Block Copolymer Pressure-Sensitive Adhesives Derived from Fatty Acids and Triacetic Acid Lactone

Hussnain Sajjad, William B. Tolman, Theresa M. Reineke

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

A method for the development of ABA triblock copolymers for high-performance pressure-sensitive adhesives from the biorenewable chemicals lauryl acrylate and triacetic acid lactone (TAL) is presented. Lauryl acrylate, readily derived from vegetable oils, was polymerized via a reversible addition-fragmentation chain-transfer process to yield high-molecular-weight telechelic polymers. The synthesis of triblock copolymers was accomplished by subsequent chain extension with TAL, which is available from carbohydrates via the action of genetically modified yeast. The resulting triblock copolymers were found to exhibit excellent adhesion, with tunable peel forces up to 8 N cm-1when a rosin ester-based tackifier was used. Tack forces up to 7 N cm-1and no shear failure up to 100 h demonstrate the competitive performance of the potentially sustainable adhesives with commercial commodity products.

Original languageEnglish (US)
Pages (from-to)2719-2728
Number of pages10
JournalACS Applied Polymer Materials
Volume2
Issue number7
DOIs
StatePublished - Jul 10 2020

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation under the Center for Sustainable Polymers (CHE-1901635). The authors acknowledge John Beumer for creating the 3-D model images of the adhesion tests in .

Publisher Copyright:
Copyright © 2020 American Chemical Society

Keywords

  • block polymer
  • lauryl acrylate
  • pressure-sensitive adhesives
  • sustainability
  • sustainable polymers
  • triacetic acid lactone (TAL)
  • triblock copolymers

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