CN104631758A - Wood-plastic composite floor and manufacturing method thereof - Google Patents
Wood-plastic composite floor and manufacturing method thereof Download PDFInfo
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- CN104631758A CN104631758A CN201510016923.0A CN201510016923A CN104631758A CN 104631758 A CN104631758 A CN 104631758A CN 201510016923 A CN201510016923 A CN 201510016923A CN 104631758 A CN104631758 A CN 104631758A
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Abstract
The invention relates to a floor and a manufacturing method thereof, in particular to a wood-plastic composite floor and a manufacturing method thereof. The problem that a wood-plastic floor is low in intensity and high in density, creeping can happen easily, and the wood-plastic floor is not suitable for being used as a large-span floor. The method comprises the steps that a. a wooden core is prepared; b. thermoplasticity wood-plastic composite material parent stock is prepared, the wood-plastic composite material parent stock is subjected to fusion through co-extrusion equipment which can feed the wooden core, the parent stock and the wooden core are subjected to extrusion together to form proximate matter; c. the proximate matter formed in the step b is cut into floor blocks; and d. the end faces of the floor blocks in the step c are sealed. The high-intensity wood-plastic composite floor can be manufactured, the floor cannot crack, warping and deforming are avoided, mildewing rotting is avoided, and pollution is avoided.
Description
Technical field
The present invention relates to floor and manufacture method thereof, be specifically related to a kind of wood-plastic composite floor and manufacture method thereof.
Background technology
Manufacture the method on wood and plastic composite (WPC) floor in prior art based on extrusion molding, mold pressing or the means such as bonding, the Wood-plastic floor produced exists that intensity is less is not suitable for use in the deficiency such as large span floor, heavy greatly and too, the easy generation creep of density.And wooden floor of the prior art, solid wooden compound floor, impregnated-paper laminated wood floor, bamboo flooring, cork flooring, the manufacture on the floors such as bamboo compound floor is all limited by again the specification of material, need to use a large amount of adhesives to carry out on floor base material in the fabrication process bonding, its glue-line of these floors through bond processing easily exposes in atmosphere, the glue-line exposed on the one hand can along with the decomposition of adhesive and volatilization continue to environment, after the hydrone in air enters glue-line or timber, floor is very easily made to ftracture on the other hand, warpage, distortion, intensity declines and the defect such as rotten of going mouldy.What kind of new method to produce the floor that can solve the problem with, be a difficult problem of the prior art.
Summary of the invention
The present invention solves that Wood-plastic floor intensity is low, density is large and easy creep is not suitable for use in the problem on large span floor, and then proposes a kind of wood-plastic composite floor and manufacture method thereof.The technical scheme that the present invention takes is: adopt reel and thermoplastic wood-plastic composite to produce formed floor board through melting co-extrusion, the method comprises the step a preparing reel; Prepare thermoplastic wood-plastic composite masterbatch and also pass through the coextrusion of reel described in energy feeding by the melting of described wood plastic composite masterbatch, and be jointly extruded into the step b of section bar with described reel; The described section bar obtained through step b is cut into the step c of floor board block; And the end face of floor board block described in step c is carried out the steps d closed.
A kind of wood-plastic composite floor that can solve the problem is present invention also offers based on said method, this floor makes floor by thermoplastic wood-plastic composite through melt extruding technique, be characterised in that and comprise the shell that thermoplastic wood-plastic composite wood is formed and the stratum nucleare be made up of tabular reel, the stratum nucleare that described tabular reel is formed is coated by described thermoplastic wood-plastic composite shell, and the stratum nucleare end that described tabular reel is formed has the confining bed be connected with described shell.
By feeding reel in coextrusion wood plastic composite masterbatch and described reel be extruded into section bar jointly, make reel substitute a part of wood mould and become structural meterials, the wood-plastic composite floor intensity processed is improved, and solves the less problem being not suitable for use in large span floor of normal wood plastic composite floor intensity; By co-extrusion the floor board block end face after cutting closed, the hydrone that can solve in air enters the problem of glue-line or wood cell, thus make floor have water resistance, avoid floor cracking, warpage, distortion, intensity declines and the generation of the problem such as rotten of going mouldy.
Accompanying drawing explanation
Fig. 1 is manufacture method schematic flow sheet of the present invention;
Fig. 2 is a kind of product structure schematic diagram produced according to the inventive method;
Fig. 3 is the co-extruding mould section bar discharge end sectional view that the present invention uses.
Detailed description of the invention
Detailed description of the invention 1: a kind of manufacture method of wood-plastic composite floor described in present embodiment, comprises the step a preparing reel; Prepare thermoplastic wood-plastic composite masterbatch and also pass through the coextrusion of reel described in energy feeding by the melting of described wood plastic composite masterbatch, and be jointly extruded into the step b of section bar with described reel; The described section bar obtained through step b is cut into the step c of floor board block; And the end face of floor board block described in step c is carried out the steps d closed.
The technique effect of present embodiment is: by feeding reel in coextrusion wood plastic composite masterbatch and described reel be extruded into section bar jointly, make reel substitute a part of wood mould and become structural meterials, the wood-plastic composite floor intensity processed is improved, be suitable as large span floor, solve the less problem being not suitable for use in large span floor of wood-plastic composite floor intensity; By co-extrusion the floor board block end face after cutting closed, the hydrone that can solve in air enters the problem of glue-line or wood cell, thus make floor have water resistance, avoid floor cracking, warpage, distortion, intensity declines and the generation of the problem such as rotten of going mouldy.
Detailed description of the invention 2: the difference of present embodiment and detailed description of the invention 1 is that the processing method of reel described in step a is, first solid wood two ends after the drying obtain with milling head processing the finger tenon mutually coincide, again with the finger tenon mutually coincide described in polyvinyl acetate fat liquor, acrylic resin, acrylic acid-polyurethane resin, isocyanates, melamine-urea aldehyde, urea-formaldehyde glue or phenol glue process, then at described solid wood two ends, the pressure applied in opposite directions makes the parallel or head and the tail splicing of described solid wood, after adhesive solidification, namely obtain reel.
The technique effect of present embodiment is: by manufacturing the finger tenon that mutually coincide and with the finger tenon mutually coincide described in polyvinyl acetate fat liquor, melamine-urea aldehyde, urea-formaldehyde glue or phenol glue process, make reel length by the restriction of length of timber self-sow, can unlimited lengthening reel and process the large span floor being suitable for using as required; Owing to have employed the method for reel and wood and plastic composite co-extrusion, reel is made to be closed among wood plastic composite, therefore outside moisture can not enter ground intralamellar part and make originally not to be suitable for manufacturing the water accack on floor, emulsion adhesive all can be used for Manufacture of Floor, adopts the method to contribute to reducing the manufacturing cost of wood-plastic composite floor; Because reel is closed, the issuable volatility releaser of adhesive of floor viscous grafting core can not be discharged in environment simultaneously, and the thermosetting adhesive not originally being suitable for manufacturing floor all can be used for Manufacture of Floor.
Detailed description of the invention 3: the difference of present embodiment and detailed description of the invention 1 is that the processing method of reel described in step a is, first solid wood rotary cut venner is chosen, polyvinyl acetate fat liquor, acrylic resin, acrylic acid-polyurethane resin, isocyanates, melamine-urea aldehyde, urea-formaldehyde glue or phenol glue is executed on described veneer surface, then veneer texture is pressed with through the cross layered assembly blanket of broadwise, afterwards pressure applied to described blanket and leave standstill, obtain laminate, finally described laminate is cut and obtain described reel.
The technique effect of present embodiment is: manufacture reel by using the method for described fabrication layer pressing plate, be conducive to the inhomogeneity overcoming mechanical property in timber all directions, can make the reel obtained that distortion or warpage are less likely to occur, make the floor interior mechanics performance that finally produces more stable, contribute to the application life extending floor.
Detailed description of the invention 4: the difference of present embodiment and detailed description of the invention 1 is that the method for reel described in feeding described in step b is, first coextrusion is sent in one end of a reel and participate in co-extrusion, thermosetting adhesive is smeared again in the end of another root reel, the one end of smearing thermosetting adhesive is connected with one end that a upper reel does not enter coextrusion, and mode makes reel continuous feed according to this.
The technique effect of present embodiment is: owing to have employed the mode of continuous feed and employing thermosetting adhesive and carry out bonding to reel, after the junction, end of reel and reel enters co-extruding mould, under the effect of mould inside high heat, thermosetting adhesive can solidify rapidly, and make obtain fast between reel and reel required intensity, the difficult problem that can not obtain rapidly high strength reel in continuous feed process can be solved, and then ensure to produce large span floor.
Detailed description of the invention 5: the difference of present embodiment and detailed description of the invention 3 or 4 is that the method for reel described in feeding described in step b is that the one end first two ends being all processed with the reel of finger tenon is sent into coextrusion and participated in co-extrusion, thermosetting adhesive is smeared in the end being all processed with the reel of finger tenon at another root two ends again, the one end of smearing thermosetting adhesive is connected with one end that a upper reel does not enter coextrusion by the finger tenon mutually coincide, and mode makes reel continuous feed according to this.
The technique effect of present embodiment is: owing to have employed finger tenon and employing thermosetting adhesive, cement plane is made to become large and make cementing strength grow, certain intensity can be just had before cement plane enters co-extruding mould generation thermosetting reaction, and because of heat cure reaction, the intensity of cement plane is promoted rapidly after cement plane enters co-extruding mould, and make to combine firmly more stable between reel and reel, make that the large span floor strength that finally produces is high, stable performance.
Detailed description of the invention 6: the difference of present embodiment and detailed description of the invention 1 is that the masterbatch of thermoplastic wood-plastic composite described in step b is obtained by following steps: the thermoplastic taking 20 ~ 60 parts by mass fraction, the lignocellulosic material of 40 ~ 80 parts, the reinforcing material of 0 ~ 8 part, the coupling agent of 0.1 ~ 10 part or interfacial compatibilizer, the sliding agent of 0.1 ~ 6 part, the colorant of 0 ~ 6 part, the age resister of 0.1 ~ 3 part, the heat stabilizer of 0 ~ 7 part, the fire retardant of 0 ~ 20 part, the mineral filler of 0 ~ 15 part, the raw material taken is put into high-speed mixer, through being mixed to get described thermoplastic wood-plastic composite masterbatch, described wood plastic composite masterbatch directly enters coextrusion and participates in co-extrusion.
The technique effect of present embodiment is: take raw material by adopting said method and manufacture thermoplastic wood-plastic composite masterbatch through mixed at high speed, can make that the wood-plastic composite floor color and luster that produces is homogeneous, aberration is little, stable performance and the buckling deformation of Wood-plastic floor not easily occurs due to the internal stress of Wood-plastic material; Described wood plastic composite masterbatch directly enters coextrusion and participates in co-extrusion, contributes to reducing Operating Complexity, reduces the workload of workman, reduces energy consumption, improves the production efficiency of Wood-plastic floor.
Detailed description of the invention 7: the difference of present embodiment and detailed description of the invention 6 is in the master batch processing of thermoplastic wood-plastic composite described in step b process, temperature during high-speed mixer mixed material is 25 DEG C ~ 130 DEG C, and the time of mixed material is 5min ~ 20min.
The technique effect of present embodiment is: within 25 DEG C ~ 130 DEG C temperature ranges, carry out raw material mixing energy ensure that described thermoplastic and lignocellulosic material performance are unlikely to violent change and affect use occurs, and content can be made less but have the described sliding agent of special role, colorant, age resister, heat stabilizer, fire retardant, coupling agent or interfacial compatibilizer to be unlikely to the too high and loss on the wall of high-speed mixer of Yin Wendu; Be the mixing carrying out raw material in 5min ~ 20min at duration, raw material can be made to obtain fully mixing and make wood plastic composite masterbatch uniform in material, good fluidity, stable performance, and make the energy consumption of batch mixing process relatively low.
Detailed description of the invention 8: the difference of present embodiment and detailed description of the invention 6 is that, in the master batch processing of thermoplastic wood-plastic composite described in step b process, temperature during high-speed mixer mixed material is 70 DEG C ~ 120 DEG C, and the time is 15min ~ 20min.
The technique effect of present embodiment is: the raw material preferably carrying out 15min ~ 20min within 70 DEG C ~ 120 DEG C temperature ranges is mixed with the state being beneficial to described lignocellulosic material and keeping dry, and other components of raw material can be made to keep stable performance.
Detailed description of the invention 9: present embodiment and the difference of detailed description of the invention 6 are that the masterbatch of thermoplastic wood-plastic composite described in step b also needs to obtain through following steps: the described wood plastic composite mixed through high-speed mixer is cooled to room temperature; obtain premix; again dual-screw pelletizer is put in described premix; control temperature is 145 DEG C ~ 235 DEG C; rotating speed is 30r/min ~ 100r/min; again through cooling and cutting process obtain graininess wood plastic composite masterbatch, described graininess wood plastic composite masterbatch can stay do for subsequent use.
The technique effect of present embodiment is: by the adjustment to dual-screw pelletizer temperature and rotating speed, the above-mentioned thermoplastic wood-plastic composite through proportioning is made to obtain suitable melting, but can not reinforcing material be destroyed, coupling agent or interfacial compatibilizer, sliding agent, colorant, age resister, heat stabilizer, proterties in wood-plastic composite floor of fire retardant and mineral filler and effect, said method is adopted to manufacture thermoplastic wood-plastic composite masterbatch, and use the graininess wood plastic composite masterbatch that obtains in this way to manufacture wood-plastic composite floor can better to realize melt extruding process in step b, due to the process of preparation graininess wood plastic composite masterbatch is separated with other processes in step b, make the preparation of masterbatch together extrusion can not complete at one time, and then make the expressing technique process of wood-plastic composite floor be easy to control, make the flooring product quality of coextrusion more reliable and more stable.
Detailed description of the invention 10: the difference of present embodiment and detailed description of the invention 9 is, in step b, dual-screw pelletizer is put in described premix, control temperature is 145 DEG C ~ 220 DEG C, and rotating speed is 30r/min ~ 100r/min.
The technique effect of present embodiment is: be 145 DEG C ~ 220 DEG C by the temperature controlled in dual-screw pelletizer; the possibility that lignocellulosic material in granulation process is carbonized reduces further; ensure that the intensity of lignocellulosic material, make the thermoplastic wood-plastic composite obtained have more superior mechanical property.
Detailed description of the invention 11: the difference of present embodiment and detailed description of the invention 6,9 or 10 is that the thermoplastic described in step b is one or more mixture in polypropylene, polyethylene, polystyrene, acrylonitrile-butadiene-styrene copolymer and polyvinyl chloride, or thermoplastic is the modified by maleic acid anhydride graft product of the mixture of one or more in polypropylene, polyethylene, polystyrene, thermoplastic is the mixture of primary material, reworked material or primary material and reworked material, described lignocellulosic material is one or several the mixture in wood fiber powder, powdered rice hulls, bamboo fibre powder, flaxen fiber powder, cotton fibre powder and stalk fibre powder, described reinforcing material is Fypro, polyester fiber or carbon fiber, described coupling agent is the mixture of one or more in silane coupling agent, titante coupling agent, maleic anhydride, maleic anhydride stem grafting polyolefin and isocyanates, described sliding agent is the mixture of one or more in Tissuemat E, polypropylene wax, paraffin, stearic acid, zinc stearate and calcium stearate, described colorant is the mixture of one or more in iron oxide, titanium dioxide, carbon black, phthalocyanine blue and phthalein viridescent, described age resister is ultra-violet absorber UV-9, Ultraviolet Absorber UV-P, ultraviolet absorbent uv-326, ultra-violet absorber UV327, ultra-violet absorber UV328, ultra-violet absorber UV329, ultra-violet absorber UV531, antioxidant four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane alcohol ester, antioxidant 2, 6-di-tert-butyl-4-methy phenol, antioxidant 2, 2,-methylene-bis-(4-methyl-6-tert-butylphenol), antioxidant three (2, 4-di-tert-butyl-phenyl) phosphite ester and 4, 4,-thiobis (the mixture of one or more in 3 methy 6 tert butyl phenol, described heat stabilizer is dibutyl tin laurate, tin dilaurate dioctyl tin, maleic acid dialkyl tin, two (butyl maleate) dibutyl tin, dioctyl tin maleate, dioctyl tin two (TGA isobutyl ester) or dioctyl tin two (isooctyl thioglycolate), described fire retardant is the mixture of one or more in APP, boric acid or metaboric acid, eight Boratexes, Firebrake ZB and expansible graphite, described mineral filler is the mixture of one or more in Paris white, calcium silicate powder, French chalk and hot flyash.
The technique effect of present embodiment is: adopt above-mentioned embodiment to solve the consistency problem in waste or used plastics between different plastic components on the one hand and can use cheap compound, then solve the consistency problem between plastics and lignocellulosic material simultaneously and obtain high performance wood plastic composite on the other hand, the wood-plastic composite floor of the method manufacture is used to be conducive to the regeneration realized recycled plastic and biomass castoff, and then contribute to the manufacturing cost reducing wood-plastic composite floor, and the wood-plastic composite floor produced in this way can also through reclaiming after discarding, pulverize, melting and coming into operation again, use the method to manufacture when wood-plastic composite floor can also make described floor end face carry out closed and do not use adhesive, and use thermoplastic molten bonding, and then avoid the adhesive brought because end face closes not water-fast and come unglued, adhesive release pollutant and uneasy congruent problem.
Detailed description of the invention 12: present embodiment and the difference any one of detailed description of the invention 1 ~ 11 are that the coextrusion described in step b comprises wood and moulds extruder, co-extruding mould, reel conveyer and cooling and shaping device, described co-extruding mould has die ontology, reel feed end and section bar discharge end, described co-extruding mould is arranged on described wood and moulds on the head of extruder, described reel feed end and described section bar discharge end is made to be on same straight line, described reel conveyer is arranged on the described reel feed end of described co-extruding mould, described cooling and shaping device is arranged on the described section bar discharge end of described co-extruding mould, reel described in the feeding of described reel feed end, and utilize described cooling and shaping device to carry out cooling and shaping, and then make the described thermoplastic wood-plastic composite masterbatch of melting carry out coated to reel in co-extruding mould, acquisition stratum nucleare is reel, shell is the coextrusion section bar of thermoplastic wood-plastic composite.
The technique effect of present embodiment is: by arranging reel conveyer and cooling unit on the same line, reel can be made to be fixed before feeding, and cooled timely after coextrusion section bar, be conducive to obtaining thickness uniform thermoplastic wood-plastic composite shell, can make that the apparent effect of wood-plastic composite floor is more smooth, performance is more stable.
Detailed description of the invention 13: the difference of present embodiment and detailed description of the invention 12 is that the co-extruding mould reel comprised on described die ontology that step b uses leads rib, co-extruding flow channel, flow manifold, described reel feed end inwall is provided with multiple described reel guiding rib, described co-extruding flow channel by along the distribution of described reel feed end inwall circumference and the multiple described flow manifold be communicated with described reel feed end inwall be communicated with and form, described flow manifold is tapered runner, and there is turning in the intersection of multiple flow manifold, described flow manifold is communicated with the described reel feed end on described die ontology, described section bar discharge end on described die ontology is coated on the surrounding of described co-extruding flow channel.
The technique effect of present embodiment is: by arranging reel guiding rib, contribute to reel and enter die ontology according to set direction, the relative position of reel and described co-extruding flow channel in feeding process is not changed, can guarantee that reel keeps stable feeding under pressure at the wood plastic composite of co-extruding mould inner molten, finally guarantee that reel immobilizes relative to the position of each external surface of wood-plastic composite floor.
Detailed description of the invention 14: composition graphs 2 and Fig. 3 illustrate present embodiment, the difference of present embodiment and detailed description of the invention 12 or 13 is in stepb, the side inwall of described section bar discharge end width has at least one boss, the relative opposite side inwall of described section bar discharge end width has at least one groove, and the cross section outer contour shape of described boss and described groove coincide mutually.
The technique effect of present embodiment is: by setting the shape of the section bar discharge end cross section outline of described co-extruding mould in stepb, make the wood-plastic composite floor width based on the method manufacture can have at least one protruding and at least one depression, projection on described floor and depression can cooperatively interact, and are conducive to the assembling of wood-plastic composite floor.
Detailed description of the invention 15: composition graphs 2 and Fig. 3 illustrate present embodiment, the difference of present embodiment and detailed description of the invention 14 is described to be jointly extruded in the step b of section bar, the side inwall setting described section bar discharge end width have two boss, root between described two boss is connected, and wherein at least one boss has outside block tongue boss, the relative opposite side inwall setting described section bar discharge end width have two grooves, and wherein at least one groove has outside block tongue groove, mutually coincideing towards with cross sectional shape of described block tongue boss and described block tongue groove, described two distances of boss end in opposite directions between two sides are greater than the distance of two sides in opposite directions between described two grooves.
The technique effect of present embodiment is: by setting the shape of the section bar discharge end cross section outline of described co-extruding mould in stepb, make the wood-plastic composite floor width based on the method manufacture can have two projections and two depressions, two depressions and two modes projecting through grafting described in adjacent two pieces of wood-plastic composite floors can be made to link together; By arranging block tongue boss and block tongue groove, can make that the floor of producing has draw-in groove corresponding with it and block tongue, described draw-in groove and block tongue are conducive to the relative position relation limiting adjacent two pieces of wood-plastic composite floors.
Detailed description of the invention 16: present embodiment and the difference any one of detailed description of the invention 1 ~ 15 are that first described steps d uses described thermoplastic wood-plastic composite masterbatch to make confining bed, then by the wood plastic composite of described confining bed and/or described floor board block section through high-temperature fusion, make the end face of described confining bed and floor board block carry out pressing afterwards under described thermoplastic wood-plastic composite molten condition, finally remove pressing place and to be stressed the wood plastic composite fused mass or its cooling curing thing extruded.
The technique effect of embodiment is: confining bed can ensure the gloss color of confining bed and all the other wood plastic composites of wood-plastic composite floor, physical property is all consistent to use described thermoplastic wood-plastic composite masterbatch to make, make that the wood-plastic composite floor material that is worth is unified, mechanical property is homogeneous and do not make confining bed come off, improve the sealing on floor; Contribute to the aesthetic property improving pressing place, contribute to again the difficulty reducing floor surface process.
Detailed description of the invention 17: present embodiment and the difference any one of detailed description of the invention 1 ~ 16 are also to comprise the step e described floor board block after closing through steps d being processed end tongue and groove.
The technique effect of present embodiment is: the described floor board block after closing through Step d is processed end tongue and groove, just can realize wood-plastic composite floor spreading in the longitudinal direction in installation process, be conducive to on-the-spot installation.
Detailed description of the invention 18: the difference of present embodiment and detailed description of the invention 17 is also to be included on the basis that step e processes end tongue and groove, at the step f of end dip-coating paraffin or coating.
The technique effect of present embodiment is: process tongue and groove through step e in end, the reel tongue and groove that processes occurring expose may be caused, and at the reel part dip-coating paraffin exposed or the simple and convenient industrial operation that realizes of coating process, can effectively realize the waterproof and dampproof of end, and then ensure the quality of Wood-plastic floor.
Detailed description of the invention 19: a kind of manufacture method of wood-plastic composite floor described in present embodiment, comprise step a: choose solid wood rotary cut venner, melamine-urea-formaldehyde glue is executed on described veneer surface, then veneer texture is pressed with through the cross layered assembly blanket of broadwise, afterwards pressure applied to described blanket and leave standstill, obtain laminate, acquisition reel is cut to described laminate, step b: the thermoplastic taking 35 ~ 40 parts by mass fraction, the lignocellulosic material of 60 ~ 65 parts, the reinforcing material of 2 ~ 10 parts, the coupling agent of 3 ~ 6 parts or interfacial compatibilizer, the sliding agent of 1 ~ 2 part, the age resister of 1 ~ 2 part, the heat stabilizer of 1 ~ 2 part, the raw material taken is put into high-speed mixer carries out 20min raw material mixing acquisition wood plastic composite masterbatch 90 DEG C ~ 110 DEG C temperature ranges, an one end two ends being all processed with the reel of finger tenon is sent into coextrusion and described wood plastic composite masterbatch and is entered coextrusion in the lump and participate in co-extrusion, phenol glue is smeared in the end being all processed with the reel of finger tenon at another root two ends again, the one end of smearing phenol glue is connected with one end that a upper reel does not enter coextrusion by the finger tenon mutually coincide, mode makes reel continuous feed according to this, by can the coextrusion of reel described in feeding by the melting of described wood plastic composite masterbatch, and be jointly extruded into section bar with described reel, step c: the described section bar obtained through step b is cut into floor board block, steps d: the end face of described floor board block is closed.
Detailed description of the invention 20: a kind of manufacture method of wood-plastic composite floor described in present embodiment, comprise step a: solid wood two ends after the drying obtain with milling head processing the finger tenon mutually coincide, again with the finger tenon mutually coincide described in the process of polyvinyl acetate fat liquor, then make the splicing of described solid wood head and the tail at the described solid wood two ends pressure be continuously applied in opposite directions, namely standing 10h obtains reel after adhesive solidification, step b: the thermoplastic taking 40 ~ 45 parts by mass fraction, the lignocellulosic material of 55 ~ 60 parts, the reinforcing material of 2 ~ 10 parts, the coupling agent of 3 ~ 6 parts or interfacial compatibilizer, the sliding agent of 1 ~ 2 part, the age resister of 1 ~ 2 part, the heat stabilizer of 1 ~ 2 part, the raw material taken is put into high-speed mixer carries out 20min raw material mixing acquisition wood plastic composite masterbatch 90 DEG C ~ 110 DEG C temperature ranges, an one end two ends being all processed with the reel of finger tenon is sent into coextrusion and described wood plastic composite masterbatch and is entered coextrusion in the lump and participate in co-extrusion, phenol glue is smeared in the end being all processed with the reel of finger tenon at another root two ends again, the one end of smearing phenol glue is connected with one end that a upper reel does not enter coextrusion by the finger tenon mutually coincide, mode makes reel continuous feed according to this, by can the coextrusion of reel described in feeding by the melting of described wood plastic composite masterbatch, and be jointly extruded into section bar with described reel, step c: the described section bar obtained through step b is cut into floor board block, steps d: the end face of described floor board block is closed.
Detailed description of the invention 21: a kind of manufacture method of wood-plastic composite floor described in present embodiment, comprise step a: solid wood two ends after the drying obtain with milling head processing the finger tenon mutually coincide, again with the finger tenon mutually coincide described in the process of polyvinyl acetate fat liquor, then make the splicing of described solid wood head and the tail at the described solid wood two ends pressure be continuously applied in opposite directions, namely standing 10h obtains reel after adhesive solidification, step b: the high-density polyethylene plastics taking 40 parts by mass fraction, the lignocellulosic material of 60 parts, the coupling agent of 4 parts or interfacial compatibilizer, the sliding agent of 1.5 parts, the age resister of 1 part, the heat stabilizer of 1 part, the raw material taken is put into high-speed mixer carries out 20min raw material mixing acquisition wood plastic composite masterbatch 105 DEG C of temperature ranges, an one end two ends being all processed with the reel of finger tenon is sent into coextrusion and described wood plastic composite masterbatch and is entered coextrusion in the lump and participate in co-extrusion, phenol glue is smeared in the end being all processed with the reel of finger tenon at another root two ends again, the one end of smearing phenol glue is connected with one end that a upper reel does not enter coextrusion by the finger tenon mutually coincide, mode makes reel continuous feed according to this, by can the coextrusion of reel described in feeding by the melting of described wood plastic composite masterbatch, and be jointly extruded into section bar with described reel, step c: the described section bar obtained through step b is cut into floor board block, steps d: the end face of described floor board block is closed.
Detailed description of the invention 22: a kind of manufacture method of wood-plastic composite floor described in present embodiment, comprise step a: solid wood two ends after the drying obtain with milling head processing the finger tenon mutually coincide, again with the finger tenon mutually coincide described in the process of polyvinyl acetate fat liquor, then make the splicing of described solid wood head and the tail at the described solid wood two ends pressure be continuously applied in opposite directions, namely standing 10h obtains reel after adhesive solidification, step b: the polypropylene plastics taking 40 parts by mass fraction, the lignocellulosic material of 60 parts, the coupling agent of 4 parts or interfacial compatibilizer, the sliding agent of 1.5 parts, the age resister of 1 part, the heat stabilizer of 1 part, the raw material taken is put into high-speed mixer carries out 20min raw material mixing acquisition wood plastic composite masterbatch 105 DEG C of temperature ranges, an one end two ends being all processed with the reel of finger tenon is sent into coextrusion and described wood plastic composite masterbatch and is entered coextrusion in the lump and participate in co-extrusion, phenol glue is smeared in the end being all processed with the reel of finger tenon at another root two ends again, the one end of smearing phenol glue is connected with one end that a upper reel does not enter coextrusion by the finger tenon mutually coincide, mode makes reel continuous feed according to this, by can the coextrusion of reel described in feeding by the melting of described wood plastic composite masterbatch, and be jointly extruded into section bar with described reel, step c: the described section bar obtained through step b is cut into floor board block, steps d: the end face of described floor board block is closed.
The related performance indicators of detailed description of the invention 19-22 product is in table 1.
Table 1 detailed description of the invention 19-22 product related performance indicators
Note: above-mentioned common Wood-plastic floor is the common C series of floor of Nanjing Xuhua Sundi New Building Materials Co., Ltd..
Claims (10)
1. the manufacture method of a wood-plastic composite floor, comprise the step a preparing reel, characterized by further comprising: prepare thermoplastic wood-plastic composite masterbatch and also pass through the coextrusion of reel described in energy feeding by the melting of described wood plastic composite masterbatch, and be jointly extruded into the step b of section bar with described reel; The described section bar obtained through step b is cut into the step c of floor board block; And the end face of floor board block described in step c is carried out the steps d closed.
2. the manufacture method of wood-plastic composite floor as claimed in claim 1, it is characterized in that: the processing method of reel described in step a is, first solid wood two ends after the drying obtain with milling head processing the finger tenon mutually coincide, again with the finger tenon mutually coincide described in polyvinyl acetate fat liquor, melamine-urea aldehyde, urea-formaldehyde glue or phenol glue process, then at described solid wood two ends, the pressure applied in opposite directions makes the parallel or head and the tail splicing of described solid wood, after adhesive solidification, namely obtain reel.
3. the manufacture method of wood-plastic composite floor as claimed in claim 1, it is characterized in that: the processing method of reel described in step a is, first solid wood rotary cut venner is chosen, polyvinyl acetate fat liquor, melamine-urea aldehyde, urea-formaldehyde glue or phenol glue is executed on described veneer surface, then veneer texture is pressed with through the cross layered assembly blanket of broadwise, afterwards pressure applied to described blanket and leave standstill, obtaining laminate, finally described laminate being cut and obtain described reel.
4. the manufacture method of wood-plastic composite floor as claimed in claim 1, it is characterized in that: the masterbatch of thermoplastic wood-plastic composite described in step b is obtained by following steps: the thermoplastic taking 20 ~ 60 parts by mass fraction, the lignocellulosic material of 40 ~ 80 parts, the reinforcing material of 0 ~ 8 part, the coupling agent of 0.1 ~ 10 part or interfacial compatibilizer, the sliding agent of 0.1 ~ 6 part, the colorant of 0 ~ 6 part, the age resister of 0.1 ~ 3 part, the heat stabilizer of 0 ~ 7 part, the fire retardant of 0 ~ 20 part, the mineral filler of 0 ~ 15 part, the raw material taken is put into high-speed mixer, control temperature is 25 DEG C ~ 130 DEG C, mixing 5min ~ 20min, obtain described thermoplastic wood-plastic composite masterbatch.
5. the manufacture method of wood-plastic composite floor as claimed in claim 4; it is characterized in that: the masterbatch of thermoplastic wood-plastic composite described in step b also needs to obtain through following steps: the described wood plastic composite mixed through high-speed mixer is cooled to room temperature; obtain premix; again dual-screw pelletizer is put in described premix; control temperature is 145 DEG C ~ 235 DEG C; rotating speed is 30r/min ~ 100r/min, then obtains graininess wood plastic composite masterbatch through cooling and cutting process.
6. the manufacture method of wood-plastic composite floor as claimed in claim 4, it is characterized in that: the thermoplastic described in step b is one or more mixture in polypropylene, polyethylene, polystyrene, acrylonitrile-butadiene-styrene copolymer and polyvinyl chloride, or thermoplastic is the modified by maleic acid anhydride graft product of the mixture of one or more in polypropylene, polyethylene, polystyrene, thermoplastic is the mixture of primary material, reworked material or primary material and reworked material, described lignocellulosic material is one or several the mixture in wood fiber powder, powdered rice hulls, bamboo fibre powder, flaxen fiber powder, cotton fibre powder and stalk fibre powder, described reinforcing material is Fypro, polyester fiber or carbon fiber, described coupling agent is the mixture of one or more in silane coupling agent, titante coupling agent, maleic anhydride, maleic anhydride stem grafting polyolefin and isocyanates, described sliding agent is the mixture of one or more in Tissuemat E, polypropylene wax, paraffin, stearic acid, zinc stearate and calcium stearate, described colorant is the mixture of one or more in iron oxide, titanium dioxide, carbon black, phthalocyanine blue and phthalein viridescent, described age resister is ultra-violet absorber UV-9, Ultraviolet Absorber UV-P, ultraviolet absorbent uv-326, ultra-violet absorber UV327, ultra-violet absorber UV328, ultra-violet absorber UV329, ultra-violet absorber UV531, antioxidant four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid n-octadecane alcohol ester, antioxidant 2, 6-di-tert-butyl-4-methy phenol, antioxidant 2, 2,-methylene-bis-(4-methyl-6-tert-butylphenol), antioxidant three (2, 4-di-tert-butyl-phenyl) phosphite ester and 4, 4,-thiobis (the mixture of one or more in 3 methy 6 tert butyl phenol, described heat stabilizer is dibutyl tin laurate, tin dilaurate dioctyl tin, maleic acid dialkyl tin, two (butyl maleate) dibutyl tin, dioctyl tin maleate, dioctyl tin two (TGA isobutyl ester) or dioctyl tin two (isooctyl thioglycolate), described fire retardant is the mixture of one or more in APP, boric acid or metaboric acid, eight Boratexes, Firebrake ZB and expansible graphite, described mineral filler is the mixture of one or more in Paris white, calcium silicate powder, French chalk and hot flyash.
7. the manufacture method of the wood-plastic composite floor according to any one of claim 1-6, it is characterized in that: the coextrusion described in step b comprises wood and moulds extruder, co-extruding mould, reel conveyer and cooling and shaping device, described co-extruding mould has die ontology, reel feed end and section bar discharge end, described co-extruding mould is arranged on described wood and moulds on the head of extruder, described reel feed end and described section bar discharge end is made to be on same straight line, described reel conveyer is arranged on the described reel feed end of described co-extruding mould, described cooling and shaping device is arranged on the described section bar discharge end of described co-extruding mould.
8. the manufacture method of wood-plastic composite floor as claimed in claim 7, it is characterized in that: the co-extruding mould that step b uses comprises the reel guiding rib on described die ontology, co-extruding flow channel, flow manifold, described reel feed end inwall is provided with multiple described reel guiding rib, described co-extruding flow channel by along the distribution of described reel feed end inwall circumference and the multiple described flow manifold be communicated with described reel feed end inwall be communicated with and form, described flow manifold is tapered runner, and there is turning in the intersection of multiple flow manifold, described flow manifold is communicated with the described reel feed end on described die ontology, described section bar discharge end on described die ontology is coated on the surrounding of described co-extruding flow channel.
9. the manufacture method of the wood-plastic composite floor according to any one of claim 1 ~ 6, it is characterized in that: also comprise the step e described floor board block after closing through steps d being processed end tongue and groove, and processing on the basis of end tongue and groove through step e, at the step f of end dip-coating paraffin or coating.
10. a wood-plastic composite floor, floor is made through melt extruding technique by thermoplastic wood-plastic composite, it is characterized in that: comprise the shell that thermoplastic wood-plastic composite is formed and the stratum nucleare be made up of tabular reel, the stratum nucleare that described tabular reel is formed is coated by described thermoplastic wood-plastic composite shell, and the stratum nucleare end that described tabular reel is formed has the confining bed be connected with described shell.
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| CN201510016923.0A CN104631758A (en) | 2015-01-13 | 2015-01-13 | Wood-plastic composite floor and manufacturing method thereof |
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Application publication date: 20150520 |