CN115038200A - A kind of graphene superconducting far-infrared electric heating film and production method - Google Patents

Abstract

The invention discloses a graphene superconducting far infrared electrothermal film and a manufacturing method thereof, and relates to the technical field of electrothermal films. According to the invention, the upper end of the graphene superconducting glue with a proper amount is extruded by arranging the mold, so that the upper end of the graphene superconducting glue is formed into the graphene placing groove, meanwhile, the lower end of the graphene superconducting glue is extruded by the mold to form the intercepting metal placing groove, finally, the graphene superconducting glue is dried to be in a semi-solidified state, the graphene is placed in the graphene placing groove for relative positioning and storage, and the redundant graphene is pulled out by the scraper to achieve the effect of stabilizing the thickness of the single-layer graphene heating layer, so that the problem that the position of the graphene is changed due to vibration in the preparation process of the graphene electrothermal film is solved, and the electrothermal performance of the subsequently added graphene electrothermal film is influenced to a certain extent.

Description

A kind of graphene superconducting far-infrared electric heating film and production method

technical field

The invention relates to a far-infrared electric heating film, in particular to a graphene superconducting far-infrared electric heating film and a manufacturing method.

Background technique

The heating principle of the electric heating film is that under the action of the electric field, the carbon molecules in the heating body produce "Brownian motion", and violent friction and collision occur between the carbon molecules, and the generated heat energy is transmitted in the form of far-infrared radiation and convection. , the conversion rate of electric energy and heat energy is as high as 98%, and the effect of carbon molecules enables the surface of the system to heat up rapidly. If the electric heating film heating system is installed on the wall (ground) surface, the heat energy will be continuously and evenly transmitted to the room. In every corner, the reason why the electric heating film can rapidly heat up the space is that 100% of its electrical energy input is effectively converted into more than 66% of far-infrared radiant energy and 33% of convective heat energy. The electric heating film is used more and more frequently, and the performance requirements of the electric heating film are also getting higher and higher. At the same time, with the progress of science and technology, the electric heating film in the existing technology is all added with graphene to ensure the stable conductivity of the electric heating film, but the addition of graphite In the process of preparation, most of the graphene electrothermal films will change the position of graphene due to vibration, which in turn affects the electrothermal performance of the subsequent addition of graphene electrothermal films to a certain extent. Therefore, a graphene superconducting far-infrared electric heating film and a manufacturing method are proposed.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a kind of graphene superconducting far-infrared electrothermal film and production method, to solve the above-mentioned background technology of the graphene electrothermal film proposed in the process of preparation mostly due to vibration caused graphene position change, and then certain To a certain extent, it affects the electrothermal performance of the subsequent addition of the graphene electrothermal film.

In order to achieve the above object, the present invention provides the following technical solutions: a graphene superconducting far-infrared electric heating film and a production method, comprising a graphene heating layer, the graphene heating layer is arranged on the upper end of the adhesive layer, and the adhesive layer is The lower end is provided with an interception layer, the lower end of the interception layer is provided with an aluminum foil reflection layer, the lower end of the aluminum foil radiation layer is provided with a rubber thermal insulation layer, the upper end of the graphene heating layer is provided with an environmentally friendly polyester layer, and the upper end of the environmentally friendly polyester layer is provided. An adhesive layer is provided, and the upper end of the adhesive layer is provided with a flexible anti-scratch layer.

As a preferred technical solution of the present invention, the adhesive layer is specifically a fusion of phenolic resin and silicone resin, the interception layer is composed of interception metal strips, the adhesive layer is graphene superconducting glue, and graphite The upper end of the graphene superconducting glue is provided with a shape distribution groove of the graphene heating layer, and the shape distribution groove is the thickness of a single layer of graphene.

As a preferred technical solution of the present invention, the flexible anti-scratch layer is a flexible ABS plastic layer, and the underside of the rubber thermal insulation layer is provided with a plurality of protrusions.

As a preferred technical solution of the present invention, the thickness of the graphene heating layer is 25-30um, the thickness of the environment-friendly polyester layer is 100-110um, and the thickness of the flexible scratch-resistant layer is 120-130um.

A kind of preparation method of graphene superconducting far-infrared electric heating film:

a1. Select flexible ABS plastic to make the flexible anti-scratch layer: cut the flexible anti-scratch layer to an appropriate thickness, then clean it to remove static electricity, and then place it for later use;

a2. Select the environmentally friendly polyester layer: eliminate static electricity on the environmentally friendly polyester layer, and then use high voltage to corona the environmentally friendly polyester layer, and then dry it for later use;

a3. Select an appropriate amount of graphene superconducting glue to make an adhesive layer: extrude an appropriate amount of graphene superconducting glue on the upper end of the die, and then form a graphene placement groove on the upper end of the graphene superconducting glue, and at the same time superconduct the graphene superconducting glue. The bottom end of the conductive glue is extruded through a die to form a groove for placing the intercepting metal, and the final drying process is in a semi-solidified state;

a4. Select an appropriate amount of rubber to make a rubber thermal insulation layer: extrude the selected appropriate amount of rubber through a die with concave points at the lower end, and then cool it for later use;

a5. Select an appropriate amount of adhesive layer: obtain the polyester film by mechanical method, carry out cleaning and destaticizing treatment at the same time, and then place the polyester film for standby;

a6. Evenly spray the selected single-layer graphene powder on the upper end of the graphene superconducting glue, then scrape off the excess graphene with a scraper, and then cover the upper end of the graphene with an environmentally friendly polyester layer, and will make up the interception layer. The intercepting metal is placed in the groove at the bottom end of the graphene superconducting glue, and finally it is bonded and extruded through the first extruder;

a7. Place the selected adhesive layer on the upper end of the environmentally friendly polyester layer, and simultaneously place the selected flexible anti-scratch layer on the upper end of the adhesive layer, and place the aluminum foil reflective layer on the lower side of the interception layer, and then pass it through The second extruder performs bonding extrusion molding;

a8. Invert the semi-finished product obtained in a7 and place the rubber thermal insulation layer on the aluminum foil reflective layer, then preheat the third extruder, and then pass the semi-finished product with the rubber thermal insulation layer through the third extruder to achieve hot melt bonding Effect;

a9. Finally, cut them into their respective sizes according to the requirements, and check whether the resistance value meets the requirements. The products that do not meet the requirements are recycled and decomposed. The qualified ones can be marked with a seal, and then the graphene-based far-infrared electric heating can be obtained. membrane.

As a preferred technical solution of the present invention, the preheating temperature of the third extruder included in a8 is 270-330°C, and the first extruder and the second extruder included in a6 and a7 are both Two-roll extrusion mechanism.

As a preferred technical solution of the present invention, the graphene placement groove formed on the upper end of the graphene superconducting glue included in the a3 is a single-layer graphene thickness, and the third extruder included in the a8 is a two-roll heating extrusion pressure mechanism.

Compared with the prior art, the beneficial effects of the present invention are:

1, the present invention squeezes the upper end of a suitable amount of graphene superconducting glue by arranging the die, and then makes the upper end of the graphene superconducting glue form a graphene placement groove, and simultaneously extrudes the lower end of the graphene superconducting glue to form a shut-off metal and place it The groove, the final drying treatment is in a semi-solidified state, and the graphene is put into the graphene placement groove for relative positioning and storage, and the excess graphene is pulled out by a scraper to achieve a stable single-layer graphene heating layer thickness. In order to achieve stable energy saving and heating function in later use, it is solved that most of the graphene electrothermal films will change the position of graphene due to vibration during the preparation process, which in turn affects the subsequent addition of graphene to a certain extent. The problem of the electrothermal performance of the electrothermal film.

2. The present invention radiates far infrared rays by arranging an aluminum foil reflective layer and a rubber thermal insulation layer, and at the same time uses the rubber thermal insulation layer to isolate the influence of the temperature of the ground, and the underside of the rubber thermal insulation layer is provided with multi-point protrusions. To avoid the ground temperature affecting the heat preservation of the single-layer graphene after heating, the effect of convenient positioning is achieved, thereby solving the problem that most of the electric heating films have poor thermal insulation performance, which in turn affects the energy saving effect of the electric heating film to a certain extent.

Description of drawings

FIG. 1 is a schematic diagram of a partial cross-sectional structure of the present invention.

In the picture: 1 flexible scratch-resistant layer, 2 adhesive layer, 3 environmentally friendly polyester layer, 4 graphene heating layer, 5 adhesive layer, 6 blocking layer, 7 aluminum foil reflective layer, 8 rubber thermal insulation layer.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Fig. 1, the present invention provides a kind of technical scheme of graphene superconducting far-infrared electrothermal film and production method:

The graphene heating layer 4 is arranged on the upper end of the adhesive layer 5, and the adhesive layer 5 not only has the effect of conducting electricity, but also plays the role of bonding, and more importantly, the mold and its own plasticity are used to form the placement slot and place the unit. layer of graphene, so as to avoid the shape change or self loss caused by vibration in the later stage of graphene, thereby ensuring the yield in the production process, the lower end of the adhesive layer 5 is provided with a blocking layer 6, and the lower end of the blocking layer 6 is provided with aluminum foil reflection Layer 7, the lower end of the aluminum foil radiation layer is provided with a rubber thermal insulation layer 8, and the setting of the aluminum foil radiation layer is to ensure the function of keeping warm by radiating the infrared rays produced by graphene, and also to protect the interception metal strip included in the interception layer 6, and the graphene generates heat. The upper end of the layer 4 is provided with an environmentally friendly polyester layer 3, the upper end of the environmentally friendly polyester layer 3 is provided with an adhesive layer 2, and the upper end of the adhesive layer 2 is provided with a flexible anti-scratch layer 1, and then the upper end of the single-layer graphene is protected. The insulating layer is formed to achieve the effect of insulating protection, and can also ensure the aesthetics during the transportation of the finished product. The adhesive layer 2 is specifically a fusion of phenolic resin and silicone resin, the interception layer 6 is composed of intercepting metal strips, and the adhesive layer 5 is. Graphene superconducting glue, the upper end of the graphene superconducting glue is provided with a shape distribution groove of the graphene heating layer 4, and the shape distribution groove is the thickness of a single layer of graphene, so as to achieve the purpose of positioning the single layer of graphene, and the flexible anti-scratch layer 1 is The flexible ABS plastic layer and the underside of the rubber thermal insulation layer 8 are provided with multi-point protrusions, so as to prevent the ground temperature from affecting the heat preservation of the single-layer graphene after heating, and achieve the effect of convenient positioning and placement. The thickness of the graphene heating layer 4 The thickness of the environmental protection polyester layer 3 is 100-110um, and the thickness of the flexible anti-scratch layer 1 is 120-130um.

A kind of preparation method of graphene superconducting far-infrared electric heating film:

a1. Select flexible ABS plastic to make flexible anti-scratch layer 1: cut the flexible anti-scratch layer 1 to a suitable thickness, then clean it to remove static electricity, and then place it for later use;

a2, select the environment-friendly polyester layer 3: eliminate static electricity on the environment-friendly polyester layer 3, then use high-voltage electricity to corona the environment-friendly polyester layer 3, and then perform a drying operation on it for later use;

a3. Select an appropriate amount of graphene superconducting glue to make the adhesive layer 5: extrude an appropriate amount of graphene superconducting glue on the upper end of the die, and then form a graphene placement groove on the upper end of the graphene superconducting glue, and at the same time put the graphene The bottom end of the superconducting glue is extruded through a die to form a cut-off metal placement groove, and the final drying process is in a semi-solidified state;

a4. Select an appropriate amount of rubber to make the rubber thermal insulation layer 8: extrude the selected appropriate amount of rubber through a die with concave points at the lower end, and then cool it for later use;

a5. Select an appropriate amount of adhesive layer 2: Obtain the polyester film by mechanical method, carry out cleaning and destaticizing treatment at the same time, and then place the polyester film for standby;

a6. Evenly spray the selected single-layer graphene powder on the upper end of the graphene superconducting glue, then scrape off the excess graphene with a scraper, and then cover the upper end of the graphene with the environmentally friendly polyester layer 3, and will form an interception layer The intercepting metal of 6 is placed in the groove at the bottom end of the graphene superconducting glue, and finally it is bonded and extruded through the first extruder;

a7. Place the selected adhesive layer 2 on the upper end of the environmentally friendly polyester layer 3, and simultaneously place the selected flexible anti-scratch layer 1 on the upper end of the adhesive layer 2, and place the aluminum foil reflective layer 7 on the lower side of the interception layer 6 , and then it is bonded and extruded through the second extruder;

a8. Invert the semi-finished product obtained in a7 and place the rubber thermal insulation layer 8 on the aluminum foil reflective layer 7, then preheat the third extruder, and then pass the semi-finished product with the rubber thermal insulation layer 8 through the third extruder to heat The effect of fusion bonding;

a9. Finally, cut them into their respective sizes according to the requirements, and check whether the resistance value meets the requirements. The products that do not meet the requirements are recycled and decomposed. The qualified ones can be marked with a seal, and then the graphene-based far-infrared electric heating can be obtained. membrane.

The preheating temperature of the third extruder is 270-330°C, and both the first extruder and the second extruder are two-roll extrusion mechanisms.

The graphene placement groove formed on the upper end of the graphene superconducting glue is a single-layer graphene thickness, and the third extruder is a two-roll heating extrusion mechanism

The specific operation mode of the present invention,

First select the material, that is, select the flexible ABS plastic to make the flexible anti-scratch layer 1: cut the flexible anti-scratch layer 1 to a suitable thickness, then clean it to remove static electricity, and then place it for standby use, and select the environmentally friendly polyester layer 3 : Eliminate static electricity for the environment-friendly polyester layer 3, then use high voltage to corona the environment-friendly polyester layer 3, then carry out the drying operation for subsequent use, and select an appropriate amount of graphene superconducting glue to make the adhesive layer 5 : Squeeze a suitable amount of graphene superconducting glue on the upper end of the die, and then form a graphene placement groove on the upper end of the graphene superconducting glue, and at the same time extrude the lower end of the graphene superconducting glue through the die to form a shut-off metal placement groove, and finally The drying process is in a semi-solidified state, and an appropriate amount of rubber is selected to make a rubber thermal insulation layer 8: The selected appropriate amount of rubber is extruded through a mold with concave points at the lower end, and then cooled for standby, and an appropriate amount of adhesive layer is selected. 2: The polyester film is obtained by mechanical method, and at the same time, the polyester film is cleaned and destaticized. After that, the polyester film is placed for use, and the selected single-layer graphene powder is evenly sprayed on the upper end of the graphene superconducting glue, and then the excess is removed by a scraper. The graphene is scraped off, then the upper end of the graphene is covered with the environmentally friendly polyester layer 3, and the interception metal that constitutes the interception layer 6 is placed in the groove of the lower end of the graphene superconducting glue, and finally it is passed through the first extruder. Adhesive extrusion molding, place the selected adhesive layer 2 on the upper end of the environmentally friendly polyester layer 3, and simultaneously place the selected flexible anti-scratch layer 1 on the upper end of the adhesive layer 2, and place the aluminum foil reflective layer 7 on the interception layer. 6 On the lower side, it is then bonded and extruded through the second extruder, the semi-finished product obtained in a7 is reversed and the rubber thermal insulation layer 8 is placed on the aluminum foil reflective layer 7, and then the third extruder is preheated. Heat, and then pass the semi-finished product with the rubber thermal insulation layer 8 placed through the third extruder to achieve the effect of hot melt bonding, and finally cut it into respective sizes according to the requirements, and check whether the resistance value meets the requirements. The products are recycled and decomposed, and the qualified ones can be stamped with seals, and then the graphene-based far-infrared electric heating film is obtained and used to assemble the electric heating film system.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise expressly specified and limited, for example, it may be a fixed connection, a detachable connection, or an integrated; it may be a mechanical connection or an electrical connection; it may be a direct connection or a The indirect connection through an intermediate medium may be the internal communication of two elements or the interaction relationship between the two elements. Unless otherwise clearly defined, those of ordinary skill in the art can understand the above terms in the present invention according to specific circumstances. specific meaning in .

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a graphite alkene superconductive far infrared electric heat membrane, includes graphite alkene layer (4) that generates heat, its characterized in that: graphene heating layer (4) is arranged on viscose layer (5), viscose layer (5) lower end is provided with cutoff layer (6), cutoff layer (6) lower end is provided with aluminium foil reflection layer (7), aluminium foil radiation layer lower end is provided with rubber heat preservation layer (8), graphene heating layer (4) upper end is provided with environmental protection polyester layer (3), environmental protection polyester layer (3) upper end is provided with bond line (2), bond line (2) upper end is provided with flexible scratch-proof layer (1).

2. The graphene superconducting far infrared electrothermal film according to claim 1, characterized in that: bond line (2) specifically are the integration of phenolic resin and organic silicon resin, it constitutes for the metal strip that dams to cut off flow layer (6), viscose layer (5) are graphite alkene superconductive glue, and graphite alkene superconductive glue upper end has been seted up graphite alkene and has been generated heat layer (4) shape distribution groove, and the shape distribution groove is single-deck graphite alkene thickness.

3. The graphene superconducting far infrared electrothermal film according to claim 1, characterized in that: the flexible scratch-resistant layer (1) is a flexible ABS plastic layer, and multipoint bulges are arranged on the lower side surface of the rubber heat-insulating layer (8).

4. The graphene superconducting far infrared electrothermal film according to claim 1, characterized in that: the thickness that graphite alkene generates heat layer (4) is 25 ~ 30um, the thickness on environmental protection polyester layer (3) is 100 ~ 110um, the thickness on layer (1) is prevented scraping in the flexibility is 120 ~ 130 um.

5. The manufacturing method of the graphene superconducting far infrared electrothermal film according to claim 1, characterized in that:

a1, selecting flexible ABS plastic to manufacture a flexible scratch-resistant layer (1): cutting the flexible anti-scratch layer (1) to reach a proper thickness, cleaning and destaticizing the flexible anti-scratch layer, and then placing the flexible anti-scratch layer for later use;

a2, selecting an environment-friendly polyester layer (3): the environment-friendly polyester layer (3) is subjected to static elimination, then the environment-friendly polyester layer (3) is subjected to corona by utilizing high voltage, and then is dried for later use;

a3, selecting proper amount of graphene superconducting glue to prepare an adhesive layer (5): extruding the upper end of a proper amount of graphene superconducting glue through a die, forming a graphene placing groove at the upper end of the graphene superconducting glue, extruding the lower end of the graphene superconducting glue through the die to form a closure metal placing groove, and finally drying to be in a semi-solidification state;

a4, selecting proper amount of rubber to prepare a rubber heat-preservation layer (8): extruding and molding the selected proper amount of rubber through a die with pits at the lower end, and then cooling for later use;

a5, selecting a proper amount of adhesive layer (2): obtaining a polyester film by a mechanical method, simultaneously carrying out cleaning and static electricity removing treatment, and then placing the polyester film for later use;

a6, uniformly spraying the selected single-layer graphene powder on the upper end of the graphene superconducting glue, scraping redundant graphene through a scraper, covering the upper end of the graphene with an environment-friendly polyester layer (3), placing closure metal forming a flow-stopping layer (6) into a groove at the lower end of the graphene superconducting glue, and finally carrying out bonding extrusion forming on the closure metal through a first extruder;

a7, placing the selected bonding layer (2) on the upper end of the environment-friendly polyester layer (3), synchronously placing the selected flexible scratch-resistant layer (1) on the upper end of the bonding layer (2), placing the aluminum foil reflecting layer (7) on the lower side surface of the intercepting layer (6), and then carrying out bonding extrusion molding on the aluminum foil reflecting layer through a second extruder;

a8, reversing the semi-finished product obtained in the step a7, placing a rubber heat-insulating layer (8) on the aluminum foil reflecting layer (7), preheating a third extruder, and enabling the semi-finished product with the rubber heat-insulating layer (8) to achieve the effect of hot melt adhesion through the third extruder;

a9, cutting the film into different sizes according to the requirements, detecting whether the resistance value meets the requirements, recycling and decomposing the products which do not meet the requirements, marking the qualified seal, and then obtaining the graphene-based far infrared electrothermal film.

6. The graphene superconducting far infrared electrothermal film and the manufacturing method thereof according to claim 5, wherein the graphene superconducting far infrared electrothermal film is characterized in that: the preheating temperature of the third extruder in the a8 is 270-330 ℃, and the first extruder and the second extruder in the a6 and a7 are both two-roller extruding mechanisms.

7. The graphene superconducting far infrared electrothermal film and the manufacturing method thereof according to claim 5, wherein the graphene superconducting far infrared electrothermal film is characterized in that: the utility model discloses a graphite alkene superconductive glue that includes in a3, the formation graphite alkene standing groove is the rare thickness of single-layer graphite, the third extruder that includes in a8 is two roller heating extrusion mechanisms.

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