A method for preparing a spray dried catalyst and a low viscosity, low foam spray dried catalyst system for olefin polymerization are provided.
提供了制备喷雾干燥的催化剂的方法和用于烯烃聚合的低粘度、低发泡的喷雾干燥的催化剂体系。
A low free TDI polyurethane crosslinker, through catalyst polymerization technology, has been prepared.
采用催化聚合法合成了低游离TDI聚氨酯固化剂。
And the effects of kind of catalyst and polymerization condition on the preparation of low molecular weight 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。
And the effects of kind of catalyst and polymerization condition on the preparation of low molecular weight 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。
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