Water-based polyurethane enamel paint
A water-based polyurethane and enamel technology, used in polyurea/polyurethane coatings, coatings, etc., can solve problems such as damage to the health of construction workers, fire hazards, and environmental pollution.
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Example Embodiment
[0023] Example 1:
[0024] A waterborne polyurethane enamel, which is composed of a mixture of component A and component B in a ratio of 7:1 parts by weight, wherein the composition of the component A in terms of parts by weight is as follows:
[0025] 100 parts of water-based acrylic grafted polyurethane emulsion, 26 parts of titanium dioxide, 0.5 parts of bismuth vanadate,
[0026] 20 parts of functional filler, 0.5 parts of rheological agent,
[0027] Wetting and dispersing agent 0.5 part, substrate wetting agent 0.5 part,
[0028] 0.5 part of anti-settling agent, 0.5 part of defoaming agent,
[0029] Thickener 0.5 part, leveling agent 0.5 part;
[0030] The composition of the component B according to the weight ratio is as follows:
[0031] 15 parts of isocyanates, 15 parts of dipropylene glycol dimethyl ether ;
[0032] Among them, the functional filler is composed of fumed silica, decabromodiphenyl ether, antimony trioxide and zinc borate, which are mixed by 1.2 parts, 10.5 parts, ...
Example Embodiment
[0033] Embodiment two:
[0034] A waterborne polyurethane enamel, which is composed of a mixture of component A and component B in a ratio of 7:1 parts by weight, wherein the composition of the component A in terms of parts by weight is as follows:
[0035] 100 parts of water-based acrylic grafted polyurethane emulsion, 5 parts of titanium dioxide, 20 parts of cosmetic powder,
[0036] 10 parts of functional filler, 0.2 parts of rheological agent,
[0037] Wetting and dispersing agent 0.1 part, substrate wetting agent 0.1 part,
[0038] 0.2 part of anti-settling agent, 0.2 part of defoaming agent,
[0039] Thickener 0.2 part, leveling agent 0.1 part;
[0040] The composition of the component B according to the weight ratio is as follows:
[0041] 10 parts of isocyanates, 10 parts of dipropylene glycol dimethyl ether ;
[0042] The composition of the functional filler is the same as in Example 1.
Example Embodiment
[0043] Example three
[0044] A waterborne polyurethane enamel, which is composed of a mixture of component A and component B in a ratio of 7:1 parts by weight, wherein the composition of the component A in terms of parts by weight is as follows:
[0045] 100 parts of water-based acrylic grafted polyurethane emulsion, 10 parts of titanium dioxide,
[0046] 5 parts of Hongyan powder, 4 parts of Phthalocyanine Blue, 6 parts of Bismuth Vanadate,
[0047] Functional filler 15 parts, rheological agent 0.35 parts,
[0048] Wetting and dispersing agent 0.3 parts, substrate wetting agent 0.3 parts,
[0049] 0.4 part of anti-settling agent, 0.4 part of defoaming agent,
[0050] Thickener 0.3 parts, leveling agent 0.3 parts;
[0051] The composition of the component B according to the weight ratio is as follows:
[0052] 12 parts of isocyanates, 13 parts of dipropylene glycol dimethyl ether ;
[0053] The composition of the functional filler is the same as in Example 1.
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