Super-wear-resistant self-cleaning coating and preparing method thereof
A self-cleaning coating and super wear-resistant technology, which is applied in the field of building decoration materials, can solve the problems of difficult-to-wet surfaces, reduce, and lose anti-fouling ability, etc., to improve scratch resistance, reduce external friction, and improve wear resistance Effect
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Embodiment 1
[0029]A super wear-resistant self-cleaning coating, comprising a first elastic topcoat and a second self-cleaning topcoat, the first elastic topcoat includes difunctional polyurethane with a glass transition temperature of -50 to 10°C in parts by mass 20 parts of acrylic resin A, 5 parts of initiator A, 50 parts of acrylate monomer and 25 parts of additive A, the second self-cleaning topcoat includes 4 parts of organic silicon resin with inorganic powder affinity modified by acrylic acid, 1 part of high-hardness micropowder particles, 4 parts of difunctional polyurethane acrylic resin B with a glass transition temperature of -50 to -10 °C, 30 parts of multifunctional polyurethane acrylic resin with a glass transition temperature of 50 to 150 °C, glass transition temperature 35 parts of acrylate monomer B, 4 parts of initiator B and 22 parts of additive B at 50-150°C.
[0030] In this example, the difunctional urethane acrylic resin A is prepared by polymerizing a diol with a m...
Embodiment 2
[0050] A super wear-resistant self-cleaning coating, comprising a first elastic topcoat and a second self-cleaning topcoat, the first elastic topcoat includes difunctional polyurethane with a glass transition temperature of -50 to 10°C in parts by mass 30 parts of acrylic resin A, 4.5 parts of initiator A, 30.5 parts of acrylate monomer A and 35 parts of additive A, the second self-cleaning topcoat includes acrylic acid-modified organosilicon with inorganic powder affinity by mass parts 8 parts of resin, 0.3 parts of high-hardness micropowder particles, 3 parts of difunctional polyurethane acrylic resin B with a glass transition temperature of -50 to -10°C, 40 parts of multifunctional polyurethane acrylic resin with a glass transition temperature of 50 to 150°C, 30.7 parts of acrylate monomer B with a glass transition temperature of 50-150° C., 3 parts of initiator B and 15 parts of additive B.
[0051] In this example, the difunctional urethane acrylic resin A is prepared by ...
Embodiment 3
[0068]A super wear-resistant self-cleaning coating, comprising a first elastic topcoat and a second self-cleaning topcoat, the first elastic topcoat includes difunctional polyurethane with a glass transition temperature of -50 to 10°C in parts by mass 40 parts of acrylic resin A, 6 parts of initiator A, 39 parts of acrylate monomer and 15 parts of additive A, the second road self-cleaning topcoat includes 20 parts of acrylic acid-modified organic silicon resin with inorganic powder affinity by mass parts, 2 parts of high-hardness micropowder particles, 10 parts of difunctional polyurethane acrylic resin B with a glass transition temperature of -50 to -10 °C, 30 parts of multifunctional polyurethane acrylic resin with a glass transition temperature of 50 to 150 °C, glass transition temperature 31 parts of acrylate monomer B, 2 parts of initiator B and 5 parts of additive B at 50-150°C.
[0069] In this example, the difunctional urethane acrylic resin A is prepared by polymerizi...
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