发明授权
US4681922A Thermoplastic polysiloxane-polyester (carbonate) block copolymers, their
preparation and use
失效
热塑性聚硅氧烷 - 聚酯(碳酸酯)嵌段共聚物,其制备和用途
- 专利标题: Thermoplastic polysiloxane-polyester (carbonate) block copolymers, their preparation and use
- 专利标题(中): 热塑性聚硅氧烷 - 聚酯(碳酸酯)嵌段共聚物,其制备和用途
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申请号: US676483申请日: 1984-11-29
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公开(公告)号: US4681922A公开(公告)日: 1987-07-21
- 发明人: Manfred Schmidt , Winfried Paul , Dieter Freitag , Dietrich Rathmann
- 申请人: Manfred Schmidt , Winfried Paul , Dieter Freitag , Dietrich Rathmann
- 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: DEX3344911 19831213
- 主分类号: C08G63/00
- IPC分类号: C08G63/00 ; C08G63/18 ; C08G63/68 ; C08G63/695 ; C08G64/00 ; C08G77/445 ; C08G77/448 ; C08G77/40 ; C08G63/24 ; C08G63/46
摘要:
Siloxane/polyester (carbonate) block copolymers comprising wholly aromatic polyester or polyestercarbonate units and from 0.5 to 7.5% by weight of polysiloxane blocks, exhibit an improved melt flowability without impairment of the heat stability.
公开/授权文献
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