发明授权
US4123503A Catalysis of phosphazene cyclics to polymer, using Lewis acid compounds 失效
使用路易斯酸化合物将磷腈环化合物催化成聚合物

Catalysis of phosphazene cyclics to polymer, using Lewis acid compounds
摘要:
Thermal polymerization of (NPCl.sub.2).sub.3,4 is improved by conducting the polymerization in the presence of Lewis Acid type compounds of Al or B.
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