In this work,a fully rigid coplanar symmetric heterocyclic unit was introduced into the rigid polyimide macromolecular b......

本文通过对荣华二采区10...

对按PTA法工艺路线共聚制备抗起球阳离子染料易染聚酯的小试进行了研究。结果表明，采用在缩聚前加入抗起球剂的方式，控制醇／酸投料物......

本文提出了一种在固态条件下,通过磷酸（5 mol%）催化半乳糖与葡聚糖共聚合成了半乳糖基葡聚糖的方法。采用1 H NMR确定了不同条件下产......

脂肪族聚酯由于其生物降解性和经济性，已成为国内外降解材料研究的重点。以丁二酸和丁二醇为原料，通过熔融缩聚法合成聚丁二酸丁二醇......

氰酸酯树脂以其优异的综合性能成为新一代高性能材料。介绍了氰酸酯树脂与热塑性树脂，橡胶弹性体，热固性树脂及含有不饱和双键的化合......

Modified diphenyl oxide resin was synthesized by co-polymerization of unsaturated acidand diphenyl oxide derivants. And ......

Oxidation of aliphatic and aromatic halides by N-oxide functionalities supported on 4- vinyl pyridine, (4-VP), grafted c......