Long-acting glass hydrophobic agent and preparation and use method thereof

A technology of hydrophobic agent and glass, applied in the field of long-term glass hydrophobic agent, can solve the problems of high equipment requirements, complex process, inability to use, etc., to achieve the effect of strengthening the adhesion effect, ensuring driving safety, and convenient secondary cleaning

Active Publication Date: 2019-07-02
BEIJING NEATRITION TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After smearing the product on the glass surface, bake it at 200-400°C to produce glass with excellent hydrophobic effect. This treatment method is complicated in process and requires high equipment, so it cannot be used in actual daily maintenance.

Method used

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  • Long-acting glass hydrophobic agent and preparation and use method thereof
  • Long-acting glass hydrophobic agent and preparation and use method thereof
  • Long-acting glass hydrophobic agent and preparation and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Prepare the long-acting glass hydrophobic agent of the present invention according to the following formula and ratio:

[0042]

[0043] Preparation:

[0044] a) Add 1 g of hydrochloric acid to the mixture of 79 g of absolute ethanol and 15 g of isopropanol, and stir for 30 min.

[0045] b) Slowly add 5 g of polysiloxane to the solution in step a) while stirring, and continue stirring at room temperature for 3 hours to obtain the required long-lasting glass hydrophobic agent.

Embodiment 2

[0047] Prepare the long-acting glass hydrophobic agent of the present invention according to the following formula and ratio:

[0048]

[0049]

[0050] Preparation:

[0051] a) Slowly add 1 g of sulfuric acid to the mixture of 85 g of absolute ethanol and 4 g of isopropanol, and stir for 30 min.

[0052]b) Slowly add 10 g of polysiloxane to the solution in step a) while stirring, and continue stirring at room temperature for 6 hours to obtain the required long-lasting glass hydrophobic agent.

Embodiment 3

[0054] Prepare the long-acting glass hydrophobic agent of the present invention according to the following formula and ratio:

[0055]

[0056] Preparation:

[0057] a) Slowly add 1 g of sulfuric acid to a mixture of 95 g of absolute ethanol and 1 g of water, and stir for 30 min.

[0058] b) Slowly add 3 g of polysiloxane to the solution in step a) while stirring, and continue stirring at 40° C. for 4 hours to obtain the required long-lasting glass hydrophobic agent.

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Abstract

The invention discloses a long-acting glass hydrophobic agent and its preparation and application method, and relates to the technical field of glass hydrophobic treatment. According to the invention, high-molecular-weight polysiloxane with a certain branched structure, which is used as a main raw material, is mixed with an acid catalyst and a corresponding solvent, so as to prepare the hydrophobic agent. When the hydrophobic agent is used to process glass surface, the material's molecular chain can further undergo polymerization for growth or crosslinking under the action of a catalyst and main chain and side chain undergo crossed entanglement; meanwhile, through chemical bond combination on the glass surface and with the cooperation of polymer viscosity and winding mechanical force, a tightly-combined protective film is formed. The protective film can have rain-proof, oil-resistant, freezing-rain-proofing, frost-proof and self-cleaning effects, is solvent-resistant and wash-resistant, and shows excellent durability. Meanwhile, the product doesn't affect glass quality and will not have any adverse effect on sight (such as reflection of light, blurring, etc.).

Description

technical field [0001] The invention relates to the technical field of glass hydrophobic treatment, in particular to a long-acting glass hydrophobic agent and its preparation and use method. Background technique [0002] The surface of ordinary glass is a hydrophilic surface. When water droplets spread on the glass, the light transmission of the glass will deteriorate. The blurring of car windshields, side windshields, and front and rear view mirrors is an important cause of traffic accidents. In the case of rain or high humidity, attached droplets will form on the surface of the car glass and affect the line of sight. The existing main solution is to wipe in time with a wiper and a rag, but this method is inconvenient and cannot solve the fundamental problem. [0003] At present, most cars on the market will have a hydrophobic coating on their glass surface to solve the problem of driving in rainy days when they leave the factory. However, the processing technology is comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/30
Inventor 肖鹏飞
Owner BEIJING NEATRITION TECH CO LTD
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