Effects of reaction temperature, reaction time, solvent, catalyst and its amount on prepolymerization was studied.
探讨了反应温度、反应时间、溶剂、催化剂及用量对预聚反应的影响。
The effects of catalyst and its amount, temperature, reaction time and molar ratio of the raw material on the reaction were studied.
通过试验考察了催化剂及用量、反应温度、反应时间及物料配比等因素对反应的影响。
The catalyst system is very stable at ambient temperature and its stability is enhanced by addition of small amount of styrene monomer during preparation.
该催化体系有较高的低温稳定性，在陈化时加入少量苯乙烯单体能增强其稳定性。
The catalyst system is very stable at ambient temperature and its stability is enhanced by addition of small amount of styrene monomer during preparation.
该催化体系有较高的低温稳定性，在陈化时加入少量苯乙烯单体能增强其稳定性。
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