CN111732797A - Formula and production method of wood-plastic furniture board - Google Patents

Formula and production method of wood-plastic furniture board Download PDF

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Publication number
CN111732797A
CN111732797A CN202010557038.4A CN202010557038A CN111732797A CN 111732797 A CN111732797 A CN 111732797A CN 202010557038 A CN202010557038 A CN 202010557038A CN 111732797 A CN111732797 A CN 111732797A
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Prior art keywords
parts
materials
product
mold
wood
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Inventor
吴铭
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Maanshan Jinsheng Wood Plastic Sheet Material Co ltd
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Maanshan Jinsheng Wood Plastic Sheet Material Co ltd
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Priority to CN202010557038.4A priority Critical patent/CN111732797A/en
Publication of CN111732797A publication Critical patent/CN111732797A/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • 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
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • 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
    • B32B2307/554—Wear resistance
    • 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
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • 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
    • C08J2397/00—Characterised by the use of lignin-containing materials
    • C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • 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
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • 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
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a formula and a production method of a wood-plastic furniture board, wherein the formula of the wood-plastic furniture board comprises the following materials: 100 parts of 8-type PVC, 50 parts of light calcium carbonate, 20 parts of recycled materials, 20 parts of wood powder, 1-10 parts of foaming regulators, 3-5 parts of calcium-zinc stabilizers, 1-3 parts of white foaming agents, 0.5-1 part of yellow foaming agents, 1-1.5 parts of PE (polyethylene) wax, 1-1.2 parts of G-60 materials, 0.3-0.5 part of 3316A materials, 2-3 parts of 1801 materials, 1-2 parts of M-26 materials and 2-3 parts of ACR materials. According to the formula and the production method of the wood-plastic furniture board, a multi-die is adopted for molding according to a layer molding mode, 8-type PVC is adopted as a foundation for the inner layer, PE wax, 1801 materials, ACR materials, light calcium, recycled materials and wood powder mixed materials are adopted for the outer layer, M-26 materials are added as toughening reinforcing agents, 3316A materials and G-60 materials are used between the inner layer and the outer layer as transition agents between the layers, so that pressure-resistant, wear-resistant and corrosion-resistant materials are concentrated on the surface, surface cracking and damage are avoided, the heat-resistant materials are concentrated in the middle, and the heat-insulating property of the board is enhanced.

Description

Formula and production method of wood-plastic furniture board
Technical Field
The invention relates to the technical field of wood-plastic furniture, in particular to a formula and a production method of a wood-plastic furniture plate.
Background
Wood-plastic, i.e. wood-plastic composite material, is a new type of composite material which is briskly developed in recent years at home and abroad, and means a plate or a section which is produced by mixing polyethylene, polypropylene, polyvinyl chloride and the like instead of common resin adhesives with more than 35-70% of waste plant fibers such as wood flour, rice husks, straws and the like to form a new wood material, and then carrying out plastic processing technologies such as extrusion, mould pressing, injection molding and the like. The method is mainly used in industries such as building materials, furniture, logistics packaging and the like. The board is made by mixing plastic and wood powder according to a certain proportion and then performing hot extrusion molding, and is called as an extruded wood-plastic composite board.
In the prior art, the production operation of the plate is carried out only by adopting a mode of extruding after heating and mixing a plurality of materials, all materials of the plate produced by the process are uniformly distributed, so that the content of the corresponding material needs to be increased if the local performance needs to be enhanced, but the total volume of the plate is limited, the content of other materials needs to be reduced while the content of the corresponding material is increased, the reduction of the content of other materials can cause the reduction of other corresponding performances, and the performance of the plate is difficult to be well balanced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a formula and a production method of a wood-plastic furniture board, and solves the problems that in the prior art, the production operation of the board is carried out only by adopting a mode of extruding after heating and mixing a plurality of materials, all the materials of the board produced by the process are uniformly distributed, so that the content of the corresponding material needs to be increased if the local performance needs to be enhanced, but the total volume of the board is limited, the content of other materials needs to be reduced while the content of the corresponding material is increased, the content of other materials is reduced, the reduction of the content of other materials can cause the reduction of other corresponding performances, and the performances of the board are difficult to be well balanced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the formula of the wood-plastic furniture board comprises the following materials: 100 parts of 8-type PVC, 50 parts of light calcium, 20 parts of recycled materials, 20 parts of wood powder, 1-10 parts of foaming regulators, 3-5 parts of calcium-zinc stabilizers, 1-3 parts of white foaming agents, 0.5-1 part of yellow foaming agents, 1-1.5 parts of PE (polyethylene) wax, 1-1.2 parts of G-60 materials, 0.3-0.5 part of 3316A materials, 2-3 parts of 1801 materials, 1-2 parts of M-26 materials and 2-3 parts of ACR materials, wherein the using amount of the 8-type PVC of each plate is 100 kg.
A production method of a wood-plastic furniture board comprises the following steps:
s1, preparing materials, namely preparing the materials according to the formula of the wood-plastic furniture board;
s2, selecting 100kg 8-type PVC, heating to 190-;
s3, adding PE wax, 1801 materials, ACR materials, light calcium carbonate, returned materials and wood powder into a sealed container according to the formula proportion, heating to 180-190 ℃, vacuumizing the sealed container to 70% of vacuum, mixing for 15min, then extracting the materials in the sealed container, and dividing the materials into A parts, B parts and C parts, wherein the mass ratio of the three parts is respectively A parts: b, part(s): c parts is 5:3: 5;
s4, heating the material A obtained in the step S3 to 190 ℃, pouring the material A into a middle product mold for standing, adding 3316A material according to the formula ratio after the surface temperature of the material A is reduced to be below 100 ℃, then adding an initial product, and separating the material in the mold from the middle product mold after the average temperature of the material A is reduced to be below 30 ℃ so as to generate a middle product;
s5, heating the C part material obtained in the step S3 to 190 ℃, pouring the C part material into a post-product mold for standing, adding the G-60 material according to the formula proportion after the surface temperature of the C part material is reduced to be below 100 ℃, then adding a medium product, and separating the material in the mold from the post-product mold after the average temperature of the C part material is reduced to be below 30 ℃ so as to generate a post-product;
s6, heating the B part of material obtained in the step S3 to 190 ℃ and pouring the B part of material into a regulating container, adding the M-26 material into the regulating container according to the formula proportion, and continuously mixing for 15min under the premise of ensuring that the temperature in the regulating container is 190 ℃ at 180 ℃ to obtain a mixed liquid;
s7, adding the post-product obtained in the step S5 into a final mold, adding the blending liquid obtained in the step S6, heating the final mold to 170-180 ℃, pressurizing at the pressure of 100-130kPa for 30min, simultaneously reducing the temperature to below 30 ℃ in the last 10min of pressurization at a constant speed, and separating the material in the mold from the final mold to generate the product;
and S8, performing grinding and polishing operation on the product obtained in the step S7 to generate a final product.
(III) advantageous effects
The invention provides a formula and a production method of a wood-plastic furniture board. The method has the following beneficial effects:
according to the formula and the production method of the wood-plastic furniture board, a multi-die is adopted for molding according to a layer molding mode, 8-type PVC is adopted as a foundation for the inner layer, PE wax, 1801 materials, ACR materials, light calcium, recycled materials and wood powder mixed materials are adopted for the outer layer, M-26 materials are added as toughening reinforcing agents, 3316A materials and G-60 materials are used between the inner layer and the outer layer as transition agents between the layers, so that pressure-resistant, wear-resistant and corrosion-resistant materials are concentrated on the surface, surface cracking and damage are avoided, the heat-resistant materials are concentrated in the middle, the heat-insulating property of the board is enhanced, and all properties of the board are well guaranteed.
Detailed Description
The described embodiments are only some embodiments of the invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The formula of the wood-plastic furniture board is characterized by comprising the following materials: 100 parts of 8-type PVC, 50 parts of light calcium, 20 parts of recycled materials, 20 parts of wood powder, 1-10 parts of foaming regulators, 3-5 parts of calcium-zinc stabilizers, 1-3 parts of white foaming agents, 0.5-1 part of yellow foaming agents, 1-1.5 parts of PE (polyethylene) wax, 1-1.2 parts of G-60 materials, 0.3-0.5 part of 3316A materials, 2-3 parts of 1801 materials, 1-2 parts of M-26 materials and 2-3 parts of ACR materials, wherein the using amount of the 8-type PVC of each plate is 100 kg.
A production method of a wood-plastic furniture board comprises the following steps:
s1, preparing materials, namely preparing the materials according to the formula of the wood-plastic furniture board;
s2, selecting 100kg 8-type PVC, heating to 190-;
s3, adding PE wax, 1801 materials, ACR materials, light calcium carbonate, returned materials and wood powder into a sealed container according to the formula proportion, heating to 180-190 ℃, vacuumizing the sealed container to 70% of vacuum, mixing for 15min, then extracting the materials in the sealed container, and dividing the materials into A parts, B parts and C parts, wherein the mass ratio of the three parts is respectively A parts: b, part(s): c parts is 5:3: 5;
s4, heating the material A obtained in the step S3 to 190 ℃, pouring the material A into a middle product mold for standing, adding 3316A material according to the formula ratio after the surface temperature of the material A is reduced to be below 100 ℃, then adding an initial product, and separating the material in the mold from the middle product mold after the average temperature of the material A is reduced to be below 30 ℃ so as to generate a middle product;
s5, heating the C part material obtained in the step S3 to 190 ℃, pouring the C part material into a post-product mold for standing, adding the G-60 material according to the formula proportion after the surface temperature of the C part material is reduced to be below 100 ℃, then adding a medium product, and separating the material in the mold from the post-product mold after the average temperature of the C part material is reduced to be below 30 ℃ so as to generate a post-product;
s6, heating the B part of material obtained in the step S3 to 190 ℃ and pouring the B part of material into a regulating container, adding the M-26 material into the regulating container according to the formula proportion, and continuously mixing for 15min under the premise of ensuring that the temperature in the regulating container is 190 ℃ at 180 ℃ to obtain a mixed liquid;
s7, adding the post-product obtained in the step S5 into a final mold, adding the blending liquid obtained in the step S6, heating the final mold to 170-180 ℃, pressurizing at the pressure of 100-130kPa for 30min, simultaneously reducing the temperature to below 30 ℃ in the last 10min of pressurization at a constant speed, and separating the material in the mold from the final mold to generate the product;
and S8, performing grinding and polishing operation on the product obtained in the step S7 to generate a final product.
Example 1
The formula of the wood-plastic furniture board is characterized by comprising the following materials: 100 parts of 8-type PVC, 50 parts of light calcium, 20 parts of recycled materials, 20 parts of wood powder, 2 parts of foaming regulators, 4 parts of calcium-zinc stabilizers, 2 parts of white foaming agents, 0.5 part of yellow foaming agents, 1.5 parts of PE (polyethylene) wax, 1.2 parts of G-60 materials, 0.3 part of 3316A materials, 3 parts of 1801 materials, 2 parts of M-26 materials and 3 parts of ACR materials, wherein the using amount of the 8-type PVC of each plate is 100 kg.
A production method of a wood-plastic furniture board comprises the following steps:
s1, preparing materials, namely preparing the materials according to the formula of the wood-plastic furniture board;
s2, selecting 100kg of 8-type PVC, heating to 190 ℃, pouring the 8-type PVC into a mixing container, adding a foaming regulator, a calcium-zinc stabilizer, a white foaming agent and a yellow foaming agent into the mixing container according to a formula proportion, continuously mixing for 30min under the premise of keeping the temperature in the mixing container, pouring substances in the mixing container into an initial product mold for molding, and separating the materials in the mold from the initial product mold to generate an initial product;
s3, adding PE wax, 1801 materials, ACR materials, light calcium carbonate, returned materials and wood powder into a sealed container according to the formula proportion, heating to 180 ℃, vacuumizing the sealed container to 70% vacuum, mixing for 15min, then extracting the materials in the sealed container, and dividing the materials into A parts, B parts and C parts, wherein the mass ratio of the three parts is respectively A parts: b, part(s): c parts is 5:3: 5;
s4, heating the A part of material obtained in the step S3 to 180 ℃, pouring the material into a middle product mold, standing, adding 3316A material according to a formula ratio after the surface temperature of the A part of material is reduced to be below 100 ℃, then adding an initial product, and separating the material in the mold from the middle product mold after the average temperature of the A part of material is reduced to be below 30 ℃ so as to generate a middle product;
s5, heating the C part material obtained in the step S3 to 180 ℃, pouring the C part material into a post-product mold, standing, adding the G-60 material according to a formula proportion after the surface temperature of the C part material is reduced to be below 100 ℃, then adding a medium product, and separating the material in the mold from the post-product mold after the average temperature of the C part material is reduced to be below 30 ℃ so as to generate a post-product;
s6, heating the B part of material obtained in the step S3 to 180 ℃, pouring the B part of material into an adjusting container, adding the M-26 material into the adjusting container according to the formula proportion, and continuously mixing for 15min under the premise of ensuring that the temperature in the adjusting container is 180 ℃ to obtain a mixed solution;
s7, adding the product obtained in the step S5 into a final mold, adding the mixed liquid obtained in the step S6, heating the final mold to 180 ℃, pressurizing at the pressure of 100kPa for 30min, reducing the temperature to below 30 ℃ at a constant speed in the last 10min of pressurization, and separating the material in the mold from the final mold to generate the product;
and S8, performing grinding and polishing operation on the product obtained in the step S7 to generate a final product.
Example 2
The formula of the wood-plastic furniture board is characterized by comprising the following materials: 100 parts of 8-type PVC, 50 parts of light calcium, 20 parts of recycled materials, 20 parts of wood powder, 9 parts of foaming regulators, 4 parts of calcium-zinc stabilizers, 2 parts of white foaming agents, 0.8 part of yellow foaming agents, 1.2 parts of PE (polyethylene) wax, 1.1 parts of G-60 materials, 0.4 part of 3316A materials, 2.5 parts of 1801 materials, 1.3 parts of M-26 materials and 2.3 parts of ACR materials, wherein the using amount of the 8-type PVC of each plate is 100 kg.
A production method of a wood-plastic furniture board comprises the following steps:
s1, preparing materials, namely preparing the materials according to the formula of the wood-plastic furniture board;
s2, selecting 100kg of 8-type PVC, heating to 195 ℃, pouring into a mixing container, adding a foaming regulator, a calcium-zinc stabilizer, a white foaming agent and a yellow foaming agent into the mixing container according to the formula proportion, continuously mixing for 30min under the premise of keeping the temperature in the mixing container, pouring substances in the mixing container into an initial product mold for molding, and separating the materials in the mold from the initial product mold to generate an initial product;
s3, adding PE wax, 1801 materials, ACR materials, light calcium carbonate, returned materials and wood powder into a sealed container according to the formula proportion, heating to 185 ℃, vacuumizing the sealed container to 70% vacuum, mixing for 15min, then extracting the materials in the sealed container, and dividing the materials into A parts, B parts and C parts, wherein the mass ratio of the three parts is respectively A parts: b, part(s): c parts is 5:3: 5;
s4, heating the A part of material obtained in the step S3 to 185 ℃, pouring the material into a middle product mold, standing, adding 3316A material according to a formula ratio after the surface temperature of the A part of material is reduced to be below 100 ℃, then adding an initial product, and separating the material in the mold from the middle product mold after the average temperature of the A part of material is reduced to be below 30 ℃ so as to generate a middle product;
s5, heating the C part material obtained in the step S3 to 185 ℃, pouring the C part material into a post-product mold, standing, adding the G-60 material according to a formula proportion after the surface temperature of the C part material is reduced to be below 100 ℃, then adding a medium product, and separating the material in the mold from the post-product mold after the average temperature of the C part material is reduced to be below 30 ℃ so as to generate a post-product;
s6, heating the B part of material obtained in the step S3 to 185 ℃, pouring the B part of material into an adjusting container, adding the M-26 material into the adjusting container according to the formula proportion, and continuously mixing for 15min under the premise of ensuring that the temperature in the adjusting container is 190 ℃ to obtain a mixed solution;
s7, adding the product obtained in the step S5 into a final mold, adding the mixed liquid obtained in the step S6, heating the final mold to 175 ℃, pressurizing at the pressure of 110kPa for 30min, reducing the temperature to below 30 ℃ at a constant speed in the last 10min of pressurization, and separating the material in the mold from the final mold to generate the product;
and S8, performing grinding and polishing operation on the product obtained in the step S7 to generate a final product.
Example 3
The formula of the wood-plastic furniture board is characterized by comprising the following materials: 100 parts of 8-type PVC, 50 parts of light calcium, 20 parts of recycled materials, 20 parts of wood powder, 5 parts of foaming regulators, 5 parts of calcium-zinc stabilizers, 3 parts of white foaming agents, 1 part of yellow foaming agents, 1.5 parts of PE (polyethylene) wax, 1 part of G-60 materials, 0.3 part of 3316A materials, 3 parts of 1801 materials, 1.5 parts of M-26 materials and 2.2 parts of ACR materials, wherein the using amount of the 8-type PVC of each plate is 100 kg.
A production method of a wood-plastic furniture board comprises the following steps:
s1, preparing materials, namely preparing the materials according to the formula of the wood-plastic furniture board;
s2, selecting 100kg of 8-type PVC, heating to 200 ℃, pouring the 8-type PVC into a mixing container, adding a foaming regulator, a calcium-zinc stabilizer, a white foaming agent and a yellow foaming agent into the mixing container according to the formula proportion, continuously mixing for 30min under the premise of keeping the temperature in the mixing container, pouring substances in the mixing container into an initial product mold for molding, and separating the materials in the mold from the initial product mold to generate an initial product;
s3, adding PE wax, 1801 materials, ACR materials, light calcium carbonate, returned materials and wood powder into a sealed container according to the formula proportion, heating to 185 ℃, vacuumizing the sealed container to 70% vacuum, mixing for 15min, then extracting the materials in the sealed container, and dividing the materials into A parts, B parts and C parts, wherein the mass ratio of the three parts is respectively A parts: b, part(s): c parts is 5:3: 5;
s4, heating the A part of material obtained in the step S3 to 190 ℃, pouring the material into a middle product mold, standing, adding 3316A material according to a formula ratio after the surface temperature of the A part of material is reduced to be below 100 ℃, then adding an initial product, and separating the material in the mold from the middle product mold after the average temperature of the A part of material is reduced to be below 30 ℃ so as to generate a middle product;
s5, heating the C part material obtained in the step S3 to 190 ℃, pouring the C part material into a post-product mold, standing, adding the G-60 material according to a formula proportion after the surface temperature of the C part material is reduced to be below 100 ℃, then adding a medium product, and separating the material in the mold from the post-product mold after the average temperature of the C part material is reduced to be below 30 ℃ so as to generate a post-product;
s6, heating the B part of material obtained in the step S3 to 190 ℃, pouring the B part of material into an adjusting container, adding the M-26 material into the adjusting container according to a formula proportion, and continuously mixing for 15min under the premise of ensuring that the temperature in the adjusting container is 190 ℃ to obtain a mixed solution;
s7, adding the product obtained in the step S5 into a final mold, adding the mixed liquid obtained in the step S6, heating the final mold to 180 ℃, pressurizing at the pressure of 120kPa for 30min, reducing the temperature to below 30 ℃ at a constant speed in the last 10min of pressurization, and separating the material in the mold from the final mold to generate the product;
and S8, performing grinding and polishing operation on the product obtained in the step S7 to generate a final product.
To sum up, according to the formula and the production method of the wood-plastic furniture board, the molding operation is carried out by adopting a multi-mold according to a layer molding mode, the inner layer adopts 8-type PVC as a foundation, the outer layer adopts PE wax, 1801 material, ACR material, light calcium carbonate, recycled material and wood powder mixed material, M-26 material is added as a toughening reinforcing agent, 3316A material and G-60 material are used between the inner layer and the outer layer as transition agents between the layers, so that the pressure-resistant, wear-resistant and corrosion-resistant materials are concentrated on the surface, the surface cracking and damage are avoided, the heat-resistant material is concentrated on the middle part, the heat-insulating property of the board is enhanced, and the performances of the board are well guaranteed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The formula of the wood-plastic furniture board is characterized by comprising the following materials: 100 parts of 8-type PVC, 50 parts of light calcium, 20 parts of recycled materials, 20 parts of wood powder, 1-10 parts of foaming regulators, 3-5 parts of calcium-zinc stabilizers, 1-3 parts of white foaming agents, 0.5-1 part of yellow foaming agents, 1-1.5 parts of PE (polyethylene) wax, 1-1.2 parts of G-60 materials, 0.3-0.5 part of 3316A materials, 2-3 parts of 1801 materials, 1-2 parts of M-26 materials and 2-3 parts of ACR materials, wherein the using amount of the 8-type PVC of each plate is 100 kg.
2. A method for producing a wood-plastic furniture board, characterized by comprising the formulation of the wood-plastic furniture board of claim 1, comprising the steps of:
s1, preparing materials according to the formula of the wood-plastic furniture board of claim 1;
s2, selecting 100kg 8-type PVC, heating to 190-;
s3, adding PE wax, 1801 materials, ACR materials, light calcium carbonate, returned materials and wood powder into a sealed container according to the formula proportion, heating to 180-190 ℃, vacuumizing the sealed container to 70% of vacuum, mixing for 15min, then extracting the materials in the sealed container, and dividing the materials into A parts, B parts and C parts, wherein the mass ratio of the three parts is respectively A parts: b, part(s): c parts is 5:3: 5;
s4, heating the material A obtained in the step S3 to 190 ℃, pouring the material A into a middle product mold for standing, adding 3316A material according to the formula ratio after the surface temperature of the material A is reduced to be below 100 ℃, then adding an initial product, and separating the material in the mold from the middle product mold after the average temperature of the material A is reduced to be below 30 ℃ so as to generate a middle product;
s5, heating the C part material obtained in the step S3 to 190 ℃, pouring the C part material into a post-product mold for standing, adding the G-60 material according to the formula proportion after the surface temperature of the C part material is reduced to be below 100 ℃, then adding a medium product, and separating the material in the mold from the post-product mold after the average temperature of the C part material is reduced to be below 30 ℃ so as to generate a post-product;
s6, heating the B part of material obtained in the step S3 to 190 ℃ and pouring the B part of material into a regulating container, adding the M-26 material into the regulating container according to the formula proportion, and continuously mixing for 15min under the premise of ensuring that the temperature in the regulating container is 190 ℃ at 180 ℃ to obtain a mixed liquid;
s7, adding the post-product obtained in the step S5 into a final mold, adding the blending liquid obtained in the step S6, heating the final mold to 170-180 ℃, pressurizing at the pressure of 100-130kPa for 30min, simultaneously reducing the temperature to below 30 ℃ in the last 10min of pressurization at a constant speed, and separating the material in the mold from the final mold to generate the product;
and S8, performing grinding and polishing operation on the product obtained in the step S7 to generate a final product.
CN202010557038.4A 2020-06-18 2020-06-18 Formula and production method of wood-plastic furniture board Pending CN111732797A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1621637A (en) * 2004-12-17 2005-06-01 中国科学院长春应用化学研究所 Solid wastes die pressing composite method for manufacturing new pattern building board
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
CN104191772A (en) * 2014-08-14 2014-12-10 民勤县华安再生资源开发有限公司 Ecological environment-friendly wood-plastic composite panel for advertisement board and preparation method of panel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1621637A (en) * 2004-12-17 2005-06-01 中国科学院长春应用化学研究所 Solid wastes die pressing composite method for manufacturing new pattern building board
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
CN104191772A (en) * 2014-08-14 2014-12-10 民勤县华安再生资源开发有限公司 Ecological environment-friendly wood-plastic composite panel for advertisement board and preparation method of panel

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Application publication date: 20201002