CN106455154A - Preparation technology of low-voltage olefince-carbon flexible electrothermal film - Google Patents
Preparation technology of low-voltage olefince-carbon flexible electrothermal film Download PDFInfo
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- CN106455154A CN106455154A CN201610861855.2A CN201610861855A CN106455154A CN 106455154 A CN106455154 A CN 106455154A CN 201610861855 A CN201610861855 A CN 201610861855A CN 106455154 A CN106455154 A CN 106455154A
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- film
- preparation technology
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- slurry
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
Abstract
The invention relates to a preparation technology of a low-voltage olefince-carbon flexible electrothermal film. The preparation technology comprises the steps of preparing coating slurry; coating a bottom film with the coating slurry in a secondary coating manner to obtain a base film; carrying out ageing treatment on the base film and then carrying out gumming; covering the upper surface of the base film which is subjected to ageing treatment and gummed with an upper cover, carrying out hot-pressing bonding by using a thermal compound machine to obtain an electrothermal film; and cutting the electrothermal film to expose a conductive layer which is used for connecting an external circuit. According to the preparation technology, graphene is added to the coating slurry as a medium for strengthening the conductivity and the electrothermal film with good flexibility and low resistance is obtained in a secondary coating manner.
Description
Technical field
The present invention relates to Electric radiant Heating Film preparation technology, particularly to a kind of preparation technology of low-voltage olefinic carbon flexible electrothermal membrane.
Background technology
Electric radiant Heating Film is a kind of can be mainly used in the fields such as electrothermal heating, intelligent clothing by the membrane material of heating power.
Existing Electric radiant Heating Film generally requires the high voltage drive of 220V, once electric leakage easily causes potential safety hazard.
Similar carbon heating film is carbon epitaxial or referred to as carbon-fiber film both at home and abroad at present, and such Electric radiant Heating Film resistance is very high,
220V voltage must be used, therefore can bring the potential safety hazard of human body.The market scale of carbon epitaxial is considerable at present, but deposits
Security hidden trouble be not resolved always.With the raising of people's awareness of safety, the market of high voltage carbon trichite hotting mask
Be bound to gradually atrophy, and emerging low-voltage heating film certainly will will welcome broad mass market.
The defect of existing carbon trichite hotting mask has:
1st, the voltage needed for carbon crystal electric hotting mask is high, is much higher than the safe voltage of human body, and improper use can occur safety
Hidden danger.
2nd, high-tension Electric radiant Heating Film can not be driven with power supplys such as lithium ion batteries, lead to it to use and be necessarily dependent upon city
Electricity, limits the use occasion of Electric radiant Heating Film.
3rd, the materials such as harmful binding agent are employed in carbon trichite hotting mask, easy unstability is old at high temperature for binding agent
Change, so that the carbon crystalline substance particle of Electric radiant Heating Film is loosened, have influence on service life and caloric value.
Content of the invention
It is an object of the invention to provide a kind of preparation technology of low-voltage olefinic carbon flexible electrothermal membrane, this technique is based on Graphene
High conductivity, Graphene is added in film slurry as strengthening conductive medium, obtains the equal of Graphene and carbon granule
Even dispersion, so that whole Electric radiant Heating Film is flexible more preferable, resistance is lower, is to provide condition using low-voltage.
The technical scheme realizing the object of the invention is:The present invention comprises the following steps:
A, prepare film slurry;
B, film slurry is coated on counterdie, and dried, obtain first diaphragm;
C, the surface to first diaphragm carry out radiation treatment 85min~95min;
D, by film slurry coat for the second time into radiation treatment first diaphragm upper surface, and dried, obtained
To basement membrane;
E, basement membrane is carried out ripening 23.5h~24.5h, then carry out gluing;
F, upper film is covered in the upper surface of the basement membrane carrying out ripening gluing, carries out hot pressing using thermal composite machine and glue
Close and obtain Electric radiant Heating Film;
G, by Electric radiant Heating Film pass through laser cutting or cutter cutting, expose the conductive layer for connecting external circuit.
Above-mentioned film slurry of preparing comprises the following steps:
A, by 10%~30% Graphene, 10%~30% organic binder bond, 50%~70% hard carbon powder is stirring
Mix mixing in kettle, and stirring 9.5h~10.5h is dry mixed and form mixed powder;
B, addition 30%~50% water make solvent and are made into slurry with above-mentioned mixed powder, and it is viscous to add surfactant adjustment
Degree and surface tension, stir 30.5h~40.5h;
C, stirring add water after finishing, and the amount adjusting dry is 48%~50%, thus obtaining film slurry.
By 20% Graphene in above-mentioned steps a, 20% organic binder bond, 60% hard carbon powder is mixed in stirred tank
Close, and stirring 10h is dry mixed and form mixed powder.
Above-mentioned organic binder bond is hydroxylated cellulose class binding agent.
Above-mentioned surfactant is hydrophilic surfactant active.
Above-mentioned counterdie and upper film are high-melting-point macromolecule membrane.
Above-mentioned counterdie and upper film are PET material.
The present invention has positive effect:(1) high conductivity based on Graphene for the present invention, Graphene is led as enhancing
The medium of electricity is added in film slurry, obtains the dispersed system of Graphene and carbon granule, so that film slurry tool
There is lower resistance, so that the Electric radiant Heating Film resistance eventually forming is low, be to provide condition using low-voltage;
(2) viscosity and the surface tension of slurry can be improved in the present invention by surfactant, thus it is flexible to improve it;
(3) present invention by secondary coating process so that the thickness of film slurry is improved so that its electric conductivity obtains
Further raising, thus improve heating effect;
(4) in the present invention, material volatilization can be prevented it is ensured that using effect using hydroxylated cellulose class binding agent;
(5) in the present invention the inexpensive technology of preparing of Graphene so that the preparation cost of film slurry also enables low one-tenth
This;
(6) the performance comparison such as following table of the present invention and traditional exothermic material:
Specific embodiment
(embodiment 1)
The present invention comprises the following steps:
A, prepare film slurry;
B, film slurry is coated on counterdie, and dried, obtain first diaphragm;
C, the surface to first diaphragm carry out radiation treatment 85min;
D, by film slurry coat for the second time into radiation treatment first diaphragm upper surface, and dried, obtained
To basement membrane;
E, basement membrane is carried out ripening 23.5h, then carry out gluing;
F, upper film is covered in the upper surface of the basement membrane carrying out ripening gluing, carries out hot pressing using thermal composite machine and glue
Close and obtain Electric radiant Heating Film;
G, by Electric radiant Heating Film pass through laser cutting or cutter cutting, expose the conductive layer for connecting external circuit.
Wherein, described film slurry of preparing comprises the following steps:
A, by 10% Graphene, 30% hydroxymethyl cellulose binding agent, 60% hard carbon powder mixes in stirred tank,
And stirring 10.5h formation mixed powder is dry mixed;
B, addition 30% water make solvent and are made into slurry with above-mentioned mixed powder, and add the adjustment of Tween-20 surfactant
Viscosity and surface tension, stir 40.5h;
C, stirring add water after finishing, and the amount adjusting dry is 50%, thus obtaining film slurry.
Described counterdie and upper film are PET material.
(embodiment 2)
The present invention comprises the following steps:
A, prepare film slurry;
B, film slurry is coated on counterdie, and dried, obtain first diaphragm;
C, the surface to first diaphragm carry out radiation treatment 90min;
D, by film slurry coat for the second time into radiation treatment first diaphragm upper surface, and dried, obtained
To basement membrane;
E, basement membrane is carried out ripening 24h, then carry out gluing;
F, upper film is covered in the upper surface of the basement membrane carrying out ripening gluing, carries out hot pressing using thermal composite machine and glue
Close and obtain Electric radiant Heating Film;
G, by Electric radiant Heating Film pass through laser cutting or cutter cutting, expose the conductive layer for connecting external circuit.
Wherein, described film slurry of preparing comprises the following steps:
A, by 20% Graphene, 20% hydroxymethyl cellulose binding agent, 60% hard carbon powder mixes in stirred tank,
And stirring 10h formation mixed powder is dry mixed;
B, addition 40% water make solvent and are made into slurry with above-mentioned mixed powder, and add the adjustment of Tween-20 surfactant
Viscosity and surface tension, stir 40h;
C, stirring add water after finishing, and the amount adjusting dry is 49%, thus obtaining film slurry.
Described counterdie and upper film are PET material.
(embodiment 3)
The present invention comprises the following steps:
A, prepare film slurry;
B, film slurry is coated on counterdie, and dried, obtain first diaphragm;
C, the surface to first diaphragm carry out radiation treatment 95min;
D, by film slurry coat for the second time into radiation treatment first diaphragm upper surface, and dried, obtained
To basement membrane;
E, basement membrane is carried out ripening 24.5h, then carry out gluing;
F, upper film is covered in the upper surface of the basement membrane carrying out ripening gluing, carries out hot pressing using thermal composite machine and glue
Close and obtain Electric radiant Heating Film;
G, by Electric radiant Heating Film pass through laser cutting or cutter cutting, expose the conductive layer for connecting external circuit.
Wherein, described film slurry of preparing comprises the following steps:
A, by 30% Graphene, 10% hydroxymethyl cellulose binding agent, 60% hard carbon powder mixes in stirred tank,
And stirring 10h formation mixed powder is dry mixed;
B, addition 40% water make solvent and are made into slurry with above-mentioned mixed powder, and add the adjustment of Tween-40 surfactant
Viscosity and surface tension, stir 30.5h;
C, stirring add water after finishing, and the amount adjusting dry is 48%, thus obtaining film slurry.
Described counterdie and upper film are PET material.
(embodiment 4)
The present invention comprises the following steps:
A, prepare film slurry;
B, film slurry is coated on counterdie, and dried, obtain first diaphragm;
C, the surface to first diaphragm carry out radiation treatment 85min;
D, by film slurry coat for the second time into radiation treatment first diaphragm upper surface, and dried, obtained
To basement membrane;
E, basement membrane is carried out ripening 23.5h, then carry out gluing;
F, upper film is covered in the upper surface of the basement membrane carrying out ripening gluing, carries out hot pressing using thermal composite machine and glue
Close and obtain Electric radiant Heating Film;
G, by Electric radiant Heating Film pass through laser cutting or cutter cutting, expose the conductive layer for connecting external circuit.
Wherein, described film slurry of preparing comprises the following steps:
A, by 25% Graphene, 25% hydroxymethyl cellulose binding agent, 50% hard carbon powder mixes in stirred tank,
And stirring 10h formation mixed powder is dry mixed;
B, addition 36% water make solvent and are made into slurry with above-mentioned mixed powder, and it is viscous to add carboxyethyl thiosuccinic acid adjustment
Degree and surface tension, stir 40h;
C, stirring add water after finishing, and the amount adjusting dry is 49%, thus obtaining film slurry.
Described counterdie and upper film are PET material.
(embodiment 5)
The present invention comprises the following steps:
A, prepare film slurry;
B, film slurry is coated on counterdie, and dried, obtain first diaphragm;
C, the surface to first diaphragm carry out radiation treatment 90min;
D, by film slurry coat for the second time into radiation treatment first diaphragm upper surface, and dried, obtained
To basement membrane;
E, basement membrane is carried out ripening 24h, then carry out gluing;
F, upper film is covered in the upper surface of the basement membrane carrying out ripening gluing, carries out hot pressing using thermal composite machine and glue
Close and obtain Electric radiant Heating Film;
G, by Electric radiant Heating Film pass through laser cutting or cutter cutting, expose the conductive layer for connecting external circuit.
Wherein, described film slurry of preparing comprises the following steps:
A, by 20% Graphene, 20% hydroxymethyl cellulose binding agent, 60% hard carbon powder mixes in stirred tank,
And stirring 10h formation mixed powder is dry mixed;
B, addition 40% water make solvent and are made into slurry with above-mentioned mixed powder, and add alkyl methyl APEO quaternary ammonium
Salt adjustment viscosity and surface tension, stir 40h;
C, stirring add water after finishing, and the amount adjusting dry is 49%, thus obtaining film slurry.
Described counterdie and upper film are PET material.
(embodiment 6)
The present invention comprises the following steps:
A, prepare film slurry;
B, film slurry is coated on counterdie, and dried, obtain first diaphragm;
C, the surface to first diaphragm carry out radiation treatment 90min;
D, by film slurry coat for the second time into radiation treatment first diaphragm upper surface, and dried, obtained
To basement membrane;
E, basement membrane is carried out ripening 24h, then carry out gluing;
F, upper film is covered in the upper surface of the basement membrane carrying out ripening gluing, carries out hot pressing using thermal composite machine and glue
Close and obtain Electric radiant Heating Film;
G, by Electric radiant Heating Film pass through laser cutting or cutter cutting, expose the conductive layer for connecting external circuit.
Wherein, described film slurry of preparing comprises the following steps:
A, by 13% Graphene, 17% hydroxyethyl cellulose binding agent, 70% hard carbon powder mixes in stirred tank,
And stirring 10.5h formation mixed powder is dry mixed;
B, add 50% water to do solvent and above-mentioned mixed powder to be made into slurry, and neopelex adjustment viscosity and
Surface tension, stirs 40.5h;
C, stirring add water after finishing, and the amount adjusting dry is 49%, thus obtaining film slurry.
Described counterdie and upper film are PET material.
Particular embodiments described above, has carried out detailed further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, be should be understood that the specific embodiment that the foregoing is only the present invention, be not limited to the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement done etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of preparation technology of low-voltage olefinic carbon flexible electrothermal membrane;It is characterized in that comprising the following steps:
A, prepare film slurry;
B, film slurry is coated on counterdie, and dried, obtain first diaphragm;
C, the surface to first diaphragm carry out radiation treatment 85min~95min;
D, by film slurry coat for the second time into radiation treatment first diaphragm upper surface, and dried, obtained base
Film;
E, basement membrane is carried out ripening 23.5h~24.5h, then carry out gluing;
F, upper film is covered in the upper surface of the basement membrane carrying out ripening gluing, carries out heat pressure adhesive using thermal composite machine and obtain
Obtain Electric radiant Heating Film;
G, by Electric radiant Heating Film pass through laser cutting or cutter cutting, expose the conductive layer for connecting external circuit.
2. the preparation technology of a kind of low-voltage olefinic carbon flexible electrothermal membrane according to claim 1;It is characterized in that:Described system
Standby film slurry comprises the following steps:
A, by 10%~30% Graphene, 10%~30% organic binder bond, 50%~70% hard carbon powder is in stirred tank
Middle mixing, and stirring 9.5h~10.5h formation mixed powder is dry mixed;
B, addition 30%~50% water make solvent and are made into slurry with above-mentioned mixed powder, and add surfactant, stir 30.5h
~40.5h;
C, stirring add water after finishing, and the amount adjusting dry is 48%~50%, thus obtaining film slurry.
3. low-voltage olefinic carbon flexible electrothermal membrane according to claim 2 preparation technology it is characterised in that:Described step a
Middle by 20% Graphene, 20% organic binder bond, 60% hard carbon powder mixes in stirred tank, and stirring 10h shape is dry mixed
Become mixed powder.
4. the low-voltage olefinic carbon flexible electrothermal membrane according to Claims 2 or 3 preparation technology it is characterised in that:Described have
Machine binding agent is hydroxylated cellulose class binding agent.
5. the low-voltage olefinic carbon flexible electrothermal membrane according to Claims 2 or 3 preparation technology it is characterised in that:Described table
Face activating agent is hydrophilic surfactant active.
6. low-voltage olefinic carbon flexible electrothermal membrane according to claim 4 preparation technology it is characterised in that:Live in described surface
Property agent be Tweens surfactant.
7. the low-voltage olefinic carbon flexible electrothermal membrane according to claim 1 or 2 or 3 preparation technology it is characterised in that:Described
Counterdie and upper film are high-melting-point macromolecule membrane.
8. low-voltage olefinic carbon flexible electrothermal membrane according to claim 6 preparation technology it is characterised in that:Described counterdie and
Upper film is high-melting-point macromolecule membrane.
9. low-voltage olefinic carbon flexible electrothermal membrane according to claim 7 preparation technology it is characterised in that:Described counterdie and
Upper film is PET material.
10. low-voltage olefinic carbon flexible electrothermal membrane according to claim 8 preparation technology it is characterised in that:Described counterdie
It is PET material with upper film.
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CN201610861855.2A CN106455154B (en) | 2016-09-28 | 2016-09-28 | The preparation process of low-voltage olefinic carbon flexible electrothermal membrane |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005025851A (en) * | 2003-07-01 | 2005-01-27 | Toshiba Corp | Phase change type optical recording medium |
CN104883760A (en) * | 2015-04-24 | 2015-09-02 | 冯冠平 | Low-voltage transparent electrothermal film |
CN105291535A (en) * | 2015-10-23 | 2016-02-03 | 黄山金菱新材料有限公司 | Carbon crystal composite paper preparation system |
CN105813241A (en) * | 2016-05-09 | 2016-07-27 | 苏州思创源博电子科技有限公司 | Preparation method of infrared electrothermal film |
CN105960035A (en) * | 2016-05-18 | 2016-09-21 | 深圳市卓先实业有限公司 | Self-controlled temperature electrothermal film production method and electrothermal film thereof |
-
2016
- 2016-09-28 CN CN201610861855.2A patent/CN106455154B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005025851A (en) * | 2003-07-01 | 2005-01-27 | Toshiba Corp | Phase change type optical recording medium |
CN104883760A (en) * | 2015-04-24 | 2015-09-02 | 冯冠平 | Low-voltage transparent electrothermal film |
CN105291535A (en) * | 2015-10-23 | 2016-02-03 | 黄山金菱新材料有限公司 | Carbon crystal composite paper preparation system |
CN105813241A (en) * | 2016-05-09 | 2016-07-27 | 苏州思创源博电子科技有限公司 | Preparation method of infrared electrothermal film |
CN105960035A (en) * | 2016-05-18 | 2016-09-21 | 深圳市卓先实业有限公司 | Self-controlled temperature electrothermal film production method and electrothermal film thereof |
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