Experimental results demonstrate that the effect of lowmolecularweight 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
And the effects of kind of catalyst and polymerization condition on the preparation of lowmolecularweight lactic acid polymer were investigated.
研究探讨了催化剂种类及其用量、反应温度和时间等聚合条件对低分子量聚乳酸分子量的影响。
3
A novel type of functional polymer with designed structure, controlled molecularweight and low polydispersities can be prepared via ATRP (Atom Transfer Radical Polymerization).