Abstract
Coating failure through loss of adhesion is a common occurrence with latex paints especially when applied to previously painted alkyd surfaces. Wet adhesion promoters are used by the industry to overcome these deficiencies. This paper provides an overview of the technical effort at Cytec which has led to the discovery of a series of new wet adhesion monomers. Three such monomers have been under active development. At least one of these is expected to be available in developmental quantities later this year. These monomers are targeted at improving the wet adhesion performance of exterior and interior latex paints which are frequently exposed to moisture due to rain and/or high humidity. They have been incorporated into latex polymers which, when formulated into exterior latex paints, show excellent wet adhesion properties. Wet scrub test results on aged alkyd coated Laneta panels are discussed, along with comparative data on a currently available monomer.
Published Version
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