Enzyme-catalyzed preparation of aliphatic polythioester by direct polycondensation of diacid diester and dithiol

Makoto Kato, Kazunobu Toshima, Shuichi Matsumura

研究成果: Article査読

26 被引用数 (Scopus)

抄録

Aliphatic dithiol-diacid type polythioesters were first enzymatically prepared by the direct polycondensation of hexane-1,6-dithiol and diacid diesters using the immobilized lipase from Candida antarctica (lipase CA). As a typical example, diethyl sebacate and hexane-1,6-dithiol were polymerized using lipase CA in bulk in the presence of molecular sieves 4A to produce the corresponding polythioester with an M̄w of 10 200 in 90% yield. Both the melting and crystallization temperatures of the produced polythioesters were higher when compared to those of the corresponding polyoxyesters. A higher molecular weight polythioester was produced using lipase in a two-step procedure, i.e., cyclization with subsequent ring-opening polymerization.

本文言語English
ページ(範囲)605-610
ページ数6
ジャーナルMacromolecular Rapid Communications
27
8
DOI
出版ステータスPublished - 2006 4 21

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

フィンガープリント 「Enzyme-catalyzed preparation of aliphatic polythioester by direct polycondensation of diacid diester and dithiol」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル