Invention Grant
US08853336B2 Boron trifluoride-catalyst complex and process for preparing high-reactivity isobutene homopolymers 有权
三氟化硼 - 催化剂络合物和制备高反应性异丁烯均聚物的方法

Boron trifluoride-catalyst complex and process for preparing high-reactivity isobutene homopolymers
Abstract:
A catalyst complex composed of boron trifluoride and a cocatalyst mixture of 10 to 90% by weight of a monohydric primary C1- to C20-alcohol and 90 to 10% by weight of a monohydric secondary C3- to C20-alcohol, where the molar ratio of boron trifluoride to the sum of all alcohols is 2:1 to 1:10. This catalyst complex is used in the preparation of high-reactivity isobutene homopolymers having a number-average molecular weight of 300 to 50 000, using, as the feedstock, a C4 hydrocarbon mixture comprising at least 20% by weight of isobutene and a total of at least 10% by weight of other C4 olefins.
Information query
Patent Agency Ranking
0/0