Multistep Bulk-/Gas-Phase Polymerization of Propene in a Reaction Calorimeter

被引：0

作者：

Valaei, Sina ^{[1
]}

Bartke, Michael ^{[2
]}

机构：

[1] Borealis Polymers Oy, Muoventie 19, Porvoo 06850, Finland

[2] Martin Luther Univ Halle Wittenberg, Inst Chem, Polymer React Engn, D-06099 Halle, Germany

来源：

MACROMOLECULAR REACTION ENGINEERING | 2022年 / 16卷 / 06期

关键词：

multistep polymerization of propene; polymerization kinetics; reaction calorimetry; ZIEGLER-NATTA CATALYST; LIQUID PROPYLENE; GAS-PHASE; HYDROGEN; KINETICS;

D O I：

10.1002/mren.202200018

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This article outlines a kinetic study of two different Ziegler-Natta type catalysts in multistep bulk-/gas-phase polymerization of propene in a reaction calorimeter. In the first stage, bulk-phase polymerization of propene, the matrix material is produced and kinetic information about the polymerization is extracted from power compensation calorimetry data. Focus is set on the influence of hydrogen on polymerization kinetics and comparing the performance of the two catalysts. In the 2nd stage, gas-phase copolymerization of propene and ethylene, an elastomeric copolymer is produced as impact modifier and kinetic information is obtained from semibatch operation in constant conditions. The influence of monomer/comonomer ratio on copolymerization behavior of the two catalysts is investigated and compared.

引用

页数：11

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