CATALYST SYSTEM FOR POLYMERIZATION OF COPOLYMERIZATION OF CYCLOOLEFIN HYDROCARBONS OR NORBORNENIC TYPE Russian patent published in 2000 - IPC

Abstract RU 2146683 C1

FIELD: chemistry of polymers. SUBSTANCE: catalyst system comprises halide and/or oxyhalide of V-VI group transition metal, Lewis base or chelating agent, activator, moderator and solubilizing and activating agent. Solubilizing and activating agent includes ethers, esters, organic C_2-10 acid anhydrides and ketones at molar ratios of components of 1:1-10.1-40:0.01- 10: 0.01-10. Catalyst system is prepared by using simplified technology. EFFECT: reduced corrosion activity of catalyst system components and improved properties of the resulting polymer. 45 ex, 8 tbl

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RU 2 146 683 C1

Authors

Efimov V.A.

Turov B.S.

Dates

2000-03-20—Published

1997-12-19—Filed