Solvent type skin-touch varnish coating and preparation method thereof
A clear topcoat and solvent-based technology, applied in epoxy resin coatings, polyurea/polyurethane coatings, coatings, etc., to achieve full elasticity, fast drying, and excellent yellowing resistance
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Embodiment 1
[0036] The invention discloses a solvent-type skin-feel clear finish paint, which is composed of component A and component B with a mass ratio of 1:0.2;
[0037] Among them, component A includes the following components by mass: 25 parts of straight-chain hydroxyl-containing polyester polyol resin, 8 parts of epoxy resin, 8 parts of hydroxyvinyl resin, 1.5 parts of polyamide wax, polytetrafluoromodified polyethylene 3 parts of wax, 6 parts of organic treated silica, 2 parts of organic matting powder, 2 parts of wetting and dispersing agent, 14 parts of methyl isobutyl ketone, 15 parts of ethyl acetate, 13 parts of ethyl methyl formylformate, defoaming 0.5 part of silicone agent, 1.0 part of silicone slip agent, 1.0 part of silicone cotton slip agent;
[0038] Component B includes the following components in parts by mass: 35 parts of toluene diisocyanate trimer, 25 parts of hexamethylene diisocyanate trimer, 25 parts of butyl acetate, and 15 parts of dimethyl carbonate.
[00...
Embodiment 2
[0041] The invention discloses a solvent-type skin-feel clear finish paint, which is composed of component A and component B with a mass ratio of 1:0.2;
[0042] Wherein, component A includes the following components by mass: 24 parts of polyester polyol resin, 7 parts of epoxy resin, 9 parts of hydroxyvinyl resin, 1.5 parts of polyamide wax, 2.5 parts of polytetrafluoroethylene modified polyethylene wax, 5 parts of organic treated silica, 3 parts of organic matting powder, 2 parts of wetting and dispersing agent, 15 parts of methyl isobutyl ketone, 14.1 parts of ethyl acetate, 14 parts of ethyl methyl formylformate, 0.5 parts of defoamer, 1.2 parts of silicone slip agent, 1.2 parts of silicone cotton slip agent;
[0043] Component B includes the following components in parts by mass: 37 parts of toluene diisocyanate trimer, 23 parts of hexamethylene diisocyanate trimer, 25 parts of butyl acetate, and 15 parts of dimethyl carbonate.
[0044] In this example, the hydroxyl valu...
Embodiment 3
[0046] The invention discloses a solvent-type skin-feel clear finish paint, which is composed of component A and component B with a mass ratio of 1:0.2;
[0047] Among them, component A includes the following components by mass: 22 parts of linear hydroxyl-containing polyester polyol resin, 6.5 parts of epoxy resin, 10 parts of hydroxyvinyl resin, 1.5 parts of polyamide wax, polytetrafluoromodified polyethylene 2.5 parts of wax, 4 parts of organic treated silica, 4.5 parts of organic matting powder, 2 parts of wetting and dispersing agent, 15 parts of methyl isobutyl ketone, 14.7 parts of ethyl acetate, 14 parts of methyl ethyl formylformate, defoaming 0.5 parts of silicone agent, 1.4 parts of silicone slip agent, 1.4 parts of silicone slip agent;
[0048] Component B includes the following components in parts by mass: 40 parts of toluene diisocyanate trimer, 20 parts of hexamethylene diisocyanate trimer, 25 parts of butyl acetate, and 15 parts of dimethyl carbonate.
[0049]...
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