CN106273696B - Fire-retardant carbon crystal heating board and preparation method thereof - Google Patents
Fire-retardant carbon crystal heating board and preparation method thereof Download PDFInfo
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- CN106273696B CN106273696B CN201610805800.XA CN201610805800A CN106273696B CN 106273696 B CN106273696 B CN 106273696B CN 201610805800 A CN201610805800 A CN 201610805800A CN 106273696 B CN106273696 B CN 106273696B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 239000013078 crystal Substances 0.000 title claims abstract description 29
- 239000003063 flame retardant Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims description 25
- 229920005989 resin Polymers 0.000 claims abstract description 37
- 239000011347 resin Substances 0.000 claims abstract description 37
- 238000007731 hot pressing Methods 0.000 claims abstract description 27
- 239000010439 graphite Substances 0.000 claims abstract description 21
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 239000010445 mica Substances 0.000 claims abstract description 13
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000001856 Ethyl cellulose Substances 0.000 claims description 6
- 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 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- XHEDLZYGAQSNTR-UHFFFAOYSA-N ethene;hexanedioic acid Chemical compound C=C.C=C.OC(=O)CCCCC(O)=O XHEDLZYGAQSNTR-UHFFFAOYSA-N 0.000 claims description 6
- 229920001249 ethyl cellulose Polymers 0.000 claims description 6
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000005476 soldering Methods 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 2
- 238000010422 painting Methods 0.000 abstract description 2
- 230000020169 heat generation Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 28
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000007581 slurry coating method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- ORVGYTXFUWTWDM-UHFFFAOYSA-N silicic acid;sodium Chemical compound [Na].O[Si](O)(O)O ORVGYTXFUWTWDM-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000012035 limiting reagent Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
-
- 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
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
- H05B3/286—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material the insulating material being an organic material, e.g. plastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of fire-retardant carbon crystal heating boards, including：1) first one end of copper bar is fixed on the front of the first resin layer and the other end extends to the outside of the first resin layer；2) then graphitic carbon slurry is painted on the front of the first resin layer to form graphite linings, and one end of copper bar is coated in graphitic carbon slurry painting；3) by the second resin layer hot pressing in obtaining battenboard in graphite linings；4) mica paper hot pressing is obtained to fire-retardant carbon crystal heating board behind the two sides of institute's core plate, natural cooling.The fire-retardant carbon crystal heating board can long-time consistent heat generation, it is high pressure resistant, heat-resist, it is safe to use.
Description
Technical field
The present invention relates to carbon crystal heating boards, and in particular, to fire-retardant carbon crystal heating board and preparation method thereof.
Background technology
Carbon crystal heating board is the addition far infrared transmission agent and temperature limiting agent etc. in microcrystal grain, with special process and preparation
Technology is made.It is adopted suitable for domestic heating, office building heating, school dormitory's office building, StoreFront heating, central heating auxiliary
Warm, chess and card room, hospital, hotel, bath center, greenhouse booth thermal insulation, warehouse heat preservation etc..
The coverboard of most of carbon crystal heating board is all epoxy resin board at present, although resin plate has fine heat resistance
Can, but the dangerous situation that temperature suddenly increases is susceptible to when carbon crystal heating board works long hours or high voltage heats, this is just
It is required that carbon crystal heating board has good high temperature resistant, flame retardant property.And mica paper not only has good insulation performance, in addition cloud
Female paper is resistant to 800 DEG C or so of high temperature, can be used as good fire proofing.
Invention content
The object of the present invention is to provide a kind of fire-retardant carbon crystal heating board, which can uniformly send out for a long time
Heat, coverboard it is heat-resist, it is safe to use.
To achieve the goals above, the present invention provides a kind of preparation methods of fire-retardant carbon crystal heating board, including：
1) first one end of copper bar is fixed on the front of the first resin layer and the other end extends to the outer of the first resin layer
Portion；
2) then graphitic carbon slurry is painted on the front of the first resin layer to form graphite linings, and one end packet of copper bar
It is overlying in graphitic carbon slurry painting；
3) by the second resin layer hot pressing in obtaining battenboard in graphite linings；
4) mica paper hot pressing is obtained to fire-retardant carbon crystal heating board behind the two sides of institute's core plate, natural cooling；
Wherein, graphitic carbon slurry is by electrically conductive graphite powder, glass powder, zinc powder, diethylene adipate, ethyl cellulose and sodium metasilicate
Allotment is made；Relative to the electrically conductive graphite powder of 100 parts by weight, the dosage of glass powder is 30-40 parts by weight, and the dosage of zinc powder is
The dosage of 20-30 parts by weight, diethylene adipate is 15-25 parts by weight, and the dosage of ethyl cellulose is 5-10 parts by weight, silicic acid
The dosage of sodium is 1-5 parts by weight.
Preferably, copper bar is to cut out copper foil by soldering iron to be prepared, and the temperature of soldering iron is 290-300 DEG C.
Preferably, the hot pressing in step 3) and step 4) is satisfied by：The temperature of hot pressing is 170-175 DEG C, hot pressing
Time is 3-4h, and the pressure of hot pressing is 13-14MPa.
Preferably, the temperature of drying is 175-180 DEG C, and the time of drying is 0.3-0.8h.
Preferably, the thickness of the first resin layer is 0.1-0.2mm.
Preferably, the thickness of the second resin layer is 0.1-0.2mm.
Preferably, the thickness of mica paper is 0.2-0.3mm.
Preferably, the thickness of graphite linings is 0.2-0.4mm.
The present invention also provides one kind being made fire-retardant carbon crystal heating board by above-mentioned preparation method.
Through the above technical solution, the present invention is compound as carbon crystal heating board by selecting mica paper and epoxy resin board
Coverboard material, first by copper bar regulation then brushing graphite linings on the first resin plate, in all fixed tree in the two sides of graphite linings
Fat plate layer.On the one hand it can play the role of insulation protection, on the other hand be that the excellent caking property of resin is utilized in order to carry
Height is made the safety of fire-retardant carbon crystal heating board while can also improve the hot pressing effect of mica paper layer, i.e., in being used as resin layer
Between adhesive layer.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of fire-retardant carbon crystal heating board.
Reference sign
1 first epoxy resin layer, 2 graphite linings
3 second epoxy resin layer, 3 mica layer
5 copper bars
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention will be described in detail by way of examples below.
Preparation example 1
The preparation of graphitic carbon slurry：By electrically conductive graphite powder, glass powder, zinc powder, diethylene adipate, ethyl cellulose and silicic acid
Sodium is 100 according to weight proportion：30：20：15：5：2 mixing preparations are made.
Preparation example 2
The preparation of graphitic carbon slurry：By electrically conductive graphite powder, glass powder, zinc powder, diethylene adipate, ethyl cellulose and silicic acid
Sodium is 100 according to weight proportion：40：30：25：10：5 mixing preparations are made.
Embodiment 1
1) first one end of copper bar 5 is fixed on the front of the first resin layer 1 (thickness 0.2mm) and the other end extends to
The outside of first resin layer 1；
2) graphitic carbon slurry is then painted on the front of first resin layer 1 to (thickness is to form graphite linings 4
0.2mm), and one end of the copper bar 5 is coated in the graphitic carbon slurry coating；
3) by the second resin layer 2 (thickness 0.1mm) in the pressure of 13MPa, hot pressing 4h at 170 DEG C, hot pressing is in graphite linings 4
On obtain battenboard；
4) mica paper 3 (thickness 0.2mm) hot pressing is obtained to fire-retardant carbon crystal behind the two sides of the battenboard, natural cooling
Heating board A1；
Wherein, graphitic carbon slurry is made by preparation example 1.
Embodiment 1
1) first one end of copper bar 5 is fixed on the front of the first resin layer 1 (thickness 0.2mm) and the other end extends to
The outside of first resin layer 1；
2) then graphitic carbon slurry is painted on the front of first resin layer 1,0.8h is dried at 175 DEG C to be formed
Graphite linings 4 (thickness 0.2mm), and one end of the copper bar 5 is coated in the graphitic carbon slurry coating；
3) by the second resin layer 2 (thickness 0.1mm) in the pressure of 13MPa, hot pressing 4h at 170 DEG C, hot pressing is in graphite linings 4
On obtain battenboard；
4) mica paper 3 (thickness 0.2mm) hot pressing is obtained to fire-retardant carbon crystal behind the two sides of the battenboard, natural cooling
Heating board A1；
Wherein, graphitic carbon slurry is made by preparation example 1.
Embodiment 2
1) first one end of copper bar 5 is fixed on the front of the first resin layer 1 (thickness 0.1mm) and the other end extends to
The outside of first resin layer 1；
2) then graphitic carbon slurry is painted on the front of first resin layer 1,0.4h is dried at 180 DEG C to be formed
Graphite linings 4 (thickness 0.4mm), and one end of the copper bar 5 is coated in the graphitic carbon slurry coating；
3) by the second resin layer 2 (thickness 0.2mm) in the pressure of 13MPa, hot pressing 4h at 170 DEG C, hot pressing is in graphite linings 4
On obtain battenboard；
4) mica paper 3 (thickness 0.3mm) hot pressing is obtained to fire-retardant carbon crystal behind the two sides of the battenboard, natural cooling
Heating board A2；
Wherein, graphitic carbon slurry is made by preparation example 2.
Embodiment 3
1) first one end of copper bar 5 is fixed on the front of the first resin layer 1 (thickness 0.2mm) and the other end extends to
The outside of first resin layer 1；
2) then graphitic carbon slurry is painted on the front of first resin layer 1,0.4h is dried at 180 DEG C to be formed
Graphite linings 4 (thickness 0.2mm), and one end of the copper bar 5 is coated in the graphitic carbon slurry coating；
3) by the second resin layer 2 (thickness 0.2mm) in the pressure of 14MPa, hot pressing 3h at 175 DEG C, hot pressing is in graphite linings 4
On obtain battenboard；
4) mica paper 3 (thickness 0.3mm) hot pressing is obtained to fire-retardant carbon crystal behind the two sides of the battenboard, natural cooling
Heating board A3；
Wherein, graphitic carbon slurry is made by preparation example 2.
Detect example 1
It is as follows by being tested for the property to fire-retardant carbon crystal heating board A1-A3 made from embodiment；
The uniformity of generating heat test：The surface extreme value temperature difference of A1-A3 is less than 5 DEG C.
Low temperature places experiment：Resistance change rates of the A1-A3 at -60 DEG C is below 4%.
High temperature places experiment：Resistance change rates of the A1-A3 at 150 DEG C DEG C is below 4%.
High pressure resistant test result：A1-A3 is 3760V, electric current 1-5mA in thermal voltage, and heating 50-60s fevers are normal, do not go out
It is now abnormal.
Power on/off is tested：Continuous power on/off 5000-5500 times, fire-retardant carbon crystal heating board does not occur exception, Thermal Cutoffs
Intact, increased resistance value is less than 3%.
Above the experimental results showed that fire-retardant carbon crystal heating board provided by the invention coefficient safe to use is high, high pressure resistant, resistance to height
Temperature, fever are stablized.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of preparation method of fire-retardant carbon crystal heating board, which is characterized in that the preparation method includes：
1) first one end of copper bar (5) is fixed on the front of the first resin layer (1) and the other end extends to first resin
The outside of layer (1)；
2) then graphitic carbon slurry is painted on the front of first resin layer (1) to form graphite linings (4), and the copper
One end of item (5) is coated in the graphitic carbon slurry；
3) by (2) hot pressing of the second resin layer in obtaining battenboard in the graphite linings (4)；
4) mica paper (3) hot pressing is obtained into fire-retardant carbon crystal heating board behind the two sides of the battenboard, natural cooling；
Wherein, the graphitic carbon slurry is by electrically conductive graphite powder, glass powder, zinc powder, diethylene adipate, ethyl cellulose and sodium metasilicate
Allotment is made；Relative to the electrically conductive graphite powder of 100 parts by weight, the dosage of the glass powder is 30-40 parts by weight, the zinc powder
Dosage is 20-30 parts by weight, and the dosage of the diethylene adipate is 15-25 parts by weight, and the dosage of the ethyl cellulose is
The dosage of 5-10 parts by weight, the sodium metasilicate is 1-5 parts by weight；The hot pressing in step 3) and step 4) is satisfied by：Hot pressing
Temperature be 170-175 DEG C, time of hot pressing is 3-4h, and the pressure of hot pressing is 13-14MPa.
2. preparation method according to claim 1, wherein the copper bar (5) is to cut out copper foil by soldering iron to be prepared,
The temperature of the soldering iron is 290-300 DEG C.
3. preparation method according to claim 1, wherein further include baking step in the step 2)：By the graphite
Carbon slurry is painted on the front of first resin layer (1) after drying to form graphite linings (4)；
The temperature of the drying is 175-180 DEG C, and the time of drying is 0.3-0.8h.
4. preparation method according to claim 3, wherein the thickness of first resin layer (1) is 0.1-0.2mm.
5. preparation method according to claim 4, wherein the thickness of second resin layer (2) is 0.1-0.2mm.
6. preparation method according to claim 5, wherein the thickness of the mica paper (3) is 0.2-0.3mm.
7. preparation method according to claim 5, wherein the thickness of the graphite linings (4) is 0.2-0.4mm.
8. a kind of fire-retardant carbon crystal heating board, which is characterized in that the fire-retardant carbon crystal heating board is by any one of claim 1-7
The preparation method is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805800.XA CN106273696B (en) | 2016-09-07 | 2016-09-07 | Fire-retardant carbon crystal heating board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805800.XA CN106273696B (en) | 2016-09-07 | 2016-09-07 | Fire-retardant carbon crystal heating board and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106273696A CN106273696A (en) | 2017-01-04 |
| CN106273696B true CN106273696B (en) | 2018-09-25 |
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| CN201610805800.XA Active CN106273696B (en) | 2016-09-07 | 2016-09-07 | Fire-retardant carbon crystal heating board and preparation method thereof |
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| CN107071935A (en) * | 2017-06-13 | 2017-08-18 | 芜湖桑乐金电子科技有限公司 | Infrared hot plate and preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201766722U (en) * | 2010-06-21 | 2011-03-16 | 杭州暖洋洋科技有限公司 | Carbon crystal heating sheet |
| CN202150955U (en) * | 2011-07-28 | 2012-02-22 | 石伟 | Nano-carbon crystal far-infrared mica electric hot plate |
| CN202979321U (en) * | 2012-11-05 | 2013-06-05 | 杭州暖洋洋科技有限公司 | Novel carbon crystal heating plate |
| CN105702384A (en) * | 2016-03-24 | 2016-06-22 | 广州市尤特新材料有限公司 | Sintered high-heating paste and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0311581A (en) * | 1989-06-08 | 1991-01-18 | Matsushita Electric Ind Co Ltd | Temperature self-controlling heat generator |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201766722U (en) * | 2010-06-21 | 2011-03-16 | 杭州暖洋洋科技有限公司 | Carbon crystal heating sheet |
| CN202150955U (en) * | 2011-07-28 | 2012-02-22 | 石伟 | Nano-carbon crystal far-infrared mica electric hot plate |
| CN202979321U (en) * | 2012-11-05 | 2013-06-05 | 杭州暖洋洋科技有限公司 | Novel carbon crystal heating plate |
| CN105702384A (en) * | 2016-03-24 | 2016-06-22 | 广州市尤特新材料有限公司 | Sintered high-heating paste and preparation method thereof |
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