Thiol-ene Adhesives From Clove Oil Derivatives

Document Type

Article

Publication Date

11-12-2014

School

Polymer Science and Engineering

Abstract

This paper reports the synthesis of catechol-functionalized thiol–ene polymer networks as photocurable adhesives, where the adhesive interactions are derived from 4-allylpyrocatechol – a monofunctional alkene readily obtained from natural products of Syzygium aromaticum flower buds (clove). The thiol–ene photopolymerization process enables rapid cure times, low energy input, and solvent-free processing. The resulting polymer networks show improved macroscopic adhesion to a variety of substrates – including glass, marble, aluminum, and steel – by varying the concentration of 4-allylpyrocatechol in the network. Additionally, the effects of the catechol moiety on polymerization kinetics, thermomechanical, and mechanical properties were determined by comparing the synthesized catechol moiety to a series of control monomers such as eugenol (one phenol group) and methyl eugenol (no phenol groups).

Publication Title

RSC Advances

Volume

4

Issue

106

First Page

61927

Last Page

61935

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