发明授权
- 专利标题: Process for the preparation of plastics containing thermoplastic polyurethanes
- 专利标题(中): 制备含热塑性聚氨酯的塑料的方法
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申请号: US289457申请日: 1994-08-12
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公开(公告)号: US5455312A公开(公告)日: 1995-10-03
- 发明人: Herbert Heidingsfeld , Willi Meister , Jurgen Winkler
- 申请人: Herbert Heidingsfeld , Willi Meister , Jurgen Winkler
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3920838.3 19890915
- 主分类号: C08G18/08
- IPC分类号: C08G18/08 ; C08G18/10 ; C08L75/04
摘要:
The present invention relates to a process for the preparation of plastics containing thermoplastic polyurethanes and optionally other components comprising (a) melting and homogenizing a thermoplastic polyurethane in an extruder, and (b) adding an isocyanate to said extruder containing the melted and homogenized thermoplastic polyurethane.