Thioureido compound containing polypropylene catalyst, and preparation method and applications thereof

• Main Authors: LIU CHENGQI, XU RENWEI, MU XUEMEI, NIU CHENGXIANG, WANG XIONG, WEI QINGHUA, HAN ZHENGANG, MU RUIJUAN, LI YANQIN, HAN XIAOYU
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2019
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The invention relates to a thioureido compound containing polypropylene catalyst and a preparation method thereof. a magnesium halide carrier can be mixed with titanium tetrahalide, and a thioureido compound can be carried as an internal electron donor on a solid; and a polypropylene solid catalyst containing titanium, magnesium, halogen and the thioureido compound can be obtained through the washing of the titanium tetrahalide and an inert diluent, and the obtained polypropylene catalyst has high activity and good hydrogen response. 本发明涉及种含硫脲基化合物的丙烯聚合催化剂及其制备方法，具体是将卤化镁载体与四卤化钛混合，再使用硫脲基化合物作为内给电子体载于固体上；用四卤化钛和惰性稀释剂洗涤得到含有钛、镁、卤素和硫脲基化合物的聚丙烯固体催化剂，所得的聚丙烯催化剂具有较高的活性和较好的氢调敏感性。