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化反应，研究了硝酸酯基聚聚氨酯的老化降解。

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

备了两种不同的含氮高分子-钯络合物，并研究了它们对对硝基甲苯的催化活性。