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A kind of antifogging agent and preparation method thereof

A technology of anti-fog agent and solvent, which is applied in the field of anti-fog agent and its preparation, can solve the problems of affecting the use of substrate characteristics, short duration of anti-fog, disappearance of anti-fog effect, etc., to achieve good anti-fog effect, anti-fog Good effect, easy to spread effect

Active Publication Date: 2022-05-03
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the anti-fogging agents currently on the market are instant anti-fogging agents. The duration of anti-fogging is short, the adhesion is poor, and the effect is single. Generally, it only lasts for a few days or ten days. The fog effect disappears immediately, so it cannot be used as a long-lasting anti-fog agent
There are also some long-lasting anti-fog agents, which have obvious presence and affect the characteristics of the substrate itself and its use
[0004] Therefore, there is an urgent need to find an anti-fogging agent that does not affect the characteristics of the substrate itself, is easy to operate, and has a good anti-fog effect. The current situation of people's production and life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Preparation of super hydrophilic material: add 100 parts of deionized water, 5 parts of guar gum and 1 part of potassium persulfate into a three mouth flask, raise the temperature to 60 ℃, drop 1 part of acrylic acid through a constant pressure funnel, accelerate the dropping speed by 1ml / min and react for 6h to obtain the super hydrophilic material.

[0034] (2) Put the substance obtained in step (1) into the reactor, add 1 part of xylitol ester, 0.5 part of water peanut plant essential oil, 3 parts of absolute ethanol, 0.5 part of sodium dodecylbenzene sulfonate, 0.5 part of chitosan and 0.5 part of chitin, and stir for 20 minutes at 1000 rpm to obtain the antifogging agent.

[0035] (3) Antifogging treatment: put the antifogging agent into the spray can and spray it on the 40 * 40 glass. It takes about 0.03-0.04g. Place the transparent glass plate treated with antifogging agent at 10cm above the water surface at 80 ℃ horizontally to test the fogging time. There is ...

Embodiment 2

[0037](1) Preparation of super hydrophilic material: add 100 parts of deionized water, 5 parts of cellulose and 1 part of initiator ammonium persulfate into a three mouth flask, raise the temperature to 80 ℃, drop 2 parts of acrylic acid through a constant pressure funnel, accelerate the drop speed by 1ml / min and react for 7h to obtain the super hydrophilic material.

[0038] (2) Put the substance obtained in step (1) into the reactor, add 1 part of lauric acid, 1 part of glycerol stearate, 1 part of reed essential oil, 4 parts of absolute ethanol, 0.8 parts of sodium dodecyl sulfate and 1 part of chitin, and stir at 3000 rpm for 30 minutes to obtain the antifogging agent.

[0039] (3) Antifogging treatment: put the antifogging agent into the spray can and spray it on the 40 * 40 glass. It takes about 0.03-0.04g. Place the transparent glass plate treated with antifogging agent at 10cm above the water surface at 80 ℃ horizontally to test the fogging time. There is no fogging with...

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PUM

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Abstract

The invention discloses an antifogging agent and a preparation method thereof, belonging to the field of hydrophilic materials. The super-hydrophilic substance in the anti-fogging agent of the present invention contains a large amount of -COOH, which makes the anti-fogging agent have better hydrophilic performance; the hydrophilic plant essential oil enhances the anti-fogging effect, and the anti-mosquito and anti-insect essential oil makes it repellent to mosquitoes insect repellent effect. Meanwhile, the antifogging agent of the present invention also has the advantages of antibacterial, good durability, ultra-thin, environmental protection, simple preparation method and the like.

Description

technical field [0001] The invention relates to an antifogging agent and a preparation method thereof, belonging to the field of hydrophilic materials. Background technology [0002] Antifogging agent is a low molecular weight dispersant containing hydrophilic groups, which is composed of molecules with determined molecular weight. When coated on the surface of transparent objects, a coating will be formed. The hydrophilic groups in the coating can adsorb water molecules in the air, wet and diffuse on the surface of transparent objects to form a water film (rather than water droplets), so that the light passing through objects will not scatter and avoid fogging. [0003] At present, most antifogging agents in the market are instant antifogging agents. The duration of antifogging is short, the adhesion is poor, and the effect is single. Generally, it is only a few days or more. After being wiped or washed with water, the antifogging effect disappears immediately, so it can not be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D151/02C09D105/08C09D5/14C09D7/63
CPCC09D7/63C09D151/02C09D5/14C08L2205/03C08L2205/025C08L5/08C08L91/00C08K5/42
Inventor 张丹黄婵娟
Owner JIANGNAN UNIV
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