Title:
METHOD FOR PRODUCING STABILIZED POLYACETAL RESIN, STABILIZED POLYACETAL RESIN, COMPOSITION AND MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2008/001556
Kind Code:
A1
Abstract:
Disclosed is a method for producing a stabilized polyacetal resin wherein unstable end groups are reduced. Also disclosed is a processing agent for decomposing unstable end groups, which is excellent in odor characteristics and effective even when added in a small amount. Specifically disclosed is a method for producing a stabilized polyacetal resin wherein a polyacetal resin having unstable end groups is thermally processed in the presence of a processing agent for decomposing unstable end groups which is composed of a quaternary phosphonium salt, thereby reducing the unstable end groups.
Inventors:
HARASHINA HATSUHIKO (JP)
Application Number:
PCT/JP2007/060285
Publication Date:
January 03, 2008
Filing Date:
May 14, 2007
Export Citation:
Assignee:
POLYPLASTICS CO (JP)
HARASHINA HATSUHIKO (JP)
HARASHINA HATSUHIKO (JP)
International Classes:
C08G2/30; C08L59/00
Domestic Patent References:
| WO1998042781A1 | 1998-10-01 |
Foreign References:
| JPH10324790A | 1998-12-08 |
Attorney, Agent or Firm:
FURUYA, Satoshi et al. (2-17-8 Nihonbashi-Hamacho, Chuo-k, Tokyo 07, JP)
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