发明授权
US4327207A Production of thermally stabilized polyester with alkylene carbonates
and sodium or potassium iodide
失效
生产具有亚烷基碳酸酯和碘化钠或碘化钾的热稳定聚酯
- 专利标题： Production of thermally stabilized polyester with alkylene carbonates and sodium or potassium iodide
- 专利标题（中）： 生产具有亚烷基碳酸酯和碘化钠或碘化钾的热稳定聚酯
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申请号： US155374申请日： 1980-06-02
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公开(公告)号： US4327207A公开(公告)日： 1982-04-27
- 发明人: Stanley D. Lazarus
- 申请人： Stanley D. Lazarus
- 申请人地址： NJ Morris Township, Morris County
- 专利权人： Allied Chemical Corporation
- 当前专利权人： Allied Chemical Corporation
- 当前专利权人地址： NJ Morris Township, Morris County
- 主分类号： C08G63/64
- IPC分类号： C08G63/64 ; C08G63/91 ; C08G63/30
摘要：
High molecular weight linear condensation polyesters are stabilized against deterioration by heat by reacting the polyester in molten form with alkylene carbonates in the presence of a catalytic amount of a compound selected from the group consisting of sodium iodide and potassium iodide.
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