申请人:BASF SE
公开号:US10745496B2
公开(公告)日:2020-08-18
A process for preparing isobutene homo- or copolymer derivatives by (i) polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an iron halide-donor complex, an aluminum trihalide-donor complex, or an alkylaluminum halide-donor complex, (ii) reacting a resulting high-reactivity isobutene polymer with a compound which introduces a low molecular weight polar group or a substructure thereof, and (iii) in the case of reaction with a substructure, further reacting to complete the formation of the low molecular weight polar group. The homo- or copolymer derivatives include a radical of a hydrophobic polyisobutene polymer having a number-average molecular weight of 110 to 250 000 and low molecular weight polar groups including amino functions, nitro groups, hydroxyl groups, mercaptan groups, carboxylic acid or carboxylic acid derivative functions, sulfonic acid or sulfonic acid derivative functions, aldehyde functions and/or silyl groups.
一种制备异丁烯均聚物或共聚物衍生物的工艺,其方法是 (i) 在卤化铁络合物、三卤化铝络合物或烷基卤化铝络合物存在下,使异丁烯或含有异丁烯的单体混合物聚合、(iii) 在与亚结构反应的情况下,进一步反应以完成低分子量极性基团的形成。均聚物或共聚物衍生物包括疏水性聚异丁烯聚合物的基团,其平均分子量为 110 至 250 000,低分子量极性基团包括氨基、硝基、羟基、硫醇基、羧酸或羧酸衍生物、磺酸或磺酸衍生物、醛基和/或硅基。