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A kind of multifunctional nano self-cleaning composition and its products
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A nanometer self-cleaning, multi-functional technology, applied in textiles and papermaking, paints containing biocides, fibers repelling liquids, etc. And other issues
Active Publication Date: 2018-11-20
上海微谱检测科技集团股份有限公司
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[0004] The current waterproof and antifouling materials mainly use the low surface energy of perfluorinated materials to achieve waterproof and antifouling performance, but perfluorinated materials are often more expensive, and perfluorinated materials are often not resistant to high temperatures, so they cannot be widely used in real life
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[0054] As an embodiment of the present invention, the particle size of the silica is 50-500 nm, more preferably 50-150 nm.
[0055] In the present invention, the modified silica is polybasic acid modified silica.
[0056] The mesoporous silica can be synthesized by hydrothermal synthesis method, room temperature synthesis method, phase transition method, microwave synthesis method, precipitation method, sol-gel method, template method, etc., or can be purchased from the market.
[0057] For example, the method for synthesizing the silica is: (a) 0.1 mol of tetraethoxysilane and 0.05 mol of 2-cyanoethyltriethoxysilane are prepared into a mixed solution. (b) Add 0.03mol of hexadecyltrimethylammonium bromide to ammonia water and stir for 1-2h, and let stand and age for 1-2 days at 50-75℃. After the reaction, the reaction solution is prepared, which is centrifuged and washed with deionized water After drying, silica is obtained.
[0058] The experimental procedure of the polybasic acid m...
Embodiment approach 1
[0159] Embodiment 1: A multifunctional nano self-cleaning composition, in parts by weight, comprising:
[0160] 0.3-1.5 parts by weight of hydrophobic agent; 0.1-0.5 parts by weight of film-forming agent; 3-15 parts by weight of ethanol;
[0161] The hydrophobic agent is prepared from fluorine-containing acrylate monomers and non-fluorine-containing acrylate monomers in a weight ratio of (1-3): (1-3), and the film-forming agent is a fluorosilicone resin.
Embodiment approach 2
[0162] Embodiment 2: In the multifunctional nano self-cleaning composition as described in Embodiment 1, the fluorosilicone resin is methyltrifluorosilicone.
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Abstract
The invention provides a multifunctional nanometer self-cleaning composition. The composition is prepared from, by weight, 0.3-1.5 parts of hydrophobic agent, 0.1-0.5 part of film forming agent and 3-15 parts of ethyl alcohol. The hydrophobic agent is prepared from fluorine-containing acrylate monomers and non-fluorine-containing acrylate monomers. The film forming agent is fluorosilicon resin.
Description
Technical field [0001] The present invention relates to a self-cleaning composition, in particular to a multifunctional nano self-cleaning composition, and more specifically to B05D. Background technique [0002] In the case of more and more dust in the outdoor environment, buildings, vehicles, and human clothing will all suffer damage. In particular, due to the harsh marine environment, a large number of ships immersed in seawater for a long time will be severely fouled by marine organisms. Due to the existence of fouling organisms, the weight of ships and the resistance of navigation are increased, fuel consumption is increased, and the impact is serious. The combat performance of the ship. [0003] Whether in a special field or in daily life, materials with waterproof and pollution-proof properties will have great economic and social benefits. [0004] At this stage, waterproof and antifouling materials mainly use the low surface energy of perfluorinated materials to achieve wat...
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