THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PREPARING SAME, AND MOLDED ARTICLE COMPRISING SAME

Title:

THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PREPARING SAME, AND MOLDED ARTICLE COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2023/033431

Kind Code:

A1

Abstract:

The present disclosure relates to a thermoplastic resin composition, a method for preparing same, and a molded article comprising same and, more specifically, to a thermoplastic resin composition, a method for preparing same, and a molded article including same, the thermoplastic resin composition comprising: (A) 35-50% by weight of a polybutylene terephthalate resin having an intrinsic viscosity of 0.6-0.9 dl/g; (B) 5-15% by weight of a polyethylene terephthalate homo polymer; (C) 7-9% by weight of an acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer containing 23-35% by weight of a vinyl cyan compound; (D) 7-12% by weight of an aromatic vinyl compound-vinyl cyan compound copolymer containing 26-40% by weight of a vinyl cyan compound; and (E) 20-37% by weight of a glass fiber containing 50-70% by weight of silica (SiO2). According to the present invention, provided are a thermoplastic resin composition having an excellent heat resistance, an excellent fluidity, and excellent mechanical properties, such as impact strength, tensile strength, flexural strength, and flexural modulus, so as to be suitable as a material for automobile exterior materials and electric parts, a method for preparing same, and a molded article comprising same.

Inventors:

KONG SEONHO (KR)
KO GUN (KR)
SON SUN MO (KR)

Application Number:

PCT/KR2022/012540

Publication Date:

March 09, 2023

Filing Date:

August 22, 2022

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C08L67/02; C08J7/14; C08L25/12; C08L51/06

Foreign References:

KR20020016845A	2002-03-06
JP2016137713A	2016-08-04
KR20170072213A	2017-06-26
KR20140099517A	2014-08-12
KR101192871B1	2012-10-18
KR20210116823A	2021-09-28
KR20220101011A	2022-07-18

Other References: