Acrylic Water-based Lacquer Varnish

Acrylic water-based lacquer varnish is an anionic low temperature crosslinking acrylic emulsion synthetic resin designed for waterborne plastic paints. It has good adhesion to ABSPC materials and is widely used in waterborne plastics spraying industry.

Application characteristics of acrylic water-based lacquer varnish: it is used for ABS / PC surface coating, spraying and silk screen printing ink, and has good adhesion to ABS / PC. Good resistance to alcohol, high hardness, good scratch resistance, high gloss coating, good silver powder and good compatibility with acrylic emulsion.

Acrylic acid water-based varnish product features:

1. Excellent film-forming transparency: small resin particles and high refractive index of monomer components can form a layer of high gloss transparent film on the substrate, making the printing clear and bright.

2. Excellent wear resistance: self crosslinking emulsion has high film forming hardness and can prevent deinking from packaging.

3. Excellent smoothness.

4. Excellent adhesion resistance.

5. Strong resistance to chemical reagents.

Acrylic water-based varnish formula:

Acrylic water-based lacquer varnish is mainly composed of main agent, solvent and auxiliary agent.

a. Main agent. The main agent of Waterborne Glazing oil is film-forming resin, which is the film-forming material of glazing agent. It is usually synthetic resin, which affects and supports various physical properties in the deep layer

Performance and glazing quality of the film, such as gloss, adhesion, dryness, etc;

b. Additives. Additives are used to improve the physicochemical properties and processing characteristics of water-based polishing agents. The types of additives are: curing agent. Improve the film-forming property of water-based main agent and increase the cohesion strength of the film; Surfactant. Reduce the surface tension of aqueous solvent and improve leveling; Defoamer. It can control the foaming of polishing agent for a long time and eliminate the quality defects such as fish eyes and pinholes; desiccant. Increase the drying speed of water-based polish and improve the suitability of paper prints; Adhesion aid. Improve the adhesion between film-forming material and substrate; Wetting dispersant. Improve the dispersion of main agent, prevent dirt and improve wear resistance; Other additives are plasticizers that can improve flexural properties.

How to choose good quality acrylic water-based varnish? When choosing acrylic water-based varnish, we should choose good quality products. How to choose? Tell you the following aspects to judge the product quality:

1. First, we need to check. Check whether the product packaging is standard and whether the trademarks and instructions are complete.

2. Then we'll see. The important inspection of water-based varnish quality * depends on the direct commissioning effect. The commissioning shall be carried out according to the product requirements first, and then combined with the actual situation of the factory, so as to fairly reflect the quality characteristics of varnish.

3. Open the lid of the packaging barrel and smell the product. However, the smell should be scientific. Many people smell the smell at the moment of opening the cover and judge the size of the product taste. In fact, this is not correct. The vast majority of water-based varnish at home and abroad are ammonia soluble resins. Ammonia is used to adjust the pH value of varnish. Ammonia is a volatile substance. It forms a mixture with water, ethanol and other volatile substances in the varnish in a closed packaging barrel to reach the saturated vapor pressure. The ammonia content in the mixture gas cannot be distinguished by human olfaction (generally 0.6-5mg / L at the level of human olfactory threshold 2-3). These substances have less content and will not cause harm to human body. Due to different formulations of Waterborne Varnish, the mixture may also contain ethanol, isopropanol, low boiling point alcohol ether, etc. with different contents, the odor will be different. The more scientific identification method is to open the cover for a while, or pour out the water-based varnish to smell, so as to reflect the real smell of the varnish. At the same time, smell whether there is residual smell in the scraper or printing sample (after drying). Whether there is residual smell is more important than the taste of the varnish itself. No matter how light the smell of water-based varnish is, if there is residual smell on the printed matter, it should still be carefully selected.

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