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High purity diphenylsulfone, the use for preparing, and poly (aryl ether ketone) preparation
High purity diphenylsulfone, the use for preparing, and poly (aryl ether ketone) preparation
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机译:高纯度二苯砜,用于制备的用途,以及聚(芳醚酮)的制备
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摘要
The presence of certain impurities in diphenyl sulfone have a deleterious effect on the properties of the poly(aryletherketone)s produced therein, including one or more of color, melt stability, molecular weight, crystallinity, etc. and here identify those impurities and provide processes for the removal of such impurities.
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