CN107081061A - Compound net aldehyde material and preparation method thereof - Google Patents
Compound net aldehyde material and preparation method thereof Download PDFInfo
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- CN107081061A CN107081061A CN201710407436.6A CN201710407436A CN107081061A CN 107081061 A CN107081061 A CN 107081061A CN 201710407436 A CN201710407436 A CN 201710407436A CN 107081061 A CN107081061 A CN 107081061A
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- aldehyde
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- titanium dioxide
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- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 title claims abstract description 143
- 239000000463 material Substances 0.000 title claims abstract description 83
- 150000001875 compounds Chemical class 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 98
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 13
- 238000010257 thawing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical group O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 89
- 230000000052 comparative effect Effects 0.000 description 12
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000001354 calcination Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 4
- 239000005909 Kieselgur Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- -1 coalescents Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003837 high-temperature calcination Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 241000876833 Emberizinae Species 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000010332 dry classification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000006166 lysate Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/11—Clays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D2259/804—UV light
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses compound net aldehyde material of one kind and preparation method thereof, belong to field of material preparation.Above-mentioned compound net aldehyde material is made up of each component of following parts by weight：Non-calcinated 100 300 parts of diatomite, 20 50 parts of titanium dioxide, it is quick-acting remove 1 10 parts of the aldehyde factor.The more preferable non-calcinated diatomite of performance of the present invention, using its strong absorption property, adsorbs substantial amounts of quick-acting except the aldehyde factor and titanium dioxide, net aldehyde effect is substantially improved；Simple in preparation process, production threshold is low, is easy to popularization.
Description
Technical field
The invention discloses a kind of material of purifying formaldehyde, more particularly to a kind of compound net aldehyde material and its preparation side
Method.
Background technology
Glue or adhesive are contained in present finishing material all parts, serious to threaten containing harmful pollutant
The health of people, because the phenomenon that finishing pollution causes occupant's dizziness and nausea etc. uncomfortable is frequently occurred, severe one is serious
Threaten the life security of occupant.One important indicator of indoor pollutant is formaldehyde in formaldehyde, existing metope field of coating
It is the catalyst for being capable of by adding titanium dioxide etc. in coating or emulsion paint etc. decomposing formaldehyde under various conditions to remove mostly,
The absorption of formaldehyde is also carried out by adding porous material simultaneously so that indoor formaldehyde concentration is reduced.
Common porous material is flux calcination diatomite, serious compared to the melting of flux calcination diatomite surface of shell,
A large amount of micropore meltings are macropore, and aperture is between 3000-10000nm, and specific surface area reduces, and adsorption capacity is slackened, non-calcinated silicon
Diatomaceous earth refers to that the diatomite not Jing Guo high-temperature calcination is called washing diatomite, is different from the diatomite of flux calcination, it is
, can be effective by washing the diatomite that the techniques such as scattered, screening, super gravity field laminar centrifugal beneficiation and dry classification are obtained
Sorting removes quartz, feldspathoid and clayey and part organic matter in diatomite original ore, and can be right under wet type state
Diatomite carries out Accurate Classification, and the natural functional characteristic of diatomite, its specific surface area bigger, porosity are remained to greatest extent
Higher, pore volume bigger, aperture is smaller, and absorption and damping ability are stronger.
But nano titanium oxide Composite type diatomite catalysis material formula technique only rests in few part population hand
In, popularity rate and low.And complex production process, equipment needs custom-made, and it is low that strong security promotes power.Production cost is high, profit
Profit is opaque, and nearly 200,000 yuan of present market price is per ton.Prior art majority is to be supported on the diatomaceous surface of flux calcination
On, flux calcination diatomite can make diatomaceous aperture become big in the environment of high-temperature calcination, or even space such as collapses at the phenomenon, sternly
Ghost image rings diatomaceous absorption property and load performance.Just there is catalytic degradation effect only in the presence of light in materials application
Really, this material is made to turn into waste product under conditions of not having light.
It is new on preparing except the relevant report of aldehyde material is as follows：
CN106423122A discloses one kind to wash diatomite as carrier loaded nano-TiO2Catalysis material and its system
Preparation Method, belongs to catalysis material technical field.Solve and how to provide that a kind of load capacity is high, whiteness is high, photocatalysis effect is good,
Cost is low to wash diatomite as carrier loaded nano-TiO2Catalysis material and preparation method thereof.The invention is by washing silicon
Diatomaceous earth and the nano titanium oxide composition being supported on washing diatomite, wherein, washing diatomaceous dioxide-containing silica is
More than 92%, the load capacity of nano titanium oxide is 40~45%.The cost of material is low for this, and specific surface area is big, surface titanium dioxide
Load capacity is high, and grain size is small, and photocatalysis performance is excellent, except effect of formaldehyde is good.But, because titanium dioxide can only be urged in ultraviolet light
Formaldehyde decomposition is catalyzed under conditions of change, can not fast decoupled formaldehyde under conditions of visible ray and no light, it is adaptable to long-acting
Slow degradation of formaldehyde, if moved in immediately after requiring finishing, the material can not meet needs.
The content of the invention
To solve the problems such as house can not be moved in directly, formaldehyde content in indoor air is high after fitting up in the prior art, this
Invention provides a kind of compound net aldehyde material and preparation method thereof.
In order to solve the above technical problems, present invention offer technical scheme is as follows：
On the one hand, the present invention provides a kind of compound net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated diatomite 100-300 parts
20-50 parts of titanium dioxide
It is quick-acting to remove 1-10 parts of the aldehyde factor.
Further, above-mentioned compound net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated diatomite 150-200 parts
30-40 parts of titanium dioxide
It is quick-acting to remove 5-10 parts of the aldehyde factor.
Further, above-mentioned compound net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated 180 parts of diatomite
35 parts of titanium dioxide
It is quick-acting to remove 8 parts of the aldehyde factor.
Further, the titanium dioxide is P25, and particle diameter is 1-30nm.
Except the aldehyde factor is that pure plant raw material is developed, amino is contained in system, can be solved in 3-6 hours glued
Free formaldehyde in plate core-board, compoiste wood floor, wallpaper, bunting, artificial wood-based board, coating, production is exceeded and room
The free formaldehyde and inside of furniture in various ornament materials, the trip in room air are removed in room fitment process and after finishing
From formaldehyde, there is the absorption, seizure, osmosis of strength, with formaldehyde fast reaction and generate stable nontoxic polymer,
So as to thoroughly remove formaldehyde.
Titanium dioxide P25 is a kind of nano level white powder, and the hydroxyl group on surface makes it have hydrophily, particle
Size and 4g/cm3Density make it have 50m2/ g special surface.Titanium dioxide P25 belongs to mixed crystal type, anatase and golden red
The weight ratio about 71/29 of stone, because two kinds of mixing up of structure increase TiO2Intracell defect concentration, increases carrier
Concentration, make electronics, number of cavities increase, make it have stronger capture in TiO2The ability of the organic matter on surface, has simultaneously
There are the performances such as excellent ultraviolet radiation absorption, photo-catalyst, decomposing organic pollutant.
Using non-calcinated diatomite as carrier, titanium dioxide and the quick-acting aldehyde factors of removing are, except aldehyde main body, successfully to prepare and efficiently remove
Aldehyde material.Non-calcinated diatomaceous strong suction-operated, during except aldehyde, adsorbable substantial amounts of formaldehyde drops to a certain extent
Low indoor formaldehyde concentration, while can firmly adsorb a large amount of quick-acting except the aldehyde factor and titanium dioxide, improves Degradation Formaldehyde efficiency.
On the other hand, the present invention also provides a kind of preparation method of above-mentioned compound net aldehyde material, including：
Step 1：By quick-acting except the aldehyde factor is stirred in clear water to complete thawing, form quick-acting except aldehyde factor solutions；
Step 2：By quick-acting except aldehyde factor solutions are uniformly sprayed at non-calcinated diatomaceous surface, non-calcinated diatomite is allowed
Space absorb, then under certain temperature dry；
Step 3：Drying product in step 2 is added with titanium dioxide and mixed at a certain temperature in high speed dispersor
It is even, form compound net aldehyde material.
Further, in the step 2, drying temperature is 100-150 DEG C, and drying time is 18-24h.It is slow using low temperature
Slow drying, can prevent quick-acting except loss of the aldehyde factor with steam
Further, in the step 3, mixing temperature is 120-150 DEG C.Now heating is partly in order to secondary dry
It is dry, on the other hand it is that should be at a certain temperature, non-calcinated diatomaceous space can be made fully to adsorb titanium dioxide and quick-acting
Except the aldehyde factor, it is non-calcined diatomite surface and the substantial amounts of titanium dioxide of space reservation and quick-acting except the aldehyde factor, is substantially improved net
Aldehyde effect.
Another further aspect, the present invention provides a kind of compound net aldehyde coating, including above-mentioned compound net aldehyde material, described compound
The net aldehyde coating of type is specifically made up of the component of following parts by weight：
Above-mentioned emulsion, coalescents, dispersant, wetting agent, levelling agent, thickener and defoamer are thing commonly used in the art
Matter, all materials that can apply to this area can be using in the present invention, and each substance classes are numerous to list herein.
The invention provides compound net aldehyde material of one kind and preparation method thereof, have the advantages that：
1) the more preferable non-calcinated diatomite of performance, using its strong absorption property, adsorbs substantial amounts of quick-acting except the aldehyde factor
And titanium dioxide, net aldehyde effect is substantially improved；
2) with non-calcinated diatomite, quick-acting except the aldehyde factor and titanium dioxide three compound system act synergistically, formaldehyde is realized
Rapidly and efficiently degraded；
3) simply simple mixing and heating in preparation process, simple to operate, production threshold is low, is easy to popularization.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with specific implementation
Example is described in detail.
Such scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to illustrate
The present invention and be not limited to limit the scope of the present invention.The implementation condition used in embodiment can be done according to the condition of specific producer
Further adjustment, unreceipted implementation condition is usually the condition in normal experiment.
The present invention for fitting up in the prior art after house can not be moved in directly, formaldehyde content in indoor air height etc. is asked
Topic, the present invention provides a kind of compound net aldehyde material and preparation method thereof.
Material used is commercially obtained in following embodiments.
Embodiment 1：
A kind of compound net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated 100 parts of diatomite
20 parts of titanium dioxide
It is quick-acting to remove 1 part of the aldehyde factor.
The preparation method of above-mentioned compound net aldehyde material：
Step 1：By quick-acting except the aldehyde factor is stirred in clear water to complete thawing, form quick-acting except aldehyde factor solutions；
Step 2：By quick-acting except aldehyde factor solutions are uniformly sprayed at non-calcinated diatomaceous surface, non-calcinated diatomite is allowed
Space absorb, then 100 DEG C of dry 24h；
Step 3：Drying product in step 2 is added with titanium dioxide and is well mixed in high speed dispersor at 120 DEG C,
Form compound net aldehyde material.
Embodiment 2：
A kind of compound net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated 150 parts of diatomite
30 parts of titanium dioxide
It is quick-acting to remove 5 parts of the aldehyde factor.
The preparation method of above-mentioned compound net aldehyde material：
Step 1：By quick-acting except the aldehyde factor is stirred in clear water to complete thawing, form quick-acting except aldehyde factor solutions；
Step 2：By quick-acting except aldehyde factor solutions are uniformly sprayed at non-calcinated diatomaceous surface, non-calcinated diatomite is allowed
Space absorb, then 120 DEG C of dry 20h；
Step 3：Drying product in step 2 is added with titanium dioxide and is well mixed in high speed dispersor at 150 DEG C,
Form compound net aldehyde material.
Embodiment 3：
A kind of compound net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated 180 parts of diatomite
35 parts of titanium dioxide
It is quick-acting to remove 8 parts of the aldehyde factor.
The preparation method of above-mentioned compound net aldehyde material：
Step 1：By quick-acting except the aldehyde factor is stirred in clear water to complete thawing, form quick-acting except aldehyde factor solutions；
Step 2：By quick-acting except aldehyde factor solutions are uniformly sprayed at non-calcinated diatomaceous surface, non-calcinated diatomite is allowed
Space absorb, then 150 DEG C of dry 18h；
Step 3：Drying product in step 2 is added with titanium dioxide and is well mixed in high speed dispersor at 150 DEG C,
Form compound net aldehyde material.
Embodiment 4：
A kind of compound net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated 200 parts of diatomite
40 parts of titanium dioxide
It is quick-acting to remove 10 parts of the aldehyde factor.
The preparation method of above-mentioned compound net aldehyde material：
Step 1：By quick-acting except the aldehyde factor is stirred in clear water to complete thawing, form quick-acting except aldehyde factor solutions；
Step 2：By quick-acting except aldehyde factor solutions are uniformly sprayed at non-calcinated diatomaceous surface, non-calcinated diatomite is allowed
Space absorb, then 130 DEG C of dry 20h；
Step 3：Drying product in step 2 is added with titanium dioxide and is well mixed in high speed dispersor at 140 DEG C,
Form compound net aldehyde material.
Embodiment 5：
A kind of compound net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated 300 parts of diatomite
50 parts of titanium dioxide
It is quick-acting to remove 10 parts of the aldehyde factor.
The preparation method of above-mentioned compound net aldehyde material：
Step 1：By quick-acting except the aldehyde factor is stirred in clear water to complete thawing, form quick-acting except aldehyde factor solutions；
Step 2：By quick-acting except aldehyde factor solutions are uniformly sprayed at non-calcinated diatomaceous surface, non-calcinated diatomite is allowed
Space absorb, then 140 DEG C of dry 20h；
Step 3：Drying product in step 2 is added with titanium dioxide and is well mixed in high speed dispersor at 150 DEG C,
Form compound net aldehyde material.
Comparative example 1：
A kind of net aldehyde material, is made up of each component of following parts by weight：
180 parts of calcined diatomite
35 parts of titanium dioxide
It is quick-acting to remove 8 parts of the aldehyde factor.
The preparation method of above-mentioned net aldehyde material：
Step 1：By quick-acting except the aldehyde factor is stirred in clear water to complete thawing, form quick-acting except aldehyde factor solutions；
Step 2：By the quick-acting surfaces that calcined diatomite is uniformly sprayed at except aldehyde factor solutions, allow non-calcinated diatomaceous
Space absorbs, then 150 DEG C of dry 18h；
Step 3：Drying product in step 2 is added with titanium dioxide and is well mixed in high speed dispersor at 150 DEG C,
Form net aldehyde material.
Comparative example 2：
A kind of net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated 180 parts of diatomite
35 parts of titanium dioxide.
The preparation method of above-mentioned net aldehyde material：
Non-calcinated diatomite is added with titanium dioxide and is well mixed in high speed dispersor at 150 DEG C, net aldehyde material is formed
Material.
Comparative example 3：
A kind of net aldehyde material, is made up of each component of following parts by weight：
Non-calcinated 180 parts of diatomite
35 parts of titanium dioxide
It is quick-acting to remove 8 parts of the aldehyde factor.
The preparation method of above-mentioned net aldehyde material：
Non-calcinated diatomite, quick-acting remove are mixed in the aldehyde factor and titanium dioxide addition high speed dispersor at 150 DEG C
It is even, form net aldehyde material.
Embodiment 6：
The present invention also provides a kind of compound net aldehyde coating, is made up of the component of following parts by weight：
Above-mentioned compound net aldehyde material is compound net aldehyde material prepared by embodiment 1.
Embodiment 7：
The present invention also provides a kind of compound net aldehyde coating, wherein compound net aldehyde material is the compound of the preparation of embodiment 2
Net aldehyde material, remaining component is same as Example 6.
Embodiment 8：
The present invention also provides a kind of compound net aldehyde coating, wherein compound net aldehyde material is the compound of the preparation of embodiment 3
Net aldehyde material, remaining component is same as Example 6.
Embodiment 9：
The present invention also provides a kind of compound net aldehyde coating, wherein compound net aldehyde material is the compound of the preparation of embodiment 4
Net aldehyde material, remaining component is same as Example 6.
Embodiment 10：
The present invention also provides a kind of compound net aldehyde coating, wherein compound net aldehyde material is the compound of the preparation of embodiment 5
Net aldehyde material, remaining component is same as Example 6.
Comparative example 4：
A kind of net aldehyde coating, wherein net aldehyde material is net aldehyde material prepared by comparative example 1, remaining component and the phase of embodiment 6
Together.
Comparative example 5：
A kind of net aldehyde coating, wherein net aldehyde material is net aldehyde material prepared by comparative example 2, remaining component and the phase of embodiment 6
Together.
Comparative example 6：
A kind of net aldehyde coating, wherein net aldehyde material is net aldehyde material prepared by comparative example 3, remaining component and the phase of embodiment 6
Together.
Aldehyde coating will be removed, by JC/T1074-2008《Function of purifying indoor air coating material purifying property》Described in side
Method carries out purifying formaldehyde experiment, detects the persistence and purifying formaldehyde performance of the clean-up effect of formaldehyde, the testing result such as institute of table 1
Show.
Table 1
As seen from the above table, the coating (embodiment 6-10) prepared using the compound net aldehyde material of the present invention, purifying formaldehyde
Performance reaches 100%, and purifying formaldehyde effect persistence reaches as high as 98%, and this is probably due to non-calcinated diatomite adsorption
A large amount of quick-acting net aldehyde factors and titanium dioxide, on the one hand, the quick-acting net aldehyde factors are not protected from environmental rapidly and efficiently to drop
Formaldehyde is solved, indoor formaldehyde is completely degraded in the short time；On the other hand, produced during quick-acting net aldehyde factor degradation of formaldehyde
Free radical, can titanium dioxide surface continue react so that titanium dioxide do not need ultraviolet irradiation condition under just can drop
Formaldehyde is solved, the purifying property of formaldehyde is further improved.
Compared with the net aldehyde material prepared using calcined diatomite (comparative example 1), because non-calcinated diatomite remains silicon
The natural functional characteristic of diatomaceous earth, its specific surface area bigger, porosity is higher, adsorption capacity is stronger so that it adsorbs more speed
Effect removes the aldehyde factor and titanium dioxide, and purifying formaldehyde effect is better than coating prepared by calcined diatomite；And non-calcinated diatomite sheet
Body can adsorb substantial amounts of formaldehyde, can further reduce the content of indoor formaldehyde.With prior art tripolite loading nano dioxy
Change titanium and compare (comparative example 2), due to which are added the quick-acting net aldehyde factors, can in starting stage rapidly and efficiently degradation of formaldehyde, and
It can be acted synergistically with titanium dioxide, further degradation of formaldehyde, and just can efficiently be dropped in the case where not needing ultraviolet irradiation condition
Solve formaldehyde.
With conventional mixed phase ratio (comparative example 3), by quick-acting except aldehyde factor lysate is sprayed at non-calcinated diatomaceous surface
Method, enable to quick-acting except the aldehyde factor is evenly distributed in non-calcinated diatomaceous space, it is to avoid subregion is non-
Calcined diatomite, except the aldehyde factor adsorbs the problem of reaching saturation, can utilize quick-acting except the characteristic of the aldehyde factor to greatest extent to quick-acting,
Improve the degradation property of formaldehyde.
To sum up, the more preferable non-calcinated diatomite of performance of the present invention, using its strong absorption property, is adsorbed substantial amounts of quick-acting
Except the aldehyde factor and titanium dioxide, net aldehyde effect is substantially improved；Simple in preparation process, production threshold is low, is easy to popularization.
The experiment lifted only is the preferably example of the present invention, the protection domain being not intended to limit the present invention.It should refer to
Go out, for those skilled in the art, on the premise of principle of the present invention is not departed from, can also make
Some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of compound net aldehyde material, it is characterised in that be made up of each component of following parts by weight：
Non-calcinated diatomite 500-700 parts
100-200 parts of titanium dioxide
It is quick-acting to remove 100-200 parts of the aldehyde factor.
2. compound net aldehyde material according to claim 1, it is characterised in that be made up of each component of following parts by weight：
Non-calcinated diatomite 600-700 parts
150-200 parts of titanium dioxide
It is quick-acting to remove 150-200 parts of the aldehyde factor.
3. compound net aldehyde material according to claim 2, it is characterised in that be made up of each component of following parts by weight：
Non-calcinated 700 parts of diatomite
150 parts of titanium dioxide
It is quick-acting to remove 150 parts of the aldehyde factor.
4. according to any described compound net aldehyde material of claims 1 to 3, it is characterised in that the titanium dioxide particle diameter is
1-30nm。
5. the preparation method of any described compound net aldehyde material of Claims 1-4, it is characterised in that including：
Step 1：By quick-acting except the aldehyde factor is stirred in clear water to complete thawing, form quick-acting except aldehyde factor solutions；
Step 2：By quick-acting except aldehyde factor solutions are uniformly sprayed at non-calcinated diatomaceous surface, non-calcinated diatomaceous sky is allowed
Gap absorbs, and is then dried under certain temperature；
Step 3：Drying product in step 2 is added with titanium dioxide and is well mixed at a certain temperature in high speed dispersor,
Form compound net aldehyde material.
6. the preparation method of compound net aldehyde material according to claim 5, it is characterised in that in the step 2, drying
Temperature is 100-150 DEG C, and drying time is 18-24h.
7. the preparation method of compound net aldehyde material according to claim 5, it is characterised in that in the step 3, mixing
Temperature is 120-150 DEG C.
8. a kind of compound net aldehyde coating, it is characterised in that including any described compound net aldehyde material of Claims 1-4.
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Application publication date: 20170822 |