Silane impregnating agent and preparation method thereof
A technology of silane impregnating agent and tetraethyl orthosilicate, which can be used in coatings, anti-corrosion coatings, fire-proof coatings, etc., and can solve the problems of failing to meet the long-term waterproof requirements of concrete structures, poor performance of silane impregnating agents, and low content of silane emulsions. , to achieve the effect of reducing water absorption, increasing compactness, preventing penetration and transfer
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Embodiment 1
[0022] Aged product: in parts by mass, take 30 parts of ethyl orthosilicate, 80 parts of absolute ethanol, 100 parts of deionized water, and 10 parts of hydroxyl-terminated silicone oil, stir and mix at 25°C for 20 minutes, then add ethyl orthosilicate % tartaric acid by mass, stirred and mixed for 1 hour, and left to age for 10 hours to obtain the aged product.
[0023] Silane impregnating agent matrix: Take vinyltrimethoxysilane and add dicumyl peroxide at a mass ratio of 80:1, pass through nitrogen protection, stir and mix at 100°C for 6 hours to obtain a mixture, and take the mixture at a mass ratio of 3:5 Add Span-80, stir and mix for 30 minutes to obtain mixture A, take mixture A and add Pingpingjia O and distilled water at a mass ratio of 10:3:3, mix, and stir and mix at 30°C for 1 hour to obtain a mixture.
[0024] Silane impregnating agent admixture: in parts by mass, take 5 parts of sodium hydroxide, 100 parts of deionized water, 2 parts of sodium metaaluminate, and ...
Embodiment 2
[0027]Aged product: in parts by mass, take 40 parts of ethyl orthosilicate, 100 parts of absolute ethanol, 150 parts of deionized water, and 15 parts of hydroxyl-terminated silicone oil, stir and mix at 30°C for 30 minutes, then add ethyl orthosilicate 6% tartaric acid by mass, stirred and mixed for 2 hours, and left to age for 12 hours to obtain the aged product.
[0028] Silane impregnating agent matrix: Take vinyltrimethoxysilane and add dicumyl peroxide at a mass ratio of 90:1, pass through nitrogen protection, stir and mix at 120°C for 9 hours to obtain a mixture, and take the mixture at a mass ratio of 3:5 Add Span-80, stir and mix for 40 minutes to obtain mixture A, take mixture A and add Pingpingjia O and distilled water in a mass ratio of 10:3:3, mix, and stir and mix at 40°C for 2 hours to obtain a mixture.
[0029] Silane impregnating agent admixture: in parts by mass, take 8 parts of sodium hydroxide, 150 parts of deionized water, 6 parts of sodium metaaluminate, a...
Embodiment 3
[0032] Aged product: in parts by mass, take 35 parts of ethyl orthosilicate, 90 parts of absolute ethanol, 125 parts of deionized water, and 12.5 parts of hydroxyl-terminated silicone oil, stir and mix at 27.5°C for 25 minutes, then add ethyl orthosilicate 4.5% by mass of tartaric acid, stirred and mixed for 1.5 hours, and left to age for 11 hours to obtain the aged product.
[0033] Silane impregnating agent matrix: Take vinyltrimethoxysilane and add dicumyl peroxide at a mass ratio of 85:1, pass through nitrogen protection, stir and mix at 110°C for 7.5 hours to obtain a mixture, and take the mixture at a mass ratio of 3: 5 Add Span-80, stir and mix for 35 minutes to obtain mixture A, take mixture A and add Pingpingjia O and distilled water at a mass ratio of 10:3:3, mix, and stir and mix at 35°C for 1.5 hours to obtain a mixture.
[0034] Silane impregnating agent admixture: in parts by mass, take 7.5 parts of sodium hydroxide, 125 parts of deionized water, 4 parts of sodiu...
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Abstract
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