发明名称 |
Polyoxymethylene copolymer and composition thereof |
摘要 |
A polyoxymethylene copolymer having a melting point of 167 to 173 C. and containing a low molecular weight polyoxymethylene copolymer in an amount of not higher than 5000 ppm, and a composition thereof. The copolymer is obtainable by subjecting unstable terminal groups to heat treatment in the presence of 0.05 to 50 ppm by weight of a quaternary ammonium compound. Further, the above composition is used for working parts such as a gear and a cam; apparatuses for image, music and telecommunication; interior and exterior parts for an automobile; and the like
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申请公布号 |
US6506850(B1) |
申请公布日期 |
2003.01.14 |
申请号 |
US20010763372 |
申请日期 |
2001.02.21 |
申请人 |
ASAHI KASEI KABUSHIKI KAISHA |
发明人 |
TANIMURA NORITAKA;NANASAWA ATUSHI |
分类号 |
C08G2/00;C08G2/04;C08G2/06;C08G2/10;C08L59/04;(IPC1-7):C08L61/02;C08G65/34 |
主分类号 |
C08G2/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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