Durable hydrophobic rain cape
A durable, poncho technology, applied in coats, clothing, protective clothing, etc., can solve the problems of poncho development cannot be stopped, service life plummeted, unpleasant odor, etc., to achieve good UV resistance, extended life, Durable effect
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Embodiment 1
[0014] A kind of durable hydrophobic rain cape, in the process of rain cape processing, a coating with a thickness of 0.20 mm is sprayed on the surface, and the coating is made of the following components in parts by weight: 45 parts of polymethyl methacrylate, triethoxy 6 parts of silane, 3.5 parts of ethyl orthosilicate, 0.22 parts of nano silicon dioxide, 1.3 parts of diethanolamine, 11 parts of acetylacetone, 0.4 parts of aluminum acetate acetonate, 60 parts of ethanol, 0.8 parts of tin chloride, acetylcholine 0.5 parts, 4.0 parts of silane coupling agent hydrolyzate, the preparation process of the nano-silica is: heating and stirring the silica sol at 48°C for 3 hours, stirring and dispersing, freeze-drying at minus 30°C for 16 hours, taking out Vacuum dried at 70°C for 18 hours, then calcined in a muffle furnace at 300°C for 5 hours, dried and ground into powder.
[0015] As a further description of the above scheme, the coating was further cured at 150° C. for 3 hours a...
Embodiment 2
[0020] A durable hydrophobic poncho, spraying a layer of coating with a thickness of 0.21 mm on the surface during rain poncho processing, the coating is made of the following components in parts by weight: 48 parts of polymethyl methacrylate, triethoxy 7 parts of silane, 4.0 parts of ethyl orthosilicate, 0.23 parts of nano silicon dioxide, 1.4 parts of diethanolamine, 12 parts of acetylacetone, 0.45 parts of aluminum acetate acetonate, 65 parts of ethanol, 0.9 parts of tin chloride, acetylcholine 0.6 parts, 4.3 parts of silane coupling agent hydrolyzate, the preparation process of the nano-silica is: heating and stirring the silica sol at 49°C for 3.5 hours, stirring and dispersing, freeze-drying at minus 30°C for 17 hours, taking out Vacuum dried at 75°C for 19 hours, then calcined in a muffle furnace at 320°C for 5.5 hours, dried and ground into powder.
[0021] As a further description of the above scheme, the coating was further cured at 155° C. for 3.5 hours after sprayi...
Embodiment 3
[0026] A kind of durable hydrophobic rain cape, in the process of rain cape processing, a coating with a thickness of 0.22 mm is sprayed on the surface, and the coating is made of the following components in parts by weight: 50 parts of polymethyl methacrylate, triethoxy 9 parts of silane, 4.5 parts of ethyl orthosilicate, 0.24 parts of nano silicon dioxide, 1.5 parts of diethanolamine, 15 parts of acetylacetone, 0.5 parts of aluminum acetate acetonate, 70 parts of ethanol, 1.0 parts of tin chloride, acetylcholine 0.7 parts, 4.5 parts of silane coupling agent hydrolyzate, the preparation process of the nano-silica is: heating and stirring the silica sol at 50°C for 4 hours, stirring and dispersing, freeze-drying at minus 30°C for 18 hours, taking out Vacuum dried at 80°C for 20 hours, then placed in a 340°C muffle furnace for calcination for 6 hours, dried and ground into powder.
[0027] As a further description of the above scheme, the coating was further cured at 160° C. fo...
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