【摘 要】
：
利用异丁基三乙氧基硅烷作为外给电子体与N-Ⅲ催化剂组成高活性及高氢调敏感性催化体系,在间歇式液相本体法聚丙烯生产工艺中,通过控制每釜氢气加入量为氢气钢瓶压降23～25 MPa
【机 构】
：
湖北省化工研究设计院,洛阳石油化工总厂
论文部分内容阅读
利用异丁基三乙氧基硅烷作为外给电子体与N-Ⅲ催化剂组成高活性及高氢调敏感性催化体系,在间歇式液相本体法聚丙烯生产工艺中,通过控制每釜氢气加入量为氢气钢瓶压降23～25 MPa,单釜主催化剂加入量65 g,生产熔融指数在30～35 g/10 min之间的高熔指聚丙烯,产品等规度97.0%,灰分1.3×10-4.实验证明,异丁基三乙氧基硅烷作为外给电子体的N-Ⅲ催化体系反应初期活性适中,活性衰减慢,无明显放热高峰.
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