A strategy for increasing molecular weight of polyester by Lipase-Catalyzed polymerization

Hiroki Ebata, Kazunobu Toshima, Shuichi Matsumura

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

A strategy for increasing the molecular weight of a polyester by lipase-catalyzed polymerization of a lactone and hydroxy acid was developed using azeotropic dehydration with toluene and a Dearn-Stark trap packed with molecular sieves. Thus, polycaprolactone (PCL) and poly(15-hydroxypentadecanoic acid) having number-average molecular weights of 81000 and 42000, respectively, were obtained by a 6-h polymerization at 70 °C.

Original languageEnglish
Pages (from-to)798-799
Number of pages2
JournalChemistry Letters
Issue number8
DOIs
Publication statusPublished - 2001 Jan 1

ASJC Scopus subject areas

  • Chemistry(all)

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