Any coating that uses water as a solvent or as a dispersion medium can be called a water-based paint. Water-based paints include water-soluble, water-dilutable, and water-dispersible (latex paints).
Water soluble
The water-soluble type is a water-soluble resin as a film-forming material, and is represented by polyvinyl alcohol and various modified products thereof, in addition to water-soluble alkyd resin, water-soluble epoxy resin, and inorganic polymer water-based resin.
Water dilution type
The water-diluted type refers to a lacquer prepared by forming a post-emulsified emulsion as a film-forming material, so that the solvent-type resin is dissolved in an organic solvent, and then the resin is dispersed in water to form an emulsion by strong mechanical stirring with the aid of an emulsifier, which is called post-emulsification. The emulsion, the finished paint can be diluted with water during construction.
Water dispersion type
The water-dispersible type mainly refers to a lacquer prepared by using a synthetic resin emulsion as a film-forming material. The emulsion refers to a dispersion emulsion composed of small particle groups in which unsaturated vinyl monomers are polymerized under a certain temperature in the presence of an emulsifier and dispersed in water. A paint prepared by adding a small amount of emulsion to a water-soluble resin cannot be called a latex paint. Strictly speaking, water-thinning paint cannot be called latex paint, but it is customarily classified as latex paint.
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