Polyaspartic automotive coating and its preparation method and application
A polyaspartum and coating technology is applied in the preparation of polyaspartum automotive coatings and the field of polyaspartum resin coatings to achieve the effects of strong anticorrosion ability, high solid content and lower production costs
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Embodiment 1
[0091] Ratio of main raw materials: main agent: curing agent = 100 parts: 20 parts.
[0092] in:
[0093] Main agent:
[0094] Polyaspartic resin 40 parts
[0095] Pigment (595) 50 parts
[0096] Leveling agent (BYK-378) 0.5 parts
[0097] Dispersant (BYK-161) 3.5 parts
[0098] Anti-sag additive (BYK-410) 0.3 parts
[0099] Anti-settling agent (dust wax) 0.6 parts
[0100] Defoamer (BYK-141) 0.3 parts
[0101] Matting powder (ED30) 1.3 parts
[0102] 3.5 parts of solvent
[0103] Wherein the main agent solvent ratio is:
[0104] Xylene 1.3 parts
[0105] Butyl acetate 1.5 parts
[0106] 0.5 parts of ethylene glycol butyl ether acetate
[0107] 0.2 parts of isophorone
[0108] Hardener:
[0109] Isocyanate resin (isocyanate 3400) 19 parts
[0110] Catalyst (dibutyltin dilaurate) 0.2 parts
[0111] 0.8 parts of solvent
[0112] Wherein the solvent proportioning in curing agent is:
[0113] 0.24 parts of xylene
[0114] 0.4 parts of butyl acetate
[0115] 0.0...
Embodiment 2
[0118] Ratio of main raw materials: main agent: curing agent = 100 parts: 40 parts.
[0119] in:
[0120] Main agent:
[0121] Polyaspartic resin 65 parts
[0122] Pigment (phthalocyanine blue, titanium white 595 or special black 6#) 26 parts
[0123] Leveling agent (EFKA3239) 0.4 parts
[0124] Dispersant (BYK-161) 5 parts
[0125] Anti-settling agent (dust wax) 0.4 parts
[0126] Anti-sag additive (BYK-410) 0.3 parts
[0127] Defoamer (BYK-141) 0.3 parts
[0128] 2.6 parts of solvent
[0129] Wherein the solvent of the main agent is:
[0130] Xylene 1.0 parts
[0131] 1.1 parts of butyl acetate
[0132] 0.3 parts of ethylene glycol butyl ether acetate
[0133] 0.2 parts of isophorone
[0134] Hardener:
[0135] Isocyanate resin (isocyanate 3400) 38.4 parts
[0136] Catalyst (dibutyltin dilaurate) 0.4 parts
[0137] 1.2 parts of solvent
[0138] Wherein the solvent proportioning of curing agent is:
[0139] 0.4 parts of xylene
[0140] 0.6 parts of butyl ace...
Embodiment 3
[0144] Ratio of main raw materials: main agent: curing agent = 100 parts: 50 parts
[0145] Main ingredient:
[0146] Polyaspartic resin 79 parts
[0147] Pigment (extra black 6# or titanium dioxide 595) 8 parts
[0148] Anti-settling agent (dust wax) 0.3 parts
[0149] Leveling agent (EFKA3239) 0.2 parts
[0150] Dispersant (BYK-161) 8 parts
[0151] Anti-sag additive (BYK-410) 0.2 parts
[0152] Defoamer (BYK-141) 0.3 parts
[0153] 4 parts solvent
[0154] Wherein the solvent ratio of the main agent is:
[0155] Xylene 1.3 parts
[0156] Butyl acetate 2.0 parts
[0157] 0.5 parts of ethylene glycol butyl ether acetate
[0158] 0.2 parts of isophorone
[0159] Hardener:
[0160] Isocyanate resin (isocyanate 3400) 48.25 parts
[0161] Catalyst (dibutyltin dilaurate) 0.5 parts
[0162] 1.25 parts of solvent
[0163] Wherein the solvent proportioning is:
[0164] 0.5 parts of xylene
[0165] 0.6 parts of butyl acetate
[0166] Ethylene glycol butyl ether acetate...
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