Journal
MATERIALS HORIZONS
Volume 4, Issue 6, Pages 1041-1053Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7mh00488e
Keywords
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Funding
- People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme FP7/ under REA grant [607882]
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Future advancement of coatings relies on new synthetic building blocks and methods that enable added functionality, while minimising the environmental impact and cost. This review highlights the use of thiol-ene chemistry for surface modification and coatings, a topic of increasing interest in academic and industrial context since the beginning of this century. This chemistry platform has the advantages of rapid and uniform cross-linking, delayed gelation, reduced shrinkage, and insensitivity to oxygen. Recently, it resulted in significant advances in UV-cured coatings, including pigmented acrylate coatings and waterborne polyurethane dispersions. Moreover, biobased coatings were developed via thiol-ene coupling of unsaturated moieties in vegetable oils with multifunctional thiols, resulting in tunable properties. The homogeneous thiol-ene network formation has also been employed in hybrid coatings, yielding synergistic effects of the inorganic components within the thiol-ene matrix. Moreover, the UV-triggered thiol-ene reaction is fast and efficient, which is useful for surface modification with spatial and temporal control. In general, this review will critically describe how thiol-ene chemistry became a powerful tool for the sustainable development of functional coating materials and surfaces with a variety of building blocks.
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