Title:
POLYACETAL RESIN GEAR AND METHOD FOR IMPROVING FATIGUE RESISTANCE OF POLYACETAL RESIN GEAR
Document Type and Number:
WIPO Patent Application WO/2023/276481
Kind Code:
A1
Abstract:
Provided is a polyacetal resin gear comprising a polyacetal resin or a resin composition containing a polyacetal resin. The polyacetal resin is obtained by copolymerizing trioxane (A), a cyclic acetal compound (B) and an aliphatic glycidyl ether compound (C) having one glycidyloxy group per molecule. Relative to the total amount of the components (A) to (C), the amount of the cyclic acetal compound (B) is 0.5-2.5 mol% and the amount of the aliphatic glycidyl ether compound (C) is 0.02-0.7 mol%.
Inventors:
YOKOTA TOMOAKI (JP)
Application Number:
PCT/JP2022/020801
Publication Date:
January 05, 2023
Filing Date:
May 19, 2022
Export Citation:
Assignee:
POLYPLASTICS CO (JP)
International Classes:
C08G2/10; C08G2/24; F16H55/06
Foreign References:
| JP2003105048A | 2003-04-09 | |||
| JP2005132896A | 2005-05-26 | |||
| JP2001288236A | 2001-10-16 | |||
| JP2003286386A | 2003-10-10 | |||
| JP2002356603A | 2002-12-13 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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