Experimental results demonstrate that the effect of lowmolecular weight and nonflamable polymer additives used together is better than that of using them separately.
实验结果表明：低分子阻燃剂与自熄性聚合物协同使用的阻燃效果优于两者单独使用时的阻燃效果。
2
Based on molecular design theory of polymer, a kind of low slump loss polycarboxylate type superplasticizer was synthesized.
应用高分子设计原理，合成了一种低坍损聚羧酸系高效减水剂。
3
And the effects of kind of catalyst and polymerization condition on the preparation of lowmolecular weight lactic acid polymer were investigated.