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Environmental-friendly formaldehyde scavenger and preparation method thereof

A formaldehyde scavenger and environment-friendly technology, applied in the field of environment-friendly formaldehyde scavenger and its preparation, can solve the problems of surrounding human body and environment pollution, low extraction efficiency, waste of raw materials, etc., and achieve high utilization rate of raw materials, high extraction efficiency, and production cycle. short effect

Inactive Publication Date: 2012-06-20
天津创誉科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

supercritical CO 2 The extraction method overcomes the disadvantages of low extraction efficiency, non-environmental protection, and serious waste of raw materials in the solvent recovery process of the original solvent extraction method. At the same time, the formaldehyde scavenger made of natural substances extracted by traditional methods usually contains a variety of solvents or additives. The human body and the environment are likely to cause other pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Based on the preparation of 100kg environmentally friendly formaldehyde scavenger:

[0026] 1. Use a high-speed rotary pulverizer to pulverize 1kg of aloe vera, 1kg of Chlorophytum and 1.5kg of ivy mixture until the particle size is less than 2mm as raw material.

[0027] 2. Control the supercritical extraction machine at temperature = 33°C, pressure = 7.5MP, and use supercritical liquid CO 2 As a solvent, the raw materials in 1 are added to a supercritical extractor for natural amino acid extraction.

[0028] 3. After 2 hours of extraction in a supercritical extractor, 0.3 kg of a natural amino acid product is isolated.

[0029] 4. Under the condition of stirring at normal temperature, the extracted natural amino acid is added into 99.5 kg aqueous solution in which 0.2 kg of sodium dodecylbenzenesulfonate is dissolved according to the proportion, and the environment-friendly formaldehyde scavenger is prepared after stirring evenly. Determination of each amino acid co...

Embodiment 2

[0031] Based on the preparation of 100kg formaldehyde scavenger:

[0032] 1. Use a high-speed rotary pulverizer to pulverize 3kg of aloe vera, 5kg of Chlorophytum and 9kg of ivy mixture until the particle size is less than 2mm as raw material.

[0033] 2. Control the supercritical extraction machine at temperature = 33°C, pressure = 7.5MP, and use supercritical liquid CO 2 As a solvent, the raw materials in 1 are added to a supercritical extractor for natural amino acid extraction.

[0034] 3. After 2 hours of extraction in a supercritical extractor, 1.3 kg of natural amino acid products were isolated.

[0035] 4. Under the condition of stirring at normal temperature, add the extracted natural amino acid into 97.7 kg aqueous solution dissolved with 1 kg of sodium dodecylbenzene sulfonate according to the proportion, and stir evenly to prepare an environmentally friendly formaldehyde scavenger. Measure each amino acid component in the environmental protection formaldehyde sca...

Embodiment 3

[0037] Based on the preparation of 100kg formaldehyde scavenger:

[0038] 1. Use a high-speed rotary pulverizer to pulverize 2kg of aloe vera, 3kg of Chlorophytum and 11kg of ivy mixture until the particle size is less than 2mm as raw material.

[0039] 2. Control the supercritical extraction machine at temperature = 33°C, pressure = 7.5MP, and use supercritical liquid CO 2As a solvent, the raw materials in 1 are added to a supercritical extractor for natural amino acid extraction.

[0040] 3. After extracting for 2 hours in a supercritical extractor, 1.1 kg of natural amino acid products were isolated.

[0041] 4. Under the condition of stirring at normal temperature, the extracted natural amino acid is added into 98.2kg aqueous solution dissolved with 0.7g sodium dodecylbenzenesulfonate according to the proportion, and the environment-friendly formaldehyde scavenger is prepared after stirring evenly. Measure each amino acid component in the environmental protection formald...

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PUM

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Abstract

The invention discloses a method for preparing environmental-friendly formaldehyde scavenger by using natural substances, comprising the following steps: grinding the aloe, the chlorophytum comosum and the ivy which are used as raw materials, extracting natural amino acids in the supercritical state by adopting the supercritical process through using the liquid CO2 as the solvent, adding the aqueous solution of sodium dodecyl benzene sulfonate, and stirring uniformly to obtain the finished product which is the environmental-friendly formaldehyde scavenger. The method for preparing the environmental-friendly formaldehyde scavenger ensures high extraction rate and high raw material utilization rate; the liquid CO2 serving as the environmental-friendly extracting agent can not cause pollution to people around and environment; the natural extraction has no harm to the human body; the extracting process has short production cycle and is easy to realize continuous stable production; the prepared environmental-friendly formaldehyde scavenger can initiatively to block and capture the ormaldehyde in the air or the plates through the amino in the amino acid and can carry out polymerization with the captured carbonyl in the formaldehyde in 1 minute.

Description

technical field [0001] The technical solution of the present invention involves a method for preparing an environmentally friendly formaldehyde scavenger by using natural materials, specifically an environmentally friendly preparation method for extracting a natural formaldehyde scavenger from fruits using a supercritical carbon dioxide extraction method. Background technique [0002] With the improvement of people's living standards, the types and quantities of building decoration materials and household chemicals are increasing. These materials or products will release harmful chemical components into the room. The formaldehyde emitted from furniture and building materials for a long time will continue to cause indoor air pollution. Years of severe pollution, the number of deaths caused by indoor pollution in my country is equivalent to the number of people who die in car accidents every year, most of which are cancer and leukemia. [0003] Currently commercially available ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D3/30A62D101/28
Inventor 董天力聂文颖刘玉华陈鸿健
Owner 天津创誉科技发展有限公司
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