High-performance antifouling and easy-to-clean film and preparation method thereof
A clean film, high-performance technology, applied in antifouling/underwater coatings, biocide-containing paints, coatings, etc., can solve the problems of poor friction resistance and washing resistance, low film strength, and weak adhesion and other problems, to achieve the effect of good washing resistance, stable chemical performance and long service life
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Embodiment 1
[0028] Add 10 parts of water + 75 parts of ethanol into the reactor, then add dropwise glacial acetic acid to adjust the pH to 3.7, add 10 parts of inorganic-organic hybrid polymer, 3 parts of n-butyl titanate, and stir well. Get a stain-resistant, easy-to-clean coating fluid. Apply the coating solution obtained above evenly on the surface of the glass substrate (soda lime glass with a thickness of 2mm) by spraying method, and cure in an oven at 150°C for 10 minutes, and the film thickness is about 10nm, wherein the structural formula of the inorganic-organic hybrid polymer is :
[0029]
Embodiment 2
[0031] Add 20 parts of water + 39 parts of ethanol into the reaction kettle, then dropwise add hydrochloric acid to adjust the pH to 2.5, add 30 parts of inorganic-organic hybrid polymer, 10 parts of methyl orthosilicate, and stir evenly. Get a stain-resistant, easy-to-clean coating fluid. Apply the coating solution obtained above evenly on the surface of a glass substrate (soda lime glass with a thickness of 2mm) by spraying, and cure in an oven at 150°C for 10 minutes, and the film thickness is about 35nm. The structural formula of the inorganic-organic hybrid polymer is :
[0032]
Embodiment 3
[0034] Add 15 parts of water + 67 parts of ethanol to the reaction kettle, then add nitric acid dropwise to adjust the pH to 1.8, add 20 parts of inorganic-organic hybrid polymer, 7 parts of tetra-n-propyl zirconate, and stir well. Get a stain-resistant, easy-to-clean coating fluid. Apply the coating solution obtained above evenly on the surface of the glass substrate (soda-lime glass with a thickness of 2mm) by spraying method, and cure in an oven at 150°C for 10 minutes, and the film thickness is about 22nm, wherein the structural formula of the inorganic-organic hybrid polymer is :
[0035]
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