What is acrylic emulsion?

What is acrylic emulsion?

2025-02-28

Acrylic emulsion is a milky white or nearly transparent viscous liquid. It is an emulsion copolymerized from pure acrylate monomers, characterized by small particle size, versatility, and excellent performance.

Features:

△ Excellent gloss and transparency
△ Water and weather resistance
△ Alkali and stain resistance
△ Good adhesion
△ Non-toxic, non-irritating, harmless to humans, low pollution, and meets environmental protection requirements

Applications:

△ Suitable for various coating formulations, mainly used in building waterproofing, casein adhesives, water-based inks, and panel adhesives.

△ High-gloss and semi-gloss coatings

△ Masonry, wood, and steel surfaces

△ Used to formulate matte, semi-gloss, and high-gloss latex paints; also suitable for formulating high-quality flooring, cement tiles, and tennis court coatings.

Classification

Emulsions can be classified according to their application as: interior wall emulsions, exterior wall emulsions, stone-like paint emulsions, elastic emulsions, liquid granite paint emulsions, waterproof emulsions, and sealing emulsions.

According to their composition, they can be classified as: pure acrylic emulsions, silicone acrylic emulsions, styrene-acrylic emulsions, and vinyl acetate-acrylic emulsions.

Composition of Emulsion Coatings
1. Synthetic Resin Emulsions: These are the base material of coatings and one of the main film-forming substances in emulsion coatings, acting as a binder.

Acrylic Emulsion Coatings are classified according to polymer composition as: styrene-acrylate copolymer emulsions, acrylate-ethylene tert-carbonate copolymer emulsions, silicone-acrylate copolymer emulsions, and all-acrylate copolymer emulsions.

According to film characteristics, they are classified as: thermoplastic emulsions, thermosetting emulsions, and elastic emulsions.

According to particle charge properties, they are classified as: anionic emulsions, cationic emulsions, and nonionic emulsions.

According to application: Emulsions for internal use, emulsions for external use, and special-purpose emulsions.

Pigments and fillers: These are among the main film-forming substances in emulsion coatings.

Additives: Pigment wetting and dispersing agents, pH adjusters, defoamers, rheology modifiers, thickeners, bactericides and preservatives, film-forming aids, antifungal and anti-algae agents, antifreeze agents, thixotropic agents, UV absorbers, etc.

Water: In industrial production, distilled or deionized water should be used for emulsion polymers, with a sodium chloride content below 0.05 mg/L and a water conductivity below 10 mS.

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