Liquid antifogging agent used as minute coating

Abstract

The invention especially relates to a liquid antifogging agent used as a minute coating, belonging to the field of fine chemical engineering. The liquid antifogging agent is prepared with long-chain alkylformamide as a main component. The low-foam liquid antifogging agent prepared with long-chain alkylformamide as the main component has excellent performance, is free of toxicity, peculiar smell and corrosion and can replace commercially available fluorine-containing or silicone oil-containing antifogging agents; the liquid antifogging agent also has long-lasting antifogging action, sterilization performance and bacteriostatic performance; a formula for the liquid antifogging agent is environment friendlier; and a preparation method and an application method for the liquid antifogging agent are simple.

Description

technical field

[0001] The invention relates to the field of fine chemicals, in particular to a mirror coating liquid antifogging agent mainly composed of long-chain alkyl formamide.

[0002] technical background

[0003] Glass has a wide range of uses in industrial production and daily life. However, glass often suffers from fogging, that is, a layer of water droplets adhere to its surface and lose its transparency. For example, the atomization of building glass windows, bathroom mirrors, spectacle lenses, car windshields, camera lenses, etc., will bring great inconvenience to people's lives, and some even cause safety hazards. In order to prevent the above phenomena from happening, physical or chemical methods are generally used to remove or prevent glass from fogging.

[0004] The chemical method is relatively simple, only need to smear and spray the glass products, but the existing anti-fogging agents generally use xylitol ester, sorbitol monopalmitate, lauric acid or st...

Examples

Embodiment 1

[0090] Take 1g of n-hexyl formamide, 0.3g of AEO-7, 0.3g of sodium lauryl sulfate, 30g of isopropanol, 68g of deionized water and an appropriate amount of essence, dissolve and mix to prepare an anti-fogging agent.

[0091] The anti-fogging agent is in the form of a colorless transparent dilute liquid with poor foaming properties. When it is sprayed on glass and wiped dry with dry cotton cloth or toilet paper repeatedly, it has good anti-fog performance on glass, and the anti-fog lasts for 15 days.

[0092] It should be noted that the ratio of n-hexylformamide can also be any value within the range of 0.1g or 0.1-2, the ratio of AEO-7 can also be any value within the range of 0.1 or 0.1-0.5, dodecane The ratio of sodium base sulfate can also be 0.1 or any value within the range of 0.1-0.5, and the amount of isopropanol and deionized water can be adjusted according to the ratio of 1:1-2.5.

[0093] It should be noted that n-hexyl formamide can also be replaced by n-octyl formam...

Embodiment 2

[0096] Take 0.1g of n-octyl formamide, 0.25g of AEO-5, 0.3g of AES, 40g of ethanol, 59g of deionized water and an appropriate amount of essence, dissolve and mix to prepare an anti-fogging agent.

[0097] The anti-fogging agent is in the form of a colorless, transparent thin liquid, with a refreshing texture, non-greasy, and poor foaming properties. It can be sprayed on glass or plastic membranes and wiped dry with dry cotton cloth or toilet paper repeatedly, that is, it has good anti-fog performance. , and the anti-fog duration is up to 16 days.

[0098] It should be noted that the ratio of n-octyl formamide can also be any value within the range of 0.1g or 0.1-2, the ratio of AEO-5 and AES can also be any value within the range of 0.1 or 0.1-0.5, The amount of ethanol and deionized water can be adjusted according to the ratio of 1:1-2.5.

[0099] It should be noted that n-octyl formamide can also be replaced by n-hexyl formamide, isooctyl formamide or other long-chain alkyl...

Embodiment 3

[0102] Take 0.2g of isooctyl formamide, 0.3g of AEO-3, 0.25g of sodium lauryl sulfate, 0.05g of APG, 20g of ethanol, 20g of isopropanol, 58.5g of deionized water and an appropriate amount of essence, dissolve and mix to prepare an anti-fog agent.

[0103] The anti-fogging agent is in the form of a colorless, transparent thin liquid, with a refreshing texture, non-greasy, and poor foaming properties. It can be sprayed on glass or plastic membranes and wiped dry with dry cotton cloth or toilet paper repeatedly, that is, it has good anti-fog performance. , and the anti-fog duration is up to 15 days.

[0104]It should be noted that the ratio of isooctyl formamide can also be any value within the range of 0.1g or 0.1-2, the ratio of AEO-3 and APG can also be any value within the range of 0.1 or 0.1-0.5, The ratio of sodium lauryl sulfate can also be 0.1 or any value within the range of 0.1-0.5, and the amount of isopropanol and deionized water can be adjusted according to the rati...

technical field

[0001] The invention relates to the field of fine chemicals, in particular to a mirror coating liquid antifogging agent mainly composed of long-chain alkyl formamide.

[0002] technical background

[0003] Glass has a wide range of uses in industrial production and daily life. However, glass often suffers from fogging, that is, a layer of water droplets adhere to its surface and lose its transparency. For example, the atomization of building glass windows, bathroom mirrors, spectacle lenses, car windshields, camera lenses, etc., will bring great inconvenience to people's lives, and some even cause safety hazards. In order to prevent the above phenomena from happening, physical or chemical methods are generally used to remove or prevent glass from fogging.

[0004] The chemical method is relatively simple, only need to smear and spray the glass products, but the existing anti-fogging agents generally use xylitol ester, sorbitol monopalmitate, lauric acid or st...

Examples

Embodiment 1

[0090] Take 1g of n-hexyl formamide, 0.3g of AEO-7, 0.3g of sodium lauryl sulfate, 30g of isopropanol, 68g of deionized water and an appropriate amount of essence, dissolve and mix to prepare an anti-fogging agent.

[0091] The anti-fogging agent is in the form of a colorless transparent dilute liquid with poor foaming properties. When it is sprayed on glass and wiped dry with dry cotton cloth or toilet paper repeatedly, it has good anti-fog performance on glass, and the anti-fog lasts for 15 days.

[0092] It should be noted that the ratio of n-hexylformamide can also be any value within the range of 0.1g or 0.1-2, the ratio of AEO-7 can also be any value within the range of 0.1 or 0.1-0.5, dodecane The ratio of sodium base sulfate can also be 0.1 or any value within the range of 0.1-0.5, and the amount of isopropanol and deionized water can be adjusted according to the ratio of 1:1-2.5.

[0093] It should be noted that n-hexyl formamide can also be replaced by n-octyl formam...

Embodiment 2

[0096] Take 0.1g of n-octyl formamide, 0.25g of AEO-5, 0.3g of AES, 40g of ethanol, 59g of deionized water and an appropriate amount of essence, dissolve and mix to prepare an anti-fogging agent.

[0097] The anti-fogging agent is in the form of a colorless, transparent thin liquid, with a refreshing texture, non-greasy, and poor foaming properties. It can be sprayed on glass or plastic membranes and wiped dry with dry cotton cloth or toilet paper repeatedly, that is, it has good anti-fog performance. , and the anti-fog duration is up to 16 days.

[0098] It should be noted that the ratio of n-octyl formamide can also be any value within the range of 0.1g or 0.1-2, the ratio of AEO-5 and AES can also be any value within the range of 0.1 or 0.1-0.5, The amount of ethanol and deionized water can be adjusted according to the ratio of 1:1-2.5.

[0099] It should be noted that n-octyl formamide can also be replaced by n-hexyl formamide, isooctyl formamide or other long-chain alkyl...

Embodiment 3

[0102] Take 0.2g of isooctyl formamide, 0.3g of AEO-3, 0.25g of sodium lauryl sulfate, 0.05g of APG, 20g of ethanol, 20g of isopropanol, 58.5g of deionized water and an appropriate amount of essence, dissolve and mix to prepare an anti-fog agent.

[0103] The anti-fogging agent is in the form of a colorless, transparent thin liquid, with a refreshing texture, non-greasy, and poor foaming properties. It can be sprayed on glass or plastic membranes and wiped dry with dry cotton cloth or toilet paper repeatedly, that is, it has good anti-fog performance. , and the anti-fog duration is up to 15 days.

[0104]It should be noted that the ratio of isooctyl formamide can also be any value within the range of 0.1g or 0.1-2, the ratio of AEO-3 and APG can also be any value within the range of 0.1 or 0.1-0.5, The ratio of sodium lauryl sulfate can also be 0.1 or any value within the range of 0.1-0.5, and the amount of isopropanol and deionized water can be adjusted according to the rati...

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