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What is waterborne acrylic resin emulsion?
Nov 16, 2018

Compared with traditional solvent-based coatings, water-based coatings have become the main direction for the development of the coatings industry because of their low price, safe use, resource and energy saving, and reduction of environmental pollution and pollution. Waterborne acrylic resin coatings are the fastest growing and most diverse non-polluting coatings in waterborne coatings.


Acrylic water-based paints can be divided into two types: water-dispersible and water-soluble. The former is a water-based latex or hydrosol-based coating. The water-soluble acrylate coating is made of a copolymer resin with active crosslinkable functional groups. The multi-system thermosetting coating is coated with or without cross-linking resin to crosslink the reactive functional groups during film formation. Structural paint film. The development of water-based acrylate coatings can replace most of the organic volatile solvents with water under the unique performance conditions of acrylate coatings, thereby achieving the goal of greatly reducing air pollution.


The water-soluble acrylic resin is mostly anionic. The monomer of the copolymer resin is selected from an appropriate amount of unsaturated carboxylic acid such as acrylic acid, methacrylic acid, maleic anhydride, methylene succinic acid, etc., to have a carboxyl group in the side chain. The water is obtained by neutralizing with an organic amine or ammonia to form a salt. Further, the water solubility of the resin can be increased by selecting a suitable monomer to introduce a hydrophilic group such as an -OH hydroxyl group, a -CONH2 acylamino group or an -O-ether bond. The neutralized salt-forming acrylic resin is soluble in water, but its water solubility is not very strong, and often forms an emulsion liquid or a highly viscous solution, so a certain proportion of hydrophilic aid must be added to the water-soluble resin. A solvent to increase the water solubility of the resin.

Waterborne Acrylic Resin Emulsion

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