Abstract
Recent developments in waterborne polymers and polymer blends are discussed in relation to their use as a binder in several applications such as coatings, paints and ink systems. A process for the preparation of waterborne acrylic resins/polyester polymer blends that avoids the need for surfactants is described. It was found that these acrylic and polyester polymer blends can not be prepared without using this process. The stable polymer blends can be prepared with acrylic resins/polyester polymer ratios in the range of 10/90 – 35/65 (wt/wt). The higher solid content can be achieved by either incorporating low molecular weight acrylic resins or by adding 5.0 – 10.0 wt% alcohol. These polymer blends exhibit low viscosity (e.g. 40–200 cps) with 30 wt% solid content. The viscosity of the polymer blends can be adjusted by suitable thickener for a given application. Results indicated that the acrylic/polyester polymer blends exhibit superior pigment grinding and film properties as compared to the polyester or acrylic polymer alone.
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Sharma, M.K. (1995). Advances in Waterborne Acrylic Resin/Polyester Polymer Blends and Their Applications: Part-A. In: Sharma, M.K. (eds) Surface Phenomena and Latexes in Waterborne Coatings and Printing Technology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-2395-3_3
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DOI: https://doi.org/10.1007/978-1-4757-2395-3_3
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