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Polymer-modified Mortars
It helps to understand some of the basics about why polymers are added to cement formulations.
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Latex-Modified Concrete and Mortar for Repair
Synthetic latexes are made by dispersing polymer particles in water to form a polymer emulsion. When these emulsions are added to portland cement concrete, the spheres of polymer will coalesce or come together to form a film that coats the aggregate particles and the hydrating cement grains and seals off voids. The resulting mixture develops higher strength, bonds better to existing concrete, has a higher resistance to chloride penetration and is more resistant to chemical attack than plain concrete.
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