Parameters of black wax for leather

2021-12-30   Pageview:446

Leather scorched black wax is easy to construct, non-toxic, non-flammable, strong penetration and good dispersibility

Leather scorched black wax technical parameters.
1, Appearance: brownish transparent homogeneous liquid.
2, Solid content: 25±2%.
3, PH value: 7-9.
4, Particle size: <0.4 microns.
5, Melting point: about 85℃.
6, Ionic type: water-based anionic type.











In order to improve the heat resistance and weather resistance of coatings and to reduce the cost of coatings, we have developed polyester resins for polyester resin/epoxy resin-60/40 and polyester resin/epoxy resin-70/30 (mass ratio), following the polyresins for polyresin/epoxy resin-50/50 (mass ratio), and recently DSM Coating Resins and other companies have developed polyresins for polyresin/epoxy resin=80/20. 80/20 polyresin. The basic synthesis process of these resins is the same as that described earlier for the synthesis of polyester resin/epoxy resin-50/50 with methacrylic resin, the main difference is that the molar ratio of alcohol/acid in the formulation is different, and the varieties of polyol and polyacid used are different only, for example, polyester resin/epoxy resin-60/40 with polyester resin formulation.

The main components are terephthalic acid, neopentyl glycol, diethylene glycol ptfe car wax three raw materials, no isophthalic acid, trimellitic anhydride and trihydroxypropane, to ester resin / epoxy resin -70/30 with polyester resin formulation example, the main components are terephthalic acid, neopentyl glycol, diethylene glycol, ethylene glycol, and some trimellitic anhydride and a small amount of trimellitic anhydride, no isophthalic brew. In order to meet the various performance requirements of polyester resin, polyester resin synthesis formula composition and ratio between different species, the same species between different companies still have a relatively large difference. Users are based on the requirements of powder coatings and coating film performance, it is necessary to choose the right polyester resin varieties to meet customer needs.


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