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两相乳化法制备球形Ziegler-Natta催化剂的影响因素及其催化丙烯聚合性能研究

Mingkai LI,Guorong XIONG, Jing WANG,Tao JIANG,Jian LI

Journal of Tianjing University of Science & Technology（2018）

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Abstract
通过两相乳化法制备球形Ziegler-Natta(简称Z-N)催化剂,考察脂肪醇种类、醇镁物质的量比、程序升温速率、氯代烃种类对Z-N催化剂形貌及粒径分布的影响规律,通过SEM、激光粒度仪等对形态和粒度进行表征,并研究其催化丙烯聚合的性能.研究表明:两相乳化法体系内以异辛醇为脂肪醇,醇镁物质的量比设定为2.5,以1-氯丁烷作为卤代烃,程序升温速率0.20℃/min时所制备出催化剂的球形度高且粒径分布窄.聚合评价结果表明其活性高且产物性能良好.
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