Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4999142 | Progress in Organic Coatings | 2017 | 10 Pages |
Abstract
High solids content (60Â wt%) poly(methyl methacrylate-co-butyl acrylate-co-methacrylic acid) latexes with particle sizes below 350Â nm are successfully synthesized by seeded semi-batch emulsion polymerization using polymerizable surfactant Latemul®PD-104, polymerizable stabilizer Sipomer®Cops-1, and conventional emulsifier Dowfax 2A1. The water uptake of the films containing polymerizable surfactant/stabilizer is compared to that of the films containing the conventional surfactant. For films containing the same weight percent of surfactant, the ones containing Dowfax®2A1 absorb more water due to surfactant aggregation within particle interstices. When polymerizable surfactant Latemul®PD-104 and polymerizable stabilizer Sipomer®Cops-1 are used hydrophilic pockets are not formed and the water absorption is reduced.
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Authors
Ziortza Aguirreurreta, José C. de la Cal, Jose R. Leiza,