CN102952438A - Carbon fiber grounding grid anti-corrosive paint and preparation and application methods thereof - Google Patents
Carbon fiber grounding grid anti-corrosive paint and preparation and application methods thereof Download PDFInfo
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- CN102952438A CN102952438A CN201210452797XA CN201210452797A CN102952438A CN 102952438 A CN102952438 A CN 102952438A CN 201210452797X A CN201210452797X A CN 201210452797XA CN 201210452797 A CN201210452797 A CN 201210452797A CN 102952438 A CN102952438 A CN 102952438A
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Abstract
The invention provides a carbon fiber grounding grid anti-corrosive paint and preparation and application methods thereof. The paint comprises the following components in parts by weight: 30 parts of acrylic resin, 50 parts of dissolving agent, 1.8 parts of epoxy resin, 25 parts of carbon fiber and 5 parts of carbon black serving as conductive filler, 2 parts of diluent, 0.5 part of silane coupling agent, 0.2 part of curing agent and 0.1 part of thickening agent. Strict pretreatment is performed on the surface of a basal body before construction; the surface of the basal body is required to be smooth, dustless and greaseless; the dissolving agent, the conductive filler, the curing agent and the like are required to be fully dissolved during construction; the coating contact is good; the thickness is uniform; the surface is flat; dry environment, ventilation and no pollution are required at a solidification stage; and a coating formed by coating the paint has the advantages of uniformity, compact structure and good conduction performance and has superior corrosion resistance performance.
Description
Technical field
The present invention relates to prescription and the preparation technology of protective system, relate in particular to a kind of carbon fiber ground net protective system and methods for making and using same thereof.
Background technology
Carbon conductive coating paint is good except conducting electricity, the secure persistent, also have the advantages such as cost is low, nontoxic, resistance is adjustable, be present in order to replace a kind of new function coating of the noble metals such as traditional copper, silver, gold, nickel, have a wide range of applications.
Requiring at present electrically conducting coating to have the characteristics such as high conductivity, erosion resistance are strong, is that the further research of conductive coating must improve prescription from following two aspects for charcoal therefore:
1) seeking the better charcoal of performance is conductive filler material.Carbon fiber light weight, intensity are high, and it has certain length-to-diameter ratio in addition, is conducive to the formation of conductive path in the conductive coating, has become gradually the up-and-coming youngster in the conductive filler material system;
2) select better binding agent.Traditional binding agent specific function is few, and sticking power has much room for improvement, and in fact, the solvent of the great majority that use at present and binder phase coupling, solidifying agent all can produce larger impact to the conductivity of conductive coating.
Summary of the invention
In order to overcome the problems referred to above, the invention provides a kind of carbon fiber ground net protective system and preparation method thereof, the conductive coating that this protective system forms has better electroconductibility and bonding strength.
For achieving the above object, the present invention has adopted following technical scheme:
It is composed of the following components that this protective system is pressed mass fraction:
Acrylic resin: 25 ~ 35 parts
Solvating agent: 45 ~ 60 parts
Resins, epoxy: 1 ~ 3 part
Conductive filler material: 20 ~ 30 parts of carbon fibers and 4 ~ 6 parts of carbon blacks
Thinner: 1 ~ 3 part
Silane coupling agent: 0.3 ~ 0.7 part
Solidifying agent: 0.1 ~ 0.3 part
Thickening material: 0.05 ~ 0.2 part.
Described solvating agent is dimethylbenzene, toluene, ethyl acetate or acetone.
The purity of described carbon fiber is higher than 99.9%, and granularity is between 5 ~ 40 microns, and carbon black is Shawinigan black.
Described thinner is tetrahydrobenzene, organic silicon diluent or amino thinner.
Described silane coupling agent is KH-550.
Described solidifying agent is tolylene diisocyanate (TDI), and thickening material is inorganic thickening agent class, cellulose family, acrylic acid or the like or polyurethanes thickening material.
The preparation method of above-mentioned carbon fiber ground net protective system may further comprise the steps:
1) take by weighing acrylic resin, add solvating agent in acrylic resin, fully dissolve rear adding silane coupling agent until acrylic resin, add Resins, epoxy after stirring again, then stirring obtains the lysate of transparence;
2) carbon fiber that takes by weighing and carbon black are put into uniformly lysate mixed solution, then stir, be stirred to that component in the mixed solution mixes, mixed solution is thick, gets colloidal sol without visible particle;
3) in colloidal sol, add thinner, add again solidifying agent after stirring, then stir, add at last thickening material and stir.
The application method of above-mentioned carbon fiber ground net protective system may further comprise the steps: after coating preparation is good, left standstill 10 ~ 40 minutes, then evenly apply at carbon body structure iron matrix, thickness is no more than 0.2mm.
Before the described coating carbon body structure iron matrix is eliminated rust, cleans with acetone, then phosphatization.
Described coating natural air drying (initial set) at room temperature after coating, the setting time after air-dry be more than or equal to 12 hours, guarantee in the process of setting coating environmental drying of living in ventilate, away from source of pollution; Behind the coating solidification after the described coating, thickness is between 0.08 ~ 0.13mm.
In order to improve the corrosion resistance nature of coating, it is the additive carbon fiber that the present invention has added charcoal, and purity is higher than 99.9%, granularity is between 5 ~ 40 microns, and the manufacturer is paddy field, Shanghai material Science and Technology Ltd..Carbon fiber strength is high and certain length-to-diameter ratio arranged, owing to having added carbon fiber, the compactness of conductive coating and all be significantly improved with the bonding strength of matrix has solved the poor difficult problem of conductive coating antiseptic property in root like this; Owing to the adding of carbon fiber, the microtexture of coating presents intensive knitmesh pattern on the other hand, and this structure then provides conductive channel for the conductive coating after the improvement.
The present invention adopts coupling agent that resin is carried out modification, has improved wettability and the dispersiveness of conductive filler material in resin on the one hand, is conducive to improve the conductivity of coating, has improved on the other hand the binding property of resin, is conducive to improve the mechanical property of coating.
Owing to the reason such as circumstance complication, ferro element be very easily oxidized, the present invention has increased parkerized pre-treatment link before applying, this technique not only can obviously improve the bonding strength of matrix and coating, the more important thing is so that the matrix surface homogeneous chemical composition, thereby avoided coating the problems such as bubble or defective may occur in root, further improved the antiseptic property of corrosion protection coating in severe environment.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment
1) takes by weighing acrylic resin (producer: Dutch DSM Jie Likang, model: B-725) 30 parts, in acrylic resin, add the rear stirring of 50 portions of solvating agents (dimethylbenzene) 10 ~ 30 minutes, after fully being dissolved to transparence, acrylic resin adds 0.5 part of silane coupling agent (KH-550), add 1.8 parts of Resins, epoxy after stirring, then stirring obtains the lysate of transparence again; 25 parts of carbon fibers that 2) will take by weighing and 5 parts of carbon blacks put into uniformly lysate mixed solution, then stir, component in the mixed solution mixes churning time greater than making in 20 minutes, mixed solution is thick, gets colloidal sol without visible particle; 3) add 2 parts of thinners (tetrahydrobenzene) in the colloidal sol, add again 0.2 part of solidifying agent (TDI) after stirring, then stir, add at last 0.1 part of thickening material (Xi'an Ou Ke Raw Materials Company of Chemical Industry, Vltra tears) and stir.
After coating preparation is good, left standstill 10 ~ 40 minutes, then evenly apply at carbon body structure iron matrix, thickness is no more than 0.2mm.Described carbon body structure iron matrix is common carbon body structure iron Q235, before applying to carbon body structure iron matrix eliminate rust, the pre-treatment work such as cleaning, phosphatization, guarantee that substrate material surface is homogeneous, smooth bright and clean.Described coating natural air drying at room temperature after coating, the setting time after air-dry be more than or equal to 12 hours, guarantee in the process of setting coating environmental drying of living in ventilate, away from solid impurity and liquid impurity source of pollution.Described coating adopts common brushing technique, require coated component evenly, without bubble, without the hole, hole, cover fully, compactness is good, after guaranteeing to solidify, thickness is between 0.08 ~ 0.13mm.
Increase along with carbon fiber content, the conductivity of coating can reduce gradually, this mainly is because the conductivity of carbon fiber itself is weaker than carbon black, adopting carbon fiber content through test of many times and checking is that 25 parts, the content of carbon black are 5 parts, and this ratio is the optimized prescription of properties of coating exactly also.
In the severe environment of strong acid, highly basic and severe corrosive salt, the combination of carbon body structure iron matrix and conductive coating can be subject to very strict test, the content of the binding agent that the present invention adopts and the thinner that is complementary with it, solidifying agent, thickening material etc. is respectively 1.8 parts of Resins, epoxy, 2 parts of tetrahydrobenzene, 0.1 part of TDI0.2 part, Vltra tears verify that through tensile test and corrosion test its bonding properties and antiseptic property are all optimum.
The sticking power test data of subordinate list 1. different epoxy resin content prescriptions
Resistivity and the specific conductivity of subordinate list 2 different epoxy resin content prescriptions
On sticking power impact larger be the content of Resins, epoxy, designed the orthogonal test of different content Resins, epoxy for these characteristics, the result shows that the sticking power along with the increase coating of epoxy resin content has very significantly raising, but because Resins, epoxy is the insulation material, its content can not be too high, therefore the present invention takes into account conductivity and the final selection scheme two of bonding properties is the best proportion prescription.
Claims (10)
1. carbon fiber ground net protective system, it is characterized in that: it is composed of the following components that this protective system is pressed mass fraction:
Acrylic resin: 25 ~ 35 parts
Solvating agent: 45 ~ 60 parts
Resins, epoxy: 1 ~ 3 part
Conductive filler material: 20 ~ 30 parts of carbon fibers and 4 ~ 6 parts of carbon blacks
Thinner: 1 ~ 3 part
Silane coupling agent: 0.3 ~ 0.7 part
Solidifying agent: 0.1 ~ 0.3 part
Thickening material: 0.05 ~ 0.2 part.
2. described a kind of carbon fiber ground net protective system according to claim 1, it is characterized in that: described solvating agent is dimethylbenzene, toluene, ethyl acetate or acetone.
3. described a kind of carbon fiber ground net protective system according to claim 1, it is characterized in that: the purity of described carbon fiber is higher than 99.9%, and granularity is between 5 ~ 40 microns, and carbon black is Shawinigan black.
4. described a kind of carbon fiber ground net protective system according to claim 1, it is characterized in that: described thinner is tetrahydrobenzene, organic silicon diluent or amino thinner.
5. described a kind of carbon fiber ground net protective system according to claim 1, it is characterized in that: described silane coupling agent is KH-550.
6. described a kind of carbon fiber ground net protective system according to claim 1, it is characterized in that: described solidifying agent is tolylene diisocyanate, thickening material is inorganic thickening agent class, cellulose family, acrylic acid or the like or polyurethanes thickening material.
7. one kind prepares the as claimed in claim 1 method of carbon fiber ground net protective system, it is characterized in that: may further comprise the steps:
1) take by weighing acrylic resin, add solvating agent in acrylic resin, fully dissolve rear adding silane coupling agent until acrylic resin, add Resins, epoxy after stirring again, then stirring obtains the lysate of transparence;
2) carbon fiber that takes by weighing and carbon black are put into uniformly lysate mixed solution, then stir, be stirred to that component in the mixed solution mixes, mixed solution is thick, gets colloidal sol without visible particle;
3) in colloidal sol, add thinner, add again solidifying agent after stirring, then stir, add at last thickening material and stir.
8. application method of carbon fiber ground net protective system as claimed in claim 1, it is characterized in that: may further comprise the steps: after coating preparation is good, left standstill 10 ~ 40 minutes, then evenly apply at carbon body structure iron matrix, thickness is no more than 0.2mm.
9. the application method of described a kind of carbon fiber ground net protective system according to claim 8 is characterized in that: before the described coating carbon body structure iron matrix is eliminated rust, cleans with acetone, then phosphatization.
10. the application method of described a kind of carbon fiber ground net protective system according to claim 8, it is characterized in that: described coating natural air drying at room temperature after coating, setting time after air-dry is more than or equal to 12 hours, guarantee in the process of setting coating environmental drying of living in ventilate, away from source of pollution; Behind the coating solidification after the described coating, thickness is between 0.08 ~ 0.13mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210452797.XA CN102952438B (en) | 2012-11-13 | 2012-11-13 | Carbon fiber grounding grid anti-corrosive paint and preparation and application methods thereof |
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| CN201210452797.XA CN102952438B (en) | 2012-11-13 | 2012-11-13 | Carbon fiber grounding grid anti-corrosive paint and preparation and application methods thereof |
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| CN102952438A true CN102952438A (en) | 2013-03-06 |
| CN102952438B CN102952438B (en) | 2014-12-10 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723620A (en) * | 2012-06-20 | 2012-10-10 | 青岛辉安工程控制有限公司 | Composite anticorrosion grounding device and preparation method thereof |
| CN103525224A (en) * | 2013-11-01 | 2014-01-22 | 合肥华清金属表面处理有限责任公司 | Petroleum pipeline inner wall antistatic anticorrosive paint containing magnetic particles |
| CN103666144A (en) * | 2013-09-10 | 2014-03-26 | 铜陵市肆得科技有限责任公司 | Acrylic resin antirust paint for vehicle and preparation method thereof |
| CN104231699A (en) * | 2014-09-18 | 2014-12-24 | 意欧斯仓储设备股份有限公司 | Corrosion-resistant paint replacing electroplating on forklift surface |
| CN104861634A (en) * | 2015-04-28 | 2015-08-26 | 安徽顺驰电缆有限公司 | Conductive anticorrosion packing |
| CN105086753A (en) * | 2015-08-10 | 2015-11-25 | 国网天津市电力公司 | Anti-corrosion conductive coating for electric power grounding grid |
| CN105153877A (en) * | 2015-09-30 | 2015-12-16 | 国网山东省电力公司临沂供电公司 | Anticorrosive coating for grounding down conductor |
| CN105255081A (en) * | 2015-09-30 | 2016-01-20 | 苏州蔻美新材料有限公司 | Corrosion-resistant insulating material and preparation method thereof |
| CN106634550A (en) * | 2016-12-26 | 2017-05-10 | 张学健 | Novel low-cost conductive paint |
| CN107196076A (en) * | 2017-06-12 | 2017-09-22 | 武城县光明电力工程有限公司 | A kind of electric anti-theft grounding pile |
| CN107760184A (en) * | 2017-11-21 | 2018-03-06 | 广西吉宽太阳能设备有限公司 | Wooden component coating and production method |
| CN107779074A (en) * | 2017-11-21 | 2018-03-09 | 广西吉宽太阳能设备有限公司 | Powder architectural coating and production method |
| CN111318432A (en) * | 2020-03-18 | 2020-06-23 | 安瑞普科技(深圳)有限公司 | Spraying process, formula and equipment for fuse tube conductive paint |
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| CN1664034A (en) * | 2005-02-22 | 2005-09-07 | 大庆石油管理局 | Carbon fiber static-conducting coating and method for making same |
| CN102300346A (en) * | 2011-08-12 | 2011-12-28 | 内蒙古春暖电能热力有限公司 | Polymer composite electric heating material and preparation method and use thereof |
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2012
- 2012-11-13 CN CN201210452797.XA patent/CN102952438B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664034A (en) * | 2005-02-22 | 2005-09-07 | 大庆石油管理局 | Carbon fiber static-conducting coating and method for making same |
| CN102300346A (en) * | 2011-08-12 | 2011-12-28 | 内蒙古春暖电能热力有限公司 | Polymer composite electric heating material and preparation method and use thereof |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723620B (en) * | 2012-06-20 | 2015-03-25 | 青岛辉安工程控制有限公司 | Composite anticorrosion grounding device and preparation method thereof |
| CN102723620A (en) * | 2012-06-20 | 2012-10-10 | 青岛辉安工程控制有限公司 | Composite anticorrosion grounding device and preparation method thereof |
| CN103666144A (en) * | 2013-09-10 | 2014-03-26 | 铜陵市肆得科技有限责任公司 | Acrylic resin antirust paint for vehicle and preparation method thereof |
| CN103525224B (en) * | 2013-11-01 | 2016-01-06 | 合肥华清金属表面处理有限责任公司 | A kind of petroleum pipe line inwall anti-static and anti-corrosive paint containing magnetic particle |
| CN103525224A (en) * | 2013-11-01 | 2014-01-22 | 合肥华清金属表面处理有限责任公司 | Petroleum pipeline inner wall antistatic anticorrosive paint containing magnetic particles |
| CN104231699A (en) * | 2014-09-18 | 2014-12-24 | 意欧斯仓储设备股份有限公司 | Corrosion-resistant paint replacing electroplating on forklift surface |
| CN104231699B (en) * | 2014-09-18 | 2016-05-04 | 意欧斯智能科技股份有限公司 | Substitute the corrosion-resistant paint of fork truck electroplating surface |
| CN104861634A (en) * | 2015-04-28 | 2015-08-26 | 安徽顺驰电缆有限公司 | Conductive anticorrosion packing |
| CN105086753A (en) * | 2015-08-10 | 2015-11-25 | 国网天津市电力公司 | Anti-corrosion conductive coating for electric power grounding grid |
| CN105153877A (en) * | 2015-09-30 | 2015-12-16 | 国网山东省电力公司临沂供电公司 | Anticorrosive coating for grounding down conductor |
| CN105255081A (en) * | 2015-09-30 | 2016-01-20 | 苏州蔻美新材料有限公司 | Corrosion-resistant insulating material and preparation method thereof |
| CN106634550A (en) * | 2016-12-26 | 2017-05-10 | 张学健 | Novel low-cost conductive paint |
| CN107196076A (en) * | 2017-06-12 | 2017-09-22 | 武城县光明电力工程有限公司 | A kind of electric anti-theft grounding pile |
| CN107760184A (en) * | 2017-11-21 | 2018-03-06 | 广西吉宽太阳能设备有限公司 | Wooden component coating and production method |
| CN107779074A (en) * | 2017-11-21 | 2018-03-09 | 广西吉宽太阳能设备有限公司 | Powder architectural coating and production method |
| CN111318432A (en) * | 2020-03-18 | 2020-06-23 | 安瑞普科技(深圳)有限公司 | Spraying process, formula and equipment for fuse tube conductive paint |
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