CN105150644A - Co-extruded wood-plastic composite material - Google Patents
Co-extruded wood-plastic composite material Download PDFInfo
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- CN105150644A CN105150644A CN201510427616.1A CN201510427616A CN105150644A CN 105150644 A CN105150644 A CN 105150644A CN 201510427616 A CN201510427616 A CN 201510427616A CN 105150644 A CN105150644 A CN 105150644A
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- 239000000463 material Substances 0.000 title claims abstract description 50
- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 29
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 29
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 12
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims abstract description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims description 41
- 239000011347 resin Substances 0.000 claims description 40
- 238000001125 extrusion Methods 0.000 claims description 32
- 239000000835 fiber Substances 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 15
- 239000000049 pigment Substances 0.000 claims description 14
- 239000003112 inhibitor Substances 0.000 claims description 13
- 239000002023 wood Substances 0.000 claims description 13
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 230000003078 antioxidant effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 239000011256 inorganic filler Substances 0.000 claims description 5
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 5
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 4
- 239000004604 Blowing Agent Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 110
- 239000012792 core layer Substances 0.000 abstract description 7
- 239000002344 surface layer Substances 0.000 abstract 5
- 238000005469 granulation Methods 0.000 description 29
- 230000003179 granulation Effects 0.000 description 29
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 26
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 14
- 239000004743 Polypropylene Substances 0.000 description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 description 13
- 239000004698 Polyethylene Substances 0.000 description 12
- 239000002994 raw material Substances 0.000 description 12
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 7
- 239000011162 core material Substances 0.000 description 7
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 6
- -1 compatilizer Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 3
- 101100029145 Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) PE25 gene Proteins 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/30—Fillers, e.g. particles, powders, beads, flakes, spheres, chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/10—Natural fibres, e.g. wool, cotton
Landscapes
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a co-extruded wood-plastic composite material which comprises a surface layer and a core layer. The co-extruded wood-plastic composite material is characterized in that a middle layer which is formed by high-polarity thermoplastic resin and plays a binding role is arranged between the surface layer and the core layer, wherein the thickness of the middle layer is not less than 0.05 mm. The high-polarity thermoplastic resin is selected from maleic anhydride grafted EVA, an ethylene-acrylic acid copolymer and the like. According to the composite material provided by the invention, the high-polarity thermoplastic resin which is originally added into the surface layer independently forms a middle layer binding layer to bind the surface layer and the core layer, so that in an equal condition, the binding force of the wood-plastic material is improved by 20-127% compared to that of the surface layer and the core layer of a double-layered co-extruded wood-plastic material.
Description
One, technical field
The present invention relates to a kind of wood plastic composite, particularly a kind of co-extrusion type wood plastic composite, specifically a kind of co-extrusion type wood plastic composite by the three-decker of the bonding top layer of intermediate adhesive layer and sandwich layer.
Two, background technology
Wood plastic composite is generally resin based on the one in PE, PP, PVC, with auxiliary agents such as plant fiber powder, compatilizer, lubricants, through the environment friendly composite material that granulation, extrusion molding obtain.In order to improve the performances such as the weatherability of Wood-plastic material, fire-retardant, mildew-resistant and add a large amount of function additive, this substantially increases product cost undoubtedly.
Common co-extrusion type Wood-plastic material is made up of top layer and sandwich layer usually, and claim double-layer coextrusion wood plastic composite, some function additive can be added by demand in its top layer, improves some aspect performance.Sandwich layer provides mechanical property for material, generally moulds formula based on normal wood, only need add necessary processing aid, add less or do not add as function additives such as pigment, UV absorbent, fire retardant, mould inhibitors, thus reach the object reduced costs.
Because the polarity of the base resin raw material of processing method and table, sandwich layer is different, the adhesion of table-sandwich layer is the wooden focal point moulded of common co-extrusion.In order to improve the adhesion of table-sandwich layer, often selecting resin based on of the same race or the good resin of compatibility, in top layer, adding high polar thermoplastic resin to increase the adhesion between watch core layer, as ionomer, maleic anhydride grafted polyethylene etc. simultaneously.First, this method limits the range of choice of core, top layer base resin, can not play the advantage of each base resin better; Secondly, because table-sandwich layer adhesion size depends on the bond strength at boundary layer place, binding resin is directly added granulation in top layer to extrude it can be made dispersed, and the binding resin being in boundary layer is less, so only have when binding resin reaches certain addition, the binding resin of boundary layer just can make table-sandwich layer adhesion be increased to certain effect, and addition strengthens with the thickness increase on top layer, and this can cause cost to increase undoubtedly.
Three, summary of the invention
Need to add in top layer the defect of a large amount of high polar thermoplastic resins and table, the limited selection of core material to overcome existing double-layer coextrusion Wood-plastic material, the invention provides a kind of by table-in-the co-extrusion type wood plastic composite of core three-decker.Technical problem to be solved improves under the prerequisite not increasing high polar thermoplastic resin use amount and has enough cohesive forces between raising table-sandwich layer.
Thinking of the present invention the originally high polar thermoplastic resin added in top layer is formed independently tack coat (i.e. middle level) to bond top layer and sandwich layer.
Technical solution of the present invention comprises top layer 1, sandwich layer 3, and difference with the prior art is the middle level 2 having high polar thermoplastic resin to form between top layer 1 and sandwich layer 3, and the thickness in middle level 2 is not less than 0.05mm.
Described high polar thermoplastic resin is selected from least one such as maleic anhydride graft EVA, ethylene-acrylic acid copolymer, ethylene-ethyl acrylate copolymer, ethene-vinyl acetate-ethenol copolymer.These resins are moulded conventional base resin to wood and are all had good adhesion, make watch core layer be not easy to peel off.
Top layer 1 thickness 0.1 ~ 2mm, by resin based on the one in PE, PP, PVC, ASA, adds the function additives such as inorganic filler, pigment, lubricant, antioxidant, UV absorbent, mould inhibitor, fire retardant as required.
Also can add 0 ~ 25% (mass percent, lower same) plant fiber powder in top layer 1, the appropriate plant fiber powder that adds is intended to reduce costs.
The each component in top layer 1 is as follows: base resin 60% ~ 85%, plant fiber powder 0% ~ 25%, compatilizer 1% ~ 3%, inorganic filler 3% ~ 10%, pigment 0% ~ 1%, lubricant 1.5% ~ 3%, antioxidant 0.3% ~ 2%, UV absorbent 0.3% ~ 2%, mould inhibitor 1% ~ 3%, fire retardant 0% ~ 20%, anti-wear agent 0% ~ 10%.
Sandwich layer 3 thickness 10 ~ 50mm, core 3 material is selected from PE, PP base not foam wood/plastic composite material, or PVC base foam wood/plastic composite material, or resin based on any one resin in PE, PP, PVC, process the wood plastic composite obtained according to the following ratio:
Base resin 20% ~ 60%, plant fiber powder 40% ~ 70%, compatibility 1.5% ~ 4%, blowing agent 0% ~ 0.5%, inorganic filler 5% ~ 12%, pigment 0% ~ 1%, lubricant 1.5% ~ 4.5%, antioxidant 0% ~ 1%, mould inhibitor 0% ~ 1.5%.
This co-extrusion type wood and plastic composite preparation method for material, comprises the following steps: table, each raw material of sandwich layer mix separately rear granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, be finally combined into the co-extrusion type wood plastic composite with three-decker.
The Wood-plastic material of the different colours reclaimed can directly be worked as raw material and be used by this sandwich layer 3 after fragmentation.
Due to the raising of adhesion between table-sandwich layer, so the side of this co-extrusion type wood plastic composite can process tongue-and-groove, make easy for installation, good stability.The upper and lower surface band flank of tooth, to improve coefficient of friction and and to improve aesthetic property.Sandwich layer can process cavity, to reduce the weight of bill of materials bit length, saves use cost.
Applicant has under equal conditions carried out contrast test, and result shows, this three-layer co-extruded Wood-plastic material generally improves 20% ~ 127% (table 1, table 2) compared with the normality peeling force of double-layer coextrusion Wood-plastic material top layer and sandwich layer.So-called equal conditions refers to that the length and width of sheet material are identical, and the thickness of top layer and sandwich layer, material and proportioning thereof are also identical, and binding resin kind used is also identical with addition.Just binding resin forms the thick middle level of 1mm in this application, is but added in top layer in comparative example.
Four, accompanying drawing explanation
Fig. 1 ~ Fig. 5 is the plate construction schematic diagram of this co-extrusion type wood plastic composite.
Plate moulded by Fig. 1 solid plain co-extrusion type wood.
Plate moulded by Fig. 2 cavity co-extrusion type wood.
Plate moulded by Fig. 3 cavity band tongue-and-groove co-extrusion type wood.
Plate moulded by Fig. 4 cavity flank of tooth band tongue-and-groove co-extrusion type wood.
On Fig. 5, plate moulded by dedendum flank band tongue-and-groove co-extrusion type wood.
Five, detailed description of the invention
Using maleic anhydride graft EVA, ethylene-acrylic acid copolymer, ethylene-ethyl acrylate copolymer, the contour polar thermoplastic resin of ethene-vinyl acetate-ethenol copolymer as bonding agent processing middle level 2, middle level 2 thickness 0.1mm, top layer 1 thickness 0.6mm, core layer thickness 21mm, Fig. 1 mould is example, and non-limiting examples is described below.In addition, the equal corresponding pair of lamina co-extrusion Wood-plastic material of every example, sheet material length and width are identical, and the top layer raw material used with sandwich layer, ratio are identical with consumption, and kind, the addition of binding resin are also identical.Should be known technology, process repeats no more.
Embodiment 1
Top layer: PE80%, PE-g-MAH2%, calcium carbonate 10%, pigment 0.5%, zinc stearate 0.5%, Tissuemat E 1%, antioxidant 1010 2%, UV-5312%, mould inhibitor 2%.Middle level: maleic anhydride graft EVA50%, ethylene-acrylic acid copolymer 50%.Sandwich layer: PE25%, plant fiber powder 60%, PE-g-MAH5.5%, calcium carbonate 6%, zinc stearate 1%, Tissuemat E 1.5%, antioxidant 1010 1%.
To show, each raw material of sandwich layer according to the above ratio separately mixing after granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, finally being combined into top layer is PE resin, and sandwich layer is the three-decker co-extrusion type wood plastic composite of PE base wood-plastic composite material.
Embodiment 2
Top layer: PE76%, plant fiber powder 7%, PE-g-MAH3%, calcium carbonate 6%, pigment 0.5%, zinc stearate 0.7%, Tissuemat E 1.2%, antioxidant 1010 1.8%, UV-5311.8%, mould inhibitor 2%.Middle level: ethylene-acrylic acid copolymer 100%.Sandwich layer: PE25%, plant fiber powder 60%, PE-g-MAH5.5%, calcium carbonate 6%, zinc stearate 1%, Tissuemat E 1.5%, antioxidant 1010 1%.
To show, each raw material of sandwich layer according to the above ratio separately mixing after granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, be finally combined into the three-decker co-extrusion type wood plastic composite that core top layer is PE base wood-plastic composite material.
Embodiment 3
Top layer: PE65%, PE-g-MAH2%, fire retardant 25%, pigment 0.5%, zinc stearate 0.5%, Tissuemat E 1%, antioxidant 2%, UV absorbent 2%, mould inhibitor 2%.Middle level: maleic anhydride graft EVA30%, ethylene-ethyl acrylate copolymer 70%.Sandwich layer: PP35%, plant fiber powder 50%, PP-g-MAH5%, calcium carbonate 6%, zinc stearate 1%, polypropylene wax 2%, antioxidant 10761%.
To show, each raw material of sandwich layer according to the above ratio separately mixing after granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, finally being combined into top layer is PE resin, and sandwich layer is the surface antiflaming type three-decker co-extrusion type wood plastic composite of PP base wood-plastic composite material.
Embodiment 4
Top layer: ASA62%, AS21%, pigment 0.5%, calcium carbonate 10%, zinc stearate 1%, Tissuemat E 2%, antioxidant 1010 1.5%, mould inhibitor 2%.Middle level: maleic anhydride graft EVA70%, ethene-vinyl acetate-ethenol copolymer 30%.Sandwich layer: PP35%, plant fiber powder 50%, PP-g-MAH5%, calcium carbonate 6%, zinc stearate 1%, polypropylene wax 2%, antioxidant 10761%.
To show, each raw material of sandwich layer according to the above ratio separately mixing after granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, finally being combined into top layer is ASA resin, and sandwich layer is the three-layer co-extruded type wood plastic composite of PP base wood-plastic composite material.
Embodiment 5
Top layer: PE80%, PE-g-MAH2%, calcium carbonate 10%, pigment 0.5%, zinc stearate 1%, Tissuemat E 2%, antioxidant 1.5%, UV absorbent 1.5%, mould inhibitor 1.5%.Middle level: ethene-vinyl acetate-ethenol copolymer 15%, ethylene-acrylic acid copolymer 85%.Sandwich layer: PVC58%, plant fiber powder 18%, AC blowing agent 1%, ACR blowing promotor 3%, tribasic lead sulfate 1.5%, DOP7%, calcium carbonate 8%, zinc stearate 1%, Tissuemat E 2.5%.
To show, each raw material of sandwich layer according to the above ratio separately mixing after granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, finally being combined into top layer is PE resin, and sandwich layer is the three-layer co-extruded type wood plastic composite of PVC foam wood/plastic composite material.
Embodiment 6
Top layer: PVC72%, plant fiber powder 10%, calcium carbonate 8%, tribasic lead sulfate 1.5%, pigment 0.5%, zinc stearate 1%, Tissuemat E 2%, DOP5%.Middle level: ethene-vinyl acetate-ethenol copolymer 100%.Sandwich layer: PP35%, plant fiber powder 50%, PP-g-MAH5%, calcium carbonate 6%, zinc stearate 1%, polypropylene wax 2%, antioxidant 1010 1%.
To show, each raw material of sandwich layer according to the above ratio separately mixing after granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, finally being combined into top layer is polyvinyl chloride resin, and sandwich layer is the three-layer co-extruded type wood plastic composite of PP base wood-plastic composite material.
Embodiment 7
Skin-material: PE80%, PE-g-MAH2%, calcium carbonate 10%, pigment 0.5%, zinc stearate 0.5%, Tissuemat E 1%, antioxidant 1010 2%, UV-1312%, mould inhibitor 2%.Middle layer material: maleic anhydride graft EVA100%.Core material: variegated PP sill moulds recovery broken material.
To show, each raw material of sandwich layer according to the above ratio separately mixing after granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, finally being combined into top layer is PE resin, and sandwich layer is three-decker, the co-extrusion type wood plastic composite that PP sill moulds reclaimed materials.
Embodiment 8
Top layer: PP80%, PP-g-MAH compatilizer 2%, calcium carbonate 10%, pigment 0.5%, zinc stearate 0.5%, Tissuemat E 1%, antioxidant 10762%, UV-1312%, mould inhibitor 2%.Middle level: ethylene-acrylic acid copolymer 100%.Core material: variegated PE sill moulds recovery broken material.
To show, each raw material of sandwich layer according to the above ratio separately mixing after granulation.Top layer granulation material and middle level adhering resin are first extruded into mould by two co-extrusion subsidiary engines respectively, sandwich layer granulation material is extruded into mould by a main extruder again, adjust each extruder engine speed and feeding rotating ratio, finally being combined into top layer is PP resin, and sandwich layer is the three-decker co-extrusion type wood plastic composite that PE sill moulds reclaimed materials.
The sheet material of embodiment and comparative example is detected adhesion between table-sandwich layer by the method that GB/T17657-2013 standard specifies.The results are shown in Table 1, table 2.
Table 1
Table 2
Claims (5)
1. a co-extrusion type wood plastic composite, comprise top layer (1), sandwich layer (3), it is characterized in that: between top layer (1) and sandwich layer (3), have the middle level (2) that high polar thermoplastic resin is formed, middle level (2) thickness is not less than 0.05mm.
2. composite according to claim 1, is characterized in that: described high polar thermoplastic resin is selected from least one in maleic anhydride graft EVA, ethylene-acrylic acid copolymer, ethylene-ethyl acrylate copolymer, ethene-vinyl acetate-ethenol copolymer.
3. composite according to claim 1 and 2, is characterized in that: middle level (2) thickness 1mm.
4. composite according to claim 1, is characterized in that: top layer (1) thickness is 0.1 ~ 2mm, by resin based on the one in PE, PP, PVC, ASA, adds function additive, and concrete formula is as follows:
Base resin 60% ~ 85%, plant fiber powder 0% ~ 25%, compatilizer 1% ~ 3%, inorganic filler 3% ~ 10%, pigment 0% ~ 1%, lubricant 1.5% ~ 3%, antioxidant 0.3% ~ 2%, UV absorbent 0.3% ~ 2%, mould inhibitor 1% ~ 3%, fire retardant 0% ~ 20%, anti-wear agent 0% ~ 10%.
5. composite according to claim 1, it is characterized in that: sandwich layer (3) thickness 10 ~ 50mm, sandwich layer (3) material be selected from PE, PP base not foam wood/plastic composite material or PVC base foam wood/plastic composite material or in PE, PP, PVC resin based on any one resin, process the wood plastic composite obtained according to the following ratio:
Base resin 20% ~ 60%, plant fiber powder 40% ~ 70%, compatilizer 1.5% ~ 4%, blowing agent 0% ~ 0.5%, inorganic filler 5% ~ 12%, pigment 0% ~ 1%, lubricant 1.5% ~ 4.5%, antioxidant 0% ~ 1%, mould inhibitor 0% ~ 1.5%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427616.1A CN105150644B (en) | 2015-07-17 | 2015-07-17 | Co-extruded wood-plastic composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427616.1A CN105150644B (en) | 2015-07-17 | 2015-07-17 | Co-extruded wood-plastic composite material |
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| CN105150644B CN105150644B (en) | 2017-04-19 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538788A (en) * | 2016-02-17 | 2016-05-04 | 苏州洲联材料科技有限公司 | Flame-retardant five-layer co-extrusion totally-coated inorganic board |
| CN105670111A (en) * | 2015-12-31 | 2016-06-15 | 南京林业大学 | Ageing-resistant reinforced wood plastic composite material and preparation method thereof |
| CN106065137A (en) * | 2016-06-17 | 2016-11-02 | 金发科技股份有限公司 | A kind of self-reinforcing profile shapes and its preparation method and application |
| CN106366504A (en) * | 2016-08-30 | 2017-02-01 | 曾立敏 | Environmentally-friendly composite material and manufacturing method thereof |
| CN106380726A (en) * | 2016-08-30 | 2017-02-08 | 曾立敏 | Eco-friendly composite material and production method thereof |
| CN106515150A (en) * | 2016-10-27 | 2017-03-22 | 华南农业大学 | Hot-pressed wood-plastic composite with sandwich structure and manufacturing method thereof |
| CN109572111A (en) * | 2018-11-19 | 2019-04-05 | 安徽国风木塑科技有限公司 | A kind of three-layer co-extruded Wood-plastic profiles of high rigidity and preparation method thereof |
| CN110216959A (en) * | 2019-05-31 | 2019-09-10 | 六盘水康博木塑科技有限公司 | A kind of co-extrusion type wood plastic composite and preparation method thereof |
| CN110497668A (en) * | 2019-08-28 | 2019-11-26 | 安徽中科达美新材料科技有限公司 | A kind of the wood plastic wall plate and its forming method of insulation |
| CN111231469A (en) * | 2020-03-27 | 2020-06-05 | 安徽森泰木塑集团股份有限公司 | Double-layer PE co-extrusion wood-plastic plate and preparation method thereof |
| CN112643838A (en) * | 2020-12-23 | 2021-04-13 | 广州科居整装阳台科技有限公司 | Co-extruded artificial board and manufacturing method thereof |
| CN112874085A (en) * | 2020-06-23 | 2021-06-01 | 国际竹藤中心 | Light high-strength wood-plastic composite material and preparation method thereof |
| CN113619215A (en) * | 2021-08-27 | 2021-11-09 | 东北林业大学 | Sandwich-structure flame-retardant wood-plastic composite material and preparation method thereof |
| CN115139613A (en) * | 2022-07-07 | 2022-10-04 | 广州溢科复合新材科技有限公司 | PE wood-plastic wallboard and preparation method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670111A (en) * | 2015-12-31 | 2016-06-15 | 南京林业大学 | Ageing-resistant reinforced wood plastic composite material and preparation method thereof |
| CN105670111B (en) * | 2015-12-31 | 2018-08-14 | 南京林业大学 | A kind of ageing-resistant enhancing wood plastic composite |
| CN105538788A (en) * | 2016-02-17 | 2016-05-04 | 苏州洲联材料科技有限公司 | Flame-retardant five-layer co-extrusion totally-coated inorganic board |
| CN106065137A (en) * | 2016-06-17 | 2016-11-02 | 金发科技股份有限公司 | A kind of self-reinforcing profile shapes and its preparation method and application |
| CN106065137B (en) * | 2016-06-17 | 2019-01-22 | 金发科技股份有限公司 | A kind of self-reinforcing profile shapes and its preparation method and application |
| CN106366504A (en) * | 2016-08-30 | 2017-02-01 | 曾立敏 | Environmentally-friendly composite material and manufacturing method thereof |
| CN106380726A (en) * | 2016-08-30 | 2017-02-08 | 曾立敏 | Eco-friendly composite material and production method thereof |
| CN106515150A (en) * | 2016-10-27 | 2017-03-22 | 华南农业大学 | Hot-pressed wood-plastic composite with sandwich structure and manufacturing method thereof |
| CN109572111A (en) * | 2018-11-19 | 2019-04-05 | 安徽国风木塑科技有限公司 | A kind of three-layer co-extruded Wood-plastic profiles of high rigidity and preparation method thereof |
| CN110216959A (en) * | 2019-05-31 | 2019-09-10 | 六盘水康博木塑科技有限公司 | A kind of co-extrusion type wood plastic composite and preparation method thereof |
| CN110497668A (en) * | 2019-08-28 | 2019-11-26 | 安徽中科达美新材料科技有限公司 | A kind of the wood plastic wall plate and its forming method of insulation |
| CN111231469A (en) * | 2020-03-27 | 2020-06-05 | 安徽森泰木塑集团股份有限公司 | Double-layer PE co-extrusion wood-plastic plate and preparation method thereof |
| CN112874085A (en) * | 2020-06-23 | 2021-06-01 | 国际竹藤中心 | Light high-strength wood-plastic composite material and preparation method thereof |
| CN112643838A (en) * | 2020-12-23 | 2021-04-13 | 广州科居整装阳台科技有限公司 | Co-extruded artificial board and manufacturing method thereof |
| CN112643838B (en) * | 2020-12-23 | 2022-05-10 | 安徽科居新材料科技有限公司 | Co-extruded artificial board and manufacturing method thereof |
| CN113619215A (en) * | 2021-08-27 | 2021-11-09 | 东北林业大学 | Sandwich-structure flame-retardant wood-plastic composite material and preparation method thereof |
| CN113619215B (en) * | 2021-08-27 | 2022-05-03 | 东北林业大学 | Sandwich-structure flame-retardant wood-plastic composite material and preparation method thereof |
| CN115139613A (en) * | 2022-07-07 | 2022-10-04 | 广州溢科复合新材科技有限公司 | PE wood-plastic wallboard and preparation method thereof |
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