CN1413750A - Formaldehyde removing agent - Google Patents
Formaldehyde removing agent Download PDFInfo
- Publication number
- CN1413750A CN1413750A CN 01133329 CN01133329A CN1413750A CN 1413750 A CN1413750 A CN 1413750A CN 01133329 CN01133329 CN 01133329 CN 01133329 A CN01133329 A CN 01133329A CN 1413750 A CN1413750 A CN 1413750A
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- formaldehyde
- aldehyde
- distilled water
- triethanolamine
- remover
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- Gas Separation By Absorption (AREA)
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Abstract
A formaldehyde remover for the aldehyde-contained adhesive and the flyboard is prepared from triethanolamine, sodium dimetasulfite, Na2EDTA, 2,3,4,5,6-pentahydroxy hexyaldehyde and distilled water through proportion and compounding. It has high effect on removing formaldehyde from indoor air.
Description
Technical field
The present invention relates to a kind of formaldehyde remover, relate in particular to and contain aldehyde adhesive, synthetic plate factory, and when using it for interior decoration, available this formaldehyde remover is removed from the formaldehyde that wherein dissociates out.
Background technology
Along with the raising day by day of living standards of the people, interior decoration is very general.Yet, contain aldehyde (as urea aldehyde, phenolic aldehyde etc.) factory, synthetic plate (glued board, density board etc.) factory, and when using it for decorated house (door, doorframe etc.), can cause serious pollution to the interior space from the formaldehyde that wherein dissociates out, stimulation people's eyes, oral cavity, nasal cavity etc., the harm people's is healthy.The problems referred to above have caused social common attention, and expectation can be resolved early.Therefore, how to remove the pollution of the formaldehyde that dissociates out, become the problem that scientific and technical personnel pay attention to room air.
Chinese patent application number is that 98806291 (deriving from the Chinese patent Digest Database) are " processing method that contains the mixture of formaldehyde " patent application of Britain Imperial Chemical Industries, has announced a kind of from forming the method for removing the formolation compound the liquid carboxylic of two-phase mixture or the carboxylate logistics with water.It comprises the steps: to make described liquid organic mixture to carry out the liquid extraction step at least one time, water is as extractant, obtains producing in the output logistics of liquid extraction a kind ofly being substantially free of the organic facies logistics of formaldehyde and comprising the water logistics of all formaldehyde basically.It is reported that this method is specially adapted to reduce the content of formaldehyde in the logistics of methyl methacrylate product.
Chinese patent application number is " efficient air purifier " of 95208421 (deriving from the Chinese patent Digest Database), it by loam cake, base, framework, protecgulum, bonnet, grid air inlet, mesh air inlet and the cleaning system and the circuit part that are arranged on the enclosure interior that said structure forms form.Cleaning system is taked double-filtration, artificial membrane filtration dirt, physical absorption and catalyst taste removal simultaneously, utilizes ozone sterilization, sterilization, deodorizing, uses catalyst to remove the method clean air of residual ozone.It is said that this utility model can be used for removing dust, smog, deodorizing, various peculiar smell, stink and formaldehyde, coal gas, various bacteriums etc.But this clarifier structure is formed complicated, and investment and operating cost are higher, and operating process is than complexity etc.
At present, " formaldehyde catching agent " that the big deer dwarf formula commercial firm of the Japan that sell the domestic market produces, its PH=6.5 forms unclear.Warp, once evenly sprays with a certain amount of this formaldehyde catching agent every square metre of synthetic plate table, side, detects according to formaldehyde sanitary inspection method in China's residential area atmosphere after 24 hours, and the formaldehyde in indoor air content is little before and after spraying.
Summary of the invention
The present invention is for solving the factory that contains aldehyde (as urea aldehyde, phenolic aldehyde etc.) adhesive factory, produces synthetic plate (as glued board, density board etc.) with the aforementioned adhesion agent, or they are used to decorate the pollution to room air of indoor etc. and formaldehyde that dissociating of producing, and prevention formaldehyde continues to dissociate out, and research and develop a kind of formaldehyde remover, to alleviate the pollution of free formaldehyde to room air.
A kind of formaldehyde remover, it is characterized in that it is by triethanolamine, Sodium Metabisulfite, disodium ethylene diamine tetraacetate, 2,3,4,5, the 6-penta hydroxy group is the solution formed of aldehyde and distilled water, wherein triethanolamine, Sodium Metabisulfite, disodium ethylene diamine tetraacetate, 2,3,4,5, the 6-penta hydroxy group is the consumption of aldehyde and distilled water, be respectively 0.9-1.1 part, 0.22-0.28 part, 0.22-0.28 part, 0.2-0.6 part and 125 parts (above all by weight) and make concentrate, before the application again with it with distilled water diluting to 1000 part (by weight).
Triethanolamine in the above-mentioned formaldehyde remover, Sodium Metabisulfite, disodium ethylene diamine tetraacetate, 2,3,4,5,6-penta hydroxy group aldehyde preferable amount are respectively 1.0 parts, 0.25 part, 0.25 part, 0.5 part (all by weight).
Contain carbonyl in the formaldehyde molecule (HCHO).The formaldehyde that contains carbonyl is a kind of polar compound, (solubility is 55%) soluble in water easily, and nucleophilic addition takes place easily, it is relevant with the power of the nucleophilicity of formaldehyde remover whether this reaction is carried out not only easily, depends on the size (promptly being subjected to the influence of three-dimensional effect) of steric restriction simultaneously again.Therefore, the present invention is a solvent with water, and has selected triethanolamine, Sodium Metabisulfite, 2,3,4,5 for use, and 6-penta hydroxy group aldehyde is a solute, and has added the formaldehyde remover of the solution state of disodium ethylene diamine tetraacetate composition.
In the formaldehyde remover, added a certain amount of disodium ethylene diamine tetraacetate as stabilizing agent, prevented from or reduce wherein solute before running into formaldehyde, to react between mutually, to prolong the term of validity of described formaldehyde remover.
In addition, a certain amount of hardening agent-2,3,4 in the formaldehyde remover, have been added again, 5, the 6-penta hydroxy group is aldehyde, makes it that series reaction take place, and generates the mixture of mannose, fructose and glucose, in the aqueous solution, be reversible reaction, thereby further remove formaldehyde, alleviate its pollution room air.
This formaldehyde remover carries out application experiment by known method, room sealing (promptly closing the doors and windows) after being about to fit up is after 24 hours, behind the content of formaldehyde (being formaldehyde in indoor air content) according to background in the formaldehyde sanitary inspection method AHMT AAS sensing chamber in the atmosphere of State Standard of the People's Republic of China GB/T16129-1995 residential area, carry out room emptying once more after 24 hours, again sealing time with a certain amount of formaldehyde remover with spray pattern, to the exposed part (comprise the interior outer surface of described articles for use and side etc.) of the indoor article behind the finishing of unit are without the spraying paint film, use the room space of a certain amount of formaldehyde remover unit volume simultaneously, at least once spray respectively.Seal the standard (maximum permissible concentration is 0.08 milligram every cubic metre) that can reach formaldehyde in the State Standard of the People's Republic of China GB/T16127-1995 indoor air after 24 hours.
The specific embodiment
One, the preparation of formaldehyde remover:
At first the distilled water with 125 liters is added in the container of 250 liters, get triethanolamine 1000 grams, Sodium Metabisulfite 250 grams, disodium ethylene diamine tetraacetate 250 grams, 2 then, 3,4,5, the 6-penta hydroxy group is aldehyde 500 grams (it is pure that above four kinds of materials are analysis), be added in the aforesaid distilled water successively respectively, stir while adding and make it abundant dissolving, to make the concentrated solution of formaldehyde remover, packing is convenient to transportation then, again aforesaid formaldehyde remover is restrained (by weight) with distilled water diluting to 1000 before the use, pH value is near 8.
Two, application experiment:
Use formaldehyde remover of the present invention according to preceding method: the room emptying (opening door and window) after will fitting up is after 24 hours, seal room (closing the doors and windows) again after 24 hours, detect room background content of formaldehyde (being formaldehyde in indoor air content) according to the aforesaid method of inspection, room emptying after 24 hours again, seal the room again, simultaneously with spray pattern, to the exposed part (be interior outer surface and the side of described articles for use) of every square metre the indoor article of having fitted up without the spraying paint film, simultaneously to every cubic metre room space, use 25 milligrams respectively, 5 milligrams formaldehyde remover of the present invention at least once sprays.Detect according to formaldehyde examination criteria in the aforementioned indoor air after 24 hours.As a result,, only spray once when formaldehyde in indoor air content is every cubic metre below 0.15 milligram the time, in the room in the air content of formaldehyde just can reach the sanitary standard of having stated (being 0.08 milligram every cubic metre).Content of formaldehyde is higher than every cubic metre 0.15 milligram hour in indoor air, at interval after the week, carry out secondary at least again and spray, otherwise a Zhou Houzai sprays etc. for the third time.
Three, contrast test:
(1) big deer Co., Ltd. of Japan of selling " formaldehyde catching agent " of producing with China market (component is unclear, PH=6.5), go up the using method of indicating by its packing: every square metre of synthetic plate is sprayed 6 grams, spray after one time 24 hours, detect with above-mentioned detection method, formaldehyde in indoor air content is reduced to every cubic metre of 0.12mg by every cubic metre of 0.13mg before spraying, and synthetic plate surface attachment crystalline particle.
(2) to fitting up back every square metre of exposed part, every cubic metre of interior space without the spraying paint film, respectively with respectively spraying once that 25mg, 5mg the present invention carry for the formaldehyde remover, check with the aforesaid method of inspection after 24 hours, formaldehyde in indoor air content is reduced to every cubic metre of 0.12mg by every cubic metre of 0.20mg before spraying as a result.
By contrast test as seen; The effect of formaldehyde remover of the present invention is better than " formaldehyde catching agent " (selling in China market) that the big deer Co., Ltd. of Japan produces, and consumption is low.
Claims (2)
1, a kind of formaldehyde remover, it is characterized in that it is by triethanolamine, Sodium Metabisulfite, disodium ethylene diamine tetraacetate, 2,3,4,5, the 6-penta hydroxy group is the aqueous solution formed of aldehyde and distilled water, wherein triethanolamine, Sodium Metabisulfite, disodium ethylene diamine tetraacetate, 2,3,4,5, the 6-penta hydroxy group is the consumption of aldehyde, distilled water, be respectively 0.9-1.1 part, 0.22-0.28 part, 0.22-0.28 part, 0.2-0.6 part, 125 parts (above all by weight) and make concentrate, before the application again with it with distilled water diluting to 1000 part (weight meter).
2, formaldehyde remover according to claim 1, it is characterized in that wherein contained triethanolamine, Sodium Metabisulfite, disodium ethylene diamine tetraacetate, 2,3,4,5,6-hexonic acid preferable amount is respectively 1.0 parts, 0.25 part, 0.25 part, 0.5 part (all by weight).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011333294A CN1169590C (en) | 2001-10-23 | 2001-10-23 | Formaldehyde removing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011333294A CN1169590C (en) | 2001-10-23 | 2001-10-23 | Formaldehyde removing agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1413750A true CN1413750A (en) | 2003-04-30 |
| CN1169590C CN1169590C (en) | 2004-10-06 |
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ID=4671712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011333294A Expired - Fee Related CN1169590C (en) | 2001-10-23 | 2001-10-23 | Formaldehyde removing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1169590C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507149C (en) * | 2005-06-09 | 2009-07-01 | 叶殷如 | Paper or cloth for removing formaldehyde and indoor organic volatile matter |
| CN101810160A (en) * | 2010-04-13 | 2010-08-25 | 南京医科大学 | Soaking preservation solution for removing formaldehyde from human anatomic specimen and preparation method thereof |
| CN101574536B (en) * | 2009-05-30 | 2012-10-31 | 崔文艳 | Glucoside-containing composition, preparation method thereof and use thereof |
| CN102921276A (en) * | 2012-11-12 | 2013-02-13 | 刘乐鑫 | Formaldehyde remover |
| CN102974067A (en) * | 2012-10-18 | 2013-03-20 | 郑丽 | Elimination method of formaldehyde |
| CN104841257A (en) * | 2015-04-14 | 2015-08-19 | 张家港大塚化学有限公司 | Safe formaldehyde removing solution, and preparation method thereof |
| CN105597261A (en) * | 2015-12-31 | 2016-05-25 | 山东新港企业集团有限公司 | Biomass formaldehyde eliminating agent and preparing method thereof |
| CN107890765A (en) * | 2017-12-19 | 2018-04-10 | 净典环保科技（上海）有限公司 | A kind of highly enriched formaldehyde scavenger of four-in-one |
| CN109085130A (en) * | 2018-07-04 | 2018-12-25 | 湖州知辉进出口贸易有限公司 | A kind of measuring method of formaldehyde in air content |
| CN114085395A (en) * | 2021-12-30 | 2022-02-25 | 江苏沃荷乳胶科技股份有限公司 | Natural latex product vulcanization process without formaldehyde residue |
-
2001
- 2001-10-23 CN CNB011333294A patent/CN1169590C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100507149C (en) * | 2005-06-09 | 2009-07-01 | 叶殷如 | Paper or cloth for removing formaldehyde and indoor organic volatile matter |
| CN101574536B (en) * | 2009-05-30 | 2012-10-31 | 崔文艳 | Glucoside-containing composition, preparation method thereof and use thereof |
| CN101810160A (en) * | 2010-04-13 | 2010-08-25 | 南京医科大学 | Soaking preservation solution for removing formaldehyde from human anatomic specimen and preparation method thereof |
| CN102974067A (en) * | 2012-10-18 | 2013-03-20 | 郑丽 | Elimination method of formaldehyde |
| CN102974067B (en) * | 2012-10-18 | 2014-12-24 | 郑丽 | Elimination method of formaldehyde |
| CN102921276A (en) * | 2012-11-12 | 2013-02-13 | 刘乐鑫 | Formaldehyde remover |
| CN104841257A (en) * | 2015-04-14 | 2015-08-19 | 张家港大塚化学有限公司 | Safe formaldehyde removing solution, and preparation method thereof |
| CN105597261A (en) * | 2015-12-31 | 2016-05-25 | 山东新港企业集团有限公司 | Biomass formaldehyde eliminating agent and preparing method thereof |
| CN107890765A (en) * | 2017-12-19 | 2018-04-10 | 净典环保科技（上海）有限公司 | A kind of highly enriched formaldehyde scavenger of four-in-one |
| CN109085130A (en) * | 2018-07-04 | 2018-12-25 | 湖州知辉进出口贸易有限公司 | A kind of measuring method of formaldehyde in air content |
| CN114085395A (en) * | 2021-12-30 | 2022-02-25 | 江苏沃荷乳胶科技股份有限公司 | Natural latex product vulcanization process without formaldehyde residue |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1169590C (en) | 2004-10-06 |
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Granted publication date: 20041006 |