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Antielectrostatic agent addition in low-dielectric-constant polymerization media

机译:在低介电常数聚合介质中添加抗静电剂

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摘要

In the coordinative polymerization of α-olefin by a slurry process, a low-dielectric-constant suspending agent, such as hexane or heptane, must be used. As a result of solvent movement and its friction between system components, electrostatic charges are generated. Because of low electrical conduction of these solvents, the generated charges accumulate in the polymerization medium. Consequently, a repulsive force between same charges effects the growth of the polymer particles and causes them to form fine particles. In this article, we present research results on the effects of antielectrostatic agents on the increase of the electrical conduction of the polymerization medium, particle size distribution, and also the quantity of fine particles in the final polymer. Techniques gained from the fuel industry were applied to modify the subjected polymerization medium.
机译:在通过淤浆法的α-烯烃的配位聚合中,必须使用低介电常数的悬浮剂,例如己烷或庚烷。由于溶剂的移动及其在系统组件之间的摩擦,会产生静电荷。由于这些溶剂的低导电性,所产生的电荷积聚在聚合介质中。因此,相同电荷之间的排斥力影响聚合​​物颗粒的生长,并使它们形成细颗粒。在本文中,我们介绍了抗静电剂对聚合介质电导率增加,粒度分布以及最终聚合物中细颗粒数量的影响的研究结果。从燃料工业获得的技术被用于改性所经受的聚合介质。

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