A kind of water-repellent agent for high light-transmitting glass and preparation method thereof
A technology of light-transmitting glass and hydrophobic agent, applied in the direction of coating, can solve the problems of harsh use conditions, weak resistance to sand and dust erosion, limited application scope, etc., and achieve the effects of environmental protection, good catalytic effect, and broad market prospects.
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Embodiment 1
[0026] A kind of water-repellent agent for high light-transmitting glass, each substance and content in the raw material are as shown in Table 1, and the unit of each substance content is g;
[0027] Dimethylcyclosiloxane is octamethylcyclotetrasiloxane;
[0028] Phenyl-containing siloxanes include octaphenylcyclotetrasiloxane, tetramethyltetraphenylcyclotetrasiloxane, short-chain dimethyldiphenylsiloxane, short-chain methylphenylsiloxane, The weight ratio is 1:2:1:3;
[0029] The silane coupling agent is N-β-(aminoethyl)-γ-aminopropylmethyltrimethoxysilane;
[0030] Basic catalyst tetramethylammonium hydroxide;
[0031] Non-ionic surfactants include nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, isomeric tridecyl alcohol polyoxyethylene ether, and the weight ratio is 2:1:3;
[0032] The solvent is ethanol.
[0033] A preparation method of a high-transparency glass hydrophobic agent based on the above-mentioned material components, comprising the f...
Embodiment 2
[0035] A kind of water-repellent agent for high light-transmitting glass, each substance and content in the raw material are as shown in Table 1, and the unit of each substance content is g;
[0036] Dimethylcyclosiloxane is dimethylcyclosiloxane;
[0037] The phenyl-containing siloxane is octaphenylcyclotetrasiloxane;
[0038] The silane coupling agent is N-β-(aminoethyl)-γ-aminopropylmethyl trimethoxysilane;
[0039] The basic catalyst is tetramethylammonium hydroxide;
[0040] The nonionic surfactant is isomeric tridecyl alcohol polyoxyethylene ether;
[0041] The solvent is acetone.
[0042] A preparation method of a high-transparency glass hydrophobic agent based on the above-mentioned material components, comprising the following steps: S1, weighing dimethylcyclosiloxane, phenyl-containing siloxane and silane coupling agent in proportion, mixing and stirring Homogeneous, heated to 90°C to get the hot material; S2, under the condition of 125-130°C, continuously add th...
Embodiment 3
[0044] A kind of water-repellent agent for high light-transmitting glass, each substance and content in the raw material are as shown in Table 1, and the unit of each substance content is g;
[0045] Dimethylcyclosiloxane includes octamethylcyclotetrasiloxane and dimethylcyclosiloxane in a weight ratio of 1:1;
[0046] Phenyl-containing siloxanes include octaphenylcyclotetrasiloxane, tetramethyltetraphenylcyclotetrasiloxane, short-chain dimethyldiphenylsiloxane, short-chain methylphenylsiloxane , the weight ratio is 3:3:1:1;
[0047] The silane coupling agent is N-β-(aminoethyl)-γ-aminopropylmethyltrimethoxysilane;
[0048] The basic catalyst is tetramethylammonium hydroxide;
[0049] Non-ionic surfactants include nonylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, isomeric tridecyl alcohol polyoxyethylene ether, and the weight ratio is 1:1:1;
[0050] The solvents are methanol, ethanol, and isopropanol, and the weight ratio is 1:1:1.
[0051] A prepara...
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