CN105484422B - A kind of wood moulding and the preparation method of the composite board of mental section coextrusion mold - Google Patents
A kind of wood moulding and the preparation method of the composite board of mental section coextrusion mold Download PDFInfo
- Publication number
- CN105484422B CN105484422B CN201410474903.3A CN201410474903A CN105484422B CN 105484422 B CN105484422 B CN 105484422B CN 201410474903 A CN201410474903 A CN 201410474903A CN 105484422 B CN105484422 B CN 105484422B
- Authority
- CN
- China
- Prior art keywords
- composite board
- mental section
- wood
- wood moulding
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003340 mental Effects 0.000 title claims abstract description 144
- 239000002131 composite material Substances 0.000 title claims abstract description 109
- 239000002023 wood Substances 0.000 title claims abstract description 103
- 238000000465 moulding Methods 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims description 26
- 239000000463 material Substances 0.000 claims abstract description 64
- 229920003023 plastic Polymers 0.000 claims abstract description 38
- 239000004033 plastic Substances 0.000 claims abstract description 38
- 238000001125 extrusion Methods 0.000 claims abstract description 35
- 238000005187 foaming Methods 0.000 claims abstract description 8
- 210000003205 Muscles Anatomy 0.000 claims description 39
- 238000000926 separation method Methods 0.000 claims description 28
- 238000002844 melting Methods 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 7
- 239000004800 polyvinyl chloride Substances 0.000 claims description 7
- -1 Polyethylene Polymers 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000004698 Polyethylene (PE) Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 230000023298 conjugation with cellular fusion Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000021037 unidirectional conjugation Effects 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000000843 powder Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002984 plastic foam Substances 0.000 description 10
- 239000003063 flame retardant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000004067 bulking agent Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 239000004088 foaming agent Substances 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 239000004609 Impact Modifier Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 206010009839 Coeliac disease Diseases 0.000 description 3
- 206010025476 Malabsorption Diseases 0.000 description 3
- 239000006057 Non-nutritive feed additive Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 240000003917 Bambusa tulda Species 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000011464 hollow brick Substances 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000001015 Abdomen Anatomy 0.000 description 1
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 240000005781 Arachis hypogaea Species 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 241000675108 Citrus tangerina Species 0.000 description 1
- 206010022000 Influenza Diseases 0.000 description 1
- 210000000282 Nails Anatomy 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920001587 Wood-plastic composite Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011155 wood-plastic composite Substances 0.000 description 1
Abstract
The application provides a kind of wood moulding and the composite board of mental section coextrusion mold, it includes wood moulding frame and mental section, the wood moulding frame is provided with first chamber, the mental section is located in first chamber, the wall surface of the first chamber is Nian Jie with the surface of mental section, wherein, the wood moulding frame is the Wood-plastic material layer of foaming, and the mental section is ringent mental section.The composite board of the coextrusion mold of the embodiment of the present invention selects the mental section of open-type, does not use shape of remaining silent, and has both ensured composite board fundamental strength, has saved rolled steel dosage, while has created condition to be cold in extrusion die realization compressed air.
Description
Technical field
The present invention relates to a kind of heat preservation plate material more particularly to a kind of wood moulding and the composite boards of mental section coextrusion mold
Preparation method.
Background technology
Conventional house wall for building, mostly is unfavorable for protecting farmland using solid clay brick；At present air-entrained concrete building block,
The materials for walls such as hollow brick will be constructed at the scene, it is necessary to which cement wet construction, scene generate a large amount of building wastes, and consume a large amount of
Manually, wall size precision is also difficult to control, and building cycle is long, it is few then it is more than half a year, often up to 1 year even 2 years or more
It can completion.
To adapt to novel building house batch production, ecology, energy saving and environmentally protective needs, Chinese patent
CN102650367A provides with holes or pit-metal and resin composite co-extruded profile, and mental section and resin are adopted by extruder
It is manufactured with coextrusion process, molten resin is inlayed into being combined into one with holes or pit-metal section bar in mental section hole or pit
Body.Resin includes：PVC, PE, PP, ABS, fluororesin, wood moulding, glass modeling.
But wood plastic composite density is 3-4 times of classical wood millwork, ductility and impact resistance decline, material
Expect crisp, mechanical strength (stretch and bending) is smaller than unfilled plastics, limits application.If using the wood moulding material of foaming
Material can substantially reduce the density of Wood-plastic material.But if when improving its performance using foaming technique, due to the wood of molten state
It is very strong to mould expanded material mobility, it is easy to by hole, foam wood/plastic composite material is caused largely to enter inside mental section, it will
The inner cavity of mental section blocks.Furthermore Wood-plastic material, in foaming process, foaming agent gives birth to substantial amounts of bubble, cause its internal tool
There is larger pressure, and the pressure in mental section is in normal pressure, it is relatively low, Wood-plastic foam can also be caused to pass through mental section
Pre-manufactured hole blocks the inner cavity of mental section.Therefore, being by above-mentioned patented technology Wood-plastic foam material and mental section can not
It can coextrusion mold.
The content of the invention
In order to solve above-mentioned prior art problem, the present invention prepares a kind of with low-density, low thermal conductivity, high intensity
Molding composite board.
The present invention provides a kind of wood moulding and the composite board of mental section coextrusion mold, including wood moulding frame and metal
Section bar, the wood moulding frame are provided with first chamber, and the mental section is located in first chamber, the wall surface of the first chamber
It is Nian Jie with the surface of mental section,
Wherein, the wood moulding frame is made of the Wood-plastic material foaming, and the mental section is ringent mental section.
Preferably, the wood moulding frame is provided with one or more second chambers.
Preferably, one or multi-channel first point parallel to the composite board plane is provided in the wood moulding frame
Every interior muscle.
Preferably, it is provided perpendicular in the wood moulding frame in one or multi-channel second separation of the composite board
Muscle.
Preferably, one end of the composite board is provided with convex stupefied, and another opposite end sets fluted, one block of composite board
It is convex it is stupefied can be with the fit depressions grafting of another block of composite board.
Preferably, one end of the composite board is provided with step structure, and another opposite end is provided with step structure, one piece
Composite board step structure can be in mating connection with the step structure of another block of composite board.
Preferably, the wood moulding frame includes following raw material：
Polyethylene or polypropylene or polyvinyl chloride or chliorinated polyvinyl chloride or 30~98 parts by weight of polymethyl methacrylate；
The wood powder can be preferably rice and kernel shell powder, wood powder, bamboo powder, peanut shell powder, crops tangerine bar powder, corncob
One or more of powder, wood shavings powder and waste paper powder.
The draw ratio of the wood powder is less than 40:1, grain size is less than 2mm.
Preferably, the cross section of the mental section is the profiled shape of U-shaped, C-shaped or semi-surrounding.
Preferably, the wall thickness of the mental section is 0.3-8.0mm.
The present invention provides a kind of preparation method of above-mentioned composite board, the composite board by extrusion die co-extrusion into
Type, the extrusion die include die ontology and demarcation strip, and the demarcation strip is arranged on the cavity formed on the die ontology
Interior, which includes the following steps：
By ringent mental section；It is sent into the mental section of the cavity and the demarcation strip surrounds a hollow appearance
Device exists to inject the gap of the Wood-plastic material of melting between the container and die ontology；
While being sent into the mental section, the Wood-plastic material of molten state is sent into the cavity, with the mental section
Heat bonding, and be cooled and shaped in the gap location, form the wood moulding frame being complex as a whole with mental section, the wood moulding frame bag
Include the first chamber for surrounding the mental section；
While the mental section and the Wood-plastic material of molten state are sent into the cavity, gas is worn successively by air flue
Cross the die ontology, cavity and demarcation strip, subsequently into the container, then by the first chamber, to the container and
First chamber cools down in carrying out；
The mental section passes through shaper with wood moulding frame resynchronisation, and cooling and shaping is described multiple so as to be made
Plywood material.
Preferably, the extrusion die further includes one or more mold cores, the mold core and the closed entity, mold sheet
Exist between body for injecting the gap of the Wood-plastic material of melting, which further includes：
The Wood-plastic material of molten state is sent into the cavity, formed after gap location cooling and shaping and mental section
The wood moulding frame being complex as a whole includes muscle in outer layer and separation.
Compared with related technology, the application's has the beneficial effect that：
(1) composite board of the coextrusion mold of the embodiment of the present invention selects the mental section of open-type, does not use shape of remaining silent
Shape had both ensured composite board fundamental strength, has saved rolled steel dosage, while has realized cold in compressed air create for extrusion die
Condition since the surface of mental section is not provided with pre-manufactured hole, can prevent molten wood moulding fluid from flowing into first chamber.It is squeezing
Go out the air flue set in mold, gas can be by air flue through mental section opening, hence into mental section with dividing
The hollow container that partition plate surrounds, finally enters back into first chamber, and the characteristics of making full use of light steel sheet thermal conductivity factor high carries out
Rapid cooling in the air by adjusting air flow control cooling velocity, improves cooling and shaping efficiency, so as to promote production effect
Rate.
The first chamber of wood moulding frame is provided with mental section, anchorage point is located at when Wood plastic wall board carrys additionally weight in
The position of engaged column section bar fundamentally solves anchoring load-bearing of the Wood plastic wall board when hanging air-conditioning, television set when weights
The position of embedded metal thin plate in Wood plastic wall board is carried out screw with house supporting frame or bolt fastening links, from root by problem
The Strength Safety hidden danger of wood moulding wallboard as a whole is eliminated in sheet；Since wood moulding frame and mental section progress are compound, into one
Step improves Wood-plastic material and the integral strength of metal structure, and has disperseed what is generated by metal material with wood moulding by material difference
Expand with heat and contract with cold stress, reduces the negative effect of flexible difference that two kinds of materials are generated by variation of ambient temperature to combined strength bination,
The integral strength of wallboard as a whole is more advantageous to after mental section and wood plastics composite, further improves metal and wood plastics composite
Integral wall mechanical strength.
Since interior metal section bar effectively provides mechanical strength, mental section and wood moulding frame composite integrated, thus
The intensity requirement of wood moulding part is reduced, foaming technique may be employed in the material of wood moulding frame, so as to not only save wood moulding use
Material also substantially increases the heat insulating and sound insulating performance as heat-insulating wall plate application.
(2) composite board of the coextrusion mold of the embodiment of the present invention can easily lead to according to heat preservation and intensity needs
Indoor and outdoor thickness 100mm~600mm of mold design wallboard is crossed, which can reach 0.2W/m2K~0.5W/
m2K is satisfied with the standard requirement of national novel wall heat preservation energy-saving 65%, higher by three than ordinary reinforced concrete wall thermal insulating effect
Times or more, it need not in addition increase installation insulating layer, there is good heat insulation effect.Also there is heat-insulated, sound insulation property simultaneously, it is simultaneous
Self-decorating performance and the characteristics of high structural strength inside and outside tool.Composite board flame retardant property is up to B1 grades.
(3) composite board of the coextrusion mold of the embodiment of the present invention fully combines the high intensity feature and wood for having played steel
The heat insulating and sound insulating of modeling, corrosion-resistant, good weatherability do not crack, are indeformable, being easy to shaping, the features such as decorative surface is good, plate table
Face can carry out the processing of the incrustations such as application, embossing, transfer, overlay film as needed.
(4) composite board of the coextrusion mold of the embodiment of the present invention, can be direct according to drawing during as heat-insulating wall plate
From factory blanking cutting, be transported to building site can the assembly directly such as building blocks, the composite board indoor lateral can as needed into
The various decorations processing such as row embossing, application, transfer, overlay film.The composite board is disposably solved from interior to outdoor
Wall possesses the performances such as heat preservation, heat-insulated, sound insulation, and indoor outer surface no longer needs other processing such as heat preservation, is greatly saved existing
The field construction time is not required onsite application caulking agent, face coat, nail, foaming fluid sealant etc. process, is obviously improved light-duty
While housing construction efficiency, live almost no pollution, almost without construction rubbish scene residual.Rapid construction, similarly
The general same day can complete a whole set of villa under face basis and frame conditions.
(5) composite board of the coextrusion mold of the embodiment of the present invention, monolithic composite panel material section are designed as horizontal and vertical
Multi-chamber structure, multi-chamber structure are obviously improved heat insulating and sound insulating performance, and the only composite metal profile in a wherein chamber,
Can so solve the problems, such as that Wood plastic wall board carrys additionally weight and the anchoring with load-carrying members with relatively small number of mental section dosage.
(6) composite board of the coextrusion mold of the embodiment of the present invention during manufacture, sets positioning accuracy accurate
Deflector roll and dragger, which stretch, to be combined, and it is compound to realize accurately closely bonding for profiled metal thin plate and wood moulding, greatly save process,
Artificial and energy consumption.
Description of the drawings
Fig. 1 is the schematic diagram of the output terminal of the extrusion die in the embodiment of the present invention 1；
Fig. 2 be Fig. 1 in A1-A1 to diagrammatic cross-section；
Fig. 3 be Fig. 2 in spreader B1-B1 to diagrammatic cross-section；
Fig. 4 is the diagrammatic cross-section of the composite board of the coextrusion mold of the embodiment of the present invention 1；
Fig. 5 is the cross-sectional view of the mental section of the embodiment of the present invention 1；
Fig. 6 is the schematic diagram of the output terminal of the extrusion die in the embodiment of the present invention 2；
Fig. 7 is the diagrammatic cross-section of the composite board of the coextrusion mold of the embodiment of the present invention 2；
Fig. 8 is the cross-sectional view of the mental section of the embodiment of the present invention 2；
Fig. 9-15 is the diagrammatic cross-section of the composite board of the coextrusion mold of 3-9 of the embodiment of the present invention；
Reference numeral：1- wood moulding frames, 11- first separate interior muscle, and 12- second separates interior muscle, and 13- first is convex stupefied, 14-
One groove, 15- step structures, 2- mental sections, 3- extrusion dies, 31- die ontologies, 311- connection templates, 312- divergent dies
Plate, 313- forming panels, 314- outlets template, 32- mold cores, 33- demarcation strips, 34- cavities, 341- feed inlets, 35- air flues,
351- gas accesses, 36- spreaders, 37- sprues
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment 1
(1) raw material is weighed：
Weigh the raw material of wood moulding frame 1：(wood powder, draw ratio are less than 40 for 40 parts by weight of polyvinyl chloride, wood powder:1, grain
Footpath be less than 1mm) 35 parts by weight, 10 parts by weight of inorganic filler, 8 parts by weight of impact modifier, 2 parts by weight of lubricant, stabilizer 2
Parts by weight, 2 parts by weight of bulking agent, 1 parts by weight of processing aid, 3 parts by weight of foaming agent.
(2) manufacturing process：
First, first needed to be processed into opening special section according to section design and ventilation, wherein, the cross section of mental section can
Think the profiled shape of U-shaped, C-shaped or semi-surrounding, mental section 2 as shown in Figure 5 may be employed in the present embodiment.
Composite board includes die ontology 31 and demarcation strip 33, demarcation strip by 3 coextrusion mold of extrusion die, extrusion die 3
33 are arranged in the cavity 34 formed on die ontology 31.
Ringent mental section 2 is sent into the cavity 34 of extrusion die 3, feeding type through pinpoint deflector roll up and down
The mental section 2 of chamber 34 and demarcation strip 33 surround a hollow container, and the container and existing between die ontology 31 is used for
Inject the gap of the Wood-plastic material of melting.
It is added in after the raw material of above-mentioned wood moulding frame 1 is mixed in the hopper of the first extruder, then squeezes out the wood of molten state
Moulding material.While being sent into mental section 2, the Wood-plastic material of molten state is sent into cavity 34, and 2 heat bonding of mental section, and
Gap location between container and die ontology 31 is cooled and shaped, and forms the wood moulding frame 1 being complex as a whole with mental section 2.
The wood moulding frame 1 includes surrounding the first chamber of mental section 2.When extrusion die 3 is provided with one or more mold cores 32, mould
Exist to inject the gap of the Wood-plastic material of melting between core 32 and closed entity, die ontology 31.By the wood moulding of molten state
Material is sent into cavity 34, and the wood moulding frame 1 being complex as a whole with mental section 2 formed after gap location cooling and shaping includes outer
Muscle in layer and separation.
While mental section 2 and the Wood-plastic material of molten state are sent into cavity 34, gas is sequentially passed through by air flue 35
Die ontology 31, cavity 34 and demarcation strip 33, the hollow container surrounded into mental section 2 and demarcation strip 33, then lead to again
The first chamber of wood moulding frame 1 is crossed, interior cooling is carried out to the Wood-plastic foam material of molten state, is then then exhausted from.
Finally, the wood moulding frame 1 after supercooling and shaping and mental section 2 be by shaper, shaper it is cold
But system is cooled to room temperature wood moulding frame 1 and mental section 2, wood moulding frame 1 thoroughly cure, so as to formed wood moulding frame 1 with
The compound integral composite board of mental section 2, is then pulled by the uniform velocity dragger again, fixed length cutting as needed, bag
It is packed into storehouse.
(3) extrusion die：
Referring to Figures 1 and 2, extrusion die 3 includes die ontology 31 and demarcation strip 33, and feed end and the extruder of mold connect
It connects.In one example, die ontology 31 includes being sequentially connected template 311, shunting template 312, forming panel 313 and outlet template
314, connection template 311 is connected with extruder.
The present embodiment is provided with demarcation strip 33 and air flue 35 in extrusion die 3, and demarcation strip 33 is arranged on die ontology 31
In the cavity 34 of upper formation, mental section 2 is ringent mental section；Demarcation strip 33 and the mental section 2 for being sent into cavity 34
A hollow container is surrounded, exists to inject the gap of the Wood-plastic material of melting between the container and die ontology 31.Its
In, extrusion die 3 is additionally provided with air flue 35, and air flue 35 sequentially passes through die ontology 31, cavity 34 and demarcation strip 33 into container
Space.
In one example, air flue 35 can be entered by forming panel 313 inside extrusion die 3, and air flue 35 passes through cavity
34 part is made of a hollow spreader 36 (as shown in Figure 3), to separate the Wood-plastic material of molten state, then passes through separation
Plate 33 and 2 opening of mental section enter the hollow space for the container that mental section 2 is surrounded with demarcation strip 33, to hollow
Space is ventilated, and to be quickly cooled down the characteristics of making full use of light steel sheet thermal conductivity factor high, passes through adjusting gas flow
Cooling velocity is controlled, improves cooling and shaping efficiency, so as to improving production efficiency.Gas is run out of from input terminal in order to prevent.
Demarcation strip 33 is provided with sprue 37 close to one end of extrusion die input terminal, and sprue 37 is close to demarcation strip 33, at work can be with
The one end for the container that demarcation strip 33 and mental section 2 are surrounded blocks.
In order to which composite board is made to form multiple second chambers, one or more mold cores can also be set in die ontology 31
32.Exist between mold core 32 and die ontology 31 for injecting the gap of the Wood-plastic material of melting, between mold core 32 and mold core
Between 32 and container there is also for inject melting Wood-plastic material gap, between these gaps and container and die ontology 31
It is connected between gap, injects after the Wood-plastic material of melting and can shape out the wood moulding frame part of composite board.In order to by demarcation strip 33
It is fixed on mold core 32 in 34 body of cavity.Demarcation strip 33 and mold core 32 can be connected by dowel with die ontology 31 respectively,
One end of partition plate 33 and mold core 32 can also be connected with being connected template 311 or shunting template 312, so as to fulfill fixation.
Mold shown in Fig. 1 and 2 can manufacture composite board shown in Fig. 4, and as illustrated in fig. 1 and 2, extrusion die 3 includes
One demarcation strip 33 and two mold cores 32.Demarcation strip 33 can surround a hollow container with mental section 2.
When ringent mental section 2 by or be sent into cavity 33 when, ringent mental section 2 is surrounded with demarcation strip 33
One hollow container.It is provided between container and mold core 32 and die ontology 31 for injecting the gap of the Wood-plastic material of melting,
The Wood-plastic material so melted forms the outer layer of wood moulding frame 1 into these gaps.
Two mold cores 32 exist between container and mold core 32 between each other for injecting the gap of the Wood-plastic material of melting,
That is certain interval is kept between two mold cores 32, between two mold cores 32 and mental section 2 or demarcation strip.The Wood-plastic foam of melting
Material forms the first of composite board plane into certain interval is kept between two mold cores 32 and mental section 2 or demarcation strip
Muscle 11 in separation.Muscle 11 and the wood moulding frame 1 on right side surround first chamber, the wall surface and metal mold of first chamber in first separation
The surface of material 2 is mutually bonded.
The Wood-plastic foam material of melting can form muscle in one second separation into the gap between two mold cores 32
12, second separate in muscle 12 with first separate in muscle 11 it is vertical, first separation in muscle 11, second separation in muscle 12 and the wood in left side
Modeling frame 1 then surrounds two second chambers, and the shape of the cross section of two mold cores 32 is transversal with above-mentioned two second chamber respectively
Face difference is corresponding.
Forming panel 313 is provided with gas into the gas access 351 of air entering flue 35, and such gas is through 351 He of gas access
Air flue 35 enters inside extrusion die 3, so as to be cooled down to mental section 2.
In order to which the wood moulding frame 1 to the molten in extrusion die 3 cools down, water is provided in die ontology 31
Cooling duct or water cooling chamber.
Shunting template 312 is provided with feed inlet 341, and the Wood-plastic foam material of the molten that extruder squeezes out is from feed inlet
341, into shunting template 312, enter cavity 34 after shunting 312 shunting function of template.
It as shown in Figures 2 and 3, can be in cavity 34 in order to reduce resistance of the air flue 35 to the Wood-plastic foam material of molten state
One section of air flue 35 be made of hollow spreader 36.
As disposable embodiment, air flue 35 can also pass through shunting template 312 to enter, and air flue 35 initially passes through shunting
Plate 312 enters back into the hollow container that mental section 2 and wood moulding frame 1 are formed, finally enters first chamber, so as to metal mold
Material 2 and wood moulding frame 1 carry out interior cooling.
(4) composite board
The both ends of its composite board produced are respectively arranged with step structure 15, and one piece of composite board step structure 15 can be with
It is in mating connection with the step structure 15 of another block of composite board.
(5) mental section
The present embodiment includes web and wing plates on two sides, the edge of both wings using the mental section 2 shown in Fig. 5, mental section 2
The folding hook to bending or towards inside is both provided with, such mental section 2 can form ringent mental section 2.Metal mold
The web of material 2 is mutually Nian Jie with muscle 11 in the first separation of composite board.
Embodiment 2
The present embodiment produces composite board as shown in Figure 7, and its preparation method and raw material are substantially the same manner as Example 1.No
It is with putting：Using extrusion die shown in Fig. 7 and different mental sections.The mental section 2 and demarcation strip 33 and Fig. 1 of Fig. 6
In position in composite board of mental section 2 and demarcation strip 33 it is different, the web and composite plate of the mental section 2 in Fig. 7
The outer layer (inner wall close to composite board surface) of the composite board of material is mutually bonded.The sectional view of Fig. 7 and the same slice locations of Fig. 1
It is essentially identical, only dimensionally there is the difference of some.
Mold shown in Fig. 6 can manufacture composite board shown in Fig. 7, as shown in fig. 6, extrusion die 3 includes one point
Partition plate 33 and three mold cores 32.
Demarcation strip 33 and mental section 2 surround a hollow container, are deposited between mold core 32 and container and die ontology 31
For injecting the gap of the Wood-plastic material of melting, i.e., demarcation strip 33, mental section 2 and three mold cores 32 and die ontology 31 it
Between keep certain interval.After the Wood-plastic foam material of melting enters the gap between mold core 32 and container and die ontology 31, shape
Into the outer layer of composite board.Between container and mold core 32 and three mold cores 32 keep certain gap between each other, that is, separate
Between plate 33 or mental section 2 and three mold cores 32 and three mold cores 32 keep certain gap between each other.The wood of melting
After modeling expanded material enters the gap between container and mold core 32, muscle in the first separation of composite board plane is formed in parallel with
11.The Wood-plastic foam material of melting between three mold cores 32, can be formed two second separate in muscle 12, second separate in
Muscle 12 is vertical with muscle 11 in the first separation.
Wood moulding frame is separated into a first chamber and three second by muscle 12 in the separation of muscle 11 and second in first separation
Chamber, the wall surface of the first separation chamber are bonded with mental section 2, and the separation chamber of the other three second is vacant, the horizontal stroke of three mold cores 32
The shape in section is corresponding with above three second chamber cross section respectively.
(4) composite board
Since the shape of cavity 34 is different from the shape of embodiment 1, from prepared by composite board shape it is different.Such as figure
Shown in 7, equal one end of the composite board of production is provided with first convex stupefied 13, and another opposite end is provided with the first groove 14, and one
The first convex stupefied 13 of block composite board can be engaged grafting with the first groove 14 of another block of composite board.
(5) mental section
The present embodiment uses mental section 2 shown in Fig. 8, and mental section 2 includes web and wing plates on two sides, the edge of both wings
The folding hook to bending or towards inside is both provided with, such mental section 2 can form ringent mental section 2.
Embodiment 3
Composite board as shown in Figure 9 is produced, its preparation method and raw material are substantially the same manner as Example 2, and difference is：
Extrusion die：Extrusion die 3 is only provided with demarcation strip 33, without setting mold core 32, so in manufacture composite plate
During material, demarcation strip 33 can surround a hollow container with mental section 2, exist to note between container and die ontology 31
Enter the gap of the Wood-plastic material of melting, the Wood-plastic foam material so melted enters cavity 34 and injects gap, in metal mold
Material 2 and demarcation strip 33 periphery forms the wood moulding frame 1 of composite board, and after cooling and shaping, only there are one first for composite board
Chamber, the wall surface of the surface first chamber of mental section 2 are mutually bonded.
Mental section：The present embodiment uses the mental section 2 in Fig. 9, and substantially the same manner as Example 2, difference is：Gold
One wing plate of genotype material 2 sets second convex stupefied, the second convex stupefied protrusion of a similar shape in the first convex stupefied 13 inside
Direction is towards outside mental section 2, and another wing plate is internally provided with one and 14 phase of the first groove in the first groove 14
As the second groove, the second slot opening direction is towards outside mental section 2.
Embodiment 4
Composite board as shown in Figure 10 is produced, its preparation method and raw material are substantially the same manner as Example 2,
Difference is：It is only set there are one demarcation strip 33 and a mold core 32 in extrusion die 3, mental section is using figure
Mental section 2 shown in 10, as shown in Figure 10, the composite board of production are provided with one parallel to 1 plane of wood moulding frame
First separate in muscle 11, first separate in muscle 11 wood moulding frame 1 is separated into a first chamber and a second chamber, first
The internal face for separating chamber is bonded with mental section 2, another the second separation chamber is vacant.
Embodiment 5
Composite board as shown in figure 11 is produced, its preparation method and raw material are substantially the same manner as Example 2,
Difference is：It is set in extrusion die 3 there are one demarcation strip 33 and two mold cores 32, mental section uses Figure 11
Shown mental section 2.As shown in figure 11, the composite board of production is provided with the twice first parallel to 1 plane of wood moulding frame
Muscle 11 in separation, first separate in muscle 11 second separate in muscle 12 wood moulding frame 1 is separated into a first chamber and two the
Two chambers, the wall surface of the first separation chamber are bonded with mental section 2, and two second separation chambers are vacant.
Embodiment 6
Composite board as shown in figure 12 is produced, its preparation method and raw material are substantially the same manner as Example 2,
Difference is：There are one the mold core 32 of 33, the three big model of demarcation strip and one are small-sized for setting in extrusion die 3
Number mold core 32, mental section is using the mental section 2 shown in Figure 12.As shown in figure 12, the composite board of production is provided with flat
Row separates interior muscle 11 in the twice first of 1 plane of wood moulding frame and twice second separate interior muscle 12, first separate in muscle 11 and the
Wood moulding frame 1 is separated into a first chamber and four second chambers by muscle 12 in two compartment, and the wall surface of the first separation chamber glues
Mental section 2 is connected to, and four second chambers are vacant.The mental section 2 of Figure 12 and 2 location swap of mental section in Fig. 1.
Embodiment 7
Composite board as shown in fig. 13 that is produced, its preparation method and raw material are substantially the same manner as Example 1, and difference exists
In：
Demarcation strip 33 there are one being set in extrusion die 3.
Mental section：The present embodiment is using the mental section 2 shown in Figure 13, and substantially the same manner as Example 1, difference exists
In：Position is provided with step structure 15 to one wing plate of mental section 2 therebetween.
Composite board：Only there are one first to separate chamber, and mental section 2 is bonded in the first compartment room.The gold of Figure 13
Genotype material 2 is different from position of the mental section 2 in composite board in Fig. 1, the web of the mental section 2 in Figure 13 with it is compound
The outer layer (inner wall close to composite board surface) of plate is mutually bonded, and muscle in the web of the mental section 2 of Fig. 1 and the first separation
11 bondings.
Embodiment 8
Composite board as shown in figure 14 is produced, its preparation method and raw material are substantially the same manner as Example 1,
Difference is：It is set in extrusion die 3 there are one demarcation strip 33 and the mold core 32 of one, mental section is using figure
Mental section 2 shown in 14.
As shown in figure 14, the composite board of production is provided in the first separation together parallel to 1 plane of wood moulding frame
Muscle 11, first separate in muscle 11 wood moulding frame 1 is separated into a first chamber and a second chamber, first separates chamber
Wall surface is bonded with mental section 2, and second chamber is vacant.The mental section 2 of Figure 14 is with the mental section 2 in Fig. 1 in composite plate
Position in material is different, and the web of the mental section 2 in Figure 14 and the outer layer of composite board are (close to the interior of composite board surface
Wall) mutually it is bonded.
Embodiment 9
Composite board as shown in figure 15 is produced, its preparation method and raw material are substantially the same manner as Example 1,
Difference is：It is set in extrusion die 3 there are one demarcation strip 33 and the mold core 32 of two, mental section is using figure
Mental section 2 shown in 15.
As shown in figure 15, the composite board of production is provided in the first separation together parallel to 1 plane of wood moulding frame
Muscle 11 with together with second separate in muscle 12, first separate in muscle 11 and second separate in muscle 12 wood moulding frame 1 is separated into one
First chamber and two second chambers, the wall surface of the first separation chamber is bonded with mental section 2, and two second chambers are vacant.
The mental section 2 of Figure 15 is different from position of the mental section 2 in composite board in Fig. 1, the abdomen of the mental section 2 in Figure 15
Plate is mutually be bonded with the outer layer (inner wall close to composite board surface) of composite board.
Embodiment 10
Embodiment 10 is identical with the preparation method of embodiment 1, and difference is, the raw material of the wood moulding frame 1 used is different
Weigh the raw material of wood moulding frame 1：45 parts by weight of polyethylene (PE), 5 parts by weight of inorganic filler, 2 weight of lubricant
Part, 2 parts by weight of bulking agent, 1 parts by weight of processing aid, 23 parts by weight of wood powder, 3 parts by weight of impact modifier, 9 weight of fire retardant
Part, 1 parts by weight of bulking agent, 4 parts by weight of foaming agent, 5 parts of foam modifier.
Embodiment 11
Embodiment 11 is identical with the preparation method of embodiment 1, and difference is, the raw material of the wood moulding frame 1 used is different
Weigh the raw material of wood moulding frame 1：37 parts by weight of polypropylene PP, 10 parts by weight of fire retardant, 27 parts by weight of bamboo powder, nothing
10 parts by weight of machine filler, 5 parts by weight of impact modifier, 1 parts by weight of lubricant, 2 parts by weight of bulking agent, 3 parts by weight of foaming agent,
5 parts of foam modifier.
Embodiment 12
Embodiment 12 is identical with the preparation method of embodiment 1, and difference is, the raw material of the wood moulding frame 1 used is different
Weigh the raw material of wood moulding frame 1：40 parts by weight of chliorinated polyvinyl chloride, 30 parts by weight of wood powder, 7 weight of inorganic filler
Part, 8 parts by weight of impact modifier, 2 parts by weight of lubricant, 3 parts by weight of stabilizer, 1 parts by weight of bulking agent, 1 weight of processing aid
Part, 5 parts of 3 parts by weight of foaming agent, foam modifier.
Test case
Composite board (integral wall thickness 180mm, outer layer wood moulding wall thickness 10mm) prepared by Example 1 and 10-12, root
Foam inner layer density and wood moulding framework density are measured according to JG 169-2005, and fire-protection rating is tested according to GB 50222-1995,
According to the heat transfer coefficient of GB/T 13475-2008 determination samples.Its test result is shown in Table 1.
Table 1
| Embodiment 1 | Embodiment 10 | Embodiment 11 | Embodiment 12 | |
| Wood moulding framework density Kg/m3 | 865 | 761 | 793 | 893 |
| Fire-protection rating | B1 | B2 | B2 | B1 |
| Heat transfer coefficient W/ (m2K) | 0.32 | 0.25 | 0.27 | 0.35 |
By the data of table 1, the embodiment of the present invention 1 and the composite board prepared by 10-12, which can be straight
Connect to make the heat-insulating wall plate of light house, whole thickness of slab is done up to more than 100mm by adding fire retardant etc. in formula
Method can reach fire-retardant B2 grades or B1 grade of composite board, and flame retardant property is better than solid wood wooden house wall.Heat transfer coefficient is less than
0.40W/(m2K), heat-insulating property is significantly larger than the conventional houses such as concrete, air entrained concrete, hollow brick, and heat-insulating property is better than real
Wooden wooden house wall.
Although disclosed herein embodiment as above, the content only to facilitate understand the present invention and adopt
Embodiment is not limited to the present invention.Any those skilled in the art to which this invention pertains are not departing from this
On the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But the scope of patent protection of the present invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of wood moulding and the preparation method of the composite board of mental section coextrusion mold, which is characterized in that the composite board
Including wood moulding frame and mental section, the wood moulding frame is provided with first chamber, and the mental section is located in first chamber,
The wall surface of the first chamber is Nian Jie with the surface of mental section, wherein, the wood moulding frame is made of the Wood-plastic material foaming,
The mental section is ringent mental section, and the composite board is by extrusion die coextrusion mold, the extrusion die bag
Die ontology and demarcation strip are included, the demarcation strip is arranged in the cavity formed on the die ontology, which includes
Following steps：
Ringent mental section is sent into the mental section of the cavity and the demarcation strip is surrounded in a hollow container,
Exist to inject the gap of the Wood-plastic material of melting between the container and die ontology；
While being sent into the mental section, the Wood-plastic material of molten state is sent into the cavity, it is hot sticky with the mental section
It connects, and is cooled and shaped in the gap location, form the wood moulding frame being complex as a whole with mental section, which includes bag
Enclose the first chamber of the mental section；
While the mental section and the Wood-plastic material of molten state are sent into the cavity, gas sequentially passes through institute by air flue
Die ontology, cavity and demarcation strip are stated, subsequently into the container, then by the first chamber, to the container and first
Chamber cools down in carrying out；
The mental section passes through shaper, cooling and shaping, so as to which the composite plate be made with wood moulding frame resynchronisation
Material.
2. the preparation method of composite board according to claim 1, wherein, the wood moulding frame is provided with one or more
Second chamber.
3. the preparation method of composite board according to claim 1 or 2, wherein, it is provided in the wood moulding frame flat
Row is in muscle in one or multi-channel first separation of the composite board plane.
4. the preparation method of composite board according to claim 3, wherein, it is provided perpendicular in the wood moulding frame
Muscle in one or multi-channel second separation of the composite board.
5. the preparation method of composite board according to claim 1 or 2, wherein, one end of the composite board is provided with
It is convex stupefied, another opposite end set it is fluted, one block of composite board it is convex it is stupefied can be with the fit depressions of another block of composite board
Grafting.
6. the preparation method of composite board according to claim 1 or 2, wherein, one end of the composite board is provided with
Step structure, another opposite end are provided with step structure, and one piece of composite board step structure can be with another block of composite board
Step structure is in mating connection.
7. the preparation method of composite board according to claim 1 or 2, wherein, the wood moulding frame includes following weight
Part raw material：
Polyethylene or polypropylene or polyvinyl chloride or chliorinated polyvinyl chloride or 30~98 parts by weight of polymethyl methacrylate；
8. the preparation method of composite board according to claim 1 or 2, wherein, the cross section of the mental section is U
The profiled shape of shape, C-shaped or semi-surrounding.
9. the preparation method of composite board according to claim 1 or 2, wherein, the wall thickness of the mental section is 0.3-
8.0mm。
10. the preparation method of composite board according to claim 1, wherein, the extrusion die further includes one or more
A mold core exists to inject the gap of the Wood-plastic material of melting, the preparation between the mold core and closed entity, die ontology
Method further includes：
The Wood-plastic material of molten state is sent into the cavity, is formed after gap location cooling and shaping compound with mental section
The wood moulding frame being integrated includes muscle in outer layer and separation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410474903.3A CN105484422B (en) | 2014-09-17 | 2014-09-17 | A kind of wood moulding and the preparation method of the composite board of mental section coextrusion mold |
| PCT/CN2015/089867 WO2016041513A1 (en) | 2014-09-17 | 2015-09-17 | Extrusion mold and manufacturing method for composite plate material formed by coextrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410474903.3A CN105484422B (en) | 2014-09-17 | 2014-09-17 | A kind of wood moulding and the preparation method of the composite board of mental section coextrusion mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105484422A CN105484422A (en) | 2016-04-13 |
| CN105484422B true CN105484422B (en) | 2018-06-05 |
Family
ID=55671670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410474903.3A Active CN105484422B (en) | 2014-09-17 | 2014-09-17 | A kind of wood moulding and the preparation method of the composite board of mental section coextrusion mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105484422B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794463B (en) * | 2020-07-08 | 2021-09-07 | 烟台百盛建材科技有限公司 | Assembled combined wood-plastic plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB582159A (en) * | 1944-03-07 | 1946-11-06 | Standard Pressed Steel Co | Improvements in or relating to sheet metal doors |
| CN1482165A (en) * | 2002-12-23 | 2004-03-17 | 北京欧尼克环保技术有限公司 | Wood plastic foamed material and machine-shaping process thereof |
| CN201933650U (en) * | 2011-01-21 | 2011-08-17 | 上海衡峰氟碳材料有限公司 | Composite keel |
| CN202927452U (en) * | 2012-12-12 | 2013-05-08 | 安徽国风木塑科技有限公司 | Steel-plastic coextrusion wood plastic composite section bar |
| CN103101172A (en) * | 2011-11-10 | 2013-05-15 | 湖北高新明辉模具有限公司 | Wood and plastic steel core co-extrusion die |
| CN202946900U (en) * | 2012-11-27 | 2013-05-22 | 湖州新远见木塑科技有限公司 | Strengthened type wood-plastic horizontal hurdle or wood-plastic floor |
| CN204326361U (en) * | 2014-09-17 | 2015-05-13 | 北新集团建材股份有限公司 | The composite board with shape coextrusion mold moulded by a kind of wood |
-
2014
- 2014-09-17 CN CN201410474903.3A patent/CN105484422B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB582159A (en) * | 1944-03-07 | 1946-11-06 | Standard Pressed Steel Co | Improvements in or relating to sheet metal doors |
| CN1482165A (en) * | 2002-12-23 | 2004-03-17 | 北京欧尼克环保技术有限公司 | Wood plastic foamed material and machine-shaping process thereof |
| CN201933650U (en) * | 2011-01-21 | 2011-08-17 | 上海衡峰氟碳材料有限公司 | Composite keel |
| CN103101172A (en) * | 2011-11-10 | 2013-05-15 | 湖北高新明辉模具有限公司 | Wood and plastic steel core co-extrusion die |
| CN202946900U (en) * | 2012-11-27 | 2013-05-22 | 湖州新远见木塑科技有限公司 | Strengthened type wood-plastic horizontal hurdle or wood-plastic floor |
| CN202927452U (en) * | 2012-12-12 | 2013-05-08 | 安徽国风木塑科技有限公司 | Steel-plastic coextrusion wood plastic composite section bar |
| CN204326361U (en) * | 2014-09-17 | 2015-05-13 | 北新集团建材股份有限公司 | The composite board with shape coextrusion mold moulded by a kind of wood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105484422A (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105484373B (en) | A kind of composite board of coextrusion mold and preparation method thereof | |
| CN105484423B (en) | A kind of mental section and the molding composite board of wood-plastic co-extrusion and preparation method thereof | |
| CN102501506B (en) | PVC (Poly Vinyl Chloride) wood-plastic foaming composite and preparation method thereof | |
| CN105421650B (en) | A kind of composite board and preparation method thereof of wood moulding and foaming layer coextrusion mold | |
| CN204326361U (en) | The composite board with shape coextrusion mold moulded by a kind of wood | |
| WO2016041513A1 (en) | Extrusion mold and manufacturing method for composite plate material formed by coextrusion | |
| CN105484422B (en) | A kind of wood moulding and the preparation method of the composite board of mental section coextrusion mold | |
| CN105484377B (en) | A kind of polyurethane and the molding composite board of wood-plastic co-extrusion and preparation method thereof | |
| CN105484372B (en) | A kind of composite board of coextrusion mold and preparation method thereof | |
| CN204149492U (en) | A kind of wood is moulded, the extrusion die of the composite board of foaming layer and shape coextrusion mold | |
| CN204149483U (en) | A kind of wood is moulded, the extrusion die of the composite board of foaming layer and shape coextrusion mold | |
| CN107433721B (en) | A kind of preparation method of inorfil and wood-plastic composite panel | |
| CN107433720B (en) | A kind of preparation method of fire-resistant light granules and wood-plastic composite panel | |
| CN105437495B (en) | A kind of extrusion die of the composite board of wood moulding, foaming layer and mental section coextrusion mold | |
| CN204326363U (en) | A kind of shape and the shaping composite board of wood-plastic co-extrusion | |
| CN204326362U (en) | A kind of wood is moulded, the composite board of foaming layer and shape coextrusion mold | |
| CN204326360U (en) | A kind of wood is moulded, the composite board of polyurethane and shape coextrusion mold | |
| CN105437505B (en) | A kind of extrusion die of mental section and the molding composite board of wood-plastic co-extrusion | |
| CN204249312U (en) | The extrusion die of a kind of shape and the shaping composite board of wood-plastic co-extrusion | |
| CN204249304U (en) | The extrusion die of a kind of polyurethane and the shaping composite board of wood-plastic co-extrusion | |
| CN102733538B (en) | Architectural decoration thermoplastic non-metal composite material curtain wall and preparation method thereof | |
| CN204225303U (en) | A kind of polyurethane and the shaping composite board of wood-plastic co-extrusion | |
| CN206308817U (en) | A kind of heat-insulated sandwich composite board of energy-saving environment-protecting asepsis | |
| WO2016041512A1 (en) | Extrusion mold and manufacturing method for composite plate material formed by coextrusion | |
| CN205936172U (en) | High strength is crowded formula door and window section bar altogether |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |