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，研究了硝酸酯基聚醚聚氨酯的老化降解过
。
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，研究了硝酸酯基聚醚聚氨酯的老化降解过。
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