发明名称 PROCESS FOR PREPARING ARAMID COPOLYMER
摘要 The invention concerns processes for forming a polymer comprising residues of terephthaloyl chloride, paraphenylene diamine, and a salt of formula I wherein A−is a halogen anion, HSO4−, OH−, NO3−, C2H3O2−, or H2PO4−; the process comprising the steps of: a) forming a mixture comprising salt of formula I and paraphenylene diamine in a solvent system comprising an organic solvent and an inorganic salt; and b) adding terephthaloyl chloride to the mixture and allowing the formation of the polymer.
申请公布号 KR20140051981(A) 申请公布日期 2014.05.02
申请号 KR20147004833 申请日期 2012.07.27
申请人 E.I. DU PONT DE NEMOURS AND COMPANY 发明人 LEE KIU SEUNG
分类号 C08G69/32;C08G69/46;C08G73/18;C08J3/20;C08J5/00;C08L77/10;C08L79/08 主分类号 C08G69/32
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