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

Thermoplastic polysiloxane-polyester (carbonate) block copolymers, their
preparation and use
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
信息查询
0/0