The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.

运用聚合物的溶胀理论和学反应动力学，硝酸酯基聚聚氨酯的老过程。

Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.

制备两种不同的含氮高分子-钯络合物，并它们对对硝基甲苯的催活性。