CN104857663A - Formaldehyde scavenging agent for artificial board - Google Patents
Formaldehyde scavenging agent for artificial board Download PDFInfo
- Publication number
- CN104857663A CN104857663A CN201510259995.8A CN201510259995A CN104857663A CN 104857663 A CN104857663 A CN 104857663A CN 201510259995 A CN201510259995 A CN 201510259995A CN 104857663 A CN104857663 A CN 104857663A
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- wood
- formaldehyde
- based plate
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- formaldehyde scavenger
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/28—Organic substances containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
Abstract
The invention discloses a formaldehyde scavenging agent for an artificial board. The formaldehyde scavenging agent comprises raw materials in parts by weight as follows: 5-15 parts of attapulgite, 0.5-1.5 parts of tea polyphenol, 1-3 parts of amino acid, 75-85 parts of a sodium sulfate-hydrogen peroxide-sodium chloride adduct, 1-5 parts of anatase titanium dioxide and 1-5 parts of a penetrating agent. The formaldehyde scavenging agent for the artificial board is healthy and environment-friendly, and can effectively remove formaldehyde in the artificial board.
Description
Technical field
The present invention relates to a kind of wood-based plate formaldehyde scavenger.
Background technology
Along with growth in the living standard, and the continuous reinforcement of health perception and environmental consciousness, people are to oneself indoor environment growing interest.People use the various new materials of such as wood-based plate and so on to carry out interior decoration mostly, but the wood-based panel products such as the glued board be pressed into by urea-formaldehyde resin adhesive, phenolic resin glue, melamine-formaldehyde resin adhesive etc., particieboard, density board, fine workmanship's plate, while beautifying room, become again the main source of indoor formaldehyde.Producing and using the free formaldehyde discharged in wood-based plate, pollute living environment, the health of infringement people.The reason of wood-based plate release formaldehyde is roughly as follows: remaining unreacted free formaldehyde during (1) resins synthesis; (2), during resins synthesis, participated in reacting the formaldehyde generating unstable group, can discharge again in hot pressing; (3) when resins synthesis, be adsorbed on formaldehyde molecule protonated around colloidal particle, also can discharge under electrolytical effect.
Formaldehyde can change methyl alcohol in human body, therefore can cause more weak anesthetic effect, has impact to optic nerve.Formaldehyde can cause the change of enzymatic activity in central nervous system, body and endocrine, immune change, the formaldehyde of high concentration is all toxic for nervous system, immune system, liver, and exciting eye conjunctiva, respiratory mucosa and producing are shed tears, runny nose, the conjunctivitis that causes, sphagitis, asthma, bronchitis and allergic disease.US Occupational Safety in 1981 and health research institute are using formaldehyde as suspect carcinogen, and many animals shows that formaldehyde has clear and definite carcinogenicity.Formaldehyde is long for incubation period, and artificial board release period is 3-5, and by formaldehyde-caused occupational asthma, its incubation period is several weeks to the several years.
For above-mentioned formaldehyde pollution, formaldehyde scavenger product in the market, the usual processing mode according to physical absorption or chemisorbed eliminates removing residue formaldehyde, but can there is the technological deficiencies such as formation secondary pollution, toxicity are comparatively large, formaldehyde removal efficiency is low, action time is short.
Wood-based plate (wood based panel), with timber or other non-wood plants for raw material, is separated into after various unit material through certain machining, applies or do not apply sheet material or the pressing of adhesive and other additives gummed.Mainly comprise glued board, product such as three major types such as wood shavings (particle) plate and fiberboard etc., its extension product and deep processed product reach hundreds of.The birth of wood-based plate, indicates the beginning in timber processing modernization period, process is developed into from simple change log shapes and improves wood property.This development, not only relates to whole wood working process, needs the technology absorbing the fields such as weaving, papermaking, thus forms independently processing technology.In addition, wood-based plate also can improve the comprehensive utilization ratio of timber, and 1 cubic metre of wood-based plate can replace 3-5 cubic meter log to use.
But owing to there is a large amount of formaldehyde in wood-based plate, one is detrimental to health.
Summary of the invention
The object of the invention is in view of the foregoing defects the prior art has, technical problem to be solved is to provide a kind of wood-based plate formaldehyde scavenger.
A kind of wood-based plate formaldehyde scavenger, comprising: attapulgite, Tea Polyphenols and amino acid.
A kind of wood-based plate formaldehyde scavenger, is made up of the raw material of following weight parts: attapulgite 5 ~ 15 parts, Tea Polyphenols 0.5 ~ 1.5 part, amino acid/11 ~ 3 part, adduct sodium sulphate-hydrogen peroxide-sodium chloride 75 ~ 85 parts, anatase thpe white powder 1 ~ 5 part, bleeding agent 1 ~ 5 part.
Attapulgite, also known as palygorskite (Palygorskite) or Palygorskite, be a kind of tool chain layer structure containing Shuifu County's magnesium silicate clay mineral.Its structure belongs to 2:1 type clay mineral.In each 2:1 unit structure layer, tetrahedron wafer angle is pushed up direction at a certain distance and is put upside down, and forms layer chain.
Tea Polyphenols, CAS 84650-60-2, have another name called antioxygen spirit, WEIDUOFEN, the spirit of anti-Kazakhstan, it is polyhydroxyl compounds contained in tealeaves, be called for short TP, main chemical compositions is the complex of catechin (flavanol compound), flavones and the compound such as flavonols, anthocyan, phenolic acid and depside, polymerization phenols.Wherein catechin compounds is the bulk composition of Tea Polyphenols, accounts for 65% ~ 80% of Tea Polyphenols total amount.
Amino acid, contains the common name of a class organic compound of amino and carboxyl.The basic composition unit of biological function macro-molecular protein is the base substance forming Animal nutrition desired protein.Preferably, described amino acid is one in alanine, tryptophan, ASPARTIC ACID, histidine, lysine, glutamic acid, methionine, proline, threonine, leucine, arginine, interior propylhomoserin, glycine and L-homoserine or its mixture.Optimally, described amino acid is the mixture of ASPARTIC ACID and L-homoserine, and wherein the mass ratio of ASPARTIC ACID and L-homoserine is 2:1-1:2.
Adduct sodium sulphate-hydrogen peroxide-sodium chloride, also known as Solid hydrogen peroxide, have the effects such as bleaching, sterilization, sterilization, and oxidation susceptibility is gentle, nontoxic, nuisanceless.As a kind of neutrality, nontoxic washing assisant, than alkaline peroxide as SODIUM PERCARBONATE, sodium perborate, peroxophosphoric acid sodium etc. demonstrate more superiority, its production cost is lower, store and transport convenient stable, oxidation susceptibility more gentle, the result of use of safety and environmental-protecting performance better.Its preparation technology can be: added in hydrogenperoxide steam generator by sodium chloride, then add anhydrous sodium sulfate, and stir, decompress filter, vacuum drying, obtains adduct sodium sulphate-hydrogen peroxide-sodium chloride.
Anatase thpe white powder, No. CAS: 13463-67-7, there is good photocatalysis effect, aerial pernicious gas and part inorganic compound can be decomposed, and the activity of bacteria growing inhibiting and virus, reach purification of air, sterilization, deodorizing, mildew-resistant.
Bleeding agent is anion surfactant, non-ionic surface active agent or zwitterionic surfactant.Preferably, described bleeding agent is one in AEO (No. CAS: 68213-23-0), APES (No. CAS: 3858-23-68), disecoctylmaleate sodium sulfonate (No. CAS: 1639-66-3) or its mixture.
This area conventional method can be adopted to prepare wood-based plate formaldehyde scavenger of the present invention, such as attapulgite, Tea Polyphenols, amino acid, adduct sodium sulphate-hydrogen peroxide-sodium chloride, anatase thpe white powder and bleeding agent can be mixed, stir and can obtain wood-based plate formaldehyde scavenger of the present invention.
Wood-based plate formaldehyde scavenger of the present invention, health environment-friendly, effectively can remove the formaldehyde in wood-based plate.
Detailed description of the invention
Below by embodiment, the present invention is specifically described.
The preparation of adduct sodium sulphate-hydrogen peroxide-sodium chloride:
46 kilograms of sodium chloride are added in 200L35wt% hydrogenperoxide steam generator, keeps temperature 25 DEG C, under constantly stirring, slowly add 60 kilograms of anhydrous sodium sulfates, constant temperature stirring reaction 30min.Decompress filter, vacuum drying.Obtain 64 kilograms of product adduct sodium sulphate-hydrogen peroxide-sodium chlorides, wherein content of hydrogen peroxide 9.3wt%.
Embodiment 1-3
By table 1 corresponding data, attapulgite, Tea Polyphenols, amino acid, above-mentioned adduct sodium sulphate-hydrogen peroxide-sodium chloride, anatase thpe white powder and bleeding agent are mixed, stirs and can obtain embodiments of the invention 1-3 wood-based plate formaldehyde scavenger.
Table 1: wood-based plate formaldehyde scavenger formula table unit: gram
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Attapulgite | 10 | 10 | 10 |
| Tea Polyphenols | 1 | 1 | 1 |
| ASPARTIC ACID (CAS 56-84-8) | 2 | / | 1 |
| L-homoserine (CAS 672-15-1) | / | 2 | 1 |
| Adduct sodium sulphate-hydrogen peroxide-sodium chloride | 81 | 81 | 81 |
| Anatase thpe white powder | 3 | 3 | 3 |
| Disecoctylmaleate sodium sulfonate | 3 | 3 | 3 |
Test case 1
Get by the obtained wood-based plate formaldehyde scavenger of embodiment 1-3 respectively, according to wood-based plate formaldehyde scavenger: water=1:9 mass ratio configuration, mixes wood-based plate formaldehyde scavenger with water, stir, the supensoid agent that obtained embodiment 1-3 is corresponding.
Respectively supensoid agent corresponding for 5 grams of embodiment 1-3 is evenly brushed at 0.20m
2blank sheet of paper on, put into the vacuum desiccator of 5L, be filled with containing 10mg/m after vacuumizing
3air to 1 atmospheric pressure of formaldehyde.After 24h, get 0.5L gas sample, measure the change of wherein concentration of formaldehyde.The method that concentration of formaldehyde is specified by GB-13197-91 measures, and namely with the formaldehyde in a certain amount of absorbing pure water gas sample, then uses the formaldehyde in spectrophotometric determination water.Formaldehyde collecting rate calculates by following formula:
Wherein, A
0and A
xto be respectively when test starts and the absorbance of formaldehyde air after 24 hours.
Concrete test data is in table 2.
Table 2: formaldehyde collecting rate test chart
| Formaldehyde collecting rate, % | |
| Embodiment 1 | 93.8 |
| Embodiment 2 | 92.5 |
| Embodiment 3 | 97.7 |
Test case 2
Adopt the formaldehyde scavenger process of the wood-based plate of embodiment 1-3 containing the medium density fibre board (MDF) of formaldehyde.
Selection thickness is 9mm, long 2440mm, the medium density fibre board (MDF) of wide 1220mm.10ml/m is pressed with high-pressure ion spraying
2consumption spray respectively evenly the obtained formaldehyde scavenger of embodiment 1-3 in medium density fibre board (MDF) two sides anyway, then send drying kiln to dry, bake out temperature selects 70 DEG C, dries 1 hour, kiln discharge temperature 60 C, then pile, health 15 days.
Measure according to GB18580-2001 " in indoor decorating and refurnishing materials wood-based plate and goods thereof Form aldehyde release limitation " standard desiccator method.
Table 3: artificial board formaldehyde burst size test chart
| Medium density fibre board (MDF) | Burst size of methanal, mg/L |
| Blank group (unprocessed) | 5.10 |
| Through the formaldehyde scavenger process of embodiment 1 wood-based plate | 0.17 |
| Through the formaldehyde scavenger process of embodiment 2 wood-based plate | 0.18 |
| Through the formaldehyde scavenger process of embodiment 3 wood-based plate | 0.12 |
Claims (5)
1. a wood-based plate formaldehyde scavenger, comprises following raw material: attapulgite, Tea Polyphenols and amino acid.
2. a wood-based plate formaldehyde scavenger, is made up of the raw material of following weight parts: attapulgite 5 ~ 15 parts, Tea Polyphenols 0.5 ~ 1.5 part, amino acid/11 ~ 3 part, adduct sodium sulphate-hydrogen peroxide-sodium chloride 75 ~ 85 parts, anatase thpe white powder 1 ~ 5 part, bleeding agent 1 ~ 5 part.
3. wood-based plate formaldehyde scavenger as claimed in claim 2, it is characterized in that, described amino acid is the mixture of ASPARTIC ACID and L-homoserine, and wherein the mass ratio of ASPARTIC ACID and L-homoserine is 2:1-1:2.
4. wood-based plate formaldehyde scavenger as claimed in claim 2, it is characterized in that, described adduct sodium sulphate-hydrogen peroxide-sodium chloride adopts following method to be prepared from: added by sodium chloride in hydrogenperoxide steam generator, add anhydrous sodium sulfate again, stir, decompress filter, vacuum drying.
5. wood-based plate formaldehyde scavenger as claimed in claim 2, is characterized in that, described bleeding agent is one in AEO, APES, disecoctylmaleate sodium sulfonate or its mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510259995.8A CN104857663A (en) | 2015-05-20 | 2015-05-20 | Formaldehyde scavenging agent for artificial board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510259995.8A CN104857663A (en) | 2015-05-20 | 2015-05-20 | Formaldehyde scavenging agent for artificial board |
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| CN201510259995.8A Withdrawn CN104857663A (en) | 2015-05-20 | 2015-05-20 | Formaldehyde scavenging agent for artificial board |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178384A (en) * | 2016-08-02 | 2016-12-07 | 保护伞环保科技成都有限公司 | A kind of formaldehyde scavenger |
| CN106215364A (en) * | 2016-08-02 | 2016-12-14 | 保护伞环保科技成都有限公司 | A kind of formaldehyde scavenger for sheet material |
| CN108014612A (en) * | 2017-12-13 | 2018-05-11 | 威士迪（杭州）生物技术有限公司 | A kind of compound formaldehyde scavenger and preparation method thereof |
| CN109440463A (en) * | 2018-10-08 | 2019-03-08 | 中原工学院 | A kind of method for sorting of formaldehyde absorbing fiber type |
| CN109772149A (en) * | 2017-11-13 | 2019-05-21 | 霍尼韦尔国际公司 | For removing the composition and method of air pollutants |
| CN110366491A (en) * | 2017-10-23 | 2019-10-22 | 上海协承昌化工有限公司 | A kind of composite board |
| CN111805677A (en) * | 2020-07-24 | 2020-10-23 | 寿光市鲁丽木业股份有限公司 | Preparation process of flame-retardant shaving board |
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| JP2006326231A (en) * | 2005-05-23 | 2006-12-07 | Top-I:Kk | Formaldehyde eliminating and deodorizing apparatus |
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| CN102527228A (en) * | 2011-12-31 | 2012-07-04 | 南京亿谱环境服务有限公司 | Novel visible color change formaldehyde scavenger |
| CN103120892A (en) * | 2012-12-31 | 2013-05-29 | 武汉碧艾投资管理有限公司 | Method for purifying air by using extract obtained from tea |
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Patent Citations (6)
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| JP2006326231A (en) * | 2005-05-23 | 2006-12-07 | Top-I:Kk | Formaldehyde eliminating and deodorizing apparatus |
| CN101007203A (en) * | 2006-01-23 | 2007-08-01 | 胡默言 | An amino acid type formol release agent and its preparation method |
| CN101549198A (en) * | 2009-05-22 | 2009-10-07 | 朱君山 | Formaldehyde scavenger and its application in producing timber flooring |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178384A (en) * | 2016-08-02 | 2016-12-07 | 保护伞环保科技成都有限公司 | A kind of formaldehyde scavenger |
| CN106215364A (en) * | 2016-08-02 | 2016-12-14 | 保护伞环保科技成都有限公司 | A kind of formaldehyde scavenger for sheet material |
| CN110366491A (en) * | 2017-10-23 | 2019-10-22 | 上海协承昌化工有限公司 | A kind of composite board |
| CN109772149A (en) * | 2017-11-13 | 2019-05-21 | 霍尼韦尔国际公司 | For removing the composition and method of air pollutants |
| CN108014612A (en) * | 2017-12-13 | 2018-05-11 | 威士迪（杭州）生物技术有限公司 | A kind of compound formaldehyde scavenger and preparation method thereof |
| CN109440463A (en) * | 2018-10-08 | 2019-03-08 | 中原工学院 | A kind of method for sorting of formaldehyde absorbing fiber type |
| CN109440463B (en) * | 2018-10-08 | 2021-03-16 | 中原工学院 | Formaldehyde adsorption type fiber finishing method |
| CN111805677A (en) * | 2020-07-24 | 2020-10-23 | 寿光市鲁丽木业股份有限公司 | Preparation process of flame-retardant shaving board |
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Application publication date: 20150826 |