CN108929610A - A kind of modifying titanium dioxide-polyacrylate composite board formaldehyde sealer and preparation method thereof - Google Patents
A kind of modifying titanium dioxide-polyacrylate composite board formaldehyde sealer and preparation method thereof Download PDFInfo
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- CN108929610A CN108929610A CN201810178677.2A CN201810178677A CN108929610A CN 108929610 A CN108929610 A CN 108929610A CN 201810178677 A CN201810178677 A CN 201810178677A CN 108929610 A CN108929610 A CN 108929610A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
A kind of modifying titanium dioxide-polyacrylate composite board formaldehyde sealer and preparation method thereof, the method includes titanium dioxide surface modification steps and modifying titanium dioxide-polyacrylate recombination reaction step.Anatase titania is introduced into polyacrylate dispersion, titanium dioxide/Polyacrylate Composites are prepared, obtains superior comprehensive performance using the synergistic effect of the two.The material, which can form almost transparent, fine and close film in plate surface, has good adhesion, permeability to the substance of low-surface-energy due to the flexibility of polymer film, can prevent the release of formaldehyde gas in plate surface；And with formaldehyde gas light-catalyzed reaction can occur for titanium dioxide, completely remove pernicious gas.
Description
Technical field
The present invention relates to a kind of titanium dioxide-Polyacrylate Composites field, be related to removing formaldehyde materials and its
Preparation method is suitable for the fields such as building coating, paint.
Background technique
With the improvement of living standards, requirement of the people to living environment is higher and higher, house decoration, furniture update etc. are more
Come more frequent.Some researches show that in renovated no plate furniture room, formaldehyde is more than one times, still, there is plate furniture
Same room, formaldehyde is more than 7 times.Formaldehyde in plate is in the solidification process of mask-making technology, partial linear tree
The not formed reticular structure of rouge discharges outward to resolve into free formaldehyde, and partially cured incomplete resin divides under certain condition
Solution dissipates outward at free formaldehyde.Deenergized period was as long as the several years.Human body is chronically at formaldehyde gas, to respiratory system,
Immune system, nervous system etc. cause huge harm, and seriously affect health.The formaldehyde removed in plate has been very severe ask
Topic.
With TiO2The sealing effect of/Polyacrylate Composites and its PARA FORMALDEHYDE PRILLS(91,95) gas, the research of removal effect are opposite
It is less.Many researchers are dedicated to the research of polyacrylate-inorganic composite materials, mostly with SiO2For research object, and infuse
Weight SiO2Etc. promotion of the inorganic material to performances such as the hydrophobicitys, heat resistance, weatherability of lotion itself.However SiO2Not to first
The capacity of decomposition of aldehyde limits its application in coating furnishing fields.
It is known in the art that anatase titania is as a kind of photochemical catalyst, harmful gas such as energy oxidative degradation formaldehyde, toluene
Body, and it is finally degraded to CO2And H2O etc. harmless substance has many advantages, such as photocatalytic activity height, chemical property.Polypropylene
Acid esters lotion not only has many advantages, such as that environment friendly and pollution-free, reaction condition is mild, raw material sources are extensive using water as decentralized medium.And
And there is excellent film forming, cementability, weatherability, it is widely used in automobile, electronic apparatus, building, books, leather, fabric
Etc. various fields.Usually TiO 2 particles are added in solution in the prior art, use polyacrylate as dispersing agent or
Binder mixes other additives as the function solution for removing formaldehyde.However titanium dioxide is dispersed in above-mentioned solution, and it is poly-
Acrylate is admixture, is easy to fall off.As the formaldehyde sealer sold currently on the market is mostly water solubility, no
One layer of dense film can be formed in substrate surface, although the concentration of formaldehyde of environment can be reduced temporarily, a period of time can go out later
Existing rebound phenomena.Water-soluble liquid brush will cause deformation on plate, influences beautiful and uses.
Therefore, anatase titania is introduced into polyacrylate dispersion, it is compound prepares titanium dioxide/polyacrylate
Material, titanium dioxide fixation, film even compact obtain superior comprehensive performance using the synergistic effect of the two, use
It is of great significance in formaldehyde removal in plate, also complies with the demand of existing market, with good application prospect.
Summary of the invention
It is compound the purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of modifying titanium dioxide-polyacrylate
Plate formaldehyde sealer and preparation method thereof.
The present invention adopts the following technical scheme that：
A kind of modifying titanium dioxide-polyacrylate composite board formaldehyde sealer, the modifying titanium dioxide-are poly-
Acrylate is the inorganic-organic composite material of the modified titanium dioxide in surface and polyacrylate chemical bonding.
Above-mentioned modifying titanium dioxide-polyacrylate composite board formaldehyde sealer preparation method, the method packet
Include titanium dioxide surface modification step and modifying titanium dioxide-polyacrylate recombination reaction step.
Above-mentioned titanium dioxide surface modification step is：The silane coupling agent for weighing certain mass deal is dissolved in organic solvent
In, 5min is stirred, adjusts solution ph to neutrality with dilute hydrochloric acid or ammonium hydroxide；The titanium dioxide powder of certain mass deal is added later
Body is placed in water-bath, carries out back flow reaction 0.5-5h；System cooled to room temperature after reaction is put into baking oven later
100 DEG C are dried, and after natural cooling, obtain modifying titanium dioxide；Wherein the silane coupled dosage is titanium dioxide powder
The 0.5-5wt% of body dosage.
Above-mentioned modifying titanium dioxide-polyacrylate recombination reaction step is：Weigh 0.5-10 mass parts dodecyl sulphur
Sour sodium, 0.5-5 mass parts nonylphenol polyoxyethylene ether, 50-500 mass parts deionized water, 150 mass parts methyl methacrylates
Ester, 350 mass parts butyl acrylates and 50 mass parts acrylic acid are dispersed at revolving speed 2500rpm with high shear homogeneous emulsifying machine
15min prepares pre-emulsion；Take 1/4 pre-emulsion that the modifying titanium dioxide is added, with high shear homogeneous emulsifying machine in revolving speed
Disperse 10min under 2500rpm, be heated to 70 DEG C of heat preservations, the persulfate that 200 mass parts 0.5%-3% are then added is water-soluble
Liquid is gradually heated to 80 DEG C, insulation reaction 2h；Then remaining 3/4 pre-emulsion is added dropwise in reaction solution, is added simultaneously
200 mass parts, 1% persulfate aqueous solution；Then system is warming up to 85 DEG C, reacts 2h；Finally material is cooled to room temperature,
The pH of composite material is adjusted to neutrality with ammonium hydroxide, obtains target product.
Above-mentioned silane coupling agent includes：3-aminopropyltriethoxysilane, glycidyl ether oxygen propyl trimethoxy silicon
Alkane, methacryloxypropyl trimethoxy silane.
Above-mentioned organic solvent is one of alcohols solvent, including ethyl alcohol, glycerine, n-butanol or a variety of.
Above-mentioned methyl methacrylate：Butyl acrylate：The mass ratio of acrylic acid is 0.5-5：1-10：0.5-3.
Above-mentioned persulfate includes one of potassium peroxydisulfate, ammonium persulfate, sodium peroxydisulfate or a variety of, the persulfate
Concentration is 1%.
Above-mentioned reflux time is 3h, and the drying time is that for 24 hours, the organic solvent is ethyl alcohol, and the silane is even
Connection agent is methacryloxypropyl trimethoxy silane.
Above-mentioned lauryl sodium sulfate dosage is 6 mass parts, the nonylphenol polyoxyethylene ether dosage is 3 mass parts, institute
Stating deionized water dosage is 300 mass parts.
By the above-mentioned description of this invention it is found that being compared with the prior art, the beneficial effects of the invention are as follows：
Anatase titania is introduced into polyacrylate dispersion by the present invention, and it is multiple to prepare titanium dioxide/polyacrylate
Condensation material obtains superior comprehensive performance using the synergistic effect of the two.The material can form almost transparent in plate surface
, fine and close film have good adhesion, permeability to the substance of low-surface-energy, in plate due to the flexibility of polymer film
Surface can prevent the release of formaldehyde gas；And with formaldehyde gas light-catalyzed reaction can occur for titanium dioxide, completely remove nocuousness
Gas.
Present invention incorporates photochemical catalyst titanium dioxide remove formaldehyde feature, polyacrylate have excellent film forming,
Cementability, weatherability, the Common advantages of the two have synthesized plate special-purpose formaldehyde sealer, form fine and close film with plate surface,
Form aldehyde release is prevented, while being reacted with the formaldehyde to dissociate in air, indoor formaldehyde is reduced.
Detailed description of the invention：
Fig. 1 is modifying titanium dioxide-polyacrylate composite board formaldehyde sealer formaldehyde adsorption burst size and right
Than the test curve of test.
Specific embodiment：
Below by way of specific embodiment, the present invention will be further described.
Embodiment 1
Modifying titanium dioxide-polyacrylate composite board the preparation method of formaldehyde sealer, includes the following steps：
The modification of titanium dioxide：Weigh 1 mass parts silane coupling agent (dosage is the 0.5% of titanium dioxide powder weight)
In alcohol solvent, 5min is stirred, adjusts solution ph to neutrality with dilute hydrochloric acid or ammonium hydroxide.100 mass parts titanium dioxide are added
Powder (P25, commercially available), is placed in water-bath, back flow reaction 0.5h.System is cooled to room temperature after reaction, is put into 100 in baking oven
It is DEG C dry for 24 hours.Obtain modified titanium dioxide powder.
Titanium dioxide/Polyacrylate Composites：
Pre-emulsion：Weigh 0.5 mass parts lauryl sodium sulfate, 0.5 mass parts nonylphenol polyoxyethylene ether, 50 matter
Part deionized water, 150 mass parts methyl methacrylates, 350 mass parts butyl acrylates and 50 mass parts acrylic acid are measured, are used
High shear homogeneous emulsifying machine revolving speed 2500rpm disperses 15min.
It takes 1/4 pre-emulsion that modifying titanium dioxide is added, is dispersed with high shear homogeneous emulsifying machine revolving speed 2500rpm
10min, is heated to 70 DEG C, and 200 mass parts, 1% persulfate aqueous solution is then added, is gradually heated to 80 DEG C, insulation reaction
2h。
Remaining 3/4 pre-emulsion is added dropwise in above-mentioned reaction, while it is water-soluble that 200 mass parts, 1% persulfate is added
Liquid；Then system is warming up to 85 DEG C, reacts 2h.Finally, material is cooled to room temperature, the pH of composite material is adjusted with ammonium hydroxide
To neutrality.
Embodiment 2
Modifying titanium dioxide-polyacrylate composite board the preparation method of formaldehyde sealer, includes the following steps：
The modification of titanium dioxide：Weigh 1 mass parts silane coupling agent the 1% of titanium dioxide powder weight (dosage be) in
In alcohol solvent, 5min is stirred, adjusts solution ph to neutrality with dilute hydrochloric acid or ammonium hydroxide.100 mass parts titanium dioxide powders are added
Body (P25, commercially available), is placed in water-bath, back flow reaction 3h.System is cooled to room temperature after reaction, is put into baking oven and is done for 100 DEG C
It is dry for 24 hours.Obtain modified titanium dioxide powder.
Titanium dioxide/Polyacrylate Composites：
Pre-emulsion：Weigh 6 mass parts lauryl sodium sulfate, 3 mass parts nonylphenol polyoxyethylene ether, 300 mass parts
Deionized water, 150 mass parts methyl methacrylates, 350 mass parts butyl acrylates and 50 mass parts acrylic acid, use high shear
Homogeneous emulsifying machine revolving speed 2500rpm disperses 15min.
It takes 1/4 pre-emulsion that modifying titanium dioxide is added, is dispersed with high shear homogeneous emulsifying machine revolving speed 2500rpm
10min, is heated to 70 DEG C, and 200 mass parts, 1% persulfate aqueous solution is then added, is gradually heated to 80 DEG C, insulation reaction
2h。
Remaining 3/4 pre-emulsion is added dropwise in above-mentioned reaction, while it is water-soluble that 200 mass parts, 1% persulfate is added
Liquid；Then system is warming up to 85 DEG C, reacts 2h.Finally, material is cooled to room temperature, the pH of composite material is adjusted with ammonium hydroxide
To neutrality.
Embodiment 3
Modifying titanium dioxide-polyacrylate composite board the preparation method of formaldehyde sealer, includes the following steps：
The modification of titanium dioxide：Weigh 1 mass parts silane coupling agent the 5% of titanium dioxide powder weight (dosage be) in
In alcohol solvent, 5min is stirred, adjusts solution ph to neutrality with dilute hydrochloric acid or ammonium hydroxide.100 mass parts titanium dioxide powders are added
Body (P25, commercially available), is placed in water-bath, back flow reaction 5h.System is cooled to room temperature after reaction, is put into baking oven and is done for 100 DEG C
It is dry for 24 hours.Obtain modified titanium dioxide powder.
Titanium dioxide/Polyacrylate Composites：
Pre-emulsion：Weigh 10 mass parts lauryl sodium sulfate, 5 mass parts nonylphenol polyoxyethylene ether, 500 mass
Part deionized water, 150 mass parts methyl methacrylates, 350 mass parts butyl acrylates and 50 mass parts acrylic acid, are cut with height
Cut homogeneous emulsifying machine revolving speed 2500rpm dispersion 15min.
It takes 1/4 pre-emulsion that modifying titanium dioxide is added, is dispersed with high shear homogeneous emulsifying machine revolving speed 2500rpm
10min, is heated to 70 DEG C, and 200 mass parts, 1% persulfate aqueous solution is then added, is gradually heated to 80 DEG C, insulation reaction
2h。
Remaining 3/4 pre-emulsion is added dropwise in above-mentioned reaction, while it is water-soluble that 200 mass parts, 1% persulfate is added
Liquid；Then system is warming up to 85 DEG C, reacts 2h.Finally, material is cooled to room temperature, the pH of composite material is adjusted with ammonium hydroxide
To neutrality.
Embodiment 4
With any modifying titanium dioxide of embodiment 1-3-polyacrylate composite board formaldehyde sealer, sample is carried out
Except the experiment of formaldehyde.
Experimental provision：The glass Laboratory Module of 125cm*80cm*100cm, center are placed the fan that power is 15W, are taken
Fan 15min is first opened when sample, to gas mixing uniform sampling.
Experiment condition：20 ± 2 DEG C of temperature, relative humidity 50 ± 10%.The concentration determination of sampling method and formaldehyde presses GB/
T16129 uses AHMT spectrophotometry.
Test the production of template：E2 grades of Furniture panels are cut into 50*50cm size, uniform roller coating titanium dioxide/poly- third
Olefin(e) acid ester composite material one time.Plate that four pieces have been brushed composite material is placed in Laboratory Module experiment, while with not brushing
Blank plate compares.It can be seen from figure 1 that the Furniture panel release meeting sustained release formaldehyde of blank, and composite material is to plate
The removal rate of material formaldehyde is up to 87%.
The foregoing is only a preferred embodiment of the present invention, therefore cannot be limited the scope of implementation of the present invention with this, and
Equivalent changes and modifications made by the scope of the patents and description according to the present patent application should still belong to the invention patent and cover
In the range of.
Claims (10)
1. a kind of modifying titanium dioxide-polyacrylate composite board formaldehyde sealer, which is characterized in that the modified dioxy
Change the inorganic-organic composite material that titanium-polyacrylate is the modified titanium dioxide in surface and polyacrylate chemical bonding.
2. modifying titanium dioxide according to claim 1-polyacrylate composite board formaldehyde sealer preparation side
Method, which is characterized in that it is compound anti-that the method includes titanium dioxide surface modification steps and modifying titanium dioxide-polyacrylate
Answer step.
3. modifying titanium dioxide according to claim 2-polyacrylate composite board formaldehyde sealer preparation side
Method, which is characterized in that the titanium dioxide surface modification step is：Weigh certain mass deal silane coupling agent be dissolved in it is organic
In solvent, 5min is stirred, adjusts solution ph to neutrality with dilute hydrochloric acid or ammonium hydroxide；The titanium dioxide of certain mass deal is added later
Titanium valve body, is placed in water-bath, carries out back flow reaction 0.5-5h；System cooled to room temperature after reaction is put into baking later
It is dried for 100 DEG C in case, after natural cooling, obtains modifying titanium dioxide；Wherein the silane coupled dosage is titanium dioxide
The 0.5-5wt% of titanium valve body dosage.
4. modifying titanium dioxide according to claim 2-polyacrylate composite board formaldehyde sealer preparation side
Method, which is characterized in that the modifying titanium dioxide-polyacrylate recombination reaction step is：Weigh 0.5-10 mass parts 12
Sodium alkyl sulfate, 0.5-5 mass parts nonylphenol polyoxyethylene ether, 50-500 mass parts deionized water, 150 mass parts metering systems
Sour methyl esters, 350 mass parts butyl acrylates and 50 mass parts acrylic acid, with high shear homogeneous emulsifying machine at revolving speed 2500rpm
Disperse 15min, prepares pre-emulsion；It takes 1/4 pre-emulsion that the modifying titanium dioxide is added, is existed with high shear homogeneous emulsifying machine
Disperse 10min under revolving speed 2500rpm, is heated to 70 DEG C of heat preservations, the persulfuric acid salt water of 200 mass parts 0.5%-3% is then added
Solution is gradually heated to 80 DEG C, insulation reaction 2h；Then remaining 3/4 pre-emulsion is added dropwise in reaction solution, is added simultaneously
200 mass parts, 1% persulfate aqueous solution；Then system is warming up to 85 DEG C, reacts 2h；Finally material is cooled to room temperature,
The pH of composite material is adjusted to neutrality with ammonium hydroxide, obtains target product.
5. modifying titanium dioxide according to claim 3-polyacrylate composite board formaldehyde sealer preparation side
Method, which is characterized in that the silane coupling agent includes：3-aminopropyltriethoxysilane, glycidyl ether oxygen propyl front three
Oxysilane, methacryloxypropyl trimethoxy silane.
6. the preparation of the modifying titanium dioxide according to claim 3 or 5-polyacrylate composite board formaldehyde sealer
Method, which is characterized in that the organic solvent is one of alcohols solvent, including ethyl alcohol, glycerine, n-butanol or a variety of.
7. modifying titanium dioxide according to claim 4-polyacrylate composite board formaldehyde sealer preparation side
Method, which is characterized in that the methyl methacrylate：Butyl acrylate：The mass ratio of acrylic acid is 0.5-5：1-10：0.5-3.
8. modifying titanium dioxide according to claim 4-polyacrylate composite board formaldehyde sealer preparation side
Method, which is characterized in that the persulfate includes one of potassium peroxydisulfate, ammonium persulfate, sodium peroxydisulfate or a variety of, the mistake
Sulfate concentration is 1%.
9. modifying titanium dioxide according to claim 3-polyacrylate composite board formaldehyde sealer preparation side
Method, which is characterized in that the reflux time is 3h, and the drying time is that for 24 hours, the organic solvent is ethyl alcohol, described
Silane coupling agent is methacryloxypropyl trimethoxy silane.
10. modifying titanium dioxide according to claim 4-polyacrylate composite board formaldehyde sealer preparation side
Method, which is characterized in that the lauryl sodium sulfate dosage is 6 mass parts, the nonylphenol polyoxyethylene ether dosage is 3 mass
Part, the deionized water dosage are 300 mass parts.
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| CN201810178677.2A CN108929610A (en) | 2018-03-05 | 2018-03-05 | A kind of modifying titanium dioxide-polyacrylate composite board formaldehyde sealer and preparation method thereof |
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| CN201810178677.2A CN108929610A (en) | 2018-03-05 | 2018-03-05 | A kind of modifying titanium dioxide-polyacrylate composite board formaldehyde sealer and preparation method thereof |
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| CN109851706A (en) * | 2018-12-21 | 2019-06-07 | 昆明理工大学 | A kind of water-based acrylic resin and preparation method thereof of Visible Light Induced Photocatalytic formaldehyde |
| CN111298838A (en) * | 2020-03-23 | 2020-06-19 | 北京赛夫依特生物科技有限公司 | Photocatalyst purifying agent for hydrophobic surface |
| CN113652893A (en) * | 2021-08-31 | 2021-11-16 | 广东肇庆福美装饰材料有限公司 | Impregnated paper with negative ion release function and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851706A (en) * | 2018-12-21 | 2019-06-07 | 昆明理工大学 | A kind of water-based acrylic resin and preparation method thereof of Visible Light Induced Photocatalytic formaldehyde |
| CN111298838A (en) * | 2020-03-23 | 2020-06-19 | 北京赛夫依特生物科技有限公司 | Photocatalyst purifying agent for hydrophobic surface |
| CN111298838B (en) * | 2020-03-23 | 2023-03-10 | 北京赛夫依特生物科技有限公司 | Photocatalyst purifying agent for hydrophobic surface |
| CN113652893A (en) * | 2021-08-31 | 2021-11-16 | 广东肇庆福美装饰材料有限公司 | Impregnated paper with negative ion release function and preparation method thereof |
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Application publication date: 20181204 |