Title:
POLYACETAL RESIN COMPOSITION, AND RESIN GEAR
Document Type and Number:
Japanese Patent JP2023002160
Kind Code:
A
Abstract:
To provide a polyacetal resin composition excellent in durability, mechanical characteristic, and slidable property, and a resin gear.SOLUTION: A polyacetal resin composition includes: (A) 100 pts.mass of a linear polyacetal copolymer including an oxymethylene unit as a main constituent, and a predetermined rate of an oxyalkylene unit as a comonomer unit, and having an MFR of a predetermined value; (B) 1-10 pts.mass of a polyacetal copolymer having a predetermined branched or cross-linked structure; (C) 0.5-10 pts.mass of a predetermined modified olefinic polymer; (D) 0.01-5 pts.mass of a predetermined alkylene glycol-based polymer; (E) 0.1-20 pts.mass of predetermined calcium carbonate; (F) 0.1-10 pts.mass of a partial ester of a polyvalent alcohol having a valence of two or higher and four or lower; and (G) 0.1-10 pts.mass of an alpha-olefin oligomer.SELECTED DRAWING: None
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Inventors:
KANDA YUKI
Application Number:
JP2021103213A
Publication Date:
January 10, 2023
Filing Date:
June 22, 2021
Export Citation:
Assignee:
POLYPLASTICS CO
International Classes:
C08L59/04; C08G2/18; C08K13/04; C08L13/00; C08L71/02; F16H55/06
Domestic Patent References:
| JP5847261B1 | 2016-01-20 | |||
| JP2016145278A | 2016-08-12 | |||
| JP2018002830A | 2018-01-11 | |||
| JP2002003694A | 2002-01-09 | |||
| JP2012136656A | 2012-07-19 | |||
| JP2012116883A | 2012-06-21 |
Foreign References:
| WO2019065465A1 | 2019-04-04 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu