CN203697165U - Composite plate - Google Patents
Composite plate Download PDFInfo
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- CN203697165U CN203697165U CN201420052487.3U CN201420052487U CN203697165U CN 203697165 U CN203697165 U CN 203697165U CN 201420052487 U CN201420052487 U CN 201420052487U CN 203697165 U CN203697165 U CN 203697165U
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- 239000002131 composite material Substances 0.000 title claims abstract description 84
- 239000010410 layer Substances 0.000 claims abstract description 171
- 239000012792 core layer Substances 0.000 claims abstract description 59
- 239000000835 fiber Substances 0.000 claims description 75
- 239000003292 glue Substances 0.000 claims description 51
- 229920001568 phenolic resin Polymers 0.000 claims description 44
- 239000005011 phenolic resin Substances 0.000 claims description 44
- 239000002344 surface layer Substances 0.000 claims description 40
- 239000004744 fabric Substances 0.000 claims description 37
- 229920005989 resin Polymers 0.000 claims description 32
- 239000011347 resin Substances 0.000 claims description 32
- 239000003365 glass fiber Substances 0.000 claims description 31
- 229920001187 thermosetting polymer Polymers 0.000 claims description 26
- 230000002787 reinforcement Effects 0.000 claims description 21
- 241000219000 Populus Species 0.000 claims description 19
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 17
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 16
- 235000011613 Pinus brutia Nutrition 0.000 claims description 16
- 241000018646 Pinus brutia Species 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229920002748 Basalt fiber Polymers 0.000 claims description 11
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 5
- 239000009719 polyimide resin Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 229920006387 Vinylite Polymers 0.000 claims description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 abstract description 10
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 abstract 1
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- 210000001161 mammalian embryo Anatomy 0.000 description 16
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- 239000011162 core material Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000007598 dipping method Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
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- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
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- 238000012423 maintenance Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
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- 239000011121 hardwood Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
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- 150000001875 compounds Chemical class 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
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- 244000050510 Cunninghamia lanceolata Species 0.000 description 2
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- 241000894006 Bacteria Species 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model discloses a composite plate. The composite plate comprises a face layer, a core layer and a bottom layer from top to bottom in sequence. The core layer comprises a middle core layer and an enhancing layer, and the upper surface and the lower surface of the core layer are connected with the face layer and the bottom layer respectively through phenol aldehyde resin rubber. The manufactured composite plate can be used for container base plates, and the density, strength, elastic modulus, surface quality and other performance indexes of the composite plate all meet the industrial standards of international containers.
Description
Technical field
The utility model belongs to technical field of composite materials, relates in particular to a kind of composite board as container bottom board.
Background technology
Container bottom board is the main part of the force of container, due to its strict demand to mechanical property, it is all the multilayer composite sheet manufacture that adopts frigid zone and tropical hardwood plate or these sheet material to prepare all the time, but the growth cycle of hardwood is long, generally all need 50 years even longer, and the demand of container bottom board increases day by day.The resource exhaustion of hardwood forces us to find better alternate resources, and development of new container bottom board is our at present problem in the urgent need to address.
In patent CN1105624A, told about a kind of manufacture method of high-strength bamboo veneer board, paint is a kind of manufacture method of bamboo plywood used for bottom plate of container.First to former bamboo Divisional, classify sawed-off, by laminating machine by surf green, tabasheer, bamboo core separately, with trimmer by interior defend dazzle discrepant bamboo cane milling put down into wide, uniform thickness, etc. bamboo chip, then braiding-dry-gluing-group embryo-hot pressing of straight degree, the method program complexity, utilization rate of bamboo is low, and needed plant equipment and manpower are more.
In the patent that is CN201694572 in the patent No., adopt metallic framework and plastic floor to prepare floor structure for container, metallic framework is side by side set between the two bottom sides beam of this container, plastic floor is set between metallic framework.Because the original design of metallic framework strength ratio improves a lot, therefore, can reduce the requirement of strength to plastic floor, this plastic floor can adopt the thermoplastic of low melting point, recoverable.But metal has still accounted for very large proportion in this metallo-plastic composite floor board, in weight, do not play obvious advantage; And metallic framework is cumbersome with linking of plastic floor, be generally by rivet, increase operation, Efficiency Decreasing.
Utility model content
For the problem of prior art, the purpose of this utility model is to provide the composite board that a kind of base plate that can meet container loading requirement of strength is used, undertaken compound by fibre-reinforced composite board and common composite wood board, through the structural design of science and unique processing method, obtain a kind of composite board that meets container bottom board instructions for use, substitute the composite board for bottom board of container that the tropical broad-leaved hardwood such as traditional employing Southeast Asia clone's wood are manufactured.
To achieve these goals, the technical solution of the utility model is as follows:
The utility model provides a kind of composite board, comprises successively from top to bottom surface layer, sandwich layer and bottom, and described sandwich layer comprises center core layer and enhancement layer, and the upper and lower surface of described sandwich layer is connected with described surface layer and described bottom by phenolic resin glue respectively.
Described enhancement layer is positioned at both sides or the centre of sandwich layer.
Described surface layer or described underlayer thickness are 0.5～2mm.
The thickness in monolayer of described center core layer is 3～8mm.
Described enhancement layer is selected from one or both the mixture in one-way fiber fabric or fiber reinforcement thermosetting composite board.
When described enhancement layer is fiber reinforcement thermosetting composite board, thickness is 0.5～2mm.
Described one-way fiber fabric is selected from glass fibre unidirectional cloth, carbon fiber one-way cloth or basalt fibre unidirectional cloth, preferred glass fibers unidirectional cloth or basalt unidirectional cloth.
The number of plies of described enhancement layer is 1～4 layer.
The thickness of the one-way fiber fabric in described enhancement layer is 0.5～1.0mm, and grammes per square metre is 200～500g/m
2.
Described surface layer or described bottom are fiber reinforcement thermosetting composite board.
Described fiber reinforcement thermosetting composite board is selected from a kind of in the thermoplastic sheet (LFT or GMT) of thermoplastic sheet (SFT), long fiber reinforcement that short fiber strengthens or thermoplastic sheet (CFT) that continuous fiber strengthens or more than one.
Fiber in described fiber reinforcement thermosetting composite board is selected from one or more in continuous glass fibre, carbon fiber or basalt fibre; Preferred glass fibers or basalt fibre; More preferably glass fibre.
Thermosetting resin in described fiber reinforcement thermosetting composite board is selected from one or more in epoxy resin, phenolic resins, unsaturated polyester resin, vinylite or polyimide resin, preferably phenolic resins.
In described fiber reinforcement thermosetting composite board, the mass percent of fiber is 40～55%.
Described center core layer is core-board.
Described core-board is one or more in Liu An core-board, pine core-board, poplar core-board or fragrant fir core board; The number of plies is 3～7 layers, and thickness in monolayer is 3.0～8.0mm, water content≤8%.
Between the individual layer of described sandwich layer, arrangement mode adopts crisscross one or both mixing in arranging or longitudinally arranging.
A preparation method for above-mentioned composite board, comprises the following steps:
According to the order arrangement group embryo of surface layer, sandwich layer and bottom, coat respectively phenolic resin glue, after group embryo, carry out the compound composite board that obtains of hot pressing.
The preparation method of described surface layer or described bottom is as follows: fiber is arranged after yarn warping, carried out impregnating resin by the dipping tank that thermosetting resin is housed; Fiber after impregnating resin is pushed, make resin fully infiltrate fiber, the mass percent of fiber is 40～55%; After drying, compacting makes surface layer and bottom.
Described sandwich layer comprises center core layer and enhancement layer, and center core layer and enhancement layer are carried out to lay, is covered with phenolic resin glue between adjacent two layers, after lay is good, add in hot press through hot-forming and cold pressing after obtain sandwich layer.
Preparation method when described enhancement layer is fiber reinforcement thermosetting composite board is as follows: fiber is arranged after yarn warping, carried out impregnating resin by the dipping tank that thermosetting resin is housed; Fiber after impregnating resin is pushed, make resin fully infiltrate fiber, the mass percent of fiber is 40～55%; After drying, compacting makes surface layer and bottom.
Described center core layer is core-board, and the preparation method of core-board is as follows: timber is cut into uniform wood bundle or batten, be then dried processing, controlling moisture content is 2～8%; Then to wood bundle or batten applying glue, the group of then mating formation embryo, finally puts into press hot pressing, and temperature is at 105 ℃～160 ℃, and pressure is 1.0～30MPa, and hot pressing time is 3～30min, and the sizing of colding pressing obtains core-board.
Described glue is one or more in cyanurotriamide modified resin glue, polyurethane adhesive, isocyanate glue.
Described plank is the one in Liu An plank, pine plank, poplar plank or fragrant China fir plate.
The moisture content of described plank is 6～12%.
The glue-spread of described phenolic resin glue is 300～400g/m
2.
The compound hot pressing temperature of described hot pressing is 130～140 ℃, and pressure is 1.0～2.0MPa, pressurize, and its time is 10～15min; Then pressure is dropped to half, release completely after maintenance 4～6min, exhaust, release, or inwardly lead to cold water, release after its cool to room temperature, makes composite board.
Compared to the prior art the utility model has the advantage of:
1, the composite board that the utility model makes can be used for container bottom board, and the property indices such as its density, intensity, elastic modelling quantity and surface quality all reach trans-container industrial standard.
2, the composite board that the utility model makes, adopt the method for the interspersed unidirectional layer of cloth of fortifying fibre in sandwich layer, the upper large characteristic of hot strength of single orientation of utilizing fortifying fibre unidirectional cloth, by reasonable lay group embryo design, has strengthened container bottom board material bending property in the longitudinal direction.
3, composite board designability of the present utility model is strong, can reasonably select according to actual demand thickness and the density of surface layer and sandwich layer, to reach best economic effect.The surface layer of base plate is fibre reinforced composites; tool has good wearability, corrosion resistance, do not absorb water, easily clean, in contrast to hardwood base plate, composite board of the present utility model improves service life greatly; and exempt the operation of spraying paint in bottom surface, favourable to environmental protection.In addition, composite board is difficult for the not raw bacterium of burn into, can not have the problem of damaging by worms.
4, composite board of the present utility model has been completely free of the dependence to tropical broad-leaved hardwood and heavy caliber log for a long time, composite, fortifying fibre unidirectional cloth and the normal wood lumber etc. that adopt are all renewable resources, open up new way for container bottom board material source, promoted the sustainable development of container industry.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of composite board shown in embodiment 1.
Fig. 2 is the cross section structure schematic diagram of composite board shown in embodiment 2.
Fig. 3 is the cross section structure schematic diagram of composite board shown in embodiment 3.
Fig. 4 is the cross section structure schematic diagram of composite board shown in embodiment 4.
Wherein: 11 is surface layer, 12 is the first center core layer, and 13 is enhancement layer, and 14 is the second center core layer; 15 is bottom; 16 is sandwich layer; 21 is surface layer, and 22 is the first center core layer, and 23 is enhancement layer, and 24 is the second center core layer; 25 is bottom; 26 is sandwich layer; 31 is surface layer, and 32 is the first center core layer, and 33 is enhancement layer, and 34 is the second center core layer; 35 is bottom; 36 is sandwich layer; 41 is surface layer, and 42 is the first center core layer, and 43 is enhancement layer, and 44 is the second center core layer; 45 is bottom; 46 is sandwich layer.
The specific embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the utility model is described in further detail.
Fiber reinforcement thermosetting composite board, has that lightweight, specific strength, specific modulus are high, corrosion-resistant, resistance to water, wear-resisting wiping be good; Multiple acid, alkali are to inertia, shock resistance, breaking strain value is high; Design flexibility is good, can select suitable kinds of fibers, fiber content and fiber to be orientated to meet the requirement of concrete purposes.
Core-board is commonly called as lumber core, is to be formed by glue laminated Wood block floor in the middle of two veneers.The gross thickness of the pressure sensitive adhesive double coated allonge plate of core-board must not be less than 3mm.The corner of all kinds of core-boards is damaged, and the width in nominal breadth must not exceed 5mm, and length must not be greater than 20mm.Middle plank be by the natural plank side of high-quality after heat treatment (being that drying chamber is dried), be processed into the batten of certain specification, be spliced by plate joggling apparatus.Spliced plank two sides is each covers two-layer high-quality veneer, then makes after hot and cold press glue laminated.Water content≤8% of core-board used below.
The moisture content of plank used is 6～12% below.
Embodiment 1
As shown in Figure 1, Fig. 1 is the cross section structure schematic diagram of composite board shown in embodiment 1, and wherein fiber reinforcement thermosetting sheet material is surface layer and bottom, and the Liu An core-board that glass unidirectional cloth strengthens is sandwich layer 16.
This composite board mainly includes surface layer 11, sandwich layer 16 and bottom 15 from top to bottom, wherein upper and lower surfaces layer is the phenolic resins sheet material that continuous glass-fiber strengthens, the thickness of upper and lower surfaces layer is respectively 1.0mm and 1.0mm, sandwich layer is the Liu An core-board that glass unidirectional cloth strengthens, be made up of glass fibre unidirectional cloth (Zhenshi Group Hengshi Fiber Industry Co., Ltd.'s production) and Liu An core-board, after hot pressing, the thickness of sandwich layer is 26mm.
A kind of composite board, preparation method is as follows:
(1) preparation of surface layer 11 or bottom 15:
Continuous glass fibre is arranged after yarn warping, carried out impregnating resin by the dipping tank that phenolic resins is housed; Continuous glass fibre after impregnating resin is pushed, make resin fully infiltrate fiber, the mass percent of fiber is 40%; After drying, compacting obtains continuous glass fibre enhancing phenolic resins sheet material.
(2) first Liu An plank is cut into cuboid lath, thickness is 4mm, then these laths is carried out to artificial jigsaw, these laths keep flat successively, guarantee that joint is seamless, and all sides that join must scribble glue, glue is cyanurotriamide modified resin glue, if the rectangle of the slab of risking rule.Slab is steadily sent into hot press, after pressing plate closure, artificial jam-packed slab (fixes a long limit of slab, apply external force on another long limit), at 110 ℃-120 ℃, hot pressing 30min under pressure 25MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to plate in stickup, 8 of middle slabs), note adjacent slab to be connected and not overlapping, send into hot press, at 110 ℃-120 ℃, hot pressing 15min under pressure 20MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to paste dash board, 2 of dash board skins), send into hot press, at 110 ℃-120 ℃, hot pressing 10min under pressure 10MPa, slowly unload and be depressed into 0MPa afterwards, take out slab.After cutting, slab obtains Liu An core-board.
(3) sandwich layer 16 comprises the first center core layer 12, enhancement layer 13, the first center core layer 12, enhancement layer 13, the second center core layer 14, the first center core layer 12, the second center core layer 14, enhancement layer 13, the first center core layer 12, enhancement layer 13, the first center core layer 12 from top to bottom successively, the first center core layer 12 is longitudinal Liu An core-board, the second center core layer 14 is horizontal Liu An core-board, the first center core layer 12 has five layers, the second center core layer 14 is total two-layer, enhancement layer 13 is glass fibre unidirectional cloth, thickness is 0.5mm, and grammes per square metre is 200g/m
2, have 4 layers; Respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
According to the order arrangement group embryo of surface layer 11, sandwich layer 16 and bottom 15, respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
(4) after group embryo, carry out hot pressing, its temperature is 140 ℃, and pressure is 2.0MPa, pressurize, and its time is 15min; Again pressure is dropped to half, release completely after maintenance 6min, exhaust, release, or inwardly lead to cold water, release after its cool to room temperature, makes composite board.
This composite board, by conventional post-production, as container bottom board, can reach rift grain MOR >=85MPa, band MOR >=30MPa; Modulus of elasticity parellel to grain >=10000MPa, the physical and mechanical property of tangential elastic module >=3000MPa.
Embodiment 2
As shown in Figure 2, Fig. 2 is the cross section structure schematic diagram of composite board shown in embodiment 2, and wherein continuous fiber enhancing thermosetting sheet material is surface layer and bottom, and the pine core-board that glass unidirectional cloth strengthens is sandwich layer 26.
This composite board includes surface layer 21, sandwich layer 26 and bottom 25 from top to bottom, wherein upper and lower surfaces layer is the phenolic resins sheet material that continuous glass-fiber strengthens, the thickness of upper and lower surfaces layer is respectively 2.0mm and 2.0mm, sandwich layer is the pine core-board that glass unidirectional cloth strengthens, be made up of glass fibre unidirectional cloth (Zhenshi Group Hengshi Fiber Industry Co., Ltd.'s production) and pine core-board, after hot pressing, the thickness of sandwich layer is 24mm.
A kind of composite board, preparation method is as follows:
(1) preparation of surface layer 21 or bottom 25:
Continuous glass fibre is arranged after yarn warping, carried out impregnating resin by the dipping tank that phenolic resins is housed; Continuous glass fibre after impregnating resin is pushed, make resin fully infiltrate fiber, the mass percent of fiber is 45%; After drying, compacting obtains continuous glass fibre enhancing phenolic resins sheet material.
(2) first pine plank is cut into cuboid lath, thickness is 6mm, then these laths is carried out to artificial jigsaw, these laths keep flat successively, guarantee that joint is seamless, and all sides that join must scribble glue, glue is polyurethane adhesive, if the rectangle of the slab of risking rule.Slab is steadily sent into hot press, after pressing plate closure, artificial jam-packed slab (fixes a long limit of slab, apply external force on another long limit), at 110 ℃-120 ℃, hot pressing 30min under pressure 25MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to plate in stickup, 8 of middle slabs), note adjacent slab to be connected and not overlapping, send into hot press, at 110 ℃-120 ℃, hot pressing 15min under pressure 20MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to paste dash board, 2 of dash board skins), send into hot press, at 110 ℃-120 ℃, hot pressing 10min under pressure 10MPa, slowly unload and be depressed into 0MPa afterwards, take out slab.After cutting, slab obtains pine core-board.
(3) sandwich layer 26 comprises the first center core layer 22, the second center core layer 24, enhancement layer 23, the second center core layer 24, the second center core layer 24, enhancement layer 23, the second center core layer 24, the first center core layer 22 from top to bottom successively, the first center core layer 22 is longitudinal pine core-board, the second center core layer 24 is horizontal pine core-board, enhancement layer 23 is glass fibre unidirectional cloth, thickness is 1.0mm, and grammes per square metre is 500g/m
2, have 2 layers, be mainly placed on the both sides (concrete arrangement architecture is shown in Fig. 2) of sandwich layer; Respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
According to the order arrangement group embryo of surface layer 21, sandwich layer 26 and bottom 25, respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
(4) after group embryo, carry out hot pressing, its temperature is 130 ℃, and pressure is 1.0MPa, pressurize, and its time is 10min; Again pressure is dropped to half, release completely after maintenance 4min, exhaust, release, or inwardly lead to cold water, release after its cool to room temperature, makes composite board.
This composite board, by conventional post-production, as container bottom board, can reach rift grain MOR >=85MPa, band MOR >=30MPa; Modulus of elasticity parellel to grain >=10000MPa, the physical and mechanical property of tangential elastic module >=3000MPa.
Embodiment 3
As shown in Figure 3, Fig. 3 is the cross section structure schematic diagram of composite board shown in embodiment 3, and wherein continuous fiber enhancing thermosetting sheet material is surface layer and bottom, and the poplar core-board that glass unidirectional cloth strengthens is sandwich layer 36.
This composite board mainly includes surface layer 31, sandwich layer 36 and bottom 35 from top to bottom, wherein upper and lower surfaces layer is the phenolic resins sheet material that continuous glass-fiber strengthens, the thickness of upper and lower surfaces layer is respectively 0.5mm and 0.5mm, sandwich layer is the carefully wood of poplar that glass unidirectional cloth strengthens, be made up of glass fibre unidirectional cloth (Zhenshi Group Hengshi Fiber Industry Co., Ltd.'s production) and the thin wood of poplar, after hot pressing, the thickness of sandwich layer is 27mm.
A kind of composite board, preparation method is as follows:
(1) surface layer 31 or bottom 35 preparation:
Continuous glass fibre is arranged after yarn warping, carried out impregnating resin by the dipping tank that phenolic resins is housed; Continuous glass fibre after impregnating resin is pushed, make resin fully infiltrate fiber, the mass percent of fiber is 50%; After drying, compacting obtains continuous glass fibre enhancing phenolic resins sheet material.
(2) first poplar plank is cut into cuboid lath, thickness is 5mm, then these laths is carried out to artificial jigsaw, these laths keep flat successively, guarantee that joint is seamless, and all sides that join must scribble glue, glue is isocyanate glue, if the rectangle of the slab of risking rule.Slab is steadily sent into hot press, after pressing plate closure, artificial jam-packed slab (fixes a long limit of slab, apply external force on another long limit), at 110 ℃-120 ℃, hot pressing 30min under pressure 25MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to plate in stickup, 8 of middle slabs), note adjacent slab to be connected and not overlapping, send into hot press, at 110 ℃-120 ℃, hot pressing 15min under pressure 20MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to paste dash board, 2 of dash board skins), send into hot press, at 110 ℃-120 ℃, hot pressing 10min under pressure 10MPa, slowly unload and be depressed into 0MPa afterwards, take out slab.After cutting, slab obtains poplar core-board.
(3) sandwich layer 36 comprises the first center core layer 32, enhancement layer 33, the second center core layer 34, the second center core layer 34, enhancement layer 33, the second center core layer 34, the second center core layer 34, enhancement layer 33, the first center core layer 32 from top to bottom successively, the first center core layer 32 is longitudinal poplar core-board, the second center core layer 34 is horizontal poplar core-board, enhancement layer 33 is glass fibre unidirectional cloth, thickness is 1.0mm, and grammes per square metre is 500g/m
2, have three layers altogether, be mainly placed on centre and both sides (concrete arrangement architecture is shown in Fig. 3) of sandwich layer; Respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
According to the order arrangement group embryo of surface layer 31, sandwich layer 36 and bottom 35, respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
(4) after group embryo, carry out hot pressing, its temperature is 135 ℃, and pressure is 1.5MPa, pressurize, and its time is 12min; Again pressure is dropped to half, release completely after maintenance 5min, exhaust, release, or inwardly lead to cold water, release after its cool to room temperature, makes composite board.
This composite board, by conventional post-production, as container bottom board, can reach rift grain MOR >=85MPa, band MOR >=30MPa; Modulus of elasticity parellel to grain >=10000MPa, the physical and mechanical property of tangential elastic module >=3000MPa.
Embodiment 4
As shown in Figure 4, Fig. 4 is the cross section structure schematic diagram of composite board shown in embodiment 4, and wherein continuous fiber enhancing thermosetting sheet material is surface layer and bottom, and the fragrant fir core board that glass unidirectional cloth strengthens is sandwich layer 46.
This composite board mainly includes surface layer 41, sandwich layer 46 and bottom 45 from top to bottom, wherein upper and lower surfaces layer is the phenolic resins sheet material that continuous glass-fiber strengthens, the thickness of upper and lower surfaces layer is respectively 1.5mm and 1.5mm, sandwich layer is the carefully wood of poplar that glass unidirectional cloth strengthens, be made up of glass fibre unidirectional cloth (Zhenshi Group Hengshi Fiber Industry Co., Ltd.'s production) and fragrant fir core board, after hot pressing, the thickness of sandwich layer is 25mm.
A kind of composite board, preparation method is as follows:
(1) surface layer 41 or bottom 45 preparation:
Continuous glass fibre is arranged after yarn warping, carried out impregnating resin by the dipping tank that phenolic resins is housed; Continuous glass fibre after impregnating resin is pushed, make resin fully infiltrate fiber, the mass percent of fiber is 55%; After drying, compacting obtains continuous glass fibre enhancing phenolic resins sheet material.
(2) first fragrant China fir plank is cut into cuboid lath, thickness is 4mm, then these laths are carried out to artificial jigsaw, these laths keep flat successively, guarantee that joint is seamless, all sides that join must scribble glue, and glue is cyanurotriamide modified resin glue, if the rectangle of the slab of risking rule.Slab is steadily sent into hot press, after pressing plate closure, artificial jam-packed slab (fixes a long limit of slab, apply external force on another long limit), at 110 ℃-120 ℃, hot pressing 30min under pressure 25MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to plate in stickup, 8 of middle slabs), note adjacent slab to be connected and not overlapping, send into hot press, at 110 ℃-120 ℃, hot pressing 15min under pressure 20MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to paste dash board, 2 of dash board skins), send into hot press, at 110 ℃-120 ℃, hot pressing 10min under pressure 10MPa, slowly unload and be depressed into 0MPa afterwards, take out slab.After cutting, slab obtains fragrant fir core board.
(3) sandwich layer 46 comprises the first center core layer 42, enhancement layer 43, the second center core layer 44, enhancement layer 43, the second center core layer 44, the second center core layer 44, the second center core layer 44, enhancement layer 43, the second center core layer 44, enhancement layer 43, the first center core layer 42 from top to bottom successively, the first center core layer 42 is longitudinal fragrant fir core board, the second center core layer 44 is horizontal fragrant fir core board, enhancement layer 43 is glass fibre unidirectional cloth, thickness is 0.5mm, and grammes per square metre is 200g/m
2, have 4 layers, be mainly placed on the both sides (concrete arrangement architecture is shown in Fig. 4) of sandwich layer; Respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
According to the order arrangement group embryo of surface layer 41, sandwich layer 46 and bottom 45, respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
(4) after group embryo, carry out hot pressing, its temperature is 140 ℃, and pressure is 2.0MPa, pressurize, and its time is 15min; Again pressure is dropped to half, release completely after maintenance 4min, exhaust, release, or inwardly lead to cold water, release after its cool to room temperature, makes composite board.
This composite board, by conventional post-production, as container bottom board, can reach rift grain MOR >=85MPa, band MOR >=30MPa; Modulus of elasticity parellel to grain >=10000MPa, the physical and mechanical property of tangential elastic module >=3000MPa.
Embodiment 5
A kind of composite board comprises surface layer, sandwich layer and bottom from top to bottom successively, also comprises the enhancement layer interting in sandwich layer both sides in wherein said sandwich layer.Wherein upper and lower surfaces layer is the epoxy resin sheet material that continuous carbon fibre strengthens, the thickness of upper and lower surfaces layer is respectively 1.0mm and 1.0mm, sandwich layer is the poplar core-board that carbon fiber one-way cloth strengthens, enhancement layer is carbon fiber one-way cloth (Zhenshi Group Hengshi Fiber Industry Co., Ltd.'s production), and grammes per square metre is 200g/m
2, thickness is 0.5mm; , after hot pressing, the thickness of sandwich layer is 26mm.
A kind of composite board, preparation method is as follows:
(1) surface layer or bottom preparation:
Continuous carbon fibre is arranged after yarn warping, carried out impregnating resin by the dipping tank that epoxy resin is housed; Continuous carbon fibre after impregnating resin is pushed, make resin fully infiltrate fiber, the mass percent of fiber is 48%; After drying, compacting obtains continuous carbon fibre reinforced epoxy sheet material panel.
(2) preparation of center core layer: first poplar plank is cut into cuboid lath, thickness is 8mm, then these laths are carried out to artificial jigsaw, these laths keep flat successively, guarantee that joint is seamless, all sides that join must scribble glue, and glue is cyanurotriamide modified resin glue, if the rectangle of the slab of risking rule.Slab is steadily sent into hot press, after pressing plate closure, artificial jam-packed slab (fixes a long limit of slab, apply external force on another long limit), at 110 ℃-120 ℃, hot pressing 30min under pressure 25MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to plate in stickup, 8 of middle slabs), note adjacent slab to be connected and not overlapping, send into hot press, at 110 ℃-120 ℃, hot pressing 15min under pressure 20MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to paste dash board, 2 of dash board skins), send into hot press, at 110 ℃-120 ℃, hot pressing 10min under pressure 10MPa, slowly unload and be depressed into 0MPa afterwards, take out slab.After cutting, slab obtains poplar core-board.
(3) sandwich layer is followed successively by the poplar core-board ply of the enhancement layer of the poplar core-board ply of 1 layer of longitudinal arrangement, 1 layer of transversely arranged poplar core-board ply, 1 layer of longitudinal arrangement, 1 layer of transversely arranged poplar core-board ply, the enhancement layer of 1 layer of longitudinal arrangement, 1 layer of longitudinal arrangement from top to bottom; Respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
According to the order arrangement group embryo of surface layer, sandwich layer and bottom, respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
(4) after group embryo, carry out hot pressing compound, hot pressing temperature is 130 ℃, and pressure is 2.0MPa, pressurize, and its time is 10min; Then pressure is dropped to half, release completely after maintenance 5min, exhaust, release, or inwardly lead to cold water, release after its cool to room temperature, makes composite board.
Embodiment 6
A kind of composite board comprises surface layer, sandwich layer and bottom from top to bottom successively, also comprises the enhancement layer interting in sandwich layer both sides in wherein said sandwich layer.Wherein upper and lower surfaces layer is continuous basalt fiber enhancing polyimide resin sheet material, the thickness of upper and lower surfaces layer is respectively 2.0mm and 2.0mm, sandwich layer is the carefully wood of poplar that continuous basalt fiber unidirectional cloth strengthens, enhancement layer is basalt fibre unidirectional cloth (Zhenshi Group Hengshi Fiber Industry Co., Ltd.'s production), and grammes per square metre is 200g/m
2, thickness is 0.5mm; After hot pressing, the thickness of sandwich layer is 24mm.
A kind of composite board, preparation method is as follows:
(1) preparation of surface layer or bottom:
Continuous basalt fiber is arranged after yarn warping, carried out impregnating resin by the dipping tank that polyimide resin is housed; Continuous basalt fiber after impregnating resin is pushed, make resin fully infiltrate fiber, the mass percent of fiber is 52%; After drying, compacting obtains continuous basalt fiber enhancing polyimide resin sheet material.
(2) preparation of center core layer: first pine plank is cut into cuboid lath, thickness is 3mm, then these laths are carried out to artificial jigsaw, these laths keep flat successively, guarantee that joint is seamless, all sides that join must scribble glue, and glue is polyurethane adhesive, if the rectangle of the slab of risking rule.Slab is steadily sent into hot press, after pressing plate closure, artificial jam-packed slab (fixes a long limit of slab, apply external force on another long limit), at 110 ℃-120 ℃, hot pressing 30min under pressure 25MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to plate in stickup, 8 of middle slabs), note adjacent slab to be connected and not overlapping, send into hot press, at 110 ℃-120 ℃, hot pressing 15min under pressure 20MPa, take out central layer, (it is 1 kilogram that every slab needs glue amount to paste dash board, 2 of dash board skins), send into hot press, at 110 ℃-120 ℃, hot pressing 10min under pressure 10MPa, slowly unload and be depressed into 0MPa afterwards, take out slab.After cutting, slab obtains pine core-board.
(3) sandwich layer is followed successively by 3 layers of pine core-board ply of alternative arrangement in length and breadth from top to bottom, the pine core-board ply of 1 layer of longitudinal arrangement, the enhancement layer of 1 layer of longitudinal arrangement, the pine core-board ply of 1 layer of longitudinal arrangement, 3 layers of pine core-board ply of alternative arrangement in length and breadth; Respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
According to the order arrangement group embryo of surface layer, sandwich layer and bottom, respectively connect by phenolic resin glue between layers, the glue-spread of phenolic resins is 300g/m
2;
(4) after group embryo, carry out hot pressing compound, hot pressing temperature is 135 ℃, and pressure is 1.0MPa, pressurize, and its time is 15min; Then pressure is dropped to half, release completely after maintenance 6min, exhaust, release, or inwardly lead to cold water, release after its cool to room temperature, makes composite board.
The utility model is using the fiber reinforcement thermosetting sheet material large intensity, hardness is high as skin-material or middle bearing layer material, with core-board as core material, through being reasonably combined, the gluing technique of employing science can be made has high performance composite board, give full play to the characteristics such as fiber reinforcement thermosetting sheet material is wear-resisting, acid and alkali-resistance, waterproof, high modulus and strength, met in every respect every machinery, physical technique requirement that container bottom board is proposed.
The above-mentioned description to embodiment is can understand and apply the utility model for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the utility model is not limited to the embodiment here, and those skilled in the art are according to announcement of the present utility model, and not departing from the improvement that the utility model category makes and revise all should be within protection domain of the present utility model.
Claims (10)
1. a composite board, is characterized in that: comprise successively from top to bottom surface layer, sandwich layer and bottom, described sandwich layer comprises center core layer and enhancement layer, and the upper and lower surface of described sandwich layer is connected with described surface layer and described bottom by phenolic resin glue respectively.
2. composite board according to claim 1, is characterized in that: described enhancement layer is positioned at both sides or the centre of sandwich layer;
Or described surface layer or described underlayer thickness are 0.5～2mm;
Or the thickness in monolayer of described center core layer is 3～8mm;
Or described enhancement layer is one-way fiber fabric or fiber reinforcement thermosetting composite board.
3. composite board according to claim 2, is characterized in that: when described enhancement layer is fiber reinforcement thermosetting composite board, thickness is 0.5～2mm;
Or described one-way fiber fabric is glass fibre unidirectional cloth, carbon fiber one-way cloth or basalt fibre unidirectional cloth;
Or the number of plies of described enhancement layer is 1～4 layer;
Or the thickness of one-way fiber fabric in described enhancement layer is 0.5～1.0mm, grammes per square metre is 200～500g/m
2.
4. composite board according to claim 1, is characterized in that: described surface layer or described bottom are fiber reinforcement thermosetting composite board.
5. according to the composite board described in claim 2 or 4, it is characterized in that: described fiber reinforcement thermosetting composite board is thermoplastic sheet, the thermoplastic sheet of long fiber reinforcement or the thermoplastic sheet that continuous fiber strengthens that short fiber strengthens;
Or fiber in described fiber reinforcement thermosetting composite board is continuous glass fibre, carbon fiber or basalt fibre.
6. according to the composite board described in claim 2 or 4, it is characterized in that: the thermosetting resin in described fiber reinforcement thermosetting composite board is epoxy resin, phenolic resins, unsaturated polyester resin, vinylite or polyimide resin.
7. according to the composite board described in claim 2 or 4, it is characterized in that: in described fiber reinforcement thermosetting composite board, the mass percent of fiber is 40～55%.
8. composite board according to claim 1, is characterized in that: described center core layer is core-board.
9. composite board according to claim 8, is characterized in that: described core-board is Liu An core-board, pine core-board, poplar core-board or fragrant fir core board; The number of plies is 3～7 layers, and thickness in monolayer is 3.0～8.0mm, water content≤8%.
10. composite board according to claim 1, is characterized in that: between the individual layer of described sandwich layer, arrangement mode employing is crisscross arranges or longitudinally arrange.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052487.3U CN203697165U (en) | 2014-01-27 | 2014-01-27 | Composite plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052487.3U CN203697165U (en) | 2014-01-27 | 2014-01-27 | Composite plate |
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| CN203697165U true CN203697165U (en) | 2014-07-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802235A (en) * | 2014-01-27 | 2015-07-29 | 上海杰事杰新材料(集团)股份有限公司 | Composite board, preparation method and application thereof |
| CN114939909A (en) * | 2022-03-30 | 2022-08-26 | 福建农林大学 | Preparation process of carbon fiber reinforced wood-bamboo composite laminated timber |
-
2014
- 2014-01-27 CN CN201420052487.3U patent/CN203697165U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802235A (en) * | 2014-01-27 | 2015-07-29 | 上海杰事杰新材料(集团)股份有限公司 | Composite board, preparation method and application thereof |
| CN104802235B (en) * | 2014-01-27 | 2017-09-15 | 上海杰事杰新材料(集团)股份有限公司 | A kind of composite board, preparation method and applications |
| CN114939909A (en) * | 2022-03-30 | 2022-08-26 | 福建农林大学 | Preparation process of carbon fiber reinforced wood-bamboo composite laminated timber |
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Effective date of registration: 20160901 Address after: 239000 west side of East Ring Road, Chengdong Industrial Park, Chuzhou economic and Technological Development Zone, Chuzhou, Anhui Patentee after: CHUZHOU GEMEITE TECHNOLOGY Co.,Ltd. Address before: 201109 Minhang District North Road, Shanghai, No. 800 Patentee before: Shanghai Genius Advanced Material (Group) Co.,Ltd. |
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Denomination of utility model: Composite board and composite floor board Effective date of registration: 20191223 Granted publication date: 20140709 Pledgee: Chuzhou economic and Technological Development Corp. Pledgor: Chuzhou Gemeite Technology Co.,Ltd. Registration number: Y2019980001225 |
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