CN101314100A - Fibre pad for removing indoor air pollution and method of producing the same - Google Patents
Fibre pad for removing indoor air pollution and method of producing the same Download PDFInfo
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- CN101314100A CN101314100A CNA2008101161024A CN200810116102A CN101314100A CN 101314100 A CN101314100 A CN 101314100A CN A2008101161024 A CNA2008101161024 A CN A2008101161024A CN 200810116102 A CN200810116102 A CN 200810116102A CN 101314100 A CN101314100 A CN 101314100A
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Abstract
The invention provides a fiber mat for eliminating indoor air pollution and a manufacturing method thereof. The fiber mat is manufactured by using cloth, non-woven fabrics, or paper and other fibrous substances as a matrix, and drying the matrix after the matrix is subject to immersing, dipping, brushing and other processes by various formaldehyde scavenging agents, deodorants and photocatalyst liquor. The fiber mat maintains a porous structure of the fibrous substances, which adsorbs mass substances which can eliminate formaldehyde, foreign odor and other noxious and harmful gases. Therefore, the fiber mat has functions of purifying air, adsorbing and decomposing the harmful gases, eliminating the foreign odor and so on. The fiber mat prolongs the effect of eliminating the harmful gases by using the characteristics of the fibrous substances to store the mass substances which eliminate the harmful gases; the fiber mat can be easily processed and shaped, and can be manufactured into products with various shapes and applications; and experiments show that the formaldehyde eliminating rate of the fiber mat can reach 97 percent.
Description
Technical field
The present invention relates to its fibrous material and chemical substance is that key component is used for treating indoor air pollution field and indoor air purification field thereof, particularly a kind of fiber mat and manufacture method thereof of eliminating formaldehyde, benzene series thing, TOVC and the peculiar smell of various objects releases such as furniture, office furniture.
Background technology
At present, in house decoration, because harmful substance exceeds standard in the house ornamentation that various finishings cause with formaldehyde, benzene series thing, TOVC harmful substances such as (Total Votatile Organic Compound are abbreviated as TVOC) that material brought pollution and the room air.Seriously disturbed our daily life.Human body is long-time absorb this contain formaldehyde gas can give rise to diseases, serious also can crisis to people's life security.Therefore to carry out the improvement of room air pollution to room behind the finishing and the new furniture of buying, and eliminate the harmful gas pollution that new furniture brought.In the scope of national regulation, people are lived in the environment of a health with the content that guarantees indoor harmful gas.The method of noxious air is to utilize formaldehyde eliminating agent in the decontamination chamber that people adopt usually, comes decontamination chamber to contain the pernicious gas of formaldehyde material.As a application number is CN03143248.4, the applying date is on August 13rd, 2003, denomination of invention is the Chinese invention patent of " absorption absorption reaction type formaldehyde eliminating agent ", it is made up of absorption absorbent and reactant sodium sulfite, ammonium salt or sodium sulfite, hydroxylamine hydrochloride, described absorption absorbent can be active carbon, aluminium oxide, diatomite, polyamide, water etc., is divided into two kinds of forms of solid and liquid.The elimination mechanism of its PARA FORMALDEHYDE PRILLS(91,95) is: at first utilize the absorption absorbent that the absorption of the formaldehyde in the room air is absorbed, the formaldehyde that is adsorbed absorption rapidly and the reactant in the remover react, generate acid, alkali and other corresponding products, acid-base neutralization generates salt and water, finally makes formaldehyde be converted into novel substance nontoxic, tasteless, non-secondary pollution fully.This formaldehyde eliminating agent can directly place indoor or spray indoor, and it is obvious to have effect, economical and practical, harmless, characteristics such as non-secondary pollution.But because the release of formaldehyde is a process slowly in the indoor furniture, and spraying is the process of a short time, thereby need constantly spray and just can effectively eliminate.The aforesaid way troublesome poeration, effect is unsatisfactory.
Along with the development people have expected utilizing the adsorption function of active carbon to address this problem, but only rely on the suction-operated of active carbon, then can be ineffective when charcoal absorption reaches capacity.So people have expected the medicine component with some decomposing pollutant of charcoal absorption again, improve the absorption decomposing force of active carbon.As a application number is CN200510020280.3, and publication number is CN1680018, and the open date is on October 12nd, 2005, and denomination of invention is the Chinese invention patent of " methanal disintegrant and preparation method thereof ", and it is made up of active carbon and silver ammino solution; Wherein active carbon is made carrier, and silver ammino solution is coated on the carrier.Its preparation method comprises the steps: active carbon in 200 ℃-230 ℃ oven dry down, cooling; Place silver ammino solution to soak 8h-12h, filter air-dry; Oven dry forms under 80 ℃-100 ℃.Though this kind methanal disintegrant effect is better, solved the unendurable problem of aforementioned formaldehyde eliminating agent, indoor pollution has been had certain lasting effect, but because active carbon has adsorbed a large amount of medicine components, suction-operated reduces greatly, so can't reach satisfied adsorption effect.
Summary of the invention
The purpose of this invention is to provide air-polluting fiber mat and manufacture method thereof in a kind of decontamination chamber, described fiber mat is done matrix with fibrous matters such as cloth, nonwoven or paper, with various formaldehyde scavengers, eliminating smell agent and photocatalyst soup through PROCESS FOR TREATMENT such as immersion, dipping and brushings after, dry and process.Described fiber mat has kept the loose structure of fibrous matter, and the loose structure of these fibrous matters has adsorbed a large amount of removal formaldehyde, removal peculiar smell, removed the material of other toxic and harmfuls.Therefore, this fiber mat has purifying air, adsorbs resolving harmful gas, eliminates functions such as peculiar smell.
The object of the present invention is achieved like this:
Air-polluting fiber mat in a kind of decontamination chamber comprises the upper and lower surface cover layer, it is characterized in that, is provided with to have absorbed the corpus fibrosum that removes the material of formaldehyde, benzene series thing, TOVC and peculiar smell between described upper and lower surface cover layer.
Described corpus fibrosum is divided into two-layer, and one deck is for removing the formaldehyde layer, and one deck is for removing benzene series thing, TOVC and peculiar smell layer, described remove the formaldehyde layer and remove benzene series thing, TOVC and peculiar smell layer link together.
Described corpus fibrosum is a kind of in natural fabric, synthetic fabrics, natural fabric and the synthetic fabrics composition.
Described corpus fibrosum is a kind of in paper, nonwoven or the fibrefill; Described corpus fibrosum is a kind of in paper and nonwoven composition, nonwoven and fibrefill composition, paper and the fibrefill composition; Described corpus fibrosum is paper, nonwoven, fibrefill composition.
Described surface coating is a kind of in natural fabric, synthetic fabrics, mixed fiber fabric, the nonwoven; Described surface coating is a kind of in natural fabric and synthetic fabrics composition, natural fabric and mixed fiber fabric composition, natural fabric and the nonwoven composition; Described surface coating is natural fabric, synthetic fabrics, mixed fiber fabric composition, natural fabric, synthetic fabrics, nonwoven composition, natural fabric, mixed fiber fabric, nonwoven composition, a kind of in synthetic fabrics, mixed fiber fabric, the nonwoven composition; Described surface coating is natural fabric, synthetic fabrics, mixed fiber fabric, nonwoven composition.
The manufacture method of air-polluting fiber mat in a kind of decontamination chamber is characterized in that the step of manufacturing is:
A. make the described corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell;
B. select described surface coating;
C. use described surface coating bag by described corpus fibrosum, described surface coating bag and the described corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell of described manufacturing are carried out joining process, obtain described fiber mat finished product.
Making the step that described manufacturing removes the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell is:
A. preparation contains the solution except that formaldehyde, benzene series thing, TOVC and peculiar smell;
Described corpus fibrosum is fully absorbed contain solution except that formaldehyde, benzene series thing, TOVC and peculiar smell;
C. remove the liquid that is full of except that in the corpus fibrosum of the solution of formaldehyde, benzene series thing, TOVC and peculiar smell, obtain removing the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell.
Contain following component in the described solution that contains except that formaldehyde, benzene series thing, TOVC and peculiar smell, its weight ratio is:
Amine compound 1～15
Silver ammino solution 15～45
Amphoteric oxide 0.1～20
Titanium dioxide 0.8～1.5
Water 25～55;
Described titanium dioxide is nanoscale.
Making the step that described manufacturing removes the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell is:
I. mainly remove the manufacturing of the corpus fibrosum of formaldehyde:
A. preparation contains the main solution that removes formaldehyde;
B. get a corpus fibrosum, this corpus fibrosum is fully absorbed contain the main solution that removes formaldehyde;
C. remove the liquid in the corpus fibrosum that is full of the solution that mainly removes formaldehyde, form the main corpus fibrosum that removes formaldehyde;
II. mainly remove the manufacturing of the corpus fibrosum of benzene series thing, TOVC and peculiar smell:
A. preparation contains the main solution that removes benzene series thing, TOVC and peculiar smell;
B. get a corpus fibrosum in addition, this corpus fibrosum is fully absorbed contain the main solution that removes benzene series thing, TOVC and peculiar smell;
C. remove the liquid in the corpus fibrosum of the solution that is full of the main material that removes benzene series thing, TOVC and peculiar smell, form main benzene series thing, TOVC and the peculiar smell corpus fibrosum of removing;
III. remove the manufacturing of the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell:
The corpus fibrosum and main benzene series thing, TOVC and the peculiar smell corpus fibrosum of removing that mainly remove formaldehyde are carried out joining process, form the corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell.
The described main solution that removes formaldehyde comprise following component, its weight ratio is:
Amine compound 15
Silver ammino solution 45
Amphoteric oxide 0.1
Titanium dioxide 0.8
Water 39.1;
The main solution that removes benzene series thing, TOVC and peculiar smell comprises following component, and its weight ratio is:
Amine compound 8.5
Silver ammino solution 20
Amphoteric oxide 15
Titanium dioxide 1.5
Water 55;
Described titanium dioxide is nanoscale.
The beneficial effect that the present invention produces is:
1. fiber mat of the present invention has utilized the characteristics of the material of a large amount of removal pernicious gas of fibrous matter storage.These materials of removing pernicious gas absorb airborne pernicious gas by discharging slowly, have prolonged the effect of removing pernicious gas.Compare with active carbon, the fiber holes of the fibrous matter in the fiber mat is bigger, more, and the material of the removal pernicious gas of storage is more, and removal effect is longer, more effective.The contrast experiment shows that active carbon obviously reduces in adsorbance more than 15 days, and fiber mat can keep the adsorbance of long period.
2. very machine-shaping easily of fiber mat of the present invention can be made the product of shape, various uses.The inconvenience that described fiber mat both can avoid spraying agent to bring can be made useful object again: the substrate of composite floor board for example, the substrate of carpet, the utilities such as liner of bed, sofa, seat; The tapestry that can also make, decoration cloth art, overdrape or the like adornment.And these objects that active carbon can't be made.
3. described fiber mat has solved the handling problem of the pollutants such as formaldehyde, benzene series thing and TOVC of all kinds of furniture well.Experiment shows that removing the formaldehyde rate can reach 97%.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of air-polluting fiber mat in the embodiment of the invention one described decontamination chamber;
Fig. 2 is the structural representation of air-polluting fiber mat in the embodiment of the invention two described decontamination chambers.
The specific embodiment
Embodiment one:
The basic ideas of present embodiment are to do matrix with fibrous matters such as fabric, nonwoven, paper, after various formaldehyde scavengers, eliminating smell agent and process immersion of photocatalyst soup and PROCESS FOR TREATMENT such as dipping, brushing, dry the form that is processed into fiber mat.Fibrous matter in the fiber mat has loose structure, can keep removing formaldehyde in a large number, removes the benzene series thing, remove the preparation of TOVC and taste removal, and slowly discharge.The dispose procedure of these preparations has produced and has purified air, adsorbed functions such as resolving harmful gas, elimination peculiar smell.Compare with active carbon, have better machine-shaping property, can make the product of various uses.Both can avoid making with medicament to need often to spray the inconvenience that is brought, can solve the not problem of easy-formation of active carbon again.Use fiber mat to can be used as substrate and be laid on below the wood floors, active carbon then can't be laid like this.
Present embodiment comprises surface coating 1, is placed with to have absorbed the corpus fibrosum 2 that removes the material of formaldehyde, benzene series thing, TOVC and peculiar smell between the upper and lower surface cover layer, as shown in Figure 1.
Described surface coating is a kind of in natural fabric, synthetic fabrics, mixed fiber fabric, the nonwoven; Described surface coating is a kind of in natural fabric and synthetic fabrics composition, natural fabric and mixed fiber fabric composition, natural fabric and the nonwoven composition; Described surface coating is natural fabric, synthetic fabrics, mixed fiber fabric composition, natural fabric, synthetic fabrics, nonwoven composition, natural fabric, mixed fiber fabric, nonwoven composition, a kind of in synthetic fabrics, mixed fiber fabric, the nonwoven composition; Described surface coating is natural fabric, synthetic fabrics, mixed fiber fabric, nonwoven composition.Described natural fabric comprises wool fabric, linen, bafta etc.
These material requirements permeability are good, can play the effect of protection median fiber body, also play the effect of decoration.These material surfaces can not have floral designs, also can have ornamental floral designs.
Described corpus fibrosum is a kind of in paper, nonwoven or the fibrefill; Described corpus fibrosum is a kind of in paper and nonwoven composition, nonwoven and fibrefill composition, paper and the fibrefill composition; Described corpus fibrosum is paper, nonwoven, fibrefill composition.To these requirements of making the material of corpus fibrosum is to have long fiber, is convenient to absorb fully liquid.Though active carbon and described corpus fibrosum all belong to the adsorbent that the aperture is arranged, aperture of the two and structure differ widely.
Among the present invention, described corpus fibrosum has following advantage than traditional active carbon.The fiber aperture of described corpus fibrosum is bigger, and the aperture of active carbon is less relatively.The material selection of making corpus fibrosum is very important, and various materials have different characteristics.Cotton fiber is elongated slightly flat oval tubular, because hollow, so hygroscopicity, good permeability is very good corpus fibrosum material.Fiber crops are solid bar-shaped long fibre, do not curl, and braid shows as strong, and hygroscopicity is also better.The principal component of animal origin is a protein, also is hollow tubular structures, also has gas permeability preferably, and commonly used have silk, hair two classes.But animal origin is mouldy easily or suffer insect bite, and frowziness own.Big many of specific activity charcoal are wanted in the fiber aperture of described corpus fibrosum.Four kinds of holes or hole are arranged in the general corpus fibrosum: in intrastitial, the fiber, between interfibrous and yarn be hole or hole in the fabric.Hole in the fiber, in the fiber or hole have plenty of blind hole and have plenty of through hole.Fiber aperture in the fiber, in the fiber is generally 0.05～0.6 micron, and less have only 1.0～100 nanometers.Interfibrous horizontal pore-size is generally 0.2～200 micron, and major part is 1.0～60 microns.The most of hole of interfibrous transverse holes connects.Horizontal pore-size in the fabric between yarn is generally 5.0～1000 microns, all is through hole.These corpus fibrosums with fiber hole and hole are easy between the hole of cotton fiber and hole a large amount of chemical composition that can decompose or can react with formaldehyde, benzene series thing and TOVC of dipping.Experiment shows active carbon and the corpus fibrosum gap (is example with the formaldehyde detection) aspect absorption:
Concrete grammar is as follows:
Select two airtight experimental box (about 1 cubic metre) A, B that size is similar.In case, respectively spray into 37% formaldehyde liquid of same amount every day.Stationary temperature (23C ± 2), humidity (60%) mix formaldehyde in the control cabinet in experimental box, allow formaldehyde fully volatilize through 30 minutes and fill the air.In the A case, be placed with one on the cotton pad of 50 centimetres of aldehydes removals of 50 cm x, in the B case, put into the active carbon of equivalent weight.Regularly the air of each airtight experimental box is respectively taken a sample 1 time with atmosphere sampling instrument in the identical period, each sampling time is 40 minutes, and carries out blank determination with the absorption liquid of on-the-spot unsampled blank absorption tube.Test air formaldehyde concentration according to GB/T15516-1995 " air quality---formaldehyde determination acetylacetone,2,4-pentanedione AAS ", or detect with the U.S.'s 4160 type methylene oxide detecting instruments, record case is as follows:
| The test fate | 3 days | 7 days | 15 days | 30 days | 45 days | 60 days | Remarks |
| The A case | 0.08 | 0.09 | 0.11 | 0.16 | 0.20 | 0.25 | |
| The B case | 0.10 | 0.14 | 0.26 | 0.88 | 1.21 | 1.52 |
The unit of numerical value is ppm in the table.The highest limit value of national regulation indoor formaldehyde concentration is 0.10mg/m
3, milligram with the reduction formula of ppm is: 1ppm=1.247mg/m
3
Contrast experiment's data declaration, corpus fibrosum absorbent properties just be higher than active carbon in the starting stage, and after process in also be better than active carbon.Active carbon absorbability after 15 days obviously descends, and corpus fibrosum can also keep absorbability preferably.
Embodiment two:
Present embodiment is the refinement of embodiment one, is the preferred version of embodiment one.Present embodiment is divided into embodiment one described corpus fibrosum two-layer, one deck is for removing formaldehyde layer 21, one deck is for removing benzene series thing, TOVC and peculiar smell layer 22, described remove the formaldehyde layer and remove benzene series thing, TOVC and peculiar smell layer be bonded together; Described juncture is for sewing up.
Embodiment is divided into corpus fibrosum two-layer, its objective is with two-layer corpus fibrosum to comprise two kinds of different medicaments, produces different assimilation effects respectively, and wherein one deck absorbs formaldehyde specially, special benzene series thing, TOVC and the peculiar smell of absorbing of another layer.Layering like this, the efficient that absorbs respectively are higher, more help absorbing harmful substances in air.Because, take into account the absorption of medicament to all harmful toxins, often can't reach satisfied effect, have only special-purpose medicament is set, absorb and decomposes at certain toxin, just can reach the effect of getting well.
Embodiment three:
Present embodiment is embodiment one or two a preferred version, corpus fibrosum is that a kind of present embodiment in natural fabric, synthetic fabrics, natural fabric and the synthetic fabrics composition selects for use the benefit of fabric to be in the present embodiment, described fabric can provide abundant fiber hole, effectively store medicament, reach the effect that noxious material is decomposed in absorption preferably.
Embodiment four:
Present embodiment is embodiment one or two a preferred version, and the corpus fibrosum in the present embodiment is a kind of in paper, nonwoven or the fibrefill; Described corpus fibrosum is a kind of in paper and nonwoven composition, nonwoven and fibrefill composition, paper and the fibrefill composition; Described corpus fibrosum is paper, nonwoven, fibrefill composition.
Embodiment five:
Present embodiment is embodiment one or two a preferred version, the surface coating in the present embodiment
Described surface coating is a kind of in natural fabric, synthetic fabrics, mixed fiber fabric, the nonwoven; Described surface coating is a kind of in natural fabric and synthetic fabrics composition, natural fabric and mixed fiber fabric composition, natural fabric and the nonwoven composition; Described surface coating is natural fabric, synthetic fabrics, mixed fiber fabric composition, natural fabric, synthetic fabrics, nonwoven composition, natural fabric, mixed fiber fabric, nonwoven composition, a kind of in synthetic fabrics, mixed fiber fabric, the nonwoven composition; Described surface coating is natural fabric, synthetic fabrics, mixed fiber fabric, nonwoven composition.
Natural fabric, synthetic fabrics or, the good permeability of mixed fiber fabric, nonwoven, the corpus fibrosum in the middle of again can supportive protection.
Embodiment six:
The manufacture method of air-polluting fiber mat in a kind of decontamination chamber is characterized in that the step of manufacturing is:
A. make the described corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell;
B. select described surface coating;
C. use described surface coating bag by described corpus fibrosum, described surface coating bag and the described corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell of described manufacturing are carried out joining process, obtain described fiber mat finished product; Described joining process is for sewing up.
The key of present embodiment is to make the corpus fibrosum contain except that the material of formaldehyde, benzene series thing, TOVC and peculiar smell, and uses the corpus fibrosum that covering will contain except that the material of formaldehyde, benzene series thing, TOVC and peculiar smell to wrap up, sew up the fiber mat of making finished product.The medicament of harmful substance can be prepared various heterogeneities as required in the deacration that comprises in the corpus fibrosum.For example pernicious gas mainly is a formaldehyde in the air, can mainly be that peculiar smell can be used main medicament of removing peculiar smell or the like in the air with the main medicament of removing formaldehyde.Obducent effect mainly is the protection corpus fibrosum, so that the effect that obtains absorption maximum, decomposes toxic and harmful.What choose that the material of corpus fibrosum mainly considers is the absorbability of material, and the strong material of absorbability is more open usually, and therefore easy-formation does not need the covering protection that other materials is made.Covering can be that fabric also can be a nonwoven, and key is to play the effect of protection corpus fibrosum.Blanket surface can be printed various patterns as required or work out various patterns, plays certain decoration function.Fiber mat becomes the article with decoration function like this, is not only the article that purify air merely, the promoting the use of of the product that helps purifying air.
Embodiment seven:
Present embodiment is the refinement of embodiment six, is to make the method that described manufacturing removes the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell, the steps include:
A. preparation contains the solution except that formaldehyde, benzene series thing, TOVC and peculiar smell;
Described corpus fibrosum is fully absorbed contain solution except that formaldehyde, benzene series thing, TOVC and peculiar smell;
C. remove the liquid that is full of except that in the corpus fibrosum of the solution of formaldehyde, benzene series thing, TOVC and peculiar smell, obtain removing the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell.
Present embodiment is made the method for corpus fibrosum, briefly is exactly obtain solution, makes the material of manufacturing corpus fibrosum absorb solution and the dry process for preparing.
Embodiment eight:
Present embodiment is the preferred version of embodiment seven, comprises following component in the described solution that contains except that formaldehyde, benzene series thing, TOVC and peculiar smell, and its weight ratio is:
Amine compound 1～15
Silver ammino solution 15～45
Amphoteric oxide 0.1～20
Titanium dioxide 0.8～1.5
Water 25～55;
Described titanium dioxide is nanoscale.
Described amine compound is the urea element.
Described amphoteric compound is an alundum (Al.
The main component that described silver ammino solution is is Ag (NH
3)
2OH.
Present embodiment adds silver ammino solution in main component effect is to eliminate leather and airborne free formaldehyde:
Aldehyde material can react with silver ammino solution, as:
HCHO+Ag(NH
3)
2 +OH
-→HCOONH
4+Ag
After in soup, having added silver ammino solution like this, just can effectively suppress and eliminate free formaldehyde, reach the effect that purifies air.
The photocatalysis mechanism of nano titanium oxide:
As the photon irradiation TiO of wavelength less than 387.5nm
2Behind the surface, the electronics that is in valence band will be excited to conduction band and get on, thereby produces highly active photohole (h respectively on valence band and conduction band
+) and light induced electron (e
-:):
TiO
2+hv→h
++e
- (1)
Under the condition of high pH value ,+OH easily passes through OH
-Direct Transfer is to photoactive TiO
2The surface, trapped hole and producing:
h
++OH
-→OH (2)
Under the condition of low pH value ,+OH easily passes through OH
-With the O that is adsorbed
2Series (O
-, O
2 -, O
2 2-, O
- 3) combination, on the basis that forms, further generate:
e+O
2→O
2 - (3)
+O
2 -+H
+→HO
2 - (4)
2HO
2 +→O
2+H
2O
2 (5)
H
2O
2++O
2 -→OH+OH
-+O
2 (6)
H
2O
+++O
2 -→H
2O
-+O
2 - (7)
H
2O
-+H
+→H
2O
+ (8)
The H that is produced in addition
+Also can directly be attracted to TiO
2The hydrone on surface is oxidized to OH:
2HO
2+H
+→OH+H
3O
+ (9)
Above-mentioned reaction produced process+OH, and energy oxidation and adjacent organic pollution also can be diffused into oxidation organic pollution in the liquid phase, and in addition, many organic pollutions also can be directly by the H+ oxidation.
Present embodiment adopts nano titanium oxide can effectively eliminate other volatile organic compounds, thereby realizes the purification to indoor toxic gas.
Embodiment nine:
Present embodiment is the another preferred version of embodiment six, and described manufacturing contains the manufacture method except that the corpus fibrosum of the material of formaldehyde, benzene series thing, TOVC and peculiar smell, and its step is as follows:
I. mainly remove the manufacturing of the corpus fibrosum of formaldehyde:
A. preparation contains the main solution that removes formaldehyde;
B. get a corpus fibrosum, this corpus fibrosum is fully absorbed contain the main solution that removes formaldehyde;
C. remove the liquid in the corpus fibrosum that is full of the solution that mainly removes formaldehyde, form the main corpus fibrosum that removes formaldehyde;
II. mainly remove the manufacturing of the corpus fibrosum of benzene series thing, TOVC and peculiar smell:
A. preparation contains the main solution that removes benzene series thing, TOVC and peculiar smell;
B. get a corpus fibrosum in addition, this corpus fibrosum is fully absorbed contain the main solution that removes benzene series thing, TOVC and peculiar smell;
C. remove the liquid in the corpus fibrosum of the solution that is full of the main material that removes benzene series thing, TOVC and peculiar smell, form main benzene series thing, TOVC and the peculiar smell corpus fibrosum of removing;
III. remove the manufacturing of the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell:
The corpus fibrosum and main benzene series thing, TOVC and the peculiar smell corpus fibrosum of removing that mainly remove formaldehyde are carried out joining process, form the corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell; The method of described joining process is for sewing up.
Present embodiment is fabricated to corpus fibrosum two-layer, can make medicament performance maximum effect as required at the different medicament of different pernicious gas preparations like this.Wherein one deck is at formaldehyde in present embodiment two-layer, and another layer is at benzene series thing, TOVC and peculiar smell.Because current indoor dusty gas mainly is a formaldehyde.Remove other pernicious gases if desired, can prepare other medicaments as required.Can certainly adopt more layer, prepare different medicaments, but too much make intermediate layer and air contact-making surface received restriction that effect may be not ideal.
Embodiment ten:
Present embodiment is the preferred version of embodiment nine, the described main solution that removes formaldehyde comprise following component, its weight ratio is:
Amine compound 15
Silver ammino solution 45
Amphoteric oxide 0.1
Titanium dioxide 0.8
Water 39.1;
The main solution that removes benzene series thing, TOVC and peculiar smell contains following component, and its weight ratio is:
Amine compound 8.5
Silver ammino solution 20
Amphoteric oxide 15
Titanium dioxide 1.5
Water 55;
Described titanium dioxide is nanoscale.
The solution that wherein mainly removes formaldehyde is with the main difference that removes the solution of benzene series thing, TOVC and peculiar smell: though the two medicine liquid ingredient is basic identical, and the components in proportions difference.The former has given prominence to the function of the removal formaldehyde of amine compound and silver ammino solution, and the latter has given prominence to the function of the decomposing organic matter of amphoteric oxide and nano level titanium dioxide.Why adopt identical composition to be because the noxious air of handling itself is exactly a mixed gases, so stress the face difference by different soup aspects processing.
Its method of testing and test effect are as follows:
1. method of testing
(1) detection method: two of the glued boards of buying from the market (seven lis of plates) of 20cm * 20cm are put into 20 liters closed container, measure concentration of formaldehyde value in the closed container with 4160 type methylene oxide detecting instruments after 24 hours, and write down this numerical value.Cotton one of the aldehydes removal of uncapping then and putting into 28cm * 35cm in each case is measured concentration of formaldehyde value in the closed container with 4160 type methylene oxide detecting instruments again after 24 hours, and is write down this numerical value.
(2) detection method explanation: the air formaldehyde concentration context of detection does not also have the state specified standards detection method at present, and above-mentioned detection method is one of method that approaches most reality.Wood-based plate in closed container constantly furniture in release formaldehyde and the reality, to fit up with artificial board be immediate simulated conditions at indoor continuous release formaldehyde.
(3) detecting instrument: detecting instrument is U.S.'s import 4160 type methylene oxide detecting instruments that the national standard metering is assert, display density value numeral in the time of detection.The numerical value that 4160 type methylene oxide detecting instruments are measured and the deviation of laboratory chemical method detected value generally in 5%, the most very much not can surpass 25%.
(4) measure numerical value: measured value is international standard value ppm, is suitable for China's standard, need be converted into milligram value (mg/m
3)
2 experiment test results:
The highest limit value of (notes) national regulation indoor formaldehyde concentration is 0.10mg/m
3, milligram with the reduction formula of ppm is: 1ppm=1.247mg/m
3
Presentation of results: aldehydes removal after cotton 24 hours the formaldehyde clearance be:
The result of two cotton formaldehyde clearances of experimental box aldehydes removal reaches or near 97%, effect is very desirable.
It is as follows that benzene and TOVC detect concrete grammar: (is example with benzene)
Select two airtight experimental box (about 1 cubic metre) A, B that size is similar, respectively spray into the benzene liquid of certain content of same amount, control stationary temperature (23C ± 2), humidity (60%) mix benzene in experimental box, through 30 minutes, allow benzene gas fully volatilize and fill the air.Experimental box A is placed with 50 centimetres of glass plates of 50 cm x that surface spraying product of the present invention is removed benzene, removed the liquid of peculiar smell.Control experiment case B does not spray the blank case of any liquid.The air of each airtight experimental box is respectively taken a sample 1 time with atmosphere sampling instrument in 8:00～20:00 period, each sampling time is 40 minutes, and carries out blank determination with the absorption liquid of on-the-spot unsampled blank absorption tube.According to national regulation test benzene in air concentration.Or detect, and carry out record with the benzene pipe detector.
This is identical with phenyl for the detection method of TOVC, different only be that the solution instruments different and detection usefulness of the pernicious gas that sprays into are different.
The result as shown in the formula:
Wherein: C
2---with the detection data of eliminating smell agent liquid Wiper plate of the present invention;
C
1---the detection data of eliminating smell agent liquid Wiper plate of the present invention of no use;
X---benzene, TOVC, etc. clearance;
2. test result:
| Time (hour) | Do not spray benzene content value mg/M in the glass plate B case of soup 3 | Do not spray TOVC value mg/M in the glass plate B case of soup 3 | Be placed with benzene content value mg/M in the glass plate A case that sprays soup 3 | Be placed with TOVC value mg/M in the glass plate A case that sprays soup 3 | ||
| Initial value 8 points | 0.82 | 2.25 | 0.82 | 2.25 | ||
| 19 points | 0.73 | 2.08 | 0.1 | 0.6 |
Benzene clearance=0.878 * 100%=87.8%; TOVC clearance=0.71 * 100%=71%
Claims (10)
1. the interior air-polluting fiber mat of decontamination chamber comprises the upper and lower surface cover layer, it is characterized in that, is provided with to have absorbed the corpus fibrosum that removes the material of formaldehyde, benzene series thing, TOVC and peculiar smell between described upper and lower surface cover layer.
2. fiber mat according to claim 1, it is characterized in that, described corpus fibrosum is divided into two-layer, one deck is for removing the formaldehyde layer, one deck is for removing benzene series thing, TOVC and peculiar smell layer, described remove the formaldehyde layer and remove benzene series thing, TOVC and peculiar smell layer link together.
3. fiber mat according to claim 1 and 2 is characterized in that, described corpus fibrosum is a kind of in natural fabric, synthetic fabrics, natural fabric and the synthetic fabrics composition.
4. fiber mat according to claim 1 and 2 is characterized in that, described corpus fibrosum is a kind of in paper, nonwoven or the fibrefill; Described corpus fibrosum is a kind of in paper and nonwoven composition, nonwoven and fibrefill composition, paper and the fibrefill composition; Described corpus fibrosum is paper, nonwoven, fibrefill composition.
5. fiber mat according to claim 1 and 2 is characterized in that, described surface coating is a kind of in natural fabric, synthetic fabrics, mixed fiber fabric, the nonwoven; Described surface coating is a kind of in natural fabric and synthetic fabrics composition, natural fabric and mixed fiber fabric composition, natural fabric and the nonwoven composition; Described surface coating is natural fabric, synthetic fabrics, mixed fiber fabric composition, natural fabric, synthetic fabrics, nonwoven composition, natural fabric, mixed fiber fabric, nonwoven composition, a kind of in synthetic fabrics, mixed fiber fabric, the nonwoven composition; Described surface coating is natural fabric, synthetic fabrics, mixed fiber fabric, nonwoven composition.
6. the manufacture method of air-polluting fiber mat in the decontamination chamber is characterized in that the step of manufacturing is:
A. make the described corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell;
B. select described surface coating;
C. use described surface coating bag by described corpus fibrosum, described surface coating bag and the described corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell of described manufacturing are carried out joining process, obtain described fiber mat finished product.
7. the manufacture method of fiber mat according to claim 6 is characterized in that, makes the step that described manufacturing removes the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell to be:
A. preparation contains the solution except that formaldehyde, benzene series thing, TOVC and peculiar smell;
Described corpus fibrosum is fully absorbed contain solution except that formaldehyde, benzene series thing, TOVC and peculiar smell;
C. remove the liquid that is full of except that in the corpus fibrosum of the solution of formaldehyde, benzene series thing, TOVC and peculiar smell, obtain removing the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell.
8. the manufacture method of fiber mat according to claim 7 is characterized in that containing following component in the described solution that contains except that formaldehyde, benzene series thing, TOVC and peculiar smell, and its weight ratio is:
Amine compound 1～15
Silver ammino solution 15～45
Amphoteric oxide 0.1～20
Titanium dioxide 0.8～1.5
Water 25～55;
Described titanium dioxide is nanoscale.
9. the manufacture method of fiber mat according to claim 6 is characterized in that, makes the step that described manufacturing removes the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell to be:
I. mainly remove the manufacturing of the corpus fibrosum of formaldehyde:
A. preparation contains the main solution that removes formaldehyde;
B. get a corpus fibrosum, this corpus fibrosum is fully absorbed contain the main solution that removes formaldehyde;
C. remove the liquid in the corpus fibrosum that is full of the solution that mainly removes formaldehyde, form the main corpus fibrosum that removes formaldehyde;
II. mainly remove the manufacturing of the corpus fibrosum of benzene series thing, TOVC and peculiar smell:
A. preparation contains the main solution that removes benzene series thing, TOVC and peculiar smell;
B. get a corpus fibrosum in addition, this corpus fibrosum is fully absorbed contain the main solution that removes benzene series thing, TOVC and peculiar smell;
C. remove the liquid in the corpus fibrosum of the solution that is full of the main material that removes benzene series thing, TOVC and peculiar smell, form main benzene series thing, TOVC and the peculiar smell corpus fibrosum of removing;
III. remove the manufacturing of the corpus fibrosum of formaldehyde, benzene series thing, TOVC and peculiar smell:
The corpus fibrosum and main benzene series thing, TOVC and the peculiar smell corpus fibrosum of removing that mainly remove formaldehyde are carried out joining process, form the corpus fibrosum that removes formaldehyde, benzene series thing, TOVC and peculiar smell.
10. the manufacture method of fiber mat according to claim 9 is characterized in that the following component that contains of the described main solution that removes formaldehyde, and its weight ratio is:
Amine compound 15
Silver ammino solution 45
Amphoteric oxide 0.1
Titanium dioxide 0.8
Water 39.1;
The main solution that removes benzene series thing, TOVC and peculiar smell contains following component, and its weight ratio is:
Amine compound 8.5
Silver ammino solution 20
Amphoteric oxide 15
Titanium dioxide 1.5
Water 55;
Described titanium dioxide is nanoscale.
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| CN200810116102A CN101314100B (en) | 2008-07-03 | 2008-07-03 | Fibre pad for removing indoor air pollution and method of producing the same |
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| CN102747602A (en) * | 2012-04-05 | 2012-10-24 | 龚䶮 | Formaldehyde removing reagent for treating formaldehyde-containing fabric, and use method thereof |
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