一种相分离聚碳酸酯聚合催化剂。

A phase separable polycarbonate polymerization catalyst.

作者信息

Hongfa Chayanant, Tian Jianhua, Andreatta Jeremy, Darensbourg Donald J, Bergbreiter David E

机构信息

Chemistry Dept., Texas A&M Univ., College Station, TX 77842, USA.

出版信息

Chem Commun (Camb). 2008 Feb 28(8):975-7. doi: 10.1039/b711861a. Epub 2007 Dec 17.

DOI:10.1039/b711861a

PMID:18283354

Abstract

Polyisobutylene is shown to be a nonpolar phase tag that separates a highly colored salen Cr(III) complex from products but is otherwise kinetically similar to a low molecular weight salen Cr(III) complex in polycarbonate formation by Cr(III)-catalyzed copolymerization of CO2 and cyclohexene oxide.

摘要

聚异丁烯被证明是一种非极性相标记物，它能将一种高显色的席夫碱铬（III）配合物与产物分离，但在通过铬（III）催化二氧化碳与环氧环己烷共聚形成聚碳酸酯的过程中，其动力学性质与低分子量席夫碱铬（III）配合物相似。