Invention Grant
- Patent Title: Polyoxymethylene molding composition containing melamine formaldehyde polycondensate
- Patent Title (中): 聚甲醛成型组合物含有三聚氰胺甲醛缩聚物
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Application No.: US963729Application Date: 1978-11-27
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Publication No.: US4230606APublication Date: 1980-10-28
- Inventor: Herbert Amann , Gerhard Morlock
- Applicant: Herbert Amann , Gerhard Morlock
- Applicant Address: DEX Frankfurt am Main
- Assignee: Deutsche Gold -und Silber-Scheidearstalt vormals Roessler
- Current Assignee: Deutsche Gold -und Silber-Scheidearstalt vormals Roessler
- Current Assignee Address: DEX Frankfurt am Main
- Priority: DEX2540207 19750910
- Main IPC: C08L59/00
- IPC: C08L59/00 ; C08L59/02 ; C08L61/28
Abstract:
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.
Information query
