CN204936360U - A kind of novel carbon fiber heating film and preparation system thereof - Google Patents
A kind of novel carbon fiber heating film and preparation system thereof Download PDFInfo
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- CN204936360U CN204936360U CN201520686161.0U CN201520686161U CN204936360U CN 204936360 U CN204936360 U CN 204936360U CN 201520686161 U CN201520686161 U CN 201520686161U CN 204936360 U CN204936360 U CN 204936360U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 148
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 148
- 238000010438 heat treatment Methods 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 117
- 238000007747 plating Methods 0.000 claims abstract description 65
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 59
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims description 11
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 4
- 238000003760 magnetic stirring Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 23
- 230000008569 process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003475 lamination Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 239000000853 adhesive Substances 0.000 description 24
- 230000001070 adhesive effect Effects 0.000 description 24
- 239000007788 liquid Substances 0.000 description 23
- 239000002002 slurry Substances 0.000 description 23
- 230000004913 activation Effects 0.000 description 20
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 18
- 238000003756 stirring Methods 0.000 description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 13
- 239000003822 epoxy resin Substances 0.000 description 13
- 229920000647 polyepoxide Polymers 0.000 description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 12
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 12
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 12
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 12
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 12
- 239000001488 sodium phosphate Substances 0.000 description 12
- 229910000162 sodium phosphate Inorganic materials 0.000 description 12
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 12
- 239000012298 atmosphere Substances 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 11
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 9
- NEBRAKHISIHNMB-UHFFFAOYSA-L disodium;benzene;sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O.C1=CC=CC=C1 NEBRAKHISIHNMB-UHFFFAOYSA-L 0.000 description 9
- 239000002270 dispersing agent Substances 0.000 description 9
- 239000001632 sodium acetate Substances 0.000 description 9
- 235000017281 sodium acetate Nutrition 0.000 description 9
- 238000005507 spraying Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- NICDRCVJGXLKSF-UHFFFAOYSA-N nitric acid;trihydrochloride Chemical compound Cl.Cl.Cl.O[N+]([O-])=O NICDRCVJGXLKSF-UHFFFAOYSA-N 0.000 description 8
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- 239000001856 Ethyl cellulose Substances 0.000 description 3
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 3
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 235000019270 ammonium chloride Nutrition 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 229920001249 ethyl cellulose Polymers 0.000 description 3
- 235000019325 ethyl cellulose Nutrition 0.000 description 3
- PJGSURHTJHJLIR-UHFFFAOYSA-N phenyl hydrogen sulfate;sodium Chemical compound [Na].OS(=O)(=O)OC1=CC=CC=C1 PJGSURHTJHJLIR-UHFFFAOYSA-N 0.000 description 3
- -1 polyoxyethylene Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
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- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- CEYULKASIQJZGP-UHFFFAOYSA-L disodium;2-(carboxymethyl)-2-hydroxybutanedioate Chemical compound [Na+].[Na+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O CEYULKASIQJZGP-UHFFFAOYSA-L 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
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- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 239000012071 phase Substances 0.000 description 1
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- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
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- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Paper (AREA)
Abstract
The utility model provides a kind of novel carbon fiber heating film and preparation system thereof.Novel carbon fiber heating film is formed by stacking from bottom to up by insulating paper layer, oxidized carbon fiber layer and nickel dam.The preparation system of novel carbon fiber heating film, comprise connect successively high temperature box furnace, mixing pit, flush coater, nickel plating pond and drying box; And be provided with agitator in described mixing pit.The utility model significantly improves the electric conductivity of carbon fiber heating film by the lamination layer structure of uniqueness, and preparation method's flow process used is simple, applied widely, suitable for mass production, and preparation system operation controllability used is strong, can continuous seepage.
Description
Technical field
The utility model relates to thermo electric material field, in particular to a kind of novel carbon fiber heating film and preparation system thereof.
Background technology
Carbon fiber poorly water-soluble in carbon fiber heating film, easily reunites, and causes its poor electric conductivity, and this has become the key factor of restriction conductive paper suitability for industrialized production.
The domestic electric conductivity normally improving carbon fiber at present for above-mentioned situation by single means, such as, surperficial liquid phase oxidation is utilized to strengthen the hydrophily of carbon fiber, thus raising electric conductivity, because the method improves the electric conductivity of carbon fiber, therefore improve limitation, be still difficult to the requirement meeting industrialization large-scale production.
In view of this, special proposition the utility model.
Utility model content
First object of the present utility model is to provide a kind of novel carbon fiber heating film, and described carbon fiber sends out heating film compared with existing product, and electric conductivity improves greatly.
Second object of the present utility model is to provide the preparation system of described novel carbon fiber heating film, described system have operation controllability strong, can the advantage such as continuous seepage.
In order to realize above-mentioned purpose of the present utility model, spy by the following technical solutions:
A kind of novel carbon fiber heating film, is formed by stacking from bottom to up by insulating paper layer, oxidized carbon fiber layer and nickel dam.
Above-mentioned carbon fiber heating film structurally possesses two key features: one is have employed oxidized carbon fiber layer, and another is the increase in nickel dam.First feature is the increase in the hydrophily of carbon fiber, and second feature sets up the stronger metal level of electric conductivity on heating film.As can be seen here, the utility model is compared traditional heating film and is structurally achieved significant improvement, and electric conductivity significantly improves.
Preferably, described nickel dam is also provided with plant fiber layer away from the one side of described oxidized carbon fiber layer, plant fiber layer can increase the plasticity and toughness of heating film, and the carbon fiber heating film bending resistance anti-folding degree of this spline structure is high, and plant fiber layer also has good bond effect simultaneously.Wherein, the thickness of described plant fiber layer is preferably 30-80 μm, and the adverse effect electrical to carbon fiber guiding is low, more preferably 30-50 μm.
The preparation system of novel carbon fiber heating film mentioned above, comprise connect successively high temperature box furnace, mixing pit, flush coater, nickel plating pond and drying box; And be provided with agitator in described mixing pit.
Each step preparing carbon fiber heating film can independently be carried out by above system, and therefore operation controllability is strong, and can continuous seepage.
Preferably, described flush coater is hydraulic diaphragm pump airless sprayer.
Such flush coater spray efficiency is high, and spraying evenly, more can accurately control flow velocity.
Preferably, also comprise ultrasonic cleaning instrument, increasing ultrasonic cleaning instrument can clean the carbon fiber layer after oxidation, removing impurity.
Preferably, described agitator is magnetic stirring apparatus, is convenient to control mixing speed.
Preferably, multiple dividing plate be parallel to each other is provided with in described nickel plating pond.In same nickel plating pond, nickel plating can be carried out to multiple heating film like this, and be independent of each other, enhance productivity.
Preferably, described dividing plate is parallel to the bottom in described nickel plating pond so that the amount of this control nickel-plating liquid, the suggestion of the width of the dividing plate arranged in addition carefully and on to taper off trend, to prevent heating film.
The preparation method of novel carbon fiber heating film mentioned above, comprises the following steps:
Steps A: carry out surface oxidation treatment to carbon fiber, obtains the carbon fiber activated;
Step B: the carbon fiber of described activation is mixed with binding agent, stirs, obtain carbon fiber slurry;
Step C: described carbon fiber slurry is sprayed on insulating paper, then at the plated surface nickel dam of described carbon fiber layer, after drying, obtain product.
The flow process of above-mentioned preparation method is oxidation-mixed slurry-spraying-nickel plating-drying, relate in flow process all belong to operation simple to operation in steps, and time processing amount is greatly, therefore this system suitable large-scale production.In addition, above-mentioned preparation method can process the heating film of different size, therefore applied widely.
Preferably, also dispersant is added when preparing described carbon fiber slurry; Add the problem that dispersant can solve carbon fiber reunion, thus improve its electric conductivity.
Preferably, described dispersant be selected from phenyl-hydrogen-sulfate sodium anionoid type surfactant, polyacrylamide, ethyl cellulose, polyoxyethylene one or more, and the weight ratio of the carbon fiber of described activation and described dispersant is 8-15:0.5-1.2, these dispersants all have excellent dispersion effect, and consumption is few, cost performance is high, compares other macromolecule dispersing agent density little simultaneously, heating film therefore can not be caused to conduct oneself with dignity excessive.
Preferably, described steps A adopts the one in following methods:
Method I: described carbon fiber is oxidized 2-4h in the air atmosphere of 150-250 DEG C; Obtain the carbon fiber activated;
Method II: be soak 30-50min in the chloroazotic acid of 2%-5% in concentration by described carbon fiber; Obtain the carbon fiber activated.
Above-mentioned two kinds of methods respectively have quality, can select one, also can both and use, are undertaken by any sequencing, both and with the content that can improve carbon fiber surface hydrophilic group.Wherein method I adopts vapour phase oxidation process, be characterized in handling safety, but the cycle is oversize.Method II adopts liquid phase oxidation, and the time is short, but have extremely strong corrosivity due to chloroazotic acid, and therefore during operation, danger is high.
Preferably, described steps A also comprises: the carbon fiber of described activation is put into acetone, stirs 20-40min at more than 100r/min, then the carbon fiber of the described activation of taking out is put into sodium hydroxide solution, at 50-55 DEG C, soak 10-20min.
After above method I, II carbon oxide fiber, have a small amount of impurity to generate, also have the middle group not becoming hydrophilic group completely to generate, now cleaning can remove impurity in acetone, soak in NaOH and not only can remove impurity, middle group can also be further oxidized to hydrophilic group.Wherein, the concentration of NaOH is advisable with 5-15%.
Preferably, described adhesive is the liquid-state epoxy resin adopting following composition to make: by weight, epoxy resin 5-15 part, precipitated calcium carbonate 3-9 part, dibutyl phthalate 0-5.24 part, ethylenediamine 0.5-1 part, curing agent.
Above-mentioned adhesive can increase the ductile strength of heating film, and wherein precipitated calcium carbonate plays filling effect, and dibutyl phthalate plays plasticizer, and ethylenediamine is quick dry agent.
Preferably, also comprise after described nickel coating He before described drying: at described nickel dam surface spraying one deck string slip.
Plant fiber layer can increase the plasticity and toughness of heating film, and the carbon fiber heating film bending resistance anti-folding degree of this spline structure is high, and plant fiber layer also has good bond effect simultaneously.Wherein, the thickness of described plant fiber layer is preferably 30-80 μm, and the adverse effect electrical to carbon fiber guiding is low, more preferably 30-50 μm.
Preferably, the method for described nickel coating adopts the one in following methods:
Method one: more than nickel plating 40min in the alkaline nickel-plating liquid of 70-85 DEG C, the formula of described alkaline nickel-plating liquid is: nickelous sulfate 15-25g/L, inferior sodium phosphate 15-25g/L, ammonium chloride 30-40g/L, natrium citricum 0-10g/L, lactic acid 0-10g/L, ammoniacal liquor, lauryl sodium sulfate 0.002-0.003g/L, and its PH is 9.2-9.6;
Method two: more than nickel plating 40min in the acidic nickel plating solution of 70-95 DEG C, the formula of described acid chemical plating nickel is: nickelous sulfate 25-35g/L, inferior sodium phosphate 20-30g/L, sodium acetate 3-8g/L, benzene sodium sulfite 0.02-0.025g/L, and its PH is 4.6-4.8.
Method one is alkaline chemical nickel-plating method, and method two is acid chemical plating nickel method, and both nickel plating effects are similar, can select according to actual conditions.
Compared with prior art, the beneficial effects of the utility model are:
(1) by repeatedly oxidation, nickel plating, even application with add the electric conductivity that multiple means such as dispersant significantly improve carbon fiber heating film.
(2) kind adding string and choose reasonable adhesive significantly improves the toughness of carbon fiber heating film.
(3) preparation method's flow process used is simple, applied widely, suitable for mass production.
(4) preparation system operation controllability used is strong, can continuous seepage.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
The structural representation of the novel carbon fiber heating film that Fig. 1 provides for embodiment 1;
The structural representation of the preparation system of the novel carbon fiber heating film that Fig. 2 provides for embodiment 11;
The structural representation in the nickel plating pond that Fig. 3 provides for embodiment 11.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present utility model is described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the utility model, and should not be considered as limiting scope of the present utility model.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturer suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, be and can buy by commercially available the conventional products obtained.
Following examples 1-10 epoxy resin used is EP01671-310.
Embodiment 1
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 4h in the air atmosphere of 150 DEG C; Obtain the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 5 parts, precipitated calcium carbonate 3 parts, dibutyl phthalate 5.24 parts, ethylenediamine 0.5 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:0.5 with binding agent, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 15g/L, inferior sodium phosphate 25g/L, ammonium chloride 40g/L, natrium citricum 10g/L, lauryl sodium sulfate 0.003g/L, be adjusted to 9.2-9.6 with ammoniacal liquor by PH;
Nickel plating: carbon fiber slurry is sprayed on insulating paper, etc. quick-drying time, put it in nickel-plating liquid, nickel plating 40min at 85 DEG C, dry afterwards.
The structure of the heating film utilizing said method to make as shown in Figure 1, is respectively from bottom to top: insulating paper layer 1, oxidized carbon fiber layer 2, nickel dam 3.
Embodiment 2
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 2h in the air atmosphere of 250 DEG C; Obtain the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 15 parts, precipitated calcium carbonate 9 parts, ethylenediamine 1 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:1 with binding agent, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 25g/L, inferior sodium phosphate 15g/L, ammonium chloride 30g/L, lactic acid 10g/L, lauryl sodium sulfate 0.002, is adjusted to 9.2-9.6 with ammoniacal liquor by PH;
Nickel plating: carbon fiber slurry is sprayed on insulating paper, etc. quick-drying time, put it in nickel-plating liquid, nickel plating 40min at 85 DEG C, dry afterwards.
Embodiment 3
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 4h in the air atmosphere of 150 DEG C; Obtain the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 5 parts, precipitated calcium carbonate 3 parts, ethylenediamine 0.5 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:1 with binding agent, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 25g/L, inferior sodium phosphate 20g/L, sodium acetate 3g/L, benzene sodium sulfite 0.02g/L, and its PH is 4.6-4.8;
Nickel plating: carbon fiber slurry is sprayed on insulating paper, etc. quick-drying time, put it in nickel-plating liquid, nickel plating 40min at 70 DEG C, dry afterwards.
Embodiment 4
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 2h in the air atmosphere of 250 DEG C; Obtain the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 15 parts, precipitated calcium carbonate 9 parts, dibutyl phthalate 5.24 parts, ethylenediamine 1 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:1 with binding agent, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 35g/L, inferior sodium phosphate 30g/L, sodium acetate 8g/L, benzene sodium sulfite 0.025g/L, and its PH is 4.6-4.8;
Nickel plating: carbon fiber slurry is sprayed on insulating paper, etc. quick-drying time, put it in nickel-plating liquid, nickel plating 40min at 95 DEG C, dry afterwards.
Embodiment 5
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 4h in the air atmosphere of 150 DEG C; Take out carbon fiber again and put into acetone, stir 40min at 150r/min, then the carbon fiber of the activation of taking-up is put into the sodium hydroxide solution of 15%, 20min is soaked at 55 DEG C, taking out carbon fiber again, is soak 50min in the chloroazotic acid of 5% in concentration, obtains the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 15 parts, precipitated calcium carbonate 9 parts, dibutyl phthalate 5.24 parts, ethylenediamine 1 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:0.5:0.03 with binding agent, polyacrylamide, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 35g/L, inferior sodium phosphate 30g/L, sodium acetate 8g/L, benzene sodium sulfite 0.025g/L, and its PH is 4.6-4.8;
Nickel plating: carbon fiber slurry be sprayed on insulating paper, during etc. quick-drying, puts it in nickel-plating liquid, nickel plating 40min at 95 DEG C;
Be coated with string: at surface spraying one deck string slip of nickel dam, thickness about 30 μm.
Embodiment 6
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 2h in the air atmosphere of 250 DEG C; Take out carbon fiber again and put into acetone, stir 20min at more than 100r/min, then the carbon fiber of the activation of taking-up is put into the sodium hydroxide solution of 5%, 10min is soaked at 50 DEG C, taking out carbon fiber again, is soak 30min in the chloroazotic acid of 2% in concentration, obtains the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 5 parts, precipitated calcium carbonate 3 parts, ethylenediamine 0.5 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:1.0:0.15 with binding agent, polyacrylamide, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 25g/L, inferior sodium phosphate 20g/L, sodium acetate 3g/L, benzene sodium sulfite 0.02g/L, and its PH is 4.6-4.8;
Nickel plating: carbon fiber slurry be sprayed on insulating paper, during etc. quick-drying, puts it in nickel-plating liquid, nickel plating 40min at 70 DEG C;
Be coated with string: at surface spraying one deck string slip of nickel dam, thickness about 80 μm.
Embodiment 7
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 4h in the air atmosphere of 150 DEG C; Take out carbon fiber again and put into acetone, stir 40min at 100r/min, then the carbon fiber of the activation of taking-up is put into the sodium hydroxide solution of 15%, 10-20min is soaked at 50 DEG C, taking out carbon fiber again, is soak 30-50min in the chloroazotic acid of 2%-5% in concentration, obtains the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 15 parts, precipitated calcium carbonate 3 parts, dibutyl phthalate 5.24 parts, ethylenediamine 0.5 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:0.5:0.033 with binding agent, phenyl-hydrogen-sulfate sodium anionoid type surfactant STEPANOL, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 25g/L, inferior sodium phosphate 30g/L, sodium acetate 3g/L, benzene sodium sulfite 0.025g/L, and its PH is 4.6-4.8;
Nickel plating: carbon fiber slurry be sprayed on insulating paper, during etc. quick-drying, puts it in nickel-plating liquid, nickel plating 40min at 95 DEG C;
Be coated with string: at surface spraying one deck string slip of nickel dam, thickness about 30 μm.
Embodiment 8
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 4h in the air atmosphere of 150 DEG C; Take out carbon fiber again and put into acetone, stir 40min at 100r/min, then the carbon fiber of the activation of taking-up is put into the sodium hydroxide solution of 15%, 20min is soaked at 55 DEG C, taking out carbon fiber again, is soak 50min in the chloroazotic acid of 5% in concentration, obtains the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 15 parts, precipitated calcium carbonate 9 parts, dibutyl phthalate 5.24 parts, ethylenediamine 1 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:1.0:0.01 with binding agent, ethyl cellulose, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 35g/L, inferior sodium phosphate 30g/L, sodium acetate 8g/L, benzene sodium sulfite 0.025g/L, and its PH is 4.6-4.8;
Nickel plating: carbon fiber slurry be sprayed on insulating paper, during etc. quick-drying, puts it in nickel-plating liquid, nickel plating 40min at 95 DEG C;
Be coated with string: at surface spraying one deck string slip of nickel dam, thickness about 30 μm.
Embodiment 9
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 4h in the air atmosphere of 150 DEG C; Take out carbon fiber again and put into acetone, stir 40min at 100r/min, then the carbon fiber of the activation of taking-up is put into the sodium hydroxide solution of 15%, 10-20min is soaked at 50 DEG C, taking out carbon fiber again, is soak 30-50min in the chloroazotic acid of 2%-5% in concentration, obtains the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 15 parts, precipitated calcium carbonate 3 parts, dibutyl phthalate 5.24 parts, ethylenediamine 0.5 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:1.0:0.08 with binding agent, polyoxyethylene AEO-9, stirs, obtain carbon fiber slurry;
According to formulated nickel-plating liquid: nickelous sulfate 25g/L, inferior sodium phosphate 30g/L, sodium acetate 3g/L, benzene sodium sulfite 0.025g/L, and its PH is 4.6-4.8;
Nickel plating: carbon fiber slurry be sprayed on insulating paper, during etc. quick-drying, puts it in nickel-plating liquid, nickel plating 40min at 95 DEG C;
Be coated with string: at surface spraying one deck string slip of nickel dam, thickness about 30 μm.
Embodiment 10
Novel carbon fiber heating film:
Activated carbon fiber: carbon fiber is oxidized 4h in the air atmosphere of 150-250 DEG C; Take out carbon fiber again and put into acetone, stir 40min at 100r/min, then the carbon fiber of the activation of taking-up is put into the sodium hydroxide solution of 15%, 10-20min is soaked at 50 DEG C, taking out carbon fiber again, is soak 30-50min in the chloroazotic acid of 2%-5% in concentration, obtains the carbon fiber activated;
Join adhesive: by weight, extracting epoxy resin 15 parts, precipitated calcium carbonate 3 parts, dibutyl phthalate 5.24 parts, ethylenediamine 0.5 part, curing agent, is uniformly mixed, obtained adhesive;
Mixing: the carbon fiber of activation is mixed with the part by weight of 1:1.0:0.03 with binding agent, dispersant, stirs, obtain carbon fiber slurry; Dispersant is made up of phenyl-hydrogen-sulfate sodium anionoid type surfactant, polyacrylamide, ethyl cellulose, polyoxyethylene equal proportion;
According to formulated nickel-plating liquid: nickelous sulfate 25g/L, inferior sodium phosphate 30g/L, sodium acetate 3g/L, benzene sodium sulfite 0.025g/L, and its PH is 4.6-4.8;
Nickel plating: carbon fiber slurry be sprayed on insulating paper, during etc. quick-drying, puts it in nickel-plating liquid, nickel plating 40min at 95 DEG C;
Be coated with string: at surface spraying one deck string slip of nickel dam, thickness about 30 μm.
Embodiment 11
A preparation system for novel carbon fiber heating film, as shown in Figure 2, comprise connect successively high temperature box furnace 4, mixing pit 5, flush coater 6, nickel plating pond 7 and drying box 8; And be provided with agitator in described mixing pit 5; Also be attached with ultrasonic cleaning instrument.
As shown in Figure 3, its inside is provided with multiple dividing plate 701 parallel to each other to the internal structure in nickel plating pond 7.
This preparation system is suitable for the heating film preparing above-described embodiment 1-4, and its operation principle is:
First at high temperature box furnace 4 activated carbon fiber, then in mixing pit 5, prepare adhesive, add carbon fiber afterwards again and mix, then with flush coater 6, the pulp spraying in mixing pit 5 is coated on insulating paper, then nickel plating in nickel plating pond 7 is transferred them to, finally dry in drying box 8.
In order to adapt to the need of production of other embodiment, in said system, liquid phase oxidation pond can also be increased, to carbon fiber liquid-phase oxidative.
Experimental example
Test the performance of the carbon fiber heating film of above-mentioned all embodiments, result shows:
1, all heating films are under the effect of 220V voltage, can good conductive remain on the temperature of 90-95 DEG C for a long time.
2, the tensile strength of all heating films improves more than 1.5 times compared with domestic like product (with reference to " carbon fiber length is on the impact of fuel cell carbon fiber paper performance ").
The tensile strength of embodiment 1-10 refers to table 1.
The tensile strength (adopting the test of HK-202A testing machine) of table 1 novel carbon fiber heating film
Although illustrate and describe the utility model with specific embodiment, however it will be appreciated that can to make when not deviating from spirit and scope of the present utility model many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged within the scope of the utility model in the following claims.
Claims (10)
1. a novel carbon fiber heating film, is characterized in that, is formed by stacking from bottom to up by insulating paper layer, oxidized carbon fiber layer and nickel dam.
2. novel carbon fiber heating film according to claim 1, is characterized in that, described nickel dam is also provided with plant fiber layer away from the one side of described oxidized carbon fiber layer.
3. novel carbon fiber heating film according to claim 2, is characterized in that, the thickness of described plant fiber layer is 30-80 μm.
4. novel carbon fiber heating film according to claim 3, is characterized in that, the thickness of described plant fiber layer is 30-50 μm.
5. the preparation system of novel carbon fiber heating film according to claim 1, is characterized in that, comprise connect successively high temperature box furnace, mixing pit, flush coater, nickel plating pond and drying box; And be provided with agitator in described mixing pit.
6. the preparation system of novel carbon fiber heating film according to claim 5, is characterized in that, described flush coater is hydraulic diaphragm pump airless sprayer.
7. the preparation system of novel carbon fiber heating film according to claim 5, is characterized in that, also comprises ultrasonic cleaning instrument.
8. the preparation system of novel carbon fiber heating film according to claim 5, is characterized in that, described agitator is magnetic stirring apparatus.
9. the preparation system of novel carbon fiber heating film according to claim 5, is characterized in that, is provided with multiple dividing plate be parallel to each other in described nickel plating pond.
10. the preparation system of novel carbon fiber heating film according to claim 9, is characterized in that, described dividing plate is parallel to the bottom in described nickel plating pond.
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| CN105082655B (en) * | 2015-09-07 | 2017-08-11 | 杭州白熊科技有限公司 | A kind of carbon fiber heating film and preparation method thereof, system |
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