Coating easy to clean
A technology of thin layer and composition, applied in the direction of coating, polyether coating, device for coating liquid on the surface, etc., can solve the problems of expensive production cost, achieve improved adhesion, cost-effectiveness, wear resistance excellent effect
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[0109] During the preparation of the first precursor composition, one or more additional organic solvents may be used.
[0110] Preferably, the solvent is selected from alcohols, preferably alcohols containing 1 to 6 carbon atoms, such as methanol, ethanol, propanol, butanol; ether alcohols, such as propylene glycol monomethyl ether; ketones, such as acetone; esters, such as propylene glycol monomethyl ether Ether acetates, ethyl acetate, methyl formate; and ethers such as diethyl ether, THF; preferably alcohols, ether alcohols or ketones.
[0111] Mixtures of up to 5 organic solvents may be used, preferably no more than 3 organic solvents are used, most preferably only one organic solvent is used.
[0112] Preferably, as mentioned above, the organic solvent used during the preparation of the first precursor composition is fluorine-free.
[0113] More preferably, after step a2), an additional step a3) is carried out.
[0114] a3) where a solvent is present in step a2), excha...
Embodiment 1
[0369] Solution 1: Tetraethoxysilane (63.84 g) and acetone (200 g) were placed in a round bottom flask. Add 44.6g 0.1MHNO dropwise 3 . The solution was refluxed at 95°C for 1 hour and cooled. Acetone was removed by rotary evaporator and 2-methoxypropanol was added. The amount of the obtained solution was 178 g, and its solid content was 14.45%. The solution was further diluted to 10% with 2-methoxypropanol (79.21 g).
[0370] 1A. Formulation Preparation (SC=0.75%)
[0371] 25g Optool TM DSX E (diluted from 20% to 0.4% using NOVEC 3700), 74.73g NOVEC3700, 81.17g 2-methoxyl-1-propanol, 4.96g ethylene glycol and 15g solution 1 were added in a 500ml round bottom flask and placed in Stir and react overnight before processing.
[0372] 1B. Formulation Preparation (SC=0.85%)
[0373] 15g Optool TM DSX E (diluted from 20% to 0.4% using NOVEC 7100), 84.64g NOVEC7100, 79.32g 2-methoxy-1-propanol, 4.96g ethylene glycol, and 17g solution 1 were added to a 500ml round bottom fla...
Embodiment 2
[0375] Solution 2: Tetraethoxysilane (60.64 g), 1,2-bistriethoxysilylethane (5.43 g) and acetone (200 g) were placed in a round bottom flask. Add 45.26g 0.1M HNO dropwise 3 . The solution was refluxed at 95°C for 1 hour and cooled. Acetone was removed by rotary evaporator and 2-methoxypropanol was added. The amount of the obtained solution was 178.66 g, and its solid content was 17.20%. The solution was further diluted to 10% with 2-methoxypropanol (128.59 g).
[0376] 2A. Formulation Preparation (SC=0.75%)
[0377] 25g Optool TM DSX E (diluted from 20% to 0.4% with NOVEC 7100), 74.73g of NOVEC7100, 81.17g of 2-methoxy-1-propanol, 4.96g of ethylene glycol and 15g of solution 2 were added to a 500ml round bottom flask, and the Stir and react overnight beforehand.
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