CN103085130A - Plywood for container flooring and production method of plywood - Google Patents
Plywood for container flooring and production method of plywood Download PDFInfo
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- CN103085130A CN103085130A CN2011103467125A CN201110346712A CN103085130A CN 103085130 A CN103085130 A CN 103085130A CN 2011103467125 A CN2011103467125 A CN 2011103467125A CN 201110346712 A CN201110346712 A CN 201110346712A CN 103085130 A CN103085130 A CN 103085130A
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- wooden veneer
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- rift grain
- veneer
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- 238000009408 flooring Methods 0.000 title abstract 3
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- 239000002131 composite material Substances 0.000 claims description 70
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Abstract
The invention relates to plywood for container flooring and a production method of the plywood. The plywood is formed by staggering, assembling and hot-pressing a plurality of wood veneers and at least two oriented structural boards, the thickness of each oriented structural board ranges from 8mm to 18mm, at least one wood veneer is clamped between each two adjacent oriented structural boards, both the surface layer and the bottom layer of the plywood are wood veneers, and the total number of the wood veneers and the oriented structural boards is not more than 13. The artificial wood veneers and the oriented structural boards are compounded to generate the plywood for the container flooring, the number of compound layers of the plywood is greatly decreased, glue consumption is reduced, and the problems of resource lack, high production cost, unsatisfactory appearance and the like are solved.
Description
Technical field
The present invention relates to a kind of composite board for bottom board of container and production method thereof, relate in particular to a kind of composite board for bottom board of container and production method thereof that is composited by Wooden veneer and directional structure board.
Background technology
In existing container structure, container bottom board is main load bearing component, therefore its intensity and good presentation quality has been proposed higher requirement.Due to for a long time, composite board for bottom board of container is all cloning wood as the higher tropical broad-leaved hardwood of the strength characteristics of representative as raw material, after adopting large footpath level rounding to become veneer in production, the multilayer single plate assembly, is hot pressed into glued board always.Because the container bottom board industry is larger to the tropical broad-leaved hardwood of large footpath level dependency degree, and the production cycle of such seeds long (greater than 100 years), if overcut will have a strong impact on the ecological environment of tropical rain forest.Due to the scarcity of resource, cause the tropical broad-leaved hardwood shortage increasingly such as similar clone's wood, and price skyrockets simultaneously.If use in a large number the tropical virgin forest hardwood of this class, both be unfavorable for the sustainable development of environment, also be unfavorable for the cost control of enterprise.Therefore, must there be an environmentally friendly low price material to substitute.
At present; the container demander is except the intensity to container bottom board has higher requirements; its presentation quality is paid much attention to; usually can because of the aberration of clone's face base plate, texture etc. inevitably the manufacturing defect of natural flaw or impregnated membranes cause that the client's is discontented; therefore, a scheme that thoroughly solves product appearance must be arranged again.
In addition, container bottom board production belongs to labor-intensive, for a long time, production efficiency is low, cost of labor and manufacturing cost are all higher, today labor cost constantly rises, must there be a higher new production operation mode of production efficiency to substitute, to guarantee the sustainable development of company.
Summary of the invention
The first purpose of the present invention is, for prior art produce scarcity of resources in composite board for bottom board of container, the defective such as production cost is high and outward appearance is undesirable, a kind of composite board for bottom board of container that is combined into artificial forest wood veneer and directional structure board is provided, namely satisfy container thickness and working strength requirement, reduce again the compound number of plies, reduced production cost, also solved simultaneously scarcity of resources, the undesirable problem of outward appearance.
The second purpose of the present invention is, for prior art produce composite board for bottom board of container produce in scarcity of resources, the defective such as production cost is high and outward appearance is undesirable, a kind of production method that is combined into composite board for bottom board of container with artificial forest wood veneer and directional structure board is provided, has saved the glue consumption, reduced production cost.
For realizing the first purpose, the technical solution adopted in the present invention is:
A kind of composite board for bottom board of container, being staggered by multilayered wood veneer and directional structure board, hot pressing forms after assembly, described directional structure board comprises two-layer at least, the thickness of described directional structure board is 8～18mm, accompanies at least the described Wooden veneer of one deck between the described directional structure board of adjacent two layers; Described face veneer layer, backplane level are Wooden veneer; No more than 13 layers of total number of plies of described Wooden veneer and described directional structure board.
In above-mentioned composite board for bottom board of container, described Wooden veneer adopts non-clone's wood, and described face veneer layer adopts aqueous environment protection paint spraying or glass-fibre reinforced resin polymer composite or phenolic impregnated nonwoven or the phenolic impregnated non-woven paper facing of the wooden color of clone.
In above-mentioned composite board for bottom board of container, described Wooden veneer material therefor is at least a in poplar, pine, Eucalyptus or the timber with Forest Certification certificate, described directional structure board comprises 2～3 layers, and described directional structure board material therefor is at least a in the materials such as poplar, pine, Eucalyptus, hardwood, soft weedtree or brush wood.
In above-mentioned composite board for bottom board of container, total number of plies of described Wooden veneer and described directional structure board is 9 layers, is the rift grain Wooden veneer with described panel layer, sheet material that backplane level is adjacent.
In above-mentioned composite board for bottom board of container, described Wooden veneer and described directional structure board assemble pattern can be rift grain Wooden veneer, rift grain Wooden veneer, band Wooden veneer, directional structure board, band Wooden veneer, directional structure board, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer.In this assemble pattern, be positioned at the described Wooden veneer facecloth glue of panel layer and backplane level, glue used is the phenolic resins of 40～52% solids contents or other weatherabilities environmental protection glue preferably, cloth glue amount is 160～190g/cm2; Described band Wooden veneer all carries out double-sided cloth glue, and glue used is the phenolic resins of 40～52% solids contents or other weatherabilities environmental protection glue preferably, and cloth glue amount is 330～380g/cm2; The two-layer rift grain Wooden veneer adjacent with described panel layer, backplane level and described directional structure board be cloth glue not all.
In above-mentioned composite board for bottom board of container, described Wooden veneer and described directional structure board assemble pattern can be rift grain Wooden veneer, rift grain Wooden veneer, directional structure board, band Wooden veneer, rift grain Wooden veneer, band Wooden veneer, directional structure board, rift grain Wooden veneer, rift grain Wooden veneer.In this assemble pattern, with described panel layer, two-layer rift grain Wooden veneer and the equal double-sided cloth glue of described band Wooden veneer that backplane level is adjacent, cloth glue amount is 330～380g/cm2; And the equal cloth glue not of the rift grain Wooden veneer that is positioned at described panel layer, backplane level and the rift grain Wooden veneer that is positioned at intermediate core layer and described directional structure board.
In above-mentioned composite board for bottom board of container, described Wooden veneer and described directional structure board assemble pattern can be rift grain Wooden veneer, rift grain Wooden veneer, directional structure board, band Wooden veneer, directional structure board, band Wooden veneer, directional structure board, rift grain Wooden veneer, rift grain Wooden veneer.In this assemble pattern, with described panel layer, two-layer rift grain Wooden veneer and the equal double-sided cloth glue of described band Wooden veneer that backplane level is adjacent, cloth glue amount is 330～380g/cm2; And be positioned at all cloth glue not of the rift grain Wooden veneer of described panel layer, backplane level and described directional structure board.
For realizing the second purpose, the technical solution adopted in the present invention is:
A kind of production method of composite board for bottom board of container comprises the steps such as Wooden veneer making, directional structure board polishing, cloth glue and assembly, hot pressing, cutting edge, sanding, mortise, facing are processed, check warehouse-in, wherein:
A. described directional structure board polishing step is: the surperficial pre-hardening thickness sanding that affects bonding quality of described directional structure board is disposed, and according to the assembly requirement, be polished to appointed thickness 8～18mm;
B. described cloth glue step is: coating meets the glue of container bottom board instructions for use on the described Wooden veneer of part, facecloth glue amount is that 160～190g/cm2, double-sided cloth glue amount are 330～380g/cm2, described glue is phenolic resins or other weatherabilities environmental protection glue preferably, and described directional structure board is cloth glue not all;
C. described assembly step is: from the bottom be backplane level begin by assemble pattern successively in layer upwards the stack of cloth glue until top layer namely panel layer get blank flat;
D. described heat-press step is: described blank flat under the condition of 120 ℃～155 ℃ of temperature, pressure 1.6～3.5MPa, that assembly is good carries out hot pressing, keeps 15～30min, then pressure drop stage, steam discharge, release;
E. described facing is treated to: will be through aqueous environment protection paint spraying or glass-fibre reinforced resin polymer composite or phenolic impregnated nonwoven or the phenolic impregnated non-woven paper facing of described mortise step gained face veneer layer, edges of boards and the wooden color of tenon mouth position employing clone.
In the production method of above-mentioned composite board for bottom board of container, described Wooden veneer and described directional structure board assemble pattern can be rift grain Wooden veneer, rift grain Wooden veneer, band Wooden veneer, directional structure board, band Wooden veneer, directional structure board, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer.In this assemble pattern, be positioned at the described Wooden veneer facecloth glue of panel layer and backplane level, glue used is the phenolic resins of 40～52% solids contents or other weatherabilities environmental protection glue preferably, cloth glue amount is 160～190g/cm2; Described band Wooden veneer all carries out double-sided cloth glue, and glue used is the phenolic resins of 40～52% solids contents or other weatherabilities environmental protection glue preferably, and cloth glue amount is 330～380g/cm2; The two-layer rift grain Wooden veneer adjacent with described panel layer, backplane level and described directional structure board be cloth glue not all.
In the production method of above-mentioned composite board for bottom board of container, described Wooden veneer and described directional structure board assemble pattern can be rift grain Wooden veneer, rift grain Wooden veneer, directional structure board, band Wooden veneer, rift grain Wooden veneer, band Wooden veneer, directional structure board, rift grain Wooden veneer, rift grain Wooden veneer.In this assemble pattern, with described panel layer, two-layer rift grain Wooden veneer and the equal double-sided cloth glue of described band Wooden veneer that backplane level is adjacent, cloth glue amount is 330～380g/cm2; And the equal cloth glue not of the rift grain Wooden veneer that is positioned at described panel layer, backplane level and the rift grain Wooden veneer that is positioned at intermediate core layer and described directional structure board.
In the production method of above-mentioned composite board for bottom board of container, described Wooden veneer and described directional structure board assemble pattern can be rift grain Wooden veneer, rift grain Wooden veneer, directional structure board, band Wooden veneer, directional structure board, band Wooden veneer, directional structure board, rift grain Wooden veneer, rift grain Wooden veneer.In this assemble pattern, with described panel layer, two-layer rift grain Wooden veneer and the equal double-sided cloth glue of described band Wooden veneer that backplane level is adjacent, cloth glue amount is 330～380g/cm2; And be positioned at all cloth glue not of the rift grain Wooden veneer of described panel layer, backplane level and described directional structure board.
In the production method of above-mentioned composite board for bottom board of container, the steps such as all the other cutting edges, sanding, mortise, check warehouse-in are consistent with traditional composite board for bottom board of container production method, do not do at this and give unnecessary details.
The present invention has following beneficial effect:
One, composite board for bottom board of container of the present invention, has the environmental protection speciality on materials'use: with artificial tree matter veneer and directional structure board laminating production container bottom board, do not re-use the virgin forest hardwood take welding as cost, but use deforestation, fast-growing woods between Eucalyptus, poplar, pine etc. or have the Wooden veneer of Forest Certification certificate and the directional structure board (its adhesive is the PMDI glue of environment friendly aldehyde-free) that the materials such as poplar, pine, Eucalyptus, hardwood, soft weedtree or brush wood are made, the fine problem that solves scarcity of resources.
Two, composite board for bottom board of container of the present invention is structurally used for reference " sandwich structure " assemble pattern of glass fiber compound material, has significantly reduced the compound number of plies of glued board, by original 21 layers reduce to 13 layers and below.The production method that it is advantageous that this glued board is implemented to be more suitable for using automatic assembly line to carry out, and has improved production efficiency, has reduced labor cost, more easily guarantee product quality significantly to have reduced manufacturing defective simultaneously, as overlapping, from core etc.; The reduction of integrated pressure shrinkage makes the thickness of product more easily guarantee.
Three, composite board for bottom board of container of the present invention, significantly minimizing due to cloth glue-line number---conventional 21 layers of composite board for bottom board of container cloth glue-line number are 10 layers, the cloth glue-line number of composite board for bottom board of container of the present invention is 4 layers, the use amount of phenolic aldehyde glue has descended 60%, and using more, low-cost production goes out the container bottom board of more environmental protection.
Four, composite board for bottom board of container of the present invention, panel layer, backplane level do not re-use clone's wood, and adopt the material of relative low price or have the Forest Certification certificate, as veneers such as European beeches, and use aqueous environment protection paint spraying sclerosis and the combination with decorative surfaces of the wooden color of clone.It is container bottom board industry " first eats the environmental protection invention of crab " that water paint is used for composite board for bottom board of container.Paint is to contain organic volatile and the hypertoxic free TDI toxic heavy metals such as benzene,toluene,xylene, ester class, ketone in solvent-borne type Polyester Paint or nitrate paint, and the diluent of water paint is water, volatile organic solvent is few, it is only 5～10% of solvent-thinned paint, film forming is without curing agent, therefore there is not the volatilization problem of free TDI, and water paint has water-fast, wear-resisting, ageing-resistant, anti-xanthochromia, fast drying, the characteristics such as easy to use, so water paint is real Green Product.
The present invention adopts aqueous environment protection paint sprayed panel and stronger aqueous environment protection paint glue coating plywood panel layer, end face and the tenon mouth of spreadability of clone's look, be intended that: one, consider the imbibition problem of OSB directional structure board, this behave is to use the water resistance of glued board, the service life of improving base plate in order to satisfy the OSB composite container baseboard; Two, adopt the wooden color of clone to be intended to reduce the tradesman vision of cloning wood is relied on, and outstanding products panel and edge appearance uniformity, the quality problems such as base plate aberration, grease thoroughly solved; Three, removed the expense cost of client to base plate brush paint part from, realized and the target of client's win-win, made the client more acceptant.
Description of drawings
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Fig. 1 is the assembly structural representation of composite board for bottom board of container embodiment 1 of the present invention.
Fig. 2 is the assembly structural representation of composite board for bottom board of container embodiment 2 of the present invention.
Fig. 3 is the assembly structural representation of composite board for bottom board of container embodiment 3 of the present invention.
Fig. 4 is composite board for bottom board of container preparation method's of the present invention process flow diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is given elaboration further.
Composite board for bottom board of container of the present invention, being staggered by multilayered wood veneer and directional structure board, hot pressing forms after assembly, described directional structure board comprises two-layer at least, the thickness of described directional structure board is 8～18mm, accompanies at least the described Wooden veneer of one deck between the described directional structure board of adjacent two layers; Described face veneer layer, backplane level are Wooden veneer, and described Wooden veneer thickness is 1.0～1.8mm; No more than 13 layers of total number of plies of described Wooden veneer and described directional structure board.
The oriented structure that the present invention is used is called again " oriented wood chipboard (Oriented Strandboard, OSB are called for short OSB) ", the domestic Europe deals that is referred to as.Be to adopt drying, screening, apply the flat long narrow wood shavings of adhesive and additive, a kind of structural panel that hot pressing forms after orienting spreading.Owing to being together cross-laminated layer by layer by many wood chips, so have very high intensity.It has following performance characteristics: 1, have very high physical and mechanical property, and close structure, intensity is high; 2, the triple characteristics that possess resistance to deformation, antistripping, anti-warpage; 3, anticorrosion, mothproof, anti-deformation, fire retardancy is strong; 4, water resistance completely can forever be exposed under natural environment and wet condition; 5, burst size of methanal is extremely low, belongs to real Green Product.6, nail-holding ability is strong, is easy to saw, nail, bores, and opens trogue, plane, file or sanding; 7, have the heat insulation of excellence, defening effect, covering with paint paint performance is good.
The Forest Certification of indication of the present invention is by the orest management activity independently being assessed, whether having been realized good operation with the proof forest.There are FSC, PEFC etc. in more authoritative Forest Certification mechanism.
Below enumerate three kinds of embodiment of the present invention.
[embodiment 1]
A kind of composite board for bottom board of container is the symmetrical structure plate of 9 layers, and wherein 1,2,3,5,7,8,9 is Wooden veneer, and 1,2,8,9 is the rift grain Wooden veneer, and namely the grain direction of these four layers of Wooden veneers is parallel with the length direction of this glued board; 3,5,7 is the band Wooden veneer, and namely the grain direction of these three layers of veneers is vertical with the length direction of this glued board; All the other 4,6 are directional structure board.Wherein the Wooden veneer of panel layer 1 and backplane level 9 is facecloth glue, and band Wooden veneer 3,5,7 is double-sided cloth glue, directional structure board 4,6 and Wooden veneer 2,8 cloth glue not.
[embodiment 2]
A kind of composite board for bottom board of container is the symmetrical structure plate of 9 layers, and wherein 1,2,4,5,6,8,9 is Wooden veneer, and 1,2,5,8,9 is the rift grain Wooden veneer, and namely the grain direction of these five layers of veneers is parallel with the length direction of this glued board; 4,6 is the band Wooden veneer, and namely the grain direction of this two-layer veneer is vertical with the length direction of this glued board; All the other 3,7 are directional structure board.Wherein rift grain Wooden veneer 2,8 and band Wooden veneer 4,6 be double-sided cloth glue, directional structure board 3,7 and Wooden veneer 1,5,9 cloth glue not.
[embodiment 3]
A kind of composite board for bottom board of container is the symmetrical structure plate of 9 layers, and wherein 1,2,4,6,8,9 is Wooden veneer, and 1,2,8,9 is the rift grain Wooden veneer, and namely the grain direction of these five layers of veneers is parallel with the length direction of this glued board; 4,6 is the band Wooden veneer, and namely the grain direction of this two-layer veneer is vertical with the length direction of this glued board; All the other 3,5,7 are directional structure board.Wherein rift grain Wooden veneer 2,8 and band Wooden veneer 4,6 be double-sided cloth glue, directional structure board 3,5,7 and Wooden veneer 1,9 cloth glue not.
In above three kinds of embodiment:
1, Wooden veneer all adopts non-clone wood, and as poplar, pine, Eucalyptus etc. or have the timber of Forest Certification certificate, thickness is 1.0～1.8mm.Panel layer adopts the polymer composite such as the aqueous environment protection paint spraying of the wooden color of clone or glass-fibre reinforced resin or phenolic impregnated nonwoven or phenolic impregnated non-woven paper to carry out facing.
2, directional structure board is the special oriented wood chipboard of producer, and the pre-hardening thickness that falls itself through polishing is to appointed thickness, and its material adopts at least a in the materials such as poplar, pine, Eucalyptus, hardwood, soft weedtree or brush wood.Its number, thickness are selected to be based on the OSB directional structure board and are made forming principle and its internal forces credit cloth, thickness is thinner, the intensity of sandwich layer is more close to surface strength, therefore the OSB plate thickness is thicker, inside and outside strength difference larger (in the situation that pressure is certain) can not satisfy the requirement of container bottom board.therefore, the inventor of this patent draws by lot of experimental data: employing thickness is that OSB directional structure board and the Wooden veneer of 8～18mm is compound, the problem that science has differed greatly inside and outside having dissolved dexterously, and take the design of 2～3 OSB directional structure boards, mainly the mechanics feature of considering the OSB directional structure board: because of the technology mode of OSB directional structure board---the top layer is orienting spreading, sandwich layer is for mating formation at random, cause top layer density larger, and sandwich layer density only has 70～90% of top layer, the shear strength of sandwich layer descends with the increase of thickness of slab, be not suitable for the larger OSB directional structure board of used thickness, stability in order to ensure the bulk strength of composite floor board, therefore determine that taking 2～3 thickness is 8～18mm, density is the OSB directional structure board of 0.65～0.85g/cm3.
3, the number of the assemble pattern of above three kinds of embodiment and directional structure board, thickness selection are thickness and intensity needs according to composite board for bottom board of container, draw through repetition test repeatedly, adopt after testing the intensity of above three kinds of structures and hardness to detect data to be: density is 0.75～0.85g/cm3; Rift grain MOR 95～106MPa, band MOR 40～55MPa; Modulus of elasticity parellel to grain is that 10-12GPa, tangential elastic module are 5-6.5GPa, meets and surpass intensity and the hardness requirement of composite board for bottom board of container national standard (GB/T19536-2004).
Below some test data sheets:
3.1 the collocation mode of directional structure board (OSB)
3.2 the coherent detection data of assemble pattern in the present invention
Wherein
The sign directional structure board; "/" expression rift grain Wooden veneer i.e. grain direction of this Wooden veneer is parallel with the length direction of this glued board; "-" expression band Wooden veneer i.e. grain direction of this Wooden veneer is vertical with the length direction of this glued board.
By above chart data as seen: the selected directional structure board of the present invention (OSB) by the supply producer special, indices meets the container bottom board requirement of strength.Its thickness is 8～18mm, generally adopt 8mm or 11mm or 12mm or 15mm or 18mm, and the number of plies is generally 2～3 layers.
In addition, in above three kinds of examples, what panel layer, backplane level used is non-clone's wood, wherein panel layer is through the water paint facing, also can be as required, with polymer composite or clone's wood or phenolic impregnated nonwoven (paper) or other environment-friendly materials facings such as glass-fibre reinforced resins, and central core is horizontal or vertical Wooden veneer can be adjusted to polymer composite or other environment-friendly materials such as glass-fibre reinforced resin.
Flow chart as shown in Figure 4, composite board for bottom board of container production method of the present invention mainly comprise the steps such as Wooden veneer making, directional structure board polishing, cloth glue, assembly, hot pressing, cutting edge, sanding, mortise, clone's look water paint facing are processed, check warehouse-in.Below the simple elaboration to each step:
1, Wooden veneer processing:
The process of Wooden veneer is consistent with the Wooden veneer process of traditional composite board for bottom board of container, does not do at this and gives unnecessary details.
2, directional structure board polishing:
The present invention's directional structure board (OSB) used is special by supply producer, so its preparation method slightly.The directional structure board polishing is that the pre-hardening thickness sanding that directional structure board surface affect bonding quality is disposed, and according to the requirement of assemble pattern, being polished to appointed thickness is 8～18mm.
3, cloth glue and assembly:
According to the Wooden veneer of embodiment 1 and the compound assemble pattern of directional structure board:
Wherein
Directional structure board is known on the border; "/" expression rift grain Wooden veneer; "-" expression band Wooden veneer.
The Wooden veneer of the 1st and 9 layer carries out facecloth glue, and cloth glue amount is 160～190g/cm2; 3rd, 5 and 7 layers of Wooden veneer carry out double-sided cloth glue, and cloth glue amount is 330～380g/cm2, and the 4th layer, 6 layers directional structure board and the 2nd layer, 8 layers Wooden veneer be cloth glue not.Glue uses the phenolic resin glue meet the container bottom board requirement or other weatherabilities environmental protection glue preferably.
After the 1st layer of Wooden veneer facecloth glue, be furnished with face the 2nd layer, the upper berth Wooden veneer of glue, repaving the Wooden veneer of the 3rd layer of double-sided cloth glue, then spreading not the 4th layer of directional structure board of cloth glue, so operation is till draining into the 9th layer of Wooden veneer by the technique assemble pattern.The Wooden veneer texture should be consistent with assemble pattern.
According to the Wooden veneer of embodiment 2 and the compound assemble pattern of directional structure board:
Wherein
The sign directional structure board; "/" expression rift grain Wooden veneer; "-" expression band Wooden veneer.
2nd, 4,6 and 8 layers of Wooden veneer carry out double-sided cloth glue, and cloth glue amount is 330～380g/cm2, and the 3rd layer, 7 layers directional structure board and the 1st layer, 5 layers, 9 layers Wooden veneer be cloth glue not.Glue uses the phenolic resin glue meet the container bottom board requirement or other weatherabilities environmental protection glue preferably.
After the Wooden veneer of cloth glue does not place with the 1st layer, spread the 2nd layer of two-sided Wooden veneer of crossing glue in the above, repave the 3rd layer and spread the not directional structure board of cloth glue, repave the 4th layer of Wooden veneer of double-sided cloth glue, so operation is till draining into the 9th layer of Wooden veneer by the technique assemble pattern.The Wooden veneer texture should be consistent with assemble pattern.
The cloth glue of embodiment 3 and assemble pattern are with embodiment 2, and just Wooden veneer should be consistent with its assemble pattern with the arrangement mode of directional structure board.
4, assembly gained blank flat carries out hot pressing:
Blank flat under the condition of 120 ℃～155 ℃ of temperature, pressure 1.6～3.5MPa, that assembly is good carries out hot pressing, keeps 15～30min, then pressure drop stage, steam discharge, release.
After completing, hot pressing carries out cutting edge, sanding, mortise, the processing of clone's wood color water paint facing, check warehouse-in, wherein cutting edge, sanding, mortise and check are put in storage consistent with traditional composite board for bottom board of container, do not do at this and give unnecessary details, and only simply set forth cloning wooden color water paint facing processing.
5, the wooden color water paint spraying of clone facing is processed:
To be processed by face veneer layer, edges of boards and tenon mouth position use auto spray painting and drying assembly line that Wooden veneer and directional structure board are combined into, color adopts the wooden color of clone.
As mentioned before, water paint being used for composite board for bottom board of container is container bottom board industry " first eats the environmental protection invention of crab ".Paint is to contain organic volatile and the hypertoxic free TDI toxic heavy metals such as benzene,toluene,xylene, ester class, ketone in solvent-borne type Polyester Paint or nitrate paint, and the diluent of water paint is water, volatile organic solvent is few, it is only 5～10% of solvent-thinned paint, film forming is without curing agent, therefore there is not the volatilization problem of free TDI, and water paint has water-fast, wear-resisting, ageing-resistant, anti-xanthochromia, fast drying, the characteristics such as easy to use, so water paint is real Green Product.
The present invention adopts aqueous environment protection paint sprayed panel and stronger aqueous environment protection paint glue coating plywood panel layer, end face and the tenon mouth of spreadability of clone's look, be intended that: one, consider the imbibition problem of OSB directional structure board, this behave is to use the water resistance of glued board, the service life of improving base plate in order to satisfy the OSB composite container baseboard; Two, adopt the wooden color of clone to be intended to reduce the tradesman vision of cloning wood is relied on, and outstanding products panel and edge appearance uniformity, the quality problems such as floor aberration, grease thoroughly solved; Three, removed the expense cost of client to base plate brush paint part from, realized and the target of client's win-win, made the client more acceptant.
Foregoing; it is only preferred embodiment of the present invention; be not for restriction embodiment of the present invention; those of ordinary skills are according to main design of the present invention and spirit; can carry out very easily corresponding flexible or modification, therefore protection scope of the present invention should be as the criterion with the desired protection domain of claims.
Claims (18)
1. composite board for bottom board of container, being staggered by multilayered wood veneer and directional structure board, hot pressing forms after assembly, it is characterized in that: described directional structure board comprises two-layer at least, the thickness of described directional structure board is 8～18mm, accompanies at least the described Wooden veneer of one deck between the described directional structure board of adjacent two layers; Described face veneer layer, backplane level are Wooden veneer; No more than 13 layers of total number of plies of described Wooden veneer and described directional structure board.
2. composite board for bottom board of container according to claim 1, it is characterized in that: described Wooden veneer adopts non-clone's wood, and described face veneer layer adopts aqueous environment protection paint spraying or glass-fibre reinforced resin polymer composite or phenolic impregnated nonwoven or the phenolic impregnated non-woven paper facing of the wooden color of clone.
3. composite board for bottom board of container according to claim 2 is characterized in that: described Wooden veneer material therefor is at least a in poplar, pine, Eucalyptus or the timber with Forest Certification certificate.
4. composite board for bottom board of container according to claim 2, it is characterized in that: described directional structure board comprises 2～3 layers, described directional structure board material therefor is at least a in poplar, pine, Eucalyptus, hardwood, soft weedtree or brush wood.
5. according to claim 3 or 4 described composite board for bottom board of container, it is characterized in that: total number of plies of described Wooden veneer and described directional structure board is 9 layers, is the rift grain Wooden veneer with described panel layer, sheet material that backplane level is adjacent.
6. composite board for bottom board of container according to claim 5, it is characterized in that: described Wooden veneer and described directional structure board assemble pattern are: rift grain Wooden veneer, rift grain Wooden veneer, band Wooden veneer, directional structure board, band Wooden veneer, directional structure board, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer.
7. composite board for bottom board of container according to claim 6, it is characterized in that: the described Wooden veneer facecloth glue that is positioned at panel layer and backplane level, glue used is the phenolic resins of 40～52% solids contents or other weatherabilities environmental protection glue preferably, and cloth glue amount is 160～190g/cm2; Described band Wooden veneer all carries out double-sided cloth glue, and glue used is the phenolic resins of 40～52% solids contents or other weatherabilities environmental protection glue preferably, and cloth glue amount is 330～380g/cm2; The two-layer rift grain Wooden veneer adjacent with described panel layer, backplane level and described directional structure board be cloth glue not all.
8. composite board for bottom board of container according to claim 5, it is characterized in that: described Wooden veneer and described directional structure board assemble pattern are: rift grain Wooden veneer, rift grain Wooden veneer, directional structure board, band Wooden veneer, rift grain Wooden veneer, band Wooden veneer, directional structure board, rift grain Wooden veneer, rift grain Wooden veneer.
9. composite board for bottom board of container according to claim 8 is characterized in that: with described panel layer, two-layer rift grain Wooden veneer and the equal double-sided cloth glue of described band Wooden veneer that backplane level is adjacent, cloth glue amount is 330～380g/cm2; And the equal cloth glue not of the rift grain Wooden veneer that is positioned at described panel layer, backplane level and the rift grain Wooden veneer that is positioned at intermediate core layer and described directional structure board.
10. composite board for bottom board of container according to claim 5, it is characterized in that: described Wooden veneer and described directional structure board assemble pattern are: rift grain Wooden veneer, rift grain Wooden veneer, directional structure board, band Wooden veneer, directional structure board, band Wooden veneer, directional structure board, rift grain Wooden veneer, rift grain Wooden veneer.
11. composite board for bottom board of container according to claim 10 is characterized in that: with described panel layer, two-layer rift grain Wooden veneer and the equal double-sided cloth glue of described band Wooden veneer that backplane level is adjacent, cloth glue amount is 330～380g/cm2; And be positioned at all cloth glue not of the rift grain Wooden veneer of described panel layer, backplane level and described directional structure board.
12. the production method of a composite board for bottom board of container comprises that Wooden veneer making, directional structure board polishing, cloth glue, assembly, hot pressing, cutting edge, sanding, mortise, facing are processed, check warehouse-in step, it is characterized in that:
A. described directional structure board polishing step is: the surperficial pre-hardening thickness sanding that affects bonding quality of described directional structure board is disposed, and according to the assembly requirement, be polished to appointed thickness 8～18mm;
B. described cloth glue step is: coating meets the glue of container bottom board instructions for use on the described Wooden veneer of part, facecloth glue amount is that 160～190g/cm2, double-sided cloth glue amount are 330～380g/cm2, described glue is phenolic resins or other weatherabilities environmental protection glue preferably, and described directional structure board is cloth glue not all;
C. described assembly step is: from the bottom be backplane level begin by assemble pattern successively in layer upwards the stack of cloth glue until top layer namely panel layer get blank flat;
D. described heat-press step is: described blank flat under the condition of 120 ℃～155 ℃ of temperature, pressure 1.6～3.5MPa, that assembly is good carries out hot pressing, keeps 15～30min, then pressure drop stage, steam discharge, release;
E. described facing treatment step is: will be through aqueous environment protection paint spraying or glass-fibre reinforced resin polymer composite or phenolic impregnated nonwoven or the phenolic impregnated non-woven paper facing of described mortise step gained face veneer layer, edges of boards and the wooden color of tenon mouth position employing clone.
13. the production method of composite board for bottom board of container according to claim 12 is characterized in that: described Wooden veneer and described directional structure board assemble pattern are: rift grain Wooden veneer, rift grain Wooden veneer, band Wooden veneer, directional structure board, band Wooden veneer, directional structure board, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer.
14. the production method of composite board for bottom board of container according to claim 13, it is characterized in that: the described Wooden veneer facecloth glue that is positioned at panel layer and backplane level, glue used is the phenolic resins of 40～52% solids contents or other weatherabilities environmental protection glue preferably, and cloth glue amount is 160～190g/cm2; Described band Wooden veneer all carries out double-sided cloth glue, and glue used is the phenolic resins of 40～52% solids contents or other weatherabilities environmental protection glue preferably, and cloth glue amount is 330～380g/cm2; The two-layer rift grain Wooden veneer adjacent with described panel layer, backplane level and described directional structure board be cloth glue not all.
15. the production method of composite board for bottom board of container according to claim 12 is characterized in that: described Wooden veneer and described directional structure board assemble pattern are: rift grain Wooden veneer, rift grain Wooden veneer, directional structure board, band Wooden veneer, rift grain Wooden veneer, band Wooden veneer, directional structure board, rift grain Wooden veneer, rift grain Wooden veneer.
16. the production method of composite board for bottom board of container according to claim 15 is characterized in that: with described panel layer, two-layer rift grain Wooden veneer and the equal double-sided cloth glue of described band Wooden veneer that backplane level is adjacent, cloth glue amount is 330～380g/cm2; And the equal cloth glue not of the rift grain Wooden veneer that is positioned at described panel layer, backplane level and the rift grain Wooden veneer that is positioned at intermediate core layer and described directional structure board.
17. the production method of composite board for bottom board of container according to claim 12 is characterized in that: described Wooden veneer and described directional structure board assemble pattern are: rift grain Wooden veneer, rift grain Wooden veneer, directional structure board, band Wooden veneer, directional structure board, band Wooden veneer, directional structure board, rift grain Wooden veneer, rift grain Wooden veneer.
18. the production method of composite board for bottom board of container according to claim 17 is characterized in that: with described panel layer, two-layer rift grain Wooden veneer and the equal double-sided cloth glue of described band Wooden veneer that backplane level is adjacent, cloth glue amount is 330～380g/cm2; And be positioned at all cloth glue not of the rift grain Wooden veneer of described panel layer, backplane level and described directional structure board.
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| CN2011103467125A CN103085130A (en) | 2011-11-04 | 2011-11-04 | Plywood for container flooring and production method of plywood |
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| CN2011103467125A CN103085130A (en) | 2011-11-04 | 2011-11-04 | Plywood for container flooring and production method of plywood |
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Application publication date: 20130508 |