论文摘要
An alternative cationic polymerization method is developed to produce high molecular weight polyisobutylene(HM-PIB) with molecular weights above 5 × 105 g/mol. The method involves micelle formation via functionalized low molecular weight polyisobutylene(LM-PIB) in non-polar solvent. One end of LM-PIB is modified with an imidazolium-containing ionic group, which together with the anion(e.g. Al2Cl7) works as Lewis acid. While the monomer isobutylene dissolves readily in non-polar solvent, polymerization can occur only within the micelle, which affords stable HM-PIB particles. HM-PIB with a molecular weight(MW) close to 1 × 106 g/mol was produced successfully with the described method.
论文目录
文章来源
类型: 期刊论文
作者: Szilard Csihony,Nicole Janssen,Klaus Mühlbach
来源: Chinese Journal of Polymer Science 2019年09期
年度: 2019
分类: 工程科技Ⅰ辑
专业: 化学
单位: Advanced Materials & Systems
分类号: O613
页码: 898-902
总页数: 5
文件大小: 554K
下载量: 7
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