CN112339385A - Lubricating cover plate and preparation method thereof - Google Patents
Lubricating cover plate and preparation method thereof Download PDFInfo
- Publication number
- CN112339385A CN112339385A CN202011111489.1A CN202011111489A CN112339385A CN 112339385 A CN112339385 A CN 112339385A CN 202011111489 A CN202011111489 A CN 202011111489A CN 112339385 A CN112339385 A CN 112339385A
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- Prior art keywords
- phenolic resin
- parts
- lubricating
- cover plate
- mixing
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000005011 phenolic resin Substances 0.000 claims abstract description 59
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 57
- 239000011094 fiberboard Substances 0.000 claims abstract description 23
- 239000000123 paper Substances 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000003607 modifier Substances 0.000 claims abstract description 10
- 238000007731 hot pressing Methods 0.000 claims abstract description 7
- 239000005078 molybdenum compound Substances 0.000 claims abstract description 5
- 150000002752 molybdenum compounds Chemical class 0.000 claims abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 4
- 241001330002 Bambuseae Species 0.000 claims abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 4
- 239000011425 bamboo Substances 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 4
- 239000002023 wood Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 29
- 229910021389 graphene Inorganic materials 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 9
- 239000011259 mixed solution Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- GALOTNBSUVEISR-UHFFFAOYSA-N molybdenum;silicon Chemical compound [Mo]#[Si] GALOTNBSUVEISR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 229920006260 polyaryletherketone Polymers 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- AVCRYECOWDUKJB-ULKQDVFKSA-N 3alpha-Acetoxytropane Natural products O=C(OC1C[C@@H]2[N+](C)[C@H](C1)CC2)C AVCRYECOWDUKJB-ULKQDVFKSA-N 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- MDIDMOWWLBGYPG-MYJAWHEDSA-N O-acetyltropine Chemical compound C1[C@@H](OC(C)=O)C[C@H]2CC[C@@H]1N2C MDIDMOWWLBGYPG-MYJAWHEDSA-N 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- IBVAQQYNSHJXBV-UHFFFAOYSA-N adipic acid dihydrazide Chemical compound NNC(=O)CCCCC(=O)NN IBVAQQYNSHJXBV-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- SWRGUMCEJHQWEE-UHFFFAOYSA-N ethanedihydrazide Chemical compound NNC(=O)C(=O)NN SWRGUMCEJHQWEE-UHFFFAOYSA-N 0.000 claims description 3
- 229910021485 fumed silica Inorganic materials 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- -1 polyoxyethylene Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000004132 cross linking Methods 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- 239000002113 nanodiamond Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
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- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
-
- 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
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood 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
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- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
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- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
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- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/04—Layered products comprising a layer of paper or cardboard next to a particulate layer
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- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
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- 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
- B32B2255/26—Polymeric coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/028—Paper layer
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- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of lubricating cover plates and discloses a lubricating cover plate and a preparation method thereof.A lubricating glue layer is wrapped outside a DE main plate layer of the lubricating cover plate, and the main plate layer is formed by hot-pressing and superposing a plurality of layers of phenolic resin plates and artificial fiber plates; the phenolic resin plate comprises paper and phenolic resin composite layers positioned on two sides of the paper; the artificial fiberboard is at least one of high-density fiberboard, medium-density fiberboard, solid wood particle board, regenerated pulp board and bamboo fiberboard. The organic silicon containing methyl or phenyl is used as a modifier component, so that the decomposition temperature of the main body structure is increased, the crosslinking degree of the modified phenolic resin after curing is increased, and the heat resistance, the corrosion resistance and the mechanical property of the phenolic resin are obviously enhanced; the molybdenum compound material is used as a modifier component, so that the erosion resistance and the abrasion resistance of the phenolic resin material are improved, a larger friction coefficient is kept, and meanwhile, the heat resistance is higher.
Description
Technical Field
The invention belongs to the technical field of lubricating cover plates, and particularly relates to a lubricating cover plate and a preparation method thereof.
Background
At present: the phenol resin sheet is generally a resin sheet produced by using bleached wood pulp paper as a reinforcement and using a phenol resin as a resin binder. Once heated and formed, phenolic resins solidify and cannot be further molded into other products.
Graphene is used as a nano carbon material, the electron mobility of the graphene at normal temperature exceeds 15000 cm/(V.S), and the resistivity is only about 10 omega.cm, so that the graphene is the material with the minimum resistivity at present; the graphene has excellent thermal conductivity, and the thermal conductivity can reach 5300W/m.K, which is far higher than that of carbon nano tubes and diamond. The graphene has mechanical properties such as high strength, high elastic modulus, high toughness and the like, and also has excellent functional properties such as heat conduction, electric conduction, electromagnetism and the like, so that the phenolic resin-based aramid fiber reinforced composite material is endowed with functional/intelligent properties. With the substantial reduction of the price of graphene, the application of graphene in the field of composite materials undoubtedly has great application prospects.
The existing phenolic resin plate has poor heat resistance, corrosion resistance and mechanical property, and poor wear resistance.
Through the above analysis, the problems and defects of the prior art are as follows: the existing phenolic resin plate has poor heat resistance, corrosion resistance and mechanical property, and poor wear resistance.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a lubricating cover plate and a preparation method thereof.
The invention is thus achieved, a lubrication cover plate comprising:
a main board layer;
the outside parcel of mainboard layer has the lubricated glue layer, mainboard layer is formed through hot pressing stack by multilayer phenolic resin board and artificial fiber board.
Further, the phenolic resin plate comprises paper and phenolic resin composite layers positioned on two sides of the paper.
Further, the artificial fiberboard is at least one of a high-density fiberboard, a medium-density fiberboard, a solid wood particle board, a recycled pulp board and a bamboo fiberboard.
Another object of the present invention is to provide a method for preparing a lubricating cover plate, comprising the steps of:
step one, contacting phenyl trimethoxy silane, methyl trimethoxy silane, an alkaline catalyst potassium carbonate, a styrene solvent and water in proportion to react, adding a molybdenum compound into a reaction system, and stirring and mixing to obtain a silicon-molybdenum modifier; stirring and mixing the obtained silicon-molybdenum modifier and the nano montmorillonite-phenolic resin according to a proportion, and curing at the temperature of 140-160 ℃ to obtain the modified phenolic resin;
step two, carrying out organic silane modification on graphene to form graphene powder; weighing a certain weight of graphene powder, adding the graphene powder into an acetone solution in batches, and then placing the mixture into an ultrasonic instrument to carry out ultrasonic treatment on the mixed solution to prepare a suspension with uniform dispersion;
step three, mixing polyaryletherketone with epoxy resin, melting the mixture at a certain temperature to obtain a prepolymer, then smashing the prepolymer into powder by a pulverizer, and sieving the powder through a 60-mesh fine sieve; mixing the prepolymer powder and the modified phenolic resin by a stirrer to form a phenolic resin mixture, and heating the phenolic resin mixture to a softening temperature to enable the phenolic resin mixture to be in a molten flowing state;
adding the melted phenolic resin mixture into the suspension, slowly stirring by using a stirrer, and then quickly stirring until the mixture is uniformly mixed to form graphene phenolic resin composite liquid;
step five, impregnating the graphene phenolic resin composite liquid on paper, and drying to obtain phenolic resin impregnated paper;
step six, forming a main board by hot pressing the phenolic resin impregnated paper and a man-made fiberboard;
and seventhly, rolling and coating the lubricating glue on the outer side of the main board through a rolling coating process, and airing to obtain the lubricating cover plate.
Further, the weight ratio of the polyaryletherketone to the epoxy resin to the modified phenolic resin is 1:1: 8.
Further, the weight of the graphene powder in the second step is 0.3% -0.5% of the weight of the phenolic resin mixture melted in the third step.
Further, the preparation method of the nano montmorillonite-phenolic resin comprises the following steps:
(1) weighing formaldehyde, phenol and nano montmorillonite according to the weight ratio of 6:3: 4;
(2) stirring and mixing the weighed formaldehyde, phenol and nano montmorillonite for 1-1.5 h;
(3) adjusting the pH value of the reaction system to 7-8 by ammonia water, heating to 80-95 ℃ for reaction, wherein the reaction time is 1.5-2 h; then the nano montmorillonite-phenolic resin solution is prepared after decompression and dehydration.
Further, the preparation method of the lubricating glue comprises the following steps:
step one, mixing polyoxyethylene and polyvinyl alcohol in equal ratio to obtain a mixed solution, heating 100 parts of the mixed solution to 110 ℃ in 100-fold manner, preserving heat for 30-40min, sequentially adding 5-6 parts of hydrochloric acid and 12-14 parts of formaldehyde, keeping the temperature at 70-80 ℃ for 35-45min, sequentially adding 7-9 parts of caustic soda flakes and 380-fold-manner 420 parts of water, and uniformly stirring to form a first intermediate;
step two, mixing 5-7 parts of adipic dihydrazide, 23-26 parts of acrylamide and 310 parts of 290-ketone-containing water, stirring for dissolving, and standing for reacting for 20-30h to form a second intermediate;
step three, the first intermediate and the second intermediate are mixed according to the ratio of 1: and (1) uniformly mixing the components in the mass ratio to form the lubricating glue.
Further, 7-9 parts of oxalic acid dihydrazide, 4-6 parts of acetyltropine chloride, 4-6 parts of a silane coupling agent, 35-37 parts of fumed silica, 11-13 parts of glass fiber and 10-12 parts of talcum powder are added in the step two.
Further, the length of the glass fiber is 1-2 mm.
By combining all the technical schemes, the invention has the advantages and positive effects that:
the organic silicon containing methyl or phenyl is used as a modifier component, so that the decomposition temperature of the main body structure is increased, the crosslinking degree of the modified phenolic resin after curing is increased, and the heat resistance, the corrosion resistance and the mechanical property of the phenolic resin are obviously enhanced;
according to the invention, a molybdenum compound material is used as a modifier component, so that the erosion resistance and abrasion resistance of the phenolic resin material are improved, a larger friction coefficient is kept, and meanwhile, the phenolic resin material has higher heat resistance;
the manufacturing method is simple and easy to implement, and the manufactured plate has higher modulus and stronger wear resistance on the premise of keeping low density and high strength.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a lubrication cover plate provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a motherboard layer provided by an embodiment of the invention;
in the figure: 1. lubricating a glue layer; 2. a main board layer; 3. a synthetic fiberboard; 4. a phenolic resin composite layer; 5. paper.
Fig. 3 is a flow chart of the preparation of the lubricating cover plate according to the embodiment of the present invention.
FIG. 4 is a flow chart of the preparation of the nano montmorillonite-phenolic resin provided by the embodiment of the invention.
Fig. 5 is a flow chart of the preparation of the lubricating glue according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to solve the problems in the prior art, the invention provides a lubricating cover plate and a preparation method thereof, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 2, the main board layer of the present embodiment is wrapped with a lubricating glue layer, and the main board layer is formed by stacking a plurality of phenolic resin boards and artificial fiber boards through hot pressing.
Preferably, the phenolic resin plate comprises paper and phenolic resin composite layers on both sides of the paper.
Preferably, the artificial fiberboard is at least one of high-density fiberboard, medium-density fiberboard, solid wood particle board, recycled pulp board and bamboo fiberboard.
Another object of the present invention is to provide a method for preparing a lubricating cover plate, as shown in fig. 3, comprising the steps of:
s101, contacting phenyl trimethoxy silane, methyl trimethoxy silane, a basic catalyst potassium carbonate, a styrene solvent and water in proportion to react, adding a molybdenum compound into a reaction system, and stirring and mixing to obtain a silicon-molybdenum modifier; stirring and mixing the obtained silicon-molybdenum modifier and the nano montmorillonite-phenolic resin according to the proportion, and curing at the temperature of 140-160 ℃ to obtain modified phenolic resin;
s102, modifying graphene by using organic silane to form graphene powder; weighing a certain weight of graphene powder, adding the graphene powder into an acetone solution in batches, and then placing the mixture into an ultrasonic instrument to carry out ultrasonic treatment on the mixed solution to prepare a suspension with uniform dispersion;
s103, mixing polyaryletherketone with epoxy resin, melting the mixture at a certain temperature to obtain a prepolymer, pulverizing the prepolymer into powder by a pulverizer, and sieving the powder through a 60-mesh fine sieve; mixing the prepolymer powder and the modified phenolic resin by a stirrer to form a phenolic resin mixture, and heating the phenolic resin mixture to a softening temperature to enable the phenolic resin mixture to be in a molten flowing state;
s1014, adding the molten phenolic resin mixture into the suspension, slowly stirring by using a stirrer, and then quickly stirring until the mixture is uniformly mixed to form graphene phenolic resin composite liquid;
s105, impregnating the graphene phenolic resin composite liquid on paper, and drying to obtain phenolic resin impregnated paper;
s106, forming a main board by hot pressing the phenolic resin impregnated paper and the artificial fiberboard;
and S107, rolling and coating the lubricating glue on the outer side of the main board through a rolling coating process, and airing to obtain the lubricating cover plate.
In this example, the weight ratio of the polyaryletherketone, the epoxy resin, and the modified phenolic resin is 1:1: 8.
In this embodiment, the weight of the graphene powder in step S102 is 0.3% to 0.5% of the weight of the phenolic resin mixture melted in step three.
As shown in fig. 4, the preparation method of the nano montmorillonite-phenolic resin comprises the following steps:
s201, weighing formaldehyde, phenol and nano montmorillonite according to the weight ratio of 6:3: 4;
s202, stirring and mixing the weighed formaldehyde, phenol and nano montmorillonite for 1-1.5 hours;
s203, adjusting the pH value of the reaction system to 7-8 by ammonia water, heating to 80-95 ℃ for reaction, wherein the reaction time is 1.5-2 h; then the nano montmorillonite-phenolic resin solution is prepared after decompression and dehydration.
As shown in fig. 5, the preparation method of the lubricating glue comprises the following steps:
s301, mixing polyoxyethylene and polyvinyl alcohol in equal ratio to obtain a mixed solution, heating 100 parts of the mixed solution to 110 ℃ in 100-fold manner, preserving heat for 30-40min, sequentially adding 5-6 parts of hydrochloric acid and 12-14 parts of formaldehyde, keeping the temperature at 70-80 ℃ for 35-45min, sequentially adding 7-9 parts of caustic soda flakes and 380-fold-manner 420 parts of water, and uniformly stirring to form a first intermediate;
s302, mixing 5-7 parts of adipic acid dihydrazide, 23-26 parts of acrylamide and 310 parts of 290-ketone water, stirring for dissolving, and standing for reacting for 20-30h to form a second intermediate;
s303, mixing the first intermediate and the second intermediate according to the ratio of 1: and (1) uniformly mixing the components in the mass ratio to form the lubricating glue.
Preferably, 7-9 parts of oxalic acid dihydrazide, 4-6 parts of acetyltropine chloride, 4-6 parts of silane coupling agent, 35-37 parts of fumed silica, 11-13 parts of glass fiber and 10-12 parts of talcum powder are further added in the step S302.
Preferably, the glass fibers have a length of 1 to 2 mm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed herein, which is within the spirit and principle of the present invention, should be covered by the present invention.
Claims (10)
1. A lubricating cover plate, comprising:
a main board layer;
the outside parcel of mainboard layer has the lubricated glue layer, mainboard layer is formed through hot pressing stack by multilayer phenolic resin board and artificial fiber board.
2. The lubricating cover plate of claim 1, wherein the phenolic plate comprises paper and phenolic composite layers on both sides of the paper.
3. The lubrication decking of claim 1, wherein the manufactured fiberboard is at least one of high density fiberboard, medium density fiberboard, solid wood particle board, recycled pulp board, and bamboo fiberboard.
4. A method of manufacturing a lubricating cover plate according to claims 1-3, characterised in that it comprises the following steps:
step one, contacting phenyl trimethoxy silane, methyl trimethoxy silane, an alkaline catalyst potassium carbonate, a styrene solvent and water in proportion to react, adding a molybdenum compound into a reaction system, and stirring and mixing to obtain a silicon-molybdenum modifier; stirring and mixing the obtained silicon-molybdenum modifier and the nano montmorillonite-phenolic resin according to a proportion, and curing at the temperature of 140-160 ℃ to obtain the modified phenolic resin;
step two, carrying out organic silane modification on graphene to form graphene powder; weighing a certain weight of graphene powder, adding the graphene powder into an acetone solution in batches, and then placing the mixture into an ultrasonic instrument to carry out ultrasonic treatment on the mixed solution to prepare a suspension with uniform dispersion;
step three, mixing polyaryletherketone with epoxy resin, melting the mixture at a certain temperature to obtain a prepolymer, then smashing the prepolymer into powder by a pulverizer, and sieving the powder through a 60-mesh fine sieve; mixing the prepolymer powder and the modified phenolic resin by a stirrer to form a phenolic resin mixture, and heating the phenolic resin mixture to a softening temperature to enable the phenolic resin mixture to be in a molten flowing state;
adding the melted phenolic resin mixture into the suspension, slowly stirring by using a stirrer, and then quickly stirring until the mixture is uniformly mixed to form graphene phenolic resin composite liquid;
step five, impregnating the graphene phenolic resin composite liquid on paper, and drying to obtain phenolic resin impregnated paper;
step six, forming a main board by hot pressing the phenolic resin impregnated paper and a man-made fiberboard;
and seventhly, rolling and coating the lubricating glue on the outer side of the main board through a rolling coating process, and airing to obtain the lubricating cover plate.
5. The method of claim 4, wherein the weight ratio of polyaryletherketone to epoxy resin to modified phenolic resin is 1:1: 8.
6. The method of claim 4, wherein the weight of the graphene powder in step two is 0.3-0.5% of the weight of the phenolic resin mixture melted in step three.
7. The method of making a lubricating cover plate of claim 4, wherein the method of making the nano montmorillonite-phenolic resin comprises:
(1) weighing formaldehyde, phenol and nano montmorillonite according to the weight ratio of 6:3: 4;
(2) stirring and mixing the weighed formaldehyde, phenol and nano montmorillonite for 1-1.5 h;
(3) adjusting the pH value of the reaction system to 7-8 by ammonia water, heating to 80-95 ℃ for reaction, wherein the reaction time is 1.5-2 h; then the nano montmorillonite-phenolic resin solution is prepared after decompression and dehydration.
8. The method of manufacturing a lubricating cover plate of claim 4, wherein the method of manufacturing a lubricating glue comprises:
step one, mixing polyoxyethylene and polyvinyl alcohol in equal ratio to obtain a mixed solution, heating 100 parts of the mixed solution to 110 ℃ in 100-fold manner, preserving heat for 30-40min, sequentially adding 5-6 parts of hydrochloric acid and 12-14 parts of formaldehyde, keeping the temperature at 70-80 ℃ for 35-45min, sequentially adding 7-9 parts of caustic soda flakes and 380-fold-manner 420 parts of water, and uniformly stirring to form a first intermediate;
step two, mixing 5-7 parts of adipic dihydrazide, 23-26 parts of acrylamide and 310 parts of 290-ketone-containing water, stirring for dissolving, and standing for reacting for 20-30h to form a second intermediate;
step three, the first intermediate and the second intermediate are mixed according to the ratio of 1: and (1) uniformly mixing the components in the mass ratio to form the lubricating glue.
9. The method for preparing a lubricating cover plate according to claim 8, wherein 7-9 parts of oxalic acid dihydrazide, 4-6 parts of acetyltropine chloride, 4-6 parts of silane coupling agent, 35-37 parts of fumed silica, 11-13 parts of glass fiber and 10-12 parts of talcum powder are further added in the step two.
10. The method of making a lubricating cover plate of claim 9, wherein the glass fibers have a length of 1 to 2 mm.
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Application publication date: 20210209 |