CN103725144A - Anticorrosive paint and preparation method thereof - Google Patents
Anticorrosive paint and preparation method thereof Download PDFInfo
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- CN103725144A CN103725144A CN201310616874.5A CN201310616874A CN103725144A CN 103725144 A CN103725144 A CN 103725144A CN 201310616874 A CN201310616874 A CN 201310616874A CN 103725144 A CN103725144 A CN 103725144A
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- proof paint
- rust proof
- synolac
- pigment
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- 239000003973 paint Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 239000002904 solvent Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims description 42
- KPAPHODVWOVUJL-UHFFFAOYSA-N 1-benzofuran;1h-indene Chemical compound C1=CC=C2CC=CC2=C1.C1=CC=C2OC=CC2=C1 KPAPHODVWOVUJL-UHFFFAOYSA-N 0.000 claims description 28
- 239000004593 Epoxy Substances 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 25
- 239000000049 pigment Substances 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 16
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical group [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000012043 crude product Substances 0.000 claims description 14
- 239000000047 product Substances 0.000 claims description 8
- 239000003849 aromatic solvent Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000003822 epoxy resin Substances 0.000 abstract description 4
- 229920000647 polyepoxide Polymers 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 abstract 8
- 229920000180 alkyd Polymers 0.000 abstract 3
- 239000000853 adhesive Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- -1 Synolac Polymers 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- WHIVNJATOVLWBW-UHFFFAOYSA-N n-butan-2-ylidenehydroxylamine Chemical compound CCC(C)=NO WHIVNJATOVLWBW-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention provides an anticorrosive paint which comprises the following components in part by mass: 20-30 parts of coumarone resin, 15-25 parts of alkyd resin, 5-10 parts of epoxy resin, 0.2-0.5 parts of an anti-skinning agent, and 30-50 parts of a solvent. According to the invention the combination of the coumarone resin, alkyd resin and epoxy resin is adopted, the cost is low; the coumarone resin can increase the paint gloss, improve the paint film adhesive attraction, rigidity, and acid and alkaline resistance, causes no harm on human body and is environmental-friendly; with the cooperation of the coumarone resin, alkyd resin and epoxy resin, the gloss of the anticorrosive paint is above 70 percent, the adhesive attraction is 1 level, the leveling property is 8 level, the rigidity reaches HB, and the rust prevention time is 5-8 years, so that the quality of the anticorrosive paint is greatly improved; the manufacturing cost is reduced by 30-40 percent. The invention also provides a preparation method for the anticorrosive paint. The method is compact in preparation procedure, and is environment-friendly as no chemical additives are required.
Description
Technical field
The present invention relates to paint field, especially, relate to a kind of rust proof paint and preparation method thereof.
Background technology
Existing rust-inhibiting paint on market, great majority are to be major ingredient by resins such as Synolac, epoxy resin, vinylformic acid, adding a large amount of stopping composition and pigment forms again, and then add film coalescence aid if solidifying agent, siccative, anti-settling agent, anti skinning agent etc. are through abundant stirring and sand milling, and filtration forms.Its main drawback has: (1) production technique is more complicated because adopt the cost add filling powder to reduce coating, so while producing, will disperse for a long time, multiple times of filtration and repeatedly sand milling just can meet the demands; (2) in coating, contain a large amount of filling powders, therefore, in use there are a lot of defects in product: gloss is low, only has below 70%; Levelling neither be fine, is generally 4-6 level; Sticking power is generally 1-2 level; (3) stability of the coating products that the method for the various auxiliary agents of employing increase obtains is low, easily ftractures, and be 2-5 work-ing life, and the life-span is short; (4) adopt existing coating, the production cost of general rust-inhibiting paint be 7-9 unit/kilogram, painting cost be 1.8-2.5 unit/square metre, price comparison is expensive.
Therefore,, in order to meet real needs, invent that a kind of cost is low, the measured coating of matter has very important significance.
Summary of the invention
The first object of the present invention is to provide the rust proof paint that a kind of cost is low, gloss is high, sticking power is high, good, the antirust time of levelling is long and cost is low, and the technical solution adopted in the present invention is as follows:
A rust proof paint, raw material comprises following component in mass fraction:
Coumarone indene resin 20-30 part Synolac 15-25 part epoxy fat 5-10 part
Anti skinning agent 0.2-0.5 part solvent 30-50 part.
In order to reach better technique effect, in parts by weight, also comprise the pigment of 5-20 part.
Preferred in above technical scheme, raw material comprises following component in mass fraction:
6 parts, 18 parts of epoxy fat of 18 parts of Synolac of coumarone indene resin
43 parts of 0.2 part of solvents of 10 parts of anti skinning agents of pigment.
Preferred in above technical scheme, raw material comprises following component in mass fraction:
7 parts, 18 parts of epoxy fat of 20 parts of Synolac of coumarone indene resin
45 parts of 0.2 part of solvents of 10 parts of anti skinning agents of pigment.
Preferred in above technical scheme, raw material comprises following component in mass fraction:
8 parts, 20 parts of epoxy fat of 25 parts of Synolac of coumarone indene resin
45 parts of 0.3 part of solvents of 12 parts of anti skinning agents of pigment.
Preferred in above technical scheme, raw material comprises following component in mass fraction:
8 parts, 25 parts of epoxy fat of 30 parts of Synolac of coumarone indene resin
50 parts of 0.5 part of solvents of 15 parts of anti skinning agents of pigment.
Preferred in above technical scheme, described pigment is iron oxide red or middle network bloom.
Preferred in above technical scheme, described solvent is aromatic solvent.
Apply technical scheme of the present invention, there is following technique effect:
(1) the present invention adopts the combination of coumarone indene resin, Synolac and epoxy fat, and cost is low, adopts the suitable proportioning of the present invention to make the combination of the performance of coumarone indene resin, Synolac and epoxy fat reach best; The coumarone indene resin adopting can increase paint finishes degree, improves paint film adhesion, hardness, acidproof, alkali resistance, and to human body without injury, environmental protection; The synergy that coumarone indene resin, Synolac and epoxy fat are three kinds makes the glossiness of prepared rust proof paint more than 70%, sticking power is 1 grade, and levelling property is 8 grades, and hardness can reach HB, the antirust time can reach 5-8, greatly improves the quality of rust proof paint.
(2) in the present invention, increase the design of pigment, can be so that rust proof paint practicality of the present invention be wide; Pigment is selected iron oxide red or middle network bloom, easily obtains, and color and luster is good, favorable rust preventing effect.
(3) solvent in the present invention is selected aromatic solvent, and raw material easily obtains, and cost is low, and further makes coumarone indene resin, can bring into play better synergy between Synolac and epoxy fat, improves the quality of rust proof paint.
The second object of the present invention is to provide a kind of preparation method of above-mentioned rust proof paint, specifically comprises the following steps:
The first step, coumarone indene resin and the solvent of part are stirred and obtain the first mixture, stirring velocity is 200-500 rev/min, and churning time is 8-15 minute;
Second step, Synolac, epoxy fat and remaining solvent are added in the first mixture simultaneously, stir and obtain the second mixture, stirring velocity is 500-1000 rev/min, and churning time is 10-20 minute;
The 3rd step, pigment and anti skinning agent are added in the second mixture and stir and obtain rust proof paint crude product, stirring velocity is 800-1200 rev/min, and churning time is 10-20 minute;
The 4th step, the rust proof paint crude product of step c gained is crossed to 180-200 mesh sieve, obtain rust proof paint finished product;
Above step Raw comprises following component in mass fraction:
Coumarone indene resin 20-30 part Synolac 15-25 part epoxy fat 5-10 part
Anti skinning agent 0.2-0.5 part solvent 30-50 part.
Preferred in above technical scheme, in described step a, stirring velocity is 300 revs/min, and churning time is 10 minutes; In described step b, stirring velocity is 800 revs/min, and churning time is 12 minutes; In described step c, stirring velocity is 1000 revs/min, and churning time is 15 minutes; In described steps d, rust proof paint crude product is crossed 200 mesh sieves.
Adopt preparation method of the present invention, there is following beneficial effect:
(1) the inventive method only need be by controlling stir speed (S.S.) and churning time well, and process parameter control is simple, and not high to operator's technical requirements, cost is low;
(2) whole preparation process is without adding other chemical reagent, and cost is low and safe.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to embodiment, the present invention is further detailed explanation.
Embodiment
Below in conjunction with embodiments of the invention, be elaborated, but the multitude of different ways that the present invention can limit and cover according to claim is implemented.
Embodiment 1:
A rust proof paint, raw material comprises following component in mass fraction:
6 kilograms, 18 kilograms of epoxy fat of 18 kilograms of Synolac of coumarone indene resin
43 kilograms of 0.2 kilogram of dimethylbenzene of 10 kilograms of anti skinning agents of iron oxide red.
Concrete preparation method is as follows:
The first step: 18 kilograms of coumarone indene resins are obtained to the first mixture with 13 kilograms of mixing and stirring of dimethylbenzene, and stirring velocity is 300 revs/min, and churning time is 10 minutes;
Second step: 30 kilograms of 18 kilograms of Synolac, 6 kilograms, epoxy fat and dimethylbenzene are added in the first mixture simultaneously, stir and obtain the second mixture, stirring velocity is 800 revs/min, and churning time is 12 minutes;
The 3rd step: 0.2 kilogram of 10 kilograms of iron oxide reds and anti skinning agent is added in the second mixture and stirs and obtain rust proof paint crude product, and stirring velocity is 1000 revs/min, and churning time is 15 minutes;
The 4th step: the rust proof paint crude product of the 3rd step gained is crossed to 200 mesh sieves, obtain rust proof paint finished product.
Adopt the performance index of above-mentioned formula and the resulting rust proof paint of preparation method as shown in table 1.
Embodiment 2:
A rust proof paint, raw material comprises following component in mass fraction:
7 kilograms, 18 kilograms of epoxy fat of 20 kilograms of Synolac of coumarone indene resin
45 kilograms of 0.2 kilogram of dimethylbenzene of 10 kilograms of anti skinning agents of middle network bloom.
Concrete preparation method is as follows:
The first step: 20 kilograms of coumarone indene resins are obtained to the first mixture with 18 kilograms of mixing and stirring of dimethylbenzene, and stirring velocity is 200 revs/min, and churning time is 15 minutes;
Second step: 27 kilograms of 18 kilograms of Synolac, 7 kilograms, epoxy fat and dimethylbenzene are added in the first mixture simultaneously, stir and obtain the second mixture, stirring velocity is 1000 revs/min, and churning time is 15 minutes;
The 3rd step: 0.2 kilogram of 10 kilograms of middle network blooms and anti skinning agent is added in the second mixture and stirs and obtain rust proof paint crude product, and stirring velocity is 1000 revs/min, and churning time is 20 minutes;
The 4th step: the rust proof paint crude product of the 3rd step gained is crossed to 200 mesh sieves, obtain rust proof paint finished product.
Adopt the performance index of above-mentioned formula and the resulting rust proof paint of preparation method as shown in table 1.
Embodiment 3:
A rust proof paint, raw material comprises following component in mass fraction:
8 kilograms, 20 kilograms of epoxy fat of 25 kilograms of Synolac of coumarone indene resin
45 kilograms of 0.3 kilogram of toluene of 12 kilograms of anti skinning agents of iron oxide red
Concrete preparation method is as follows:
The first step: 25 kilograms of coumarone indene resins are obtained to the first mixture with 20 kilograms of mixing and stirring of toluene, and stirring velocity is 300 revs/min, and churning time is 10 minutes;
Second step: 25 kilograms of 20 kilograms of Synolac, 8 kilograms, epoxy fat and toluene are added in the first mixture simultaneously, stir and obtain the second mixture, stirring velocity is 800 revs/min, and churning time is 10 minutes;
The 3rd step: 0.3 kilogram of 12 kilograms of iron oxide reds and anti skinning agent is added in the second mixture and stirs and obtain rust proof paint crude product, and stirring velocity is 1000 revs/min, and churning time is 15 minutes;
The 4th step: the rust proof paint crude product of the 3rd step gained is crossed to 200 mesh sieves, obtain rust proof paint finished product.
Adopt the performance index of above-mentioned formula and the resulting rust proof paint of preparation method as shown in table 1.
Embodiment 4:
A rust proof paint, raw material comprises following component in mass fraction:
8 kilograms, 25 kilograms of epoxy fat of 30 kilograms of Synolac of coumarone indene resin
50 kilograms of 0.5 kilogram of dimethylbenzene of 15 kilograms of anti skinning agents of middle network bloom
Concrete preparation method is as follows:
The first step: 30 kilograms of coumarone indene resins are obtained to the first mixture with 20 kilograms of mixing and stirring of toluene, and stirring velocity is 500 revs/min, and churning time is 10 minutes;
Second step: 30 kilograms of 25 kilograms of Synolac, 8 kilograms, epoxy fat and dimethylbenzene are added in the first mixture simultaneously, stir and obtain the second mixture, stirring velocity is 1000 revs/min, and churning time is 20 minutes;
The 3rd step: 0.5 kilogram of 15 kilograms of middle network blooms and anti skinning agent is added in the second mixture and stirs and obtain rust proof paint crude product, and stirring velocity is 1200 revs/min, and churning time is 20 minutes;
The 4th step: the rust proof paint crude product of the 3rd step gained is crossed to 200 mesh sieves, obtain rust proof paint finished product.
Adopt the performance index of above-mentioned formula and the resulting rust proof paint of preparation method as shown in table 1.
In above four embodiment, anti skinning agent can be selected methyl ethyl ketoxime, also can select according to real needs the anti skinning agent of other types.
The rust proof paint of embodiment 1 to embodiment 4 in use, its film forming mechanism is as follows: the rust proof paint that the present invention is obtained is evenly coated on carrier, because of rust-inhibiting paint, only adopt and comprise that coumarone indene resin, Synolac, epoxy fat, anti skinning agent, pigment and solvent are without the auxiliary agent of additional promotion film forming, therefore, rust proof paint is physical film deposition on carrier, can not cause damage to carrier itself, and without powder and other weighting materials, the film fineness becoming, levelling property, sticking power, snappiness, glossiness texts are more effective than chemical membrane, refer to table 1.
The various performance parameters of rust proof paint in table 1 embodiment 1 to embodiment 4
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a rust proof paint, is characterized in that: raw material comprises following component in mass fraction:
Coumarone indene resin 20-30 part Synolac 15-25 part epoxy fat 5-10 part
Anti skinning agent 0.2-0.5 part solvent 30-50 part.
2. rust proof paint according to claim 1, is characterized in that: the pigment that also comprises 5-20 part in parts by weight.
3. rust proof paint according to claim 2, is characterized in that: raw material comprises following component in mass fraction:
6 parts, 18 parts of epoxy fat of 18 parts of Synolac of coumarone indene resin
43 parts of 0.2 part of solvents of 10 parts of anti skinning agents of pigment.
4. rust proof paint according to claim 2, is characterized in that: raw material comprises following component in mass fraction:
7 parts, 18 parts of epoxy fat of 20 parts of Synolac of coumarone indene resin
45 parts of 0.2 part of solvents of 10 parts of anti skinning agents of pigment.
5. rust proof paint according to claim 2, is characterized in that: raw material comprises following component in mass fraction:
8 parts, 20 parts of epoxy fat of 25 parts of Synolac of coumarone indene resin
45 parts of 0.3 part of solvents of 12 parts of anti skinning agents of pigment.
6. rust proof paint according to claim 2, is characterized in that: raw material comprises following component in mass fraction:
8 parts, 25 parts of epoxy fat of 30 parts of Synolac of coumarone indene resin
50 parts of 0.5 part of solvents of 15 parts of anti skinning agents of pigment.
7. according to the rust proof paint described in claim 2-6 any one, it is characterized in that: described pigment is iron oxide red or middle network bloom.
8. according to the rust proof paint described in claim 1-6 any one, it is characterized in that: described solvent is aromatic solvent.
9. a preparation method for rust proof paint as claimed in claim 2, is characterized in that: comprise the following steps:
A, coumarone indene resin and the solvent of part are stirred and obtain the first mixture, stirring velocity is 200-500 rev/min, and churning time is 8-15 minute;
B, Synolac, epoxy fat and remaining solvent are added in the first mixture simultaneously, stir and obtain the second mixture, stirring velocity is 500-1000 rev/min, and churning time is 10-20 minute;
C, pigment and anti skinning agent are added in the second mixture and stir and obtain rust proof paint crude product, stirring velocity is 800-1200 rev/min, and churning time is 10-20 minute;
D, the rust proof paint crude product of step c gained is crossed to 180-200 mesh sieve, obtain rust proof paint finished product;
Raw material comprises following component in mass fraction:
Coumarone indene resin 20-30 part Synolac 15-25 part epoxy fat 5-10 part
Anti skinning agent 0.2-0.5 part solvent 30-50 part.
10. the preparation method of rust proof paint according to claim 9, is characterized in that: in described step a, stirring velocity is 300 revs/min, and churning time is 10 minutes; In described step b, stirring velocity is 800 revs/min, and churning time is 12 minutes; In described step c, stirring velocity is 1000 revs/min, and churning time is 15 minutes; In described steps d, rust proof paint crude product is crossed 200 mesh sieves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616874.5A CN103725144A (en) | 2013-11-19 | 2013-11-19 | Anticorrosive paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616874.5A CN103725144A (en) | 2013-11-19 | 2013-11-19 | Anticorrosive paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103725144A true CN103725144A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310616874.5A Pending CN103725144A (en) | 2013-11-19 | 2013-11-19 | Anticorrosive paint and preparation method thereof |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419550A (en) * | 2015-12-31 | 2016-03-23 | 福州展辰新材料有限公司 | Single-component archaistic coating composition |
| CN106833064A (en) * | 2017-01-13 | 2017-06-13 | 安徽丰汇车业配件有限公司 | A kind of antirust paint for steel plate of brake pad application |
| CN108047903A (en) * | 2017-12-19 | 2018-05-18 | 衢州职业技术学院 | Water-fast corrosion-resistant radiator paint and preparation method thereof |
| CN109320698A (en) * | 2018-08-27 | 2019-02-12 | 河北晨阳工贸集团有限公司 | A kind of aqueous coumarone indene resin modified alkyd resin and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04224878A (en) * | 1990-12-26 | 1992-08-14 | Nippon Steel Chem Co Ltd | Baking paint composition |
| CN103013273A (en) * | 2012-11-28 | 2013-04-03 | 天长市开林化工有限公司 | Anticorrosive paint composition |
-
2013
- 2013-11-19 CN CN201310616874.5A patent/CN103725144A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04224878A (en) * | 1990-12-26 | 1992-08-14 | Nippon Steel Chem Co Ltd | Baking paint composition |
| CN103013273A (en) * | 2012-11-28 | 2013-04-03 | 天长市开林化工有限公司 | Anticorrosive paint composition |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419550A (en) * | 2015-12-31 | 2016-03-23 | 福州展辰新材料有限公司 | Single-component archaistic coating composition |
| CN105419550B (en) * | 2015-12-31 | 2018-11-02 | 福州展辰新材料有限公司 | A kind of one-component coating composition modelled after an antique |
| CN106833064A (en) * | 2017-01-13 | 2017-06-13 | 安徽丰汇车业配件有限公司 | A kind of antirust paint for steel plate of brake pad application |
| CN108047903A (en) * | 2017-12-19 | 2018-05-18 | 衢州职业技术学院 | Water-fast corrosion-resistant radiator paint and preparation method thereof |
| CN109320698A (en) * | 2018-08-27 | 2019-02-12 | 河北晨阳工贸集团有限公司 | A kind of aqueous coumarone indene resin modified alkyd resin and preparation method thereof |
| CN109320698B (en) * | 2018-08-27 | 2022-10-25 | 河北晨阳工贸集团有限公司 | Waterborne coumarone resin modified alkyd resin and preparation method thereof |
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Application publication date: 20140416 |
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