CN114074369A - Production process of graphene fiber board - Google Patents
Production process of graphene fiber board Download PDFInfo
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- CN114074369A CN114074369A CN202010801330.6A CN202010801330A CN114074369A CN 114074369 A CN114074369 A CN 114074369A CN 202010801330 A CN202010801330 A CN 202010801330A CN 114074369 A CN114074369 A CN 114074369A
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- retardant
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 126
- 239000011094 fiberboard Substances 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 89
- 239000010410 layer Substances 0.000 claims abstract description 77
- 239000002023 wood Substances 0.000 claims abstract description 76
- 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 claims abstract description 46
- 239000003063 flame retardant Substances 0.000 claims abstract description 46
- 239000011248 coating agent Substances 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000000654 additive Substances 0.000 claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 16
- 230000001070 adhesive effect Effects 0.000 claims abstract description 16
- 229920000297 Rayon Polymers 0.000 claims abstract description 14
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 10
- 239000002025 wood fiber Substances 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000013329 compounding Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000002356 single layer Substances 0.000 claims abstract description 7
- 238000004513 sizing Methods 0.000 claims abstract description 7
- 238000010411 cooking Methods 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000012790 adhesive layer Substances 0.000 claims description 12
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 239000002052 molecular layer Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 abstract description 4
- 238000009835 boiling Methods 0.000 abstract 1
- 238000010025 steaming Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000033116 oxidation-reduction process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/08—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood fibres, e.g. produced by tearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention provides a production process of a graphene fiberboard, which comprises the following steps: peeling and slicing the log; cleaning the wood chips; steaming and boiling; carrying out hot grinding to obtain wood chip fibers; putting the dried wood chip fibers into a sizing device and applying viscose, wherein the viscose comprises a graphene-based additive; drying the glued wood chip fibers; prepressing to prepare a formed fiber plate blank; feeding the formed fiber plate blank into a hot press for hot press forming; coating graphene anticorrosive layers on the upper surface and the lower surface of the fiber plate blank; attaching a flame-retardant fiber layer on the graphene anticorrosive layer and on the upper surface of the fiber plate blank, wherein the flame-retardant fiber layer is formed by compounding wood fibers, a flame retardant and an adhesive; a nano graphene layer is pasted on the flame-retardant fiber layer, and the nano graphene layer is a single-layer nano graphene layer; cutting; stacking and preserving. The fiberboard has the advantages of simple production process, high efficiency and anticorrosion and waterproof functions.
Description
Technical Field
The invention relates to the technical field of production of fiberboards, in particular to a production process of a graphene fiberboard.
Background
Graphene as a novel nano material has good barrier property and shielding property, and simultaneously has the properties of high conductivity, high strength and the like, and the graphene material is combined with the traditional anticorrosive coating, so that the graphene modified anticorrosive coating has the advantages of good anticorrosive effect, low coating thickness, high adhesive force, light paint film weight, excellent salt spray resistance and the like, and is a good upgrading substitute variety of the traditional anticorrosive coating; the graphene has good physical barrier property on small molecules; prolonging the diffusion path of the corrosive medium: the diffusion path of the corrosive medium is prolonged, and the service life of the substrate is prolonged; meanwhile, the cost increase is far lower than the anticorrosion income brought by the addition of the graphene, so that the graphene is expected to become a good upgraded substitute variety of the traditional anticorrosion coating.
The common wood fiber board can easily absorb moisture in the environment, so that the board has the defects of deformation, reduced mechanical property and the like, and the service life is influenced. In addition, the common fiber board is easy to mildew and can not be applied to the warm and humid environment, thereby greatly limiting the application field of the fiber board. How to combine the production process of the fiberboard with the graphene to improve the corrosion resistance, the antistatic performance and the waterproof performance of the fiberboard is a problem to be solved.
Disclosure of Invention
In view of the mentioned problems, the present invention provides a production process of graphene fiber board, comprising:
1) peeling and slicing the log;
2) cleaning the wood chips, and removing impurities in the wood chips to ensure that the sand content of the cleaned wood chips is not more than 0.03-0.05%;
3) putting the cleaned wood chips into a wood chip cooking device, softening the wood chips by adopting a pressure cooking mode, wherein the cooking time is 4-6 min, and the cooking temperature is 180-190 ℃;
4) carrying out hot grinding on the softened wood chips to prepare wood chip fibers;
5) placing the dried wood chip fibers into a sizing device to apply viscose, wherein the viscose comprises graphene-based additives, and the graphene-based additives comprise: the composite material comprises, by weight, 80-120 parts of composite graphene, 5-25 parts of chlorinated polyethylene and 0.5-6 parts of titanate coupling agent;
6) drying the glued wood chip fibers to prepare glued wood chip fibers with the water content of 7-9%;
7) paving and prepressing the glued wood chip fibers to prepare a formed fiber plate blank;
8) feeding the formed fiber plate blank into a hot press for hot press forming;
9) coating graphene anticorrosive layers on the upper surface and the lower surface of the fiber plate blank;
10) attaching a flame-retardant fiber layer on the graphene anticorrosive layer and on the upper surface of the fiber plate blank, wherein the flame-retardant fiber layer is formed by compounding wood fibers, a flame retardant and an adhesive;
11) a nano graphene layer is pasted on the flame-retardant fiber layer, and the nano graphene layer is a single-layer nano graphene layer;
12) cutting the fiberboard prepared in the step 11;
13) and cooling the cut fiber board, and stacking and curing.
The preferred scheme is as follows: the graphene anticorrosive layer is specifically a graphene composite coating.
The preferred scheme is as follows: the composite graphene is formed by wrapping titanium dioxide particles outside graphene.
The preferred scheme is as follows: the graphene is graphene powder prepared by an oxidation-reduction method.
The preferred scheme is as follows: the flame retardant is a durable formaldehyde-free flame retardant.
The preferred scheme is as follows: an adhesive layer is arranged between the flame-retardant fiber layer and the graphene nano-layer, and the adhesive is a temperature-resistant waterproof aldehyde-free adhesive layer.
The preferred scheme is as follows: the height of the stack does not exceed 2.5 meters.
The invention has the beneficial effects that:
1. the fiberboard provided by the invention has the advantages of simple production process and high efficiency, maintains the self-stability of wood fiber, and solves the problems of the existing fiberboard that the mechanical property and the dimensional stability have defects;
2. according to the invention, the graphene anticorrosive coating is adopted for coating, the mechanical property is obviously better than that of a common anticorrosive coating, the adhesive force is improved by about 30%, the impact resistance is improved by 10%, and the anticorrosive effect of the coating can be effectively enhanced;
3. the fiber board prepared by the invention not only has antistatic performance and heat conduction performance, but also improves the strength and toughness of the fiber board, and further has antibacterial property.
Detailed Description
The present invention is described in further detail below to enable those skilled in the art to practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The technical solutions in the present disclosure will be clearly and completely described below. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The following detailed description of the disclosed embodiments is not intended to limit the scope of the disclosure, as claimed, but is merely representative of selected embodiments of the disclosure. Based on the embodiments of the present disclosure, those skilled in the art will not make any creative effort.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
All other embodiments obtained below are within the scope of the present disclosure.
The invention provides a production process of a graphene fiber board, which comprises the following steps:
1) peeling and slicing the log;
2) cleaning the wood chips, and removing impurities in the wood chips to ensure that the sand content of the cleaned wood chips is not more than 0.03-0.05%;
3) putting the cleaned wood chips into a wood chip cooking device, softening the wood chips by adopting a pressure cooking mode, wherein the cooking time is 4-6 min, and the cooking temperature is 180-190 ℃;
4) carrying out hot grinding on the softened wood chips to prepare wood chip fibers;
5) placing the dried wood chip fibers into a sizing device to apply viscose, wherein the viscose comprises graphene-based additives, and the graphene-based additives comprise: the composite material comprises, by weight, 80-120 parts of composite graphene, 5-25 parts of chlorinated polyethylene and 0.5-6 parts of titanate coupling agent;
6) drying the glued wood chip fibers to prepare glued wood chip fibers with the water content of 7-9%;
7) paving and prepressing the glued wood chip fibers to prepare a formed fiber plate blank;
8) feeding the formed fiber plate blank into a hot press for hot press forming;
9) coating graphene anticorrosive layers on the upper surface and the lower surface of the fiber plate blank;
10) attaching a flame-retardant fiber layer on the graphene anticorrosive layer and on the upper surface of the fiber plate blank, wherein the flame-retardant fiber layer is formed by compounding wood fibers, a flame retardant and an adhesive;
11) a nano graphene layer is pasted on the flame-retardant fiber layer, and the nano graphene layer is a single-layer nano graphene layer;
12) cutting the fiberboard prepared in the step 11;
13) and cooling the cut fiber board, and stacking and curing.
The preferable scheme is that the graphene anticorrosive layer is specifically a graphene composite coating.
Preferably, the composite graphene is formed by wrapping titanium dioxide particles outside graphene.
Preferably, the graphene is graphene powder prepared by an oxidation-reduction method.
Preferably, the flame retardant is a durable formaldehyde-free flame retardant.
The preferable scheme is that an adhesive layer is arranged between the flame-retardant fiber layer and the graphene nano-layer, and the adhesive is a temperature-resistant waterproof aldehyde-free adhesive layer.
Preferably, the height of the stack does not exceed 2.5 meters.
The fiberboard provided by the invention has the advantages of simple production process and high efficiency, maintains the self-stability of wood fiber, and solves the problems of the existing fiberboard that the mechanical property and the dimensional stability have defects; according to the invention, the graphene anticorrosive coating is adopted for coating, the mechanical property is obviously better than that of a common anticorrosive coating, the adhesive force is improved by about 30%, the impact resistance is improved by 10%, and the anticorrosive effect of the coating can be effectively enhanced; the fiber board prepared by the invention not only has antistatic performance and heat conduction performance, but also improves the strength and toughness of the fiber board, and further has antibacterial property.
Embodiment 1, this embodiment provides a production process of a graphene fiber board, including:
1) peeling and slicing the log;
2) cleaning the wood chips, and removing impurities in the wood chips to ensure that the sand content of the cleaned wood chips is not more than 0.03%;
3) putting the cleaned wood chips into a wood chip cooking device, softening the wood chips by adopting a pressure cooking mode, wherein the cooking time is 4min, and the cooking temperature is 180 ℃;
4) carrying out hot grinding on the softened wood chips to prepare wood chip fibers;
5) placing the dried wood chip fibers into a sizing device to apply viscose, wherein the viscose comprises graphene-based additives, and the graphene-based additives comprise: the composite material comprises 80 parts of composite graphene, 5 parts of chlorinated polyethylene and 0.5 part of titanate coupling agent by weight, wherein the composite graphene is formed by coating titanium dioxide particles outside graphene, and the graphene is graphene powder prepared by an oxidation-reduction method;
6) drying the glued wood chip fibers to prepare the glued wood chip fibers with the water content of 7%;
7) paving and prepressing the glued wood chip fibers to prepare a formed fiber plate blank;
8) feeding the formed fiber plate blank into a hot press for hot press forming;
9) coating a graphene anticorrosive layer on the upper surface and the lower surface of the fiber plate blank, wherein the graphene anticorrosive layer is specifically a graphene composite coating;
10) attaching a flame-retardant fiber layer on the graphene anticorrosive layer and on the upper surface of the fiber plate blank, wherein the flame-retardant fiber layer is formed by compounding wood fibers, a flame retardant and an adhesive, and the flame retardant is a durable formaldehyde-free flame retardant;
11) a nano graphene layer is pasted on the flame-retardant fiber layer, the nano graphene layer is a single-layer nano graphene layer, an adhesive layer is arranged between the flame-retardant fiber layer and the nano graphene layer, and the adhesive is a temperature-resistant waterproof aldehyde-free adhesive layer;
12) cutting the fiberboard prepared in the step 11;
13) and cooling the cut fiber board, stacking and curing, wherein the stacking height is not more than 2.5 m.
Embodiment 2, this embodiment provides a production process of a graphene fiber board, including:
1) peeling and slicing the log;
2) cleaning the wood chips, and removing impurities in the wood chips to ensure that the sand content of the cleaned wood chips is not more than 0.05 percent;
3) putting the cleaned wood chips into a wood chip cooking device, softening the wood chips by adopting a pressure cooking mode, wherein the cooking time is 6min, and the cooking temperature is 190 ℃;
4) carrying out hot grinding on the softened wood chips to prepare wood chip fibers;
5) placing the dried wood chip fibers into a sizing device to apply viscose, wherein the viscose comprises graphene-based additives, and the graphene-based additives comprise: the composite graphene comprises 120 parts of composite graphene, 25 parts of chlorinated polyethylene and 6 parts of titanate coupling agent by weight, wherein the composite graphene is formed by coating titanium dioxide particles outside graphene, and the graphene is graphene powder prepared by an oxidation-reduction method;
6) drying the glued wood chip fibers to prepare the glued wood chip fibers with the water content of 9%;
7) paving and prepressing the glued wood chip fibers to prepare a formed fiber plate blank;
8) feeding the formed fiber plate blank into a hot press for hot press forming;
9) coating a graphene anticorrosive layer on the upper surface and the lower surface of the fiber plate blank, wherein the graphene anticorrosive layer is specifically a graphene composite coating;
10) attaching a flame-retardant fiber layer on the graphene anticorrosive layer and on the upper surface of the fiber plate blank, wherein the flame-retardant fiber layer is formed by compounding wood fibers, a flame retardant and an adhesive, and the flame retardant is a durable formaldehyde-free flame retardant;
11) a nano graphene layer is pasted on the flame-retardant fiber layer, the nano graphene layer is a single-layer nano graphene layer, an adhesive layer is arranged between the flame-retardant fiber layer and the nano graphene layer, and the adhesive is a temperature-resistant waterproof aldehyde-free adhesive layer;
12) cutting the fiberboard prepared in the step 11;
13) and cooling the cut fiber board, stacking and curing, wherein the stacking height is not more than 2.5 m.
Embodiment 3, this embodiment provides a production process of a graphene fiber board, including:
1) peeling and slicing the log;
2) cleaning the wood chips, and removing impurities in the wood chips to ensure that the sand content of the cleaned wood chips is not more than 0.04 percent;
3) putting the cleaned wood chips into a wood chip cooking device, softening the wood chips by adopting a pressure cooking mode, wherein the cooking time is 5min, and the cooking temperature is 185 ℃;
4) carrying out hot grinding on the softened wood chips to prepare wood chip fibers;
5) placing the dried wood chip fibers into a sizing device to apply viscose, wherein the viscose comprises graphene-based additives, and the graphene-based additives comprise: the composite graphene is prepared by coating titanium dioxide particles outside graphene, wherein the composite graphene is 100 parts by weight, the chlorinated polyethylene is 10 parts by weight, and the titanate coupling agent is 3 parts by weight;
6) drying the glued wood chip fibers to prepare the glued wood chip fibers with the water content of 8%;
7) paving and prepressing the glued wood chip fibers to prepare a formed fiber plate blank;
8) feeding the formed fiber plate blank into a hot press for hot press forming;
9) coating a graphene anticorrosive layer on the upper surface and the lower surface of the fiber plate blank, wherein the graphene anticorrosive layer is specifically a graphene composite coating;
10) attaching a flame-retardant fiber layer on the graphene anticorrosive layer and on the upper surface of the fiber plate blank, wherein the flame-retardant fiber layer is formed by compounding wood fibers, a flame retardant and an adhesive, and the flame retardant is a durable formaldehyde-free flame retardant;
11) a nano graphene layer is pasted on the flame-retardant fiber layer, the nano graphene layer is a single-layer nano graphene layer, an adhesive layer is arranged between the flame-retardant fiber layer and the nano graphene layer, and the adhesive is a temperature-resistant waterproof aldehyde-free adhesive layer;
12) cutting the fiberboard prepared in the step 11;
13) and cooling the cut fiber board, stacking and curing, wherein the stacking height is not more than 2.5 m.
Comparative example 1
Comparative example 1 is different from example 1 in that no graphene-based additive was added in step 5, no graphene anti-corrosion layer was coated in step 9, and no nanographene layer was applied in step 11.
Comparative example 2
Comparative example 2 is different from example 2 in that no graphene-based additive was added in step 5, no graphene anti-corrosion layer was coated in step 9, and no nanographene layer was applied in step 11.
Comparative example 3
Comparative example 3 is different from example 3 in that no graphene-based additive was added in step 5, no graphene anti-corrosion layer was coated in step 9, and no nanographene layer was applied in step 11.
The experimental effect data are shown in table 1:
TABLE 1
As shown in table 1, the examples of the present invention are significantly superior to the comparative examples in terms of the strength, water-proof property, mold-proof property, and antistatic property of the sheet.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (7)
1. The production process of the graphene fiber board is characterized by comprising the following steps:
1) peeling and slicing the log;
2) cleaning the wood chips, and removing impurities in the wood chips to ensure that the sand content of the cleaned wood chips is not more than 0.03-0.05%;
3) putting the cleaned wood chips into a wood chip cooking device, softening the wood chips by adopting a pressure cooking mode, wherein the cooking time is 4-6 min, and the cooking temperature is 180-190 ℃;
4) carrying out hot grinding on the softened wood chips to prepare wood chip fibers;
5) placing the dried wood chip fibers into a sizing device to apply viscose, wherein the viscose comprises graphene-based additives, and the graphene-based additives comprise: the composite material comprises, by weight, 80-120 parts of composite graphene, 5-25 parts of chlorinated polyethylene and 0.5-6 parts of titanate coupling agent;
6) drying the glued wood chip fibers to prepare glued wood chip fibers with the water content of 7-9%;
7) paving and prepressing the glued wood chip fibers to prepare a formed fiber plate blank;
8) feeding the formed fiber plate blank into a hot press for hot press forming;
9) coating graphene anticorrosive layers on the upper surface and the lower surface of the fiber plate blank;
10) attaching a flame-retardant fiber layer on the graphene anticorrosive layer and on the upper surface of the fiber plate blank, wherein the flame-retardant fiber layer is formed by compounding wood fibers, a flame retardant and an adhesive;
11) a nano graphene layer is pasted on the flame-retardant fiber layer, and the nano graphene layer is a single-layer nano graphene layer;
12) cutting the fiberboard prepared in the step 11;
13) and cooling the cut fiber board, and stacking and curing.
2. The production process of the graphene fiber board according to claim 1, wherein the graphene anticorrosive layer is specifically a graphene composite coating.
3. The graphene fiber board production process according to claim 1, wherein the composite graphene is composed of graphene-coated titanium dioxide particles.
4. The production process of the graphene fiber board according to claim 3, wherein the graphene is graphene powder prepared by a redox method.
5. The graphene fiber board production process according to claim 1, wherein the flame retardant is a durable aldehyde-free flame retardant.
6. The production process of the graphene fiber board according to claim 1, wherein an adhesive layer is arranged between the flame-retardant fiber layer and the graphene nano-layer, and the adhesive is a temperature-resistant waterproof aldehyde-free adhesive layer.
7. The process for producing graphene fiber sheets according to claim 1, wherein the height of the stack does not exceed 2.5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801330.6A CN114074369A (en) | 2020-08-11 | 2020-08-11 | Production process of graphene fiber board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010801330.6A CN114074369A (en) | 2020-08-11 | 2020-08-11 | Production process of graphene fiber board |
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| Publication Number | Publication Date |
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| CN114074369A true CN114074369A (en) | 2022-02-22 |
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| CN202010801330.6A Pending CN114074369A (en) | 2020-08-11 | 2020-08-11 | Production process of graphene fiber board |
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| CN (1) | CN114074369A (en) |
Cited By (1)
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| CN115570647A (en) * | 2022-09-30 | 2023-01-06 | 临泉县金发木业有限公司 | Automatic processing equipment for antibacterial composite wood board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115570647A (en) * | 2022-09-30 | 2023-01-06 | 临泉县金发木业有限公司 | Automatic processing equipment for antibacterial composite wood board |
| CN115570647B (en) * | 2022-09-30 | 2023-11-21 | 临泉县金发木业有限公司 | Automatic processing equipment for antibacterial composite wood board |
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