High molar mass poly(ricinoleic acid): via entropy-driven ring-opening metathesis polymerization

Ryohei Ogawa, Marc A. Hillmyer

Research output: Contribution to journalArticlepeer-review

Abstract

High molar mass poly(ricinoleic acid) with a weight average molar mass over 400 kg mol-1 was synthesized via entropy-driven ring-opening metathesis polymerization of mono-, di- and mixed macrolactones of ricinoleic acid using a Grubbs second-generation catalyst and fully characterized. The high molar mass was achieved by reducing the catalyst loading, and the resultant polymer product had a very low level of ruthenium (36 ppm as Ru based on G2 feed), was colorless and exhibited a high decomposition temperature without purification steps aimed at removing ruthenium. This journal is

Original languageEnglish (US)
Pages (from-to)2253-2257
Number of pages5
JournalPolymer Chemistry
Volume12
Issue number15
DOIs
StatePublished - Apr 21 2021

Bibliographical note

Funding Information:
This research was supported by the “Industrial Partnership for Research in Interfacial and Materials Engineering” (IPRIME) of the University of Minnesota through parts of Mitsui Chemicals’ membership and their participation in the Industrial Fellows Program. This work was also supported by the NSF Center for Sustainable Polymers, CHE-1901635. Dr Christopher A. DeRosa is thanked for his advice and input.

Publisher Copyright:
© The Royal Society of Chemistry.

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