polymere

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学反应动力学，研究硝酸酯基聚醚聚氨酯的老化降解过。

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

同的含氮高分子-钯络合物，并研究它们对对硝基甲苯的催化活性。