发明授权
US4065517A Flame retardant polysulfone composition 失效
阻燃聚砜组合物

Flame retardant polysulfone composition
摘要:
A polysulfone composition comprises 1 to 20 wt. % of polyphosphonate having the formula ##STR1## WHEREIN X represents Br or Cl; Y represents a C.sub.1-8 alkylidene group or sulfone group; a and bare respectively integers of 1 to 4 and n is an integer of 2 to 100.
公开/授权文献
信息查询
0/0