CN103272461A - Technology for producing formaldehyde scavenging agent by using vegetable proteins - Google Patents
Technology for producing formaldehyde scavenging agent by using vegetable proteins Download PDFInfo
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- CN103272461A CN103272461A CN2013101883680A CN201310188368A CN103272461A CN 103272461 A CN103272461 A CN 103272461A CN 2013101883680 A CN2013101883680 A CN 2013101883680A CN 201310188368 A CN201310188368 A CN 201310188368A CN 103272461 A CN103272461 A CN 103272461A
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Abstract
The invention relates to a technology for producing a formaldehyde scavenging agent by using vegetable proteins. The technology comprises the following steps of: hydrolyzing the vegetable proteins by mainly using an oxidation method, and then adding an aldehyde removal additive such as citric acid, catechinic acid, triethanolamine and an active enzyme preparation. The formaldehyde scavenging agent produced by using the vegetable proteins is used for eliminating, adsorbing and decomposing formaldehyde in decorative materials or air.
Description
Technical field:
The present invention relates to a kind of production technology and manufacture craft that causes the novel plant albumen formaldehyde scavenger of environmental pollution improvement because of formaldehyde.
Background technology:
1, the harm of formaldehyde, source:
In recent years, along with the raising of living standards of the people, people are also more and more higher to the requirement of interior decoration standard, and home decoration is modernization day by day, but the room air chemical substance pollution problem that causes owing to material and finishing is following.It is healthy that these chemicals have had a strong impact on the resident, caused the great attention of countries in the world and domestic relevant department.In numerous pollution sources, formaldehyde is big to measure, strong toxicity, absorption is strong, scope is wide, has classified No.1 pollutant as.
Formaldehyde is a kind of volatile organic matter with big toxicity.(chemical molecular formula HCHO, molecular weight: 30.03, be a kind of colourless, the gas of intense stimulus smell is arranged.Soluble in water, alcohol ether.Formaldehyde is gaseous state at normal temperatures, occurs with aqueous solution form usually.Its aqueous solution of 40% is called formalin, and this solution boiling point is 19 ℃.So highly volatile when room temperature is along with the rising evaporation rate of temperature is accelerated.
Formaldehyde is the material than high toxicity, is defined as carcinogenic and teratogenesis shape material by the World Health Organization, is the allergen of generally acknowledging, also is one of potential strong mutagen.Studies show that: formaldehyde has strong carcinogenic and short cancer effect.The lot of documents record, formaldehyde mainly shows aspects such as allotriosmia, stimulation, allergy, abnormal pulmonary function, dysfunction of liver and immunologic dysfunction to health effects.Its concentration reaches 0.06-0.07mg/m in every cubic metres of air
3The time, slight asthma will take place in children.When formaldehyde in indoor air content is 0.1mg/m
3The time, peculiar smell and sense of discomfort are just arranged; Reach 0.5mg/m
3The time, can stimulate eyes, cause and shed tears; Reach 0.6mg/m
3, can cause throat discomfort or pain.When concentration is higher, the vomiting that can cause nausea, it is uncomfortable in chest to cough, asthma even pulmonary edema; Reach 30mg/m
3The time, meeting is the causing death immediately.Long-term contact low dosage formaldehyde can cause chronic respiratory disease, cause nasopharyngeal carcinoma, colon cancer, brain tumor, paramenia, nuclear gene mutation, in the dna single chain commissure and DNA and protein commissure and suppress dna damage reparation, pregnancy syndrome, cause neonatal chromosome disorder, leukaemia, cause the decline of teenager's memory and intelligence.In all contactees, children and pregnant woman's PARA FORMALDEHYDE PRILLS(91,95) are particularly responsive, and harm is also just bigger.Mostly indoor formaldehyde is because due to the pollution of finishing and furniture, its release period reaches 3-15, and meeting heat chance tide will evaporate from the material deep layer, and serious environment pollution has become insoluble global problem.
Investigation finds, the main path that causes indoor formaldehyde to pollute is a large amount of ornament materials of using of household and furniture etc., mainly comprises artificial boards such as indoor decoration glued board, core-board, particieboard.Because it is many based on Lauxite to produce the employed adhesive of decorative panel at present, therefore residual formaldehyde components can discharge in air gradually in the sheet material, become the main source that formaldehyde gas pollutes in the indoor gas, and the formaldehyde gas that discharges also can gather in wall, floor even toy for children gradually, and human body especially teenager is caused bigger harm.In addition, thus other kinds ornament materials such as wall paper, wallpaper, chemical fibre carpet, paint and coating etc. also contain the formaldehyde composition causes the indoor formaldehyde gas content to increase.And artificial floor, furniture have used glue inferior also can produce a large amount of formaldehyde emissions as having used underproof sheet material or adhesives.Be noted that formaldehyde especially also from cosmetics, cleaning agent, pesticide, disinfectant, anticorrisive agent, printing, printing ink, paper etc., even also contain a large amount of formaldehyde in some clothing.
Above-mentioned the analysis showed that: formaldehyde has characteristics such as multipath, disguise, characteristic of concentration in indoor pollution.It distributes approach and has comprised building materials, ornament materials and articles for daily use etc., simultaneously since the slow release characteristics of formaldehyde often be difficult for being discovered by the people, and itself can very fast decomposition, this just makes that the extent of injury of formaldehyde is even more serious than other polluters.So it is extremely important to invent a kind of medicament that can efficiently thoroughly remove formaldehyde!
2, prior art:
Formaldehyde eliminating agent (formaldehyde catching agent) can be divided into 4 classes substantially at present:
The first kind is sealer, is 01138098.5 blocking absorbent of formaldehyde of inventing and preparation method thereof and using method as application number, mainly is made up of chitosan, acetic acid and water, forms the clear films closed methanal.
Second class is the oxidant of energy oxidation of formaldehyde, is that 200510090754.1 formaldehyde scavengers of inventing are mixed solutions of forming with sodium acid carbonate, hydrogen peroxide and water as application number, plays the effect that formaldehyde pollutes of eliminating by oxidation free formaldehyde molecule;
The 3rd class is the derivative of ammonia, is that 02100765.9 derivative of inventing that utilizes ammonia is raw material as application number, reacts under neutrallty condition with urea and makes formaldehyde catching removing formaldehyde.
The 4th class is amino acids, is a kind of amino acid type formol release agent of 200610017363.1 inventions and preparation method thereof as application number, generates methylol amino acid by amino acid and formolite reaction and removes formaldehyde.
On principle, sealer has been blocked the source that formaldehyde discharges, should be able to thoroughly eliminate the formaldehyde pollution approach, it is a kind of relatively good way, but, in actual use, because furniture is worn in daily life inevitably, the sealer of smearing originally after after a while will lose original effect.And use methods such as formaldehyde eliminating agent, agent for capturing to exist the problem of eliminating effect, though can reduce pollution to a certain extent, but because all multifactor influences such as the contaminated degree of pollution of indoor environment, temperature, circulation of air degree, eliminate reaction and often be difficult to carry out thoroughly, the effect of the elimination formaldehyde that therefore also is difficult to reach desirable.What also should remind the consumer alert especially here is that some formaldehyde eliminating agent itself is with low quality, not only eliminates DeGrain, even does not have the effect of eliminating formaldehyde, also might cause the secondary pollution of room air on the contrary.
Summary of the invention:
This product is raw material with the vegetable protein, adopts biological, chemically composited technology, adds composite chemical auxiliary agent and bioactive enzyme, makes a kind of transparent, colourless, tasteless, nontoxic vegetable protein formaldehyde scavenger through special process.During use, adopt potent barrier formulations, make its through material deep layer, utilize infiltration neutralization reaction principle, react with formaldehyde in the material, thoroughly eradicate formaldehyde, the reaction back generates a kind of colourless nontoxic, Undec material, can not cause secondary pollution.Spary just can take effect after 20 minutes, 24 back hour better effects if, and the elimination factor of PARA FORMALDEHYDE PRILLS(91,95) is up to more than 90%.
Therefore, use this vegetable protein formaldehyde scavenger, can effectively dispel the new home because of pernicious gas and stinks such as the formaldehyde that decorate to produce, benzene, ammonia, and can distribute fragrant smell, solved the room air pollution problem well.Also can be used for simultaneously removing the formaldehyde of wood-based plate, furniture, floor, adhesive, coating the inside.
Characteristics such as vegetable protein formaldehyde scavenger product has that accommodation is extensive, treatment cost is low, easy to use and non-secondary pollution.At present, in sector applications such as treating indoor air pollution, wood-based plate, furniture, floors.Believe, in the near future, also will do one's bit for administering indoor environmental pollution.
Disclosure of the Invention:
Utilize vegetable protein to be primary raw material, add aldehydes removal auxiliary agent citric acid, add surfactant such as neopelex, lauryl sodium sulfate, triethanolamine etc., anticorrisive agent such as benzoic acid, Sodium Benzoate, natrium nitrosum etc.
The manufacturing enterprise that in those early years much produces wood-based plate finds, in Lauxite, add 10%~30% bean powder, the artificial board formaldehyde burst size of producing can reduce more than 30% even be higher, utilize this phenomenon, we utilize the compound bio enzyme process, scientific and reasonable interpolation composite chemical auxiliary agent, stabilizing agent are developed a kind of novel plant albumen formaldehyde scavenger.
The specific embodiment:
In having enamel or stainless reactor, add pure water, and open the steam intensification, middling speed stirs in the time of 30 ℃, adds a certain amount of vegetable protein, be warming up to 55 ℃, insulation is to dissolving fully, and solution is water white transparency, adds an amount of citric acid and continues 55 ℃ of insulations 20 minutes, be cooled to below 45 ℃ and add catechin, be stirred to dissolving fully, add surfactant and active enzyme preparation etc. at last, stirring and dissolving, filtration, discharging.
Specific embodiment: (prescription quality branch)
Oxidizing process hydrolytic soya bean protein 25-35
Citric acid 2-3
Catechin 1-3
Biology enzyme 0.5-1
Sodium Benzoate 0.1-0.2
Triethanolamine 0.1-0.3
Pure water is 100 amount in addition
The vegetable protein formaldehyde scavenger is removed pernicious gas experiment (national environmental protection product quality supervision and inspection center)
1. be 23.0 in experimental temperature ± ℃, humidity is the 1.5m of 50.0 ± 5%RH
3In the simulated air laboratory, will analyze pure formalin 2.0ml and be placed in the surface plate, volatilize 24 hours, sampling is designated as initial concentration.
2. respectively at three 1m
2Basic paper on, evenly spray about the biological clear about 300g of aldehydase, be suspended on experiment storehouse middle position after drying, tested air sample in the storehouse through 24 hours gathering, be designated as 24 hour concentrations.
3. the sample of gathering is detected the concentration of sample formaldehyde in the air according to GB/18883-2002 " IAQ standard ", GB/T18204.26-2000 " air formaldehyde method of testing in the public place ".Detected concentration is per sample calculated the biological removal efficient of aldehydase clearly.
Test specification: require according to GB/18883-2002 " IAQ standard ": the limits of harmful substances value of its test item is: concentration of formaldehyde≤0.10mg/m
3, the initial concentration of experimental design is about 10 times that standard-required is limited the quantity of.
Remove formulae of efficiency.
Test item | Initial concentration mg/m 3 | 24 hour concentrations, mg/m 3 | 24 hours except efficient, % |
Concentration of formaldehyde | 0.938 | 0.0401 | 95.72% |
Through above method test, the vegetable protein formaldehyde scavenger that utilizes the present invention to produce can reach 95.72% to formaldehyde removing efficient in the air.
Claims (1)
1. in having enamel or stainless reactor, add pure water, and open the steam intensification, middling speed stirs in the time of 30 ℃, adds a certain amount of vegetable protein, be warming up to 55 ℃, insulation is to dissolving fully, and solution is water white transparency, adds an amount of citric acid and continues 55 ℃ of insulations 20 minutes, be cooled to below 45 ℃ and add catechin, be stirred to dissolving fully, add surfactant and active enzyme preparation etc. at last, stirring and dissolving, filtration, discharging.
Specific embodiment: (prescription quality branch)
Oxidizing process hydrolytic soya bean protein 25-35
Citric acid 2-3
Catechin 1-3
Biology enzyme 0.5-1
Sodium Benzoate 0.1-0.2
Triethanolamine 0.1-0.3
Pure water is 100 amount in addition.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103655312A (en) * | 2013-11-29 | 2014-03-26 | 天津市天沁生物科技有限公司 | Formula of general biological and vegetable liquid detergent for all types of household washing |
CN104623855A (en) * | 2015-02-06 | 2015-05-20 | 山东恒诺环保科技有限公司 | Plant type formaldehyde removing agent and preparation method |
CN105561518A (en) * | 2014-11-09 | 2016-05-11 | 张志红 | Brand-new chelating type formaldehyde remover and preparation method thereof |
CN105709588A (en) * | 2016-03-03 | 2016-06-29 | 上海适欧环保科技有限公司 | Air freshener and preparation method and application thereof |
CN106267678A (en) * | 2016-09-23 | 2017-01-04 | 广州迪佰瑞环保科技有限公司 | A kind of apparatus and method removing indoor formaldehyde air pollution |
CN107158927A (en) * | 2016-06-15 | 2017-09-15 | 张园 | A kind of zein formaldehyde scavenger and preparation method thereof |
CN108126669A (en) * | 2017-12-25 | 2018-06-08 | 佛山市中环环境检测中心 | A kind of disinfection type air purification material and preparation method thereof |
CN108159624A (en) * | 2017-12-22 | 2018-06-15 | 石英楠 | A kind of rice bran vegetable protein formaldehyde remover and preparation method thereof |
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CN101195037A (en) * | 2007-12-10 | 2008-06-11 | 诸城市良丰化学有限公司 | Biological aldehydrase preparation prescription and its preparation technique |
CN101352649A (en) * | 2008-06-20 | 2009-01-28 | 诸城市良丰化学有限公司 | Technique for producing formaldehyde scavenger resin |
CN101549198A (en) * | 2009-05-22 | 2009-10-07 | 朱君山 | Formaldehyde scavenger and its application in producing timber flooring |
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2013
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Patent Citations (3)
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CN101195037A (en) * | 2007-12-10 | 2008-06-11 | 诸城市良丰化学有限公司 | Biological aldehydrase preparation prescription and its preparation technique |
CN101352649A (en) * | 2008-06-20 | 2009-01-28 | 诸城市良丰化学有限公司 | Technique for producing formaldehyde scavenger resin |
CN101549198A (en) * | 2009-05-22 | 2009-10-07 | 朱君山 | Formaldehyde scavenger and its application in producing timber flooring |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103655312A (en) * | 2013-11-29 | 2014-03-26 | 天津市天沁生物科技有限公司 | Formula of general biological and vegetable liquid detergent for all types of household washing |
CN105561518A (en) * | 2014-11-09 | 2016-05-11 | 张志红 | Brand-new chelating type formaldehyde remover and preparation method thereof |
CN105561518B (en) * | 2014-11-09 | 2018-10-09 | 张志红 | A kind of chelating type formaldehyde scavenger and preparation method thereof |
CN104623855A (en) * | 2015-02-06 | 2015-05-20 | 山东恒诺环保科技有限公司 | Plant type formaldehyde removing agent and preparation method |
CN105709588A (en) * | 2016-03-03 | 2016-06-29 | 上海适欧环保科技有限公司 | Air freshener and preparation method and application thereof |
CN105709588B (en) * | 2016-03-03 | 2019-03-12 | 上海适欧环保科技有限公司 | A kind of air freshener and its preparation method and application |
CN107158927A (en) * | 2016-06-15 | 2017-09-15 | 张园 | A kind of zein formaldehyde scavenger and preparation method thereof |
CN106267678A (en) * | 2016-09-23 | 2017-01-04 | 广州迪佰瑞环保科技有限公司 | A kind of apparatus and method removing indoor formaldehyde air pollution |
CN108159624A (en) * | 2017-12-22 | 2018-06-15 | 石英楠 | A kind of rice bran vegetable protein formaldehyde remover and preparation method thereof |
CN108159624B (en) * | 2017-12-22 | 2021-01-29 | 广州宝力环保科技有限公司 | Rice bran plant protein formaldehyde remover and preparation method thereof |
CN108126669A (en) * | 2017-12-25 | 2018-06-08 | 佛山市中环环境检测中心 | A kind of disinfection type air purification material and preparation method thereof |
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Application publication date: 20130904 |