Alkyd Resins (original) (raw)

Abstract

Alkyd resins are low molecular weight esters formed when polyhydric alcohols react with polybasic and monobasic acids. The term ‘alkyd’ was first used by Kienle in 1927 to describe the reaction products of polyhydric alcohols (AL) with polybasic acids (KYD). These crude reaction products were hard, brittle, insoluble materials of no obvious utility. When monobasic fatty acids were included in the reaction mix, the product became a solvent-soluble film forming ‘oil-modified’ alkyd. The ‘oil-modified’ adjective was subsequently discarded, and the new resins were known as alkyds. When a new generation of useful film-forming polyesters appeared in the 1960s and 1970s they were christened ‘oil-free alkyds’ to distinguish them from their very-similar grandparents. While much of the content of this chapter is relevant to both alkyds and polyester coating resins, the term ‘alkyd’ will be reserved for the fatty acid-containing variety.

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  1. W. T. Elliott
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© 1993 Springer Science+Business Media Dordrecht

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Elliott, W.T. (1993). Alkyd Resins. In: Surface Coatings. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1220-8\_5

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