Abstract
Bitumen paints have lost their importance but are still used for large area applications such as tanks and pipelines. It was determined that improving solvent based paint properties by physical or chemical modification by polymers was possible. Applying this approach for water based paints has shown that advance in properties such as hardness and drying times without loss in adhesion and flexibility can be obtained by blending of various polymeric emulsions with bitumen emulsions used for waterproofing membranes. Changes in morphology of the films occurred after blending, indicating interaction between bitumen maltene fractions and polymers. Physical modifications with styrene acrylic emulsions were more rewarding than elastomeric or chemically modifying crosslinking emulsions.
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