CN102504635B - Preparation method of environment-friendly putty - Google Patents
Preparation method of environment-friendly putty Download PDFInfo
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- CN102504635B CN102504635B CN201110366909.5A CN201110366909A CN102504635B CN 102504635 B CN102504635 B CN 102504635B CN 201110366909 A CN201110366909 A CN 201110366909A CN 102504635 B CN102504635 B CN 102504635B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 22
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims abstract description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 claims abstract description 12
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004952 Polyamide Substances 0.000 claims abstract description 11
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 11
- 229920002647 polyamide Polymers 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 11
- 229920006337 unsaturated polyester resin Polymers 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004342 Benzoyl peroxide Substances 0.000 claims abstract description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 8
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 20
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 17
- 230000007613 environmental effect Effects 0.000 claims description 12
- CDULGHZNHURECF-UHFFFAOYSA-N 2,3-dimethylaniline 2,4-dimethylaniline 2,5-dimethylaniline 2,6-dimethylaniline 3,4-dimethylaniline 3,5-dimethylaniline Chemical group CC1=CC=C(N)C(C)=C1.CC1=CC=C(C)C(N)=C1.CC1=CC(C)=CC(N)=C1.CC1=CC=C(N)C=C1C.CC1=CC=CC(N)=C1C.CC1=CC=CC(C)=C1N CDULGHZNHURECF-UHFFFAOYSA-N 0.000 claims description 10
- 238000007605 air drying Methods 0.000 claims description 10
- JGUQDUKBUKFFRO-CIIODKQPSA-N dimethylglyoxime Chemical compound O/N=C(/C)\C(\C)=N\O JGUQDUKBUKFFRO-CIIODKQPSA-N 0.000 claims description 10
- 229960001866 silicon dioxide Drugs 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- -1 BYK-980 Chemical compound 0.000 claims description 6
- 239000006210 lotion Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 16
- 230000001988 toxicity Effects 0.000 abstract description 2
- 231100000419 toxicity Toxicity 0.000 abstract description 2
- 239000012855 volatile organic compound Substances 0.000 abstract description 2
- JGUQDUKBUKFFRO-GGWOSOGESA-N (NE)-N-[(3E)-3-hydroxyiminobutan-2-ylidene]hydroxylamine Chemical compound O\N=C(/C)\C(\C)=N\O JGUQDUKBUKFFRO-GGWOSOGESA-N 0.000 abstract 1
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 abstract 1
- 239000000440 bentonite Substances 0.000 abstract 1
- 229910000278 bentonite Inorganic materials 0.000 abstract 1
- 235000010270 methyl p-hydroxybenzoate Nutrition 0.000 abstract 1
- 239000004292 methyl p-hydroxybenzoate Substances 0.000 abstract 1
- 229960002216 methylparaben Drugs 0.000 abstract 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 abstract 1
- 229960001124 trientine Drugs 0.000 abstract 1
- 235000010215 titanium dioxide Nutrition 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005034 decoration Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 3
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Abstract
The invention discloses a preparation method of environment-friendly putty. A putty main body comprises air-dry water-based unsaturated polyester resin, phenethylene, triethylene tetramine, dimethyl aniline, polymethyl methacrylate, BYK-980, diacetyl dioxime, polyamide wax, methylparaben, hollow glass microballoon, bentonite, calcium carbonate, titanium dioxide, glass fiber and barium sulphate; curing agent comprises benzoyl peroxide, dibutlyl phthalate and silica; and the preparation method comprises the steps of preparing the putty main body, preparing the curing agent, and preparing the putty. The putty prepared by using the method provided by the invention has the advantages that the content of volatile organic compound is reduced, the odor is less, and the toxicity is low, so that the environment protection performance is good.
Description
Technical field
The present invention relates to chemistry painting industry field, particularly a kind of preparation method of environmental protection atomized ash.
Background technology
Along with improving constantly that social progress and people require daily life tools, the material that more and more can be convenient for people to daily life occurs in a large number.The goods that can be convenient for people to daily life along with social progress is various appear in people's life in a large number, such as, automobile and various vessel, but due to the limitation of present industrial technology means, these products were all some parts in bulk or plate bodys before processed production becomes finished product.And in the process of the parts that these are in bulk or plate body splicing all-in-one-piece product, connection all parts or plate body become one and just become critical processing step.If these processing step processing is good, the whole structure of product can reach more satisfactory state, once these processing step processing is bad, the whole structure of product just there will be larger drop.
As mentioned above, splicing process between processing element or plate body is the important means that embodies product appearance effect, and especially important with seam technique in such technique, and the integral part that determines seam processing quality has been exactly joint filler that manufacturer adopts.If joint filler select good, the part of seam is comparatively level and smooth, is smaller to the appearance effects of product entirety, if but joint filler select bad, so often the appearance effect of product entirety is had to larger impact.
With regard to present people's life, automobile has entered into the daily life of people as a kind of commonplace vehicles are very general, and the outward appearance of the automobile aspect that people relatively pay close attention to often, its appearance effect of new automobile is reasonable often, but after driver drives a car generation traffic accident, due to impact effect each other, must cause damaged on car surface shell.How repairing so damaged outward appearance that makes automobile and return to the state before collision, is the problem that vast car steering person pays close attention to the most.
Along with a kind of seam repair materials of social progress is invented by people, Here it is is atomized ash, the effect that its seam that is mainly used in producing between metal, nonmetal and other materials in the process of splicing is repaired, filled and led up.
Atomized ash is as a kind of more novel material, and it is taking unsaturated polyester as main component, adds other associated materials simultaneously and stirs and to make.It is higher etc. that its major advantage has the fast and intensity of curing speed.But with regard to traditional atomized ash, it is just more powerful than the characteristic of traditional putty, but due to the restriction of its formula materials, its performance does not still reach people's requirement.
Particularly; in the more and more higher situation of the performance requriements of atomized ash product surface decoration; along with user's improving constantly environmental protection concept understanding level; the enhancing of the environmental protection concept to use and workmen's protection simultaneously; especially at high-grade motor vehicle repair, high-grade house decoration, decoration industry, people are to having good workability and to meet the atomized ash product demand of environmental requirement huge.
Summary of the invention
For the deficiencies in the prior art, one of object of the present invention is to provide a kind of preparation method of environmental protection atomized ash.
For achieving the above object, the technical solution used in the present invention is as follows:
A preparation method for environmental protection atomized ash, described atomized ash is made up of main body and two kinds of components of solidifying agent, is main body by weight: solidifying agent=100 when use: 2, mix, described main body is made up of following composition by weight: air drying type water-based unsaturated polyester resin 56-60 part, vinylbenzene 2-5 part, Triethylenetetramine (TETA) 0.5-0.8 part, xylidine 0.8-1.2 part, polymethylmethacrylate 1.2-1.5 part, BYK-9801.2-1.6 part, dimethylglyoxime 0.01-0.02 part, polyamide wax 0.015-0.025 part, Tegosept M 0.2-0.3 part, hollow glass micropearl 4-8 part, wilkinite 1-3 part, calcium carbonate 5-7 part, titanium dioxide 10-15 part, glass fibre 1-2 part, barium sulfate 3-5 part, solidifying agent is made up of by weight following composition: benzoyl peroxide 60-64 part, dibutyl phthalate 20-24 part, silicon-dioxide 4-8 part, described preparation method is as follows:
1) main body: air drying type water-based unsaturated polyester resin is dropped in reactor by said ratio, under rotating speed 600-640r/min stirs, drop into respectively Triethylenetetramine (TETA), xylidine, polymethylmethacrylate, BYK-980, dimethylglyoxime, polyamide wax, Tegosept M, keep rotating speed to stir 35-45 minute, then add glass fibre and hollow glass micropearl to stir 10-15 minute under the rotating speed of 500-560r/min, add again wilkinite, calcium carbonate, titanium dioxide and barium sulfate are under the rotating speed of 860-920r/min, stir 50-60 minute, grind and can be made into finished product main body through colloidal mill,
2) solidifying agent: by said ratio, benzoyl peroxide, dibutyl phthalate, silicon-dioxide are put into reactor and stir 15-25 minute under the rotating speed of 600-800r/min, and grind to form even lotion;
3) atomized ash: when use, by the main body of above-mentioned preparation and solidifying agent according to main body: solidifying agent=100: 2, mix.
The present invention, compared with existing other atomized ash, has following beneficial effect:
1) atomized ash that prepared by the inventive method reduces the content of volatile organic compounds, and smell is little, toxicity is low, therefore good environmental protection.
2) the present invention is on the basis of lot of experiments, optimize the design of atomized ash each component, and adjust preparation method according to its component, make the excellent combination property of the atomized ash of preparation: construction use properties is good, fillibility and the anti-contracility of product are improved, film forming defensive position sense exquisiteness, smooth densification are scraped in painting, and good with the matching performance of main flow paint on the market.
Embodiment
Embodiment mono-
A preparation method for environmental protection atomized ash, described atomized ash is made up of main body and two kinds of components of solidifying agent, is main body by weight: solidifying agent=100 when use: 2, mix, described main body is made up of following composition by weight: 56 parts of air drying type water-based unsaturated polyester resins, 5 parts of vinylbenzene, 0.5 part of Triethylenetetramine (TETA), 1.2 parts of xylidines, 1.2 parts of polymethylmethacrylates, BYK-9801.6 part, 0.01 part of dimethylglyoxime, 0.025 part of polyamide wax, 0.2 part of Tegosept M, 8 parts of hollow glass micropearls, 1 part of wilkinite, 7 parts, calcium carbonate, 10 parts of titanium dioxides, 2 parts, glass fibre, 3 parts, barium sulfate, solidifying agent is made up of by weight following composition: 64 parts of benzoyl peroxides, 20 parts of dibutyl phthalates, 8 parts of silicon-dioxide, described preparation method is as follows:
1) main body: air drying type water-based unsaturated polyester resin is dropped in reactor by said ratio, under rotating speed 600r/min stirs, drop into respectively Triethylenetetramine (TETA), xylidine, polymethylmethacrylate, BYK-980, dimethylglyoxime, polyamide wax, Tegosept M, keep rotating speed to stir 45 minutes, then add glass fibre and hollow glass micropearl under the rotating speed of 500r/min, to stir 15 minutes, add again wilkinite, calcium carbonate, titanium dioxide and barium sulfate are under the rotating speed of 860r/min, stir 60 minutes, grind and can be made into finished product main body through colloidal mill,
2) solidifying agent: by said ratio, benzoyl peroxide, dibutyl phthalate, silicon-dioxide are put into reactor and under the rotating speed of 600r/min, stir 25 minutes, and grind to form even lotion;
3) atomized ash: when use, by the main body of above-mentioned preparation and solidifying agent according to main body: solidifying agent=100: 2, mix.
Embodiment bis-
A preparation method for environmental protection atomized ash, described atomized ash is made up of main body and two kinds of components of solidifying agent, is main body by weight: solidifying agent=100 when use: 2, mix, described main body is made up of following composition by weight: 60 parts of air drying type water-based unsaturated polyester resins, 2 parts of vinylbenzene, 0.8 part of Triethylenetetramine (TETA), 0.8 part of xylidine, 1.5 parts of polymethylmethacrylates, BYK-9801.2 part, 0.02 part of dimethylglyoxime, 0.015 part of polyamide wax, 0.3 part of Tegosept M, 4 parts of hollow glass micropearls, 3 parts of wilkinites, 5 parts, calcium carbonate, 15 parts of titanium dioxides, 1 part, glass fibre, 5 parts, barium sulfate, solidifying agent is made up of by weight following composition: 60 parts of benzoyl peroxides, 24 parts of dibutyl phthalates, 4 parts of silicon-dioxide, described preparation method is as follows:
1) main body: air drying type water-based unsaturated polyester resin is dropped in reactor by said ratio, under rotating speed 640r/min stirs, drop into respectively Triethylenetetramine (TETA), xylidine, polymethylmethacrylate, BYK-980, dimethylglyoxime, polyamide wax, Tegosept M, keep rotating speed to stir 35 minutes, then add glass fibre and hollow glass micropearl under the rotating speed of 560r/min, to stir 10 minutes, add again wilkinite, calcium carbonate, titanium dioxide and barium sulfate are under the rotating speed of 920r/min, stir 50 minutes, grind and can be made into finished product main body through colloidal mill,
2) solidifying agent: by said ratio, benzoyl peroxide, dibutyl phthalate, silicon-dioxide are put into reactor and under the rotating speed of 800r/min, stir 15 minutes, and grind to form even lotion;
3) atomized ash: when use, by the main body of above-mentioned preparation and solidifying agent according to main body: solidifying agent=100: 2, mix.
Embodiment tri-
A preparation method for environmental protection atomized ash, described atomized ash is made up of main body and two kinds of components of solidifying agent, is main body by weight: solidifying agent=100 when use: 2, mix, described main body is made up of following composition by weight: 58 parts of air drying type water-based unsaturated polyester resins, 3.5 parts of vinylbenzene, 0.65 part of Triethylenetetramine (TETA), 1.0 parts of xylidines, 1.35 parts of polymethylmethacrylates, BYK-9801.4 part, 0.015 part of dimethylglyoxime, 0.020 part of polyamide wax, 0.25 part of Tegosept M, 6 parts of hollow glass micropearls, 2 parts of wilkinites, 6 parts, calcium carbonate, 12.5 parts of titanium dioxides, 1.5 parts, glass fibre, 4 parts, barium sulfate, solidifying agent is made up of by weight following composition: 62 parts of benzoyl peroxides, 22 parts of dibutyl phthalates, 6 parts of silicon-dioxide, described preparation method is as follows:
1) main body: air drying type water-based unsaturated polyester resin is dropped in reactor by said ratio, under rotating speed 620r/min stirs, drop into respectively Triethylenetetramine (TETA), xylidine, polymethylmethacrylate, BYK-980, dimethylglyoxime, polyamide wax, Tegosept M, keep rotating speed to stir 40 minutes, then add glass fibre and hollow glass micropearl under the rotating speed of 530r/min, to stir 13 minutes, add again wilkinite, calcium carbonate, titanium dioxide and barium sulfate are under the rotating speed of 890r/min, stir 55 minutes, grind and can be made into finished product main body through colloidal mill,
2) solidifying agent: by said ratio, benzoyl peroxide, dibutyl phthalate, silicon-dioxide are put into reactor and under the rotating speed of 700r/min, stir 20 minutes, and grind to form even lotion;
3) atomized ash: when use, by the main body of above-mentioned preparation and solidifying agent according to main body: solidifying agent=100: 2, mix.
Applicant's statement, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, and the selections of the equivalence replacement to the each raw material of product of the present invention and the interpolation of ancillary component, concrete mode etc., within all dropping on protection scope of the present invention and open scope.
Claims (1)
1. a preparation method for environmental protection atomized ash, described atomized ash is made up of main body and two kinds of components of solidifying agent, is main body by weight: solidifying agent=100 when use: 2, mix, it is characterized in that, described main body is made up of following composition by weight: air drying type water-based unsaturated polyester resin 56-60 part, vinylbenzene 2-5 part, Triethylenetetramine (TETA) 0.5-0.8 part, xylidine 0.8-1.2 part, polymethylmethacrylate 1.2-1.5 part, BYK-9801.2-1.6 part, dimethylglyoxime 0.01-0.02 part, polyamide wax 0.015-0.025 part, Tegosept M 0.2-0.3 part, hollow glass micropearl 4-8 part, wilkinite 1-3 part, calcium carbonate 5-7 part, titanium dioxide 10-15 part, glass fibre 1-2 part, barium sulfate 3-5 part, solidifying agent is made up of by weight following composition: benzoyl peroxide 60-64 part, dibutyl phthalate 20-24 part, silicon-dioxide 4-8 part, described preparation method is as follows:
1) main body: air drying type water-based unsaturated polyester resin is dropped in reactor by said ratio, under rotating speed 600-640r/min stirs, drop into respectively Triethylenetetramine (TETA), xylidine, polymethylmethacrylate, BYK-980, dimethylglyoxime, polyamide wax, Tegosept M, keep rotating speed to stir 35-45 minute, then add glass fibre and hollow glass micropearl to stir 10-15 minute under the rotating speed of 500-560r/min, add again wilkinite, calcium carbonate, titanium dioxide and barium sulfate are under the rotating speed of 860-920r/min, stir 50-60 minute, grind and can be made into finished product main body through colloidal mill,
2) solidifying agent: by said ratio, benzoyl peroxide, dibutyl phthalate, silicon-dioxide are put into reactor and stir 15-25 minute under the rotating speed of 600-800r/min, and grind to form even lotion;
3) atomized ash: when use, by the main body of above-mentioned preparation and solidifying agent according to main body: solidifying agent=100: 2, mix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110366909.5A CN102504635B (en) | 2011-11-18 | 2011-11-18 | Preparation method of environment-friendly putty |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110366909.5A CN102504635B (en) | 2011-11-18 | 2011-11-18 | Preparation method of environment-friendly putty |
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| Publication Number | Publication Date |
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| CN102504635A CN102504635A (en) | 2012-06-20 |
| CN102504635B true CN102504635B (en) | 2014-06-04 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103146241B (en) * | 2012-12-11 | 2015-12-02 | 亮克威泽(北京)涂料科技有限公司 | Unsaturated polyester putty host and preparation method thereof for railway locomotive and the putty containing this host |
| CN116606562B (en) * | 2023-04-27 | 2024-03-12 | 英德市城泰化工有限公司 | Preparation method of high-dispersivity paste benzoyl peroxide for sheet metal ash |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250256A (en) * | 2008-03-28 | 2008-08-27 | 武汉理工大学 | Method for synthesizing unsaturated polyester resin |
| CN101284959A (en) * | 2008-06-02 | 2008-10-15 | 中山市三和气雾有限公司 | Atomic ash special for wood decoration |
| CN101519566A (en) * | 2008-09-17 | 2009-09-02 | 陈杰新 | Method for producing automobil putty |
-
2011
- 2011-11-18 CN CN201110366909.5A patent/CN102504635B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250256A (en) * | 2008-03-28 | 2008-08-27 | 武汉理工大学 | Method for synthesizing unsaturated polyester resin |
| CN101284959A (en) * | 2008-06-02 | 2008-10-15 | 中山市三和气雾有限公司 | Atomic ash special for wood decoration |
| CN101519566A (en) * | 2008-09-17 | 2009-09-02 | 陈杰新 | Method for producing automobil putty |
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| CN102504635A (en) | 2012-06-20 |
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