting of a polyolefin resin, a polystyrene resin, a polyester resin, a polyamide resin and an engineering plastic, a filler and a dibasic acid erythritol ester, the amount of the dibasic acid erythritol ester being less than 1 part by weight per 100 parts by weight of the thermoplastic resin, and said ester including an ester having a degree of esterification of not more than 50%.
Dependencies are inferred from the claim text.