CN102964940A - Waterborne elastic fluorocarbon coating and preparation method for same - Google Patents
Waterborne elastic fluorocarbon coating and preparation method for same Download PDFInfo
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Abstract
The invention discloses a waterborne elastic fluorocarbon coating and a preparation method thereof. The coating is convenient to construct, low in cost, excellent in weather resistance, pollution resistance and corrosion resistance, and does not easily generate cracks. The waterborne elastic fluorocarbon coating is prepared by mixing the following constituents in parts by weight: 20-25 parts of waterborne fluorous emulsion, 19-23 parts of elastic emulsion, 20-22 parts of rutile titanium dioxide, 10-20 parts of a filler, 0.1-0.3 parts of wetting agent, 0.3-0.8 parts of defoaming agent, 0.5-1 part of thickener, 1.8-2.5 parts of film-forming additive, 0.4-0.8 part of amine salt dispersing agent, 10.42-13.32 parts of water and 0.14 part of organic ammonia. The waterborne elastic fluorocarbon coating disclosed by the invention are excellent in water resistance, pollution resistance and chemical resistance like an oily fluorocarbon paint; and the formed paint film is capable of covering small cracks, and good in elasticity and tensile force. The construction method is as the same as a construction method for a common exterior wall coating; and the product is environment-friendly and non-toxic.
Description
Technical field
The present invention relates to a kind of coating, particularly a kind of aqueous elastic fluorocarbon coating that is applied to the skin surface and preparation method thereof.
Background technology
Exterior coating develops into multi-functional trend from traditional decoration functions, and wherein the strength of science and technology plays immeasurable effect.It is strong not only to require coating to possess application property, safety and environmental protection.Also need simultaneously to possess the functions such as height is weather-proof, the feature of environmental protection.At present, exterior coating hydrotropismsization, functionalization, high-performance, high-grade development; So for painting effect and the working life that guarantees exterior wall paint, increasing engineering has been selected high-grade exterior wall paint; Such as the fluorine resin coating of high-weatherability, be used for the building aspect and obtain good effect.Because comparing with other synthetic resins, fluorine resin coating has excellent weathering resistance, weather resistance, chemical-resistant, such as whole use fluorine resin coatings, then price is comparatively expensive, and the construction trouble, metope after the construction ftractures easily, has limited greatly it and has been applied to the facing of external wall.In order to reach cracking resistance, cover the effect of crackle, more options are used the aqueous elastic exterior wall paint in the industry, although the aqueous elastic exterior wall paint can cover crackle, but its resistance to soiling extreme difference, the same stain of similar tear stains will appear in coating surface after for some time.
Summary of the invention
The problem to be solved in the present invention has provided a kind of easy construction, with low cost, has excellent weather-proof, resistant, rotproofness is not prone to again aqueous elastic fluorocarbon coating of crackle and preparation method thereof.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of aqueous elastic fluorocarbon coating is mixed by each component of following by weight proportioning: water-based fluorine emulsion 20～25, elastic emulsion 19～23, rutile titanium white powder 20～22, stopping composition 10～20, wetting agent 0.1～0.3, defoamer 0.3～0.8, thickening material 0.5～1, film coalescence aid 1.8～2.5, ammonia dipersant 0.4～0.8, water 10.42～13.32, organic amino 0.14.
The described stopping composition of a kind of aqueous elastic fluorocarbon coating of the present invention is barium sulfate 5～10, the strong powder 3～6 of magnesium, kaolin 2～4.
A kind of aqueous elastic fluorocarbon coating of the present invention also comprises propylene glycol 2～3.
A kind of aqueous elastic fluorocarbon coating of the present invention also comprises flow agent 0.4～0.8.
A kind of aqueous elastic fluorocarbon coating of the present invention also comprises sanitas 0.14, mould inhibitor 0.4～0.6.
The preferred water-based fluorine emulsion 25 of a kind of aqueous elastic fluorocarbon coating of the present invention, elastic emulsion 20, rutile titanium white powder 22, barium sulfate 7.5, the strong powder 5 of magnesium, wetting agent 0.25, defoamer 0.6, thickening material 0.8, film coalescence aid 2, ammonia dipersant 0.6, water 10.47, kaolin 3, propylene glycol 2.5, urethane flow agent 0.6, organic amine 0.14, sanitas 0.14, mould inhibitor 0.4.
The mixture that the described water-based fluorine emulsion of a kind of aqueous elastic fluorocarbon coating of the present invention is poly(vinylidene fluoride) and polymethylmethacrylate, solid content 49～51, fluorine content are 42%; Described elastic emulsion is for having elastomeric anionic ACRYLIC EMULSION, and solid content is 49～51, and minimum film-forming temperature is 3 ℃; Described barium sulfate fineness≤50 microns is that 5% hydrochloric acid splashes into without bubbling with concentration; The strong powder fineness of described magnesium≤20 microns is that 5% hydrochloric acid splashes into without bubbling with concentration; Described kaolin fineness≤50 microns is that 5% hydrochloric acid splashes into without bubbling with concentration; Described wetting agent is polyether-modified polydimethylsiloxane solution; Described defoamer is modified polyorganosiloxane polyethers Copolymer defoamer; Described film coalescence aid is 2,2,4～trimethylammonium～1,3～pentanediol list isobutyl ester; Described dispersion agent is that concentration is 40% acrylic copolymer ammonium salt solution; Described flow agent is the nonionic polyurethane flow agent of hydrophobic grouping modification; The mixture that described sanitas is comprised of 5～chlorine～2～methyl～4～isothiazoline～3～ketone, 2～methyl～4～isothiazoline～3～ketone and formaldehyde; Described mould inhibitor is the mixture of imines benzene azoles carbamate, 2～n-octyl～4～isothiazoline～3～ketone and urea derivative.
The model that the described water-based fluorine emulsion of a kind of aqueous elastic fluorocarbon coating of the present invention is large King Company is the product of ZEFFLE SE～310; Described elastic emulsion is that the model of BASF AG is 7026 product; The model that described rutile titanium white powder is E.I.Du Pont Company is the product of R706; Described barium sulfate is commercially available 800 purpose products; The strong powder of described magnesium is commercially available 3000 purpose products; Described wetting agent is that the model of BYK auxiliary agent company is the product of BYK346; Described defoamer is that the model of BYK auxiliary agent company is the product of BYK022; Described thickening material is that the model of Hai Mingsi company is the product of R430; Described film coalescence aid is that the model of Yi Si Man is the product of OE300; The model that described ammonia dipersant is Ruo Puke company is the product of SN～5027; Described water is deionized water; Described kaolin is commercially available 4000 purpose products; Described propylene glycol is the commercially available prod; The model that described urethane flow agent is Rhom and Hass is the product of RM2020; Described organic amine is that the model of fresh breeze chemical company is the product of AMP95; Described sanitas is that the model of Clariant company is the product of HF～1; Described mould inhibitor is that the model of Rhom and Hass is 361 product.
The preparation method of a kind of aqueous elastic fluorocarbon coating of the present invention, by weight, made by following steps: one, in producing cylinder, add entry 10.42～13.32, under the rotating speed of 500～800r/min, add ammonia dipersant 0.4～0.8, wetting agent 0.1～0.3 with mould wash mixer, defoamer 0.3～0.8, organic amine 0.14 continues to stir 7～10 minutes, to even; Two, the rotating speed of mould wash mixer is carried to 800～1000r/min, add rutile titanium white powder 20～22, barium sulfate 5～10, the strong powder 3～6 of magnesium, kaolin 2～4, urethane flow agent 0.4～0.8 adds rear raising rotating speed to 1500～2500r/min, continue dispersed with stirring 15～30min, to fineness of dispersion≤50 micron; Three, the rotating speed to 500 of reduction mould wash mixer～800r/min adds mould inhibitor 0.4～0.6, propylene glycol 2～3, film coalescence aid 1.8～2.5, water-based fluorine emulsion 20～25, elastic emulsion 19～23, thickening material 0.5～1 rear lasting stirring 15～20min regulates pH value to 7.5～9.Four, add sanitas 0.14 and the lasting 10～20min of stirring, get finished product.
The preparation method of a kind of aqueous elastic fluorocarbon coating of the present invention preferably adopts water-based fluorine emulsion 25, elastic emulsion 20, rutile titanium white powder 22, barium sulfate 7.5, the strong powder 5 of magnesium, wetting agent 0.25, defoamer 0.6, thickening material 0.8, film coalescence aid 2, ammonia dipersant 0.6, water 10.47, kaolin 3, propylene glycol 2.5, urethane flow agent 0.6, organic amine 0.14, sanitas 0.14, mould inhibitor 0.4.
The water-based fluorine emulsion is the mixture of poly(vinylidene fluoride) and polymethyl acrylate, poly(vinylidene fluoride) is a kind of thermoplastics of excellent performance, is formed by the vinylidene fluoride homopolymerization, has excellent ageing resistance and soda acid performance, chemical stability is high, its fusing point is 165～180 ℃, and decomposition temperature is more than 350 ℃, and fusing point and decomposition temperature differ larger, so processing temperature is wide, but its degree of crystallinity is high, and viscosity is large, is difficult for processing.The adding of polymethyl acrylate can reduce the degree of crystallinity of poly(vinylidene fluoride), improve the processing plasticity-of poly(vinylidene fluoride), and can reduce in process of production the cost of material, therefore film have excellent water tolerance and excellent weathering resistance, the characteristics such as resistance to soiling, chemical resistant properties.Take the acrylic copolymer ammonium salt solution as dispersion agent, storage, dispersion and the water tolerance of product had greatly improved; Wetting agent can make different substrate materials all have the excellent wetting and levelling property of ground, can improve the water tolerance of product, has excellent color developing; Defoamer can be eliminated the mechanicalness steam bubble that produces in processes such as production, packing, transportation, constructions, enhances productivity, and improves stability in storage and application property; The rutile titanium white powder can produce opacifying power, has high refractive index, high whiteness and excellent weathering resistance; Stopping composition is barium sulfate, the strong powder of magnesium and kaolin, but can improve anti-pollution characteristic and the application property of product; The adding of film coalescence aid can reduce the minimum film-forming temperature of emulsion, improves the film-forming properties of filming, thereby prolongs weathering resistance and the ageing resistance of filming.
Add propylene glycol, can improve the film-forming properties of filming, improve the low-temperature storage of coating, shorten time of drying.Add flow agent, can improve can opening effect and the application property of product.Add sanitas and mould inhibitor, can effectively prevent the growth on filming of mould class and algae, prolong the work-ing life of filming.
Aqueous elastic fluorocarbon coating of the present invention is in preparation process, such as the elastic emulsion that adds greater than 23 parts, then the polluting proofing property of coating and weathering resistance will not reach the standard of aqueous fluorine-carbon paint, and less than 19 parts, then the effect of prestressed of fluorocarbon coating will disappear such as the elastic emulsion that adds; The water-based fluorine emulsion that adds is greater than 23 parts, and then other performance of coating is all good, but do not had the effect of cracking resistance.Through experiment confirm, the model of large King Company is that the model of the water-based fluorine emulsion of ZEFFLE SE～310 and BASF AG is that consistency between 7026 the elastic emulsion is best.
Compared with prior art, the aqueous elastic fluorocarbon coating that adopts the inventive method to prepare, the mating reaction that the water-based fluorine emulsion that uses and elastic emulsion and other auxiliary agents produce, make aqueous elastic fluorocarbon coating of the present invention have excellent water tolerance, resistance to soiling, chemical resistant properties as oiliness fluorine carbon lacquer, and the paint film after the film forming can cover fine cracks, has good elasticity and drawing force.Its water-based speciality does not need complicated constructional method so that brush this coating, and is consistent with the constructional method of common exterior coating, product environmental protection, nontoxicity.
Embodiment
Embodiment 1
One, in producing cylinder, adds deionized water 13.32kg, with mould wash mixer under the rotating speed of 500r/min, the model that adds Ruo Puke company is the ammonia dipersant 0.4kg of SN～5027, the model of BYK auxiliary agent company is the wetting agent 0.1kg of BYK346, the model of BYK auxiliary agent company is the defoamer 0.3kg of BYK022, the model of fresh breeze chemical company is the organic amine 0.14kg of AMP95, continues to stir 7 minutes, to even;
Two, the rotating speed of mould wash mixer is carried to 800r/min, the model that adds E.I.Du Pont Company is the rutile titanium white powder 20kg of R706, commercially available 800 purpose barium sulfate 10kg, the strong powder 3kg of commercially available 3000 purpose magnesium, commercially available 4000 purpose kaolin 2kg, the model of Rhom and Hass is the urethane flow agent 0.4kg of RM2020, adds rear raising rotating speed to 1500r/min, continue dispersed with stirring 15min, to fineness of dispersion≤50 micron;
Three, reduce the rotating speed of mould wash mixer to 500r/min, the model that adds Rhom and Hass is 361 mould inhibitor 0.4kg, propylene glycol 2kg, the model of Yi Si Man is the film coalescence aid 1.8kg of OE300, the model of large King Company is the water-based fluorine emulsion 25kg of ZEFFLE SE～310, the model of BASF AG is 7026 elastic emulsion 20kg, and the model of Hai Mingsi company is to continue to stir 15min behind the thickening material 1kg of R430, regulates pH value to 7.5.
Four, the model of adding Clariant company is the sanitas 0.14kg of HF～1 and continues to stir 10min, gets finished product.
Five, be packaged into bucket.
Embodiment 2
One, in producing cylinder, adds deionized water 10.47kg, with mould wash mixer under the rotating speed of 700r/min, the model that adds Ruo Puke company is the ammonia dipersant 0.6kg of SN～5027, the model of BYK auxiliary agent company is the wetting agent 0.25kg of BYK346, the model of BYK auxiliary agent company is the defoamer 0.6kg of BYK022, the model of fresh breeze chemical company is the organic amine 0.14kg of AMP95, continues to stir 8 minutes, to even;
Two, the rotating speed of mould wash mixer is carried to 900r/min, the model that adds E.I.Du Pont Company is the rutile titanium white powder 22kg of R706, commercially available 800 purpose barium sulfate 7.5kg, the strong powder 5kg of commercially available 3000 purpose magnesium, commercially available 4000 purpose kaolin 3kg, the model of Rhom and Hass is the urethane flow agent 0.6kg of RM2020, adds rear raising rotating speed to 2000r/min, continue dispersed with stirring 20min, to fineness of dispersion≤50 micron;
Three, reduce the rotating speed of mould wash mixer to 700r/min, the model that adds Rhom and Hass is 361 mould inhibitor 0.4kg, propylene glycol 2.5kg, the model of Yi Si Man is the film coalescence aid 2kg of OE300, the model of large King Company is the water-based fluorine emulsion 25kg of ZEFFLE SE～310, the model of BASF AG is 7026 elastic emulsion 19kg, and the model of Hai Mingsi company is to continue to stir 20min behind the thickening material 0.8kg of R430, regulates pH value to 8.
Four, the model of adding Clariant company is the sanitas 0.14kg of HF～1 and continues to stir 15min, gets finished product.
Five, be packaged into bucket.
Embodiment 3
One, in producing cylinder, adds deionized water 10.42kg, with mould wash mixer under the rotating speed of 800r/min, the model that adds Ruo Puke company is the ammonia dipersant 0.8kg of SN～5027, the model of BYK auxiliary agent company is the wetting agent 0.3kg of BYK346, the model of BYK auxiliary agent company is the defoamer 0.8kg of BYK022, the model of fresh breeze chemical company is the organic amine 0.14kg of AMP95, continues to stir 10 minutes, to even;
Two, the rotating speed of mould wash mixer is carried to 1000r/min, the model that adds E.I.Du Pont Company is the rutile titanium white powder 22kg of R706, commercially available 800 purpose barium sulfate 5kg, the strong powder 6kg of commercially available 3000 purpose magnesium, commercially available 4000 purpose kaolin 4kg, the model of Rhom and Hass is the urethane flow agent 0.8kg of RM2020, adds rear raising rotating speed to 2500r/min, continue dispersed with stirring 30min, to fineness of dispersion≤50 micron;
Three, reduce the rotating speed of mould wash mixer to 800r/min, the model that adds Rhom and Hass is 361 mould inhibitor 0.6kg, propylene glycol 3kg, the model of Yi Si Man is the film coalescence aid 2.5kg of OE300, the model of large King Company is the water-based fluorine emulsion 20kg of ZEFFLE SE～310, the model of BASF AG is 7026 elastic emulsion 23kg, and the model of Hai Mingsi company is to continue to stir 25min behind the thickening material 0.5kg of R430, regulates pH value to 9.
Four, the model of adding Clariant company is the sanitas 0.14kg of HF～1 and continues to stir 20min, gets finished product.
Five, be packaged into bucket.
Adopt national standard HG/T4104～2009 watersoluble fluorine paints for building and JG/T172～two standards of 2005 elastic building paints to combine, the aqueous elastic fluorocarbon coating that the embodiment of the invention is obtained detects, its detected result such as table 1.
Table 1
Claims (10)
1. an aqueous elastic fluorocarbon coating is characterized in that, is mixed by each component of following by weight proportioning: water-based fluorine emulsion 20～25, elastic emulsion 19～23, rutile titanium white powder 20～22, stopping composition 10～20, wetting agent 0.1～0.3, defoamer 0.3～0.8, thickening material 0.5～1, film coalescence aid 1.8～2.5, ammonia dipersant 0.4～0.8, water 10.42～13.32, organic amino 0.14.
2. a kind of aqueous elastic fluorocarbon coating according to claim 1, it is characterized in that: described stopping composition is barium sulfate 5～10, the strong powder 3～6 of magnesium, kaolin 2～4.
3. a kind of aqueous elastic fluorocarbon coating according to claim 2 is characterized in that, also comprises propylene glycol 2～3.
4. a kind of aqueous elastic fluorocarbon coating according to claim 3 is characterized in that, also comprises flow agent 0.4～0.8.
5. a kind of aqueous elastic fluorocarbon coating according to claim 4 is characterized in that, also comprises sanitas 0.14, mould inhibitor 0.4～0.6.
6. a kind of aqueous elastic fluorocarbon coating according to claim 5 is characterized in that, described water-based fluorine emulsion 25, elastic emulsion 20, rutile titanium white powder 22, barium sulfate 7.5, the strong powder 5 of magnesium, wetting agent 0.25, defoamer 0.6, thickening material 0.8, film coalescence aid 2, ammonia dipersant 0.6, water 10.47, kaolin 3, propylene glycol 2.5, urethane flow agent 0.6, organic amine 0.14, sanitas 0.14, mould inhibitor 0.4.
7. it is characterized in that according to claim 5 or 6 described a kind of aqueous elastic fluorocarbon coatings:
Described water-based fluorine emulsion is the mixture of poly(vinylidene fluoride) and polymethylmethacrylate, and solid content 49～51, fluorine content are 42%;
Described elastic emulsion is for having elastomeric anionic ACRYLIC EMULSION, and solid content is 49～51, and minimum film-forming temperature is 3 ℃;
Described barium sulfate fineness≤50 microns is that 5% hydrochloric acid splashes into without bubbling with concentration;
The strong powder fineness of described magnesium≤20 microns is that 5% hydrochloric acid splashes into without bubbling with concentration;
Described kaolin fineness≤50 microns is that 5% hydrochloric acid splashes into without bubbling with concentration;
Described wetting agent is polyether-modified polydimethylsiloxane solution;
Described defoamer is modified polyorganosiloxane polyethers Copolymer defoamer;
Described film coalescence aid is 2,2,4～trimethylammonium～1,3～pentanediol list isobutyl ester;
Described dispersion agent is that concentration is 40% acrylic copolymer ammonium salt solution;
Described flow agent is the nonionic polyurethane flow agent of hydrophobic grouping modification;
The mixture that described sanitas is comprised of 5～chlorine～2～methyl～4～isothiazoline～3～ketone, 2～methyl～4～isothiazoline～3～ketone and formaldehyde;
Described mould inhibitor is the mixture of imines benzene azoles carbamate, 2～n-octyl～4～isothiazoline～3～ketone and urea derivative.
8. a kind of aqueous elastic fluorocarbon coating according to claim 7 is characterized in that:
The model that described water-based fluorine emulsion is large King Company is the product of ZEFFLE SE～310;
Described elastic emulsion is that the model of BASF AG is 7026 product;
The model that described rutile titanium white powder is E.I.Du Pont Company is the product of R706;
Described barium sulfate is commercially available 800 purpose products;
The strong powder of described magnesium is commercially available 3000 purpose products;
Described wetting agent is that the model of BYK auxiliary agent company is the product of BYK346;
Described defoamer is that the model of BYK auxiliary agent company is the product of BYK022;
Described thickening material is that the model of Hai Mingsi company is the product of R430;
Described film coalescence aid is that the model of Yi Si Man is the product of OE300;
The model that described ammonia dipersant is Ruo Puke company is the product of SN～5027;
Described water is deionized water;
Described kaolin is commercially available 4000 purpose products;
Described propylene glycol is the commercially available prod;
The model that described urethane flow agent is Rhom and Hass is the product of RM2020;
Described organic amine is that the model of fresh breeze chemical company is the product of AMP95;
Described sanitas is that the model of Clariant company is the product of HF～1;
Described mould inhibitor is that the model of Rhom and Hass is 361 product.
9. the preparation method of an aqueous elastic fluorocarbon coating is characterized in that, by weight, is made by following steps:
One, in producing cylinder, add entry 10.42～13.32, use mould wash mixer under the rotating speed of 500～800r/min, add ammonia dipersant 0.4～0.8, wetting agent 0.1～0.3, defoamer 0.3～0.8, organic amine 0.14 continues to stir 7～10 minutes, to even;
Two, the rotating speed of mould wash mixer is carried to 800～1000r/min, add rutile titanium white powder 20～22, barium sulfate 5～10, the strong powder 3～6 of magnesium, kaolin 2～4, urethane flow agent 0.4～0.8 adds rear raising rotating speed to 1500～2500r/min, continue dispersed with stirring 15～30min, to fineness of dispersion≤50 micron;
Three, the rotating speed to 500 of reduction mould wash mixer～800r/min adds mould inhibitor 0.4～0.6, propylene glycol 2～3, film coalescence aid 1.8～2.5, water-based fluorine emulsion 20～25, elastic emulsion 19～23, thickening material 0.5～1 rear lasting stirring 15～20min regulates pH value to 7.5～9.
Four, add sanitas 0.14 and the lasting 10～20min of stirring, get finished product.
10. the preparation method of a kind of aqueous elastic fluorocarbon coating according to claim 9 is characterized in that, water-based fluorine emulsion 25, elastic emulsion 20, rutile titanium white powder 22, barium sulfate 7.5, the strong powder 5 of magnesium, wetting agent 0.25, defoamer 0.6, thickening material 0.8, film coalescence aid 2, ammonia dipersant 0.6, water 10.47, kaolin 3, propylene glycol 2.5, urethane flow agent 0.6, organic amine 0.14, sanitas 0.14, mould inhibitor 0.4.
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| CN103468068A (en) * | 2013-05-22 | 2013-12-25 | 上海三银制漆有限公司 | Aqueous elastic fluorocarbon building coating covering large cracks, and preparation method and application thereof |
| CN103421374A (en) * | 2013-08-23 | 2013-12-04 | 苏州长盛机电有限公司 | Metal furniture coating |
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| CN103483954A (en) * | 2013-09-17 | 2014-01-01 | 三棵树涂料股份有限公司 | APEO-free water-based elastic fluorocarbon exterior-wall paint with adjustable colors |
| CN104311722A (en) * | 2014-11-06 | 2015-01-28 | 任婧 | Acrylic resin used for fluorocarbon coatings |
| CN104559592A (en) * | 2014-12-19 | 2015-04-29 | 北京东方雨虹防水技术股份有限公司 | Fluorocarbon elastic paint and preparation method thereof |
| CN106009968A (en) * | 2016-06-27 | 2016-10-12 | 佛山科学技术学院 | Water-based PVDF (polyvinylidene fluoride) fluorocarbon paint and preparation method thereof |
| CN108003713A (en) * | 2017-12-13 | 2018-05-08 | 苏州拓博琳新材料科技有限公司 | A kind of waterborne road line paint and preparation method thereof and construction method |
| CN108948892A (en) * | 2018-05-31 | 2018-12-07 | 江西亚龙美氟科技有限公司 | A kind of fluorocarbon coating and its preparation method and application can be used for wire drawing |
| CN108948892B (en) * | 2018-05-31 | 2020-03-10 | 江西亚龙美氟科技有限公司 | Fluorocarbon coating for wire drawing and preparation method and application thereof |
| CN109135538A (en) * | 2018-08-01 | 2019-01-04 | 合肥尚涵装饰工程有限公司 | A kind of preparation method of sports equipment coating |
| CN109266141A (en) * | 2018-08-27 | 2019-01-25 | 河北君道涂料有限公司 | A kind of self-clean type stone-like coating and preparation method |
| CN109294347A (en) * | 2018-09-03 | 2019-02-01 | 陈威 | A kind of Gao Baose water paint and production method |
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