CN102993940A - Nano modified one-component polyurethane waterproofing paint and preparation method thereof - Google Patents
Nano modified one-component polyurethane waterproofing paint and preparation method thereof Download PDFInfo
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- CN102993940A CN102993940A CN2012104251527A CN201210425152A CN102993940A CN 102993940 A CN102993940 A CN 102993940A CN 2012104251527 A CN2012104251527 A CN 2012104251527A CN 201210425152 A CN201210425152 A CN 201210425152A CN 102993940 A CN102993940 A CN 102993940A
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- 239000003973 paint Substances 0.000 title claims abstract description 45
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 24
- 239000004814 polyurethane Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 238000004078 waterproofing Methods 0.000 title abstract description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 12
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 11
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims abstract description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 9
- 229920000570 polyether Polymers 0.000 claims abstract description 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 28
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 11
- -1 polyoxytrimethylene Polymers 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 claims description 5
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 239000013530 defoamer Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- 150000002334 glycols Chemical class 0.000 claims description 2
- 239000002086 nanomaterial Substances 0.000 abstract description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 235000010216 calcium carbonate Nutrition 0.000 abstract 1
- 239000012975 dibutyltin dilaurate Substances 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- KCWDJXPPZHMEIK-UHFFFAOYSA-N isocyanic acid;toluene Chemical compound N=C=O.N=C=O.CC1=CC=CC=C1 KCWDJXPPZHMEIK-UHFFFAOYSA-N 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000011269 tar Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000011301 petroleum pitch Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000013339 polymer-based nanocomposite Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a nano modified one-component polyurethane waterproofing paint and a preparation method thereof. The paint comprises the following ingredients in parts by weight: 120-150 parts of polyether polyol, 60-70 parts of TDI (toluene di-isocyanate), 10-20 parts of phosphoric acid, 10-20 parts of nano CaCO3, 10-20 parts of nano TiO2, 10-20 parts of nano ZnO, 1-5 parts of hexadecyl trimethyl ammonium bromide, 2-4 parts of a de-foaming agent, and 3-8 parts of dibutyltin dilaurate. By adding the nano materials to modify the waterproofing paint, the weather resistance and the acid resistance of the waterproofing paint are effectively improved, and meanwhile, the other mechanical properties of the film are also greatly improved correspondingly.
Description
Technical field
The present invention relates to a kind of waterproof paint, particularly a kind of nano-material modified single-component polyurethane water-proof paint and preparation method thereof.
Background technology
Building water-proof paint is take synthesized polymer material, pitch, polymer modified asphalt, inorganic materials etc. as main body, mixes an amount of auxiliary agent, material modified, packing material etc. and is processed into.Compare with waterproof roll, the waterproof paint construction is simple and convenient, is applicable to the basal plane of any shape, and can form fine and close seamless filming, and therefore, waterproof paint has been widely used in the various waterproofing works, and has obtained rapidly development.The waterproof paint of the industrially developed country such as American and Britain, day, method, moral all occupies suitable share in architectural waterproof material at present.In develop actively synthetic macromolecular waterproof coating and high polymer modified asphalt waterproof paint, the kinds such as positive active development water-based and inorganic water-proof coating, towards; Environment-friendly type ' direction of waterproof paint sends out.
The exploitation of China's building water-proof paint and application start from the sixties in 20th century, tankage (such as styrene tar etc.) mainly with petroleum pitch, coal tar or chemical plant were main raw material at that time, be processed into Emulsificated asphalt water-proof painting material, plastic ointment, reclaimed rubber modified waterproof asphalt material and styrene tar waterproof paint etc., these coating once obtained spread and used in waterproofing work.But because these coating or because of poor quality, waterproof layer is short working life, or because big for environment pollution, has a strong impact on the workmen is healthy, mostly has been put into obsolete product, consumption is just fewer and feweri.
The later stage seventies has been developed the polyether(poly)urethane waterproof paint; The mid-80 has been succeeded in developing again tar polyurethane water-proof paint, and large-scale popularization is applied to waterproofing work; The Ministry of Construction rectified and investigated national waterproof material market in 1989, confirmed that polyurethane water-proof paint is water-proof material trusty; After the nineties, polyurethane water-proof paint is obtained and is developed rapidly.Nineteen ninety, the Ministry of Construction classified polyurethane water-proof paint one of as the 8th Five-Year Plan for national economic and social development key popularized project, had formulated polyurethane water-proof paint building material industry standard (JC/T500-92), and came into effect in 1993; The Ministry of Construction classified non-tar polyurethane waterproofing paint as in the National Residential recommended products one of 13 kinds of water-proof materials in 1998, thereby had greatly promoted polyurethane water-proof paint applying and developing in a healthy way in the whole nation.Large for the tar polyurethane contaminative, the units such as Beijing Architectural Engineering Inst had developed a kind of polyurethane water-proof paint take petroleum pitch as filler in 1998, the units such as the ancient cooking vessel chemical building material company of Beijing gold have developed mono-composition poyurethane water-proof paint, and some units develop again solvent-free sprayed polyurethane waterproof paint subsequently.Other high molecular water-proof paint is also developed " such as acrylic ester elastic waterproof paint, silicon rubber waterproof coating meanwhile! , water-based EPT rubber waterproofing paint etc.
Yet, to compare with developed country, China's polyurethane water-proof paint overall performance is relatively poor, and quality is also unstable.Over nearly 10 years, polymer based nanocomposites is obtained rapidly development, for the modification of polyurethane water-proof paint opens up a new way.Studies show that: add inorganic nano material in dual-component polyurethane, when intensity improved, its elongation at break correspondingly also was improved.Single-component polyurethane water-proof paint is different from two components, and it is to solidify by water in air, need not add in addition solidifying agent, does not contain solvent, have no irritating odor, easy construction, in the time of can avoiding constructing because of the improper detrimentally affect that brings to the performance of waterproof coating of preparing burden.
Summary of the invention
One of purpose of the present invention is the defective for above prior art, proposes a kind of good weathering resistance, acid resistance, the waterproof paint that the performance of filming can be increased dramatically.
Two of purpose of the present invention provides the preparation method of above-mentioned waterproof paint.
In order to realize above goal of the invention, the present invention by the following technical solutions: a kind of nano modification single-component polyurethane water-proof paint is characterized in that the unit serving meter comprises following component by weight: 120～150 parts of polyether glycols; 60～70 parts of TDI; 0～20 part of phosphatase 11; Nanometer CaCO
310～20 parts; Nano-TiO
210～20 parts; 10～20 parts of nano-ZnOs; 1～5 part of cetyl trimethylammonium bromide; 2～4 parts of defoamers; 3～8 parts of dibutyl tin laurates.
Described polyether glycol is the mixture of trihydroxy-polyoxytrimethylene ether, dihydroxyl polyoxytrimethylene ether.
Prepare the method for nano modification single-component polyurethane water-proof paint of the present invention according to above prescription, may further comprise the steps:
(1) with nanometer CaCO
3, nano-TiO
2, nano-ZnO adds in the cetyl trimethylammonium bromide ultra-sonic dispersion 30min;
(2) polyether glycol, TDI, phosphoric acid add in the reactor, stir and be warming up to 80 ℃, add nanometer mixing solutions and defoamer, dibutyl tin laurate, continue to be warming up to 120 ℃, and stirring reaction 2h namely gets product.
Nano material because of it has that particle diameter is little, specific surface area is large, the particle micropore mainly with and the characteristic such as high adsorption capacity, the suspension stability of raising coating and the aspects such as bonding force between coating and the base material there are obvious effect, can significantly improve compactness, surface finish and the abrasion resistance of filming; Reduce the surface energy of smearing the surface.Nano-TiO
2Have the functions such as unique photocatalytic, excellent colour effect and ultraviolet screener, have broad application prospects at aspects such as photocatalyst, makeup, ultraviolet-resistant absorbent, function ceramics, gas-sensitive sensor devices.The particle diameter of nano-ZnO is called again ultra tiny ZnO between 1～100nm.Because the granular of particle size, specific surface area sharply increases, so that nano-ZnO has produced the not available surface effects of its body lumpy material, small-size effect and macro quanta tunnel effect etc.Nanometer CaCO
3Particle diameter is not waited by 40～80nm, is scattered in various oiliness and the water-borne coatings performance perameters such as very important resistance to sinking, stability in storage, thixotropy in the energy Effective Raise system.Add an amount of precipitated chalk in coating, the paint and use as auxiliary rheological agents, anti-settling agent, dispersion aids, can greatly reduce the consumption of titanium dioxide, do not reduce gloss and hiding rare simultaneously, have the characteristics such as good gloss, exquisiteness, transparent, quick-drying; Effectively reach the purpose of anti-ultraviolet aging and anti-thermal ageing, improve flowability and the spraying property of goods.
Beneficial effect of the present invention is: adds nano material in the waterproof paint and carries out modification, but the weathering resistance of Effective Raise waterproof paint, acid resistance, other mechanical properties of filming simultaneously are the corresponding improve that obtains answering also.
Embodiment
The present invention is further illustrated below by embodiment.
Embodiment one:
60 parts in trihydroxy-polyoxytrimethylene ether, 60 parts in dihydroxyl polyoxytrimethylene ether; 60 parts of TDI; 0 part of phosphatase 11; Nanometer CaCO
310 parts; Nano-TiO
210 parts; 10 parts of nano-ZnOs; 1 part of cetyl trimethylammonium bromide; 2 parts of defoamers; 3 parts of dibutyl tin laurates.
Embodiment two:
70 parts in trihydroxy-polyoxytrimethylene ether, 70 parts in dihydroxyl polyoxytrimethylene ether; 70 parts of TDI; 20 parts of phosphoric acid; Nanometer CaCO
320 parts; Nano-TiO
220 parts; 20 parts of nano-ZnOs; 5 parts of cetyl trimethylammonium bromides; 4 parts of defoamers; 8 parts of dibutyl tin laurates.
Embodiment three:
65 parts in trihydroxy-polyoxytrimethylene ether, 65 parts in dihydroxyl polyoxytrimethylene ether; 60 parts of TDI; 2 parts of phosphatase 11s; Nanometer CaCO
314 parts; Nano-TiO
214 parts; 14 parts of nano-ZnOs; 2 parts of cetyl trimethylammonium bromides; 3 parts of defoamers; 5 parts of dibutyl tin laurates.
Embodiment four:
75 parts in trihydroxy-polyoxytrimethylene ether, 75 parts in dihydroxyl polyoxytrimethylene ether; 60 parts of TDI; 5 parts of phosphatase 11s; Nanometer CaCO
318 parts; Nano-TiO
218 parts; 18 parts of nano-ZnOs; 4 parts of cetyl trimethylammonium bromides; 3 parts of defoamers; 6 parts of dibutyl tin laurates.
Embodiment five:
100 parts in trihydroxy-polyoxytrimethylene ether, 50 parts in dihydroxyl polyoxytrimethylene ether; 60 parts of TDI; 20 parts of phosphoric acid; Nanometer CaCO
312 parts; Nano-TiO
215 parts; 20 parts of nano-ZnOs; 4 parts of cetyl trimethylammonium bromides; 4 parts of defoamers; 8 parts of dibutyl tin laurates.
Prepare the method for nano modification single-component polyurethane water-proof paint of the present invention according to above prescription, may further comprise the steps:
(1) with nanometer CaCO
3, nano-TiO
2, nano-ZnO adds in the cetyl trimethylammonium bromide ultra-sonic dispersion 30min;
(2) polyether glycol, TDI, phosphoric acid add in the reactor, stir and be warming up to 80 ℃, add nanometer mixing solutions and defoamer, dibutyl tin laurate, continue to be warming up to 120 ℃, and stirring reaction 2h namely gets product.
According to the above-mentioned technological process of production produce waterproof paint can be between-14～40 ℃ film forming; Surface drying time is less than 4 h, and the time of doing solid work is not more than 8 h; Film forming caudacoria surface is more smooth.The coating products performance is tensile strength 19.21MPa, elongation at break 187%, bonding strength 5.60MPa with base material (concrete), uv irradiating (500W, 100h) coating is unchanged, low temperature-40 ℃ flawless, watertightness are that lower 60 minutes of 0.5MPa is waterproof, and weathering resistance and acid resistance significantly improve.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (3)
1. nano modification single-component polyurethane water-proof paint is characterized in that the unit serving meter comprises following component by weight:
120～150 parts of polyether glycols;
60～70 parts of TDI;
0～20 part of phosphatase 11;
Nanometer CaCO
310～20 parts;
Nano-TiO
210～20 parts;
10～20 parts of nano-ZnOs;
1～5 part of cetyl trimethylammonium bromide
2～4 parts of defoamers;
3～8 parts of dibutyl tin laurates.
2. nano modification single-component polyurethane water-proof paint according to claim 1, it is characterized in that: described polyether glycol is the mixture of trihydroxy-polyoxytrimethylene ether, dihydroxyl polyoxytrimethylene ether.
3. the preparation method of nano modification single-component polyurethane water-proof paint according to claim 1 is characterized in that may further comprise the steps:
(1) with nanometer CaCO
3, nano-TiO
2, nano-ZnO adds in the cetyl trimethylammonium bromide ultra-sonic dispersion 30min;
(2) polyether glycol, TDI, phosphoric acid add in the reactor, stir and be warming up to 80 ℃, add nanometer mixing solutions and defoamer, dibutyl tin laurate, continue to be warming up to 120 ℃, and stirring reaction 2h namely gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210425152.7A CN102993940B (en) | 2012-10-31 | 2012-10-31 | Nano modified one-component polyurethane waterproofing paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210425152.7A CN102993940B (en) | 2012-10-31 | 2012-10-31 | Nano modified one-component polyurethane waterproofing paint and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102993940A true CN102993940A (en) | 2013-03-27 |
| CN102993940B CN102993940B (en) | 2015-07-01 |
Family
ID=47923068
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|---|---|---|---|
| CN201210425152.7A Expired - Fee Related CN102993940B (en) | 2012-10-31 | 2012-10-31 | Nano modified one-component polyurethane waterproofing paint and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102993940B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802480A (en) * | 2016-04-05 | 2016-07-27 | 陈瑞言 | Single-component polyurethane coating and preparation method thereof |
| CN106188466A (en) * | 2016-07-12 | 2016-12-07 | 南京工业职业技术学院 | A kind of vehicle glass nano modified polyurethane membrane material and preparation method thereof |
| CN113352522A (en) * | 2021-05-26 | 2021-09-07 | 厦门台盾防水科技有限公司 | Production method of high polymer modified asphalt self-adhesive coiled material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328389A (en) * | 2008-07-25 | 2008-12-24 | 魏大勇 | Nanometer grade environment-friendly type color aqueous waterproof coating material |
| CN101985542A (en) * | 2010-10-25 | 2011-03-16 | 北京首创纳米科技有限公司 | Wind blade coating and preparation method thereof |
| CN102533200A (en) * | 2012-02-29 | 2012-07-04 | 广州睿腾化工产品有限公司 | Bi-component polyurethane adhesive |
-
2012
- 2012-10-31 CN CN201210425152.7A patent/CN102993940B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328389A (en) * | 2008-07-25 | 2008-12-24 | 魏大勇 | Nanometer grade environment-friendly type color aqueous waterproof coating material |
| CN101985542A (en) * | 2010-10-25 | 2011-03-16 | 北京首创纳米科技有限公司 | Wind blade coating and preparation method thereof |
| CN102533200A (en) * | 2012-02-29 | 2012-07-04 | 广州睿腾化工产品有限公司 | Bi-component polyurethane adhesive |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802480A (en) * | 2016-04-05 | 2016-07-27 | 陈瑞言 | Single-component polyurethane coating and preparation method thereof |
| CN105802480B (en) * | 2016-04-05 | 2018-03-27 | 陈瑞言 | A kind of one-can urethane coating and preparation method thereof |
| CN106188466A (en) * | 2016-07-12 | 2016-12-07 | 南京工业职业技术学院 | A kind of vehicle glass nano modified polyurethane membrane material and preparation method thereof |
| CN113352522A (en) * | 2021-05-26 | 2021-09-07 | 厦门台盾防水科技有限公司 | Production method of high polymer modified asphalt self-adhesive coiled material |
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| CN102993940B (en) | 2015-07-01 |
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Inventor after: Zhang Xiaofan Inventor before: Wang Yang |
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Effective date of registration: 20151109 Address after: 530003, the Guangxi Zhuang Autonomous Region, Nanning hi tech Zone, 26 high-tech six road, hung hung science and Technology Park production workshop Patentee after: Guangxi Nanning Qishun Chemical Co.,Ltd. Address before: 210000 No. 207, Ning Gong Er village, Gulou District, Jiangsu, Nanjing Patentee before: Wang Yang |
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Granted publication date: 20150701 |