Flame-retardant waterproof coating for building outer walls and production method of coating
A technology for waterproof coatings and building exterior walls. It is applied in the direction of fireproof coatings and coatings. It can solve the problems of poor bonding between calcium carbonate and coatings, difficult processing and use of products, and degradation of coating material properties, so as to improve mechanical properties, Enhanced bonding strength and extended coating life
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Embodiment 1
[0040] First, 40 parts of emulsion (a mixture of A-102 silicone acrylic emulsion and A-99 pure acrylic emulsion, the ratio of the two parts by weight is 1.5:1), 1 part of N-methylol acrylamide, 6 parts of fumed silica, 4 parts of water, 1 part of titanate coupling agent, 6 parts of additives (1 part of cellulose acetate butyrate, 1 part of hydroxyethyl cellulose, 4 parts of 2,2,4-tri Methyl-1,3-pentanediol monoisobutyrate), 7 parts n-butyl acetate, 6 parts flame retardant mixture (2 parts dimethyl methylphosphonate; 4 parts microencapsulated red phosphorus) 5 parts Modified nano-calcium carbonate for material preparation.
[0041] The preparation method of the modified nano-calcium carbonate is as follows: dehydrate and dry the nano-calcium carbonate powder at 115-120°C, then add it to a high-speed mixer, stir and heat up, stop heating at 90°C, and add 2.0% of the mass of nano-calcium carbonate The chelating titanate coupling agent KR-201 was modified at 90°C for 10 minutes; ...
Embodiment 2
[0048] First, 45 parts of emulsion (a mixture of A-102 silicone acrylic emulsion and A-99 pure acrylic emulsion, the ratio of the two parts by weight is 1.5:1), 1.5 parts of N-methylol acrylamide, 7 parts of fumed silica, 5 parts of water, 1.5 parts of titanate coupling agent, 9 parts of additives (2 parts of cellulose acetate butyrate, 2 parts of hydroxyethyl cellulose, 5 parts of 2,2,4-tri Methyl-1,3-pentanediol monoisobutyrate), 8 parts of n-butyl acetate, 8.1 parts of flame retardant mixture (2.7 parts of dimethyl methylphosphonate; 5.4 parts of microencapsulated red phosphorus), 8 parts Parts of modified nano-calcium carbonate are prepared.
[0049] The preparation method of the modified nano-calcium carbonate is as follows: dehydrate and dry the nano-calcium carbonate powder at 115-120°C, then add it to a high-speed mixer, stir and heat up, stop heating at 90°C, and add 2.0% of the mass of nano-calcium carbonate The chelating titanate coupling agent KR-201 was modified ...
Embodiment 3
[0056] First, 50 parts of emulsion (a mixture of A-102 silicone acrylic emulsion and A-99 pure acrylic emulsion, the ratio of the two parts by weight is 1.5:1), 2 parts of N-methylol acrylamide, 9 parts of fumed silica, 6 parts of water, 2 parts of titanate coupling agent, 12 parts of additives (3 parts of cellulose acetate butyrate, 3 parts of hydroxyethyl cellulose, 6 parts of 2,2,4-tri Methyl-1,3-pentanediol monoisobutyrate), 9 parts n-butyl acetate, 9 parts flame retardant mixture (3 parts dimethyl methylphosphonate; 6 parts microencapsulated red phosphorus), 10 parts Parts of modified nano-calcium carbonate are prepared.
[0057]The preparation method of the modified nano-calcium carbonate is as follows: dehydrate and dry the nano-calcium carbonate powder at 115-120°C, then add it to a high-speed mixer, stir and heat up, stop heating at 90°C, and add 2.0% of the mass of nano-calcium carbonate The chelating titanate coupling agent KR-201 was modified at 90°C for 10 minute...
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