CN104802231B - One kind enhancing container bottom board and preparation method thereof - Google Patents
One kind enhancing container bottom board and preparation method thereof Download PDFInfo
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- CN104802231B CN104802231B CN201410040554.4A CN201410040554A CN104802231B CN 104802231 B CN104802231 B CN 104802231B CN 201410040554 A CN201410040554 A CN 201410040554A CN 104802231 B CN104802231 B CN 104802231B
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- 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
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
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- 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
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
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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
- 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
- B32B21/08—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 synthetic resin
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Laminated Bodies (AREA)
Abstract
Strengthen container bottom board the invention discloses one kind, include surface layer, sandwich layer, center core layer, sandwich layer and surface layer successively from top to bottom, the sandwich layer and/or center core layer are bamboo wood, and the enhancing container bottom board also includes the enhancement layer being interspersed in center core layer.Preparation method is as follows：Enhancement layer, center core layer are subjected to laying；Using the bamboo mat material of unidirectional laying as sandwich layer, assembly is arranged according to the order of surface layer, sandwich layer, center core layer, sandwich layer, surface layer；Hot pressing is carried out after assembly to be combined, and enhancing container bottom board is made.The property indices such as density, intensity, modulus of elasticity and the surface quality of container bottom board produced by the present invention reach trans-container industrial standard.
Description
Technical field
The present invention relates to container bottom board manufacturing technology field, more particularly to a kind of glass fiber reinforcement are bamboo compound
Sheet material container bottom board and preparation method thereof.
Background technology
Container bottom board is the primary load bearing structure of container, and container bottom board manufacturing industry requires that bottom plate has very high power
Learn performance, accurate processing dimension, good impact resistance.For a long time, container bottom board is mainly using raw in tropical rain forest
Long high density rigid broad-leaved wood is primary raw material, using large diameter rounding into after veneer in making, multilayer single plate assembly,
It is hot pressed into glued board.Because the growth cycle of high density deciduous species is very long, 50 years are typically both needed to or even longer, and container bottom
The demand of plate but increasingly increases.In order to protect World Ecosystem environment, the consumption of tropical hard wood resource is reduced, novel container is developed
Bottom plate, widens the source of bottom plate material, with far-reaching realistic meaning.
In the patent of the production method of patent ZL93115652.0 bottom plate of bamboo container, the method cuts open into bamboo wood wide
The thin bamboo strip of uniform thickness, thin bamboo strip is arranged in parallel in flakes, is put into lamination after being impregnated in the mixed liquor of preservative and phenolic resin and pressurizes, gives birth to
The bottom plate of bamboo container of production can by the test request of trans-container, but the utilization rate of bamboo wood is low, manufacture is complicated plus
Work inefficiency, causes the high expensive of bottom plate of bamboo container, and production capacity is limited, it is impossible to extensive to be used for the marketization.
Mentioned in patent CN103013149 using wood plastic composite core plate and continuous glass fibre enhancing cortex laminating
Into.Invention strengthens base plate performance using waste and old wood fibre and synthetic resin as raw material, and by Surfaces Fiberglass, it is ensured that reach
Resource has been saved on the basis of to use requirement, cost is reduced, the method for processing sheet material is based on wood plastic composite, wood moulding
The unstable phenomenon of performance often occurs than larger container bottom board for span in mechanical property and its processing method.
A kind of bamboo container bottom board, including mainboard body are mentioned in patent CN202640499, the mainboard body includes at least one
The curtain seat structure sheaf of layer, the curtain seat structure sheaf includes the bamboo beam curtain of some tilings side by side, and all bamboo beam curtains are by suturing sewer
Together；The bamboo beam curtain be along the fiber growth direction of bamboo wood form interrupted point-like and/or line segment shape crackle constitute it is netted
The bamboo beam curtain of structure, processing forms a kind of container bottom board of full bamboo slab rubber.
The content of the invention
For problem of the prior art, it is an object of the invention to provide a kind of container loading intensity requirement that disclosure satisfy that
Bottom plate enhancing container bottom board, is combined by reinforcing fiber and bamboo material, the structure design by science and uniqueness
Processing method, obtain a kind of bottom plate for meeting container bottom board use requirement, substitute traditional use southeast subclone wood etc.
The composite board for bottom board of container of tropical broad-leaved hardwood manufacture.
It is a further object to provide a kind of preparation method of above-mentioned enhancing container bottom board.
To achieve these goals, technical scheme is as follows：
Strengthen container bottom board the invention provides one kind, include surface layer, sandwich layer, center core layer, sandwich layer successively from top to bottom
And surface layer, the sandwich layer and/or center core layer are bamboo wood, and the enhancing container bottom board also includes the enhancing being interspersed in center core layer
Layer.
The surface thickness is 1~2mm.
The enhancement layer thickness is 0.5mm.
The core layer thickness is 1~4mm.
The center core layer thickness is 16~23mm.
The surface layer is continuous lod thermoset ting resin composite.
It is preferred that, the continuous lod thermoset ting resin composite is unidirectional by continuous lod thermosetting resin
Hot pressing is formed after cloth is laid.
The one kind or one kind of the continuous fiber in continuous glass fibre, continuous carbon fibre or continuous basalt fiber
More than, preferably continuous glass fibre or continuous basalt fiber, more preferably continuous glass fibre.
It is sub- that the thermosetting resin is selected from epoxy resin, phenolic resin, unsaturated polyester resin, vinylite or polyamides
One or more in polyimide resin, preferably phenolic resin.
The enhancement layer is continuous lod thermosetting resin unidirectional cloth.
The continuous lod thermosetting resin unidirectional cloth is selected from glass fibre unidirectional cloth, carbon fiber unidirectional cloth or the Black Warrior
One or more in rock one-way fiber fabric, preferably inexpensive glass fibre unidirectional cloth or basalt fibre unidirectional cloth,
More preferably glass fibre unidirectional cloth.
It is sub- that the thermosetting resin is selected from epoxy resin, phenolic resin, unsaturated polyester resin, vinylite or polyamides
One or more in polyimide resin, preferably phenolic resin.
The weight/mass percentage composition of resin is 25~45%, preferably 25 in the continuous lod thermosetting resin unidirectional cloth
~40%, again preferably 25~30%.
The sandwich layer is bamboo mat material, and the number of plies of bamboo mat material is 1~4 layer, and thickness in monolayer is 1~1.5mm, bamboo mat material
Pass through phenolic resin glue glued adhesion.
The bamboo mat material is the thin bamboo strips used for weaving that is formed after treatment of bamboo, what what thin bamboo strips used for weaving was formed after braiding interweaved in length and breadth
Bamboo mat material.
The center core layer is unidirectional bamboo curtain splint, and the number of plies of unidirectional bamboo curtain splint is 15~20 layers, and thickness in monolayer is 1~2mm, water content
≤ 8%, unidirectional bamboo curtain splint passes through phenolic resin glue glued adhesion.
The ply sequence of the unidirectional bamboo curtain splint is 0/90 alternating laying or 02The mode laying of/90 liang of vertical and one horizontal.
The resin added of the phenolic resin glue is 300~400g/m2, insect-proof agent is added in phenolic resin glue, insect-proof agent
The weight/mass percentage composition that addition accounts for phenolic resin glue is 0.3~0.5%.
The insect-proof agent is phoxim, Permethrin, decis, chlorine Flumethrin or the bromo- 2- of 4- (4- chlorphenyls) -1- (second
Epoxide methyl) one or more in -5- (trifluoromethyl) pyrroles -3- nitriles (Chlorfenapyr)；It is preferred that the bromo- 2- of 4-
(4- chlorphenyls) -1- (ethoxyl methyl) -5- (trifluoromethyl) pyrroles -3- nitriles (Chlorfenapyr).
The bamboo curtain splint is that bamboo passes through cutting, forms the bamboo cane of strip；By the unidirectional parallel arrangement of the bamboo cane, suture is utilized
Connect the material to be formed.
The bamboo wood is selected from one or both of mao bamboon or bamboo.
The thickness of the enhancing container bottom board is 28mm.
Present invention also offers a kind of preparation method of above-mentioned enhancing container bottom board, comprise the following steps：
Enhancement layer, center core layer are subjected to laying；Using the bamboo mat material of unidirectional laying as sandwich layer, according to surface layer, sandwich layer, in
Sandwich layer, sandwich layer, the order arrangement assembly of surface layer；Hot pressing is carried out after assembly to be combined, and enhancing container bottom board is made.
The surface layer or the enhancement layer are prepared by the following method：Continuous fiber is carried out after row's yarn warping, passes through dress
The dipping tank for having thermosetting resin carrys out impregnating resin；Continuous fiber after impregnating resin is extruded, resin is fully infiltrated
Fiber, obtains continuous lod thermosetting resin unidirectional cloth as enhancement layer；By the continuous lod thermosetting resin
Unidirectional cloth carries out laying by 0/90 arrangement mode, obtains surface layer.
The sandwich layer is made by following methods：Bamboo mat material uses phenolic resin glue impregnation by drying, dries, second
Dry or dry, laying obtains sandwich layer.
The center core layer is made by following methods：Bamboo curtain splint material uses phenolic resin glue impregnation by drying, dries, second
Secondary drying is dried, and laying obtains center core layer together with enhancement layer.
The compound technique of the hot pressing is：Hot pressing temperature is 130~140 DEG C, and pressure is 1.0~3.0MPa, pressurize, time
For 15~25min；Then pressure is dropped into half, pressure is 0.5~1.5MPa, keep after 4~6min release completely, exhaust,
Release, or inwardly lead to cold water, container bottom board is made in the release after it is cooled to room temperature.
Compared with prior art, the present invention has advantages below and beneficial effect：
1st, the property indices such as the density of container bottom board produced by the present invention, intensity, modulus of elasticity and surface quality
Reach trans-container industrial standard.
2nd, container bottom board produced by the present invention, using the method for interting the unidirectional layer of cloth of reinforcing fiber in the core, is utilized
The big characteristic of tensile strength in the mono-oriented of reinforcing fiber unidirectional cloth, is designed by rationally laying assembly, enhances container bottom
The bending property of plate material in the longitudinal direction.
3rd, composite container baseboard designability of the invention is strong, can reasonably be selected according to actual demand surface layer and
The thickness and density of sandwich layer, to reach optimal economic effect.The surface layer of bottom plate is fibre reinforced composites, with good
Wearability, corrosion resistance, and do not absorb water, easily clean, in contrast to hardwood bottom plate, composite bottom board service life of the invention is big
It is big to improve, and the process for eliminating bottom surface spray painting, it is favourable to environmental protection.Do not given birth in addition, composite board is difficult burn into
Bacterium, is not in the problem of damaging by worms.
4th, container bottom board of the invention, be completely free of for a long time to tropical broad-leaved hardwood and heavy caliber log according to
Rely, composite, reinforcing fiber unidirectional cloth and fast growing wood of use etc. are all renewable resources, be that container bottom board material comes
Source opens new way, has promoted the sustainable development of container industry.
Brief description of the drawings
Fig. 1 is the structural representation of enhancing container bottom board shown in embodiment 1.
Fig. 2 is the structural representation of enhancing container bottom board shown in embodiment 2.
Fig. 3 is the structural representation of enhancing container bottom board shown in embodiment 3.
Fig. 4 is the structural representation of enhancing container bottom board shown in embodiment 4.
Fig. 5 is the structural representation of enhancing container bottom board shown in embodiment 5.
Wherein 11,21,31,41,51 be surface layer；12,22,32,42,52 be sandwich layer；13,23,33,43,53 be 0 degree of laying
Unidirectional bamboo curtain splint material；14,24,34,44,54 be the unidirectional bamboo curtain splint material of 90 degree of layings；15,25,35,45,55 be enhancement layer.
Embodiment
The present invention is further detailed explanation for illustrated embodiment below in conjunction with the accompanying drawings.
Clearly to represent the ply sequence of enhancing container bottom board, reinforcing material is represented with Z；0 degree represents container
Strengthen 0 degree of laminated material of unidirectional bamboo curtain splint in bottom plate center core layer；90 degree represent unidirectional bamboo curtain splint in container enhancing bottom plate center core layer
90 degree of laminated materials.
Water content≤8% of unidirectional bamboo curtain splint used below.
Bamboo mat material used below is the thin bamboo strips used for weaving that bamboo is formed after treatment, the friendship in length and breadth that thin bamboo strips used for weaving is formed after braiding
The bamboo mat material knitted.
Bamboo curtain splint used below is that bamboo passes through cutting, forms the bamboo cane of strip；By the unidirectional parallel arrangement of the bamboo cane, seam is utilized
Zygonema connects the material to be formed.
Embodiment 1
One kind enhancing container bottom board includes surface layer, sandwich layer, center core layer, sandwich layer, surface layer successively from top to bottom, wherein described
Enhancing container bottom board also includes being interspersed in enhancement layer therein.
The preparation of sandwich layer and center core layer preformed material：Unidirectional mao bamboon bamboo curtain splint and mao bamboon bamboo mat material are dried, dried
Afterwards unidirectional bamboo curtain splint and bamboo mat material are put into gumming device, impregnated phenolic resin glue, by the unidirectional bamboo curtain splint and bamboo mat after impregnation
Material is dried, and is dried, ageing, and resin added is 300g/m2, 4- bromo- 2- (4- chlorphenyls) -1- (second is added in phenolic resin
Epoxide methyl) -5- (trifluoromethyl) pyrroles -3- nitrile (Chlorfenapyr) insect prevention agent content is 0.3%, carries out second and dries
Processing, obtains the bamboo mat material of impregnation and the unidirectional bamboo curtain splint material of impregnation；
The preparation of surface layer and enhancement layer：By continuous carbon fibre arrange yarn warping after, by the dipping tank equipped with phenolic resin come
Dipping；Carbon fiber of the impregnation after abundant is extruded, the thick continuous carbon fibre enhancing phenolic resin unidirectional cloths of 0.5mm is obtained and makees
For enhancement layer 15, resin content is 25%；2 layers of continuous carbon fibre are strengthened into phenolic resin unidirectional cloth to carry out according to 0/90 degree of direction
Laying, obtains the surface layer 11 of container bottom board；
The preparation of sandwich layer 12：The bamboo mat material of impregnation thick 2 layers of 1mm is subjected to laying in the same direction, sandwich layer 12 is obtained；
The preparation of center core layer：Unidirectional bamboo curtain splint impregnation material thick 19 layers of 1.3mm and 2 layers of thick enhancement layers 15 of 0.5mm are entered
Row lay obtains center core layer, and lay mode is Z/02/90/02/90/02/90/0/90/02/90/02/90/02/ Z, wherein Z are represented
The unidirectional bamboo curtain splint material 13,90 that enhancement layer 15,0 represents 0 degree of laying represents the unidirectional bamboo curtain splint materials 14 of 90 degree of layings；
Above layers are put into according to surface layer, sandwich layer, center core layer, sandwich layer, the sheet material that the mode of surface layer is carried out after assembly, assembly
Hot press carries out hot pressing, and hot pressing temperature is 135 DEG C, and moulding pressure is 1MPa, and the heating dwell time is 15min；Then pressure subtracts
Half, after pressure is 0.5MPa, pressurize 4min, complete release, exhaust, release, or inwardly lead to cold water, unloaded after it is cooled to room temperature
Pressure, obtains container enhancing bottom plate, and surface thickness is 1mm, and core layer thickness is 1.8mm, and center core layer thickness is 22.4mm.
The symmetrical container enhancing bottom plate, by conventional post-production, as container floor, can reach 0 degree of direction
MOR is 110MPa, and 90 degree of direction MORs are 48MPa；0 degree of direction modulus of elasticity is 11000MPa, 90 degree of direction bullets
Property modulus be 3500MPa.
Embodiment 2
One kind enhancing container bottom board includes surface layer, sandwich layer, center core layer, sandwich layer, surface layer successively from top to bottom, wherein described
Enhancing container bottom board also includes being interspersed in enhancement layer therein.
The preparation of sandwich layer and center core layer preformed material：Unidirectional bamboo bamboo curtain splint and bamboo bamboo mat material are dried, dried
Afterwards unidirectional bamboo curtain splint and bamboo mat material are put into gumming device, impregnated phenolic resin glue, by the unidirectional bamboo curtain splint and bamboo mat after impregnation
Material is dried, and is dried, ageing, and resin added is 325g/m2, 4- bromo- 2- (4- chlorphenyls) -1- (second is added in phenolic resin
Epoxide methyl) -5- (trifluoromethyl) pyrroles -3- nitrile (Chlorfenapyr) insect prevention agent content is 0.4%, carries out second and dries
Processing, obtains bamboo mat and bamboo curtain splint impregnation material；
The preparation of surface layer and enhancement layer：Continuous glass fibre is arranged after yarn warping, passes through the dipping tank equipped with phenolic resin
To impregnate；Fiber of the impregnation after abundant is extruded, the thick continuous glass fibre enhancing phenolic resin unidirectional cloths of 0.5mm are obtained
As enhancement layer 25, resin content is 28%；4 layers of continuous glass fibre are strengthened into phenolic resin unidirectional cloth according to 0/90 degree of direction
Laying is carried out, the surface layer 21 of container bottom board is obtained；
The preparation of sandwich layer 22：The bamboo mat material of impregnation thick 4 layers of 1mm is subjected to laying in the same direction, sandwich layer 22 is obtained；
The preparation of center core layer：Unidirectional bamboo curtain splint impregnation material thick 17 layers of 1.42mm and 3 layers of thick enhancement layers 25 of 0.5mm are entered
Row lay obtains center core layer, and the mode that lays is 02/90/02/90/Z/02/90/02/Z/90/02/90/02/ Z, wherein Z represent enhancing
The unidirectional bamboo curtain splint material 23,90 that layer 25,0 represents 0 degree of laying represents the unidirectional bamboo curtain splint material 24 of 90 degree of layings；
Above layers are put into according to surface layer, sandwich layer, center core layer, sandwich layer, the sheet material that the mode of surface layer is carried out after assembly, assembly
Hot press carries out hot pressing, and hot pressing temperature is 130 DEG C, and moulding pressure is 2MPa, and the heating dwell time is 20min；Then pressure subtracts
Half, after pressure is 1MPa, pressurize 5min, complete release, exhaust, release, or inwardly lead to cold water, unloaded after it is cooled to room temperature
Pressure, obtains container enhancing bottom plate, and surface thickness is 2mm, and core layer thickness is 3.6mm, and center core layer thickness is 16.8mm.
The container strengthens bottom plate, by conventional post-production, as container floor, can reach 0 degree of quiet song in direction
Intensity is 68MPa, and 90 degree of direction MORs are 42MPa；0 degree of direction modulus of elasticity is 10000MPa, 90 degree of direction springforms
Measure as 5500MPa.
Embodiment 3
One kind enhancing container bottom board includes surface layer, sandwich layer, center core layer, sandwich layer, surface layer successively from top to bottom, wherein described
Enhancing container bottom board also includes being interspersed in enhancement layer therein.
The preparation of sandwich layer and center core layer preformed material：Unidirectional mao bamboon bamboo curtain splint and mao bamboon bamboo mat material are dried, dried
Afterwards unidirectional bamboo curtain splint and bamboo mat material are put into gumming device, impregnated phenolic resin glue, by the unidirectional bamboo curtain splint and bamboo mat after impregnation
Material is dried, and is dried, ageing, and resin added is 350g/m2, it is 0.3% that phoxim insect prevention agent content is added in phenolic resin,
Permethrin insect prevention agent content is 0.2%, carries out second of drying and processing, obtains bamboo mat and bamboo curtain splint impregnation material；
The preparation of surface layer and enhancement layer：Continuous glass fibre is arranged after yarn warping, passes through the dipping tank equipped with phenolic resin
To impregnate；Fiber of the impregnation after abundant is extruded, the thick continuous glass fibre enhancing phenolic resin unidirectional cloths of 0.5mm are obtained
As enhancement layer 35, resin content is 40%；3 layers of continuous glass fibre are strengthened into phenolic resin unidirectional cloth according to 0/90 degree of direction
Laying is carried out, the surface layer 31 of container bottom board is obtained；
The preparation of sandwich layer 32：The bamboo mat material of impregnation thick 3 layers of 1mm is subjected to laying in the same direction, sandwich layer 32 is obtained；
The preparation of center core layer：Unidirectional bamboo curtain splint impregnation material thick 19 layers of 1.4mm and 4 layers of thick enhancement layers 35 of 0.5mm are entered
Row lay obtains center core layer, and lay mode is Z/02/90/Z/02/90/02/90/0/90/02/90/02/Z/90/02/Z, wherein
Z, which represents enhancement layer 35,0 and represents the unidirectional bamboo curtain splint material 33,90 of 0 degree of laying, represents the unidirectional bamboo curtain splint materials 34 of 90 degree of layings；
Above layers are put into according to surface layer, sandwich layer, center core layer, sandwich layer, the sheet material that the mode of surface layer is carried out after assembly, assembly
Hot press carries out hot pressing, and hot pressing temperature is 140 DEG C, and moulding pressure is 3MPa, and the heating dwell time is 15min；Then pressure subtracts
Half, after pressure is 1.5MPa, pressurize 6min, complete release, exhaust, release, or inwardly lead to cold water, unloaded after it is cooled to room temperature
Pressure, obtains container enhancing bottom plate, and surface thickness is 1.5mm, and core layer thickness is 2.7mm, and center core layer thickness is 19.6mm.
The symmetrical container enhancing bottom plate, by conventional post-production, as container floor, can reach 0 degree of direction
MOR is 100MPa, and 90 degree of direction MORs are 55MPa；0 degree of direction modulus of elasticity is 10000MPa, 90 degree of direction bullets
Property modulus be 4000MPa.
Embodiment 4
One kind enhancing container bottom board includes surface layer, sandwich layer, center core layer, sandwich layer, surface layer successively from top to bottom, wherein described
Enhancing container bottom board also includes being interspersed in enhancement layer therein.
The preparation of sandwich layer and center core layer preformed material：Unidirectional bamboo bamboo curtain splint and bamboo bamboo mat material are dried, dried
Afterwards unidirectional bamboo curtain splint and bamboo mat material are put into gumming device, impregnated phenolic resin glue, by the unidirectional bamboo curtain splint and bamboo mat after impregnation
Material is dried, and is dried, ageing, and resin added is 400g/m2, chlorine Flumethrin insect prevention agent content is added in phenolic resin is
0.3%, decis insect prevention agent content is 0.2%, carries out second of drying and processing, obtains bamboo mat and bamboo curtain splint impregnation material；
The preparation of surface layer and enhancement layer：Continuous glass fibre is arranged after yarn warping, passes through the dipping tank equipped with phenolic resin
To impregnate；Fiber of the impregnation after abundant is extruded, the thick continuous glass fibre enhancing phenolic resin unidirectional cloths of 0.5mm are obtained
As enhancement layer 45, resin content is 30%；4 layers of continuous glass fibre are strengthened into phenolic resin unidirectional cloth according to 0/90 degree of direction
Laying is carried out, the surface layer 41 of container bottom board is obtained；
The preparation of sandwich layer 42：The bamboo mat material of impregnation thick 2 layers of 1mm is subjected to laying in the same direction, sandwich layer 42 is obtained；
The preparation of center core layer：Unidirectional bamboo curtain splint impregnation material thick 17 layers of 1.4mm and 4 layers of thick enhancement layers 45 of 0.5mm are entered
Row lay obtains center core layer, and lay mode is Z/02/90/02/90/Z/02/90/02/Z/90/02/90/02/ Z, wherein Z, which are represented, to be increased
The unidirectional bamboo curtain splint material 43,90 that strong layer 45,0 represents 0 degree of laying represents the unidirectional bamboo curtain splint material 44 of 90 degree of layings；
Above layers are put into according to surface layer, sandwich layer, center core layer, sandwich layer, the sheet material that the mode of surface layer is carried out after assembly, assembly
Hot press carries out hot pressing, and hot pressing temperature is 135 DEG C, and moulding pressure is 2MPa, and the heating dwell time is 25min；Then pressure subtracts
Half, after pressure is 1MPa, pressurize 6min, complete release, exhaust, release, or inwardly lead to cold water, unloaded after it is cooled to room temperature
Pressure, obtains container enhancing bottom plate, and surface thickness is 2mm, and core layer thickness is 1.8mm, and center core layer thickness is 20.4mm.
The symmetrical container enhancing bottom plate, by conventional post-production, as container floor, can reach 0 degree of direction
MOR is 105MPa, and 90 degree of direction MORs are 63MPa；0 degree of direction modulus of elasticity is 9500MPa, 90 degree of direction bullets
Property modulus be 6500MPa.
Embodiment 5
One kind enhancing container bottom board includes surface layer, sandwich layer, center core layer, sandwich layer, surface layer successively from top to bottom, wherein described
Enhancing container bottom board also includes being interspersed in enhancement layer therein.
The preparation of sandwich layer and center core layer preformed material：Unidirectional mao bamboon bamboo curtain splint and mao bamboon bamboo mat material are dried, dried
Afterwards unidirectional bamboo curtain splint and bamboo mat material are put into gumming device, impregnated phenolic resin glue, by the unidirectional bamboo curtain splint and bamboo mat after impregnation
Material is dried, and is dried, ageing, and resin added is 350g/m2, it is 0.3% that phoxim insect prevention agent content is added in phenolic resin,
Decis insect prevention agent content is 0.2%, carries out second of drying and processing, obtains bamboo mat and bamboo curtain splint impregnation material；
The preparation of surface layer and enhancement layer：Continuous basalt fiber is arranged after yarn warping, passes through the dipping equipped with phenolic resin
Groove impregnates；Fiber of the impregnation after abundant is extruded, the thick continuous basalt fiber enhancing phenolic resin lists of 0.5mm are obtained
To cloth as enhancement layer 55, resin content is 45%；3 layers of continuous basalt fiber are strengthened into phenolic resin unidirectional cloth according to 0/90
Spend direction and carry out laying, obtain the surface layer 51 of container bottom board；
The preparation of sandwich layer 52：The bamboo mat material of impregnation thick 2 layers of 1.5mm is subjected to laying in the same direction, sandwich layer 52 is obtained；
The preparation of center core layer：Unidirectional bamboo curtain splint impregnation material thick 19 layers of 1.33mm and 4 layers of thick enhancement layers 55 of 0.5mm are entered
Row lay obtains center core layer, and lay mode is Z/0/90/0/90/Z/0/90/0/90/0/90/0/90/0/90/0/Z/90/0/
90/0/Z, wherein Z, which represent enhancement layer 55,0 and represent the unidirectional bamboo curtain splint material 53,90 of 0 degree of laying, represents the unidirectional bamboos of 90 degree of layings
Curtain material 54；
Above layers are put into according to surface layer, sandwich layer, center core layer, sandwich layer, the sheet material that the mode of surface layer is carried out after assembly, assembly
Hot press carries out hot pressing, and hot pressing temperature is 140 DEG C, and moulding pressure is 3MPa, and the heating dwell time is 15min；Then pressure subtracts
Half, after pressure is 1.5MPa, pressurize 6min, complete release, exhaust, release, or inwardly lead to cold water, unloaded after it is cooled to room temperature
Pressure, obtains container enhancing bottom plate, and surface thickness is 1.5mm, and core layer thickness is 2.7mm, and center core layer thickness is 19.6mm.
The symmetrical container enhancing bottom plate, by conventional post-production, as container floor, can reach 0 degree of direction
MOR is 750MPa, and 90 degree of direction MORs are 65MPa；0 degree of direction modulus of elasticity is 7600MPa, 90 degree of direction bullets
Property modulus be 6500MPa.
The present invention is using intensity is big, hardness is high, good toughness fibre-reinforced thermoplastic sheet as skin-material, use bamboo mat
Material and unidirectional bamboo curtain splint are designed as sandwich layer and SMIS layer material through different ply sequences, use the gluing technique of science can be with
Be made with high performance composite container floor, given full play to wear-resisting fiber reinforced thermolplastic sheet material, acid and alkali-resistance, waterproof,
The characteristics such as high modulus and strength, meet the items machinery proposed to container floor, physical technique requirement in every respect.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to implementation here
Example, those skilled in the art do not depart from improvement that scope made and change all should be according to the announcement of the present invention
Within protection scope of the present invention.
Claims (21)
1. one kind enhancing container bottom board, it is characterised in that：Include surface layer, sandwich layer, center core layer, sandwich layer and face successively from top to bottom
Layer, the sandwich layer and/or center core layer are bamboo wood, and the enhancing container bottom board also includes the enhancement layer being interspersed in center core layer；
The enhancement layer is continuous lod thermosetting resin unidirectional cloth；
The surface layer is continuous lod thermoset ting resin composite；
The thermosetting resin is selected from one or more of vinylite or polyimide resin；
The sandwich layer is bamboo mat material, and the number of plies of bamboo mat material is 1~4 layer, and thickness in monolayer is 1~1.5mm, and bamboo mat material passes through
Phenolic resin glue glued adhesion；
The center core layer is unidirectional bamboo curtain splint, and the number of plies of unidirectional bamboo curtain splint is 15~20 layers, and thickness in monolayer is 1~2mm, water content≤
8%, unidirectional bamboo curtain splint passes through phenolic resin glue glued adhesion；
The resin added of the phenolic resin glue is 300~400g/m2, insect-proof agent, the addition of insect-proof agent are added in phenolic resin glue
The weight/mass percentage composition for accounting for phenolic resin glue is 0.3~0.5%；
The insect-proof agent is phoxim, Permethrin, decis, chlorine Flumethrin or the bromo- 2- of 4- (4- chlorphenyls) -1- (ethyoxyls
One or more of methyl) -5- (trifluoromethyl) pyrroles's -3- nitriles.
2. enhancing container bottom board according to claim 1, it is characterised in that：The surface thickness is 1~2mm.
3. enhancing container bottom board according to claim 1, it is characterised in that：The enhancement layer thickness is 0.5mm.
4. enhancing container bottom board according to claim 1, it is characterised in that：The core layer thickness is 1~4mm.
5. enhancing container bottom board according to claim 1, it is characterised in that：The center core layer thickness is 16~23mm.
6. enhancing container bottom board according to claim 1, it is characterised in that：The continuous lod thermosetting resin
Composite hot pressing after continuous lod thermosetting resin unidirectional cloth lay is formed.
7. enhancing container bottom board according to claim 1, it is characterised in that：The continuous fiber is selected from continuous glass fibers
One or more of dimension, continuous carbon fibre or continuous basalt fiber.
8. enhancing container bottom board according to claim 1, it is characterised in that：The continuous lod thermosetting resin
Unidirectional cloth is selected from one or more of glass fibre unidirectional cloth, carbon fiber unidirectional cloth or basalt fibre unidirectional cloth.
9. enhancing container bottom board according to claim 1, it is characterised in that：The continuous lod thermosetting resin
The weight/mass percentage composition of resin is 25~45% in unidirectional cloth.
10. enhancing container bottom board according to claim 1, it is characterised in that：The continuous lod thermosetting tree
The weight/mass percentage composition of resin is 25~40% in fat unidirectional cloth.
11. enhancing container bottom board according to claim 1, it is characterised in that：The continuous lod thermosetting tree
The weight/mass percentage composition of resin is 25~30% in fat unidirectional cloth.
12. enhancing container bottom board according to claim 1, it is characterised in that：The bamboo mat material is bamboo at
The thin bamboo strips used for weaving formed after reason, the bamboo mat material that what thin bamboo strips used for weaving was formed after braiding interweave in length and breadth.
13. enhancing container bottom board according to claim 1, it is characterised in that：The ply sequence of the unidirectional bamboo curtain splint is
0/90 alternating laying or 02The mode laying of/90 liang of vertical and one horizontal.
14. enhancing container bottom board according to claim 1, it is characterised in that：The bamboo curtain splint is that bamboo passes through cutting, shape
Bamboo cane into strips；By the unidirectional parallel arrangement of the bamboo cane, the material to be formed is connected using suture.
15. enhancing container bottom board according to claim 1, it is characterised in that：The bamboo wood is in mao bamboon or bamboo
One or two.
16. enhancing container bottom board according to claim 1, it is characterised in that：The thickness of the enhancing container bottom board
For 28mm.
17. a kind of preparation method of enhancing container bottom board as described in any one of claim 1 to 16, it is characterised in that：Bag
Include following steps：
Enhancement layer, center core layer are subjected to laying；Using the bamboo mat material of unidirectional laying as sandwich layer, according to surface layer, sandwich layer, SMIS
Layer, sandwich layer, the order arrangement assembly of surface layer；Hot pressing is carried out after assembly to be combined, and enhancing container bottom board is made.
18. the preparation method of enhancing container bottom board according to claim 17, it is characterised in that：The surface layer is described
Enhancement layer is prepared by the following method：By continuous fiber carry out row yarn warping after, by the dipping tank equipped with thermosetting resin come
Impregnating resin；Continuous fiber after impregnating resin is extruded, makes the abundant wetting fibre of resin, continuous lod heat is obtained
Thermosetting resin unidirectional cloth is used as enhancement layer；By the continuous lod thermosetting resin unidirectional cloth pass through 0/90 arrangement mode
Laying is carried out, surface layer is obtained.
19. the preparation method of enhancing container bottom board according to claim 17, it is characterised in that：The sandwich layer is by following
Method is made：Bamboo mat material uses phenolic resin glue impregnation by drying, dries, dries or dry for the second time, laying obtains core
Layer.
20. the preparation method of enhancing container bottom board according to claim 17, it is characterised in that：The center core layer by with
Lower section method is made：Bamboo curtain splint material uses phenolic resin glue impregnation by drying, dries, dries or dry for the second time, and and enhancement layer
Laying obtains center core layer together.
21. the preparation method of enhancing container bottom board according to claim 17, it is characterised in that：What the hot pressing was combined
Technique is：Hot pressing temperature is 130~140 DEG C, and pressure is 1.0~3.0MPa, pressurize, and the time is 15~25min；Then by pressure
Half is dropped to, pressure is 0.5~1.5MPa, keep 4~6min final vacuums to reach complete release, or inwardly lead to cold water, treat it
Release after room temperature is cooled to, container bottom board is made.
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| CN201410040554.4A CN104802231B (en) | 2014-01-27 | 2014-01-27 | One kind enhancing container bottom board and preparation method thereof |
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| CN106239647B (en) * | 2016-08-05 | 2019-04-02 | 贺州市恒达板业有限公司 | A kind of manufacturing method of carbon fiber ecological ornamental plate |
| CN113200253B (en) * | 2021-04-27 | 2022-05-17 | 邵阳佰龙竹木有限责任公司 | Bamboo-wood composite bottom plate for container |
| CN114056789B (en) * | 2021-11-16 | 2023-08-04 | 江苏华跃纺织新材料科技股份有限公司 | Container bottom plate made of fiber composite material and manufacturing method thereof |
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| JP2009101648A (en) * | 2007-10-25 | 2009-05-14 | Daiken Corp | Wooden composite plywood and its method for manufacturing |
| CN101269499A (en) * | 2008-05-02 | 2008-09-24 | 茂友木材股份有限公司 | Impregnation textile cloth cover container floor and producing technique |
| NL2005845C2 (en) * | 2010-12-09 | 2012-06-12 | Kooiker Bedrijfswagenspuiterij En Carrosserie B V | Structural material and method of manufacturing thereof. |
| CN103362288B (en) * | 2012-03-31 | 2016-12-14 | 嘉兴中集木业有限公司 | Composite floor board and preparation method thereof |
| CN102990728A (en) * | 2012-12-04 | 2013-03-27 | 佛山市顺德区东顺木业有限公司 | Highly shearing-resistant container bottom board and manufacturing method thereof |
| CN103009736A (en) * | 2012-12-25 | 2013-04-03 | 无锡顺铉新材料有限公司 | Foaming wood-plastic composite for bottom plate of container and fabrication method of foaming wood-plastic composite |
| CN203156875U (en) * | 2013-02-07 | 2013-08-28 | 嘉善新华昌木业有限公司 | Plywood for container soleplate |
| CN203306513U (en) * | 2013-03-25 | 2013-11-27 | 江苏奇一科技有限公司 | Continuous filament reinforcing container bottom plate and container thereof |
| CN203380976U (en) * | 2013-06-05 | 2014-01-08 | 宜兴市一洲木业有限公司 | Plywood for bamboo-wood composite container baseplate |
| CN203945445U (en) * | 2014-01-27 | 2014-11-19 | 上海杰事杰新材料(集团)股份有限公司 | A kind of enhancing container bottom board |
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Denomination of invention: Reinforced container soleplate and preparation method thereof Effective date of registration: 20191202 Granted publication date: 20170804 Pledgee: Chuzhou economic and Technological Development Corporation Pledgor: Shanghai Jieshijie New Materials (Group) Co., Ltd. Registration number: Y2019980000815 |
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