Application of OPE wax emulsion in water-based varnish and ink

2022-02-16   Pageview:223

The oxidized polyethylene wax emulsion is roughly uniformly dispersed in the system, and after application, the distribution of wax particles has a glossy film surface after the dry paint film hits the surface, and because of the particle size distribution of different types of wax additives, when proceeding, It will produce different degrees of diffuse reflection after light irradiation, which will have different effects on the gloss of the coating film. Since the current styles of wood are different, the pursuit of high gloss or matte still requires a certain anti-slip effect, and the appropriate wax emulsion should be selected according to specific needs.

1. The oxidized polyethylene wax emulsion has a significant improvement in the gloss of the coating? The smaller the particle size of the wax additive, the more obvious the improvement of the gloss; The wavelength of visible light is 400-700 nm. When the particle size of the oxidized polyethylene wax emulsion is less than 1/2 of the wavelength of visible light, that is, 200 nm, light diffraction will occur, which can improve the gloss of the coating. It is generally believed that the greater the particle size change of the wax emulsion, the more obvious the gloss effect; in addition, the gloss of the coating is also related to the crystallinity of the wax. The particle size of oxidized polyethylene wax emulsion has reached nano-scale, and it is a good surface protector for high gloss ink system.

2. The oxidized polyethylene wax emulsion can provide high smoothness, certain wear resistance and scratch resistance? The use of oxidized polyethylene wax emulsion can not only improve the scratch resistance of the paint film, but also affect the adhesion and scratch resistance of the paint film. Gloss. The surface of the coating film can be dispersed evenly, similar to the formation of a wax protective film on the coating film, and the friction coefficient is thus reduced; this can improve the friction resistance of the coating, and improve the slip and scratch resistance.

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