Dispersing agent, olefin polymerization catalyst slurry and preparation method and application thereof

The invention relates to the technical field of catalyst dispersing agents, and discloses a dispersing agent, olefin polymerization catalyst slurry and a preparation method and application thereof. The dispersing agent is prepared from 60 to 90 parts by weight of distillate oil and 10 to 40 parts by weight of tackifier; wherein the tackifier is selected from an ethylene-propylene copolymer and/or polymethacrylate. The dispersing agent provided by the invention is low in production cost, simple in preparation process and good in adaptability to polymerization reaction raw materials, and can improve the activity of a catalyst in olefin polymerization catalyst slurry, promote the occurrence of polymerization reaction and ensure stable production. 本发明涉及催化剂分散剂技术领域，公开了一种分散剂、烯烃聚合催化剂浆液及其制备方法和应用。所述分散剂包括60-90重量份的馏分油和10-40重量份的增粘剂；其中，所述增粘剂选自乙烯丙烯共聚物和/或聚甲基丙烯酸酯。本发明中提供的分散剂，生产成本低，制备工艺简单，对聚合反应原料适应性好，可以提高烯烃聚合催化剂浆液中催化剂的活性，促进聚合反应的发生，确保生产稳定进行。