The synthesis technology of water-based acrylic resin and its advantages and disadvantages are briefly described
  • 2024-09-27 17:39:07
  • админ

Compared with solvent-based acrylic paint, the paint made of water-based acrylic resin has the advantages of stability, safe use, environmental protection, reducing environmental pollution and saving resources! At present, it has become an important development direction of the coating industry. The coating using water-based acrylic resin is a low-pollution or even pollution-free environmental protection coating with faster development and more varieties of water-based coatings.

At present, the water-based acrylic coatings on the market are basically the following three kinds:

1 Emulsion acrylic resin coating

It is made of acrylic monomer through emulsion polymerization, appearance milky white, large particle size.

Advantages: Low VOC, low price, good chemical resistance

Disadvantages: Luster, poor leveling, difficult to do high-grade paint. Poor stability.

2 acrylic dispersion type paint

It is a solvent-based resin made of high solid and low bonding acrylic monomer, and a water-based coating made of water-based resin after amination into salt. It is generally made of two-component PU coating or baking coating. The appearance is usually translucent liquid

Advantages: VOC general, fullness, luster is better.

Disadvantages: relatively troublesome construction and high paint cost.

3 Water-soluble acrylic paint

It is a water-based coating made of a resin synthesized by acrylic monomer in a water-soluble solvent and a water-soluble resin formed by amination into salt. Transparent yellowish liquid in appearance.

Advantages: Wide molecular weight range, can be made of water-based coatings diversification.

Disadvantages: high VOC, relatively poor chemical resistance.

After years of research and development, Anhui Sinograce Chemical Co., Ltd.has developed an ultra-low VOC water-soluble acrylic resin, which has an extremely low odor. The VOC content is only 4.3g/kg resin (provided by a third-party testing agency), which is not only far lower than the VOC content of emulsion, but also far lower than the standard. Environmental protection is becoming increasingly severe, and it is a new choice for paint practitioners.

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