Abstract

Alkyd acrylic hybrid emulsions can offer cost/performance advantages over common 1K coatings such as polyurethane dispersions (PUDs), acrylic emulsions and blends. Hybrid emulsions with different ratios of alkyd resin to acrylic monomers were synthesized. Emulsion with resin-to monomer ratio of 1:1 (wt/wt) with total solids as high as 50% had a shelf stability of more than 8 months. Morphology of hybrid emulsions was studied by scanning electron microscopy. Hybrid emulsions were characterized by Fourier transform infrared spectroscopy and thermogravimetric analysis. Films obtained from the hybrid emulsions were found to be homogeneous and exhibited excellent thermal and coating properties.

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