CN105420919B - A kind of photocatalyst removes the preparation method of formaldehyde blanket - Google Patents
A kind of photocatalyst removes the preparation method of formaldehyde blanket Download PDFInfo
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- CN105420919B CN105420919B CN201510741021.3A CN201510741021A CN105420919B CN 105420919 B CN105420919 B CN 105420919B CN 201510741021 A CN201510741021 A CN 201510741021A CN 105420919 B CN105420919 B CN 105420919B
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- photocatalyst
- dilute solution
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/02—Cotton wool; Wadding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H17/00—Felting apparatus
- D04H17/10—Felting apparatus for felting between rollers, e.g. heated rollers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The present invention discloses the preparation method that a kind of photocatalyst removes formaldehyde blanket, from regeneration fine-denier long-staple cotton and 110 DEG C of low-melting fibers as raw material, while configures photocatalyst dilute solution；Regeneration fine-denier long-staple cotton and 110 DEG C of low-melting fibers are put into opener, is combed after blended machine mixing into carding machine and exports web；High-pressure spray gun is opened, photocatalyst dilute solution is continuously and uniformly sprayed in web upper surface during carding machine output web enters lapping machine；During the web for being loaded with photocatalyst dilute solution sequentially enters lapping machine, high temperature oven, low temperature baking oven, ironing roller and cooler, uviol lamp is always on to irradiate nano titanium oxide；The present invention makes photocatalyst dilute solution quickly sufficiently be supported on felt using spray process, uses uviol lamp photocatalyst dilute solution is reached efficient catalytic effect to remove formaldehyde.
Description
Technical field
The present invention relates to a kind of technology of preparing of interior material, specifically a kind of blanket for places such as interior, in-cars
Felt method.
Background technology
Blanket used is in the prevalence of formaldehyde pollution in room and in automobile, formaldehyde be compared with high toxic material, have teratogenesis,
Carcinogenesis.The method that tradition eliminates formaldehyde has：Ventilation method, active carbon adsorption and chemical method.Ventilation method and charcoal absorption
Method removes formaldehyde environment protection health, but time-consuming and removing is not thorough；Chemical method removal formaldehyde is time saving and energy saving, but not environmentally, such as
Chemical classes air treating product, is obtained by artificial synthesized mode, wherein be much aromatic compound, aromatic series
Compound is nearly all containing having been demonstrated or the benzene ring compound suspected of carcinogen.In addition, many chemical products it is oxidizing,
Corrosivity, easily vessel are caused damage.
The preparation method of traditional blanket is：Common regeneration cotton and 110 DEG C of low-melting fibers are first inputted into opener in proportion
Shredding is carried out, blended machine is mixed and mixed through hopper jarring machine, then by single cylinder double doffer card networking, lapping machine paving
Net, most afterwards through a baking oven bake pressure into felt.Blanket prepared by this method, when in use can be into air without except formaldehyde treated
Release formaldehyde.
Photocatalyst refers to the nano TiO 2 for possessing photochemical catalyst effect, and charged group is provoked into after energy is absorbed, can
Hydroxy radical is oxidized to so that O2 and H2O on its surface will be adsorbed, OH. and active oxygen these compounds（Particularly hydroxyl is free
Base）There is very strong oxidisability, easily can open the chemical combination key of harmful substance, so as to reach the purpose of decomposition.
The content of the invention
Present invention aim to address existing blanket to have formaldehyde pollution when in use, proposes that a kind of photocatalyst removes first
The preparation method of aldehyde blanket, formaldehyde is efficiently removed in blanket preparation process, make blanket safe and environmentally friendly when in use.
The technical solution adopted in the present invention is：The present invention is using opener, mixer, the comb set gradually from front to back
This felt equipment of reason machine, lapping machine, high temperature oven, ironing roller and cooler, comprises the following steps：
（1）From regeneration fine-denier long-staple cotton and 110 DEG C of low-melting fibers as raw material, while it is molten to configure photocatalyst dilution
Liquid；Increase a low temperature baking oven between high temperature oven and ironing roller, touched at carding machine rear equipped with high-pressure spray gun with spraying light
Matchmaker's dilute solution；A uviol lamp is respectively filled at the top of lapping machine, high temperature oven, low temperature baking oven, ironing roller and cooler；
（2）Regeneration fine-denier long-staple cotton and 110 DEG C of low-melting fibers are put into opener, entered after blended machine mixing
Carding machine combs and exports web；High-pressure spray gun is opened, during carding machine output web enters lapping machine on web
Surface continuously and uniformly sprays photocatalyst dilute solution；Be loaded with the web of photocatalyst dilute solution in turn enter lapping machine,
High temperature oven, low temperature baking oven, ironing roller and cooler, uviol lamp are always on to irradiate nano titanium oxide；
（3）From the sizing blanket cut-out shaping on request again of cooler output.
Further, step（1）In, the collocation method of photocatalyst dilute solution is：First in the ilmenite concentrate containing titanium dioxide
It is middle to add molten ore deposit agent, the obtained medium molecule of nanosized seeds is added after fired, acidolysis and reaches nano level titanium dioxide；Gather again
The pure natural Rabdosia rubescens of nature growth or honeysuckle plant, extract its active factors, obtained pH value is after rinsing, sterilizing
Neutral plant osmosis is refined liquid；Finally match somebody with somebody in the nano level titanium dioxide ratio that 10 grams are added in every 1000 milliliters of liquid of refining
Put to obtain photocatalyst dilute solution.
Step（1）In, the weight ratio for regenerating fine-denier long-staple cotton and 110 DEG C of low-melting fibers is 3:1.
Step（2）In, the temperature of high temperature oven is maintained at 220 DEG C, and the temperature of low temperature baking oven is maintained at 100 DEG C.
The present invention this have the advantage that after using above-mentioned technical proposal：
1st, the present invention uses spray process, is uniformly sprayed in every layer of lapping, makes this photocatalysis of photocatalyst dilute solution molten
Agent is quickly sufficiently supported on felt, and it is more comprehensive to remove formaldehyde.
2nd, the present invention reaches nanoscale using medium molecule（Below 20nm）Titanium dioxide be primary raw material, be prepared
Stable photocatalyst retarder thinner, combined with special photocatalyst solvent with regeneration fine-denier long wool blanket, pass through photocatalyst skill
Art, produce effectively to remove and meeting in the interior or automobile of environmental requirement for formaldehyde use blanket.
3rd, present invention installation from lapping machine to cooler amounts to 5 365nm ultraviolet (UV) fluorescent tube, reaches photocatalysis solvent
Acted on to efficient catalytic.
4th, using the inventive method prepare blanket when in use, because of the effect of photocatalyst, air is touched in formaldehyde etc.
Fast decoupled is eliminated before injury human body.Photochemical catalyst is used as because photocatalyst is public, it merely provides the place of reaction
And itself and be not involved in chemically reacting, belong to harmless treatment, non-secondary pollution.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments
Fig. 1 is a kind of photocatalyst of the present invention except the process flow diagram of the preparation method of formaldehyde blanket.
Embodiment
The present invention gets out raw material and configuration photocatalysis dilute solution first, and then traditional felt equipment is changed
Dress, photocatalysis dilute solution spray is subjected to illumination on web, while with uviol lamp during felt, makes formaldehyde in felt
Process is just eliminated.Detailed process is as follows：
Referring to Fig. 1, from blanket sound-absorbing and cost consideration, the present invention suitably regenerates fine-denier long-staple cotton and 110 from ratio
DEG C low-melting fiber selects the fiber of skin-core structure as raw material, 110 DEG C of low-melting fibers.Regenerate fine-denier long-staple cotton and 110
The weight ratio of DEG C low-melting fiber is 3:1.
Photocatalyst dilute solution is being configured from raw material simultaneously：It is original first to select containing the higher ilmenite concentrate of titanium dioxide
Material, molten ore deposit agent is added, after fired, acidolysis, add the obtained medium molecule of nanosized seeds and reach nanoscale（Below 20nm）'s
Titanium dioxide；Secondly the plant such as the pure natural Rabdosia rubescens of collection nature growth, honeysuckle, after rinsing, sterilizing, extracts it
Active factors, pH value is made and is refined liquid for neutral plant osmosis；Finally press the nanometer of 10 grams of addition in every 1000 milliliters of solution
Titanium dioxide proportional arrangement obtains photocatalyst dilute solution.To make photocatalyst dilute solution more stable, the present invention is dilute in photocatalyst
The food grade emulsifier of 5 milliliters of addition in solution is released, that is stablized after being sufficiently stirred is free of any organic solvent and perfume (or spice)
Smart, nontoxic, free from extraneous odour, corrosion-free, green photocatalyst dilute solution.
After raw material and photocatalyst dilute solution are got ready, existing traditional felt equipment is reequiped.Traditional felt
Equipment include set gradually from front to back opener, mixer, single cylinder double doffer card, lapping machine, high temperature oven, scald
Plain-barreled roll and cooler.During repacking, increase a low temperature baking oven progress low temperature baking between high temperature oven and ironing roller.Namely
Set gradually carding machine, lapping machine, high temperature oven, low temperature baking oven, ironing roller and cooler.Again one is installed at carding machine rear
The high-pressure spray gun in ultra-fine aperture, the spout of high-pressure spray gun are faced from the web upper surface of carding machine output, and its effect is by light
Catalyst dilute solution quickly becomes vaporific and is sprayed on web.
Because nano titanium oxide is preferable to below 400nm ultraviolet radiation absorption effect, and daylight middle-ultraviolet lamp is less, because
This, the present invention is irradiated using uviol lamp to nano titanium oxide.Through multiple repetition test, it is preferable to select resultant effect
365nm ultraviolet (UV) lamp, lapping machine, high temperature oven, low temperature baking oven in felt equipment, ironing roller, the top of cooler
Respectively one 365nm of installation ultraviolet (UV) lamp, therefore, will install 5 365nm ultraviolet (UV) lamp altogether.
During felt, regeneration fine-denier long-staple cotton and 110 DEG C of low-melting fibers are put into opener in proportion, including it is pre-
Opener and smart opener；Enter single cylinder double doffer card after blended machine mixing again, carry out air-flow and comb output web.Comb
When, the 80g/m by single net grammes per square metre of carding machine by routine2It is adjusted to 60 g/m2, in favor of subsequently fully absorbing sprayed solvent.Cotton
Web is intersected lay-up in bottom curtain by net through lapping machine again.Now open high-pressure spray gun so that enter in carding machine output web
Photocatalyst dilute solution is continuously and uniformly sprayed in web upper surface during lapping machine, because the photocatalyst dilute solution is by huge
Nano material and extracted form natural plant the elite composition of big specific surface area, have larger dispersiveness and specific surface area, so as to
Photocatalyst dilute solution can be made quickly fully to be carried on web.When spraying photocatalyst dilute solution, by adjusting spray gun valve
For door to adjust spray flux, spray flux meets 40 ml/kg webs.
After the web of load photocatalyst dilute solution enters lapping machine, the irradiation through the ultraviolet (UV) lamp at the top of lapping machine,
The formaldehyde on a part of top layer can be decomposed.Web in turn enters high temperature oven, low temperature baking oven, ironing roller and cooling successively again
Machine.In the process, ultraviolet (UV) lamp is always on, fully to irradiate nano titanium oxide.The temperature of high temperature oven is maintained at
220 DEG C, the formaldehyde in intermediate layer while normal felt, is carried out volatilization drop by web through 220 DEG C of hot melt adhesives of high temperature oven
Solution.The temperature of low temperature baking oven is maintained at 100 DEG C, and web can be dried processing through low temperature baking oven and decompose the formaldehyde of internal layer, enter
One step eliminates formaldehyde.The web come out from low temperature baking oven enters ironing roller, roller hot pressure surface is scalded up and down through ironing roller, through open type
Cooler internal cooling be shaped into blanket.Finally satisfactory blanket is cut into by product final size requirement.
The appropriate speed of service reduced during felt, can make that web irradiation time is longer, and Formaldehyde decomposition is more abundant, because
This, web is exported up to cooling and shaping terminates from lapping machine, and whole process substantially needs 6-8 minutes.Institute in web during this
Containing nano level TiO2 through under the irradiation of the ultraviolet (UV) lamp of installation at the top of each equipment, electronics is produced due to absorbing luminous energy
Hole pair（Photocarrier）, these holes activate the H2O and O2 of its surface attachment and produce hydrogen to that can be rapidly migrated to surface
Epoxide（-OH）And active oxygen（-O）.And the extremely strong material of both oxidisability can rapidly with the formaldehyde that adheres in blanket and
The hydrocarbon reaction of the macromolecules such as bacterium, virus, harmless CO2 and water are generated, so as to substantially effectively decompose
The materials such as most of formaldehyde contained by blanket can simultaneously vapor away in time.
To being detected with the blanket prepared by the inventive method, detection project is to detect the nuisance based on formaldehyde
Matter, result is as shown in table 1 below after testing, shows to be equal to or more than with the clearance of the blanket PARA FORMALDEHYDE PRILLS(91,95) prepared by the inventive method
87.84。
Table 1
。
Claims (7)
1. a kind of photocatalyst removes the preparation method of formaldehyde blanket, using the opener, mixer, combing set gradually from front to back
This felt equipment of machine, lapping machine, high temperature oven, ironing roller and cooler, it is characterized in that comprising the following steps：
（1）From regeneration fine-denier long-staple cotton and 110 DEG C of low-melting fibers as raw material, while configure photocatalyst dilute solution；
Increase a low temperature baking oven between high temperature oven and ironing roller, it is dilute to spray photocatalyst equipped with high-pressure spray gun at carding machine rear
Release solution；A uviol lamp is respectively filled at the top of lapping machine, high temperature oven, low temperature baking oven, ironing roller and cooler；
The collocation method of the photocatalyst dilute solution is：First added in the ilmenite concentrate containing titanium dioxide and melt ore deposit agent, fired,
The obtained medium molecule of nanosized seeds is added after acidolysis and reaches nano level titanium dioxide；Gather again nature growth Rabdosia rubescens or
Honeysuckle plant, its active factors is extracted after rinsing, sterilizing, pH value is made and is refined liquid for neutral plant osmosis；Finally press
10 grams of nano level titanium dioxide proportional arrangement is added in every 1000 milliliters of liquid of refining and obtains photocatalyst dilute solution；
（2）Regeneration fine-denier long-staple cotton and 110 DEG C of low-melting fibers are put into opener, enters after blended machine mixing and combs
Machine combs and exports web；High-pressure spray gun is opened, in web upper surface during carding machine output web enters lapping machine
Continuously and uniformly spray photocatalyst dilute solution；The web for being loaded with photocatalyst dilute solution sequentially enters lapping machine, high temperature dries
Case, low temperature baking oven, ironing roller and cooler, uviol lamp are always on to irradiate photocatalyst dilute solution；
（3）From the sizing blanket cut-out shaping on request again of cooler output.
2. photocatalyst removes the preparation method of formaldehyde blanket according to claim 1, it is characterized in that：Diluted in the photocatalyst molten
5 milliliters of food grade emulsifier, the photocatalyst dilute solution stablized after being sufficiently stirred are added in liquid.
3. photocatalyst removes the preparation method of formaldehyde blanket according to claim 1, it is characterized in that：Step（1）In, regenerate fine-denier
The weight ratio of long-staple cotton and 110 DEG C of low-melting fibers is 3:1.
4. photocatalyst removes the preparation method of formaldehyde blanket according to claim 1, it is characterized in that：Step（1）In, uviol lamp is
365nm ultraviolet (UV) lamp.
5. photocatalyst removes the preparation method of formaldehyde blanket according to claim 1, it is characterized in that：Step（2）In, high-pressure spray gun
Spray flux be 40 ml/kg webs.
6. photocatalyst removes the preparation method of formaldehyde blanket according to claim 1, it is characterized in that：Step（2）In, high temperature oven
Temperature be maintained at 220 DEG C, the temperature of low temperature baking oven is maintained at 100 DEG C.
7. photocatalyst removes the preparation method of formaldehyde blanket according to claim 1, it is characterized in that：Step（2）In, web is from paving
For the output of net machine until cooling and shaping terminates, whole process needs 6-8 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741021.3A CN105420919B (en) | 2015-11-05 | 2015-11-05 | A kind of photocatalyst removes the preparation method of formaldehyde blanket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741021.3A CN105420919B (en) | 2015-11-05 | 2015-11-05 | A kind of photocatalyst removes the preparation method of formaldehyde blanket |
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| CN105420919A CN105420919A (en) | 2016-03-23 |
| CN105420919B true CN105420919B (en) | 2017-12-19 |
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| CN106120316B (en) * | 2016-07-19 | 2019-02-12 | 汕头市盛强针织实业有限公司 | The preparation method of the modified uvioresistant gel fabric finishing agent of one Plant Extracts |
| CN106120148B (en) * | 2016-08-23 | 2018-06-08 | 湖北崇高科工有限公司 | A kind of preparation method of thermoforming heat-insulating and sound-absorbing cotton |
| CN107185399A (en) * | 2017-05-24 | 2017-09-22 | 黄丽英 | Except formaldehyde articles for use |
| CN107175088A (en) * | 2017-07-26 | 2017-09-19 | 湖北菲利华石英玻璃股份有限公司 | A kind of preparation method of the quartzy blanket of photocatalyst catalysis |
| CN109797489B (en) * | 2019-01-31 | 2022-06-03 | 无锡吉兴汽车声学部件科技有限公司 | Silencing felt and application thereof |
| CN110523271B (en) * | 2019-09-09 | 2022-04-12 | 厦门当盛新材料有限公司 | Building interior material and preparation method thereof |
| CN110820166A (en) * | 2019-11-12 | 2020-02-21 | 广州中樱汽车零部件有限公司 | Environment-friendly recycled material low-VOC (volatile organic compound) constant-density cotton for automobiles and preparation method thereof |
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| CN105420919A (en) | 2016-03-23 |
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