发明授权
US4433116A Process for increasing the relative viscosity of polycaprolactam with
phosphite compound
失效
增加聚己内酰胺与亚磷酸酯化合物的相对粘度的方法
- 专利标题： Process for increasing the relative viscosity of polycaprolactam with phosphite compound
- 专利标题（中）： 增加聚己内酰胺与亚磷酸酯化合物的相对粘度的方法
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申请号： US453210申请日： 1982-12-27
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公开(公告)号： US4433116A公开(公告)日： 1984-02-21
- 发明人: Theodore Largman , Shaul M. Aharoni
- 申请人： Theodore Largman , Shaul M. Aharoni
- 申请人地址： NJ Morris Township, Morris County
- 专利权人： Allied Corporation
- 当前专利权人： Allied Corporation
- 当前专利权人地址： NJ Morris Township, Morris County
- 主分类号： C08G69/48
- IPC分类号： C08G69/48
摘要：
A process for rapidly and substantially decreasing the melt index and increasing the viscosity of polymers of caprolactams during melt processing by forming a molten mixture of the polymer and a phosphite compound and heating the mixture until the desired change in melt index and viscosity are obtained.
公开/授权文献
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