Polyurethane gloss white finish for furniture
A white topcoat, polyurethane technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problem that the surface of the paint film is prone to protruding particles, affects the aesthetics of the paint film, and is not conducive to the development of polyurethane bright white topcoats, etc. problem, to achieve the effect of strong weather resistance, improved fullness, and improved ability
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Embodiment 1
[0058] Stock preparation: 100 parts by weight of main agent, 80 parts by weight of curing agent, and 30 parts by weight of diluent;
[0059] Wherein, the main agent includes: 25 parts by weight of synthetic fatty acid resin, 2 parts by weight of butyl acetate, 0.3 parts by weight of defoamer, 0.2 parts by weight of leveling agent, and 72.5 parts by weight of white pulp;
[0060] The white pulp comprises: 35 parts by weight of synthetic fatty acid resin, 4.2 parts by weight of butyl acetate, 0.8 parts by weight of dispersant, 50 parts by weight of titanium dioxide, and 10 parts by weight of nanometer potassium aluminosilicate powder;
[0061] The curing agent includes: 40 parts by weight of toluene diisocyanate trimer, 30 parts by weight of hexamethylene diisocyanate trimer, and 30 parts by weight of butyl acetate;
[0062] The diluent includes: 25 parts by weight of butyl acetate, 30 parts by weight of xylene, and 45 parts by weight of propylene glycol methyl ether acetate.
Embodiment 2
[0064] Stock preparation: 100 parts by weight of main agent, 80 parts by weight of curing agent, and 30 parts by weight of diluent;
[0065] Wherein, the main agent includes: 28.3 parts by weight of synthetic fatty acid resin, 4 parts by weight of ethyl acetate, 0.1 part by weight of defoamer, 0.1 part by weight of leveling agent, and 67.5 parts by weight of white pulp;
[0066] The white paste comprises: 35 parts by weight of synthetic fatty acid resin, 4.2 parts by weight of butyl acetate, 0.8 parts by weight of dispersant, 55 parts by weight of titanium dioxide, and 5 parts by weight of nanometer potassium aluminosilicate powder;
[0067] The curing agent includes: 50 parts by weight of toluene diisocyanate trimer, 20 parts by weight of hexamethylene diisocyanate trimer, and 30 parts by weight of butyl acetate;
[0068] The diluent includes: 40 parts by weight of butyl acetate, 25 parts by weight of xylene, and 35 parts by weight of propylene glycol methyl ether acetate.
Embodiment 3
[0070] Raw materials: 100 parts by weight of main agent, 100 parts by weight of curing agent, and 40 parts by weight of diluent;
[0071] Wherein, the main agent includes: 30 parts by weight of synthetic fatty acid resin, 2.3 parts by weight of ethyl acetate, 0.1 part by weight of defoamer, 0.1 part by weight of leveling agent, and 67.5 parts by weight of white pulp;
[0072] The white slurry comprises: 40 parts by weight of synthetic fatty acid resin, 4 parts by weight of butyl acetate, 0.9 parts by weight of a dispersant, 50 parts by weight of titanium dioxide, and 5.1 parts by weight of nanometer potassium aluminosilicate powder;
[0073] The curing agent includes: 50 parts by weight of toluene diisocyanate trimer, 30 parts by weight of hexamethylene diisocyanate trimer, and 20 parts by weight of butyl acetate;
[0074] The diluent includes: 35 parts by weight of butyl acetate, 25 parts by weight of xylene, and 40 parts by weight of propylene glycol methyl ether acetate.
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