Amphiphilic crosslinkable fluorosilicon resin, water-borne coating and super-amphiphobic coating prepared through water-borne coating
A fluorosilicone resin and water-based coating technology, applied in coating, paper coating, fiber raw material treatment, etc., can solve problems such as unfavorable construction workers' health, expensive raw material sources, environmental hazards, etc.
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Embodiment 1
[0047] (1) Preparation method of amphiphilic cross-linkable fluorosilicone resin: mix hydrogen-containing silicone A, epoxy-containing substance B, fluorine-containing substance C, modified silica D, and hydrophilic substance E in a solvent , put it into the reaction kettle, feed inert gas, then keep the stirring speed at 100rpm / min, raise the temperature to 60 degrees Celsius, then add the catalyst, keep stirring for 5 hours, and then precipitate the reactant into n-hexane to obtain Amphiphilic crosslinkable fluorosilicone resin. Among them, the mass ratio of hydrogen-containing silicone A, epoxy-containing substance B, fluorine-containing substance C, modified silica D, hydrophilic substance E, catalyst and solvent is: 1:0.5:0.5:0.1:0.8:0.00001 :1;
[0048] The structural formula of the hydrogen-containing organosilicon A is:
[0049] where p=0, q=10;
[0050] The epoxy-containing substance B is glycidyl methacrylate (GMA);
[0051] The fluorine-containing monomer C is...
Embodiment 2
[0063] (1) Preparation method of amphiphilic cross-linkable fluorosilicone resin: mix hydrogen-containing silicone A, epoxy-containing substance B, fluorine-containing substance C, modified silica D, and hydrophilic substance E in a solvent Add it into the reaction kettle, feed inert gas, then keep the stirring speed at 1000rpm / min, raise the temperature to 140 degrees Celsius, then add the catalyst, keep stirring for 10 hours, and then precipitate the reactant into methanol to obtain two Aphilic crosslinkable fluorosilicone resin. Among them, the mass ratio of hydrogen-containing silicone A, epoxy-containing substance B, fluorine-containing substance C, modified silica D, hydrophilic substance E, catalyst G and solvent F is: 1:20:50:2:100 :0.0001:100;
[0064] The structural formula of the hydrogen-containing organosilicon A is:
[0065] where p=100, q=5000;
[0066] The epoxy-containing substance B is propylene glycidyl ether (AGE);
[0067] The fluorine-containing mon...
Embodiment 3
[0079] (1) Amphiphilic cross-linkable fluorosilicone resin 3 is made by mixing hydrogen-containing silicone A, epoxy-containing substance B, fluorine-containing substance C, modified silica D, and hydrophilic substance E in a solvent, Add it into the reaction kettle, pass inert gas, then keep the stirring speed at 300rpm / min, raise the temperature to 100 degrees Celsius, then add the catalyst, keep stirring for 20 hours, and then precipitate the reactant into n-hexane to obtain amphiphilic Sexual cross-linkable fluorosilicone resin. Among them, the mass ratio of hydrogen-containing silicone A, epoxy-containing substance B, fluorine-containing substance C, modified silica D, hydrophilic substance E, catalyst and solvent is: 1:10:10:1:1:0.00005 :50;
[0080] The structural formula of the hydrogen-containing organosilicon A is:
[0081] where p=20, q=3000;
[0082] The epoxy-containing substance B is polyglycidyl methacrylate (PGMA) containing alkyne at the end, and its stru...
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