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Formaldehyde scavenging agent for decorative material and polymerized plate

A formaldehyde scavenger and decorative material technology, applied in chemical instruments and methods, gas treatment, dispersed particle separation, etc., can solve pollution and other problems, achieve the effect of reducing the content of toxic and harmful substances and improving home air quality

Inactive Publication Date: 2016-12-14
BAOHUSAN ENVIRONMENTAL PROTECTION SCI & TECH CHENGDU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After a large number of tests, it was found that the common formaldehyde removal methods rarely have long-term significant effects on the volatilization of formaldehyde from wood-based panels, etc. It is extremely urgent to develop a formaldehyde scavenger with long-term effects to solve the problem of indoor formaldehyde pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: A kind of formaldehyde scavenger used for decorative materials and polymeric plates. 5 parts of agent, 10 parts of modified polyacrylamide solution, 5 parts of urea, 3 parts of thiourea, 1.5 parts of defoamer, and 200 parts of deionized water.

[0016] The preparation method of the tea extract is as follows: by weight, 5 parts of tea leaves are weighed, placed in a beaker, 70 parts of deionized water are added, heated on an electric furnace for 30 minutes, and after cooling, suction filtration is carried out with a Buchner funnel. The obtained filtrate is tea extract.

[0017] The preparation method of the modified polyacrylamide is to select an aqueous solution of polyacrylamide with a mass fraction of 20% of an average molecular weight of 40,000 and a mass fraction of 80% hydrazine hydrate solution in a ratio of 1:1 by weight, and mix them at 50-60 Stirring and reacting at ℃ for 19 hours, the obtained product was precipitated and dried to obtain a modif...

Embodiment 2

[0020] Embodiment 2: A kind of formaldehyde scavenger used for decorative materials and polymeric plates Its raw materials are calculated by weight: 15 parts of tea extract, 12 parts of fatty alcohol polyoxyethylene ether, 7 parts of dimethyl malate, nano antibacterial 5 parts of agent, 10 parts of modified polyacrylamide solution, 5 parts of urea, 3 parts of thiourea, 1.5 parts of defoamer, and 200 parts of deionized water.

[0021] The preparation method of the tea extract is to weigh 5 parts of tea leaves in parts by weight, place them in a beaker, add 65 parts of deionized water, heat them on an electric furnace for 25 minutes, and after cooling, use a Buchner funnel to carry out suction filtration. The obtained filtrate is tea extract.

[0022] The preparation method of the modified polyacrylamide is to select an aqueous polyacrylamide solution with an average molecular weight of 18% and a hydrazine hydrate solution with a mass fraction of 75% and mix them at a ratio of 1...

Embodiment 3

[0024] Embodiment 3: A kind of formaldehyde scavenger used for decorative materials and polymeric plates. 5 parts of agent, 10 parts of modified polyacrylamide solution, 5 parts of urea, 3 parts of thiourea, 1.5 parts of defoamer, and 200 parts of deionized water.

[0025] The preparation method of the tea extract is to weigh 5 parts of tea leaves in parts by weight, place them in a beaker, add 75 parts of deionized water, heat them on an electric furnace for 35 minutes, and after cooling, use a Buchner funnel to carry out suction filtration. The obtained filtrate is tea extract.

[0026] The preparation method of the modified polyacrylamide is to select an aqueous solution of polyacrylamide with an average molecular weight of 22% and a solution of hydrazine hydrate with a mass fraction of 85% in a ratio of 1:1 by weight, and mix them at 50-60 Stir and react at ℃ for 21 hours, and the obtained product is precipitated and dried to obtain a modified polyacrylamide.

[0027] De...

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Abstract

The invention relates to the field of indoor environment protection, in particular to a formaldehyde scavenging agent for a decorative material and a polymerized plate. The formaldehyde scavenging agent is prepared from the following raw materials in parts by weight: 15 parts of a tea extract, 12 parts of fatty alcohol-polyoxyethylene ether, 7 parts of dimethyl malate, 5 parts of a nanometer antibacterial agent, 10 parts of a modified polyacrylamide solution, 5 parts of a urea, 3 parts of thiourea, 1.5 parts of a defoaming agent and 200 parts of deionized water. The product can be directly applied to the surface of the decorative material and the polymerized plate, and can effectively reduce the content of toxic and harmful substances such as formaldehyde in a house and improve the home air quality.

Description

technical field [0001] The invention relates to the field of indoor environmental protection, in particular to a formaldehyde scavenger used for decorative materials and polymer plates. Background technique [0002] Formaldehyde pollution is usually the most common and most difficult to deal with in indoor air pollution. In the process of decorating houses, many man-made panels, adhesives, paints, and paints contain formaldehyde, which will volatilize formaldehyde-based pollution for a long time Gas, causing harm to human body. Formaldehyde has been determined by the World Health Organization as a carcinogenic and teratogenic substance. Long-term exposure to formaldehyde can cause chronic respiratory diseases, pregnancy syndrome, leukemia and other diseases. It can also cause chromosomal abnormalities in newborns and adolescents with memory loss and mental retardation. Among them, artificial panels have become the most stubborn and highly harmful pollution source among indo...

Claims

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Application Information

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IPC IPC(8): B01D53/74B01D53/72
CPCB01D53/74B01D53/72B01D2257/708B01D2258/06B01D2259/4508
Inventor 陈生力
Owner BAOHUSAN ENVIRONMENTAL PROTECTION SCI & TECH CHENGDU
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