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.

中文翻译：

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用于聚合物涂料和表面改性的硫醇化学–建立可持续性和性能

涂料的未来发展取决于新的合成构件和方法，这些构件和方法可实现更多功能，同时将对环境的影响和成本降至最低。这篇综述重点介绍了硫醇-烯化学在表面改性和涂料中的应用，这是自本世纪初以来在学术和工业领域中日益引起人们关注的一个话题。该化学平台的优点是快速均匀的交联，延迟的胶凝，减少的收缩以及对氧气不敏感。最近，它在紫外线固化涂料（包括着色丙烯酸酯涂料和水性聚氨酯分散体）方面取得了重大进展。此外，生物基涂料是通过植物油中不饱和部分的硫醇-烯与多官能硫醇的偶联，导致可调节的性能。均匀的硫醇-烯网络形成也已用于杂化涂料中，产生了硫醇-烯基质中无机成分的协同作用。此外，紫外线触发的硫醇-烯反应快速有效，这对于通过空间和时间控制进行表面修饰非常有用。总的来说，这篇评论将批判性地描述硫醇-烯化学如何成为功能性涂层材料和具有多种构件的表面的可持续发展的有力工具。