Anti-crack and anti-falling coating and preparation method
An anti-shedding and coating technology, which is applied in the direction of anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as hidden dangers to people's life safety, inconvenience to people's lives, and unsatisfactory performance, so as to save emulsification production process and increase Anti-shedding performance, good waterproof and anti-corrosion effect
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Embodiment 1
[0032] A kind of anti-cracking, anti-shedding coating and preparation method of the preferred embodiment of the present invention;
[0033] The anti-cracking and anti-shedding coating is prepared from the following raw materials in parts by weight:
[0034] 30 parts of modified polyurethane, 20 parts of modified epoxy resin, 8 parts of glass fiber, 10 parts of aluminum oxide, 12 parts of sodium stearate, 15 parts of paste-like attapulgite clay, 20 parts of putty paste, 8 parts of diatomaceous earth , 5 parts of defoamer, 18 parts of filler, 7 parts of pigment, and appropriate amount of water;
[0035] The modified polyurethane is a graphene modified polyurethane, including the following raw materials in parts by weight: 35 parts of water-based polyurethane, 3 parts of graphene oxide, 12 parts of isophorone diisocyanate, 8 parts of hydrazine hydrate, and solvent N, An appropriate amount of N-dimethylformamide;
[0036] The preparation method includes: weighing 400mL of graphe...
Embodiment 2
[0050] A kind of anti-cracking, anti-shedding coating and preparation method of the preferred embodiment of the present invention;
[0051] The anti-cracking and anti-shedding coating is prepared from the following raw materials in parts by weight:
[0052] 20 parts of modified polyurethane, 15 parts of modified epoxy resin, 5 parts of glass fiber, 8 parts of aluminum oxide, 10 parts of sodium stearate, 10 parts of paste-like attapulgite clay, 15 parts of putty paste, 6 parts of diatomaceous earth , 3 parts of defoamer, 15 parts of filler, 5 parts of pigment, and appropriate amount of water;
[0053] The modified polyurethane is a graphene modified polyurethane, including the following raw materials in parts by weight: 20 parts of water-based polyurethane, 2 parts of graphene oxide, 10 parts of isophorone diisocyanate, 5 parts of hydrazine hydrate, and solvent N, An appropriate amount of N-dimethylformamide;
[0054] The preparation method includes: weighing graphene oxide a...
Embodiment 3
[0068] A kind of anti-cracking, anti-shedding coating and preparation method of the preferred embodiment of the present invention;
[0069] The anti-cracking and anti-shedding coating is prepared from the following raw materials in parts by weight:
[0070] 40 parts of modified polyurethane, 30 parts of modified epoxy resin, 12 parts of glass fiber, 15 parts of aluminum oxide, 15 parts of sodium stearate, 16 parts of paste-like attapulgite clay, 22 parts of putty paste, 10 parts of diatomaceous earth , 8 parts of defoamer, 20 parts of filler, 10 parts of pigment, and appropriate amount of water;
[0071] The modified polyurethane is a graphene modified polyurethane, including the following raw materials in parts by weight: 40 parts of water-based polyurethane, 5 parts of graphene oxide, 15 parts of isophorone diisocyanate, 10 parts of hydrazine hydrate, and solvent N, An appropriate amount of N-dimethylformamide;
[0072] The preparation method includes: weighing 500mL of gr...
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