POLYACETAL RESIN COMPOSITION AND SLIDING MEMBER

Title:

POLYACETAL RESIN COMPOSITION AND SLIDING MEMBER

Document Type and Number:

WIPO Patent Application WO/2020/255544

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide a polyacetal resin composition and a sliding member, the polyacetal resin composition having excellent performance with respect to friction/abrasion characteristics while maintaining good appearance of a molded article thereof or low occurrence of die contamination during molding.　The purpose of the present invention is achieved by a polyacetal resin composition containing at least (A) 100 parts by mass of a polyacetal resin, (B) 0.01 part by mass to 1 part by mass of a hindered-phenol-based antioxidant, (C) 0.3 part by mass to 5 parts by mass of silicone oil, (D) 0.1 part by mass to 1.0 part by mass of calcium carbonate, and (E) 0.02 part by mass to 0.2 part by mass of a fatty acid, the calcium carbonate (D) being precipitated calcium carbonate which is not surface-treated and which has an average particle diameter of 1 µm or less, and the fatty acid (E) being a C12-30 fatty acid.

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Inventors:

HATTORI KAZUYUKI (JP)
MONMA TOMOHIRO (JP)

Application Number:

PCT/JP2020/016076

Publication Date:

December 24, 2020

Filing Date:

April 10, 2020

Export Citation:

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Assignee:

POLYPLASTICS CO (JP)

International Classes:

C08K5/09; C08K3/26; C08K5/13; C08L59/00; C08L83/04

Domestic Patent References:

WO2016151946A1

2016-09-29

Foreign References:

JP2013124364A	2013-06-24
JP2008019430A	2008-01-31

Other References: