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PROCESS FOR PRODUCING PARA-ARAMID WITH LOW Ca?++ AND Cl-¿ CONTENT
PROCESS FOR PRODUCING PARA-ARAMID WITH LOW Ca?++ AND Cl-¿ CONTENT
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机译:低含量Ca?++和Cl-¿含量的生产芳族聚酰胺的方法
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摘要
A process for producing para-aramids is disclosed. Low levels of residual Ca?++ and Cl-¿ in the para-aramid product are achieved by washing the para-aramid reaction product in water which includes pH-adjusting agents.
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