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: 2015-12-09
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. The long-acting nano hydrophobic coating composition is prepared from the following components by certain weight percent: fluorine-containing chlorosilane, nano silicon dioxide, polysiloxane, rare-earth salts, a film forming agent, and an alcohols solvent. The preparation method comprises the following steps: adding fluorine-containing chlorosilane, polysiloxane, rare-earth salts and a film forming agent to nano silicon dioxide sol at 30-70 DEG C, and mixing to react to obtain the long-acting nano hydrophobic coating composition. Compared with the prior art, the long-acting nano hydrophobic coating composition has the following beneficial effects that the coating composition is convenient to use; after the coating is sprayed to a clean and dry glass surface and then uniformly wiped with dry cloth, a layer of transparent nano hydrophobic coating is formed on the glass surface and has a strong water repellent effect; the effective time can reach up to over 3 months after once wiping, and glass becomes more brilliant and bright.

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 Applications(China)
IPC IPC(8): C09D183/04C09D7/12
Inventor 于海滨黄上熙
Owner SUZHOU ZHIJIAN NEW MATERIAL TECH CO LTD
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