CN103059243B - Metal protective layer composition and application thereof - Google Patents
Metal protective layer composition and application thereof Download PDFInfo
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- CN103059243B CN103059243B CN201110320262.2A CN201110320262A CN103059243B CN 103059243 B CN103059243 B CN 103059243B CN 201110320262 A CN201110320262 A CN 201110320262A CN 103059243 B CN103059243 B CN 103059243B
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Abstract
The invention relate to a metal protective layer composition and a product containing the same. A coating which is formed after the metal protective layer composition is coated on metal layers of uneven surfaces such as paper and the like or flat surfaces such as cards and the like, can prevent the metal layers on the uneven surfaces or the flat surfaces from erosion by a corrosion liquid after being subjected to strong impact of a metal mold at a high temperature, thereby reaching a good protective effect.
Description
Technical field
The application relates to metal protection layer composition, product containing this metal protection layer composition and this metal protection layer composition in guard metal layer, particularly protects the purposes be coated with in the anti-fake material of metal level.
Background technology
Along with various commercial activity is increased, the circulation of all kinds of bank card, identification card, information memory card and various member card or paper etc. and usage quantity increase, society is to all kinds of bank card, and identification card and paper etc. propose more strict safety anti-fake technical requirements.High-end product generally all uses anti-fake material with optical anti-counterfeit element to realize antifalse effect.But the plastics of subsidiary anti-fake material and paper, particularly paper need finally to become banknote through very complicated technological process.And the technological process of all these complexity is nearly all destructive to the protective coating of anti-fake material, even the technological process of the stickup or thermoprint anti-fake material of carrying out high pressure pulses process at irregular surface metal die under high temperature is all to protective coating very disruptive.Therefore need badly at high temperature, after high pressure pulses, anti-fake material still effectively can be prevented to be subject to the erosion of the corrosive fluid such as acid, alkali, possess the protective coating of its false proof value.
Summary of the invention
In order to solve one of problems of the prior art, the application is intended to by being provided for guard metal layer, is coated with the metal protection layer composition of the anti-fake material of metal level and the product containing this metal protection layer composition especially for protection.
The metal protection layer composition of the application is after being applied to the metal level on the flat surfaces such as unfairness surface or such as card such as such as paper, and this coating at high temperature on unfairness surface or flat surface still can effectively prevent metal level to be subject to the erosion of corrosive fluid by after metal die high pressure pulses.And when the metal protection layer composition thickness be coated on metal level of the application is only 1 μm-2 μm, this coating still has good erosion resistance.Preferably, the metal protection layer composition of the application also has other advantages, such as good recoatability energy, snappiness, adhesivity and drying property.
On the one hand, the application relates to metal protection layer composition.Based on the gross weight of described metal protection layer composition, this metal protection layer composition comprises following component:
(1) the main resin of 5wt%-40wt%, described main resin is the polyester that hydroxyl value is greater than 120;
(2) Nitrocellulose of 3wt%-20wt%, described Nitrocellulose is the low nitrogen Nitrocellulose of nitrogen content < 12%;
(3) linking agent of 5wt%-35wt%, described linking agent is aliphatic isocyanates oligomer; And
(4) organic solvent of 10wt%-85wt%.
On the other hand, the application relates to the product, particularly anti-fake product containing the metal protection layer composition described in the application.
Again on the one hand, the application relates to metal protection layer composition described in the application in guard metal layer, particularly protects the purposes be coated with in the anti-fake material of metal level.
Embodiment
Following description comprises some detail so that the various disclosed embodiment of thorough.But various equivalent modifications should be appreciated that and without the need to one or more these details, or can use the practice embodiments such as other method, composition, material.
" embodiment ", " embodiment ", " in another embodiment " mentioned in whole specification sheets, " some embodiment " or " in certain embodiments " refer to relevant to described embodiment described by the feature be specifically related to, structure or characteristic be included at least one embodiment.Therefore, the phrase " in one embodiment " of each the local appearance in whole specification sheets, " in embodiments ", " in another embodiment " or " in certain embodiments " need not all refer to identical embodiment.In addition, specific features, structure or characteristic can combine in any suitable manner in one or more embodiments.
Unless had clearly contrary expression, the following term used in the specification and the appended claims has the following meaning:
Term " hydroxyl value " refers to the milligram number of the potassium hydroxide (KOH) that amount of hydroxyl groups in 1g sample is suitable in this application, represents with mgKOH/g.
Term " polyester " refers to the polymkeric substance by binary or polyvalent alcohol and binary or polyprotonic acid polycondensation in this application.Term " hydroxyl polyester " is also called polyester polyol or polyesterols, is the saturated polyester of hydroxyl, and it reacts preparation by organic polycarboxylic acid (or acid anhydrides) with polyhydric alcohol.
In this application term " aliphatics " refer to primarily of carbon atom and hydrogen atom composition, straight chain, side chain or ring-type, saturated or undersaturated hydrocarbon.It can be straight chain aliphatic hydrocarbons, branched aliphatic hydrocarbons and alicyclic hydrocarbon, also can be alkane, alkene or alkynes.Outside dehydrogenation, also can there is other atom, such as oxygen, nitrogen, sulphur and chlorine.
Term " low nitrogen Nitrocellulose " is also called low nitration Mierocrystalline cellulose in this application.Industrial Nitrocellulose to be divided into No. 1 strong cotton (nitrogenous >=13.13%), No. 2 strong cotton (nitrogenous 11.9% ~ 12.4%), No. 3 weak cottons (nitrogenous 11.8% ~ 12.1%), quick-fried collodion (nitrogenous 11.94% ~ 12.3%), pyroxylin (nitrogenous 12.5% ~ 12.7%), varnish cotton (nitrogenous 11.6% ~ 12.2%), zylonite cotton (nitrogenous 10.8% ~ 11.2%) etc.For the ease of understanding, document is had again to claim collodion the NC of nitrogenous≤12.4%, the title guncotton of nitrogenous > 12.4%.
On the one hand, the application relates to metal protection layer composition.Based on the gross weight of described metal protection layer composition, this metal protection layer composition comprises following component:
(1) the main resin of 5wt%-40wt%, described main resin is the polyester that hydroxyl value is greater than 120;
(2) Nitrocellulose of 3wt%-20wt%, described Nitrocellulose is the low nitrogen Nitrocellulose of nitrogen content < 12%;
(3) linking agent of 5wt%-35wt%, described linking agent is aliphatic isocyanates oligomer; And
(4) organic solvent of 10wt%-85wt%.
In some embodiment of the application, described polyester is preferably hydroxyl polyester, is more preferably collateralization hydroxyl polyester, and its viscosity is 15,000-45,000mPa.s.
In some embodiment of the application, the number-average molecular weight of described polyester is 200-2000, is preferably 300-1000.
In some embodiment of the application, the solid content of described polyester is 50wt%-80wt%, is preferably 55wt%-75wt%.
In some embodiment of the application, measure the viscosity of described Nitrocellulose through falling ball method, the falling sphere time is for being not more than 1/16 second.
In some embodiment of the application, described Nitrocellulose is the low nitrogen nitrocotton of nitrogen content < 12%, measures the viscosity of described Nitrocellulose through falling ball method, and the falling sphere time is for being not more than 1/16 second.
In some embodiment of the application, described linking agent is aliphatic isocyanates oligomer, includes but not limited to aliphatic isocyanates dimer, tripolymer or the tetramer, such as hexamethylene diisocyanate or isophorone diisocyanate.
In some embodiment of the application, be not 10wt%-25wt% by the-NCO of amination content in described aliphatic isocyanates oligomer, be preferably 15wt%-20wt%.
In some embodiment of the application, the number-average molecular weight of described aliphatic isocyanates oligomer is 100-800, is preferably 150-400.
In some embodiment of the application, described aliphatic isocyanate oligomers is preferably N3390, N75 and N1451 of Bayer Materials Co., Ltd.
In some embodiment of the application, in the metal protection layer composition described in the application, the content of described polyester is 10wt%-25wt%.
In some embodiment of the application, in the metal protection layer composition described in the application, the content of described Nitrocellulose is 8wt%-18wt%.
In some embodiment of the application, in the metal protection layer composition described in the application, the content of described aliphatic isocyanates oligomer is 7wt%-20wt%.
In some embodiment of the application, described organic solvent is preferably mixed solvent, is more preferably the mixture of ester solvent and ketone solvent.
In some embodiment of the application, described ester solvent includes but not limited to methyl-formiate, ethyl formate, propyl formate, isopropyl formate, butyl formate, tetryl formate, pentyl formate, isoamyl formate, benzyl formate, methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate, butylacetate, isobutyl acetate, pentyl acetate, Isoamyl Acetate FCC, methyl isopentyl ester, hexalin acetate, jasmal, methyl propionate, ethyl propionate, propyl propionate, n-butyl propionate, amyl propionate, methyl-butyrate, the mixture of ethyl butyrate or the positive butyl ester of butyric acid and above-mentioned solvent.Described ketone solvent includes but not limited to the mixture of acetone, butanone, methylacetone, 3-hexanone, espeleton, mibk, 2-methyl propione, 4-methyl 2 pentanone, 2-heptanone, 3-heptanone, 2-heptanone, methyln-hexyl ketone and pimelinketone and above-mentioned solvent.
In addition, those skilled in the art can understand, kind for organic solvent of the present invention is not limited to the mixture of ester solvent and ketone solvent, can be the mixture of alcohol, alkane, aromatic hydrocarbons, acid amides and ether solvent, as long as main resin used in the present invention, Nitrocellulose and linking agent can fully dissolve just passable by it.Those skilled in the art can according to the mixture needing the suitable organic solvent of selection or suitable organic solvent of practice.
In some embodiment of the application, in described metal protection layer composition, the weight ratio of described ester solvent and ketone solvent is 2: 5-5: 2, is preferably 3: 5-5: 3, is more preferably 1: 1.In addition, those skilled in the art can according to the weight ratio needing the suitable ester solvent of selection and ketone solvent of practice.
In some embodiment of the application, described metal protection layer composition also can comprise auxiliary agent.
In some embodiment of the application, the auxiliary agent in described metal protection layer composition is such as adding rapid-drying properties and semi-drying coating oxidation, polymerization, drying, the siccative of process of setting, flow agent, defoamer, antioxidant or its mixture.
In some embodiment of the application, described siccative is such as the metallic soap of naphthenic acid or isocaprylic acid (2 ethyl hexanoic acid), and metal conventional in metallic soap has Co, Mn, Ce, V, Fe, Li, K, Ca, Sr, Ba, Al, Sn, Pb, Bi, Ti, Cr, Ni, Cu, Zn, Zr, Mo, Nd etc.
In addition, those of ordinary skill in the art can be easy to kind and the consumption thereof of grasping other auxiliary agent used according to actual needs.
Metal protection layer composition described in the application is water white, and it has good protective value.After the metal protection layer composition of the application being applied to the metal level on the flat surfaces such as unfairness surface or such as card such as such as paper, at high temperature on unfairness surface or flat surface, this coating still can effectively prevent metal level to be subject to the erosion of corrosive fluid by after metal die high pressure pulses.
And when the metal protection layer composition thickness be coated on metal level described in the application is only 1 μm-2 μm, this coating still has good erosion resistance.Preferably, the metal protection layer composition described in the application also has other advantage, such as good recoatability energy, snappiness, adhesivity and drying property.
Metal protection layer composition described in the application improves the corrosion resistance nature of metal level; the punching press manufacture craft under different operating environment can be applied to; ensure that the stable of quality, be thus specially adapted to need the circulation of that thermoprint anti-fake material etc. has optical anti-counterfeit element, that have complicated subsequent machining technology process cheque paper, Valued Securities etc. to use.
On the other hand, the application relates to the product, particularly anti-fake product containing the metal protection layer composition described in the application.
Again on the one hand, the application relates to metal protection layer composition described in the application in guard metal layer, particularly protects the purposes be coated with in the anti-fake material of metal level.
With reference to following examples, the present invention can be understood more fully.Those skilled in the art can understand following examples and just exemplarily the present invention are described, not limit the scope of the invention.
Embodiment
Embodiment 1.1
At normal temperatures, take 8g Nitrocellulose and be placed in 200ml beaker, then take 27g ethyl acetate respectively and 43g methylethylketone adds beaker, be stirred to without precipitation, finally take 10g polyester and add beaker, stir.Taking 9g linking agent again adds in beaker, stirs, obtained metal protection layer composition of the present invention.
Embodiment 1.2
At normal temperatures, take 18g Nitrocellulose and be placed in 200ml beaker, then take 25g butylacetate respectively and 15g acetone adds in beaker, be stirred to without precipitation, finally take 25g polyester and add beaker, stir.Taking 17g linking agent again adds in beaker, stirs, obtained metal protection layer composition of the present invention.
Embodiment 1.3
At normal temperatures, take 20g Nitrocellulose and be placed in 200ml beaker, then take 30g methyl acetate respectively and 33g methylethylketone adds beaker, be stirred to without precipitation, finally take 20g polyester and add beaker, stir.Taking 17g linking agent again adds in beaker, stirs, obtained metal protection layer composition of the present invention.
Embodiment 1.4
At normal temperatures, take 18g Nitrocellulose and be placed in 200ml beaker, then take 34g propyl acetate respectively and 30g acetone adds beaker, be stirred to without precipitation, finally take 15g polyester and add beaker, stir.Taking 13g linking agent again adds in beaker, stirs, obtained metal protection layer composition of the present invention.
Embodiment 2.1-2.2
Use polyester (the Desmophen 670BA that hydroxyl value is less than 100; Bayer Material Science company limited) replace in alternative embodiment 1.1 and embodiment 1.3 polyester beyond; the content of polyester and other component and content thereof remain unchanged, and adopt embodiment 1.1 and the same procedure described in embodiment 1.3 to prepare the metal protection layer composition of embodiment 2.1-embodiment 2.2 respectively.
Embodiment 2.3
Reduce the amount of Nitrocellulose in embodiment 1.4 to 2g, other component and content thereof remain unchanged, and adopt the same procedure described in embodiment 1.4 to prepare the metal protection layer composition of embodiment 2.3.
Appraisal procedure
Use the metal protection layer composition obtained in above-described embodiment to prepare sample to be tested (by metal protection layer composition blade coating on the thermal transfer film of aluminizing, and then be coated with hot stamping glue, cheque paper carry out thermoprint with thermoprinting machine and tests).The following describe and alkali resistance, snappiness, adhesivity and drying property are evaluated.
Preparation test sample
The PET film of band peel ply is coated with the metal protection layer composition obtained in above-described embodiment, warm air drying respectively with Wen Kaier automatic coating instrument, and then aluminizes in coating, obtained thermal transfer film.Thermal transfer film is coated with corresponding respectively on Wen Kaier automatic coating instrument the metal protection layer composition obtained in above-described embodiment, and warm air drying, coating thickness is 1 μm-2 μm.And then be coated with hot stamping glue respectively, warm air drying with Wen Kaier automatic coating instrument.Place 8 hours at 50 DEG C, with thermoprinting machine, coating is transferred on cheque paper from thermal transfer film, the cheque paper of coating is the test sample of preparation.
Alkali resistance
It is in the alkali lye of 2% that obtained sample is immersed in mass percentage, and left at room temperature takes out after 30 minutes, cleans, dries.Remain on cheque paper if aluminium lamination is also complete, be cited as " good "; If aluminium lamination also has major part to remain on cheque paper, be cited as " in "; If aluminium lamination completely dissolve or major part disappear, be cited as " poor ".
Snappiness
With hand, the coated film of 10cm × 10cm (non-thermoprint) hand is carried out all-dimensional multi-angle gently to rub, if do not fall aluminium, be cited as " good ", if there is aluminium, be cited as " poor ".
Sticking power
Scotch tape is laminated in the coating of test sample, and then gently adhesive tape is torn, see aluminium coated and protective layer in conjunction with situation.If aluminium coated is not separated completely with protective layer, be cited as " good ", if aluminium coated and protective layer have small part to be separated, be cited as " in ", otherwise be cited as " poor ".
Drying property
The metal level protection group compound obtained in above-described embodiment is coated with respectively with Wen Kaier automatic coating instrument, after warm air drying, thermal transfer film doubling (coated face is to coated face), firmly compacting.Open again, if there is coating to be sticked out by the other side after opening, be cited as " poor ", if coating is not sticked out by the other side, but have the phenomenon that is clamminess then be cited as " in ", otherwise to be cited as " good ".
Table 1: protective layer test specimens test performance
| Embodiment | Alkali resistance | Snappiness | Sticking power | Drying property |
| 1.1 | Good | Good | Good | Good |
| 1.2 | Good | In | In | Good |
| 1.3 | Good | Good | Good | Good |
| 1.4 | Good | Good | Good | Good |
| 2.1-2.2 | Difference | Good | Good | In |
| 2.3 | Good | Good | Good | Difference |
Although the application's foregoing description and embodiment illustrate, the application is not limited thereto.The protection domain of the application is limited by the claim in appended claims, and any equivalent replacement carried out technical characteristic in claim, all should belong to the application's limited range.
Claims (48)
1. metal protection layer composition, based on the gross weight of described metal protection layer composition, it comprises following component:
(1) the main resin of 5wt%-40wt%, described main resin is the polyester that hydroxyl value is greater than 120;
(2) Nitrocellulose of 3wt%-20wt%, described Nitrocellulose is the low nitrogen Nitrocellulose of nitrogen content <12%;
(3) linking agent of 5wt%-35wt%, described linking agent is aliphatic isocyanates oligomer; And
(4) organic solvent of 10wt%-85wt%.
2. metal protection layer composition as claimed in claim 1, described polyester is collateralization hydroxyl polyester, and its viscosity is 15,000-45,000mPa.s.
3. the metal protection layer composition as described in claim arbitrary in claim 1-2, wherein said organic solvent is the mixture of organic solvent.
4. metal protection layer composition as claimed in claim 3, wherein said organic solvent is the mixture of ester solvent and ketone solvent.
5. the metal protection layer composition as described in claim arbitrary in claim 1-2, wherein measures the viscosity of described Nitrocellulose through falling ball method, the falling sphere time is for being not more than 1/16 second.
6. as claim 3 require as described in metal protection layer composition, wherein measure the viscosity of described Nitrocellulose through falling ball method, the falling sphere time is for being not more than 1/16 second.
7. the metal protection layer composition as described in claim arbitrary in claim 1-2 is not 10wt%-25wt% by the-NCO of amination content in wherein said aliphatic isocyanates oligomer.
8. metal protection layer composition as claimed in claim 7 is not 15wt%-20wt% by the-NCO of amination content in wherein said aliphatic isocyanates oligomer.
9. metal protection layer composition as claimed in claim 3 is not 10wt%-25wt% by the-NCO of amination content in wherein said aliphatic isocyanates oligomer.
10. metal protection layer composition as claimed in claim 5 is not 10wt%-25wt% by the-NCO of amination content in wherein said aliphatic isocyanates oligomer.
11. metal protection layer compositions as claimed in claim 6 are not 10wt%-25wt% by the-NCO of amination content in wherein said aliphatic isocyanates oligomer.
12. metal protection layer compositions as described in claim arbitrary in claim 1-2, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 100-800.
13. metal protection layer compositions as claimed in claim 12, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 150-400.
14. metal protection layer compositions as claimed in claim 3, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 100-800.
15. metal protection layer compositions as claimed in claim 5, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 100-800.
16. metal protection layer compositions as claimed in claim 6, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 100-800.
17. metal protection layer compositions as claimed in claim 7, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 100-800.
18. metal protection layer compositions as claimed in claim 9, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 100-800.
19. metal protection layer compositions as claimed in claim 10, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 100-800.
20. metal protection layer compositions as claimed in claim 11, the number-average molecular weight of wherein said aliphatic isocyanates oligomer is 100-800.
21. metal protection layer compositions as claimed in claim 4, described ester solvent is selected from methyl-formiate for one or more, ethyl formate, propyl formate, isopropyl formate, butyl formate, tetryl formate, pentyl formate, isoamyl formate, benzyl formate, methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate, butylacetate, isobutyl acetate, pentyl acetate, Isoamyl Acetate FCC, methyl isopentyl ester, hexalin acetate, jasmal, methyl propionate, ethyl propionate, propyl propionate, n-butyl propionate, amyl propionate, methyl-butyrate, the solvent of ethyl butyrate or the positive butyl ester of butyric acid, described ketone solvent is selected from acetone for one or more, butanone, methylacetone, 3-hexanone, espeleton, mibk, 2-methyl-propione, 4-methyl-2 pentanone, 2-heptanone, 3-heptanone, 2-heptanone, the solvent of methyln-hexyl ketone and pimelinketone.
22. metal protection layer compositions as claimed in claim 4, the weight ratio of wherein said ester solvent and ketone solvent is 2:5-5:2.
23. metal protection layer compositions as claimed in claim 22, the weight ratio of wherein said ester solvent and ketone solvent is 3:5-5:3.
24. metal protection layer compositions as claimed in claim 21, the weight ratio of wherein said ester solvent and ketone solvent is 2:5-5:2.
25. metal protection layer compositions as claimed in claim 24, the weight ratio of wherein said ester solvent and ketone solvent is 3:5-5:3.
26. metal protection layer compositions as described in claim arbitrary in claim 1-2, wherein said metal protection layer composition also comprises auxiliary agent.
27. metal protection layer compositions as claimed in claim 3, wherein said metal protection layer composition also comprises auxiliary agent.
28. metal protection layer compositions as claimed in claim 5, wherein said metal protection layer composition also comprises auxiliary agent.
29. metal protection layer compositions as claimed in claim 6, wherein said metal protection layer composition also comprises auxiliary agent.
30. metal protection layer compositions as claimed in claim 7, wherein said metal protection layer composition also comprises auxiliary agent.
31. metal protection layer compositions as claimed in claim 9, wherein said metal protection layer composition also comprises auxiliary agent.
32. metal protection layer compositions as claimed in claim 10, wherein said metal protection layer composition also comprises auxiliary agent.
33. metal protection layer compositions as claimed in claim 11, wherein said metal protection layer composition also comprises auxiliary agent.
34. metal protection layer compositions as claimed in claim 12, wherein said metal protection layer composition also comprises auxiliary agent.
35. metal protection layer compositions as claimed in claim 14, wherein said metal protection layer composition also comprises auxiliary agent.
36. metal protection layer compositions as claimed in claim 15, wherein said metal protection layer composition also comprises auxiliary agent.
37. metal protection layer compositions as claimed in claim 16, wherein said metal protection layer composition also comprises auxiliary agent.
38. metal protection layer compositions as claimed in claim 17, wherein said metal protection layer composition also comprises auxiliary agent.
39. metal protection layer compositions as claimed in claim 18, wherein said metal protection layer composition also comprises auxiliary agent.
40. metal protection layer compositions as claimed in claim 19, wherein said metal protection layer composition also comprises auxiliary agent.
41. metal protection layer compositions as claimed in claim 20, wherein said metal protection layer composition also comprises auxiliary agent.
42. metal protection layer compositions as claimed in claim 21, wherein said metal protection layer composition also comprises auxiliary agent.
43. metal protection layer compositions as claimed in claim 22, wherein said metal protection layer composition also comprises auxiliary agent.
44. metal protection layer compositions as claimed in claim 24, wherein said metal protection layer composition also comprises auxiliary agent.
45. products containing the metal protection layer composition in claim 1-44 described in arbitrary claim.
46. products as claimed in claim 45, the thickness of the protective layer that wherein said metal protection layer composition is formed is 1 μm-2 μm.
The purposes of metal protection layer composition in guard metal layer in 47. claim 1-44 described in arbitrary claim.
Metal protection layer composition in 48. claim 1-44 described in arbitrary claim is protecting the purposes be coated with in the anti-fake material of metal level.
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| CN1126968A (en) * | 1994-04-19 | 1996-07-17 | 大世吕化学工业株式会社 | Printing press plate, process for producing the plate, and method of printing therewith |
| CN101153155A (en) * | 2006-09-28 | 2008-04-02 | 比亚迪股份有限公司 | Priming coating composition and preparation method thereof |
| CN101191029A (en) * | 2006-12-01 | 2008-06-04 | 比亚迪股份有限公司 | Primer composition for metal substrate and its preparation method and multilayer coat |
| CN101405314A (en) * | 2006-03-17 | 2009-04-08 | 拜尔材料科学股份公司 | Aqueous dispersions based on nitrocellulose-polyurethane particles |
| CN101952343A (en) * | 2008-01-11 | 2011-01-19 | 晓温-威廉姆斯公司 | Metal coating composition |
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- 2011-10-20 CN CN201110320262.2A patent/CN103059243B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1126968A (en) * | 1994-04-19 | 1996-07-17 | 大世吕化学工业株式会社 | Printing press plate, process for producing the plate, and method of printing therewith |
| CN101405314A (en) * | 2006-03-17 | 2009-04-08 | 拜尔材料科学股份公司 | Aqueous dispersions based on nitrocellulose-polyurethane particles |
| CN101153155A (en) * | 2006-09-28 | 2008-04-02 | 比亚迪股份有限公司 | Priming coating composition and preparation method thereof |
| CN101191029A (en) * | 2006-12-01 | 2008-06-04 | 比亚迪股份有限公司 | Primer composition for metal substrate and its preparation method and multilayer coat |
| CN101952343A (en) * | 2008-01-11 | 2011-01-19 | 晓温-威廉姆斯公司 | Metal coating composition |
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Address after: 100070 No. 6 Spark Road, Science City, Beijing, Fengtai District Patentee after: ZHONGCHAO SPECIAL SECURITY TECHNOLOGY Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100070 No. 6 Spark Road, Science City, Beijing, Fengtai District Patentee before: ZHONGCHAO SPECIAL SECURITY TECHNOLOGY Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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