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US4661584A Preparation of polyarylene sulphide in presence of amino carboxylic acid 失效
在氨基羧酸存在下制备聚亚芳基硫醚

Preparation of polyarylene sulphide in presence of amino carboxylic acid
摘要:
This invention relates to optionally branched polyarylene sulphides and a process for the production thereof in a polar solvent, from 0.2 to 100 mole %, based on the aromatic dihalogen compounds, of an amino acid being added to the reaction mixture.
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