CN105331224A - High-adhesion polyaniline anticorrosive coating and preparation method thereof - Google Patents
High-adhesion polyaniline anticorrosive coating and preparation method thereof Download PDFInfo
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- CN105331224A CN105331224A CN201510932417.6A CN201510932417A CN105331224A CN 105331224 A CN105331224 A CN 105331224A CN 201510932417 A CN201510932417 A CN 201510932417A CN 105331224 A CN105331224 A CN 105331224A
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Abstract
The invention discloses a high-adhesion polyaniline anticorrosive coating. The anticorrosive coating comprises, by weight parts, 42-60 parts of acrylic resin, 16-27 parts of cyanate ester, 12-20 parts of urethane acrylate, 6-13 parts of polyaniline powder, 5-11 parts of brucite powder, 3-9 parts of camphorsulfonic acid, 3-10 parts of glyceryl tristearate, 4-8 parts of sodium cocoyl isethionate, 2-7 parts of zinc dioleate, 1-6 parts of citric acid, 1-5 parts of maleic anhydride grafted polypropylene, 2-5 parts of titanium dioxide, 1-3 parts of fibrous wollastonite powder, 3-9 parts of coupling agent, 36-55 parts of organic solvent and 3-9 parts of deionized water. The invention further discloses a method for preparing the anticorrosive coating. The anticorrosive coating is good in adhesion and anticorrosive functions and salt resistance and has good comprehensive performance. Moreover, the preparation method is simple, low in production cost and suitable for industrial production.
Description
Technical field
The invention belongs to coating material field, particularly relate to a kind of high adhesive force polyaniline anti-corrosive paint and preparation method thereof.
Background technology
As everyone knows, polyaniline is a kind of conducting polymer, not only possesses higher specific conductivity, also has the advantages such as raw materials cost is low, environmental stability good, preparation is easy, productive rate is high, protection against corrosion simultaneously.Polyaniline is widely used in the fields such as coating, absorbing material, battery and electro-conductive fiber.
In application of paints field, though polyaniline has excellent antiseptic property, but the cohesive strength of itself and metallic substance is more weak, and utilization ratio is lower, in addition its machining property, also poor with the consistency of resin, these all greatly limit the use of polyaniline in protective system field.
Summary of the invention
The technical problem solved is: in order at least one solved the problems of the technologies described above, and provides a kind of high adhesive force polyaniline anti-corrosive paint and preparation method thereof.
Technical scheme: in order to solve the problem, the invention provides a kind of high adhesive force polyaniline anti-corrosive paint, described protective system comprises following composition, count by weight: acrylic resin 42 ~ 60 parts, cyanate ester resin 16 ~ 27 parts, urethane acrylate 12 ~ 20 parts, 6 ~ 13 parts, polyaniline powder, brucite powder 5 ~ 11 parts, camphorsulfonic acid 3 ~ 9 parts, Tristearoylglycerol 3 ~ 10 parts, cocoyl isethionate 4 ~ 8 parts, zinc oleate 2 ~ 7 parts, citric acid 1 ~ 6 part, maleic anhydride inoculated polypropylene 1 ~ 5 part, titanium dioxide 2 ~ 5 parts, 1 ~ 3 part, fibrous wollastonite powder, coupling agent 3 ~ 9 parts, organic solvent 36 ~ 55 parts, deionized water 3 ~ 9 parts.
Preferably, described coupling agent is A171 or KH550.
Preferably, described organic solvent is at least two kinds in ethyl acetate, isopropylcarbinol and pimelinketone.
Preferably, described a kind of high adhesive force polyaniline anti-corrosive paint, described protective system comprises following composition, count by weight: acrylic resin 42 ~ 55 parts, cyanate ester resin 18 ~ 27 parts, urethane acrylate 15 ~ 20 parts, 6 ~ 11 parts, polyaniline powder, brucite powder 5 ~ 8 parts, camphorsulfonic acid 4 ~ 9 parts, Tristearoylglycerol 6 ~ 10 parts, cocoyl isethionate 4 ~ 8 parts, zinc oleate 3 ~ 7 parts, citric acid 2 ~ 6 parts, maleic anhydride inoculated polypropylene 3 ~ 5 parts, titanium dioxide 2 ~ 4 parts, 1 ~ 3 part, fibrous wollastonite powder, coupling agent 4 ~ 9 parts, organic solvent 36 ~ 52 parts, deionized water 4 ~ 9 parts.
Further, preferably, described a kind of high adhesive force polyaniline anti-corrosive paint, described protective system comprises following composition, counts by weight: acrylic resin 52 parts, cyanate ester resin 23 parts, urethane acrylate 17 parts, 8 parts, polyaniline powder, brucite powder 6 parts, camphorsulfonic acid 5 parts, Tristearoylglycerol 9 parts, cocoyl isethionate 6 parts, zinc oleate 4 parts, citric acid 5 parts, maleic anhydride inoculated polypropylene 4 parts, titanium dioxide 2 parts, 1 part, fibrous wollastonite powder, coupling agent 7 parts, organic solvent 48 parts, deionized water 5 parts.
A preparation method for high adhesive force polyaniline anti-corrosive paint, described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder, fibrous wollastonite powder, polyaniline powder and coupling agent is added successively, with the rotating speed of 1000 ~ 3000rpm dispersion 15 ~ 30min after stirring;
(3) in above-mentioned system, add acrylic resin, cyanate ester resin, urethane acrylate successively again, at 40 ~ 60 DEG C of temperature, stir 1 ~ 3h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 2 ~ 4h, be cooled to room temperature.
Preferably, the rotating speed in described step (2) is 1500rpm, and jitter time is 20min.
Preferably, the described temperature in described step (3) is 48 DEG C, and churning time is 2h.
The present invention has following beneficial effect: the protective system prepared by the present invention has good sticking power and anti-corrosion function, and good salt tolerance, show good over-all properties.From contrast, in raw material, cyanate ester resin, fibrous wollastonite powder and polyaniline powder all have certain influence to the sticking power of coating and antiseptic property.Preparation method of the present invention is simple, production cost is low, and suitability for industrialized is produced.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, invention specific embodiments is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1
A kind of high adhesive force polyaniline anti-corrosive paint, described protective system comprises following composition, counts by weight: acrylic resin 42 parts, cyanate ester resin 16 parts, urethane acrylate 12 parts, 6 parts, polyaniline powder, brucite powder 5 parts, camphorsulfonic acid 3 parts, Tristearoylglycerol 3 parts, cocoyl isethionate 4 parts, zinc oleate 2 parts, citric acid 1 part, maleic anhydride inoculated polypropylene 1 part, titanium dioxide 2 parts, 1 part, fibrous wollastonite powder, coupling agent 3 parts, organic solvent 36 parts, deionized water 3 parts.
Preferably, described coupling agent is A171.Described organic solvent is ethyl acetate and isopropylcarbinol is the composite of 3:5 in mass ratio.
The preparation method of a kind of high adhesive force polyaniline anti-corrosive paint described above, described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder, fibrous wollastonite powder, polyaniline powder and coupling agent is added successively, with the rotating speed of 1000rpm dispersion 15min after stirring;
(3) in above-mentioned system, add acrylic resin, cyanate ester resin, urethane acrylate successively again, at 40 DEG C of temperature, stir 1h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 2h, be cooled to room temperature.
Embodiment 2
A kind of high adhesive force polyaniline anti-corrosive paint, described protective system comprises following composition, counts by weight: acrylic resin 60 parts, cyanate ester resin 27 parts, urethane acrylate 20 parts, 13 parts, polyaniline powder, brucite powder 11 parts, camphorsulfonic acid 9 parts, Tristearoylglycerol 10 parts, cocoyl isethionate 8 parts, zinc oleate 7 parts, citric acid 6 parts, maleic anhydride inoculated polypropylene 5 parts, titanium dioxide 5 parts, 3 parts, fibrous wollastonite powder, coupling agent 9 parts, organic solvent 55 parts, deionized water 9 parts.
Preferably, described coupling agent is KH550.Described organic solvent is isopropylcarbinol and pimelinketone is the composite of 2:7 by weight.
The preparation method of a kind of high adhesive force polyaniline anti-corrosive paint described above, described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder, fibrous wollastonite powder, polyaniline powder and coupling agent is added successively, with the rotating speed of 3000rpm dispersion 30min after stirring;
(3) in above-mentioned system, add acrylic resin, cyanate ester resin, urethane acrylate successively again, at 60 DEG C of temperature, stir 3h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 4h, be cooled to room temperature.
Embodiment 3
A kind of high adhesive force polyaniline anti-corrosive paint, described protective system comprises following composition, counts by weight: acrylic resin 51 parts, cyanate ester resin 22 parts, urethane acrylate 16 parts, 10 parts, polyaniline powder, brucite powder 8 parts, camphorsulfonic acid 6 parts, Tristearoylglycerol 6 parts, cocoyl isethionate 7 parts, zinc oleate 5 parts, citric acid 3 parts, maleic anhydride inoculated polypropylene 3 parts, titanium dioxide 3 parts, 2 parts, fibrous wollastonite powder, coupling agent 6 parts, organic solvent 45 parts, deionized water 6 parts.
Preferably, described coupling agent is KH550.Described organic solvent is by weight being the composite of 3:1:5 in ethyl acetate, isopropylcarbinol and pimelinketone.
The preparation method of a kind of high adhesive force polyaniline anti-corrosive paint described above, described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder, fibrous wollastonite powder, polyaniline powder and coupling agent is added successively, with the rotating speed of 2000rpm dispersion 22min after stirring;
(3) in above-mentioned system, add acrylic resin, cyanate ester resin, urethane acrylate successively again, at 50 DEG C of temperature, stir 2h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 3h, be cooled to room temperature.
Embodiment 4
A kind of high adhesive force polyaniline anti-corrosive paint, described protective system comprises following composition, counts by weight: acrylic resin 52 parts, cyanate ester resin 23 parts, urethane acrylate 17 parts, 8 parts, polyaniline powder, brucite powder 6 parts, camphorsulfonic acid 5 parts, Tristearoylglycerol 9 parts, cocoyl isethionate 6 parts, zinc oleate 4 parts, citric acid 5 parts, maleic anhydride inoculated polypropylene 4 parts, titanium dioxide 2 parts, 1 part, fibrous wollastonite powder, coupling agent 7 parts, organic solvent 48 parts, deionized water 5 parts.
Preferably, described coupling agent is A171.Described organic solvent is ethyl acetate and pimelinketone is the composite of 2:1 by weight.
The preparation method of a kind of high adhesive force polyaniline anti-corrosive paint described above, described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder, fibrous wollastonite powder, polyaniline powder and coupling agent is added successively, with the rotating speed of 1500rpm dispersion 20min after stirring;
(3) in above-mentioned system, add acrylic resin, cyanate ester resin, urethane acrylate successively again, at 48 DEG C of temperature, stir 2h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 4h, be cooled to room temperature.
Embodiment 5
A kind of high adhesive force polyaniline anti-corrosive paint, described protective system comprises following composition, counts by weight: acrylic resin 55 parts, cyanate ester resin 18 parts, urethane acrylate 15 parts, 11 parts, polyaniline powder, brucite powder 8 parts, camphorsulfonic acid 4 parts, Tristearoylglycerol 6 parts, cocoyl isethionate 5 parts, zinc oleate 3 parts, citric acid 2 parts, maleic anhydride inoculated polypropylene 3 parts, titanium dioxide 4 parts, 2 parts, fibrous wollastonite powder, coupling agent 4 parts, organic solvent 52 parts, deionized water 4 parts.
Preferably, described coupling agent is KH550.Described organic solvent is composite by weight for 2:3 in ethyl acetate and pimelinketone.
The preparation method of a kind of high adhesive force polyaniline anti-corrosive paint described above, described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder, fibrous wollastonite powder, polyaniline powder and coupling agent is added successively, with the rotating speed of 1500rpm dispersion 30min after stirring;
(3) in above-mentioned system, add acrylic resin, cyanate ester resin, urethane acrylate successively again, at 50 DEG C of temperature, stir 2h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 3h, be cooled to room temperature.
Comparative example 1
A kind of coating, described coating comprises following composition, counts by weight: acrylic resin 60 parts, urethane acrylate 20 parts, 13 parts, polyaniline powder, brucite powder 11 parts, camphorsulfonic acid 9 parts, Tristearoylglycerol 10 parts, cocoyl isethionate 8 parts, zinc oleate 7 parts, citric acid 6 parts, maleic anhydride inoculated polypropylene 5 parts, titanium dioxide 5 parts, coupling agent 9 parts, organic solvent 55 parts, deionized water 9 parts.
Preferably, described coupling agent is KH550.Described organic solvent is isopropylcarbinol and pimelinketone is the composite of 2:7 by weight.
The preparation method of coating described above, described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder, polyaniline powder and coupling agent is added successively, with the rotating speed of 3000rpm dispersion 30min after stirring;
(3) in above-mentioned system, add acrylic resin, urethane acrylate successively again, at 60 DEG C of temperature, stir 3h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 4h, be cooled to room temperature.
Comparative example 2
A kind of coating, described coating comprises following composition, counts by weight: acrylic resin 60 parts, cyanate ester resin 27 parts, urethane acrylate 20 parts, brucite powder 11 parts, camphorsulfonic acid 9 parts, Tristearoylglycerol 10 parts, cocoyl isethionate 8 parts, zinc oleate 7 parts, citric acid 6 parts, maleic anhydride inoculated polypropylene 5 parts, titanium dioxide 5 parts, coupling agent 9 parts, organic solvent 55 parts, deionized water 9 parts.
Preferably, described coupling agent is KH550.Described organic solvent is isopropylcarbinol and pimelinketone is the composite of 2:7 by weight.
The preparation method of coating described above, described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder and coupling agent is added successively, with the rotating speed of 3000rpm dispersion 30min after stirring;
(3) in above-mentioned system, add acrylic resin, cyanate ester resin, urethane acrylate successively again, at 60 DEG C of temperature, stir 3h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 4h, be cooled to room temperature.
Performance test
By above-mentioned prepared each paint on substrate, oven dry is dry afterwards carries out physical testing and Corrosion Protection test, wherein Corrosion Protection testing method is: the substrate of coating coating is placed in 4% sodium chloride aqueous solution, tests the Tafel curve of the coating prepared by each embodiment with chem workstation.
The test result of the coating prepared by each embodiment of table 1
As seen from the above table, the coating prepared by the present embodiment 1 ~ 5 has good sticking power and anti-corrosion function, and good salt tolerance, the over-all properties of prepared coating is good.From comparative example 1 and comparative example 2, in raw material, cyanate ester resin, fibrous wollastonite powder and polyaniline powder all have certain influence to the sticking power of coating and antiseptic property.
Claims (8)
1. a high adhesive force polyaniline anti-corrosive paint, it is characterized in that, described protective system comprises following composition, count by weight: acrylic resin 42 ~ 60 parts, cyanate ester resin 16 ~ 27 parts, urethane acrylate 12 ~ 20 parts, 6 ~ 13 parts, polyaniline powder, brucite powder 5 ~ 11 parts, camphorsulfonic acid 3 ~ 9 parts, Tristearoylglycerol 3 ~ 10 parts, cocoyl isethionate 4 ~ 8 parts, zinc oleate 2 ~ 7 parts, citric acid 1 ~ 6 part, maleic anhydride inoculated polypropylene 1 ~ 5 part, titanium dioxide 2 ~ 5 parts, 1 ~ 3 part, fibrous wollastonite powder, coupling agent 3 ~ 9 parts, organic solvent 36 ~ 55 parts, deionized water 3 ~ 9 parts.
2. a kind of high adhesive force polyaniline anti-corrosive paint according to claim 1, is characterized in that, described coupling agent is A171 or KH550.
3. a kind of high adhesive force polyaniline anti-corrosive paint according to claim 1, is characterized in that, described organic solvent is at least two kinds in ethyl acetate, isopropylcarbinol and pimelinketone.
4. a kind of high adhesive force polyaniline anti-corrosive paint according to claim 1, it is characterized in that, described protective system comprises following composition, count by weight: acrylic resin 42 ~ 55 parts, cyanate ester resin 18 ~ 27 parts, urethane acrylate 15 ~ 20 parts, 6 ~ 11 parts, polyaniline powder, brucite powder 5 ~ 8 parts, camphorsulfonic acid 4 ~ 9 parts, Tristearoylglycerol 6 ~ 10 parts, cocoyl isethionate 4 ~ 8 parts, zinc oleate 3 ~ 7 parts, citric acid 2 ~ 6 parts, maleic anhydride inoculated polypropylene 3 ~ 5 parts, titanium dioxide 2 ~ 4 parts, 1 ~ 3 part, fibrous wollastonite powder, coupling agent 4 ~ 9 parts, organic solvent 36 ~ 52 parts, deionized water 4 ~ 9 parts.
5. a kind of high adhesive force polyaniline anti-corrosive paint according to claim 1, it is characterized in that, described protective system comprises following composition, count by weight: acrylic resin 52 parts, cyanate ester resin 23 parts, urethane acrylate 17 parts, 8 parts, polyaniline powder, brucite powder 6 parts, camphorsulfonic acid 5 parts, Tristearoylglycerol 9 parts, cocoyl isethionate 6 parts, zinc oleate 4 parts, citric acid 5 parts, maleic anhydride inoculated polypropylene 4 parts, titanium dioxide 2 parts, 1 part, fibrous wollastonite powder, coupling agent 7 parts, organic solvent 48 parts, deionized water 5 parts.
6. a preparation method for a kind of high adhesive force polyaniline anti-corrosive paint as described in any one of claim 1 to 5, is characterized in that described method comprises the steps:
(1) citric acid, organic solvent and deionized water are joined in stirring tank, stir;
(2) in above-mentioned system, maleic anhydride inoculated polypropylene, brucite powder, fibrous wollastonite powder, polyaniline powder and coupling agent is added successively, with the rotating speed of 1000 ~ 3000rpm dispersion 15 ~ 30min after stirring;
(3) in above-mentioned system, add acrylic resin, cyanate ester resin, urethane acrylate successively again, at 40 ~ 60 DEG C of temperature, stir 1 ~ 3h;
(4) cocoyl isethionate, camphorsulfonic acid, Tristearoylglycerol, zinc oleate and titanium dioxide are joined in above-mentioned system, stir 2 ~ 4h, be cooled to room temperature.
7. the preparation method of a kind of high adhesive force polyaniline anti-corrosive paint according to claim 6, it is characterized in that the rotating speed in described step (2) is 1500rpm, jitter time is 20min.
8. the preparation method of a kind of high adhesive force polyaniline anti-corrosive paint according to claim 6, it is characterized in that the described temperature in described step (3) is 48 DEG C, churning time is 2h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510932417.6A CN105331224A (en) | 2015-12-15 | 2015-12-15 | High-adhesion polyaniline anticorrosive coating and preparation method thereof |
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| CN201510932417.6A CN105331224A (en) | 2015-12-15 | 2015-12-15 | High-adhesion polyaniline anticorrosive coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226125A (en) * | 2020-09-30 | 2021-01-15 | 筑友智造建设科技集团有限公司 | Steel bar antirust composite coating and preparation method thereof |
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| CN101928499A (en) * | 2010-08-12 | 2010-12-29 | 淮阴工学院 | Method for preparing anticorrosive protective paint with polyaniline/attapulgite clay composite particle and application thereof |
| CN102115627A (en) * | 2011-04-12 | 2011-07-06 | 厦门大学 | Expanding type steel structure fireproof and anticorrosion coating and preparation method thereof |
| CN102634276A (en) * | 2012-04-25 | 2012-08-15 | 厦门大学 | Heavy-duty anticorrosive polyaniline coating and preparation method thereof |
| CN102634265A (en) * | 2012-04-25 | 2012-08-15 | 厦门大学 | Ship heavy-duty anti-corrosive coating with double anti-corrosive functions and preparation method thereof |
| CN102863881A (en) * | 2012-09-14 | 2013-01-09 | 黄宣斐 | Steel-surface environment-friendly anticorrosive paint and preparation method thereof |
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2015
- 2015-12-15 CN CN201510932417.6A patent/CN105331224A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928499A (en) * | 2010-08-12 | 2010-12-29 | 淮阴工学院 | Method for preparing anticorrosive protective paint with polyaniline/attapulgite clay composite particle and application thereof |
| CN102115627A (en) * | 2011-04-12 | 2011-07-06 | 厦门大学 | Expanding type steel structure fireproof and anticorrosion coating and preparation method thereof |
| CN102634276A (en) * | 2012-04-25 | 2012-08-15 | 厦门大学 | Heavy-duty anticorrosive polyaniline coating and preparation method thereof |
| CN102634265A (en) * | 2012-04-25 | 2012-08-15 | 厦门大学 | Ship heavy-duty anti-corrosive coating with double anti-corrosive functions and preparation method thereof |
| CN102863881A (en) * | 2012-09-14 | 2013-01-09 | 黄宣斐 | Steel-surface environment-friendly anticorrosive paint and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112226125A (en) * | 2020-09-30 | 2021-01-15 | 筑友智造建设科技集团有限公司 | Steel bar antirust composite coating and preparation method thereof |
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Application publication date: 20160217 |