CN105505177A - Composite photocatalyst air purification water-based interior wall coating and preparation method thereof - Google Patents

Composite photocatalyst air purification water-based interior wall coating and preparation method thereof Download PDF

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Publication number
CN105505177A
CN105505177A CN201610076589.2A CN201610076589A CN105505177A CN 105505177 A CN105505177 A CN 105505177A CN 201610076589 A CN201610076589 A CN 201610076589A CN 105505177 A CN105505177 A CN 105505177A
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parts
air purification
photocatalyst air
titanium dioxide
compound type
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CN201610076589.2A
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CN105505177B (en
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袁娟
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Hebei Chenyang Industry and Trade Group Co Ltd
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NINGBO FREE TRADE ZONE TAOHONG CHEMICAL TECHNOLOGY Co Ltd
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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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • 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
    • 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
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Catalysts (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a composite photocatalyst air purification water-based interior wall coating and a preparation method thereof. The composite photocatalyst air purification water-based interior wall coating comprises the following raw materials in parts by weight: 25-35 parts of water, 35-45 parts of polyurethane emulsion, 5-15 parts of titanium dioxide, 1-5 parts of zinc oxide, 1-5 parts of 2-acetoxy-1-methoxypropane, 1-5 parts of sodium dodecyl sulfonate, 1-2 parts of polyoxyethylene nonyl phenyl ether, 0.5-1.5 parts of dimethyl silicone oil, 0.5-1.5 parts of docusate sodium, 0.5-2.5 parts of an ultraviolet absorber and 0.5-2.5 parts of an antibacterial agent. The composite photocatalyst air purification water-based interior wall coating has the capability of resisting ultraviolet light, and is capable of delaying the aging of a coating film; the coating film is excellent in bacterium resistance, non-corrodibility and durability, can resist acid, alkali, salt and water, is excellent in adhesion force, impact resistance, anti-bending performance and the like, and has the characteristics of being long in corrosion-resistant time and the like.

Description

Compound type photocatalyst air purification aqueous inner wall paint and preparation method thereof
Technical field:
The present invention relates to a kind of photo-catalytic coating, be specifically related to a kind of Compound type photocatalyst air purification aqueous inner wall paint and preparation method thereof.
Background technology:
Nano photo-catalytic environmental protection coating material product, by the development and application of domestic and international coating material production companies, shows the using value of this photo-catalytic coating in various fields.Coating, after adding nano-titania photocatalyst, can produce unique photocatalysis under the effect of light, the toxic and harmful in air can not only be decomposed and eliminate, and have very strong killing action to bacterium, mould, virus.The obnoxious flavour such as formaldehyde, toluene, dimethylbenzene, ammonia, the TVOC brute force that interior decoration can produce by such as nano antibacterial coating is decomposed and eliminates, and makes room air more pure and fresh, avoids the harm that toxic and harmful causes human body.
Through adding the nanometer anti-bacteria environmental-protection coating that nano-titania photocatalyst is made into, effectively can solve the air pollution problems inherent that interior decoration causes, and there is long-term mildew-resistant algae preventive effect.Meanwhile, nano photo-catalytic antibacterial environmental protection coating material has excellent self-cleaning anti-pollution function, can keep long-term clean aesthetic; There is remarkable high-weatherability, protect light guarantor chromatic effect good; Excellent water-fast, acidproof, alkali resistance, digital preservation are incrust; Sticking power is good, shows powerful abrasion resistance; High and the flexible of hardness of paint film, hydrophobicity is splendid, easily cleans dirt.
Test result display nano photo-catalytic antibacterial environmental protection coating material washing fastness is greater than 15000 times, and anti-uv-ray is extremely strong.Reach more than 15 years work-ing life.Strong adhesion, non-scale, does not peel off, anti-aging, can within-10 DEG C to-25 DEG C normal construction.The various performance test results of coating suffice to show that, the market outlook of nano photo-catalytic antibacterial environmental protection coating material are extraordinary.
The invention provides a kind of Compound type photocatalyst air purification aqueous inner wall paint, there is the stability of good opacifying power, sticking power and excellence.
Summary of the invention:
For prior art above shortcomings, one of technical problem to be solved by this invention is to provide a kind of Compound type photocatalyst air purification aqueous inner wall paint.
One of technical problem to be solved by this invention is to provide the preparation method of above-mentioned Compound type photocatalyst air purification aqueous inner wall paint.
Technical problem of the present invention, is achieved by following technical proposals:
A kind of Compound type photocatalyst air purification aqueous inner wall paint, is made up of the raw material of following weight parts: water 25-35 part, polyaminoester emulsion 35-45 part, titanium dioxide 5-15 part, zinc oxide 1-5 part, 1-Methoxy-2-propyl acetate 1-5 part, sodium laurylsulfonate 1-5 part, polyoxyethylene nonylphenol ether 1-2 part, dimethyl silicone oil 0.5-1.5 part, Aerosol OT 0.5-1.5 part, UV light absorber 0.5-2.5 part, coupling agent 0.1-1 part.
Polyaminoester emulsion, number of patent application can be adopted: the method preparation of embodiment 1 in 201010619147.0, number of patent application can be adopted: the method preparation of embodiment 1 in 201310464367.4, can adopt number of patent application: the method preparation of embodiment 1 in 201410359017.6.
Preferably, described UV light absorber is 2-(the 3-sec-butyl-5-tertiary butyl-2-hydroxyphenyl) benzotriazole and/or 2-(3,5-di-t-butyl-2-hydroxy phenyl) benzotriazole.
More preferably, described UV light absorber is made up of 40-60wt%2-(the 3-sec-butyl-5-tertiary butyl-2-hydroxyphenyl) benzotriazole and 40-60wt%2-(3,5-di-t-butyl-2-hydroxy phenyl) benzotriazole.
Preferably, described coupling agent is diethylenetriamine base propyl trimethoxy silicane and/or vinyltrimethoxy silane.
More preferably, described coupling agent is made up of 40-60wt% diethylenetriamine base propyl trimethoxy silicane and 40-60wt% vinyltrimethoxy silane.
Present invention also offers the preparation method of above-mentioned Compound type photocatalyst air purification aqueous inner wall paint, comprise the following steps:
(1) titanium dioxide coupling agent is mixed with modifying titanium dioxide;
(2) by polyaminoester emulsion, UV light absorber, dimethyl silicone oil, modifying titanium dioxide, zinc oxide, 1-Methoxy-2-propyl acetate, sodium laurylsulfonate, polyoxyethylene nonylphenol ether mixing, adopt horizontal sand mill, take zirconium oxide bead as grinding medium, 0.5-2 hour is stirred, obtained pre-dispersed emulsion under rotating speed 3000-5000 rev/min;
(3) Aerosol OT is added to the water and stirs 0.5-2 hour under rotating speed 800-1200 rev/min, obtained thinner;
(4) pre-dispersed emulsion is added in thinner, under rotating speed 100-500 rev/min, stir 0.5-1 hour.
Concrete, in the present invention:
Titanium dioxide, No. CAS: 1317-80-2, particle diameter 20-40nm.
Zinc oxide, No. CAS: 1314-13-2, particle diameter 20-40nm.
1-Methoxy-2-propyl acetate, No. CAS: 108-65-6.
Sodium laurylsulfonate, No. CAS: 2386-53-0.
Dimethyl silicone oil, No. CAS: 63148-62-9.
Aerosol OT, No. CAS: 577-11-7.
2-(the 3-sec-butyl-5-tertiary butyl-2-hydroxyphenyl) benzotriazole, No. CAS: 36437-37-3.
2-(3,5-di-t-butyl-2-hydroxy phenyl) benzotriazole, No. CAS: 3846-71-7.
Diethylenetriamine base propyl trimethoxy silicane, No. CAS: 35141-30-1.
Vinyltrimethoxy silane, No. CAS: 2768-02-7.
Compound type photocatalyst air purification aqueous inner wall paint of the present invention, has the ultraviolet ability of opposing, can delay the aging of paint film; Paint film has good Antimicrobial preservative, weather resistance, can acidproof, alkaline-resisting, salt tolerant, water-fast corrosion, sticking power, resistance to impulse force, the excellent performance such as counter-bending, the features such as anticorrosion year limit for length.
Embodiment:
Below in conjunction with embodiment, the present invention is described further, the following stated, only to preferred embodiment of the present invention, not do other forms of restriction to the present invention, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed to the Equivalent embodiments of equal change.Everyly do not depart from the present invention program's content, any simple modification done following examples according to technical spirit of the present invention or equivalent variations, all drop in protection scope of the present invention.
Polyoxyethylene nonylphenol ether in embodiment, No. CAS: 14409-72-4, the concrete model adopting German Durham (Helm) to produce is the polyoxyethylene nonylphenol ether of NP-10.
Polyaminoester emulsion in embodiment, adopts number of patent application: the method preparation of embodiment 1 in 201310464367.4.
Embodiment 1
Compound type photocatalyst air purification aqueous inner wall paint raw material: 30 parts, water, polyaminoester emulsion 40 parts, titanium dioxide 10 parts, 3 parts, zinc oxide, 1-Methoxy-2-propyl acetate 3 parts, sodium laurylsulfonate 3 parts, polyoxyethylene nonylphenol ether 1.5 parts, dimethyl silicone oil 1 part, Aerosol OT 1 part, UV light absorber 1 part, coupling agent 0.4 part.
Described UV light absorber is uniformly mixed is obtained by 50wt%2-(the 3-sec-butyl-5-tertiary butyl-2-hydroxyphenyl) benzotriazole and 50wt%2-(3,5-di-t-butyl-2-hydroxy phenyl) benzotriazole.
Described coupling agent is uniformly mixed by 50wt% diethylenetriamine base propyl trimethoxy silicane and 50wt% vinyltrimethoxy silane and obtains.
The preparation method of Compound type photocatalyst air purification aqueous inner wall paint, comprises the following steps:
(1) titanium dioxide and coupling agent at 80 DEG C of temperature, 2000 revs/min, are stirred 20min and mix, obtain modifying titanium dioxide in high speed mixing machine;
(2) polyaminoester emulsion, UV light absorber, dimethyl silicone oil, modifying titanium dioxide, zinc oxide, 1-Methoxy-2-propyl acetate, sodium laurylsulfonate, polyoxyethylene nonylphenol ether are uniformly mixed, adopt horizontal sand mill, take zirconium oxide bead as grinding medium, stir 1 hour under rotating speed 4000 revs/min, obtained pre-dispersed emulsion;
(3) Aerosol OT be added to the water and stir 1 hour under rotating speed 1000 revs/min, obtained thinner;
(4) pre-dispersed emulsion is added in thinner, stir 40 minutes under rotating speed 300 revs/min.Obtain the Compound type photocatalyst air purification aqueous inner wall paint of embodiment 1.
Embodiment 2
Substantially the same manner as Example 1, difference is only: described UV light absorber is only 2-(the 3-sec-butyl-5-tertiary butyl-2-hydroxyphenyl) benzotriazole.Obtain the Compound type photocatalyst air purification aqueous inner wall paint of embodiment 2.
Embodiment 3
Substantially the same manner as Example 1, difference is only: described UV light absorber is only 2-(3,5-di-t-butyl-2-hydroxy phenyl) benzotriazole.Obtain the Compound type photocatalyst air purification aqueous inner wall paint of embodiment 3.
Embodiment 4
Substantially the same manner as Example 1, difference is only: described coupling agent is only diethylenetriamine base propyl trimethoxy silicane.Obtain the Compound type photocatalyst air purification aqueous inner wall paint of embodiment 4.
Embodiment 5
Substantially the same manner as Example 1, difference is only: described coupling agent is only vinyltrimethoxy silane.Obtain the Compound type photocatalyst air purification aqueous inner wall paint of embodiment 5.
Test case 1
Performance test is carried out to the Compound type photocatalyst air purification aqueous inner wall paint of embodiment 1-5.
Measure the purifying formaldehyde performance of paint film by JC/T1074-2008, wherein purifying formaldehyde performance >=75% be I class, >=80% be II class, decontamination effect improving persistence >=60% is I class, and >=65% is II class; Yellowing resistance presses IOS11507:1997 test; Concrete test-results is as shown in table 1:
Table 1: purifying formaldehyde performance, anti-yellowing property test-results table
Comparing embodiment 1-3, embodiment 1 (2-(the 3-sec-butyl-5-tertiary butyl-2-hydroxyphenyl) benzotriazole and 2-(3,5-di-t-butyl-2-hydroxy phenyl) benzotriazole is composite) purifying formaldehyde effect, yellowing resistance be obviously better than embodiment 2-3 (2-(the 3-sec-butyl-5-tertiary butyl-2-hydroxyphenyl) benzotriazole and 2-(3,5-di-t-butyl-2-hydroxy phenyl) benzotriazole in single raw material); Comparing embodiment 1 and embodiment 4-5, embodiment 1 (diethylenetriamine base propyl trimethoxy silicane and vinyltrimethoxy silane composite) purifying formaldehyde effect, yellowing resistance are obviously better than embodiment 4-5 (diethylenetriamine base propyl trimethoxy silicane and vinyltrimethoxy silane in single raw material).
Test case 2
Carry out traditional performance test to the Compound type photocatalyst air purification aqueous inner wall paint that embodiment 1-5 prepares, concrete test result is in table 2.
Table 2: traditional performance test data table
Comparing embodiment 1 and embodiment 4-5, embodiment 1 (diethylenetriamine base propyl trimethoxy silicane and vinyltrimethoxy silane composite) traditional performance is obviously better than embodiment 4-5 (diethylenetriamine base propyl trimethoxy silicane and vinyltrimethoxy silane in single raw material).

Claims (4)

1. a Compound type photocatalyst air purification aqueous inner wall paint, it is characterized in that, be made up of the raw material of following weight parts: water 25-35 part, polyaminoester emulsion 35-45 part, titanium dioxide 5-15 part, zinc oxide 1-5 part, 1-Methoxy-2-propyl acetate 1-5 part, sodium laurylsulfonate 1-5 part, polyoxyethylene nonylphenol ether 1-2 part, dimethyl silicone oil 0.5-1.5 part, Aerosol OT 0.5-1.5 part, UV light absorber 0.5-2.5 part, coupling agent 0.1-1 part.
2. Compound type photocatalyst air purification aqueous inner wall paint as claimed in claim 1, it is characterized in that, described UV light absorber is made up of 40-60wt%2-(the 3-sec-butyl-5-tertiary butyl-2-hydroxyphenyl) benzotriazole and 40-60wt%2-(3,5-di-t-butyl-2-hydroxy phenyl) benzotriazole.
3. Compound type photocatalyst air purification aqueous inner wall paint as claimed in claim 1 or 2, it is characterized in that, described coupling agent is made up of 40-60wt% diethylenetriamine base propyl trimethoxy silicane and 40-60wt% vinyltrimethoxy silane.
4. the preparation method of the Compound type photocatalyst air purification aqueous inner wall paint according to any one of claim 1-3, is characterized in that, comprise the following steps:
(1) titanium dioxide coupling agent is mixed with modifying titanium dioxide;
(2) by polyaminoester emulsion, UV light absorber, dimethyl silicone oil, modifying titanium dioxide, zinc oxide, 1-Methoxy-2-propyl acetate, sodium laurylsulfonate, polyoxyethylene nonylphenol ether mixing, adopt horizontal sand mill, take zirconium oxide bead as grinding medium, 0.5-2 hour is stirred, obtained pre-dispersed emulsion under rotating speed 3000-5000 rev/min;
(3) Aerosol OT is added to the water and stirs 0.5-2 hour under rotating speed 800-1200 rev/min, obtained thinner;
(4) pre-dispersed emulsion is added in thinner, under rotating speed 100-500 rev/min, stir 0.5-1 hour.
CN201610076589.2A 2016-02-03 2016-02-03 Compound type photocatalyst air purification aqueous inner wall paint and preparation method thereof Active CN105505177B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107722809A (en) * 2017-10-25 2018-02-23 广东巴得劳建材科技有限公司 A kind of ecological wall finiss for preventing that metope is mouldy, coming off and preparation method thereof
CN108707405A (en) * 2018-06-05 2018-10-26 安徽阜南县万家和工艺品有限公司 A method of addition modified nano oxide compound prepares wood artwork antibacterial and mouldproof abrasion resistant fire blocking coating
CN110903752A (en) * 2019-12-15 2020-03-24 湛江市汉成科技有限公司 Environment-friendly ultra-transparent low-vco material and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1673291A (en) * 2004-12-16 2005-09-28 许绍凰 Nano bactericidal negative ion inner wall latex paint
CN101423690A (en) * 2008-12-23 2009-05-06 王诗榕 Photocatalyst air freshing coating and preparation method thereof
CN102329544A (en) * 2011-05-27 2012-01-25 安徽美佳新材料股份有限公司 Environmentally-friendly photocatalyst air freshening inner wall coating and preparation method thereof
CN102775904A (en) * 2012-08-15 2012-11-14 东莞大宝化工制品有限公司 Environment-friendly polyurethane primer capable of decomposing formaldehyde and preparation method thereof
CN103131313A (en) * 2012-12-26 2013-06-05 中国建筑股份有限公司 Compound type photocatalyst air purification waterborne interior wall coating and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1673291A (en) * 2004-12-16 2005-09-28 许绍凰 Nano bactericidal negative ion inner wall latex paint
CN101423690A (en) * 2008-12-23 2009-05-06 王诗榕 Photocatalyst air freshing coating and preparation method thereof
CN102329544A (en) * 2011-05-27 2012-01-25 安徽美佳新材料股份有限公司 Environmentally-friendly photocatalyst air freshening inner wall coating and preparation method thereof
CN102775904A (en) * 2012-08-15 2012-11-14 东莞大宝化工制品有限公司 Environment-friendly polyurethane primer capable of decomposing formaldehyde and preparation method thereof
CN103131313A (en) * 2012-12-26 2013-06-05 中国建筑股份有限公司 Compound type photocatalyst air purification waterborne interior wall coating and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107722809A (en) * 2017-10-25 2018-02-23 广东巴得劳建材科技有限公司 A kind of ecological wall finiss for preventing that metope is mouldy, coming off and preparation method thereof
CN108707405A (en) * 2018-06-05 2018-10-26 安徽阜南县万家和工艺品有限公司 A method of addition modified nano oxide compound prepares wood artwork antibacterial and mouldproof abrasion resistant fire blocking coating
CN110903752A (en) * 2019-12-15 2020-03-24 湛江市汉成科技有限公司 Environment-friendly ultra-transparent low-vco material and preparation method thereof

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