CN116278264B - PVC wood-plastic composite self-reinforced section bar and preparation method thereof - Google Patents
PVC wood-plastic composite self-reinforced section bar and preparation method thereof Download PDFInfo
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- CN116278264B CN116278264B CN202310150771.8A CN202310150771A CN116278264B CN 116278264 B CN116278264 B CN 116278264B CN 202310150771 A CN202310150771 A CN 202310150771A CN 116278264 B CN116278264 B CN 116278264B
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- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 40
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 124
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 75
- 230000035515 penetration Effects 0.000 claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 239000012790 adhesive layer Substances 0.000 claims abstract description 18
- 238000010030 laminating Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 43
- 239000002313 adhesive film Substances 0.000 claims description 37
- 238000002156 mixing Methods 0.000 claims description 37
- 239000004094 surface-active agent Substances 0.000 claims description 25
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 24
- 229920005989 resin Polymers 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 23
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 17
- 238000007731 hot pressing Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 16
- 239000003381 stabilizer Substances 0.000 claims description 16
- AVBJHQDHVYGQLS-AWEZNQCLSA-N (2s)-2-(dodecanoylamino)pentanedioic acid Chemical compound CCCCCCCCCCCC(=O)N[C@H](C(O)=O)CCC(O)=O AVBJHQDHVYGQLS-AWEZNQCLSA-N 0.000 claims description 14
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 14
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 14
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- -1 polypropylene Polymers 0.000 claims description 13
- 239000002023 wood Substances 0.000 claims description 13
- 239000010445 mica Substances 0.000 claims description 12
- 229910052618 mica group Inorganic materials 0.000 claims description 12
- 239000010456 wollastonite Substances 0.000 claims description 12
- 229910052882 wollastonite Inorganic materials 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 11
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 10
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims description 10
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- 239000010881 fly ash Substances 0.000 claims description 10
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 10
- 239000000347 magnesium hydroxide Substances 0.000 claims description 10
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 10
- 229920000058 polyacrylate Polymers 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000012792 core layer Substances 0.000 claims description 6
- 239000000314 lubricant Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical group [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- 229920002545 silicone oil Polymers 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 150000002191 fatty alcohols Chemical class 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 239000004800 polyvinyl chloride Substances 0.000 description 36
- 229920000915 polyvinyl chloride Polymers 0.000 description 35
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 13
- 238000003475 lamination Methods 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 238000005303 weighing Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 7
- 229920007019 PC/ABS Polymers 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000002195 synergetic effect Effects 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000037430 deletion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- SFNALCNOMXIBKG-UHFFFAOYSA-N ethylene glycol monododecyl ether Chemical compound CCCCCCCCCCCCOCCO SFNALCNOMXIBKG-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
-
- 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
- B32B3/26—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 a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—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 a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a PVC wood-plastic composite self-reinforced section bar and a preparation method thereof, and relates to the technical field of wood-plastic composite materials, wherein the self-reinforced section bar is formed by laminating a plurality of layers of single plates, a reinforcing layer is arranged between two layers of single plates, an adhesive layer is arranged between the reinforcing layer and the single plates, a first penetration hole is formed in the surface of the reinforcing layer, a second penetration hole is formed in the surface of the single plate positioned in an inner layer, and part of adhesive of the adhesive layer penetrates into the first penetration hole and the second penetration hole; the preparation method of the PVC wood-plastic composite self-reinforced section bar specifically comprises the following steps: s1, preparing a reinforcing layer; s2, preparing a single board; s3, preparing the self-reinforced section bar. The PVC wood-plastic composite self-reinforced section bar prepared by the invention has excellent mechanical properties, and can be applied to various occasions with high requirements on mechanical properties.
Description
Technical Field
The invention relates to the technical field of wood-plastic composite materials, in particular to a PVC wood-plastic composite self-reinforced section bar and a preparation method thereof.
Background
The wood-plastic composite material is a new type of composite material which is vigorously developed in recent years at home and abroad, and is prepared by using polyethylene, polypropylene, polyvinyl chloride and the like to replace common resin adhesive, mixing the resin adhesive with waste plant fibers such as wood powder, rice hulls, straw and the like to form a new wood material, and then carrying out plastic processing processes such as extrusion, mould pressing, injection molding and the like to produce plates or profiles. The wood-plastic composite material is mainly used in the industries of building materials, furniture, logistics packaging and the like. The PVC wood-plastic composite profile is a main type of wood-plastic composite material, namely a composite profile formed by melt blending processing of polyvinyl chloride (PVC) and plant fiber materials, is environment-friendly, and has the excellent characteristics of wood and plastic.
The existing PVC wood-plastic composite section has good plasticity, antibacterial property and durability, but in order to expand the application range of the PVC wood-plastic composite section, the mechanical properties of the PVC wood-plastic composite section also need to be improved. Therefore, a PVC wood-plastic self-reinforced section bar and a preparation method thereof are provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the PVC wood-plastic composite self-reinforced section bar and the preparation method thereof, and solves the problems of poor mechanical property and insufficient strength of the existing PVC wood-plastic composite section bar.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the PVC wood-plastic composite self-reinforced section bar is formed by laminating a plurality of layers of veneers, a reinforcing layer is arranged between the two layers of veneers, an adhesive layer is arranged between the reinforcing layer and the veneers, first penetrating holes are formed in the surface of the reinforcing layer, second penetrating holes are formed in the surface of the veneers positioned in the inner layer, and part of adhesive of the adhesive layer penetrates into the first penetrating holes and the second penetrating holes.
Preferably, the reinforcing layer comprises 35-50 parts by weight of fly ash, 15-25 parts by weight of wollastonite fiber, 10-20 parts by weight of mica powder, 15-30 parts by weight of coumarone resin, 5-10 parts by weight of polyacrylate, 2-5 parts by weight of alpha-methylstyrene and 1-3 parts by weight of compatilizer.
Preferably, the veneer is made from the following components in parts by weight: 60-90 parts of PVC resin, 10-30 parts of wood powder, 10-20 parts of calcium carbonate, 10-16 parts of magnesium hydroxide, 10-15 parts of polypropylene fiber, 3-7 parts of ACR4013, 2-6 parts of stabilizer, 1-3 parts of lubricant, 1-3 parts of calcium bicarbonate and 1-2 parts of coupling agent.
Preferably, the stabilizer is a calcium zinc stabilizer or an organotin stabilizer.
Preferably, the lubricant is one of PE wax, silicone oil and glycerin.
Preferably, the coupling agent is a silane coupling agent or a titanate coupling agent.
The preparation method of the PVC wood-plastic composite self-reinforced section bar specifically comprises the following steps:
s1, preparing a reinforcing layer:
stirring and mixing the fly ash, wollastonite fiber and mica powder uniformly, adding coumarone resin and a compatilizer into the mixture, stirring uniformly, adding polyacrylate and alpha-methylstyrene into the mixture, extruding, pressing, slicing and cooling the mixture to obtain a reinforced layer profile;
the surface of the reinforced layer profile is provided with first permeation holes which are respectively distributed along the length and width directions of the veneer in an array manner;
coating a surfactant on the surface of the reinforcing layer;
s2, preparing a single plate:
uniformly mixing the PVC resin and wood powder, putting the mixture into an open mill preheated to 210-230 ℃ for mixing, adding calcium carbonate, magnesium hydroxide and polypropylene fibers into the mixture for uniform mixing, adding ACR401, a stabilizer, a lubricant, calcium bicarbonate and a coupling agent for continuous mixing and mixing, and obtaining a veneer after finishing mixing by lower roll, profile pressing, slicing and cooling;
reserving two veneers without perforating, and arranging second penetrating holes on the surfaces of other veneers, wherein the second penetrating holes are respectively distributed in an array along the length and width directions of the veneers and are staggered with the first penetrating holes;
s3.1, setting an inner core layer in the middle of the profile as a reinforcing layer;
s3.2, adhesive films are adhered to the upper surface and the lower surface of the reinforcing layer;
s3.3, attaching a veneer on the other surface of the adhesive film in the step S3.2;
s3.4, pasting an adhesive film on the other surface of the veneer in the step S3.3;
s3.5, attaching a reinforcing layer on the other surface of the adhesive film in the step S3.4;
s3.6, pasting an adhesive film on the other surface of the reinforcing layer in the step S3.5;
s3.7, attaching a veneer on the other surface of the adhesive film in the step S3.6;
s3.8, returning to S3.4, circularly attaching, and taking two untreated veneers as the outermost veneers of the section bar, and overlapping to obtain a section bar structure with 6-10 layers of veneers;
s3.9, performing primary pressing and hot pressing on the preliminarily molded profile structure, wherein the adhesive film is melted in the hot pressing process, and a part of melted adhesive is filled into the first penetration hole and the second penetration hole;
s3.10, cooling and solidifying to finish the preparation of the profile.
Preferably, the surfactant comprises lauroyl glutamic acid, sodium dodecyl sulfate and fatty alcohol polyoxyethylene ether.
Preferably, the lauroyl glutamic acid accounts for 65-75% of the surfactant.
Preferably, the fatty alcohol-polyoxyethylene ether accounts for 1-5% of the surfactant.
(III) beneficial effects
The invention provides a PVC wood-plastic self-reinforced section bar and a preparation method thereof. Compared with the prior art, the method has the following beneficial effects:
1. the structure of section bar sets up to have the enhancement layer between two-layer veneer, and sets up the adhesive layer again between enhancement layer and the veneer, and the main role of enhancement layer is for the section bar reinforcing, sets up the adhesive layer and is from promoting the angle of adhesion between veneer and the enhancement layer and go to promote the mechanical properties of section bar, because under the circumstances that the interlayer cohesion improves, the whole mechanical properties of section bar can be promoted.
2. The preparation method of the section bar discloses preparation of a reinforcing layer, preparation of a veneer and preparation of the section bar, wherein the section bar is laminated from the middle to the upper end and from the lower end, and the lamination mode can ensure that the laminated section bar has excellent uniformity and the lamination operation is simple and quick; and after lamination, performing initial lamination and hot pressing, wherein a hot pressing mode is selected because the adhesive layer in the lamination process is a solid adhesive film, the adhesive is melted during hot pressing and then filled into the first penetrating holes and the second penetrating holes, the redundant adhesive is solidified in the cooling process and still serves as the adhesive layer to tightly connect the veneer with the reinforcing layer, and the contact area of the adhesive and the veneer/reinforcing layer is increased by the arrangement of the first penetrating holes and the second penetrating holes, so that the interlayer bonding force is increased, and the mechanical property of the profile is ensured to be improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a graphene film conformal antenna layer structure according to embodiment 1 of the present invention;
FIG. 2 is a schematic top view of an inner veneer according to embodiment 1 of the present invention;
fig. 3 is a schematic top view of the reinforcement layer of embodiment 1 of the present invention.
Wherein: 1. a single board; 11. a second penetration hole; 2. a reinforcing layer; 21. a first penetration hole; 3. and an adhesive layer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
According to the PVC wood-plastic composite self-reinforced section bar and the preparation method thereof, the problems of poor mechanical property and insufficient strength of the existing PVC wood-plastic composite section bar are solved, the application range of the prepared PVC wood-plastic composite section bar is improved, and the PVC wood-plastic composite section bar can be widely applied to special scenes with high strength requirements.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
The preparation raw materials of the invention are all purchased from a synthetic manufacturer.
Example 1
As shown in fig. 1, the PVC wood-plastic composite self-reinforced section bar is formed by laminating 6 layers of single boards 1, a reinforcing layer 2 is arranged between two layers of single boards 1, and an adhesive layer 3 is arranged between the reinforcing layer 2 and the single boards 1;
the reinforcing layer 2 comprises 35 parts of fly ash, 15 parts of wollastonite fiber, 10 parts of mica powder, 15 parts of coumarone resin, 5 parts of polyacrylate, 2 parts of alpha-methylstyrene and 1 part of PC/ABS toughening compatilizer;
the veneer 1 is prepared from the following components in parts by weight: 60 parts of PVC resin, 10 parts of wood powder, 10 parts of calcium carbonate, 10 parts of magnesium hydroxide, 10 parts of polypropylene fiber, 3 parts of ACR4013, 2 parts of calcium-zinc stabilizer, 1 part of PE wax, 1 part of calcium bicarbonate and 1 part of vinyl triethoxysilane.
Referring to fig. 2 and 3, the preparation method of the PVC wood-plastic composite self-reinforced section bar specifically comprises the following steps:
s1, preparing a reinforcing layer 2:
weighing the raw materials according to the weight parts, stirring and mixing the fly ash, wollastonite fiber and mica powder uniformly, adding coumarone resin and PC/ABS toughening compatilizer into the mixture, stirring uniformly, adding polyacrylate and alpha-methylstyrene, stirring uniformly, extruding, pressing, slicing and cooling the blend to obtain the reinforced layer 2 profile;
the surface of the reinforced layer 2 section bar is provided with first penetrating holes 21, and the first penetrating holes 21 penetrate through the reinforced layer 2 section bar along the thickness direction of the reinforced layer 2 section bar and are respectively distributed in an array along the length and width directions of the veneer 1;
weighing 65% by mass: 34%:1% of lauroyl glutamic acid, sodium dodecyl sulfate and laurinol polyoxyethylene ether;
dissolving the components in deionized water solution to prepare surfactant aqueous solution, coating the surfactant aqueous solution on the surface of the reinforcing layer 2 for two times, and standing for standby after the surfactant aqueous solution is dried thoroughly;
s2, preparing a single board 1:
weighing the raw materials according to the weight parts, uniformly mixing PVC resin and wood powder, putting into an open mill preheated to 210 ℃ for mixing, adding calcium carbonate, magnesium hydroxide and polypropylene fibers into the mixture for uniform mixing, adding ACR401, a calcium-zinc stabilizer, PE wax, calcium bicarbonate and vinyltriethoxysilane for continuous mixing and mixing, and obtaining a veneer 1 after the mixing is completed, and carrying out lower roll pressing, slicing and cooling;
two veneers 1 are reserved for no treatment, the surfaces of other veneers 1 are provided with second penetrating holes 11, the second penetrating holes 11 penetrate through the veneers 1 along the thickness direction, and the second penetrating holes 11 are respectively distributed in an array along the length and width directions of the veneers 1 and are staggered with the first penetrating holes 21;
s3, preparing a self-reinforced section bar:
s3.1, setting a middle inner core layer of the profile as a reinforcing layer 2;
s3.2, adhesive films are adhered to the upper surface and the lower surface of the reinforcing layer 2;
s3.3, attaching a veneer 1 to the other surface of the adhesive film in the step S3.2;
s3.4, pasting an adhesive film on the other surface of the veneer 1 in the step S3.3;
s3.5, attaching a reinforcing layer 2 to the other surface of the adhesive film in the step S3.4;
s3.6, pasting an adhesive film on the other surface of the reinforcing layer 2 in the step S3.5;
s3.7, attaching a veneer 1 to the other surface of the adhesive film in the step S3.6;
s3.8, returning to S3.4, circularly attaching, and taking the two untreated veneers 1 as the outermost veneers 1 of the section bar, and overlapping to obtain a section bar structure with 6 layers of veneers 1;
s3.9, performing primary pressing and hot pressing on the primarily molded section structure, wherein the adhesive film is melted in the hot pressing process, and a part of melted adhesive is filled into the first penetration holes 21 and the second penetration holes 11;
s3.10, cooling and solidifying to finish the preparation of the profile.
Example 2
The PVC wood-plastic composite self-reinforced section bar is formed by laminating 8 layers of single plates, a reinforcing layer is arranged between the two layers of single plates, and an adhesive layer is arranged between the reinforcing layer and the single plates;
the reinforcing layer comprises 42.5 parts of fly ash, 20 parts of wollastonite fiber, 15 parts of mica powder, 22.5 parts of coumarone resin, 7.5 parts of polyacrylate, 3.5 parts of alpha-methyl styrene and 2 parts of PC/ABS toughening compatilizer;
the veneer is prepared from the following components in parts by weight: 60 parts of PVC resin, 10 parts of wood powder, 10 parts of calcium carbonate, 10 parts of magnesium hydroxide, 10 parts of polypropylene fiber, 3 parts of ACR4013, 2 parts of organic tin stabilizer, 1 part of silicone oil, 1 part of calcium bicarbonate and 1 part of titanate.
The preparation method of the PVC wood-plastic composite self-reinforced section bar specifically comprises the following steps:
s1, preparing a reinforcing layer:
weighing the raw materials according to the weight, stirring and mixing the fly ash, wollastonite fiber and mica powder uniformly, adding coumarone resin and PC/ABS toughening compatilizer into the mixture, stirring uniformly, adding polyacrylate and alpha-methylstyrene, stirring uniformly, extruding, pressing, slicing and cooling the blend to obtain the reinforced layer profile;
the surface of the reinforced layer section bar is provided with first penetrating holes which penetrate through the reinforced layer section bar along the thickness direction of the reinforced layer section bar and are respectively distributed along the length direction and the width direction of the single plate in an array manner;
weighing 70% of the components in percentage by mass: 27%:3% of lauroyl glutamic acid, sodium dodecyl sulfate and laurinol polyoxyethylene ether;
dissolving the components in deionized water solution to prepare surfactant aqueous solution, coating the surfactant aqueous solution on the surface of the reinforcing layer for two times, and standing for standby after the surfactant aqueous solution is dried thoroughly;
s2, preparing a single plate:
weighing raw materials according to the weight, uniformly mixing PVC resin and wood powder, putting into an open mill preheated to 220 ℃ for mixing, adding calcium carbonate, magnesium hydroxide and polypropylene fibers into the mixture for uniform mixing, adding ACR401, an organic tin stabilizer, silicone oil, calcium bicarbonate and titanate for continuous mixing and mixing, and obtaining a veneer after the mixing is completed by lower roll, pressing, slicing and cooling;
two veneers are reserved and not treated, second penetrating holes are formed in the surfaces of other veneers, the second penetrating holes penetrate through the veneers in the thickness direction, and the second penetrating holes are distributed in an array mode along the length and the width directions of the veneers respectively and are staggered with the first penetrating holes;
s3, preparing a self-reinforced section bar:
s3.1, setting an inner core layer in the middle of the profile as a reinforcing layer;
s3.2, adhesive films are adhered to the upper surface and the lower surface of the reinforcing layer;
s3.3, attaching a veneer on the other surface of the adhesive film in the last step;
s3.4, pasting an adhesive film on the other surface of the single board in the last step;
s3.5, attaching a reinforcing layer on the other surface of the adhesive film in the last step;
s3.6, pasting an adhesive film on the other surface of the reinforcing layer in the previous step;
s3.7, attaching a veneer on the other surface of the adhesive film in the last step;
s3.8, returning to S3.4, circularly attaching, and taking two untreated veneers as the outermost veneers of the section bar, and overlapping the section bar structure with 8 layers of veneers;
s3.9, performing primary pressing and hot pressing on the preliminarily molded profile structure, wherein the adhesive film is melted in the hot pressing process, and a part of melted adhesive is filled into the first penetration hole and the second penetration hole;
s3.10, cooling and solidifying to finish the preparation of the profile.
Example 3
The PVC wood-plastic composite self-reinforced section bar is formed by laminating 10 layers of veneers, a reinforcing layer is arranged between the two layers of veneers, and an adhesive layer is arranged between the reinforcing layer and the veneers;
the reinforcing layer comprises 50 parts of fly ash, 25 parts of wollastonite fiber, 20 parts of mica powder, 30 parts of coumarone resin, 10 parts of polyacrylate, 5 parts of alpha-methylstyrene and 3 parts of PC/ABS toughening compatilizer;
the veneer is prepared from the following components in parts by weight: 90 parts of PVC resin, 30 parts of wood powder, 20 parts of calcium carbonate, 16 parts of magnesium hydroxide, 15 parts of polypropylene fiber, 6 parts of ACR4017 parts of organic tin stabilizer, 3 parts of glycerin, 3 parts of calcium bicarbonate and 2 parts of titanate.
The preparation method of the PVC wood-plastic composite self-reinforced section bar specifically comprises the following steps:
s1, preparing a reinforcing layer:
weighing the raw materials according to the weight, stirring and mixing the fly ash, wollastonite fiber and mica powder uniformly, adding coumarone resin and PC/ABS toughening compatilizer into the mixture, stirring uniformly, adding polyacrylate and alpha-methylstyrene, stirring uniformly, extruding, pressing, slicing and cooling the blend to obtain the reinforced layer profile;
the surface of the reinforced layer section bar is provided with first penetrating holes which penetrate through the reinforced layer section bar along the thickness direction of the reinforced layer section bar and are respectively distributed along the length direction and the width direction of the single plate in an array manner;
weighing 75% of the components in percentage by mass: 20%:5% of lauroyl glutamic acid, sodium dodecyl sulfate and laurinol polyoxyethylene ether;
dissolving the components in deionized water solution to prepare surfactant aqueous solution, coating the surfactant aqueous solution on the surface of the reinforcing layer for two times, and standing for standby after the surfactant aqueous solution is dried thoroughly;
s2, preparing a single plate:
weighing raw materials according to the weight, uniformly mixing PVC resin and wood powder, putting into an open mill preheated to 230 ℃ for mixing, adding calcium carbonate, magnesium hydroxide and polypropylene fibers into the mixture for uniform mixing, adding ACR401, an organic tin stabilizer, glycerol, calcium bicarbonate and titanate for continuous mixing and mixing, and obtaining a veneer after the mixing is completed by lower roll, pressing, slicing and cooling;
two veneers are reserved and not treated, second penetrating holes are formed in the surfaces of other veneers, the second penetrating holes penetrate through the veneers in the thickness direction, and the second penetrating holes are distributed in an array mode along the length and the width directions of the veneers respectively and are staggered with the first penetrating holes;
s3, preparing a self-reinforced section bar:
s3.1, setting an inner core layer in the middle of the profile as a reinforcing layer;
s3.2, adhesive films are adhered to the upper surface and the lower surface of the reinforcing layer;
s3.3, attaching a veneer on the other surface of the adhesive film in the last step;
s3.4, pasting an adhesive film on the other surface of the single board in the last step;
s3.5, attaching a reinforcing layer on the other surface of the adhesive film in the last step;
s3.6, pasting an adhesive film on the other surface of the reinforcing layer in the previous step;
s3.7, attaching a veneer on the other surface of the adhesive film in the last step;
s3.8, returning to S3.4, circularly attaching, and taking two untreated veneers as the outermost veneers of the section bar, and overlapping to obtain a section bar structure with 10 layers of veneers;
s3.9, performing primary pressing and hot pressing on the preliminarily molded profile structure, wherein the adhesive film is melted in the hot pressing process, and a part of melted adhesive is filled into the first penetration hole and the second penetration hole;
s3.10, cooling and solidifying to finish the preparation of the profile.
Example 4 differs from example 2 in that:
wollastonite fibers in the reinforcing layer component are deleted.
Example 5 differs from example 2 in that:
mica powder in the reinforcing layer component is deleted.
Example 6 differs from example 2 in that:
the coumarone resin was deleted.
Example 7 differs from example 2 in that:
sodium lauryl sulfate was deleted from the surfactant component.
Example 8 differs from example 2 in that:
deleting the fatty alcohol-polyoxyethylene ether in the surfactant component.
Example 9 differs from example 2 in that:
only lauroyl glutamic acid was used as the surfactant component.
Example 10 differs from example 2 in that:
sodium dodecyl sulfate was replaced with polyacrylamide.
Example 11 differs from example 2 in that:
and replacing the laurinol polyoxyethylene ether with polyoxyethylene ether of alkylphenol.
Example 12 differs from example 2 in that:
the lauroyl glutamic acid accounts for 55 percent, the sodium dodecyl sulfate accounts for 40 percent, and the laurinol polyoxyethylene ether accounts for 5 percent.
Example 13 differs from example 2 in that:
the lauroyl glutamic acid accounts for 80 percent, the sodium dodecyl sulfate accounts for 15 percent, and the laurinol polyoxyethylene ether accounts for 5 percent.
Comparative example 1 differs from example 2 in that:
and deleting the reinforcing layer in the profile structure, namely the prepared profile structure is a conventional multi-layer single-plate laminated structure.
Comparative example 2 differs from example 2 in that:
the first penetrating holes are not formed on the reinforcing layer, and the second penetrating holes are not formed on the single plate.
Comparative example 3 differs from example 2 in that:
no surfactant is applied to the reinforcement layer.
Comparative example 4 differs from example 2 in that:
only the inner core of the profile structure is provided with a reinforcing layer.
Performance detection
The mechanical properties of the PVC wood-plastic composite self-reinforced section bars prepared in examples 1 to 13 and comparative examples 1 to 4 were tested, and the test results are recorded in Table 1.
Tensile properties: determination of tensile Properties of plastics according to GB/T1040.1-2018 section 1: the general rule is a standard test, the stretching speed is 50mm/min, the size of the narrowest part of the dumbbell type standard sample strip is 10mm x 4mm, 6 samples are tested, and the average value is obtained.
Impact properties: according to the standard test of GB/T1843-2008 'determination of impact strength of Plastic cantilever beam', the sizes of the samples are 80mm multiplied by 10mm multiplied by 4mm, 6 samples are tested, and the average value is obtained.
TABLE 1 mechanical Property test results of samples
As can be seen from table 1:
1. the data of examples 1-3 and comparative example 1 show that the arrangement of the reinforcing layer has a remarkable effect on improving the mechanical properties of the PVC wood-plastic composite profile.
2. The data of examples 1-3 and comparative example 2 show that the arrangement of the first penetration holes and the second penetration holes has a remarkable effect on improving the mechanical properties of the PVC wood-plastic composite profile, because the adhesive can improve the adhesive force between the profiles after penetrating into the first penetration holes and the second penetration holes, thereby improving the mechanical properties of the profiles.
3. The data of examples 1-3 and comparative example 3 show that the surface of the reinforcing layer is coated with the surfactant, which has remarkable effect on improving the mechanical properties of the PVC wood-plastic composite profile.
4. As can be seen from the data of examples 1-3 and comparative example 4, the mechanical properties of the profile are affected by the arrangement of the reinforcing layer, and the mechanical properties of the profile are significantly reduced compared with the arrangement of the plurality of layers, because the reinforcing layer is only arranged on the core layer, and the mechanical properties of the outer layer of the profile are relatively weak, which may cause uneven stress of the profile.
5. The data of examples 1-3 and examples 4-6 show that the selection of the components of the reinforcing layer affects the mechanical properties of the profile, and the deletion of wollastonite fibers, mica powder and coumarone resin all leads to a decrease in the mechanical properties of the profile.
6. The data of examples 1-3 and examples 7-11 show that the selection of the components of the surfactant affects the mechanical properties of the profile, and the mechanical properties of the profile are reduced by deleting sodium dodecyl sulfate or polyoxyethylene lauryl ether or deleting both or using other surfactants, which indicates that the three components have excellent synergistic effect.
7. The data of examples 1 to 3 and examples 12 to 13 show that the ratio of the three components of lauroyl glutamic acid, sodium dodecyl sulfate and laureth also affects the mechanical properties of the prepared profile, and when the ratio exceeds a reasonable range, the mechanical properties of the profile are reduced, so that the ratio of the three components needs to be controlled within a reasonable range.
In summary, compared with the prior art, the method has the following beneficial effects:
1. the structure of section bar sets up to have the enhancement layer between two-layer veneer, and sets up the adhesive layer again between enhancement layer and the veneer, and the main role of enhancement layer is for the section bar reinforcing, sets up the adhesive layer and is from promoting the angle of adhesion between veneer and the enhancement layer and go to promote the mechanical properties of section bar, because under the circumstances that the interlayer cohesion improves, the whole mechanical properties of section bar can be promoted.
2. The preparation method of the section bar discloses preparation of a reinforcing layer, preparation of a veneer and preparation of the section bar, wherein the section bar is laminated from the middle to the upper end and from the lower end, and the lamination mode can ensure that the laminated section bar has excellent uniformity and the lamination operation is simple and quick; and after lamination, performing initial lamination and hot pressing, wherein a hot pressing mode is selected because the adhesive layer in the lamination process is a solid adhesive film, the adhesive is melted during hot pressing and then filled into the first penetrating holes and the second penetrating holes, the redundant adhesive is solidified in the cooling process and still serves as the adhesive layer to tightly connect the veneer with the reinforcing layer, and the contact area of the adhesive and the veneer/reinforcing layer is increased by the arrangement of the first penetrating holes and the second penetrating holes, so that the interlayer bonding force is increased, and the mechanical property of the profile is ensured to be improved.
3. The formula of the components of the reinforcing layer is an optimal scheme obtained by multiple modifications, and each component of the formula has a certain synergistic effect, so that the reinforcing effect of the reinforcing layer on the mechanical property of the profile is improved in an auxiliary manner.
4. The formula of the surfactant is also subjected to strict experiments, and the experiments show that lauroyl glutamic acid, sodium dodecyl sulfate and laurinol polyoxyethylene ether have excellent synergistic effect and are very suitable for being used on the surface of the reinforcing layer, because the surface of the reinforcing layer is an alkaline surface, the lauroyl glutamic acid and the sodium dodecyl sulfate have the property of being an alkaline material, the sodium dodecyl sulfate is used as an auxiliary synergistic material to be synergistic with the lauroyl glutamic acid, and the laurinol polyoxyethylene ether is used as a nonionic surfactant to be synergistic with the anionic surfactant.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The preparation method of the PVC wood-plastic composite self-reinforced section bar is characterized in that the PVC wood-plastic composite self-reinforced section bar is formed by laminating a plurality of layers of veneers, a reinforcing layer is arranged between the two layers of veneers, an adhesive layer is arranged between the reinforcing layer and the veneers, first penetrating holes are formed in the surface of the reinforcing layer, second penetrating holes are formed in the surface of the veneers positioned in the inner layer, and part of adhesive of the adhesive layer is melted and penetrated into the first penetrating holes and the second penetrating holes in the hot pressing process, and the first penetrating holes and the second penetrating holes are arranged in a staggered manner;
the reinforcing layer comprises, by weight, 35-50 parts of fly ash, 15-25 parts of wollastonite fibers, 10-20 parts of mica powder, 15-30 parts of coumarone resin, 5-10 parts of polyacrylate, 2-5 parts of alpha-methylstyrene and 1-3 parts of compatilizer;
the veneer is prepared from the following components in parts by weight: 60-90 parts of PVC resin, 10-30 parts of wood powder, 10-20 parts of calcium carbonate, 10-16 parts of magnesium hydroxide, 10-15 parts of polypropylene fiber, 3-7 parts of ACR401, 2-6 parts of stabilizer, 1-3 parts of lubricant, 1-3 parts of calcium bicarbonate and 1-2 parts of coupling agent;
the preparation method specifically comprises the following steps:
s1, preparing a reinforcing layer:
the preparation method comprises the steps of firstly stirring and mixing fly ash, wollastonite fiber and mica powder uniformly, adding coumarone resin and a compatilizer into the mixture, adding polyacrylate and alpha-methylstyrene after stirring uniformly, extruding, pressing, slicing and cooling the blend after stirring uniformly to obtain a reinforced layer profile;
the surface of the reinforced layer profile is provided with first permeation holes which are respectively distributed along the length and width directions of the veneer in an array manner;
coating a surfactant on the surface of the reinforcing layer profile, wherein the surfactant comprises lauroyl glutamic acid, sodium dodecyl sulfate and fatty alcohol polyoxyethylene ether;
s2, preparing a single plate:
uniformly mixing PVC resin and wood powder, putting the mixture into an open mill preheated to 210-230 ℃ for mixing, adding calcium carbonate, magnesium hydroxide and polypropylene fibers into the mixture for uniform mixing, adding ACR401, a stabilizer, a lubricant, calcium bicarbonate and a coupling agent for continuous mixing and mixing, and obtaining a veneer after the mixing is completed by lower roll, profile pressing, slicing and cooling;
reserving two veneers without perforating, and arranging second penetrating holes on the surfaces of other veneers, wherein the second penetrating holes are respectively distributed in an array along the length and width directions of the veneers and are staggered with the first penetrating holes;
s3, preparing a self-reinforced section bar:
s3.1, setting an inner core layer in the middle of the profile as a reinforcing layer;
s3.2, adhesive films are adhered to the upper surface and the lower surface of the reinforcing layer;
s3.3, attaching a veneer on the other surface of the adhesive film in the step S3.2;
s3.4, pasting an adhesive film on the other surface of the veneer in the step S3.3;
s3.5, attaching a reinforcing layer on the other surface of the adhesive film in the step S3.4;
s3.6, pasting an adhesive film on the other surface of the reinforcing layer in the step S3.5;
s3.7, attaching a veneer on the other surface of the adhesive film in the step S3.6;
s3.8, returning to S3.4, circularly attaching, and taking two untreated veneers as the outermost veneers of the section bar, and overlapping to obtain a section bar structure with 6-10 layers of veneers;
s3.9, performing primary pressing and hot pressing on the preliminarily molded profile structure, wherein the adhesive film is melted in the hot pressing process, and a part of melted adhesive is filled into the first penetration hole and the second penetration hole;
s3.10, cooling and solidifying to finish the preparation of the profile.
2. The method for preparing the PVC wood-plastic composite self-reinforced section bar according to claim 1, wherein the stabilizer is a calcium-zinc stabilizer or an organotin stabilizer.
3. The method for preparing the PVC wood-plastic composite self-reinforced section bar according to claim 1, wherein the lubricant is one of PE wax, silicone oil and glycerin.
4. The method for preparing the PVC wood-plastic composite self-reinforced section bar according to claim 1, wherein the coupling agent is a silane coupling agent or a titanate coupling agent.
5. The method for preparing the PVC wood-plastic composite self-reinforced section bar according to claim 1, wherein the proportion of lauroyl glutamic acid in the surfactant is 65-75%.
6. The method for preparing the PVC wood-plastic composite self-reinforced section bar according to claim 1, wherein the proportion of the fatty alcohol-polyoxyethylene ether in the surfactant is 1-5%.
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| CN202310150771.8A CN116278264B (en) | 2023-02-17 | 2023-02-17 | PVC wood-plastic composite self-reinforced section bar and preparation method thereof |
| PCT/CN2023/093630 WO2024169061A1 (en) | 2023-02-17 | 2023-05-11 | Pvc wood-plastic composite self-reinforcing profile and manufacturing method therefor |
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| CN102086696A (en) * | 2010-12-20 | 2011-06-08 | 李新功 | Method for making novel wood-plastic composite building template from waste plastic |
| CN106499170A (en) * | 2016-10-27 | 2017-03-15 | 华南农业大学 | A kind of glued sandwich structure wood plastic composite, product and its manufacture method |
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| CN110678518A (en) * | 2017-07-12 | 2020-01-10 | 爱克工业株式会社 | Additive for wood plastic |
| CN210161341U (en) * | 2019-03-29 | 2020-03-20 | 盐城东南人造板制造有限公司 | Waterproof medium-density fiberboard with good gluing effect |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB758783A (en) * | 1954-04-29 | 1956-10-10 | Goodyear Aircraft Corp | Laminated panel |
| JP4720189B2 (en) * | 2005-01-18 | 2011-07-13 | 横浜ゴム株式会社 | Method for manufacturing fiber reinforced plastic panel with laminated frequency selective plate |
| CN114775938B (en) * | 2022-05-18 | 2023-04-11 | 江苏山由帝奥节能新材股份有限公司 | Heat-insulation and decoration integrated board and heat-insulation wall surface formed by same |
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2023
- 2023-02-17 CN CN202310150771.8A patent/CN116278264B/en active Active
- 2023-05-11 WO PCT/CN2023/093630 patent/WO2024169061A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086696A (en) * | 2010-12-20 | 2011-06-08 | 李新功 | Method for making novel wood-plastic composite building template from waste plastic |
| CN106499170A (en) * | 2016-10-27 | 2017-03-15 | 华南农业大学 | A kind of glued sandwich structure wood plastic composite, product and its manufacture method |
| CN110678518A (en) * | 2017-07-12 | 2020-01-10 | 爱克工业株式会社 | Additive for wood plastic |
| CN108501482A (en) * | 2018-03-22 | 2018-09-07 | 合肥伊只门窗有限公司 | A kind of NEW TYPE OF COMPOSITE layer wood plastic composite and preparation method thereof |
| CN210161341U (en) * | 2019-03-29 | 2020-03-20 | 盐城东南人造板制造有限公司 | Waterproof medium-density fiberboard with good gluing effect |
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