CN104830161A - Diatomite coating capable of decomposing formaldehyde - Google Patents
Diatomite coating capable of decomposing formaldehyde Download PDFInfo
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Abstract
The invention discloses a diatomite coating capable of decomposing formaldehyde and relates to the field of coatings. The diatomite coating comprises the following components in percentage by mass: 5%-15% of titanium dioxide, 3%-10% of nano-titanium dioxide, 2%-8% of white carbon black, 1%-3% of nano-calcium carbonate, 2%-5% of nano-silicon dioxide, 6%-18% of nano-tungsten trioxide, 2%-8% of sepiolite material, 5%-7% of chitin, 3%-6% of graphene oxide, 0.5%-1.3% of mica powder, 1%-7% of nano-activated carbon, 0.1%-0.5% of a phthalocyanin compound and the balance of diatomite. The diatomite in the diatomite coating is capable of quickly decomposing organic compounds, purifying air and effectively improving the quality of indoor air; meanwhile, the indoor negative ion concentration can be increased, which is beneficial to the human body health.
Description
Technical field
The present invention relates to paint field, be specifically related to a kind of can the diatom ooze coating of decomposing formaldehyde.
Background technology
In the process of interior decoration, usual needs use a large amount of timber, paint, glue and coating, owing to containing a large amount of pollutents in timber, glue, paint and coating: formaldehyde, benzene and TVOC (total volatile organic compound), before householder moves in, usually adopt ventilate and place gac, the mode of green plants reduces the content of pollutent.
In the folder being sealed in timber due to pollutent and glue, short period of time is difficult to volatilization completely, after householder moves in, for preventing the pollution of ambient noise and dust, usually door and window is closed, live under the environment that ventilated environment is poor, now, the pollutent remained in timber, glue, paint and coating can directly evaporate in living environment, the health of harmful to human.
Diatomaceous main component is opal, and be rich in multiple beneficial mineral substance, quality is light and soft, and electron microscope display diatomaceous earth particle surface has countless small hole, and porosity reaches more than 90%, and specific surface area is up to 65m
2/ g, has stronger physical adsorption performance and ion-exchange performance, and meanwhile, diatomite also has good soundproof effect, and therefore, diatomite is typically used as the coating of environmental protection.
But pollutent can only be adsorbed in hole by diatomite itself, when external environment changes, pollutent can be escaped and is diffused in air from hole, is detrimental to health.
Application number be 201210311965.3 application for a patent for invention disclose a kind of Environment-friendlydiatom diatom emulsion interior wall decorative material and preparation method thereof, this material comprises diatomite 9% ~ 15%, attapulgite 6% ~ 10%, calcined kaolin 7% ~ 10%, titanium dioxide 1.7% ~ 3%, nano titanium oxide 0.2% ~ 0.4%, coarse whiting 5% ~ 9%, Walocel MT 20.000PV 0.3% ~ 0.4%, flow agent 0.3%, dispersion agent 0.3%, sanitas 0.3%, mould inhibitor 0.6% ~ 1.2%, redispersible latex powder 8% ~ 12%, all the other are distilled water, titanium dioxide is under illumination effect, can decomposing formaldehyde, with at present only by compared with diatomite adsorption, fundamentally can eliminate formaldehyde, secondary pollution can not be formed.
Ultraviolet due to indoor comes from the refraction of indoor daylight etc. and outdoor solar light, reflection and scattering, and cause indoor UV-light to be the UV-light of long-wave band, ability is lower, makes the speed of decomposing formaldehyde lower.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of can the diatom ooze coating of decomposing formaldehyde, improve and effectively utilize long-wave band UV-light, the speed of decomposing formaldehyde is very fast.
For reaching above object, the technical scheme that the present invention takes is: a kind of can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: by mass percentage, this diatom ooze coating comprises titanium dioxide 5% ~ 15%, nano titanium oxide 3% ~ 10%, white carbon black 2% ~ 8%, nano-calcium carbonate 1% ~ 3%, nano silicon 2% ~ 5%, nano tungsten trioxide 6% ~ 18%, sepiolite material 2% ~ 8%, chitin 5% ~ 7%, graphene oxide 3% ~ 6%, mica powder 0.5% ~ 1.3%, active carbon nanoparticles 1% ~ 7%, phthalocyanine compound 0.1% ~ 0.5%, surplus is diatom ooze.
On the basis of technique scheme, by mass percentage, this diatom ooze coating also comprises maifanite powder 3% ~ 5%, tourmaline powder 1% ~ 3%.
On the basis of technique scheme, by mass percentage, this diatom ooze coating comprises titanium dioxide 8% ~ 10%, nano titanium oxide 5% ~ 8%, white carbon black 4% ~ 6%, nano-calcium carbonate 2%, nano silicon 3% ~ 4%, nano tungsten trioxide 10% ~ 15%, sepiolite material 5% ~ 7%, maifanite powder 4%, tourmaline powder 2%, chitin 5% ~ 6%, graphene oxide 4% ~ 5%, mica powder 0.8% ~ 1.0%, active carbon nanoparticles 3% ~ 6%, phthalocyanine compound 0.2% ~ 0.4%, and surplus is diatom ooze.
On the basis of technique scheme, the granularity of described maifanite powder and tourmaline powder is 350 ~ 600 orders.
On the basis of technique scheme, the particle diameter of described nano titanium oxide is 4 ~ 10nm, and the particle diameter of nano tungsten trioxide is 2 ~ 6nm.
On the basis of technique scheme, the pH value of described diatom ooze coating is 4 ~ 7.
On the basis of technique scheme, described phthalocyanine compound is selected from the phthalocyanine compound of a kind of crystalline form in α, β, γ, ε, δ, π, ρ, A, B, X, Y and R.
On the basis of technique scheme, described phthalocyanine compound is phthalocyanine, metal-phthalocyanine, azepine phthalocyanine or metal-azepine phthalocyanine.
Compared with prior art, the invention has the advantages that:
(1) can the diatom ooze coating of decomposing formaldehyde in the present invention, comprise the titanium dioxide of 5% ~ 15%, the nano titanium oxide of 3% ~ 10% and 6% ~ 18% nano tungsten trioxide, nano tungsten trioxide can absorb the photon of visible region, carry out photocatalysis, avoid the speed of the effective constituent resolving harmful gas affecting diatom ooze because indoor UV-light is too weak, meanwhile, the cost of nano tungsten trioxide, lower than nano titanium oxide, can reduce the cost of diatom ooze coating.
(2) can the diatom ooze coating of decomposing formaldehyde in the present invention, comprise phthalocyanine compound, phthalocyanine compound can not only give that diatom ooze coating enriches, bright-coloured color and luster, and and electrostatic interaction can be passed through between titanium dioxide and nano titanium oxide, form mixture, and cause the electronic cloud on phthalocyanine compound to shift to titanium dioxide, the energy level of phthalocyanine compound is reduced, titanium dioxide is in higher energy level, now the fluorescence of phthalocyanine compound itself is by quencher, and mixture does not have fluorescence.
Simultaneously, when mixture can absorb the UV-light that energy is lower, wavelength is longer, titanium dioxide is made to produce electron-hole pair, because photo-induced hole is to having strong oxidizing property, the electronics in formaldehyde, benzene and other organic compound can be captured, catalysis organic compound is decomposed into oxygen G&W, reach the effect purified air, with in prior art doped with the speed comparatively slow phase ratio of the diatom ooze of titanium dioxide at indoor decomposing organic compounds, diatom ooze of the present invention can fast decoupled organic compound, purify air, effectively improve the quality of room air.
(3) can the diatom ooze coating of decomposing formaldehyde in the present invention, the efficiency removing formaldehyde in closed environment is 95% ~ 98%, the efficiency of removal benzene is 93% ~ 95%, remove the efficiency of ammonia is 93% ~ 96%, effectively can remove indoor obnoxious flavour, simultaneously, indoor negative ion concentration can be increased, be of value to HUMAN HEALTH.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
The embodiment of the present invention provide a kind of can the diatom ooze coating of decomposing formaldehyde, by mass percentage, this diatom ooze coating comprise titanium dioxide 5% ~ 15%, nano titanium oxide 3% ~ 10%, white carbon black 2% ~ 8%, nano-calcium carbonate 1% ~ 3%, nano silicon 2% ~ 5%, nano tungsten trioxide 6% ~ 18%, sepiolite material 2% ~ 8%, chitin 5% ~ 7%, graphene oxide 3% ~ 6%, mica powder 0.5% ~ 1.3%, active carbon nanoparticles 1% ~ 7%, phthalocyanine compound 0.1% ~ 0.5%, surplus is diatom ooze.
It is the maifanite powder of 3% ~ 5% and the tourmaline powder of 1% ~ 3% that this diatom ooze coating can also comprise mass percent.
In actual use, the composition of diatom ooze coating is selected according to actual needs, can be: by mass percentage, titanium dioxide 8% ~ 10%, nano titanium oxide 5% ~ 8%, white carbon black 4% ~ 6%, nano-calcium carbonate 2%, nano silicon 3% ~ 4%, nano tungsten trioxide 10% ~ 15%, sepiolite material 5% ~ 7%, maifanite powder 4%, tourmaline powder 2%, chitin 5% ~ 6%, graphene oxide 4% ~ 5%, mica powder 0.8% ~ 1.0%, active carbon nanoparticles 3% ~ 6%, phthalocyanine compound 0.2% ~ 0.4%, surplus is diatom ooze.
The pH value of this diatom ooze coating is 4 ~ 7, in diatom ooze coating, and the particle diameter of nano titanium oxide is 4 ~ 10nm, and the particle diameter of nano tungsten trioxide is 2 ~ 6nm, and the granularity of maifanite powder and tourmaline powder is 350 ~ 600 orders.
Phthalocyanine compound is selected from the phthalocyanine compound of a kind of crystalline form in α, β, γ, ε, δ, π, ρ, A, B, X, Y and R, and meanwhile, phthalocyanine compound can be phthalocyanine, metal-phthalocyanine, azepine phthalocyanine or metal-azepine phthalocyanine.
Can the diatom ooze coating of decomposing formaldehyde in the present invention, the efficiency removing formaldehyde in closed environment is 95% ~ 98%, remove that the efficiency of benzene is 93% ~ 95%, to remove the efficiency of ammonia be 93% ~ 96%.
Sepiolite material is the sepiolite fibre of sepiolite fibre, lithium ion or organic salt modification, and sepiolite material has larger specific surface area and adsorptive power.After diatom ooze containing sepiolite material is coated in surface of wall, formation coating, sepiolite material can fast by organic compounds adsorb such as the formaldehyde in air, benzene in coating, simultaneously, because the specific surface area of sepiolite material, diatom ooze and nano silicon is all larger, titanium dioxide can be increased, probability that nano titanium oxide contacts with the organic compound such as formaldehyde, benzene, and then improve the speed of the organic compound such as titanium dioxide, nano titanium oxide catalytic decomposition formaldehyde, benzene.
Phthalocyanine compound can not only be given diatom ooze coating and enrich, bright-coloured color and luster, and and electrostatic interaction can be passed through between titanium dioxide and nano titanium oxide, form mixture, electronic cloud in mixture on phthalocyanine compound shifts to titanium dioxide, the energy level of phthalocyanine compound is reduced, the energy level of titanium dioxide raises, now the fluorescence of phthalocyanine compound itself is by quencher, mixture does not have fluorescence, simultaneously, titanium dioxide is in higher energy level, the light wave that energy is lower can be absorbed, UV-light as longer in wavelength and near ultraviolet visible ray, titanium dioxide is made to produce electron-hole pair, because photo-induced hole is to having strong oxidizing property, formaldehyde can be captured, benzene and the electronics in other organic compound, catalysis organic compound is decomposed into oxygen G&W, reach the effect purified air, light wave due to indoor is mostly the longer UV-light of wavelength and near ultraviolet visible ray, the short UV light that energy is higher is less, therefore, with in prior art doped with the speed comparatively slow phase ratio of the diatom ooze of titanium dioxide at indoor decomposing organic compounds, diatom ooze of the present invention can fast decoupled organic compound, purify air, the quality of effective raising room air.
Silicon-dioxide can increase bonding strength and the clean surfaces ability of diatom ooze and body of wall, meanwhile, can improve the brightness of phthalocyanine compound, tone and saturation ratio, increases the aesthetic measure of diatom ooze.The water that water vapor in air and titanium dioxide photolysis produce can ionize by tourmaline powder, and anion releasing, improves the quality of room air; Maifanite powder can give off infrared light, is of value to HUMAN HEALTH, and meanwhile, maifanite powder has good flame retardant effect.
Below, by 5 embodiments, the present invention will be further described.
Embodiment 1
Diatom ooze coating in the present embodiment, by mass percentage, this diatom ooze coating comprises titanium dioxide 5%, nano titanium oxide 8%, white carbon black 5%, nano-calcium carbonate 2%, nano silicon 5%, nano tungsten trioxide 10%, maifanite powder 4%, tourmaline powder 2%, sepiolite material 6%, chitin 5%, graphene oxide 3%, mica powder 1%, active carbon nanoparticles 7%, phthalocyanine compound 0.5%, and surplus is diatom ooze.
The pH value of this diatom ooze coating is 4, and the particle diameter of nano titanium oxide is 5nm, and the particle diameter of nano tungsten trioxide is 4nm, granularity position 380 order of maifanite powder, and the granularity of tourmaline powder is 400 orders, and the crystalline form of phthalocyanine compound is alpha crystalline form.
Add proper amount of clear water in diatom ooze coating after, be coated to wooden boards surface, coating thickness is 2mm, and coated area is 9m
2, obtain being coated with flitch, be placed in airtight experimental situation by this painting flitch, the space size of this experimental situation is 85m
2in the content of benzene, ammonia and formaldehyde all simulate finishing after, environment that IAQ (indoor air quality) is lower, the illumination in the lighting simulation family room in experimental situation.
Ginseng is shown in Table 1, and the diatom ooze coating of the present embodiment, when intensity of illumination is more weak, effectively can remove indoor formaldehyde, benzene and ammonia.
The data being coated with flitch seven days and 15 days are put into known: the diatom ooze coating of the present embodiment is not by formaldehyde, benzene and ammonia gas absorption simply by adsorption in participation table 1, existing by after the absorption obnoxious flavoures such as pure diatomite, gac, obnoxious flavour can reach an adsorption equilibrium, after continuous placement, by the gas that adsorbs can from sorbing material desorption, evaporate in environment, cause the composition of obnoxious flavour in environment to increase.
And painting flitch is placed seven days to 15 days in the present embodiment, the content of the formaldehyde in experimental situation, benzene and ammonia continues to reduce, and can illustrate that the present embodiment is by decomposing formaldehyde, benzene and ammonia, instead of simply adsorb.
, can obtain by detecting meanwhile, adding and being coated with negative ion concentration after flitch in this room from 650,000/cm
3be increased to 2,200,000/cm
3, effectively improve Air quality.
The photocatalytic degradation efficiency of the diatom ooze coating PARA FORMALDEHYDE PRILLS(91,95) of table 1 embodiment 1, benzene, ammonia
Embodiment 2
Diatom ooze coating in the present embodiment, by mass percentage, this diatom ooze coating comprises titanium dioxide 10%, nano titanium oxide 3%, white carbon black 2%, nano-calcium carbonate 3%, nano silicon 4%, nano tungsten trioxide 18%, maifanite powder 3%, tourmaline powder 1%, sepiolite material 8%, chitin 7%, graphene oxide 6%, mica powder 0.5%, active carbon nanoparticles 1%, phthalocyanine compound 0.4%, and surplus is diatom ooze.
The pH value of this diatom ooze coating is 6, and the particle diameter of nano titanium oxide is 10nm, and the particle diameter of nano tungsten trioxide is 2nm, granularity position 500 order of maifanite powder, the granularity of tourmaline powder is 600 orders, and phthalocyanine compound is azepine-phthalocyanine, and its crystalline form is A crystalline form.
Add proper amount of clear water in diatom ooze coating after, be coated to wooden boards surface, coating thickness is 2.3mm, and coated area is 9m
2, obtain being coated with flitch, be placed in airtight experimental situation by this painting flitch, the space size of this experimental situation is 85m
2, the content of the benzene in this experimental situation, ammonia and formaldehyde all simulates the environment that finishing is rear, IAQ (indoor air quality) is lower, the illumination in the lighting simulation family room in experimental situation.
Ginseng is shown in Table 2, and the diatom ooze coating of the present embodiment, when intensity of illumination is more weak, effectively can remove indoor formaldehyde, benzene and ammonia.
The present embodiment adds and is coated with negative ion concentration after flitch in this room from 800,000/cm
3be increased to 2,400,000/cm
3, effectively improve Air quality.
The photocatalytic degradation efficiency of the diatom ooze coating PARA FORMALDEHYDE PRILLS(91,95) of table 2 embodiment 2, benzene, ammonia
Embodiment 3
Diatom ooze coating in the present embodiment, by mass percentage, this diatom ooze coating comprises titanium dioxide 15%, nano titanium oxide 10%, white carbon black 8%, nano-calcium carbonate 2%, nano silicon 2%, nano tungsten trioxide 6%, maifanite powder 5%, tourmaline powder 3%, sepiolite material 5%, chitin 6%, graphene oxide 3%, mica powder 1.3%, active carbon nanoparticles 7%, phthalocyanine compound 0.45%, and surplus is diatom ooze.
The pH value of this diatom ooze coating is 5, and the particle diameter of nano titanium oxide is 4nm, and the particle diameter of nano tungsten trioxide is 5nm, granularity position 600 order of maifanite powder, and the granularity of tourmaline powder is 550 orders, and phthalocyanine compound is metal-phthalocyanine, and its crystalline form is Y crystalline form.
Add proper amount of clear water in diatom ooze coating after, be coated to wooden boards surface, coating thickness is 2.5mm, and coated area is 9m
2, obtain being coated with flitch, be placed in airtight experimental situation by this painting flitch, the space size of this experimental situation is 85m
2, the content of the benzene in this experimental situation, ammonia and formaldehyde all simulates the environment that finishing is rear, IAQ (indoor air quality) is lower, the illumination in the lighting simulation family room in experimental situation.
Ginseng is shown in Table 3, and the diatom ooze coating of the present embodiment, when intensity of illumination is more weak, effectively can remove indoor formaldehyde, benzene and ammonia.
The photocatalytic degradation efficiency of the diatom ooze coating PARA FORMALDEHYDE PRILLS(91,95) of table 3 embodiment 3, benzene, ammonia
The present embodiment adds and is coated with negative ion concentration after flitch in this room from 700,000/cm
3be increased to 2,400,000/cm
3, effectively improve Air quality.
Embodiment 4
Diatom ooze coating in the present embodiment, by mass percentage, this diatom ooze coating comprises titanium dioxide 12%, nano titanium oxide 3%, white carbon black 5%, nano-calcium carbonate 3%, nano silicon 5%, nano tungsten trioxide 16%, maifanite powder 5%, tourmaline powder 3%, sepiolite material 7%, chitin 5%, graphene oxide 6%, mica powder 0.9%, active carbon nanoparticles 3%, phthalocyanine compound 0.3%, and surplus is diatom ooze.
The pH value of this diatom ooze coating is 5.9, and the particle diameter of nano titanium oxide is 6nm, and the particle diameter of nano tungsten trioxide is 3nm, granularity position 480 order of maifanite powder, the granularity of tourmaline powder is 590 orders, and phthalocyanine compound is metal-phthalocyanine, and its crystalline form is π crystalline form.
Add proper amount of clear water in diatom ooze coating after, be coated to wooden boards surface, coating thickness is 2.23mm, and coated area is 9m
2, obtain being coated with flitch, be placed in airtight experimental situation by this painting flitch, the space size of this experimental situation is 85m
2, the content of the benzene in this experimental situation, ammonia and formaldehyde all simulates the environment that finishing is rear, IAQ (indoor air quality) is lower, the illumination in the lighting simulation family room in experimental situation.
Ginseng is shown in Table 4, and the diatom ooze coating of the present embodiment, when intensity of illumination is more weak, effectively can remove indoor formaldehyde, benzene and ammonia.
The present embodiment adds and is coated with negative ion concentration after flitch in this room from 1,000,000/cm
3be increased to 2,600,000/cm
3, effectively improve Air quality.
The photocatalytic degradation efficiency of the diatom ooze coating PARA FORMALDEHYDE PRILLS(91,95) of table 4 embodiment 4, benzene, ammonia
Embodiment 5
Diatom ooze coating in the present embodiment, by mass percentage, this diatom ooze coating comprises titanium dioxide 7%, nano titanium oxide 8%, white carbon black 6%, nano-calcium carbonate 3%, nano silicon 4%, nano tungsten trioxide 18%, maifanite powder 4%, tourmaline powder 1%, sepiolite material 8%, chitin 7%, graphene oxide 4%, mica powder 0.7%, active carbon nanoparticles 7%, phthalocyanine compound 0.1%, and surplus is diatom ooze.
The pH value of this diatom ooze coating is 7, and the particle diameter of nano titanium oxide is 6nm, and the particle diameter of nano tungsten trioxide is 3nm, granularity position 480 order of maifanite powder, the granularity of tourmaline powder is 590 orders, and phthalocyanine compound is metal-azepine phthalocyanine, and its crystalline form is ρ crystalline form.
Add proper amount of clear water in diatom ooze coating after, be coated to wooden boards surface, coating thickness is 2.4mm, and coated area is 9m
2, obtain being coated with flitch, be placed in airtight experimental situation by this painting flitch, the space size of this experimental situation is 85m
2, the content of the benzene in this experimental situation, ammonia and formaldehyde all simulates the environment that finishing is rear, IAQ (indoor air quality) is lower, the illumination in the lighting simulation family room in experimental situation.
Ginseng is shown in Table 5, and the diatom ooze coating of the present embodiment, when intensity of illumination is more weak, effectively can remove indoor formaldehyde, benzene and ammonia.
The present embodiment adds and is coated with negative ion concentration after flitch in this room from 900,000/cm
3be increased to 1,500,000/cm
3, effectively improve Air quality.
The photocatalytic degradation efficiency of the diatom ooze coating PARA FORMALDEHYDE PRILLS(91,95) of table 5 embodiment 5, benzene, ammonia
Embodiment 6
Diatom ooze coating in the present embodiment, by mass percentage, this diatom ooze coating comprises titanium dioxide 7%, nano titanium oxide 8%, white carbon black 6%, nano-calcium carbonate 3%, nano silicon 4%, sepiolite material 8%, chitin 7%, graphene oxide 4%, mica powder 0.7%, active carbon nanoparticles 7%, surplus be diatom ooze.
The pH value of this diatom ooze coating is 7, and the particle diameter of nano titanium oxide is 6nm, and the particle diameter of nano tungsten trioxide is 3nm, granularity position 480 order of maifanite powder, the granularity of tourmaline powder is 590 orders, and phthalocyanine compound is metal-azepine phthalocyanine, and its crystalline form is ρ crystalline form.
Add proper amount of clear water in diatom ooze coating after, be coated to wooden boards surface, coating thickness is 2.4mm, and coated area is 9m
2, obtain being coated with flitch, be placed in airtight experimental situation by this painting flitch, the space size of this experimental situation is 85m
2, the content of the benzene in this experimental situation, ammonia and formaldehyde all simulates the environment that finishing is rear, IAQ (indoor air quality) is lower, the illumination in the lighting simulation family room in experimental situation.
Ginseng is shown in Table 6, and the diatom ooze coating of the present embodiment is when intensity of illumination is more weak, and when not having phthalocyanine compound and tungstic oxide, the efficiency that this diatom ooze coating removes indoor formaldehyde, benzene and ammonia is lower.
Negative ion concentration after the present embodiment adds painting flitch in this room does not have considerable change.
The photocatalytic degradation efficiency of the diatom ooze coating PARA FORMALDEHYDE PRILLS(91,95) of table 6 embodiment 6, benzene, ammonia
Embodiment 7
Diatom ooze coating in the present embodiment, by mass percentage, this diatom ooze coating comprises titanium dioxide 7%, nano titanium oxide 8%, white carbon black 6%, nano-calcium carbonate 3%, nano silicon 4%, nano tungsten trioxide 18%, maifanite powder 4%, tourmaline powder 1%, chitin 7%, graphene oxide 4%, mica powder 0.7%, active carbon nanoparticles 7%, phthalocyanine compound 0.1%, and surplus is diatom ooze.
The pH value of this diatom ooze coating is 7, and the particle diameter of nano titanium oxide is 6nm, and the particle diameter of nano tungsten trioxide is 3nm, granularity position 480 order of maifanite powder, the granularity of tourmaline powder is 590 orders, and phthalocyanine compound is metal-azepine phthalocyanine, and its crystalline form is ρ crystalline form.
Add proper amount of clear water in diatom ooze coating after, be coated to wooden boards surface, coating thickness is 2.4mm, and coated area is 9m
2, obtain being coated with flitch, be placed in airtight experimental situation by this painting flitch, the space size of this experimental situation is 85m
2, the content of the benzene in this experimental situation, ammonia and formaldehyde all simulates the environment that finishing is rear, IAQ (indoor air quality) is lower, the illumination in the lighting simulation family room in experimental situation.
Ginseng is shown in Table 7, and the diatom ooze coating of the present embodiment, when intensity of illumination is more weak, effectively can remove indoor formaldehyde, benzene and ammonia.
Compared with embodiment 5, do not add sepiolite material in the present embodiment, as shown in Table 7, the efficiency that the present embodiment removes obnoxious flavour significantly reduces, and therefore, adds sepiolite material and effectively can improve photocatalysis efficiency.
The present embodiment adds and is coated with negative ion concentration after flitch in this room from 900,000/cm
3be increased to 1,000,000/cm
3, lower than 1,501,000,000 in embodiment 5/cm
3, therefore, sepiolite material effectively can improve the efficiency that tourmalinite produces negative ion.
The photocatalytic degradation efficiency of the diatom ooze coating PARA FORMALDEHYDE PRILLS(91,95) of table 7 embodiment 7, benzene, ammonia
The present invention is not limited to above-mentioned embodiment, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this specification sheets belongs to the known prior art of professional and technical personnel in the field.
Claims (8)
1. one kind can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: by mass percentage, this diatom ooze coating comprises titanium dioxide 5% ~ 15%, nano titanium oxide 3% ~ 10%, white carbon black 2% ~ 8%, nano-calcium carbonate 1% ~ 3%, nano silicon 2% ~ 5%, nano tungsten trioxide 6% ~ 18%, sepiolite material 2% ~ 8%, chitin 5% ~ 7%, graphene oxide 3% ~ 6%, mica powder 0.5% ~ 1.3%, active carbon nanoparticles 1% ~ 7%, phthalocyanine compound 0.1% ~ 0.5%, and surplus is diatom ooze.
2. as claimed in claim 1 can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: by mass percentage, this diatom ooze coating also comprises maifanite powder 3% ~ 5%, tourmaline powder 1% ~ 3%.
3. as claimed in claim 2 can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: by mass percentage, this diatom ooze coating comprises titanium dioxide 8% ~ 10%, nano titanium oxide 5% ~ 8%, white carbon black 4% ~ 6%, nano-calcium carbonate 2%, nano silicon 3% ~ 4%, nano tungsten trioxide 10% ~ 15%, sepiolite material 5% ~ 7%, maifanite powder 4%, tourmaline powder 2%, chitin 5% ~ 6%, graphene oxide 4% ~ 5%, mica powder 0.8% ~ 1.0%, active carbon nanoparticles 3% ~ 6%, phthalocyanine compound 0.2% ~ 0.4%, surplus is diatom ooze.
4. as claimed in claim 2 can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: the granularity of described maifanite powder and tourmaline powder is 350 ~ 600 orders.
5. as claimed in claim 1 can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: the particle diameter of described nano titanium oxide is 4 ~ 10nm, the particle diameter of nano tungsten trioxide is 2 ~ 6nm.
6. as claimed in claim 1 can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: the pH value of described diatom ooze coating is 4 ~ 7.
7. as claimed in claim 1 can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: described phthalocyanine compound is selected from the phthalocyanine compound of a kind of crystalline form in α, β, γ, ε, δ, π, ρ, A, B, X, Y and R.
8. as claimed in claim 1 can the diatom ooze coating of decomposing formaldehyde, it is characterized in that: described phthalocyanine compound is phthalocyanine, metal-phthalocyanine, azepine phthalocyanine or metal-azepine phthalocyanine.
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| CN105271954A (en) * | 2015-11-06 | 2016-01-27 | 刘明珠 | Decorative material containing diatom ooze |
| CN105315814A (en) * | 2015-10-19 | 2016-02-10 | 青岛瑞利特新材料科技有限公司 | Graphene formaldehyde-resisting paint and preparing method thereof |
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| CN106111059A (en) * | 2016-07-07 | 2016-11-16 | 海南大学 | Activated carbon base is except formaldehyde materials and preparation method thereof |
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| CN106746950A (en) * | 2016-11-24 | 2017-05-31 | 哈尔滨澳宝硅藻新材料有限公司 | The diatom ooze material of formaldehyde in a kind of permanent purify air of sustainability |
| CN106905741A (en) * | 2017-03-29 | 2017-06-30 | 合肥天沃能源科技有限公司 | A kind of coating additive and preparation method |
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| CN107574949A (en) * | 2017-09-15 | 2018-01-12 | 河南工程学院 | It is a kind of that there is fire prevention, the spliced wall body structure of purification function and preparation method |
| CN107629675A (en) * | 2016-07-18 | 2018-01-26 | 青岛环秀涂料有限公司 | A kind of graphene diatom ooze sterilization is except aldehyde coating and preparation method thereof |
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| CN109096921A (en) * | 2018-08-01 | 2018-12-28 | 淮北庆丰涂料有限公司 | A kind of aqueous diatom ooze and preparation method thereof |
| CN109266053A (en) * | 2017-07-18 | 2019-01-25 | 杭州哈飞智慧科技有限公司 | A kind of tealeaves diatom ooze coating for indoor wall coating |
| CN109762402A (en) * | 2018-12-24 | 2019-05-17 | 长沙标朗住工科技有限公司 | A kind of air cleaning dry powder paint of changeable colour and its preparation method and application |
| CN111607282A (en) * | 2020-06-29 | 2020-09-01 | 上海心球蓝环保科技有限公司 | Preparation method and application of novel negative oxygen ion material |
| CN111704816A (en) * | 2020-06-29 | 2020-09-25 | 长沙标朗住工科技有限公司 | Long-acting slow-release bactericidal antiviral coating and preparation method and application thereof |
| CN111704815A (en) * | 2020-06-23 | 2020-09-25 | 安庆师范大学 | Diatom ooze coating capable of decomposing formaldehyde and preparation method thereof |
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| CN105315814A (en) * | 2015-10-19 | 2016-02-10 | 青岛瑞利特新材料科技有限公司 | Graphene formaldehyde-resisting paint and preparing method thereof |
| CN105271954A (en) * | 2015-11-06 | 2016-01-27 | 刘明珠 | Decorative material containing diatom ooze |
| CN105254925A (en) * | 2015-11-17 | 2016-01-20 | 太原市伦嘉生态健康家居科技有限公司 | Additive for energy health care foaming material and preparation method of additive |
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| CN106111059A (en) * | 2016-07-07 | 2016-11-16 | 海南大学 | Activated carbon base is except formaldehyde materials and preparation method thereof |
| CN106111059B (en) * | 2016-07-07 | 2018-09-04 | 海南大学 | Activated carbon base is except formaldehyde materials and preparation method thereof |
| CN107629675A (en) * | 2016-07-18 | 2018-01-26 | 青岛环秀涂料有限公司 | A kind of graphene diatom ooze sterilization is except aldehyde coating and preparation method thereof |
| CN106746950B (en) * | 2016-11-24 | 2019-02-19 | 哈尔滨澳宝硅藻新材料有限公司 | A kind of sustainability purifies the diatom ooze material of formaldehyde in air for a long time |
| CN106746950A (en) * | 2016-11-24 | 2017-05-31 | 哈尔滨澳宝硅藻新材料有限公司 | The diatom ooze material of formaldehyde in a kind of permanent purify air of sustainability |
| CN106700673B (en) * | 2016-12-21 | 2019-06-14 | 广州泰祥实业新材料科技（新丰）有限公司 | One kind is except aldehyde plant xanthan powder and preparation method thereof |
| CN106700673A (en) * | 2016-12-21 | 2017-05-24 | 广州泰祥实业新材料科技（新丰）有限公司 | Aldehyde-removing plant virgin rubber powder and preparation method thereof |
| CN106905741A (en) * | 2017-03-29 | 2017-06-30 | 合肥天沃能源科技有限公司 | A kind of coating additive and preparation method |
| CN109266053A (en) * | 2017-07-18 | 2019-01-25 | 杭州哈飞智慧科技有限公司 | A kind of tealeaves diatom ooze coating for indoor wall coating |
| CN107311522A (en) * | 2017-08-15 | 2017-11-03 | 安徽琦家科技股份有限公司 | A kind of environment-friendly diatom ooze nano composite material |
| CN107574949A (en) * | 2017-09-15 | 2018-01-12 | 河南工程学院 | It is a kind of that there is fire prevention, the spliced wall body structure of purification function and preparation method |
| CN108624152A (en) * | 2018-05-22 | 2018-10-09 | 唐山建华科技发展有限责任公司 | Multi-functional sealer agent of graphene-containing and preparation method thereof |
| CN109096921A (en) * | 2018-08-01 | 2018-12-28 | 淮北庆丰涂料有限公司 | A kind of aqueous diatom ooze and preparation method thereof |
| CN109762402A (en) * | 2018-12-24 | 2019-05-17 | 长沙标朗住工科技有限公司 | A kind of air cleaning dry powder paint of changeable colour and its preparation method and application |
| CN111704815A (en) * | 2020-06-23 | 2020-09-25 | 安庆师范大学 | Diatom ooze coating capable of decomposing formaldehyde and preparation method thereof |
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