Background technology
Corrosion is to be formed by atoms metal and combination with oxygen, and can weaken the structure of metal, and annual hardware and the material of scrapping owing to corrosion is equivalent to 1/3 of metal output.To the protection of hardware mainly still based on the coating anticorrosive coating, as common organic coating with contain the coating etc. of heavy metal inhibiter.But coating itself is difficult to stop oxygen, hydrogen ion etc. to corrosion of metal fully as the physical barrier layer, and heavy metal harm people's health and environment, along with the concern of various countries to environmental problem and economic problems, develop more effectively, the Eco-power anticorrosive coating of environmental friendliness has become development trend.
Electrically conducting coating is to follow modern science and technology and the special type function material that develops rapidly, now has been widely used in the every field such as electronic apparatus aviation chemical industry printing.In the prior art, electrically conducting coating mainly is divided into two big classes: addition type electrically conducting coating and non-addition type electrically conducting coating, non-addition type electrically conducting coating is meant the filmogen conduction in the coating, need not add conductive filler material, this kind coating is just becoming the focus of research now, but its commercial prod seldom, and this kind product functionality is strong, can't guarantee the mechanical property of coating, the general application seldom; Advantages such as the addition type electrically conducting coating is meant filmogen insulation in the coating, reaches the conduction purpose by being added into conductive filler material, and this kind coating is simple owing to its preparation technology, conductive effect is better are subjected to the welcome of coating producer and Market Consumer thereof.
The addition type conductive filler material generally is divided into static inhibitor system, carbon system (carbon black, graphite, carbon fiber) and metal system (silver powder, copper powder, nickel powder, metal alloy powder etc.).Wherein, static inhibitor is temperature tolerance, water tolerance, oil-proofness, erosion resistance and poor durability, and the antistatic property instability, and its goods surface resistivity is generally greater than 10
8Ω only can be applicable to that relative humidity is greater than 60% environment; Black graphite and carbon black conductive effect are relatively poor, bad dispersibility, goods darker in color, be difficult for toning, be unfavorable for construction, produce and use and easily stain Working environment; Though metal-powder conductive effects such as aluminium, copper, nickel are good, cost an arm and a leg, and unstable chemcial property, the easy oxidation in top layer can reduce even lose electroconductibility, disturbs radiowave, and corrosion-resistant.Because the various defectives of these conductive filler materials in application of paints, are restricted its scope.Present light composite conductive powder from external import, result of use is very good, but owing to cost an arm and a leg, can not popularize, now, the conductive filler material of domestic use is still based on static inhibitor and carbonaceous material, the color of this type of electrically conducting coating is darker, not only bad for construction, use also restricted, as be applied to oil tank or storage tank etc., and influence attractive in appearance, so press for that the exploitation look shallow, stability is high, wave is good, good conductivity, conductive filler material that price is low satisfy the demand in coating market, thereby make coating can be applied to every field, satisfy the demand of society.
Glass flake anticorrosion paint uses very extensive, and the glass flake corrosion-resistant conductive coating also be mostly adopt carbon system as graphite as addition type conductive filler material (Zhang Lulu, swim quick, Wu builds up etc. Study on glass flake conductive coating. and electroplate and decorate, 2007,26 (2): 32-34.), it is conductive filler material that the glass flake conductive coating of putting down in writing in the document adopts graphite, because graphite is greyish black, the characteristic of Steel Grey, determined its toning property, tinting strength is relatively poor, can only the furnishing dark color, so painting color is darker, be difficult for toning, use range is restricted, because its electroconductibility is relatively poor, material is looser in addition, cause the electroconductibility and the antiseptic property of this coating relatively poor, and powdered graphite pollute the environment.
Summary of the invention
In order to overcome above-mentioned deficiency, technical problem to be solved provides a kind of light-colored conductive heavy-duty coating just in the present invention, and this coating can be widely used in every field, has characteristics such as electroconductibility is strong, heavily anticorrosion, mechanical property excellence.
The technical problem that the present invention also will solve provides the preparation method of above-mentioned light-colored conductive heavy-duty coating.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of light-colored conductive heavy-duty coating, it is combined by first component and the second component weight ratio by 9: 1, wherein:
The first component comprises following composition:
(1) bisphenol A epoxide resin: 26~45 weight parts;
(2) anti-settling agent: wilkinite 5~12 weight parts;
(3) scale conductive glass powder: 25~40 weight parts;
(4) conductive titanium dioxide: 4~15 weight parts;
(5) auxiliary agent: dispersion agent 0.5~2 weight part, flow agent 1~3 weight part,
Defoamer 0.8~3 weight part, white carbon black 2~4 weight parts;
(6) mixed solvent: dimethylbenzene 5~15 weight parts, butyl glycol ether 10~20 weight parts;
The second component comprises following composition:
(1) polyamide curing agent: 10~20 weight parts;
(2) Virahol: 56~75 weight parts;
(3) dimethylbenzene: 25~40 weight parts.
Described scale conductive glass powder is preferably used silver-plated scale glass powder, so that save cost.
Described component B amine value is preferably 99~121mg KOH/g.
Described butyl glycol ether is preferably used the butyl glycol ether of purity 〉=99.5%.
Described Virahol is preferably used the Virahol of purity 〉=99%.
Make the method for above-mentioned light-colored conductive heavy-duty coating, comprise the steps:
The first component:
(1) weight part by the prescription requirement carries out weighing, bisphenol A epoxide resin, wilkinite, conductive titanium dioxide, flow agent, white carbon black, defoamer, dimethylbenzene and butyl glycol ether are added in the dispersion cylinder, add dispersion agent again after high-speed stirring is even, continue to stir, dispersion agent is dissolved fully;
(2) above-mentioned dispersion cylinder is adjusted to middling speed and stirs, the scale conductive glass powder is added in it, be stirred to even mill base;
(3), filter and package with 80 mesh sieves by the qualified back of standard test again with above-mentioned dispersion cylinder high-speed stirring 20~30 minutes;
Component B:
(1) polyamide curing agent is warming up to 80 ℃~100 ℃;
(2) will stir in 80 ℃~100 ℃ the polyamide curing agent adding dissolving pan;
(3) dimethylbenzene, Virahol are added in the dissolving pan of above-mentioned stirring, continue to stir, rotating speed is 600~800r/min, to dissolving fully, mixing;
(4) by standard test qualified after, filter and package with 80 mesh sieves.
During use, be to mix at 9: 1 to get final product by weight with first component and second component.
Described high-speed stirring is more than the 1800r/min.
It is 1000~1200r/min that described middling speed stirs.
Beneficial effect: a kind of light-colored conductive heavy-duty coating of the present invention has the following advantages:
1, adopting conductive titanium dioxide is conductive filler material, because its whiteness height, and have very strong tinting strength, and the toning of coating and tinting strength are increased, the present invention can be modulated into versicolor permanent conduction, Antistatic Paint such as near-white;
2, scale conductive glass powder of the present invention is to be matrix with the glass flake, adopt the plated film technology, by surface treatment, make its stromal surface form the electroconductibility zone of oxidation, and a kind of novel conductive functional filler that makes, its outward appearance generally is light-colored powder, as canescence or light grey powder, can be modulated into shades of colours such as white so guaranteed the present invention more, use no longer to be restricted, and convenient;
3, the scale conductive glass powder is as the anticorrosion raw material of corrosion-resistant conductive coating, the present invention is when utilizing its antiseptic property, add conductive titanium dioxide as conductive filler material, overcome and adopted the detrimentally affect of other conductive filler material (as graphite), guaranteed that the present invention has heavy antiseptic property its antiseptic property;
4, because above-mentioned scale conductive glass powder also has the characteristics that electroconductibility is good, resistivity is low, price is low, therefore with scale conductive glass powder and conductive titanium dioxide combination, the resistivity that can to reduce whole employing conductive titanium dioxides be conductive filler material, increase its conductivity, and reduced production cost;
5, special material combination not only has the heavy rot-resistant characteristics of light-colored conductive, and the mechanical property excellence, and self-cleaning, fullness ratio, ageing-resistant performance are good;
6, can be widely used in conduction, anti-electrostatic and the antiseptic project of every field such as oil, chemical industry, building materials, electronics, boats and ships, and have advantages such as the construction of being easy to, easy to use, with low cost, environmental protection;
7, the preparation method is simple, is easy to the streamline large-scale industrialization and produces.
Embodiment
Use raw material:
(1) bisphenol A epoxide resin storehouse trap west resin chemical industry company limited too
(2) wilkinite Hangzhou lean chemical industry company limited
(3) scale conductive glass powder Huizhou City rapid development Science and Technology Ltd.
(4) conductive titanium dioxide: FT-1000 Shanghai Sang Jing chemical industry company limited
(5) dimethylbenzene Nanjing YPC Refining﹠Chemical Co., Ltd.
(6) dispersion agent: the chemical company limited of 901F moral modest (Shanghai)
(7) flow agent: the chemical company limited of 432 morals modest (Shanghai)
(8) defoamer: surfyonl DF-110D U.S. aerification chemical product company limited
(9) white carbon black: M-5 U.S. Cabot Co.,Ltd
(10) butyl glycol ether (〉=99.5%) is gone up all chemical industry company limiteds of hamming
The second component
(1) polyamide curing agent: chemical plant, the Changjiang river, 651 Zhenjiang
(2) Virahol (〉=99%) Shanghai Coke Plant
(3) dimethylbenzene Nanjing YPC Refining﹠Chemical Co., Ltd.
Embodiment 1:
A kind of light-colored conductive heavy-duty coating is made up of first and second liang of components, and its composition is composed as follows:
The first component comprises following composition:
(1) bisphenol A epoxide resin: 26 grams;
(2) wilkinite: 8 grams;
(3) scale conductive glass powder: 30 grams;
(4) conductive titanium dioxide: 8 grams;
(5) auxiliary agent: dispersion agent 1 gram, flow agent 1 gram,
Defoamer 3 grams, white carbon black 4 grams;
(6) mixed solvent: dimethylbenzene 15 grams, butyl glycol ether (〉=99.5%) 10 grams;
The second component comprises following composition:
(1) polyamide curing agent: 10 grams;
(2) Virahol (〉=99%): 62 grams;
(3) dimethylbenzene: 35 grams.
The amine value of second component is 99mg KOH/g;
First component: second component=9: 1 (weight ratio).
The preparation method is as follows:
The first component:
(1) weight part by the prescription requirement carries out weighing, bisphenol A epoxide resin, wilkinite, conductive titanium dioxide, flow agent, white carbon black, defoamer, dimethylbenzene and butyl glycol ether are added in the high speed dispersion cylinder, with the rotating speed is to add dispersion agent again after 1800r/min stirs, continue to stir, dispersion agent is dissolved fully;
(2) above-mentioned dispersion cylinder is adjusted to middling speed and stirs, the scale conductive glass powder is added in it, be stirred to even mill base with 1200r/min;
(3) stirred 20 minutes with high speed 1800r/min again, filter and package with 180 μ m (80 order) sieve by the qualified back of standard test;
Component B:
(1) polyamide curing agent is sent into drying room and be warming up to 80 ℃;
(2) will stir in 80 ℃ the polyamide curing agent adding dissolving pan;
(3) dimethylbenzene, Virahol are added continue in the dissolving pan of above-mentioned stirring to stir, rotating speed is that 800r/min is to dissolving fully, mixing;
(4) by standard test qualified after, filter and package with 180 μ m (80 order) sieve.
During use, be to mix at 9: 1 to get final product by weight with first component and second component.
Embodiment 2:
A kind of light-colored conductive heavy-duty coating is made up of first and second liang of components, and its composition is composed as follows:
The first component comprises following composition:
(1) bisphenol A epoxide resin: 32 grams;
(2) wilkinite: 5 grams;
(3) scale conductive glass powder: 36 grams;
(4) conductive titanium dioxide: 12 grams;
(5) auxiliary agent: dispersion agent 0.5 gram, flow agent 2 grams,
Defoamer 1.5 grams, white carbon black 3 grams;
(6) mixed solvent: dimethylbenzene 5 grams, butyl glycol ether (〉=99.5%) 15 grams;
The second component comprises following composition:
(1) polyamide curing agent: 20 grams;
(2) Virahol (〉=99%): 56 grams;
(3) dimethylbenzene: 40 grams.
The amine value of second component is 121mg KOH/g;
First component: second component=9: 1 (weight ratio).
The preparation method:
The first component:
(1) weight part by the prescription requirement carries out weighing, bisphenol A epoxide resin, wilkinite, conductive titanium dioxide, flow agent, white carbon black, defoamer, dimethylbenzene and butyl glycol ether are added in the high speed dispersion cylinder, with the rotating speed is to add dispersion agent again after 2000r/min stirs, continue to stir, dispersion agent is dissolved fully;
(2) above-mentioned dispersion cylinder is adjusted to middling speed and stirs, the scale conductive glass powder is added in it, be stirred to even mill base with 1000r/min;
(3) stirred 30 minutes with high speed 2000r/min again, filter and package with 180 μ m (80 order) sieve by the qualified back of standard test;
Component B:
(1) polyamide curing agent is sent into drying room and be warming up to 100 ℃;
(2) will stir in 100 ℃ the polyamide curing agent adding dissolving pan;
(3) dimethylbenzene, Virahol are added continue in the dissolving pan of above-mentioned stirring to stir, rotating speed is that 600r/min is to dissolving fully, mixing;
(4) by standard test qualified after, filter and package with 180 μ m (80 order) sieve.
During use, be to mix at 9: 1 to get final product by weight with first component and second component.
Embodiment 3:
A kind of light-colored conductive heavy-duty coating is made up of first and second liang of components, and its composition is composed as follows:
The first component comprises following composition:
(1) bisphenol A epoxide resin: 38 grams;
(2) wilkinite: 12 grams;
(3) scale conductive glass powder: 25 grams;
(4) conductive titanium dioxide: 15 grams;
(5) auxiliary agent: dispersion agent 2 grams, flow agent 3 grams,
Defoamer 0.8 gram, white carbon black 2 grams;
(6) mixed solvent: dimethylbenzene 10 grams, butyl glycol ether (〉=99.5%) 20 grams;
The second component comprises following composition:
(1) polyamide curing agent: 15 grams;
(2) Virahol (〉=99%): 68 grams;
(3) dimethylbenzene: 30 grams.
The amine value of second component is 110mg KOH/g;
First component: second component=9: 1 (weight ratio).
The preparation method:
The first component:
(1) weight part by the prescription requirement carries out weighing, bisphenol A epoxide resin, wilkinite, conductive titanium dioxide, flow agent, white carbon black, defoamer, dimethylbenzene and butyl glycol ether are added in the high speed dispersion cylinder, with the rotating speed is to add dispersion agent again after 2000r/min stirs, continue to stir, dispersion agent is dissolved fully;
(2) above-mentioned dispersion cylinder is adjusted to middling speed and stirs, the scale conductive glass powder is added in it, be stirred to even mill base with 1000r/min;
(3) stirred 30 minutes with high speed 2000r/min again, filter and package with 180 μ m (80 order) sieve by the qualified back of standard test;
Component B:
(1) polyamide curing agent is sent into drying room and be warming up to 100 ℃;
(2) will stir in 100 ℃ the polyamide curing agent adding dissolving pan;
(3) dimethylbenzene, Virahol are added continue in the dissolving pan of above-mentioned stirring to stir, rotating speed is that 700r/min is to dissolving fully, mixing;
(4) by standard test qualified after, filter and package with 180 μ m (80 order) sieve.
During use, be to mix at 9: 1 to get final product by weight with first component and second component.
Embodiment 4:
A kind of light-colored conductive heavy-duty coating is made up of first and second liang of components, and its composition is composed as follows:
The first component comprises following composition:
(1) bisphenol A epoxide resin: 45 grams;
(2) anti-settling agent: wilkinite 8 grams;
(3) scale conductive glass powder: plating bath scale glass powder 40 grams;
(4) conductive titanium dioxide: 4 grams;
(5) auxiliary agent: dispersion agent 1.5 grams, flow agent 2 grams,
Defoamer 2.1 grams, white carbon black 3 grams;
(6) mixed solvent: dimethylbenzene 10 grams, butyl glycol ether (〉=99.5%) 15 grams;
The second component comprises following composition:
(1) polyamide curing agent: 15 grams;
(2) Virahol (〉=99%): 75 grams;
(3) dimethylbenzene: 25 grams.
The amine value of second component is 115mg KOH/g;
First component: second component=9: 1 (weight ratio).
The preparation method:
The preparation of silver-plated scale glass:
(1) configuration silver ammino solution: with AgNO
3Be dissolved in the distilled water, constantly stir and add ammoniacal liquor, until the Ag that is separated out
2The dissolving fully of O precipitation, solution blackening once more behind the adding NaOH continues to add ammoniacal liquor to limpid fully, can obtain silver ammino solution;
(2) configuration reduced liquid: glucose and tartrate are dissolved in an amount of water, heated and boiled 10 minutes, the cooling back adds ethanol can obtain reduced liquid;
(3) prepare silver-plated scale glass: under the condition of stirring and heating in water bath, above-mentioned silver ammino solution that has disposed and reduced liquid are added drop-wise in the scale glass aaerosol solution, after reaction is finished, cooling naturally, filtration, washing, oven dry, can obtain silver-plated scale glass, standby.
The first component:
(1) weight part by the prescription requirement carries out weighing, bisphenol A epoxide resin, wilkinite, conductive titanium dioxide, flow agent, white carbon black, defoamer, dimethylbenzene and butyl glycol ether are added in the high speed dispersion cylinder, with the rotating speed is to add dispersion agent again after 2200r/min stirs, continue to stir, dispersion agent is dissolved fully;
(2) above-mentioned dispersion cylinder is adjusted to middling speed and stirs, the scale conductive glass powder is added in it, be stirred to even mill base with 1100r/min;
(3) stirred 30 minutes with high speed 2200r/min again, filter and package with 180 μ m (80 order) sieve by the qualified back of standard test;
Component B:
(1) polyamide curing agent is sent into drying room and be warming up to 90 ℃;
(2) will stir in 90 ℃ the polyamide curing agent adding dissolving pan;
(3) dimethylbenzene, Virahol are added continue in the dissolving pan of above-mentioned stirring to stir, rotating speed is that 700r/min is to dissolving fully, mixing;
(4) by standard test qualified after, filter and package with 180 μ m (80 order) sieve.
During use, be to mix at 9: 1 to get final product by weight with first component and second component.
Promptly become a kind of conductive heavy-duty coating that can be used for every field of light color after resulting first and second components of the foregoing description 1-4 are allocated in proportion, this each embodiment detected result such as table one according to national standard:
The key technical indexes of table one, " light-colored conductive heavy-duty coating "