CN103602215A - Modified epoxy primer - Google Patents
Modified epoxy primer Download PDFInfo
- Publication number
- CN103602215A CN103602215A CN201310517893.2A CN201310517893A CN103602215A CN 103602215 A CN103602215 A CN 103602215A CN 201310517893 A CN201310517893 A CN 201310517893A CN 103602215 A CN103602215 A CN 103602215A
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- CN
- China
- Prior art keywords
- parts
- modified epoxy
- priming paint
- paint according
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004593 Epoxy Substances 0.000 title claims abstract description 53
- 239000003822 epoxy resin Substances 0.000 claims abstract description 26
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 19
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 19
- 239000013008 thixotropic agent Substances 0.000 claims abstract description 15
- 229920002647 polyamide Polymers 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims description 40
- 230000037452 priming Effects 0.000 claims description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 15
- 239000013530 defoamer Substances 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 8
- 239000011863 silicon-based powder Substances 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 150000001298 alcohols Chemical class 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 3
- 239000004359 castor oil Substances 0.000 claims description 3
- 235000019438 castor oil Nutrition 0.000 claims description 3
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 125000005456 glyceride group Chemical group 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 abstract description 15
- 239000004411 aluminium Substances 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract 2
- 239000004952 Polyamide Substances 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 150000002118 epoxides Chemical class 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 239000002987 primer (paints) Substances 0.000 description 15
- 239000000126 substance Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 230000002421 anti-septic effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013615 primer Substances 0.000 description 2
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- NDYNABNWLRVCDO-UHFFFAOYSA-N phosphoric acid silver Chemical compound [Ag].P(O)(O)(O)=O NDYNABNWLRVCDO-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- IPCXNCATNBAPKW-UHFFFAOYSA-N zinc;hydrate Chemical compound O.[Zn] IPCXNCATNBAPKW-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention provides a modified epoxy primer which comprises the following components: by weight, 25-65 parts of epoxy resin, 1-10 parts of nano-silicon oxide, 2-5 parts of a thixotropic agent, 1-3 parts of a dispersant, 10-20 parts of an anticorrosive filler, 10-20 parts of pigments and fillers, 0.1-1 part of an antifoaming agent and 20-40 parts of a polyamide curing agent, wherein epoxide equivalent of the epoxy resin is 250-400EE. The invention provides a modified epoxy primer which can be directly coated on the surface of an aluminium product. The modified epoxy primer has good adhesion to the surface of an aluminium product. Construction process can be simplified and costs can be reduced. In addition, the modified epoxy primer provided by the invention has good corrosion resistance.
Description
Technical field
The present invention relates to primer material, in particular to a kind of modified epoxy priming paint.
Background technology
In numerous industry fields such as national defence, aviation, machinery, instrument, use aluminium or aluminium alloy to make shell, but because the chemical property of metallic aluminium is more active, can be oxidized in air, cause aluminium material surface blackout, and the oxide film of Surface Creation has the shortcomings such as compactness is poor, hardness is low, can not meet the requirement of protection against corrosion and decorative appearance, therefore need to take the product workpiece that certain measure is made aluminium to protect and decorate.
At present, conventionally adopt coating that aluminium is protected or decorated, coating comprises transition paint, anti-corrosion primer and finish paint according to applying sequencing.A lot of priming paint is bad at the sticking power of aluminium material surface, need to apply in advance transition paint and solve this problem, causes like this cost to improve low problem relative to operating efficiency.
Summary of the invention
The invention solves deficiency of the prior art, a kind of modified epoxy priming paint that can directly be coated in aluminium material surface is provided, not only good with the sticking power of aluminium material surface, can simplify again construction technology and reduce costs.
Technical scheme of the present invention is: a kind of modified epoxy priming paint, it is characterized in that, according to parts by weight meter, comprise following component: epoxy resin: 25～65 parts, nano silicon oxide: 1～10 part, thixotropic agent: 2～5 parts, dispersion agent: 1～3 part, anticorrosive packing: 10～20 parts, color stuffing: 10～20 parts, defoamer: 0.1～1 part; Polyamide-based solidifying agent: 20～40 parts; The epoxy equivalent (weight) of described epoxy resin is 250～400EE.
Preferably, according to parts by weight meter, comprise following component: epoxy resin: 45 parts, nano silicon oxide: 5 parts, thixotropic agent: 3.5 parts, dispersion agent: 2 parts, anticorrosive packing: 15 parts, color stuffing: 15 parts, defoamer: 0.5 part; Surplus is polyamide-based solidifying agent; The epoxy equivalent (weight) of described epoxy resin is 250～400EE.
Preferably, described nano silicon oxide is nano silicon oxide concentrated plasm or nano oxidized Si powder.
More preferably, the particle diameter of described nano oxidized Si powder is 1～50nm, and the specific surface area of described nano oxidized Si powder is greater than 100m
2/ g.
Preferably, described thixotropic agent is organobentonite, hydrogenated castor oil or aerosil.The preferred three kinds of thixotropic agent of the present invention are all that epoxy primer thixotropy is affected to good thixotropic agent, can increase priming paint viscosity and make it have thixotropic auxiliary agent.
Preferably, described dispersion agent is the mixture of stearylamide and higher alcohols.In the present invention's formula, use the mixture of stearylamide and higher alcohols as dispersion agent, two kinds mix oilness and the thermostability that can improve priming paint.
More preferably, described stearylamide is a kind of or its mixture in vinyl bis-stearamides, stearic acid direactive glyceride and Tristearoylglycerol; Described higher alcohols is the alcohol within the scope of C6～C10.
Preferably, described anticorrosive packing is composite phosphate.The main chemical compositions of compound phosphoric acid silver is aluminum orthophoshpate zinc hydrate, selects it as anticorrosive packing, to make priming paint have better antiseptic property.
Preferably, described color stuffing is carbon black, titanium dioxide or iron oxide red.The color stuffing the present invention relates to is conventional color stuffing in industry.
Preferably, described defoamer is organic silicone defoamer.Defoamer effect is eliminate or prevent from producing bubble in life, packing and the use procedure of modified epoxy priming paint.
The defect that solves prior art of the present invention, has following beneficial effect:
1. in the present invention's formula, the epoxy equivalent (weight) of major ingredient epoxy resin is that 250～400EE(epoxy equivalent (weight) refers to the epoxy resin quality that contains 1mol epoxy group(ing), the molecular weight of the larger epoxy resin of epoxy equivalent (weight) is larger), the epoxy resin that the present invention selects belongs to the epoxy resin of middle molecular weight, the epoxy resin of middle molecular weight has good cross-linking density and physical equilibrium after reacting with solidifying agent, paint film resistant to chemical media, the physical and mechanical properties of preparation be good, be easy to construction.
2. in formula, to have selected organobentonite, hydrogenated castor oil or aerosil be thixotropic agent in the present invention, in formula, added after these several thixotropic agent, made priming paint have lower viscosity when construction, improved modified epoxy priming paint mobility, be easy to construction, thereby improve operating efficiency; After construction, because there is the existence of thixotropic agent, make priming paint can prevent color stuffing sedimentation under low shear rate.
3. in formula of the present invention, the content of nano silicon oxide is controlled at 1～10%, siloxy in nano silicon oxide and the aluminium of chemical property form chemical bond, the existence of chemical bond has strengthened the sticking power of epoxy primer and aluminium material surface, the effect that nanoparticle seals microvoid in addition simultaneously, improve the compactness of primer coating film, strengthen the antiseptic property of priming paint, within but the consumption of nano silicon oxide will be controlled at certain scope, if excessive meeting causes nanoparticle to be reunited, do not reach the effect of nano modification, optimum amount of the present invention is 6%.
Embodiment
In order to make those skilled in the art person understand better the present invention, and above-mentioned advantage of the present invention can be become apparent more, below in conjunction with specific embodiment, the present invention is further detailed explanation.
Embodiment 1
(1) by 65 parts of epoxy resin, 1 part of nano silicon oxide concentrated plasm, 2 parts of thixotropic agent, 0.1 part of defoamer, 1 part of dispersion agent and 10.9 parts of auxiliary agents are put into homogenizer and are stirred, standby;
(2) will in the component mixture stirring in step (1), add 10 parts of composite phosphates and 10 parts of color stuffings, then by mixture mixing and stirring, through skin grinder, grind, filter the component one that obtains modified epoxy priming paint;
(3) component one of the modified epoxy priming paint of preparation in step (2) is mixed and can be prepared modified epoxy primer coating with 20 parts of polyurethane curing agents.
Embodiment 2
(1) by 45 parts of epoxy resin, 5 parts of nano silicon oxide concentrated plasms, 3.5 parts of thixotropic agent, 0.5 part of defoamer, 2 parts of dispersion agents and 14 parts of auxiliary agents are put into homogenizer and are stirred, standby;
(2) will in the component mixture stirring in step (1), add 15 parts of composite phosphates and 15 parts of color stuffings, then by mixture mixing and stirring, through skin grinder, grind, filter the component one that obtains modified epoxy priming paint;
(3) component one of the modified epoxy priming paint of preparation in step (2) is mixed and can be prepared modified epoxy primer coating with 30 parts of polyurethane curing agents.
Embodiment 3
(1) by 25 parts of epoxy resin, 10 parts of nano silicon oxide concentrated plasms, 5 parts of thixotropic agent, 1 part of defoamer, 3 parts of dispersion agents and 16 parts of auxiliary agents are put into homogenizer and are stirred, standby;
(2) will in the component mixture stirring in step (1), add 20 parts of composite phosphates and 20 parts of color stuffings, then by mixture mixing and stirring, through skin grinder, grind, filter the component one that obtains modified epoxy priming paint;
(3) component one of the modified epoxy priming paint of preparation in step (2) is mixed and can be prepared modified epoxy primer coating with 40 parts of polyurethane curing agents.
Performance test
The modified epoxy priming paint that embodiment 1-3 is made, adds polyurethanes solidifying agent, makes modified epoxy primer coating, and coat-thickness approximately 200 μ m, have carried out performance test to these coatings, and its result is as shown in table 1.
The epoxy resin model relating in embodiment is NPES-901X75, and other feed composition etc. are all the raw materials that market can be easy to get.The epoxy equivalent (weight) of NPES-901X75 epoxy resin is that 250～400EE(epoxy equivalent (weight) refers to the epoxy resin quality that contains 1mol epoxy group(ing), the molecular weight of the larger epoxy resin of epoxy equivalent (weight) is larger), the epoxy resin that the present invention selects belongs to the epoxy resin of middle molecular weight, and the epoxy resin of middle molecular weight has good cross-linking density and physical equilibrium after reacting with solidifying agent.From the result of embodiment 1-3, find out the chemical mediator better performances such as the water-resistant coating of preparation and salt fog resistance; The physical and mechanical properties such as sticking power and snappiness is good, is easy to construction.
Result in table 1 can be found out, the shared ratio of nano silicon oxide concentrated plasm in the base paint formulation of embodiment 1-3 increases gradually, the salt fog resistance of wherein filming when embodiment 2 nano silicon oxide concentrated plasms account for 6% is best, being less than 6% makes along with nano silicon oxide concentrated plasm consumption increases, resistance to salt fog resistance raises, this is because siloxy forms chemical bond with the active preferably atom that aluminium shape surface is active, under the effect of chemical bond, strengthened the sticking power of epoxy primer and aluminium material surface, the effect that nanoparticle seals microvoid in addition simultaneously, improve the compactness of primer coating film, strengthen the antiseptic property of priming paint, within but the consumption of nano silicon oxide will be controlled at certain scope, when surpassing 6%, can cause nanoparticle to be reunited, do not reach the effect of nano modification, optimum amount of the present invention is 6%.
Performance to the epoxy primer of the modified epoxy priming paint of preparing in embodiment and commercially available same type same use is carried out test comparison, and its result is as shown in table 2.As can be seen from Table 2, the performance of the performances such as the set time of modified epoxy priming paint of the present invention, sticking power, snappiness, shock strength and commercially available epoxy primer is suitable, but the commercially available epoxy primer of water tolerance, salt fog resistance and the petrol-resistance geometric ratio of modified epoxy priming paint of the present invention is obviously good many.
The above; be only the specific embodiment of the present invention, protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Table 1 the performance test results
Modified epoxy priming paint in table 2 embodiment and the performance comparison result of commercially available epoxy primer
Claims (10)
1. a modified epoxy priming paint, it is characterized in that, according to parts by weight meter, comprise following component: epoxy resin: 25～65 parts, nano silicon oxide: 1～10 part, thixotropic agent: 2～5 parts, dispersion agent: 1～3 part, anticorrosive packing: 10～20 parts, color stuffing: 10～20 parts, defoamer: 0.1～1 part; Polyamide-based solidifying agent: 20～40 parts; The epoxy equivalent (weight) of described epoxy resin is 250～400EE.
2. a kind of modified epoxy priming paint according to claim 1, it is characterized in that, according to parts by weight meter, comprise following component: epoxy resin: 45 parts, nano silicon oxide: 5 parts, thixotropic agent: 3.5 parts, dispersion agent: 2 parts, anticorrosive packing: 15 parts, color stuffing: 15 parts, defoamer: 0.5 part; Surplus is polyamide-based solidifying agent; The epoxy equivalent (weight) of described epoxy resin is 250～400EE.
3. a kind of modified epoxy priming paint according to claim 2, is characterized in that, described nano silicon oxide is nano silicon oxide concentrated plasm or nano oxidized Si powder.
4. a kind of modified epoxy priming paint according to claim 3, is characterized in that, the particle diameter of described nano oxidized Si powder is 1～50nm, and the specific surface area of described nano oxidized Si powder is greater than 100m
2/ g.
5. a kind of modified epoxy priming paint according to claim 2, is characterized in that, described thixotropic agent is organobentonite, hydrogenated castor oil or aerosil.
6. a kind of modified epoxy priming paint according to claim 2, is characterized in that, described dispersion agent is the mixture of stearylamide and higher alcohols.
7. a kind of modified epoxy priming paint according to claim 6, is characterized in that, described stearylamide is a kind of or its mixture in vinyl bis-stearamides, stearic acid direactive glyceride and Tristearoylglycerol; Described higher alcohols is the alcohol within the scope of C6～C10.
8. a kind of modified epoxy priming paint according to claim 2, is characterized in that, described anticorrosive packing is composite phosphate.
9. a kind of modified epoxy priming paint according to claim 2, is characterized in that, described color stuffing is carbon black, titanium dioxide or iron oxide red.
10. a kind of modified epoxy priming paint according to claim 2, is characterized in that, described defoamer is organic silicone defoamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310517893.2A CN103602215B (en) | 2013-10-28 | 2013-10-28 | Modified epoxy primer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310517893.2A CN103602215B (en) | 2013-10-28 | 2013-10-28 | Modified epoxy primer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103602215A true CN103602215A (en) | 2014-02-26 |
| CN103602215B CN103602215B (en) | 2017-01-11 |
Family
ID=50120486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310517893.2A Expired - Fee Related CN103602215B (en) | 2013-10-28 | 2013-10-28 | Modified epoxy primer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103602215B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295629A (en) * | 2014-07-24 | 2016-02-03 | 镇江市方舟运输有限公司 | High-glossiness water-based automotive paint |
| CN108031826A (en) * | 2018-01-09 | 2018-05-15 | 浙江今飞凯达轮毂股份有限公司 | A kind of casting aluminium alloy wheel hub pin hole method for repairing and mending |
| CN108976985A (en) * | 2018-06-27 | 2018-12-11 | 河南孚点电子科技有限公司 | A kind of electronic product casing coating and preparation method thereof |
| CN112745733A (en) * | 2019-10-29 | 2021-05-04 | 常州天瑞新材料科技有限公司 | Interior wall sealing primer and preparation method thereof |
| CN116333571A (en) * | 2023-02-21 | 2023-06-27 | 滁州金桥德克新材料有限公司 | Composite for protecting aluminum material and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295629A (en) * | 2014-07-24 | 2016-02-03 | 镇江市方舟运输有限公司 | High-glossiness water-based automotive paint |
| CN108031826A (en) * | 2018-01-09 | 2018-05-15 | 浙江今飞凯达轮毂股份有限公司 | A kind of casting aluminium alloy wheel hub pin hole method for repairing and mending |
| CN108976985A (en) * | 2018-06-27 | 2018-12-11 | 河南孚点电子科技有限公司 | A kind of electronic product casing coating and preparation method thereof |
| CN112745733A (en) * | 2019-10-29 | 2021-05-04 | 常州天瑞新材料科技有限公司 | Interior wall sealing primer and preparation method thereof |
| CN116333571A (en) * | 2023-02-21 | 2023-06-27 | 滁州金桥德克新材料有限公司 | Composite for protecting aluminum material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103602215B (en) | 2017-01-11 |
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