CN1234442C - Natural plant extract for eliminating indoor environment pollution and cleaning air and preparing process thereof - Google Patents
Natural plant extract for eliminating indoor environment pollution and cleaning air and preparing process thereof Download PDFInfo
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Abstract
The present invention discloses natural plant extractive for eliminating the pollution of methyl aldehyde, benzene series and ammonia released by the decorative materials of buildings to indoor environments and a preparation method thereof. The extractive is prepared from the original medicines taking gram as unit in 500mL of 16 to 23 grams of isatis root, 4 to 5.8 grams of heartleaf houttuynia herb, 2.5 to 3.5 grams of wild buckwheat rhizome, 5 to 7 grams of cassia seed, 4 to 5.8 grams of honeysuckle, 6.6 to 9.3 grams of orange fruit, 4 to 5.8 grams of panax notoginseng and 1.6 to 2.3 grams of sorghum ginger. The present invention has the preparation method that the original medicines in the formula measured by kilogram are cleaned, cut up and mixed and are put in an extraction tank, 400L of water is added, and filter liquor and aromatic water are extracted; 320L of water is added to the filter residue for secondary extraction; the filter liquor for the first time and the filter liquor for the second time are mixed for alcohol deposition, and refined liquor A is obtained; the aromatic water for the first time and the aromatic water for the second time are mixed, and propanediol, sodium bisulfite, tween 80 and sodium chloride are added to obtain refined liquor B; the refined liquor A and the refined liquor B are mixed and are boiled with the addition of active carbon, the refined liquor A and the refined liquor B are filtered and concentrated to be in 500mL, and the extractive of the present invention is obtained. The present invention has the prominent advantages of strong capacity for eliminating the pollution of the methyl aldehyde, the ammonia and the benzene series, no energy consumption, no toxicity, no pollution, low cost, convenient use, etc.
Description
Technical field
The present invention relates to a kind of environment-friendly products and preparation method thereof, definitely say so and relate to a kind of natural botanical extraction liquid that can effectively eliminate the indoor environmental pollution that is caused because of indoor decorating, plate fitment, central air conditioner system, daily necessities etc., particularly can effectively eliminate the poisonous chemical volatility organic compound of high concentration that building and ornament materials discharge, mainly be that formaldehyde, ammonia, benzene series thing etc. are to the pollution of indoor environment, a kind of natural plant extracts of raising indoor air quality and preparation method thereof.
Background technology
Along with the raising of Chinese economic development and resident living level, decorations had become one of China's industry with fastest developing speed already.And the indoor environmental pollution that is caused because of building and ornament materials, plate fitment, central air conditioner system, daily necessities etc. becomes increasingly conspicuous to the influence of health of people.Studies show that: VOC such as the formaldehyde in the room air, ammonia, benzene series thing pollute, and come from all kinds of building and ornament materials, mainly are commerical ready-mixed concrete (containing anti-icing fluid), all kinds of sheet material, paint, emulsion paint, adhesive etc.These building and ornament materials in various degree contain organic compounds such as organic solvent, ammonia, formaldehyde, chlorinated hydrocabon.From investigation result and the field observation to the sample basic condition that exceeds standard, all samples that exceed standard are new clothes and repair the family, and the finishing time is basically in 1 year.All samples that exceed standard of field observation all have and use artificial board as situations such as interior decoration cladding material and plate fitments to some extent.The primary pollution source material comprises VOCs such as formaldehyde.Formaldehyde is a kind of colourless, gas that penetrating odor is arranged, and is soluble in water, is the very strong aldehyde compound of reactivity, and its aqueous solution is impregnating fluid " formalin " commonly used.Formaldehyde is the primary raw material as the artificial board adhesive Lauxite, owing to have advantages such as cheapness, raw material are easy to get, production technology is simple, easy to use, is widely used in wood-based panel industry and furniture industry etc.In the production use, all there is free formaldehyde to overflow; Another main source is mounted in the Lauxite foam insulation in the body of wall hole.In addition, also discharge formaldehyde during fuel combustion, it also is a kind of compound in smoker's flue gas and the vehicle exhaust.Formaldehyde is serious to the harm of human body, is defined as carcinogenic and teratogenesis shape material by the World Health Organization.The lot of documents record, formaldehyde mainly shows aspects such as protein sclerosis, allotriosmia, stimulation, allergy, abnormal pulmonary function, dysfunction of liver, immunologic dysfunction to health effects.Its activity reaches the 0.06-0.07 milligram hour in every cubic metres of air, children will pant.Other VOC (VOC) is meant that boiling point is at a series of compounds of 50 ℃-250 ℃, mostly be the colourless liquid that peat-reek is arranged, they at room temperature can produce steam, and its source comprises ornament materials, furniture, carpet binding agent, building coating, cosmetics, cleaning agent and commodity.In addition, also,, found the peak value of VOC emission rate, selected the solvent based coating decorative house for use and occurring during with binding agent to so far from the burning of the flue gas and the fuel of dried mould, smoking.
Under typical indoor environment, the emission of VOC can cause allergic reaction to human body, exposes under the short-term environment of more heavy dose of gas, can produce of short duration disease; If expose prolonged and repeatedly, then can cause eyes and PUD D, even may have influence on nervous system.Suck some VOC such as benzene series thing, can produce anesthetic effect central nervous system, the lighter's dizziness, headache, nauseating, uncomfortable in chest, weak, clouding of consciousness, severe patient can cause stupor death so that breathing, circulatory failure occur.The certain density benzene series thing of long-term contact can cause slow poisoning, neurasthenia disease groups such as headache, insomnia, One's spirits are drooping, failure of memory occur.The benzene series thing is defined as strong carcinogen by the World Health Organization, and reproductive system is had certain influence, and can cause the fetal congenital defective.The harm of indoor environmental pollution shows: 1. stimulate eyes and respiratory mucosa, cause and shed tears, sneeze etc.; 2. cause the acute and chronic respiratory disease, as respiratory tract infection, pneumonia etc.; Dizziness, insomnia, failure of memory etc. appear in the system that 3. affects the nerves; 4. reduce immunity, easily suffer from bacterium, disease of viral infection, as flu; 5. cause allergic disease, mainly show as allergic; 6. liver injury; 7. influence hematopoiesis function, cause aplastic anemia; 8. influence reproductive function, cause miscarriage and fetal anomaly; 9. bring out cancer.In sum, indoor environmental pollution has become the third pollution after bituminous coal pollution, photochemical pollution, up at present, in solving the method for indoor environmental pollution, the still unmatchful indoor environmental pollution that is caused because of decorations and plate fitment has the product of good disposal ability.
Summary of the invention
The objective of the invention is to: provide a kind of and can control effectively and eliminate, effectively improve and the natural plant extracts that improves the indoor air quality because of the pollution of formaldehyde that indoor decorating, plate fitment etc. causes, ammonia, benzene series thing to indoor environment.
Another object of the present invention: the preparation method who provides this natural plant extracts.
Solution of the present invention, be on based on the understanding and principle of reatment basis of traditional Chinese medicine to sick Building syndrome mechanism, achievement in research in conjunction with modern pharmacology, from motherland's medicine treasure-house, filter out natural vegetable Chinese herbal medicine, by the theory of traditional Chinese medical science prescription, extract effective active components, make spray and aerosol, in order to efficient decomposition since the formaldehyde that decorations, plate fitment etc. cause, ammonia, benzene series thing to the pollution of indoor environment, improve the resistance against diseases of human body, improve the poisoning symptom of body.
The natural plant extracts of decontamination chamber environment pollution and cleaning air of the present invention is characterized in that: it is that following component dosage bulk drug is condensed into the extract that 500 milliliters of extracts contain through decocting distillation:
Isatis root 1623 grams, cordate houttuynia 4-5.8 gram, cymose buckwheat rhizome 2.5-3.5 gram,
Cassia seed 5-7 gram, honeysuckle 4-5.8 gram, Fructus Aurantii 6.6-9.3 gram,
Pseudo-ginseng 4-5.8 gram, galangal 1.6-2.3 gram.
The best natural plant extracts of decontamination chamber environment pollution and cleaning air of the present invention, it is that following component dosage bulk drug is condensed into the extract that contains in 500 milliliters of extracts through decocting distillation:
Isatis root 20 grams, cordate houttuynia 5 grams, cymose buckwheat rhizome 3 grams, cassia seed 6 grams,
Honeysuckle 5 grams, Fructus Aurantii 8 grams, pseudo-ginseng 5 grams, galangal 2 grams.
The preparation method of the natural plant extracts of decontamination chamber environment pollution and cleaning air is: 1. with each bulk drug of isatis root, cordate houttuynia, cymose buckwheat rhizome, cassia seed, honeysuckle, Fructus Aurantii, pseudo-ginseng and galangal, respectively get 1000 times by dosage, clean chopping, mix; 2. then the raw materials mixed medicine is packed in the multi-function extractor, add water 400L, heating was extracted 1.5 hours, obtained distilling aqua aromatica by extracting tank deck, while hot decoction liquor was filtered to get filtrate; 3. the medicine filter residue is put into multi-function extractor, add water 320L and carry out the heating extraction second time 1 hour, get filtrate and distillation aqua aromatica; 4. twice filtrate is mixed, add 60% ethanol 3L and carry out alcohol precipitation, the distillation filtrate recycling ethanol gets meticulous soup A; 5. twice aqua aromatica mixed again, add propane diols 3.5L, sodium hydrogensulfite 400 grams, sodium chloride 3000 gram and 3L Tween-80s, mix and stir, filter after leaving standstill half an hour, redistillation gets meticulous medical liquid B; 6. then, two kinds of meticulous soups of A and B are mixed, add 0.5% active carbon and boiled 5 minutes, after the filtration filtrate is condensed into 500L, promptly obtain being used to eliminating formaldehyde, ammonia, benzene series thing natural plant extracts indoor environmental pollution.During use above-mentioned 500L natural botanical extraction liquid, 0.5L anticorrisive agent, 1L surfactant, 2L bleeding agent and 496.5L deionized water are mixed, promptly make water type spray after the packing, can directly on the sheet material that formaldehyde exceeds standard, use.
Natural plant extracts of the present invention is eliminated the formaldehyde effect, is the comprehensive effect of various efficacy components.Active ingredient in this natural plant extracts, toxic and volatile substances such as PARA FORMALDEHYDE PRILLS(91,95), benzene series thing have good decomposition.Main active ingredient in the prescription can pass through three kinds of modes and formolite reaction:
(1) contain the active ingredient of alcoholic extract hydroxyl group or phenolic hydroxyl group, because the influence of electronic effect, the H among hydroxyl-OH is more active, is the active electrophilic reagent of a class, easily and formaldehyde generation electrophilic reaction.
Galangin in the galangal:
The mechanism of they and formaldehyde generation electrophilic addition can be expressed as follows:
The cassia seed that filters out includes more cassia seed lactone:
Have tangible function of improving eyesight, can with formaldehyde generation electrophilic addition reaction.
(2) contain amino-NH in the extract
2Or the active group of imino group-NH, can with formaldehyde generation nucleophilic addition, and rapidly formaldehyde is become innocuous substance.
Indoles in the isatis root-pyrrole structure:
N-methyltyramine in the Fructus Aurantii:
In the isoreactivity composition, all contain easily and formolite reaction-the N-structure.They and formolite reaction can be expressed as follows:
Under soup alkalescence condition, OH
-Attack-the NH of elder generation
2:
Isatis root is eliminated formaldehyde and may be played a significantly greater role in this product.
(3) aldehyde material that contains a-H in the extract that filters out, their easy and formaldehyde generation aldol reactions.
Contain decanoyl acetaldehyde, lauryl aldehyde, capraldehyde etc. in the cordate houttuynia and all contain a-H.With the decanoyl acetaldehyde is example, can be expressed as follows with formolite reaction:
Contain special additive in the soup, can rapid osmotic to wooden inside, be reacted into innocuous substance rapidly with the free formaldehyde of wooden inside.Contain many active ingredients in the soup, can form the stable molecular film of one deck in the wood surface behind the spray medicine with emulsification.This floor height molecular film plays two effects greatly:
(1) adsorbs the formaldehyde that wooden deep layer is overflowed for a long time, and be reacted into innocuous substance with it, make unlikely the spilling in the air of free formaldehyde that not to be eliminated in the timber behind the spray medicine, reach the order of permanent elimination formaldehyde.
(2) have the active ingredient of emulsification, have two-way adsorption capacity.Hydrophilic radical is gone into wooden inside and is firmly adsorbed lignocellulosic; The lipophilic group paint molecule that firmly bonds makes paint close attachment wood surface, and increases paint fineness.
Natural extract not only is transformed into innocuous substance at human external with formaldehyde, but also can regulate human body metabolism, increases organized enzyme content in the liver, and formaldehyde, benzene series thing are oxidized to innocuous substance.
Chlorogenic acid in the honeysuckle that filters out:
Not only can with formaldehyde generation addition reaction, also be a kind of antibiotic of fine length.
Natural plant extracts of the present invention is a colourless transparent liquid, stable in properties, fragrance slightly, pH value 6-7, density 1.06-1.07g/cm
3But long preservation.
The invention has the advantages that: not only strong with the product of the present invention that natural vegetable Chinese herbal medicine extracts to the harmful chemical disposal ability, and by its clearing heat and detoxicating, respectful lung reduce phlegm, the effect of eliminating evil relieve sore throat, can also improve the general level of the health of human body; Have simultaneously energy consumption easy to use, pollution-free, no, noiselessness, avirulence, easily degraded, cheap, outstanding advantage such as be easy to popularize.
Description of drawings
Fig. 1 is preparation technology's flow chart of natural plant extracts of the present invention
Fig. 2 is water type spray technological process of production figure of the present invention
The specific embodiment
The natural plant extracts of decontamination chamber environment pollution and cleaning air, it is that following component dosage bulk drug is condensed into the extract that contains in 500 milliliters of extracts through decocting distillation:
Isatis root 20 grams, cordate houttuynia 5 grams, cymose buckwheat rhizome 3 grams, cassia seed 6 grams,
Honeysuckle 5 grams, Fructus Aurantii 8 grams, pseudo-ginseng 5 grams, galangal 2 grams.
Preparation method of extract is:
1. with each bulk drug of isatis root, cordate houttuynia, cymose buckwheat rhizome, cassia seed, honeysuckle, Fructus Aurantii, pseudo-ginseng and galangal, respectively get 1000 times, clean chopping, mix by dosage; 2. then the raw materials mixed medicine is packed in the multi-function extractor, add water 400L heating and extracted 1.5 hours, obtain distilling aqua aromatica, while hot decoction liquor is filtered to get filtrate by extracting tank deck; 3. the medicine filter residue is put into multi-function extractor, add water 320L and heat extraction 1 hour for the second time, get filtrate and distillation aqua aromatica; 4. twice filtrate mixing added 60% ethanol 3L and carry out alcohol precipitation, the distillation filtrate recycling ethanol gets meticulous soup A; 5. twice aqua aromatica mixed again, add propane diols 3.5L, sodium hydrogensulfite 400 grams, sodium chloride 3000 gram and 3L Tween-80s, mix and stir, filter after leaving standstill half an hour, redistillation gets meticulous medical liquid B; 6. then, two kinds of meticulous soups of A and B are mixed, add 0.5% active carbon and boiled 5 minutes, after the filtration filtrate is condensed into 500L, promptly obtain being used to eliminating formaldehyde, ammonia, benzene series thing natural plant extracts indoor environmental pollution.
During use above-mentioned 500L natural botanical extraction liquid, 0.5L anticorrisive agent, 1L surfactant, 2L bleeding agent and 496.5L deionized water are mixed, promptly make water type spray after the packing, can directly on the sheet material that formaldehyde exceeds standard, use.
Experimental verification about effect of the present invention:
(1) degradation experiment of PARA FORMALDEHYDE PRILLS(91,95)
1, sampling
1.1 determining of sampled point
The quantity of sampled point is decided according to sensing chamber's inner area size and field condition, in principle less than 50m
2The room should establish 1-3 point, 50-100m
2If 3-5 point, 100m
2Below establish 5 points at least, be diagonal or quincunx evenly distributes.Sampled point should be avoided ventilating opening, and greater than 0.5cm, height should be suitable with people's breathing zone height, between the relative altitude 0.8-1.5m from the wall distance.
1.2 the method for sampling
Choose two sampled points, each puts continuous gas production 3 times, each 100ml, and the gas of each point absorbs with the steam bubble pipe of dress 5ml water.Two mixed liquors of selecting absorption liquid are used for measuring.
2. the foundation of indoor formaldehyde contamination model
In each closed room, spray into a certain amount of 37% formalin, allow formaldehyde fully volatilize through 60min and fill the air the room, every 10min gas production (choosing 2 sampled points), merge absorption liquid, measure content of formaldehyde with the Acetolon method, result such as following table:
| Room number | Room volume (m 3) | Spray into formaldehyde amount g | Formaldehyde | Concentration | The survey formula | (mg/m 3) |
| 60 | 70 | 80 | 90 | |||
| 1 | 24 | 0.302 | 4.01 | 4.56 | 4.56 | 4.55 |
| 2 | 24 | 0.623 | 8.50 | 9.51 | 9.50 | 9.50 |
| 3 | 21 | 0.489 | 8.38 | 8.39 | 8.44 | 8.43 |
3, solution is to the investigation of indoor formaldehyde degradation
In above-mentioned room, spray into water type spray soup of the present invention (amount of liquid medicine is calculated by airtight cell experimental result) respectively, sample as stated above and to measure content of formaldehyde as follows:
| Room number | Spraying liquid (ml) | Content of formaldehyde (mg/m 3) | ||
| 20 | 30 | 40 | ||
| 1 | 70 | 1.89 | 0 | 0 |
| 145 | 3.67 | 0 | 0 | |
| 3 | 112 | 3.19 | 0 | 0 |
4, interpretation of result
Spray soup of the present invention has the effect of formaldehyde in the tangible elimination room, and the order produce effects is rapid.
(2) the present invention eliminates the effect experiment of benzene
1, principle:
Benzene and water are immiscible, when adding benzene in the entry, and benzene meeting and water stratification.
Benzene is added in the spray soup,, prove that then soup has the elimination effect to benzene if free benzene layer reduces or disappears.
2, equipment:
10ml band plug colorimetric cylinder
3, reagent:
Spray soup, benzene, methyl red
4, experimentation:
4.1 add a small amount of methyl red in benzene, then benzene liquid is dyed redness and is convenient to observe.
4.2 get 6 colorimetric cylinders, add the 4ml soup respectively, the according to the form below amount of showing adds dyeing benzene liquid respectively, and jolting was left standstill 20 minutes, observed the situation that the benzene liquation goes out.
| Numbering | Add benzene amount (dripping) | Benzene and soup layering situation |
| 1 | 1 | Not layering |
| 2 | 2 | Not layering |
| 3 | 3 | Layering, the benzene layer is not obvious |
| 4 | 4 | Layering, the benzene layer is obvious |
| 5 | 5 | Layering, two-layer between boundary obviously |
5, interpretation of result
Soup has the elimination effect to benzene and benzene series thing.
(3) provide the acute toxicity testing of soup of the present invention
1, purpose:
The observation mouse was irritated stomach and gives spray heavy dose of acute toxicity that may occur in one day, provide reference for using this product security.
2, experiment material:
2.1 be subjected to the reagent thing
Eliminate the spray concentrate of the present invention of pernicious gas in the air; The medicine of the present invention that is tried is provided by sky, Chengdu symphysis thing engineering Co., Ltd, test lot number: 011203, being condensed into water-bath can just be by irritating the stomach syringe needle, and Cmax 833.33% soup (the suitable crude drug in whole 833g of every ml) that availability test uses is standby.
2.2 animal
Kunming mouse, male and female half and half, body weight 18-22g is provided by Chengdu University of Traditional Chinese Medicine Animal Experimental Study center, the quality certification number: No. (99) the 6th, the real moving pipe in river.The quarantine back is standby.
3, experimental technique:
Through prerun, eliminate air pernicious gas spray filling of the present invention stomach and can not measure LD
50, promptly measure its maximal tolerance dose.
Get 20 of Kunming mouses, male and female half and half, fasting 12hr can't help water, and the Cmax (every ml contains crude drug in whole 8.33g) that can accept with animal and the dosage of maximum volume 0.3ml/10g.B.W are irritated stomach (annotating: 04ml/10g.B.W, individual animal death).Observed 7 days continuously, the record animal has non-toxic reaction and experiment front and back changes of weight, is maximum dosage-feeding (MTD) not produce dead dosage.
4, experimental result:
After kunming mice is irritated stomach 833.33% elimination air pernicious gas spray soup of the present invention 249.99g/kg, grow healthy, fleshiness, dense and glossy its body of being close to of fur, bright and flexible, the N/R secretion of eyes, tripe week, clean Photo food was normal, the four limbs stalwartness, spontaneous activity is normal, and body weight increases gradually.Animal dead and toxicity were not arranged in 7 days.Naked eyes become celestial and do not see obvious pathological change during experiment.Changes of weight sees following table for details:
This table has provided elimination air pernicious gas spray MTD changes of weight of the present invention (X ± SD)
| Number of animals (only) | Dosage (g crude drug in whole/kg body weight) | Before the experiment (g) | Experiment back (g) |
| 20 | 249.99 | 19.61±0.98 | 24.99±1.11 |
5, experiment conclusion
Kunming mouse is irritated stomach 833.33% and is eliminated air pernicious gas spray soup of the present invention 40ml/kg (being equivalent to 249.99 crude drug in whole/kg body weight), dead and unusual toxic reaction does not appear in animal, compare 3000 times of the consumption that is equivalent to spray with each spraying consumption 0.6ml.Results suggest is eliminated air pernicious gas spray 833.33% concentrate 0.6ml of the present invention, does not have obvious acute poisoning reaction.
Claims (3)
1, a kind of natural plant extracts of decontamination chamber environment pollution and cleaning air is characterized in that: it is that following component dosage bulk drug distills the extract that contains in 500 milliliters of extracts that are condensed into through decocting:
Isatis root 16-23 gram, cordate houttuynia 4-5.8 gram, cymose buckwheat rhizome 2.5-3.5 gram,
Cassia seed 5-7 gram, honeysuckle 4-5.8 gram, Fructus Aurantii 6.6-9.3 gram,
Pseudo-ginseng 4-5.8 gram, galangal 1.6-2.3 gram.
2, according to the preparation method of the natural plant extracts of the described decontamination chamber environment pollution and cleaning air of claim 1, it is characterized in that: with each bulk drug of isatis root, cordate houttuynia, cymose buckwheat rhizome, cassia seed, honeysuckle, Fructus Aurantii, pseudo-ginseng and galangal, respectively get 1000 times by dosage, clean chopping, mix; Then the raw materials mixed medicine is packed in the multi-function extractor, add water 400L, heating was extracted 1.5 hours, obtained distilling aqua aromatica by extracting tank deck, while hot decoction liquor was filtered to get filtrate; The medicine filter residue is put into extractor, add water 320L and carry out the heating extraction second time 1 hour, get filtrate and distillation aqua aromatica; Twice filtrate is mixed, add 60% ethanol 3L and carry out alcohol precipitation, the distillation filtrate recycling ethanol gets meticulous soup A; Twice aqua aromatica mixed again, add propane diols 3.5L, sodium hydrogensulfite 400 grams, sodium chloride 3000 gram and 3L Tween-80s, mix and stir, filter after leaving standstill half an hour, redistillation gets meticulous medical liquid B; Then two kinds of meticulous soups of A and B are mixed, add 0.5% active carbon and boiled 5 minutes, after the filtration filtrate is condensed into 500L, promptly obtain being used to eliminating formaldehyde, ammonia, benzene series thing natural plant extracts indoor environmental pollution.
3, according to the described natural plant extracts of claim 1, it is characterized in that: it is that following component dosage bulk drug distills the extract that contains in 500 milliliters of extracts that are condensed into through decocting:
Isatis root 20 grams, cordate houttuynia 5 grams, cymose buckwheat rhizome 3 grams, cassia seed 6 grams,
Honeysuckle 5 grams, Fructus Aurantii 8 grams, pseudo-ginseng 5 grams, galangal 2 grams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 02113613 CN1234442C (en) | 2002-04-16 | 2002-04-16 | Natural plant extract for eliminating indoor environment pollution and cleaning air and preparing process thereof |
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| CN 02113613 CN1234442C (en) | 2002-04-16 | 2002-04-16 | Natural plant extract for eliminating indoor environment pollution and cleaning air and preparing process thereof |
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| CN1451464A CN1451464A (en) | 2003-10-29 |
| CN1234442C true CN1234442C (en) | 2006-01-04 |
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| CN100347391C (en) * | 2005-06-09 | 2007-11-07 | 廖振兴 | Indoor decoration health material |
| CN102247751B (en) * | 2010-12-21 | 2013-04-03 | 刘青 | Spraying agent for reducing harmful substances in finishing and preparation method thereof |
| CN104177904A (en) * | 2014-08-20 | 2014-12-03 | 中山艺展装饰工程有限公司 | Aldehyde/benzene-removal ecological putty and manufacturing method thereof |
| CN104383655A (en) * | 2014-10-29 | 2015-03-04 | 胡正义 | Spraying agent for removing formaldehyde and method for preparing same |
| CN104623855B (en) * | 2015-02-06 | 2018-02-06 | 山东恒诺环保科技有限公司 | A kind of plant type formaldehyde scavenger and preparation method |
| CN105983325A (en) * | 2015-02-28 | 2016-10-05 | 天津市璇叶科技有限公司 | Formaldehyde removal herbal preparation |
| ES2702649T3 (en) * | 2015-09-24 | 2019-03-04 | SWISS KRONO Tec AG | Procedure to reduce the emission of volatile organic compounds from wood derivatives and wood derivatives |
| CN105597479A (en) * | 2015-11-03 | 2016-05-25 | 连云港岚宝电子科技有限公司 | Interior decoration smell removing agent |
| CN106398365A (en) * | 2016-09-16 | 2017-02-15 | 肇庆市高新区创客科技有限公司 | Antibacterial mildew-resistant interior environment-friendly coating capable of removing methanal with high efficiency, and preparation method thereof |
| CN107138032A (en) * | 2017-05-26 | 2017-09-08 | 贵州全世通精密机械科技有限公司 | A kind of indoor highly effective purification medicament and its purification method |
| CN107866145A (en) * | 2017-10-30 | 2018-04-03 | 贵州德莱易生物科技有限公司 | One kind de-tastes spray except formaldehyde |
| CN107694333A (en) * | 2017-11-08 | 2018-02-16 | 深圳市天得环境科技有限公司 | Formaldehyde absorbent and its compound method available for electrolysis |
| 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 |
| CN108176206A (en) * | 2017-12-28 | 2018-06-19 | 黄森茂 | A kind of natural plant extracts for removing Formaldehyde Pollution of Indoor Air environment |
| CN108744928B (en) * | 2018-06-11 | 2021-06-04 | 杭州树派环保科技有限公司 | Plant type indoor deodorant and preparation method thereof |
| CN108704454B (en) * | 2018-06-28 | 2019-06-14 | 陈杰 | A kind of purifying processing device of organic exhaust gas absorbent and environment-friendly type organic exhaust gas |
| CN109833760A (en) * | 2019-02-27 | 2019-06-04 | 北京森家环保科技发展有限公司 | A kind of composition and its preparation method of indoor deodoring |
| CN111728049A (en) * | 2020-06-26 | 2020-10-02 | 湖南黑美人茶业股份有限公司 | Method for preparing fructus aurantii extract for preparing dark tea |
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2002
- 2002-04-16 CN CN 02113613 patent/CN1234442C/en not_active Expired - Fee Related
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