CN107385927A - Photocatalysis graphene fiber - Google Patents

Photocatalysis graphene fiber Download PDF

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Publication number
CN107385927A
CN107385927A CN201710655838.8A CN201710655838A CN107385927A CN 107385927 A CN107385927 A CN 107385927A CN 201710655838 A CN201710655838 A CN 201710655838A CN 107385927 A CN107385927 A CN 107385927A
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China
Prior art keywords
photocatalysis
graphene fiber
parts
protection glue
coating
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CN201710655838.8A
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Inventor
吴立新
吴梓坚
郑坚
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JIANGYIN TIANBANG PAINT Ltd BY SHARE Ltd
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JIANGYIN TIANBANG PAINT Ltd BY SHARE Ltd
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Priority to CN201710655838.8A priority Critical patent/CN107385927A/en
Publication of CN107385927A publication Critical patent/CN107385927A/en
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    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B01D53/8621—Removing nitrogen compounds
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    • 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
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    • 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
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    • 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
    • B01D53/8678—Removing components of undefined structure
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    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/44—Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic System; Zincates; Cadmates
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    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
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    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/12—Aldehydes; Ketones
    • D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones
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    • B01D2253/102—Carbon
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
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    • B01D2255/207—Transition metals
    • B01D2255/20792—Zinc
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01D—SEPARATION
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/802—Visible light

Abstract

The invention discloses a kind of photocatalysis graphene fiber, using graphene fiber as base material, scribbles the Protection glue of 7 15 μm of a thickness in substrate surface, the light catalyzed coating of 37 μm of a thickness is scribbled outside Protection glue.It is of the invention first to scribble one layer of Protection glue in substrate surface, then one layer of nanometer photocatalysis coating is applied outside Protection glue, the Protection glue is while ensureing that base material is not degraded by catalysis material, moreover it is possible to ensures the absorption affinity of graphene fiber.And the graphene fiber for being loaded with light catalyzed coating has very strong redox ability, when purifying air, the toxic and harmful gas in air is captured by adsorbing first with the adsorption function of graphene fiber, then in the presence of visible ray, can continue for the harmful substances such as the formaldehyde of capture, toluene, dimethylbenzene, ammonia, radon, TVOC to be completely decomposed into harmless CO2And H2O, thus the characteristic such as superficial air pollutant and automatically cleaning is removed with automatic, consistency of performance, catalytically bactericidal process positive effect, do not produce secondary pollution.

Description

Photocatalysis graphene fiber
Technical field
The present invention relates to a kind of photocatalysis graphene fiber, is mainly used in the noxious substance in air and processing.
Background technology
As developing rapidly for industry increases with population, the problem of environmental pollution in China is on the rise, and is not singly people's day Air quality often in life is poor, in the long-term closed space such as submarine storehouse, because all kinds of caused by equipment, material etc. itself Gas is often enriched with herein plus all kinds of materials caused by human metabolism, can not carry out fresh air exchange, therefore these again Air quality degradation in confined space.
In order to be purified to air, people can typically use air purifier, but the sky in existing air purifier Gas cleaning module energy consumption is big, it is impossible to automatically cleaning, and air purification efficiency is relatively low.
The content of the invention
The present invention is above-mentioned in order to overcome the shortcomings of, there is provided the problem of a kind of absorption affinity is good, purification air efficiency high, is this A kind of photocatalysis graphene fiber is provided, using graphene fiber as base material, 7-15 μm of a thickness is scribbled in substrate surface Protection glue, the light catalyzed coating of 3-7 μm of a thickness is scribbled outside Protection glue.
Photocatalysis graphene fiber of the present invention, the Protection glue are silica gel, and thickness is 8 μm, and light catalyzed coating is nanometer light Catalytic coatings, thickness are 4 μm.When silica gel thickness is at 8 μm, nanometer photocatalysis coating thickness is loaded with nano-photo catalytic at 4 μm The photocatalysis performance and absorption affinity of the graphene fiber of coating are in optimum state.
Photocatalysis graphene fiber of the present invention, the nanometer photocatalysis coating include following components in percentage by weight：Oxygen Change zinc 10-20 parts, nano titanium oxide 20-40 parts, noble metal 1-3 parts, propylene Korean pine (2- p-nitrophenyls) thiadiazoles 10- 20 parts, vanillic aldehyde 5-6 parts and other auxiliary agents 3-4 parts.The nanometer photocatalysis coating can not only ring to visible ray and ultraviolet light Should, moreover it is possible to infrared optical response.
Photocatalysis graphene fiber of the present invention, the particle diameter of zinc oxide is 5nm, and the particle diameter of nano titanium oxide is 10nm.
Photocatalysis graphene fiber of the present invention, noble metal are gold or silver.
Photocatalysis graphene fiber of the present invention, the rare earth that percetage by weight is 2-3 parts is also included in nanometer photocatalysis coating Element modified titanium dioxide, rare-earth element modified titanium dioxide are rare-earth elements of lanthanum modifying titanium dioxide, lanthanum and dioxy therein The mol ratio for changing titanium is 0.05:1, nanometer photocatalysis coating can further be lifted afterwards by adding rare-earth element modified titanium dioxide Infrared response ability.
Photocatalysis graphene fiber of the present invention, other described auxiliary agents include weight ratio for 2:1:2:1:1:1 light is stable Agent, thickener, dispersant, coalescent, defoamer and antifreezing agent.
Photocatalysis graphene fiber of the present invention, light stabilizer are salicylate, benzophenone, triazines, benzotriazole UV absorbents and hindered amines free radical scavenger in one or more mixtures；Defoamer is tributyl phosphate And/or dimethyl silicone polymer；
Dispersant is one or more mixtures in polyacrylate, enuatrol, polyvinylpyrrolidone；
Antifreezing agent is 1,2-PD or ethylene glycol；Thickener is the hydroxyethyl cellulose solution that concentration is 3%；Coalescent For ester alcohol agglomerated solvent.
The beneficial effects of the invention are as follows：
It is of the invention first to scribble one layer of Protection glue in substrate surface, then one layer of nanometer photocatalysis coating is applied outside Protection glue, should Protection glue is while ensureing that base material is not degraded by catalysis material, moreover it is possible to ensures the absorption affinity of graphene fiber.And it is loaded with The graphene fiber of light catalyzed coating has very strong redox ability again, big first with specific surface area when purifying air Graphene fiber adsorption function by the toxic and harmful gas in air by adsorb capture, then in the effect of visible ray Under, it can continue for the harmful substances such as the formaldehyde of capture, toluene, dimethylbenzene, ammonia, radon, TVOC to be completely decomposed into harmless CO2With H2O, thus there is the automatic removing characteristic such as superficial air pollutant and automatically cleaning, consistency of performance, catalytically bactericidal process positive effect, no Produce secondary pollution.
Embodiment
The present invention is further detailed explanation now.
A kind of photocatalysis graphene fiber, using graphene fiber as base material, 8 μm of a thickness is scribbled in substrate surface Silica gel, the nanometer photocatalysis coating of 4 μm of a thickness is scribbled outside Protection glue.Make the present invention in silica gel thickness at 8 μm, nanometer light is urged Change paint thickness at 4 μm, be loaded with the graphene fiber of nanometer photocatalysis coating photocatalysis performance and absorption affinity most Good state.The specific surface area of graphene fiber felt is 1000-1800m2/g。
The nanometer photocatalysis coating includes following components in percentage by weight：Zinc oxide 10-20 parts, nano titanium oxide 20-40 parts, noble metal 1-3 parts, propylene Korean pine (2- p-nitrophenyls) thiadiazoles 10-20 parts, vanillic aldehyde 5-6 parts and other Auxiliary agent 3-4 parts.Wherein, the particle diameter of zinc oxide is 5nm, and the particle diameter of nano titanium oxide is 10nm, and noble metal is gold or silver.The painting Material is made and then added rare-earth elements of lanthanum modifying titanium dioxide 2-3 parts and stirs, mole of lanthanum and titanium dioxide therein Than for 0.05:1, the particle diameter of titanium dioxide is 10nm.
Other above-mentioned auxiliary agents include weight ratio for 2:1:2:1:1:1 light stabilizer, thickener, dispersant, coalescent, Defoamer and antifreezing agent.Light stabilizer be salicylate, benzophenone, triazines, benzotriazole UV absorbents and by One or more mixtures in hindered amine free radical scavenger；Defoamer is tributyl phosphate and/or polydimethylsiloxanes Alkane；Dispersant is one or more mixtures in polyacrylate, enuatrol, polyvinylpyrrolidone；Antifreezing agent is 1, 2- propane diols or ethylene glycol；Thickener is the hydroxyethyl cellulose solution that concentration is 3%；Coalescent is ester alcohol agglomerated solvent.
It is of the invention first to scribble one layer of Protection glue in substrate surface, then one layer of nanometer photocatalysis coating is applied outside Protection glue, should Protection glue is while ensureing that base material is not degraded by catalysis material, moreover it is possible to ensures the absorption affinity of graphene fiber.And it is loaded with The graphene fiber of light catalyzed coating has very strong redox ability again, big first with specific surface area when purifying air Graphene fiber adsorption function by the toxic and harmful gas in air by adsorb capture, then light/in the presence of, energy Continue for the harmful substances such as the formaldehyde of capture, toluene, dimethylbenzene, ammonia, radon, TVOC to be completely decomposed into harmless CO2And H2O, thus The characteristic such as superficial air pollutant and automatically cleaning is removed with automatic, consistency of performance, catalytically bactericidal process positive effect, is not produced secondary Pollution.
Light catalyzed coating in the present invention has carried out doping treatment to titanium dioxide basis material, is injected using noble metal Element in Ti-O-Ti lattices, interstitial void or substitution lattice, obtains modifying titanium dioxide, and modifying titanium dioxide pair can See that light, infrared optical response can all have been lifted and but also retain original ultraviolet radioactive response, so as to realize visible light catalytic, infrared Photocatalysis, then by adding rare-earth element modified titanium dioxide, further can lift infrared optical response, enable the invention to ring The optical band answered maximizes.
Above-mentioned according to the present invention is enlightenment, by above-mentioned description, relevant staff completely can without departing from In the range of this invention technological thought, various changes and amendments are carried out.The technical scope of this invention is not limited to In the content on specification, it is necessary to determine its technical scope according to right.

Claims (8)

1. a kind of photocatalysis graphene fiber, it is characterized in that：Using graphene fiber as base material, a thickness is scribbled in substrate surface 7-15 μm of Protection glue, the light catalyzed coating of 3-7 μm of a thickness is scribbled outside Protection glue.
2. photocatalysis graphene fiber according to claim 1, it is characterized in that：The Protection glue is silica gel, and thickness is 8 μ M, light catalyzed coating are nanometer photocatalysis coating, and thickness is 4 μm.
3. photocatalysis graphene fiber according to claim 2, it is characterized in that：The nanometer photocatalysis coating includes following The component of percentage by weight：Zinc oxide 10-20 parts, nano titanium oxide 20-40 parts, noble metal 1-3 parts, (2- pairs of propylene Korean pine Nitrobenzophenone) thiadiazoles 10-20 parts, vanillic aldehyde 5-6 parts and other auxiliary agents 3-4 parts.
4. the photocatalysis graphene fiber stated according to claim 3, it is characterized in that：The particle diameter of zinc oxide is 5nm, nanometer titanium dioxide The particle diameter of titanium is 10nm.
5. photocatalysis graphene fiber according to claim 3, it is characterized in that：Noble metal is gold or silver.
6. photocatalysis graphene fiber according to claim 3, it is characterized in that：Also include weight in nanometer photocatalysis coating Percentage is the rare-earth element modified titanium dioxide of 2-3 parts, and rare-earth element modified titanium dioxide is that rare-earth elements of lanthanum is modified dioxy Change titanium, the mol ratio of lanthanum and titanium dioxide therein is 0.05:1.
7. photocatalysis graphene fiber according to claim 3, it is characterized in that：Other described auxiliary agents include weight ratio 2:1:2:1:1:1 light stabilizer, thickener, dispersant, coalescent, defoamer and antifreezing agent.
8. nanometer photocatalysis coating according to claim 7, it is characterised in that light stabilizer is salicylate, hexichol first Ketone, triazines, benzotriazole UV absorbents and hindered amines free radical scavenger in one or more mixtures；
Defoamer is tributyl phosphate and/or dimethyl silicone polymer；
Dispersant is one or more mixtures in polyacrylate, enuatrol, polyvinylpyrrolidone；
Antifreezing agent is 1,2-PD or ethylene glycol；Thickener is the hydroxyethyl cellulose solution that concentration is 3%；Coalescent is ester Alcohol agglomerated solvent.
CN201710655838.8A 2017-08-03 2017-08-03 Photocatalysis graphene fiber Pending CN107385927A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108906018A (en) * 2018-07-10 2018-11-30 杭州高烯科技有限公司 A kind of method of photo catalytic reduction reactor and its catalysis reduction carbon dioxide
CN111111434A (en) * 2020-01-15 2020-05-08 上海第二工业大学 Equipment for catalytic degradation of VOCs gas through infrared heating
CN114011385A (en) * 2021-11-01 2022-02-08 中国船舶重工集团公司第七一八研究所 Preparation method of high-amino-content solid amine fiber cloth

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CN101037553A (en) * 2007-02-13 2007-09-19 云南大学 Preparation and application method of optical catalysed environment protection type coating
CN101485974A (en) * 2009-02-23 2009-07-22 东南大学 Method for supporting nano titanic oxide on surface of carrier material
CN103464098A (en) * 2013-08-23 2013-12-25 苏州艾特斯环保材料有限公司 Graphene photocatalytic absorbent
CN105602362A (en) * 2016-03-08 2016-05-25 沈阳师范大学 Photocatalytic coating

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108906018A (en) * 2018-07-10 2018-11-30 杭州高烯科技有限公司 A kind of method of photo catalytic reduction reactor and its catalysis reduction carbon dioxide
CN108906018B (en) * 2018-07-10 2021-01-12 杭州高烯科技有限公司 Photocatalytic reduction reactor and method for catalytic reduction of carbon dioxide by using same
CN111111434A (en) * 2020-01-15 2020-05-08 上海第二工业大学 Equipment for catalytic degradation of VOCs gas through infrared heating
CN111111434B (en) * 2020-01-15 2022-06-07 上海第二工业大学 Equipment for catalytic degradation of VOCs gas through infrared heating
CN114011385A (en) * 2021-11-01 2022-02-08 中国船舶重工集团公司第七一八研究所 Preparation method of high-amino-content solid amine fiber cloth

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Application publication date: 20171124