Invention Application
- Patent Title: AUTOMOBILE INTERIOR COMPONENT MADE FROM POLYACETAL RESIN
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Application No.: US17637624Application Date: 2020-06-09
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Publication No.: US20220275196A1Publication Date: 2022-09-01
- Inventor: Hatsuhiko HARASHINA , Tomohiro MONMA , Akihiro TAMAOKA
- Applicant: Polyplastics Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: Polyplastics Co., Ltd.
- Current Assignee: Polyplastics Co., Ltd.
- Current Assignee Address: JP Tokyo
- Priority: JP2019-176950 20190927
- International Application: PCT/JP2020/022628 WO 20200609
- Main IPC: C08L59/00
- IPC: C08L59/00

Abstract:
An automobile interior component obtained using a specific polyacetal resin composition which allows for stable suppression of the generation of mold deposits during molding at elevated temperatures, and the reduction of the amount of formaldehyde generated from a molded article to an extremely low level, as well as the prevention of the bleed-out of an added component from the molded article, and the retention of a favorable appearance of the molded article. The automobile interior component is obtained using a polyacetal resin composition containing, at least 100 parts by mass of a polyacetal polymer (A); 0.03 to 0.30 parts by mass of a hindered phenol antioxidant (B); 0.01 to 0.50 parts by mass of an aliphatic carboxylic acid hydrazide (C); 0.001 to 0.50 parts by mass of a hydantoin compound having two hydrazinocarbonylalkyl groups (D); and 0.001 to 0.30 parts by mass of an alkaline earth metal salt of an aliphatic carboxylic acid (E), and the total amount of the components (C) and (D) is 0.03 to 0.55 parts by mass with respect to 100 parts by mass of the polyacetal polymer (A).
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