Waterborne acrylic-casein latexes as eco-friendly binders for coatings

The use of casein as renewable resource to produce eco-friendly hybrid latexes has an increasing importance in industrial applications especially for high performance waterborne coatings.

Acrylic/casein latexes were synthesised in presence of varied protein concentrations. Source: mimilux/pixelio.de -

A work conducted by international researchers describes the synthesis of hybrid acrylic-casein latexes by emulsion polymerisation of acrylic monomers in presence of varied casein concentration, and in absence of emulsifier which is usually a challenge for preparing stable nanocomposite latexes.

Good alternative as eco-friendly binders

The production and microstructure characterisation of the casein-acrylic nanoparticles, as well as the properties of the films obtained from the hybrid latexes are here reported. The synthesised acrylic-casein latexes are able to form films with promising properties for a potential application as waterborne bio-based coatings.

The study is published in: Progress in Organic Coatings, Volume 88, November 2015, Pages 8–16

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