CN104742458A - Polyvinyl chloride biomass fiber co-extrusion multifunctional board and preparation method thereof - Google Patents
Polyvinyl chloride biomass fiber co-extrusion multifunctional board and preparation method thereof Download PDFInfo
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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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
- B32B27/30—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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Abstract
The invention relates to a polyvinyl chloride biomass fiber co-extrusion multifunctional board and a preparation method thereof, and belongs to the technical field of building and ornament materials. The polyvinyl chloride biomass fiber co-extrusion multifunctional board comprises a foamed material used as an inner layer and a hard material serving as a surface layer; the foamed material is prepared from the following raw materials in parts by weight: polyvinyl chloride, activated calcium carbonate, a stabilizer A, a lubricant, a foaming agent, a composite processing aid A, montmorillonoid and wood fiber; and the hard material is prepared from the following raw materials in parts by weight: polyvinyl chloride, activated calcium carbonate, a stabilizer B, chlorinated polyethylene, a composite processing aid B and a composite lubricant. The polyvinyl chloride biomass fiber co-extrusion multifunctional board disclosed by the invention is simple in formula, low in raw material cost, high in surface hardness, diverse in appearance style and wide in application; the invention also provides the preparation method of the polyvinyl chloride biomass fiber co-extrusion multifunctional board, which is easy and simple in implementation, energy-saving and environment-friendly, and the preparation method is suitable for industrial production.
Description
Technical field
The present invention relates to a kind of polyvinyl chloride biomass fiber co-extrusion multifunction board and preparation method thereof, belong to technical field of construction and decoration materials.
Background technology
At present for construction material as interior door and wall decoration, mainly different material is composited.Utilize original timber expense cost height also to waste resource, and the wooden grain of the glued board of synthesis unsightly.Foam polyvinyl chloride plate is all made by the processing mode of free foaming or skinning, and inside and outside material is identical, and the material hardness outside causing cannot be up to standard; Decorative pattern and the color of the decorative material surface formed additionally by the mode of free foaming or skinning are single, do not reach requirement attractive in appearance, cannot meet the multiple demand of client.
CN 200610053128.X discloses a kind of Green Environmental Protection Laminated Core Layer Foamed Profile Extrustion Die And Production Method, it solves the low problem of expanded material case hardness by co-extrusion technology, but the appearance style of foaming special-shaped material is not improved, still cannot meet the demand of client.Therefore to need to develop a kind of internal layer be expanded material to alleviate the weight of ornament materials, cladding material hardness can up to standard and advanced composite material (ACM) that appearance style is various.
Summary of the invention
The object of this invention is to provide a kind of polyvinyl chloride biomass fiber co-extrusion multifunction board, its formula is simple, and cost of material is low, and case hardness is high, and appearance style is various, of many uses; Invention also provides the preparation method of the polyvinyl chloride biomass fiber co-extrusion multifunction board of simple, energy-conserving and environment-protective, be applicable to carrying out suitability for industrialized production.
Polyvinyl chloride biomass fiber co-extrusion multifunction board of the present invention, comprise the expanded material as internal layer and the hard material as top layer, described expanded material is made up of the raw material of following parts by weight:
Described hard material is made up of the raw material of following parts by weight:
Described wood fibre is 60-80 order.Present invention utilizes the machinability of wood fibre, added internal layer expanded material, the toughness of inner layer material can be increased, adopt wood fibre also environment friendly and pollution-free in addition.
Described stabilizing agent A is calcium zinc stabilizer, and it not only serves heat-staple effect, also has effect of lubrication.
Described stabilizing agent B is calcium zinc-tin stabilizing agent, both the shortcoming containing heavy metal in lead salt stabilizer had been overcome, compensate for again the expensive defect of organotin, it has higher heat endurance on the one hand, prevent material carbonization, namely prevent material from flowing over slow product instability and cause top layer to be bubbled or internal layer degraded; Calcium zinc-tin stabilizing agent has certain transparency on the other hand, can meet the demand of portioned product color and luster to transparency.
Described lubricant is the mixture of zinc stearate, paraffin and PE wax; Described compounded lubricant is the mixture of stearic acid, PE wax and high-temperature lubricant 3316A (Shanghai outstanding person is upper outstanding).Because mixed proportion is different, the product thickness that actual production goes out is different, so according to actual needs, should select proper mixture ratio example.
Described blowing agent is Celogen Az, and its foam sent, for yellow, makes the density of expanded material higher.
Described composite auxiliary for processing A is the mixture of foaming control agent, haloflex and polyvinyl chloride processing aid; Composite auxiliary for processing B is the mixture of haloflex and polyvinyl chloride processing aid.The preferred KB-350P of foaming control agent (Shanghai outstanding person is upper outstanding), the preferred K128P of polyvinyl chloride processing aid (Shanghai outstanding person is upper outstanding).
Described polyvinyl chloride molecular weight is 30000-40000; Haloflex molecular weight is 30000-40000.
Described imvite as filler, as a kind of fire retardant, can can substitute the fire retardant in conventional formulation, save raw material again.Imvite and activated Calcium carbonate can play the effect that cooperative flame retardant reduces smog.
The preparation method of described polyvinyl chloride biomass fiber co-extrusion multifunction board, comprises the following steps:
(1) by the raw material of hard material by mixed at high speed unit Hybrid Heating, then put into cooling pan and cool, then cooled material is undertaken plastifying rear pelletizing by the bipyramid extruder that diameter is 65/132;
(2) raw material of expanded material are passed through mixed at high speed unit Hybrid Heating, put into cooling pan again to cool, then cooled material being joined diameter by screw feeding machine is in the bipyramid extruder of 80/156, it is in the single screw extrusion machine of 35 that the material of step (1) pelletizing gained is joined diameter, open 3 kinds of extruders simultaneously, expanded material and hard material to be pushed in mould by distributor and to form coextruded layer by raw material respectively, the oil temperature of passing through mouthful mould is again constant, product is formed again by stock mould sizing cooling, obtain polyvinyl chloride biomass fiber co-extrusion multifunction board, the extrusion temperature of internal layer expanded material is 160-165 DEG C, the extrusion temperature of top layer hard material is 180-185 DEG C, fusion pressure is 15-20Mpa.
In order to prevent the material inside and outside ornament materials identical, solve the series of problems that hardness deficiency occurs, adopt two different extruders inside and outside materials at two layers to be extruded simultaneously, namely wherein inner expanded material extruded by a main frame, the hard material on top layer extruded by another extruder, the raw material that two equipment is extruded is simultaneously by the shunting of distributor, and the upper and lower surface top layer hard material do not foamed being distributed to expanded material forms the surface of high rigidity.
Haloflex is have employed in the formula of skin-material, haloflex (CPE or CM) is saturated macromolecular material, outward appearance is white powder, nonpoisonous and tasteless, there is excellent weather resisteant, resistance to ozone, chemical-resistant resistance and ageing-resistant performance, there is good oil resistivity, anti-flammability and tinctorial property.Toughness good (still having pliability at-30 DEG C), good with compatibility after other combination of raw materials, decomposition temperature is higher.
The water resistance that improve polyvinyl chloride biomass fiber co-extrusion multifunction board without permeability of PVC material, significantly increases the service life of polyvinyl chloride biomass fiber co-extrusion multifunction board; Because the main material on internal layer and top layer is both PVC, higher with the affinity between material molecules, so the degree of two-layer compound is good during coextrusion, effectively prevent the problem of the composite bed cracking that unlike material causes.
Existing decorative material surface pattern kind is more single, and the present invention uses coextrusion processes, by extruder and mouth mould, or achieves the variation of skin-material pattern by the mode of post-processed, can meet the various demands of client.
Discard when tradition desk material damage is serious, and can carry out repairing and recycling during the desk of polyvinyl chloride biomass fiber co-extrusion multifunction board prepared by the present invention for school, improve the utilization rate of material, energy-conserving and environment-protective; The polyvinyl chloride biomass fiber co-extrusion multifunction board of preparation can also be used for the ornament materials such as metope, cabinet, toilet, kitchen.
The present invention has following beneficial effect:
(1) formula is simple, and cost of material is low, and the polyvinyl chloride biomass fiber co-extrusion multifunction board appearance style of preparation is various, of many uses;
(2) environment friendly and pollution-free wood fibre is added internal layer expanded material, add the toughness of inner layer material;
(3) add imvite as filler, as a kind of fire retardant, can to substitute the fire retardant in conventional formulation, save raw material again;
(4) in order to reduce the temperature difference inside and outside product, in the hard material of top layer, with the addition of calcium zinc-tin stabilizing agent, preventing flowing over slow product instability and causing the problem that bubble in top layer or internal layer is degraded to occur;
(5) by coextrusion processes, the top layer hard material do not foamed is distributed to the surface of the upper and lower surface formation high rigidity of expanded material;
(6) preparation method is simple, energy-conserving and environment-protective, is applicable to carrying out suitability for industrialized production.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated, but it does not limit enforcement of the present invention.
Embodiment 1
Described polyvinyl chloride biomass fiber co-extrusion multifunction board, comprise the expanded material as internal layer and the hard material as top layer, described expanded material is made up of the raw material of following parts by weight:
Described hard material is made up of the raw material of following parts by weight:
Described calcium zinc stabilizer CZ963, calcium zinc-tin stabilizing agent B747 are the upper outstanding production of Shanghai outstanding person.
Described lubricant is the mixture of zinc stearate, paraffin and PE wax, and mixed weight is than being 0.7:0.3:05; Described compounded lubricant is the mixture of stearic acid, PE wax and high-temperature lubricant 3316A, and mixed weight is than being 0.5:0.4:0.1.
Described composite auxiliary for processing A is the mixture of foaming control agent KB350P (Shanghai outstanding person is upper outstanding), haloflex and polyvinyl chloride processing aid K128P (Shanghai outstanding person is upper outstanding), and mixed weight is than being 5:2:3; Composite auxiliary for processing B is the mixture of haloflex and polyvinyl chloride processing aid K128P (Shanghai outstanding person is upper outstanding), and mixed weight is than being 0.8:0.7.
Described polyvinyl chloride molecular weight is 30000; Haloflex molecular weight is 35000.
The preparation method of described polyvinyl chloride biomass fiber co-extrusion multifunction board, comprises the following steps:
(1) by the raw material of hard material by mixed at high speed unit Hybrid Heating at 120 DEG C, then put into cooling pan and be cooled to 40 DEG C, then plastified by the bipyramid extruder that diameter is 65/132 by cooled material, pelletizing is to 4mm;
(2) raw material of expanded material are heated mixing by mixed at high speed unit at 110 DEG C, put into cooling pan again and be cooled to 40 DEG C, then cooled material being joined diameter by screw feeding machine is in the bipyramid extruder of 80/156, it is in the single screw extrusion machine of 35 that the material of step (1) pelletizing gained is joined diameter, open 3 kinds of extruders simultaneously, expanded material and hard material to be pushed in mould by distributor and to form coextruded layer by raw material respectively, the oil temperature of passing through mouthful mould is again constant, product is formed again by stock mould sizing cooling, obtain polyvinyl chloride biomass fiber co-extrusion multifunction board, the extrusion temperature of internal layer expanded material is 160 DEG C, the extrusion temperature of top layer hard material is 180 DEG C, fusion pressure is 15Mpa.
Embodiment 2
Described polyvinyl chloride biomass fiber co-extrusion multifunction board, comprise the expanded material as internal layer and the hard material as top layer, described expanded material is made up of the raw material of following parts by weight:
Described hard material is made up of the raw material of following parts by weight:
Described calcium zinc stabilizer CZ78, calcium zinc-tin stabilizing agent B200 are the upper outstanding production of Shanghai outstanding person.
Described lubricant is the mixture of zinc stearate, paraffin and PE wax, and mixed weight is than being 2:0.9:1.6; Described compounded lubricant is the mixture of stearic acid, PE wax and coupling agent, and mixed weight is than being 0.8:0.4:0.3.
Described composite auxiliary for processing A is the mixture of foaming control agent K-268P (Shanghai outstanding person is upper outstanding), haloflex and polyvinyl chloride processing aid ACR401 (Zibo Hua Xing), and mixed weight is than being 9:3:5; Composite auxiliary for processing B is the mixture of haloflex and polyvinyl chloride processing aid ACR401 (Zibo Hua Xing), and mixed weight is than being 1.7:1.
Described polyvinyl chloride molecular weight is 40000; Haloflex molecular weight is 30000.
The preparation method of described polyvinyl chloride biomass fiber co-extrusion multifunction board, comprises the following steps:
(1) by the raw material of hard material by mixed at high speed unit Hybrid Heating at 125 DEG C, then put into cooling pan and be cooled to 40 DEG C, then plastified by the bipyramid extruder that diameter is 65/132 by cooled material, pelletizing is to 4mm;
(2) raw material of expanded material are heated mixing by mixed at high speed unit at 110 DEG C, put into cooling pan again and be cooled to 40 DEG C, then cooled material being joined diameter by screw feeding machine is in the bipyramid extruder of 80/156, it is in the single screw extrusion machine of 35 that the material of step (1) pelletizing gained is joined diameter, open 3 kinds of extruders simultaneously, expanded material and hard material to be pushed in mould by distributor and to form coextruded layer by raw material respectively, the oil temperature of passing through mouthful mould is again constant, product is formed again by stock mould sizing cooling, obtain polyvinyl chloride biomass fiber co-extrusion multifunction board, the extrusion temperature of internal layer expanded material is 165 DEG C, the extrusion temperature of top layer hard material is 185 DEG C, fusion pressure is 20Mpa.
Embodiment 3
Described polyvinyl chloride biomass fiber co-extrusion multifunction board, comprise the expanded material as internal layer and the hard material as top layer, described expanded material is made up of the raw material of following parts by weight:
Described hard material is made up of the raw material of following parts by weight:
Described calcium zinc stabilizer CZ75, calcium zinc-tin stabilizing agent B200 are the upper outstanding production of Shanghai outstanding person.
Described lubricant is the mixture of zinc stearate, paraffin and PE wax, and mixed weight is than being 1.2:0.8:1; Described compounded lubricant is the mixture of stearic acid, PE wax and high-temperature lubricant 3316A, and mixed weight is than being 0.7:0.3:0.2.
Described composite auxiliary for processing A is the mixture of foaming control agent K-278P (Shanghai outstanding person is upper outstanding), haloflex and polyvinyl chloride processing aid LX01 (Shandong Rui Feng), and mixed weight is than being 8:2:5; Composite auxiliary for processing B is the mixture of haloflex and polyvinyl chloride processing aid LX01 (Shandong Rui Feng), and mixed weight is than being 1.5:1.
Described polyvinyl chloride molecular weight is 35000; Haloflex molecular weight is 40000.
The preparation method of described polyvinyl chloride biomass fiber co-extrusion multifunction board, comprises the following steps:
(1) by the raw material of hard material by mixed at high speed unit Hybrid Heating at 120 DEG C, then put into cooling pan and be cooled to 40 DEG C, then plastified by the bipyramid extruder that diameter is 65/132 by cooled material, pelletizing is to 4mm;
(2) raw material of expanded material are heated mixing by mixed at high speed unit at 110 DEG C, put into cooling pan again and be cooled to 40 DEG C, then cooled material being joined diameter by screw feeding machine is in the bipyramid extruder of 80/156, it is in the single screw extrusion machine of 35 that the material of step (1) pelletizing gained is joined diameter, open 3 kinds of extruders simultaneously, expanded material and hard material to be pushed in mould by distributor and to form coextruded layer by raw material respectively, the oil temperature of passing through mouthful mould is again constant, product is formed again by stock mould sizing cooling, obtain polyvinyl chloride biomass fiber co-extrusion multifunction board, the extrusion temperature of internal layer expanded material is 162 DEG C, the extrusion temperature of top layer hard material is 183 DEG C, fusion pressure is 18Mpa.
The polyvinyl chloride biomass fiber co-extrusion multifunction board obtained to embodiment 1-3 carries out Mechanics Performance Testing, the results are shown in Table 1.
Table 1 embodiment 1-3 obtains the mechanical experimental results of product
| Test item | Technical standard | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| MOR/MPa | ≥35 | 38 | 40 | 38 |
| Elastic modelling quantity/MPa | ≥3500 | 3783 | 3815 | 3798 |
| Dimension card softness number/DEG C | ≥75 | 78 | 79 | 81 |
| Simple beam impact strength/(KJ/ ㎡) | ≥12.0 | 14.1 | 13.9 | 14.2 |
| Quiet bent retention rate/% | ≥80 | 92 | 92 | 95 |
| Shore hardness | ≥60 | 85 | 88 | 90 |
Can see by table 1, the polyvinyl chloride biomass fiber co-extrusion multifunction board good mechanical performance that the present invention obtains.
Claims (10)
1. a polyvinyl chloride biomass fiber co-extrusion multifunction board, is characterized in that: comprise the expanded material as internal layer and the hard material as top layer, described expanded material is made up of the raw material of following parts by weight:
Described hard material is made up of the raw material of following parts by weight:
2. polyvinyl chloride biomass fiber co-extrusion multifunction board according to claim 1, is characterized in that: wood fibre is 60-80 order.
3. polyvinyl chloride biomass fiber co-extrusion multifunction board according to claim 1, is characterized in that: stabilizing agent A is calcium zinc stabilizer; Stabilizing agent B is calcium zinc-tin stabilizing agent.
4. polyvinyl chloride biomass fiber co-extrusion multifunction board according to claim 1, is characterized in that: lubricant is the mixture of zinc stearate, paraffin and PE wax.
5. polyvinyl chloride biomass fiber co-extrusion multifunction board according to claim 1, is characterized in that: blowing agent is Celogen Az.
6. polyvinyl chloride biomass fiber co-extrusion multifunction board according to claim 1, is characterized in that: composite auxiliary for processing A is the mixture of foaming control agent, haloflex and polyvinyl chloride processing aid; Composite auxiliary for processing B is the mixture of haloflex and polyvinyl chloride processing aid.
7. polyvinyl chloride biomass fiber co-extrusion multifunction board according to claim 1, is characterized in that: compounded lubricant is the mixture of stearic acid, PE wax and high-temperature lubricant 3316A.
8. polyvinyl chloride biomass fiber co-extrusion multifunction board according to claim 1, is characterized in that: polyvinyl chloride molecular weight is 30000-40000; Haloflex molecular weight is 30000-40000.
9. a preparation method for the arbitrary described polyvinyl chloride biomass fiber co-extrusion multifunction board of claim 1-8, is characterized in that comprising the following steps:
(1) by the raw material Hybrid Heating of hard material, cooling, then cooled material is undertaken plastifying rear pelletizing by bipyramid extruder;
(2) by the raw material Hybrid Heating of expanded material, cooling, then cooled material is joined in bipyramid extruder, the material of step (1) pelletizing gained is joined in single screw extrusion machine, extrude simultaneously, obtain polyvinyl chloride biomass fiber co-extrusion multifunction board.
10. the preparation method of polyvinyl chloride biomass fiber co-extrusion multifunction board according to claim 9, is characterized in that: during extrusion molding, the extrusion temperature of internal layer expanded material is 160-165 DEG C, and the extrusion temperature of top layer hard material is 180-185 DEG C; Fusion pressure is 15-20Mpa.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142790A (en) * | 2016-06-30 | 2016-11-23 | 宝天高科（广东）有限公司 | A kind of hard environment-protective flame-proof polyvinyl chloride foamed board and manufacture method thereof |
| CN107513237A (en) * | 2017-09-11 | 2017-12-26 | 广州市禾沣环保建材有限公司 | A kind of wood plastic composite and its production technology with weatherability |
| WO2018113325A1 (en) * | 2017-07-17 | 2018-06-28 | 青岛三益塑料机械有限公司 | Composition for producing sheet material foam layer, sheet material including composition, and production method for sheet material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102922838A (en) * | 2012-11-17 | 2013-02-13 | 中国化学工程第十四建设有限公司 | Three-layer coextruded PVC (polyvinylchloride) wood-plastic composite foam board and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106142790A (en) * | 2016-06-30 | 2016-11-23 | 宝天高科（广东）有限公司 | A kind of hard environment-protective flame-proof polyvinyl chloride foamed board and manufacture method thereof |
| WO2018113325A1 (en) * | 2017-07-17 | 2018-06-28 | 青岛三益塑料机械有限公司 | Composition for producing sheet material foam layer, sheet material including composition, and production method for sheet material |
| EP3617266A4 (en) * | 2017-07-17 | 2020-04-22 | Qingdao Sanyi Plastic Machinery Co., Ltd | Composition for producing sheet material foam layer, sheet material including composition, and production method for sheet material |
| US10633503B2 (en) | 2017-07-17 | 2020-04-28 | Qingdao Sanyi Plastic Machinery Co., Ltd. | Composition for producing foamed layer of sheet, sheet containing the same, and production method thereof |
| CN107513237A (en) * | 2017-09-11 | 2017-12-26 | 广州市禾沣环保建材有限公司 | A kind of wood plastic composite and its production technology with weatherability |
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