CN108529963A - A kind of load nano-titanium dioxide building decoration diatom ooze and preparation method - Google Patents
A kind of load nano-titanium dioxide building decoration diatom ooze and preparation method Download PDFInfo
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- CN108529963A CN108529963A CN201810336941.0A CN201810336941A CN108529963A CN 108529963 A CN108529963 A CN 108529963A CN 201810336941 A CN201810336941 A CN 201810336941A CN 108529963 A CN108529963 A CN 108529963A
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
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Abstract
The present invention provides a kind of load nano-titanium dioxide building decoration diatom ooze and preparation methods.Smart diatomite is added in titanyl sulfate solution and stirs to get suspension, it is subsequently added into precipitating reagent, it is stirred to react production nanoscale metatitanic acid precipitation, filtration drying, and it grinds and obtains modified nano-titanium dioxide essence diatomite, to get load nano-titanium dioxide building decoration diatom ooze after being mixed with gypsum, white cement.This method direct synthesis nano titanium dioxide in diatomite surface and micropore by the chemical homogeneous precipitation method, gained nano-titanium dioxide particle diameter distribution is narrow, large specific surface area, the efficiency of light energy utilization is high, and photo-catalysis capability is strong, and dispersibility of the titanium dioxide in diatomite has been obviously improved it, the contact area with harmful substances such as formaldehyde is effectively increased, the decomposition efficiency of the harmful substances such as PARA FORMALDEHYDE PRILLS(91,95) is greatly improved, whole preparation process is simple, production cost is low, has a extensive future.
Description
Technical field
The present invention relates to inner wall of building decoration material fields, and in particular to the preparation of inner wall of building diatom ooze, especially
It is related to a kind of load nano-titanium dioxide building decoration diatom ooze and preparation method.
Background technology
It is the diatom ooze of main raw material(s) because of its superior performance using diatomite, is just appreciated having just enter into market, drawn
The great attention of people is played.Diatom ooze itself is that have eliminate formaldehyde, heat preservation, disconnected heat, prevent moisture condensation, damping, sound insulation, elimination
The effects that peculiar smell and craftsman make the wall material of artistic style, cause in many building scholars, Chevron Research Company (CRC), designer and look steadily extensively
Mesh.Then, the unique expressive force of diatom ooze and performance are received by high-end consumers rapidly, are widely used in numerous areas, with
That diatom ooze product is fast-developing, the application in the diatom ooze place such as inside and outside wall wall, ceiling is increasingly taken seriously.
In recent years, more extensive using diatomite as the application of the green inner wall decoration wall material of main raw material(s), with other materials
The research that material prepares composite material for decoration jointly is more and more, and wherein catalysis material is very important a kind of application.It grinds
Study carefully and show using nano-titanium dioxide the decomposable asymmetric choice net formaldehyde under photocatalysis, itself is simultaneously not involved in reaction, has long-term effect, will
The interior such as diatom ooze PARA FORMALDEHYDE PRILLS(91,95) that nano-titanium dioxide is formed after being combined with diatomite main harm substance has very strong absorption
Property and decomposition, can play continuing purge air, adjust humidity the effects that, currently, improve diatomite mixed with titanium dioxide
Dispersibility, improve purification ability of air become main research.
Chinese invention patent application number 201610205534.7 discloses a kind of Ag-carried nanometer titanium dioxide antimildew diatom ooze
And preparation method thereof, specifically：Ag-carried nanometer titanium dioxide is first made the pre- slurrying of 10 ~ 30wt%, then with 20 ~ 35wt% deionizations
Water, 0.8 ~ 3wt% antifreezing agents, 2 ~ 5wt% nanosilica solutions, 0.2 ~ 1.0wt% thickeners, 0.5 ~ 3wt% bentonites, 3 ~
15wt% titanium dioxides, 5 ~ 20wt% ashes calcium, 25 ~ 40wt% diatomite, 0.1 ~ 0.8wt% retarder, 0.1 ~ 2wt% ash calcium stable agent systems
At diatom ooze.Coating after the invention diatom ooze film forming can capture the oxygen radical of decomposed substance corruption and generate other peculiar smell
Alkanes molecule all has various bacteriums extremely strong killing ability, antimildew and antibacterial；Product does not have to Site, improves production
The homogeneity of product avoids dust pollution of the site operation stirring to environment；Silver-carrying nano material has very high surface-active,
It is compound with diatomaceous physisorption, hence it is evident that improve the mould proof ability of surface disinfection and indoor air purification effect of diatom ooze
Rate.
Chinese invention patent application number 201510328205.7 discloses a kind of environment-protecting and non-poisonous diatom ooze coating；Specific skill
Art scheme is：Photocatalyst diatom ooze includes following raw material, is specifically prepared according to following parts by weight：1 ~ 5 part of cellulose, natural plant gum
0.5 ~ 3 part of powder, 0.5 ~ 3 part of nano whisker silicon, 0.5 ~ 3 part of polyvinyl alcohol, 1 ~ 3 part of nano-titanium dioxide, 80 ~ 95 parts of diatomite,
The above raw material is sufficiently mixed rear finished product, the diatomite content of the invention is up to 90% or so, it is ensured that after coating spraying
Maximal absorptive capacity, by after noxious substance, decomposing harmful substances release the invention again after being converted into cleaned air,
Environment-protecting and non-poisonous, the invention is white powder, is practically free of formaldehyde, securely soft, not easily to fall off, cost performance after being adhered on wall
Height, it is easy for construction.
Chinese invention patent application number 201410839055.1 disclose it is a kind of be applied to degradation indoor formaldehyde, by biology
The preparation method of the coating of titanium dioxide-diatom ooze composite material that is prepared by template, having loaded photochemical catalyst, belongs to photocatalysis
Technical field of coatings.This experiment keeps the pattern of template with reagent method using cattail blade as template first, adds after processing
Products therefrom drying, calcining are obtained cattail leaf-titanium dioxide by the forerunner's precursor reactant for entering titanium after grinding.Simultaneously by diatomite original ore
Diatomite is obtained after fine processing；Again to after diatomite and cattail leaf-further fine processing of titanium dioxide to get one kind
The diatom ooze of load nano-titanium dioxide can be used for efficient absorption indoor formaldehyde, being prepared with biological template.The invention it is excellent
Point is that process is simple, and the composite material invented has efficient Photocatalytic activity to the formaldehyde adsorbed.
Chinese invention patent application number 201310628130.5 discloses a kind of Ecological diatom ooze decorative wall material, belongs to diatom
The development of mud decoration wall material and development technique field.It can be divided again by diatomite, inorganic pigment, calcined zeolite, ethene-vinyl acetate
Property rubber powder, attapulgite powder, tourmaline load nano-titanium dioxide, polyester fiber, adipic dihydrazide etc. is dissipated to mix.This
The primary functional components of invention are diatomite, because diatomite has porous structure, have the function of heat-insulation and heat-preservation, can make interior
The relative humidity in space is automatically adjusted in 40% ~ 70%.The anion tool that the tourmaline load nano-titanium dioxide of use generates
It is to compare table because it is with porous structure using calcined zeolite as aggregate to have sterilizing function, adsorbable resolving harmful gas
The big feature of area improves moisture adsorption and releasing and purifies the function of air.Using polyester fiber as anti-crack fiber, increase strong
Degree, improves anti-crack ability, and will not go mouldy.Use calcium perborate for fungicide, it is long-acting nontoxic.Solves existing decoration
Wall material there are the problem of.And method is simple, it is easy to implement.
According to above-mentioned, in existing scheme the production of the diatom ooze containing titanium dioxide carried out in a manner of physical mixed,
It is evenly dispersed in diatomite surface and micropore to cannot achieve nano-titanium dioxide, is thus also unable to give full play decomposing formaldehyde
Etc. harmful substances function.
Invention content
For the wider titanium dioxide diatom ooze that contains with physical admixture production of current application, there are titanium dioxide
The defects of specific surface area is small, particle diameter distribution is wide, bad dispersibility, and, PARA FORMALDEHYDE PRILLS(91,95) small with the contact area of the harmful substances such as formaldehyde
Etc. harmful substances decomposition efficiency it is low, the present invention proposes a kind of load nano-titanium dioxide building decoration diatom ooze and preparation side
Method has been obviously improved the decomposition efficiency of PARA FORMALDEHYDE PRILLS(91,95) etc. to effectively increase dispersibility of the nano-titanium dioxide in diatom ooze.
Specific technical solution of the present invention is as follows：
A kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, includes the following steps：
（1）30 ~ 35 parts by weight essence diatomite are added in the titanyl sulfate solution that 65 ~ 70 parts by weight mass concentrations are 20 ~ 30%,
Then with rotating speed 30 ~ 50min of magnetic agitation of 100 ~ 200r/min, uniform suspension is made；
（2）In 92 ~ 96 parts by weight steps（1）It is slowly added to 4 ~ 8 parts by weight precipitating reagents in suspension obtained, is stirred to react generation
Nanoscale metatitanic acid precipitates, and is uniformly attached in smart diatomite surface and micropore, filters, is then dried after reaction
Processing, converts nanoscale metatitanic acid to nano-titanium dioxide, modified nano-titanium dioxide essence diatomite is obtained after grinding；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance.
Preferably, step（1）The essence diatomite is purified through scouring or acidleach by natural diatomaceous earth and is made, porosity 90
~ 95%, oil absorbency is 120 ~ 140%, and water absorption rate is 350 ~ 400%.
Preferably, step（2）The precipitating reagent is urea.
Preferably, step（2）The speed that the precipitating reagent is added is 10 ~ 20g/min.
Preferably, step（2）It is 150 ~ 200r/min that the stirring, which uses magnetic agitation, mixing speed, and the reaction time is
60~80min。
Preferably, step（2）The temperature of the drying process is 150 ~ 200 DEG C, and drying time is 3 ~ 5h.
Preferably, step（2）One kind in glass mortar, iron mortar or aluminium oxide mortar, grinding can be used in the grinding
Grain diameter afterwards is 100 ~ 200 μm.
Preferably, step（3）In each parts by weight of raw materials be 58 ~ 67 parts by weight of modified nano-titanium dioxide essence diatomite, stone
5 ~ 10 parts by weight of cream, 28 ~ 32 parts by weight of white cement.
The present invention also provides a kind of load nano-titanium dioxide building decoration diatom oozes that above-mentioned preparation method is prepared.
It takes smart diatomite to put into titanyl sulfate solution and continues to stir, become uniform suspension, then delay
It is slow that precipitating reagent urea is added, occur to chemically react and generate nanoscale metatitanic acid precipitation in solution, is uniformly attached to smart diatomite
It in surface and micropore, waits for filtering after reaction, be dried and convert nano-metatitanic acid to nano-titanium dioxide, carry out appropriateness
Modified nano-titanium dioxide essence diatomite is made in grinding, is finally uniformly mixed with inorganic coagulation materials such as proper amount of gypsum, white cements
It obtains with the diatom ooze product for continuing the harmful substances such as adsorption-decomposition function formaldehyde.
The present invention provides a kind of load nano-titanium dioxide building decoration diatom ooze and preparation methods, with prior art phase
Than the feature and excellent effect protruded is：
1, the method for proposing to prepare load nano-titanium dioxide building decoration diatom ooze using the chemical homogeneous precipitation method.
2, nano-titanium dioxide particle diameter distribution obtained is narrow through the invention, large specific surface area, and the efficiency of light energy utilization is high, and light is urged
Change ability is strong, can effective catalytic degradation pollutants in air.
3, by the chemical homogeneous precipitation method in diatomite surface and micropore direct synthesis nano titanium dioxide, significantly carry
Dispersibility of the titanium dioxide in diatomite has been risen, the contact area with harmful substances such as formaldehyde has been effectively increased, greatly improves
The decomposition efficiency of the harmful substances such as PARA FORMALDEHYDE PRILLS(91,95).
4, preparation process of the invention is simple, and production cost is low, has a extensive future.
Specific implementation mode
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
Preparation process is：
（1）By 34 parts by weight essence diatomite be added 66 parts by weight mass concentrations be 26% titanyl sulfate solution in, then with
Uniform suspension is made in the rotating speed magnetic agitation 40min of 160r/min；Smart diatomite is by natural diatomaceous earth through cleaning purification system
；
（2）In 94 parts by weight steps（1）It is slowly added to 6 parts by weight precipitating reagents in suspension obtained, is stirred to react generation nanometer
Grade metatitanic acid precipitation, filters, processing is then dried, modified nano-titanium dioxide essence diatom is obtained after grinding after reaction
Soil；Precipitating reagent is urea；The speed that precipitating reagent is added is 16g/min；Stirring uses magnetic agitation, mixing speed 170r/
Min, reaction time 70min；The temperature of drying process is 180 DEG C, drying time 4h；Grinding uses glass mortar, grinding
Average particle size afterwards is 160 μm；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance；In diatom ooze product, 63 weight of modified nano-titanium dioxide essence diatomite
Part, 8 parts by weight of gypsum, 29 parts by weight of white cement.
Embodiment 2
Preparation process is：
（1）By 30 parts by weight essence diatomite be added 70 parts by weight mass concentrations be 20% titanyl sulfate solution in, then with
Uniform suspension is made in the rotating speed magnetic agitation 50min of 100r/min；Smart diatomite is purified through acidleach by natural diatomaceous earth and is made
；
（2）In 92 parts by weight steps（1）It is slowly added to 8 parts by weight precipitating reagents in suspension obtained, is stirred to react generation nanometer
Grade metatitanic acid precipitation, filters, processing is then dried, modified nano-titanium dioxide essence diatom is obtained after grinding after reaction
Soil；Precipitating reagent is urea；The speed that precipitating reagent is added is 10g/min；Stirring uses magnetic agitation, mixing speed 150r/
Min, reaction time 80min；The temperature of drying process is 150 DEG C, drying time 5h；Grinding uses iron mortar, after grinding
Average particle size be 100 μm；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance；In diatom ooze product, 67 weight of modified nano-titanium dioxide essence diatomite
Part, 5 parts by weight of gypsum, 28 parts by weight of white cement.
Embodiment 3
Preparation process is：
（1）By 35 parts by weight essence diatomite be added 65 parts by weight mass concentrations be 30% titanyl sulfate solution in, then with
Uniform suspension is made in the rotating speed magnetic agitation 30min of 200r/min；Smart diatomite is by natural diatomaceous earth through cleaning purification system
；
（2）In 96 parts by weight steps（1）It is slowly added to 4 parts by weight precipitating reagents in suspension obtained, is stirred to react generation nanometer
Grade metatitanic acid precipitation, filters, processing is then dried, modified nano-titanium dioxide essence diatom is obtained after grinding after reaction
Soil；Precipitating reagent is urea；The speed that precipitating reagent is added is 20g/min；Stirring uses magnetic agitation, mixing speed 200r/
Min, reaction time 60min；The temperature of drying process is 200 DEG C, drying time 3h；Grinding uses aluminium oxide mortar, grinds
Average particle size after mill is 200 μm；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance；In diatom ooze product, 58 weight of modified nano-titanium dioxide essence diatomite
Part, 10 parts by weight of gypsum, 32 parts by weight of white cement.
Embodiment 4
Preparation process is：
（1）By 31 parts by weight essence diatomite be added 69 parts by weight mass concentrations be 22% titanyl sulfate solution in, then with
Uniform suspension is made in the rotating speed magnetic agitation 45min of 120r/min；Smart diatomite is purified through acidleach by natural diatomaceous earth and is made
；
（2）In 93 parts by weight steps（1）It is slowly added to 7 parts by weight precipitating reagents in suspension obtained, is stirred to react generation nanometer
Grade metatitanic acid precipitation, filters, processing is then dried, modified nano-titanium dioxide essence diatom is obtained after grinding after reaction
Soil；Precipitating reagent is urea；The speed that precipitating reagent is added is 12g/min；Stirring uses magnetic agitation, mixing speed 160r/
Min, reaction time 75min；The temperature of drying process is 160 DEG C, drying time 5h；Grinding uses glass mortar, grinding
Average particle size afterwards is 130 μm；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance；In diatom ooze product, 564 weight of modified nano-titanium dioxide essence diatomite
Part, 6 parts by weight of gypsum, 30 parts by weight of white cement.
Embodiment 5
Preparation process is：
（1）By 34 parts by weight essence diatomite be added 66 parts by weight mass concentrations be 28% titanyl sulfate solution in, then with
Uniform suspension is made in the rotating speed magnetic agitation 35min of 180r/min；Smart diatomite is by natural diatomaceous earth through cleaning purification system
；
（2）In 95 parts by weight steps（1）It is slowly added to 5 parts by weight precipitating reagents in suspension obtained, is stirred to react generation nanometer
Grade metatitanic acid precipitation, filters, processing is then dried, modified nano-titanium dioxide essence diatom is obtained after grinding after reaction
Soil；Precipitating reagent is urea；The speed that precipitating reagent is added is 18g/min；Stirring uses magnetic agitation, mixing speed 190r/
Min, reaction time 65min；The temperature of drying process is 190 DEG C, drying time 3h；Grinding uses iron mortar, after grinding
Average particle size be 180 μm；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance；In diatom ooze product, 61 weight of modified nano-titanium dioxide essence diatomite
Part, 8 parts by weight of gypsum, 31 parts by weight of white cement.
Embodiment 6
Preparation process is：
（1）By 33 parts by weight essence diatomite be added 67 parts by weight mass concentrations be 25% titanyl sulfate solution in, then with
Uniform suspension is made in the rotating speed magnetic agitation 40min of 150r/min；Smart diatomite is purified through acidleach by natural diatomaceous earth and is made
；
（2）In 94 parts by weight steps（1）It is slowly added to 6 parts by weight precipitating reagents in suspension obtained, is stirred to react generation nanometer
Grade metatitanic acid precipitation, filters, processing is then dried, modified nano-titanium dioxide essence diatom is obtained after grinding after reaction
Soil；Precipitating reagent is urea；The speed that precipitating reagent is added is 15g/min；Stirring uses magnetic agitation, mixing speed 180r/
Min, reaction time 70min；The temperature of drying process is 180 DEG C, drying time 4h；Grinding uses aluminium oxide mortar, grinds
Average particle size after mill is 150 μm；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance；In diatom ooze product, 62 weight of modified nano-titanium dioxide essence diatomite
Part, 8 parts by weight of gypsum, 30 parts by weight of white cement.
Comparative example 1
（1）In the titanyl sulfate solution for being 25% by 67 parts by weight mass concentrations, then with the rotating speed magnetic agitation of 150r/min
Uniform suspension is made in 40min；
（2）In 94 parts by weight steps（1）It is slowly added to 6 parts by weight precipitating reagents in suspension obtained, is stirred to react generation nanometer
Grade metatitanic acid precipitation, filters, processing is then dried after reaction, and the grinding of 33 parts by weight essence diatomite is then added, grinds
Modified nano-titanium dioxide essence diatomite is obtained after mill；Precipitating reagent is urea；The speed that precipitating reagent is added is 15g/min；Stirring
Using magnetic agitation, mixing speed 180r/min, reaction time 70min；The temperature of drying process is 180 DEG C, when dry
Between be 4h；, using aluminium oxide mortar, the average particle size after grinding is 150 μm for grinding；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance；In diatom ooze product, 62 weight of modified nano-titanium dioxide essence diatomite
Part, 8 parts by weight of gypsum, 30 parts by weight of white cement.
Test method is：
By the diatom ooze even application containing nano-titanium dioxide made from embodiment 1-6, comparative example 1 in the closing room containing formaldehyde
Between interior wall（Coating average thickness is 1.5mm）, it is dense using formaldehyde under the conditions of intensity of illumination is the radiation of visible light of 20000Lux
Degree tester measure respectively original state, 1h, 12h, for 24 hours when concentration of formaldehyde.Such as table 1.
Table 1：
| Performance indicator | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example 1 |
| Initial concentration of formaldehyde（mg/m3） | 10.2 | 10.1 | 10.0 | 10.2 | 10.3 | 10.1 | 10.2 |
| Concentration of formaldehyde after 1h（mg/m3） | 5.1 | 4.9 | 4.8 | 4.6 | 5.1 | 4.9 | 8.9 |
| Concentration of formaldehyde after 12h（mg/m3） | 1.8 | 1.3 | 1.4 | 1.5 | 1.4 | 1.4 | 7.8 |
| N concentration of formaldehyde after for 24 hours（mg/m3） | 0.3 | 0.2 | 0.4 | 0.6 | 0.3 | 0.2 | 6.9 |
Claims (9)
1. a kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, which is characterized in that include the following steps：
（1）30 ~ 35 parts by weight essence diatomite are added in the titanyl sulfate solution that 65 ~ 70 parts by weight mass concentrations are 20 ~ 30%,
Then with rotating speed 30 ~ 50min of magnetic agitation of 100 ~ 200r/min, uniform suspension is made；
（2）In 92 ~ 96 parts by weight steps（1）It is slowly added to 4 ~ 8 parts by weight precipitating reagents in suspension obtained, is stirred to react generation
Nanoscale metatitanic acid precipitates, and is uniformly attached in smart diatomite surface and micropore, filters, is then dried after reaction
Processing, converts nanoscale metatitanic acid to nano-titanium dioxide, modified nano-titanium dioxide essence diatomite is obtained after grinding；
（3）By step（2）Modified nano-titanium dioxide essence diatomite obtained be uniformly mixed with gypsum, white cement to get with
Continue the diatom ooze product of adsorption-decomposition function harmful substance.
2. a kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, feature exist according to claim 1
In：Step（1）The essence diatomite is purified through scouring or acidleach by natural diatomaceous earth and is made, and porosity is 90 ~ 95%, oil absorbency
It is 120 ~ 140%, water absorption rate is 350 ~ 400%.
3. a kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, feature exist according to claim 1
In：Step（2）The precipitating reagent is urea.
4. a kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, feature exist according to claim 1
In：Step（2）The speed that the precipitating reagent is added is 10 ~ 20g/min.
5. a kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, feature exist according to claim 1
In：Step（2）It is 150 ~ 200r/min that the stirring, which uses magnetic agitation, mixing speed, and the reaction time is 60 ~ 80min.
6. a kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, feature exist according to claim 1
In：Step（2）The temperature of the drying process is 150 ~ 200 DEG C, and drying time is 3 ~ 5h.
7. a kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, feature exist according to claim 1
In：Step（2）One kind in glass mortar, iron mortar or aluminium oxide mortar, the grain diameter after grinding can be used in the grinding
It is 100 ~ 200 μm.
8. a kind of preparation method of load nano-titanium dioxide building decoration diatom ooze, feature exist according to claim 1
In：Step（3）In each parts by weight of raw materials be 58 ~ 67 parts by weight of modified nano-titanium dioxide essence diatomite, 5 ~ 10 weight of gypsum
Part, 28 ~ 32 parts by weight of white cement.
9. a kind of load nano-titanium dioxide building decoration diatom that any one of claim 1 ~ 8 preparation method is prepared
Mud.
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| CN116606560A (en) * | 2023-07-01 | 2023-08-18 | 山东圣元华成纳米材料有限公司 | Preparation method of diatom shale interior wall coating |
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