PREPARATION OF SOLUBLE AROMATIC POLYAMIDE COPOLYMERS BY POLYCODENSATION OF p-PHENYLENE DIAMINE, TRIMESIC ACID AND p-AMINDBENZOIC ACID

 
  • 对苯二胺和均苯三酸及对氨基苯甲酸制备可溶性芳香聚酰胺共聚物的研究
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