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Long-acting nano-hydrophobic coating composition and preparation method thereof

A technology of hydrophobic coating and composition, applied in the direction of coating, etc., can solve the problem of glass not easy to adhere to water, etc., achieve strong water repelling effect and easy to use

Active Publication Date: 2018-07-13
SUZHOU ZHIJIAN NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the demand that glass is not easy to adhere to water and can be kept for a long time in real life, the present invention provides a long-lasting nano-hydrophobic coating composition with long-lasting and strong water-repelling function and its preparation method

Method used

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  • Long-acting nano-hydrophobic coating composition and preparation method thereof
  • Long-acting nano-hydrophobic coating composition and preparation method thereof
  • Long-acting nano-hydrophobic coating composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The preparation method of the long-acting nano-hydrophobic coating of the present embodiment comprises the steps:

[0025] 1. Preparation of nano-silica sol: Proportion the following raw materials according to weight percentage, 1% ethyl orthosilicate, 0.1% deionized water, 0.1% polyvinylpyrrolidone, 0.01% nitric acid and 98.79% ethanol, mix at 60°C Stir for 2 hours.

[0026] 2. The ingredients are formulated according to the following weight percentages: add 1wt% trifluoropropyl trichlorosilane (Shanghai Yiji Industrial Co., Ltd.), 1wt% 202 methyl silicone oil (Qingdao Zhongbao Chemical Co., Ltd.) to 5wt% nano-silica sol at 60 ° C Co., Ltd.), 1wt% 201 methyl silicone oil (Qingdao Xingye Organic Silicon New Material Co., Ltd.), 3wt% lanthanum nitrate, 3wt% ethylene glycol butyl ether and 86wt% ethanol, mixed and stirred for 4 hours to obtain a long-lasting nano-hydrophobic coating .

[0027] 3. Spray the prepared long-acting nano-hydrophobic coating on the clean and d...

Embodiment 2

[0029] The preparation method of the long-acting nano-hydrophobic coating of the present embodiment comprises the steps:

[0030] 1. Prepare nano-silica sol: Proportion the following raw materials according to weight percentage, 10% ethyl orthosilicate, 5% deionized water, 5% polyvinylpyrrolidone, 1% hydrochloric acid and 79% ethanol, mix at 60°C Stir for 4 hours.

[0031] 2. The ingredients are formulated according to the following weight percentages: add 10wt% dimethyl perfluorooctyl silane chloride (Shanghai Chuqing New Material Technology Co., Ltd.), 5wt% 202 hydrogen-containing silicone oil to 5wt% nano-silica sol at 30°C (Qingdao Zhongbao Chemical Co., Ltd.), 5wt% 201 methyl silicone oil (Qingdao Xingye Organic Silicon New Material Co., Ltd.), 0.2wt% cerium nitrate, 10wt% ethylene glycol ether and 64.8wt% n-propanol, mixed and stirred for 7 hours , to obtain long-lasting nano-hydrophobic coatings.

[0032] 3. Spray the prepared long-acting nano-hydrophobic coating on t...

Embodiment 3

[0034] The preparation method of the long-acting nano-hydrophobic coating of the present embodiment comprises the steps:

[0035] 1. Prepare nano-silica sol: Proportion the following raw materials according to weight percentage, 6% tetraethyl orthosilicate, 3% deionized water, 3% polyvinylpyrrolidone, 0.4% hydrochloric acid and 87.6% ethanol, mix at 60°C Stir for 6 hours.

[0036] Two, according to the following weight percentage batching: according to the following weight percentage batching: 5wt% nano silica sol is added 5wt% trifluoropropyl methyl dichlorosilane (Jinan Tengyuan Chemical Technology Co., Ltd.), 3wt% 202 hydrogen-containing silicone oil (Qingdao Zhongbao Chemical Co., Ltd.), 2wt% 204 methyl silicone oil (Nanchang Wanhe Silicone Products Co., Ltd.), 0.3wt% neodymium nitrate, 6wt% propylene glycol ether and 78.7wt% isopropanol, mixed and stirred After 2 hours, a long-lasting nano-hydrophobic coating can be obtained.

[0037] 3. Spray the prepared long-acting n...

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Abstract

The invention provides a long-acting nano-hydrophobic coating composition and a preparation method thereof, which comprises the following components in a certain weight percentage ratio: fluorine-containing chlorosilane, nano silicon dioxide, polyorganosiloxane, rare earth salt, Film forming agent, alcohol solvent. The preparation method is: add fluorine-containing chlorosilane, polyorganosiloxane, rare earth salt and film-forming agent to the nano-silica sol at 30-70°C, and mix and react to obtain the long-acting nano-hydrophobic coating . Compared with the prior art, the present invention has the following beneficial effects: easy to use, after spraying the paint of the present invention on the clean and dry glass surface, wipe the paint evenly with a dry cloth, that is, a layer of transparent nano-hydrophobic coating is formed on the glass surface. The coating has a strong water-repelling effect; the effective time can reach more than 3 months after one wipe, and the glass becomes clearer and more translucent.

Description

technical field [0001] The invention relates to a long-acting nano-hydrophobic coating composition and a preparation method thereof, belonging to the technical field of functional coatings. Background technique [0002] When the car is driving on a rainy day, the front and rear windshields, side glasses and reflectors of the car will become blurred due to rainwater adhering to them. It is too late to scrape off the rainwater in time. When the car is running in this situation, the driver's vision is not good, he is prone to fatigue, and it is easy to cause driving safety accidents. Similarly, rainwater can also cloud the windshields of the cabs of airplanes, trains and ships, affecting safe driving. [0003] In daily life, more and more glass shower rooms are used in homes and hotels. However, the general glass shower room will form mottled stains due to the water droplets splashed on it when people take a bath, which not only affects the appearance, but also breeds a lot of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/04C09D7/61
Inventor 于海滨黄上熙
Owner SUZHOU ZHIJIAN NEW MATERIAL TECH CO LTD
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