发明授权
- 专利标题: Polyoxymethylene molding composition containing melamine formaldehyde polycondensate
- 专利标题(中): 聚甲醛成型组合物含有三聚氰胺甲醛缩聚物
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申请号: US715802申请日: 1976-08-19
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公开(公告)号: US4139575A公开(公告)日: 1979-02-13
- 发明人: Herbert Amann , Gerhard Morlock
- 申请人: Herbert Amann , Gerhard Morlock
- 申请人地址: DEX Frankfurt Main
- 专利权人: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- 当前专利权人: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- 当前专利权人地址: DEX Frankfurt Main
- 优先权: DEX2540207 19750910
- 主分类号: C08L59/00
- IPC分类号: C08L59/00 ; C08L59/02 ; C08L61/28 ; C08L61/32
摘要:
In a molding composition comprising a polyoxymethylene, a melamine formaldehyde polycondensate and an antioxidation agent, the improvement wherein said melamine formaldehyde polycondensate is a finely divided, cross-linked, substantially water insoluble polycondensate comprising the precipitation product obtained by reacting formaldehyde and melamine in a molar ratio between 1.2 : 1 and 10.0 : 1; and wherein said polycondensate is in an amount of about 0.001 to about 30 percent by weight, related to the total weight of said composition.
公开/授权文献
- US5801632A Climate controlled outdoor enclosure 公开/授权日:1998-09-01