发明授权
US4754016A Process for preparing polyamide with organic phosphine/organic disulfide mixture condensing agent 失效
用有机膦/有机二硫化物混合物缩合剂制备聚酰胺的方法

Process for preparing polyamide with organic phosphine/organic disulfide
mixture condensing agent
摘要:
A process for preparing a polyamide which comprises polycondensing a dicarboxylic acid and a diamine by using a combination of at least one phosphine and at least one disulfide as the condensing agent.
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