CN103362288A - Composite floor and production method thereof - Google Patents
Composite floor and production method thereof Download PDFInfo
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- CN103362288A CN103362288A CN2012100928798A CN201210092879A CN103362288A CN 103362288 A CN103362288 A CN 103362288A CN 2012100928798 A CN2012100928798 A CN 2012100928798A CN 201210092879 A CN201210092879 A CN 201210092879A CN 103362288 A CN103362288 A CN 103362288A
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- wooden veneer
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Abstract
The invention relates to a composite floor which comprises a base board formed through gluing and face board layers arranged on at least one of the upper surface and the lower surface of the base board. The base board is formed by assembling and hot pressing at least one oriented structure oriented strand board (OSB) and at least one single board, the single board is at least one of a rift grain wood single board, a cross grain wood single board, a fiber presoaked fabric or a fiber felt, and the face board layers are made of fiber reinforced resin matrix composite material fiber reinforce plastic (FRP) boards. The invention further relates to a production method of the composite floor. The composite floor and the production method of the composite floor are favorable for improving the production efficiency and controlling the floor appearance quality, and the adopted raw materials have excellent environmental protection property, processing property and surface property. The composite floor can be widely applied to container floors, vehicle floors, floors for the oceanographic engineering and the like, and only different assembling modes need to be adopted according to specific strength and thickness requirements.
Description
Technical field
The present invention relates to technical field of floor, especially relate to a kind of industrial composite floor board and preparation method thereof.
Background technology
Industrial floor mainly comprises veneer and steel floor at present.Traditional veneer generally is that timber is cut into some millimetre-sized veneers, by hot press its hot-press gluing is formed again, but wooden plywood generally will finish twenties layers of Wooden veneer through tens of procedures, operation is loaded down with trivial details, labour intensity is high, production efficiency is low, and human factor is larger, is unfavorable for the raising of constant product quality.In addition, the raw material of wooden plywood are mainly take the leaf wood of virgin forest as main, and doping small part fast-growing woods soft wood, and the surface is wood materials or similar nonwoven adhesive film material, and is easily destroyed, affects application life.Steel floor production is simple, but has the problems such as steel are too heavy, energy consumption is high, not corrosion-resistant, yielding, progressively is eliminated.
Chinese patent 201020272078.6, a kind of fiber reinforced container bottom plate discloses a kind of basalt fibre net/cloth that adopts as the container bottom board of the surperficial reinforcing material of wooden plywood.Chinese patent 96232232.6, fibre reinforced composite bottom board of container discloses a kind of sandwich composite container baseboard that adopts glass-fiber-fabric, nylon cloth, polyamide fabric to strengthen as the surface.The wooden plywood of the base materials employed part of foregoing invention patent is that conventional glued board producing method is made, technique is relatively backward, and efficient is low, belongs to labor-intensive industry, operability is relatively poor, and cementing effective solution is carried out at the interface that does not propose composite material and wooden part.
Summary of the invention
The object of the invention is to solve the problem and shortage that above-mentioned prior art exists, a kind of composite floor board and preparation method thereof is provided, be conducive to the raising of production efficiency and the control of floor apparent mass, and raw materials have excellent environmental-protecting performance, processing characteristics and surface property.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of composite floor board, comprise mutually the substrate of gummed and be arranged at this upper surface of base plate, the soffit panel layer on one of at least, described substrate is formed by hot pressing behind one deck oriented structure OSB plate at least and one deck veneer assembly at least, described veneer is at least a in rift grain Wooden veneer or band Wooden veneer or fiber prepreg cloth or the fibrofelt, and described panel layer is fiber-reinforced resin matrix compound material FRP.
Described composite floor board, wherein, described substrate comprises two-layer at least described oriented structure OSB plate, be provided with the described rift grain Wooden veneer of one deck or band Wooden veneer or fiber prepreg cloth or fibrofelt between the described oriented structure OSB of the adjacent two layers plate, the surface layer of described substrate and bottom are the rift grain Wooden veneer.
Described composite floor board, wherein, the surface layer of described substrate or bottom or surface layer and bottom offer a plurality of notches along its grain direction, and the cross sectional shape of described notch is semicircle or square.
Described composite floor board, wherein, the radius of described notch or width are 1～3mm, and groove depth is 0.5～3mm, and the spacing between the adjacent two described notches is 20～50mm.
Described composite floor board wherein, adopts dual-component polyurethane adhesive to glue together mutually between described substrate and the described fiber-reinforced resin matrix compound material FRP plate.
Described composite floor board, wherein, described oriented structure OSB plate adopts at least a the making in quick growth poplar wood, pine, hardwood, soft weedtree or the brushwood, and thickness is 8～25mm.
Described composite floor board, wherein, described fiber-reinforced resin matrix compound material FRP plate is to adopt continuous composite material sheet material preparation technology to make by continuous fiber, chopped felt and food level resin, described continuous fiber warp-knitting unidirectional or multiaxial fabric are made, used continuous fiber is at least a in the artificial or synthetic fibers of glass fiber, carbon fiber, aramid fiber or other, and described food level resin is at least a in unsaturated polyester resin, vinylite, epoxy resin or the polyurethane; The fiber quality content of described FRP plate is 40～70%.
Described composite floor board, wherein, the assemble pattern of described composite floor board can be FRP plate, rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, FRP plate.
Described composite floor board, wherein, the assemble pattern of described composite floor board can be FRP plate, rift grain Wooden veneer, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer.
Described composite floor board, wherein, the assemble pattern of described composite floor board can be FRP plate, rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate.
Described composite floor board, wherein, the assemble pattern of described composite floor board can be rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate.
Described composite floor board, wherein, the assemble pattern of described composite floor board can be FRP plate, rift grain Wooden veneer, rift grain Wooden veneer, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate.
Described composite floor board wherein, is coated with one deck polyurethane (urea) surfacing on the upper surface of described composite floor board.
A kind of preparation method of composite floor board comprises the hot pressing composite steps of substrate preparation process, FRP plate preparation process, FRP plate and substrate, wherein.
A, described substrate preparation process are: by the assemble pattern assembly of described composite floor board and adopt the heat pressing process gummed to make.
B, described FRP plate preparation process are: one deck to multilayer continuous fiber, chopped felt and food level resin carried out laying, and adopt continuous composite material sheet material preparation technology to make.
The hot pressing composite steps of C, described FRP plate and substrate comprises: the surfacing of c1, described substrate: upper surface, soffit or upper and lower surface to described substrate are carried out sanding, and offer a plurality of notches in upper surface, soffit or the upper and lower surface of described substrate along the wood grain length direction, the cross sectional shape of described notch is semicircle or square groove; The roughening of the bonding plane of c2, described FRP plate is processed: adopt Special sander that the bonding plane of described FRP plate is carried out the roughening processing; C3, cloth glue and cold pressing treatment: two component polyurethane is mixed according to certain ratio, evenly be coated on the bonding plane of described FRP plate and substrate, coated weight is 300～800g/m2, the blank flat of colding pressing to get after both are bonding, the pressure of colding pressing is 0.5～2MPa, and the time of colding pressing is 5～20min; C4, hot-press solidifying: will carry out hot pressing through the described blank flat of colding pressing, hot pressing pressure is 0.5～2MPa, and hot pressing time is 15～40min, and hot pressing temperature is 60 ℃～80 ℃; Cool off after hot pressing is finished and got product in 1～3 hour.
The preparation method of described composite floor board, wherein, in the described FRP plate preparation process, described continuous fiber warp-knitting unidirectional or multiaxial fabric are made; Described continuous fiber is at least a in the artificial or synthetic fibers of glass fiber, carbon fiber, aramid fiber or other; Described food level resin is at least a in unsaturated polyester resin, vinylite, epoxy resin or the polyurethane; The fiber quality content of described FRP plate is 40～70%.
The preparation method of described composite floor board, wherein, described preparation method also comprises the upper surface treatment step of described composite floor board: the upper surface of described composite floor board adopts the solvent-free spraying technology spraying polyurethane of high pressure (urea), and coating thickness is 0.5～2mm.
The preparation method of described composite floor board, wherein, described preparation method also further comprises the edge sealing treatment step of described composite floor board: described composite floor board carries out edge sealing with environment-friendly water-based lacquer or polyurethane to be processed.
The preparation method of described composite floor board, wherein, the thickness of described FRP plate is 1～2mm, the thickness of described substrate is 24～27mm.
Compared with prior art, composite floor board of the present invention and preparation method thereof has the following advantages.
One, the brand-new mode of production: the present invention is take oriented structure OSB plate as substrate; take fiber-reinforced resin matrix compound material FRP plate and/or one deck polyurethane (urea) surfacing as panel layer; the raw material of having realized traditional floor substitute, for new thinking has been started in the protection of natural environment.In addition, adopt FRP plate and oriented structure OSB plate to glue together, add polyurethane (urea) surfacing, not only remedied the deficiency of the mechanical properties such as OSB plate strength and modulus is low, also greatly improved the apparent mass of product.
Two, the feature of environmental protection: substrate of the present invention adopts oriented structure OSB plate, its raw material is mainly undersized log, fast-growing thinnings of soft pin, broad-leaved wood etc., such as eucalyptus, China fir, poplar thinnings etc., wide material sources, its resin adopts the MDI(methyl diphenylene diisocyanate) glue and do not contain formaldehyde, guaranteed the environmental-protecting performance of OSB plate.Fiber-reinforced resin matrix compound material FRP plate adopts food level resin.And the primary raw material of the used main material glass fiber of the present invention is: quartz sand, alumina and pyrophyllite, limestone, dolomite, boric acid, soda ash, saltcake, fluorite etc., therefore no matter on raw material sources and functional performance, the composite floor board feature of environmental protection of the present invention all is that former technique is incomparable.And used adhesive for polyurethane, OSB plate all is the environment-friendly materials of generally acknowledging in the world between used surfacing polyurethane (urea) elastic body and substrate and the FRP panel layer.
Three, processability: three aspects such as the processing characteristics that preparation method of the present invention is good is mainly reflected in that wooden substrate is compound, the preparation of FRP plate and surfacing.
3. polyurethane (urea) elastic body spraying aspect: adopt the solvent-free spraying technology of high pressure, can realize pipelining, advanced technology, quick solidifying, simple to operate.
Said process all can be realized the streamline production operation, efficiently solves the problems such as production efficiency, reduction labour intensity, minimizing human cost.
Four, surface property: composite floor board of the present invention as required thereon the surface adopt FRP plate or spraying polyurethane (urea) elastic body, have
The performances such as excellent waterproof, fire prevention, anti-skidding, wear-resisting, corrosion-resistant, shock resistance, product surface is non-lipophilicity substance, and good self-cleaning function is arranged, and can not become rotten by living bacterium;
Can adjust shades of colour according to customer requirement, and colour stable is good.
Raw material environmental protection, preparation method's environmental protection, product contamination-free discharge;
Good MOR and modulus of elasticity; 5. to have reaction speed fast for surface coating polyurethane, and gel time is short, and sprayed coating is without seam, and the non skid matting self-assembling formation also has excellent physical and chemical performance.
Description of drawings
Fig. 1 is that the composite floor board of the embodiment of the invention 1 adopts substrate and the two-sided compound structural representation of FRP plate that comprises individual layer oriented structure OSB plate.
Fig. 2 is that the composite floor board of the embodiment of the invention 2 adopts the compound structural representation of the substrate comprise double-deck oriented structure OSB plate and FRP plate single face.
Fig. 3 is that the composite floor board of the embodiment of the invention 3 adopts substrate and the two-sided compound structural representation of FRP plate that comprises double-deck oriented structure OSB plate.
Fig. 4 is that the composite floor board of the embodiment of the invention 4 adopts the compound structural representation of the substrate comprise three layers of oriented structure OSB plate and FRP plate single face.
Fig. 5 is that the composite floor board of the embodiment of the invention 5 adopts substrate and the two-sided compound structural representation of FRP plate that comprises three layers of oriented structure OSB plate.
Fig. 6 is the structural representation of substrate institute otch in the composite floor board of the present invention.
Among the figure:
Representative " FRP plate ".
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is given further elaboration.
Composite floor of the present invention comprises mutually the substrate of gummed and is arranged at this upper surface of base plate, the soffit panel layer on one of at least.Wherein, substrate by oriented structure OSB plate and veneer assembly after hot pressing form.The oriented structure OSB plate 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 bonding adhesive and additive, a kind of structural panel that hot pressing forms behind orienting spreading.Owing to being together cross-laminated layer by layer by many wood chips, so have very high intensity.Its material therefor is undersized log, fast-growing thinnings of soft pin, broad-leaved wood etc., is prepared from such as in poplar, pine, hardwood, soft weedtree and the brushwood thereof one or more, and general thickness is 8～25mm, and density is 0.65g/cm
3About.And veneer is at least a in Wooden veneer or fiber prepreg cloth or the fibrofelt.Wherein, Wooden veneer adopts has a kind of in the FSC Forest Certification timber, and such as poplar, beech etc., veneer thickness is 0.8～2mm.
In the composition of substrate, comprise at least one deck oriented structure OSB plate and one deck veneer at least, the several certificates of ply specifically need and decide.When substrate comprises two-layer at least oriented structure OSB plate, can be provided with a kind of of rift grain Wooden veneer, band Wooden veneer, fiber prepreg cloth or fibrofelt between the adjacent two-layer oriented structure OSB plate, the surface layer of substrate and bottom then are the rift grain Wooden veneer.
And panel layer adopts following two kinds of structures.
The first: panel layer is arranged on upper surface of base plate or the soffit, perhaps arranges simultaneously in upper and lower surface.Panel layer is fiber-reinforced resin matrix compound material FRP plate, fiber-reinforced resin matrix compound material FRP (Fiber Reinforced Plastics) is fiber-reinforced plastic, to adopt continuous composite material sheet material preparation technology to make by continuous fiber, chopped felt and food level resin, continuous fiber warp-knitting unidirectional or multiaxial fabric are made, used continuous fiber is at least a in the artificial or synthetic fibers of glass fiber, carbon fiber, aramid fiber or other, its fiber quality content is 40～70%, and thickness is 0.5～2mm.Fiber adopts the plain of 450g/m2 and the fibrofelt of 200g/m2.
In existing composite floor board, bonding problem between substrate and panel layer interface is the key factor that hinders its overall performance to improve always, because both self different coefficient of thermal expansion and chemical reaction characteristic, topmost mode of failure is exactly layering when stressed, and particularly two kinds of unlike materials of FRP plate and wood materials carry out bonding compound.And adopting dual-component polyurethane adhesive to glue together mutually between the substrate of composite floor board of the present invention and the FRP plate, the adhesive coated weight is 300～800g/m
2This two component polyurethane operable time can be regulated according to process requirements, with FRP plate and timber good adhesive property is arranged, and its mechanical strength is large, ageing-resistant, weatherability strong, good springiness, when bearing dynamic load, has good recovery Memorability, can reach 15～20 years application life, solved the bonding problem between substrate and panel layer interface.
The second: panel layer is arranged on upper surface of base plate or the soffit, perhaps arranges simultaneously in upper and lower surface.Then the upper surface of flaggy sprays polyurethane (urea) elastic body that one deck has high abrasion, decay resistance more in the above, the floor of dissymmetrical structure is when being subjected to load like this, upper surface/soffit provides powerful anti-impact force, compressive stress, soffit/upper surface provides powerful tensile stress, can bring into play to greatest extent that fortifying fibre is high-strength, the performance of Gao Mo, with the flexural deformation on opposing floor, effectively remedy the deficiency of OSB plate mechanical property.
In addition, as shown in Figure 6, surface layer or bottom at substrate, or offer a plurality of notches 20 at surface layer and bottom along (as shown by arrows in FIG.) on the grain direction of himself simultaneously, and the cross sectional shape of notch 20 can be semicircle or square, and shown in the figure is semicircle, the radius of notch 20 or width are 1～3mm, groove depth is 0.5～3mm, and the spacing between the two adjacent notches is that L is 20～50mm, and the length of notch 20 can be identical with the length of substrate.Be conducive to like this increase bond area and the mutual grasp of adhesive and substrate surface, improve adhesive strength.
The below lists the embodiment (the number designation representative forms the different numbers of plies on floor in Fig. 1～5) of several typical substrates and FRP plate composite floor board assemble pattern.
As shown in Figure 1, the composite floor board of the embodiment of the invention 1 adopts and comprises that substrate and the FRP plate of individual layer oriented structure OSB plate are two-sided compound, and panel layer is symmetrical structure, and surface course is fibre reinforced composites FRP plate.Concrete assemble pattern be (by 1,2,3,4,5,6 layer arranged sequentially from top to bottom): FRP plate, rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, FRP plate, always the number of plies is 6 layers.Wherein the thickness of FRP plate is 1～2mm, and the thickness of substrate is 24～26mm.
As shown in Figure 2, the composite floor board of the embodiment of the invention 2 adopts and to comprise that the substrate of double-deck oriented structure OSB plate and FRP plate single face are compound, and panel layer is unsymmetric structure, above flaggy be fibre reinforced composites FRP plate.Concrete assemble pattern be (by 1,2,3,4,5,6,7,8 layer arranged sequentially from top to bottom): FRP plate, rift grain Wooden veneer, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer, always the number of plies is 8 layers.Wherein, the thickness of FRP plate is 1～2mm, and the thickness of substrate is 26～27mm.
As shown in Figure 3, the composite floor board of the embodiment of the invention 3 adopts and to comprise that the substrate of double-deck oriented structure OSB plate and FRP plate are two-sided compound, and panel layer is symmetrical structure, and the top and bottom flaggy is fibre reinforced composites FRP plate.Concrete assemble pattern be (by 1,2,3,4,5,6,7,8,9 layer arranged sequentially from top to bottom): FRP plate, rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate, always the number of plies is 9 layers.Wherein, the thickness of FRP plate is 1～2mm, and the thickness of substrate is 24～26mm.
As shown in Figure 4, the composite floor board of the embodiment of the invention 4 adopts and to comprise that the substrate of three layers of oriented structure OSB plate and FRP plate single face are compound, and panel layer is unsymmetric structure, below flaggy be fibre reinforced composites (FRP) plates.Concrete assemble pattern be (by 1,2,3,4,5,6,7,8,9 layer arranged sequentially from top to bottom): rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate, always the number of plies is 9 layers.Wherein, the thickness of FRP plate is 1～2mm, and the thickness of substrate is 26～27mm.
As shown in Figure 5, the composite floor board of the embodiment of the invention 5 adopts and to comprise that the substrate of three layers of oriented structure OSB plate and FRP plate are two-sided compound, and panel layer is for being symmetrical structure, and the top and bottom flaggy is fibre reinforced composites FRP plate.Concrete assemble pattern be (by 1,2,3,4,5,6,7,8,9,10,11 layer arranged sequentially from top to bottom): FRP plate, rift grain Wooden veneer, rift grain Wooden veneer, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate, always the number of plies is 11 layers.Wherein the thickness of FRP plate is 1～2mm, and the thickness of substrate is 24～26mm.
Need to prove, as can be seen from the above embodiments, the thickness of FRP plate is 1～2mm, and the thickness of substrate is between 24～27mm.The FRP plate of composite floor board of the present invention and the assemble pattern of substrate include but not limited to above several embodiment, can be according to purposes different or different clients to the requirement of performance with raw-material different, be optimized design.
The below describes the preparation method of the composite floor board among the above embodiment in detail, and it comprises the hot pressing composite steps of substrate preparation process, FRP plate preparation process, FRP plate and substrate, wherein.
A, substrate preparation process: adopt the preparation technology of conventional veneer boards, according to the assemble pattern assembly of composite floor board and adopt the heat pressing process gummed to make.Because the preparation technology of conventional veneer boards has been prior art, therefore be not described in detail in this.
B, FRP plate preparation process: one deck to multilayer continuous fiber, chopped felt and food level resin carried out laying, and adopt continuous composite material sheet material preparation technology to make, because continuous composite board preparation technology also is traditional preparation technology, also no longer describe in detail at this.
The hot pressing composite steps of C, FRP plate and substrate comprises: the surfacing of c1, substrate: upper surface, soffit or upper and lower surface to substrate are carried out sanding, and offer a plurality of notches in upper surface, soffit or the upper and lower surface of substrate along the wood grain length direction, the cross sectional shape of notch is semicircle or square groove, the radius of notch or width, adjacent two spacing is 25～50mm, and groove depth is 0.5～3 mm; The roughening of the bonding plane of c2, FRP plate is processed: adopt Special sander that the bonding plane of described FRP plate is carried out the roughening processing; C3, cloth glue and cold pressing treatment: two component polyurethane is mixed according to certain ratio, evenly be coated on the bonding plane of FRP plate and substrate, its coated weight is 300～800g/m2, colds pressing after both are bonding, the pressure of colding pressing is 0.5～2.0MPa, and the time of colding pressing is 5～20min; C4, hot-press solidifying: will carry out hot pressing through the blank flat of colding pressing, hot pressing pressure is 0.5～2.0MPa, and hot pressing time is 15～40min, and hot pressing temperature is 60 ℃～80 ℃; Cool off after hot pressing is finished and got product in 1～3 hour.
In above-mentioned FRP plate preparation process, described continuous fiber warp-knitting unidirectional or multiaxial fabric are made; Described continuous fiber is at least a in the artificial or synthetic fibers of glass fiber, carbon fiber, aramid fiber or other; Described food level resin is at least a in unsaturated polyester resin, vinylite, epoxy resin, the polyurethane; The fiber quality content of described FRP plate is 40～70%.
Further, the preparation method of composite floor board of the present invention also comprises the upper surface treatment step of composite floor board: namely the upper surface at composite floor board adopts the solvent-free spraying technology spraying polyurethane of high pressure (urea) elastic body, this elastic body is solvent-free dual-component polyurethane, and coating thickness is 0.5～2mm.The present invention is used for composite floor board with this technology first.Polyurethane (urea) elastic body properties is remarkable: shore hardness is between 50～90 after the film forming; Tearing strength is more than or equal to 560N/cm; Hot strength is greater than 10MPa; Gel time is 10～90s; Also have simultaneously excellent corrosion resistance and abrasion resistance, the concentrated sulfuric acid that can anti-98% and 50% NaOH according to the method for testing of anti-wear performance among the GB/T17657-1999, are that the 70r/min revolution is under the 10000r condition at rotating speed, and surface coating is without obvious damage.
Further, the preparation method of composite floor board of the present invention also comprises the edge sealing processing: the performance of considering the moisture absorption expansion effects floor of OSB plate, on the technique of the present invention specialized designs carry out edge sealing with environment-friendly water-based lacquer or polyurethane, its water resistance is more outstanding than normal wood floor.
What need to further specify is, the elastomeric processing mode of the solvent-free spraying technology spraying polyurethane of high pressure (urea) is adopted on the composite floor board surface of 1～5 kind of structure of above-mentioned example, specifically adopted high pressure without air automatic spraying technology, this spraying technology is the state-of-the-art spraying method in the present whole world, its principle is with A, B two component coatings place respectively two barrels, carry out respectively as required heat treatment, again via high-pressure metering pump and spray gun spraying to floor surface, spray pressure is generally greater than 10MPa, the spraying process on surface is then at the uniform velocity finished on the floor by spray gun with the streamline form, its coating thickness is 0.5～2mm, and it is thin that this high pressure painting technology has an atomization particle, the advantage that the loss of material of dispersing is few.
Composite floor board of the present invention can be widely used in container floor, vehicle with floor and ocean engineering with the floor etc.As long as adopt different assemble patterns according to the concrete intensity of using, thickness requirement.
Foregoing; it only is 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 floor board, comprise mutually the substrate of gummed and be arranged at this upper surface of base plate, the soffit panel layer on one of at least, described substrate is formed by hot pressing behind one deck oriented structure OSB plate at least and one deck veneer assembly at least, it is characterized in that, described veneer is at least a in rift grain Wooden veneer or band Wooden veneer or fiber prepreg cloth or the fibrofelt, and described panel layer is fiber-reinforced resin matrix compound material FRP plate.
2. composite floor board according to claim 1, it is characterized in that, described substrate comprises two-layer at least described oriented structure OSB plate, be provided with the described rift grain Wooden veneer of one deck or band Wooden veneer or fiber prepreg cloth or fibrofelt between the described oriented structure OSB of the adjacent two layers plate, the surface layer of described substrate and bottom are the rift grain Wooden veneer.
3. composite floor board according to claim 2 is characterized in that, the surface layer of described substrate or bottom or surface layer and bottom offer a plurality of notches along its grain direction, and the cross sectional shape of described notch is semicircle or square.
4. composite floor board according to claim 3 is characterized in that, the radius of described notch or width are 1～3mm, and groove depth is 0.5～3mm, and the spacing between the adjacent two described notches is 20～50mm.
5. composite floor board according to claim 4 is characterized in that, adopts dual-component polyurethane adhesive to glue together mutually between described substrate and the described fiber-reinforced resin matrix compound material FRP plate.
6. composite floor board according to claim 5 is characterized in that, described oriented structure OSB plate adopts at least a the making in quick growth poplar wood, pine, hardwood, soft weedtree or the brushwood, and thickness is 8～25mm.
7. composite floor board according to claim 6, it is characterized in that, described fiber-reinforced resin matrix compound material FRP plate is to adopt continuous composite material sheet material preparation technology to make by continuous fiber, chopped felt and food level resin, described continuous fiber warp-knitting unidirectional or multiaxial fabric are made, used continuous fiber is at least a in the artificial or synthetic fibers of glass fiber, carbon fiber, aramid fiber or other, and described food level resin is at least a in unsaturated polyester resin, vinylite, epoxy resin or the polyurethane; The fiber quality content of described FRP plate is 40～70%.
8. composite floor board according to claim 7 is characterized in that, the assemble pattern of described composite floor board is: FRP plate, rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, FRP plate.
9. composite floor board according to claim 7, it is characterized in that, the assemble pattern of described composite floor board is: FRP plate, rift grain Wooden veneer, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer.
10. composite floor board according to claim 7, it is characterized in that, the assemble pattern of described composite floor board is: FRP plate, rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, band Wooden veneer, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate.
11. composite floor board according to claim 7, it is characterized in that, the assemble pattern of described composite floor board is: rift grain Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, band Wooden veneer, oriented structure OSB plate, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate.
12. composite floor board according to claim 7, it is characterized in that, the assemble pattern of described composite floor board is: FRP plate, rift grain Wooden veneer, rift grain Wooden veneer, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, fiber prepreg cloth or fibrofelt, oriented structure OSB plate, rift grain Wooden veneer, rift grain Wooden veneer, FRP plate.
13. to 12 each described composite floor boards, it is characterized in that according to claim 1, be coated with one deck polyurethane (urea) surfacing on the upper surface of described composite floor board, coating thickness is 0.5～2mm.
14. the preparation method such as each described composite floor board of claim 1 to 12 comprises it is characterized in that the hot pressing composite steps of substrate preparation process, FRP plate preparation process, FRP plate and substrate,
A, described substrate preparation process are: by the assemble pattern assembly of described composite floor board and adopt the heat pressing process gummed to make;
B, described FRP plate preparation process are: one deck to multilayer continuous fiber, chopped felt and food level resin carried out laying, and adopt continuous composite material sheet material preparation technology to make;
The hot pressing composite steps of C, described FRP plate and substrate comprises:
The surfacing of c1, described substrate: upper surface, soffit or upper and lower surface to described substrate are carried out sanding, and offer a plurality of notches in upper surface, soffit or the upper and lower surface of described substrate along the wood grain length direction, the cross sectional shape of described notch is semicircle or square groove;
The roughening of the bonding plane of c2, described FRP plate is processed: adopt Special sander that the bonding plane of described FRP plate is carried out the roughening processing;
C3, cloth glue and cold pressing treatment: two component polyurethane is mixed according to certain ratio, evenly be coated on the bonding plane of described FRP plate and substrate, coated weight is 300～800g/m2, the blank flat of colding pressing to get after both are bonding, the pressure of colding pressing is 0.5～2MPa, and the time of colding pressing is 5～20min;
C4, hot-press solidifying: will carry out hot pressing through the described blank flat of colding pressing, hot pressing pressure is 0.5～2MPa, and hot pressing time is 15～40min, and hot pressing temperature is 60 ℃～80 ℃; Cool off after hot pressing is finished and got product in 1～3 hour.
15. the preparation method of composite floor board according to claim 14 is characterized in that, in the described FRP plate preparation process, described continuous fiber warp-knitting unidirectional or multiaxial fabric are made; Described continuous fiber is at least a in the artificial or synthetic fibers of glass fiber, carbon fiber, aramid fiber or other; Described food level resin is at least a in unsaturated polyester resin, vinylite, epoxy resin or the polyurethane; The fiber quality content of described FRP plate is 40～70%.
16. the preparation method of composite floor board according to claim 15, it is characterized in that, described preparation method also comprises the upper surface treatment step of described composite floor board: the upper surface of described composite floor board adopts the solvent-free spraying technology spraying polyurethane of high pressure (urea), and coating thickness is 0.5～2mm.
17. the preparation method of composite floor board according to claim 16 is characterized in that, described preparation method also further comprises the edge sealing treatment step of described composite floor board: described composite floor board carries out edge sealing with environment-friendly water-based lacquer or polyurethane to be processed.
18. the preparation method of composite floor board according to claim 17 is characterized in that, the thickness of described FRP plate is 1～2mm, and the thickness of described substrate is 24～27mm.
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Address after: 314100 No. 177, Xiang Jia Road, Li Ze town, Wei Tang Town, Jiashan County, Jiaxing, Zhejiang Co-patentee after: New environmental protection material Limited by Share Ltd Patentee after: Jiaxing CIMC Wood Co., Ltd. Co-patentee after: Chinese International Marine Container (Group) Co., Ltd. Address before: 314100 No. 177, Xiang Jia Road, Li Ze town, Wei Tang Town, Jiashan County, Jiaxing, Zhejiang Co-patentee before: CIMC Wood Development Co.,Ltd. Patentee before: Jiaxing CIMC Wood Co., Ltd. Co-patentee before: Chinese International Marine Container (Group) Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 314100 north side of Building 8, No. 2 Taisheng Avenue, Huimin street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Zhongji Technology Development Co.,Ltd. Patentee after: CIMC ECO MATERIAL SUPPLY CO.,LTD. Patentee after: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. Address before: 314100 No. 177, Xiang Jia Road, Li Ze town, Wei Tang Town, Jiashan County, Jiaxing, Zhejiang Patentee before: JIAXING CIMC WOOD Co.,Ltd. Patentee before: CIMC ECO MATERIAL SUPPLY CO.,LTD. Patentee before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. |