CN113914567A - Novel micro-foaming carbon spar wallboard and processing technology thereof - Google Patents

Novel micro-foaming carbon spar wallboard and processing technology thereof Download PDF

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Publication number
CN113914567A
CN113914567A CN202111200172.XA CN202111200172A CN113914567A CN 113914567 A CN113914567 A CN 113914567A CN 202111200172 A CN202111200172 A CN 202111200172A CN 113914567 A CN113914567 A CN 113914567A
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layer
wallboard
pvc
foaming
parts
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林生雄
林锦健
李强
谢闻夏
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Fujian Sijia Industrial Material Co ltd
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Fujian Sijia Industrial Material Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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
    • B32B27/065—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 foam
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • 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
    • 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
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • 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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C08J9/0066—Use of inorganic compounding ingredients
    • 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
    • C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B32B2266/0235—Vinyl halide, 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/308—Heat stability
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/584—Scratch 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
    • B32B2307/712—Weather resistant
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • 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
    • B32B2607/00—Walls, panels
    • B32B2607/02—Wall papers, wall coverings
    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/18—Binary blends of expanding agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2327/00—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 at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • 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
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  • Textile Engineering (AREA)
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Abstract

The invention belongs to the technical field of building materials, in particular to a novel micro-foaming carbon spar wallboard and a processing technology thereof, aiming at the problem of poor comprehensive performance when wall paper, an integrated wallboard and a wood fiber wallboard are adopted for decorating a wall surface, the invention provides the following scheme, which comprises a substrate layer; a non-woven fabric layer; a PVC color film layer; a PVC wear layer; according to the invention, the barite wallboard is introduced with the barite raw material, so that the weather resistance of the product is improved, and the glue curing speed after film coating is improved through humidification treatment after the PUR hot melt adhesive is coated when the product is subjected to film pasting treatment; the PVC color film layer is lined with the non-woven fabric layer, so that the adhesive force between the PVC color film layer and the base material layer is improved; the PVC wear-resistant layer is added with the flaky inorganic filler with the nano-scale thickness, so that the wear resistance and the barrier property to the ink migration of the color film layer are improved; in addition, the non-woven fabric layer is used for buffering, so that the phenomenon that glue is unevenly dispersed and is highlighted on the appearance of the wallboard can be avoided, and the product of the carbon spar wallboard is high in thermal stability, deformation resistance, scraping resistance and wear resistance in the using process.

Description

Novel micro-foaming carbon spar wallboard and processing technology thereof
Technical Field
The invention relates to the technical field of building materials, in particular to a novel micro-foaming carbon spar wallboard and a processing technology thereof.
Background
The modern society develops at a high speed, various buildings such as bamboo shoots come out after raining, and the demand of decorative plates for the surfaces of the buildings is continuously strengthened; the building decorative plate is a material which is paved or coated on the surface of a building to play roles of decoration and environment beautification, integrates materials, processes, modeling design and aesthetics, and is an important material foundation of building decoration engineering.
At present, the traditional wall decoration adopts wallpaper, integrated wallboards and wood fiber wallboards; wallpaper requires high wall surface flatness, and needs to be adhered to a wall surface by glue, so that the wallpaper is easy to fall off after long-time use, has poor waterproof and moisture-proof performances and poor fireproof performances, and influences normal use; the integrated wallboard is of a hollow structure, has higher thickness, occupies more decoration space, and is easy to damage and deform when being impacted by external force; the main base material of the wood fiber wallboard is the density board, the outer coating decoration material is coated with the film, the wood fiber wallboard is easy to delaminate and deform when meeting water or in a humid environment, more glue is added in the process of producing the density board at high pressure to play a role in adhesion, and after the wood fiber wallboard is produced into a wall decoration material, the problem that formaldehyde exceeds the standard often occurs in a use space.
Therefore, a novel micro-foaming carbon spar wallboard and a processing technology thereof are needed to solve the problem of poor comprehensive performance when wall paper, integrated wallboards and wood fiber wallboards are adopted for decoration.
Disclosure of Invention
The invention provides a novel micro-foaming carbon spar wallboard and a processing technology thereof, and solves the problem of poor comprehensive performance when wall paper, integrated wallboards and wood fiber wallboards are adopted for decoration.
In order to achieve the purpose, the invention adopts the following technical scheme: a novel micro-foaming carbon spar wallboard comprises a base material layer, wherein the base material layer is used for a base bottom layer of the wallboard;
the non-woven fabric layer is arranged on the top surface of the base material layer;
the PVC colored film layer is arranged on the top surface of the non-woven fabric layer, the surface of the base material layer is coated with the PUR hot melt adhesive, and the non-woven fabric layer and the PVC colored film layer are sequentially pressed on the surface of the base material layer;
the PVC wearing layer, the PVC wearing layer set up in the top surface of the various rete of PVC.
Preferably, the substrate layer comprises PVC resin, light calcium carbonate, carbon spar, calcium zinc stabilizer, yellow foaming agent, white foaming agent, foaming regulator, stearic acid, PE wax, CPE and high-temperature oxidation wax.
A novel processing technology of a micro-foaming carbon spar wallboard comprises the following steps:
s1, mixing materials: PVC resin, light calcium carbonate, carbon spar, a calcium zinc stabilizer, a yellow foaming agent, a white foaming agent, a foaming regulator, stearic acid, PE wax, CPE and high-temperature oxidized wax are sequentially sent to a high-temperature mixer at the temperature of 100-120 ℃ according to a proportion of processing aids by an automatic metering system, firstly stirred at a low speed for 1-3min and stirred at a high speed until the material temperature reaches 100-120 ℃;
s2, extrusion foaming: the material in the step S1 is sent to a storage tank through a transition bin, the powdery material is firstly micro-foamed and then extruded into blocks through a double-screw extruder at the temperature of 170 plus 200 ℃ through a discharge hopper, the blocks are extruded into continuous cylinders with the diameter of 10-15cm through a confluence core at the temperature of 150 plus 170 ℃, finally the cylindrical material is expanded into continuous sheet materials through a T-shaped die at the temperature of 180 plus 200 ℃, the thickness of the sheet materials is controlled to be 4-8mm through an electric optical rod, and the sheet materials are subjected to traction, cooling and sizing through a traction device and then cut into pieces according to the required size to obtain the required carbon spar substrate laminate;
s3, film pasting: placing the barite base material laminate obtained by cutting in the step S2 on a coating workbench, coating PUR hot melt adhesive of 50-80 g/square meter by feeding through a manipulator on a coating device, carrying out UV (ultraviolet) wear-resistant treatment on the surface of a PVC color film layer, and carrying out surface coating on the PVC color film layer, so that a PVC wear-resistant layer is laid on the surface of the PVC color film layer, controlling the unwinding tension of the PVC color film layer, laminating the PVC color film layer on the barite base material laminate, and laminating the PVC color film layer and a base material layer more tightly through a rubber pressing roller to obtain the barite wallboard;
s4, laminating: and (5) performing film coating treatment on the surface of the carbon spar wallboard subjected to the film coating treatment in the step S3 through a film coating treatment device.
Preferably, the proportion in the step S1 is 100-150 parts of PVC resin, 50-120 parts of light calcium carbonate, 5-15 parts of carbon spar, 2-8 parts of calcium-zinc stabilizer, 0.5-2 parts of yellow foaming agent, 0.5-2 parts of white foaming agent, 5-15 parts of foaming regulator, 1-3 parts of stearic acid, 0.5-2 parts of PE wax, 2-8 parts of CPE2 and 0.5-2 parts of high-temperature oxidized wax.
Preferably, in step S3, the surface of the PUR hot melt adhesive is heated and leveled, and after the heating and leveling is completed, the PUR hot melt adhesive is humidified.
Preferably, the PVC wear-resistant layer laid in the step S3 contains flaky inorganic fillers with the thickness of 100-800 nm.
Preferably, the carbon spar wallboard membrane spraying treatment process in the step S4 is two.
Preferably, the barite wallboard subjected to the two-pass film coating surface treatment in the step S4 is subjected to thimble method test treatment.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the barite wallboard is introduced with the barite raw material, so that the weather resistance of the product is improved, and the glue curing speed after film coating is improved through humidification treatment after the PUR hot melt adhesive is coated when the product is subjected to film pasting treatment; the PVC color film layer is lined with the non-woven fabric layer, so that the adhesive force between the PVC color film layer and the base material layer is improved; the PVC wear-resistant layer is added with the flaky inorganic filler with the nano-scale thickness, so that the wear resistance and the barrier property to the ink migration of the color film layer are improved; in addition, the non-woven fabric layer is used for buffering, so that the phenomenon that glue is unevenly dispersed and is highlighted on the appearance of the wallboard can be avoided, and the product of the carbon spar wallboard is high in thermal stability, deformation resistance, scraping resistance and wear resistance in the using process.
2. According to the invention, the barite wallboard subjected to the two-pass film coating surface treatment is subjected to thimble method test treatment, so that the scratch resistance strength of the surface of the wallboard is greatly improved, and the dimensional stability and rigidity of the board are effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a novel micro-foamed carbon spar wallboard provided by the invention;
fig. 2 is a system block diagram of a novel micro-foamed carbon spar wallboard processing technology provided by the invention.
In the figure: 1. a substrate layer; 2. a PVC color film layer; 3. a non-woven fabric layer; 4. a PVC wear layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a novel micro-foamed carbon spar wallboard comprises a substrate layer 1, wherein the substrate layer 1 is used for a base bottom layer of the wallboard; the non-woven fabric layer 2 is arranged on the top surface of the base material layer 1; the PVC colored film layer 3 is arranged on the top surface of the non-woven fabric layer 2, the PUR hot melt adhesive is coated on the surface of the substrate layer 1, and the non-woven fabric layer 2 and the PVC colored film layer 3 are sequentially pressed on the surface of the substrate layer 1; PVC wearing layer 4, PVC wearing layer 4 set up in the top surface of PVC color film layer 3, and PVC wearing layer 4 contains the slice inorganic filler of nanometer thickness.
The substrate layer 1 comprises PVC resin, light calcium carbonate, carbon spar, a calcium zinc stabilizer, a yellow foaming agent, a white foaming agent, a foaming regulator, stearic acid, PE wax, CPE and high-temperature oxidized wax.
A novel processing technology of a micro-foaming carbon spar wallboard comprises the following steps:
s1, mixing materials: PVC resin, 800-mesh light calcium carbonate, carbon spar, a calcium zinc stabilizer, a yellow foaming agent, a white foaming agent, a foaming regulator, stearic acid, PE wax, CPE and high-temperature oxidized wax are sequentially sent to a high-temperature mixer at the temperature of 100-120 ℃ according to a proportion of processing aids by an automatic metering system, and are firstly stirred at a low speed for 1-3min and then stirred at a high speed until the material temperature reaches 100-120 ℃;
specifically, the material ratio in step S1 can refer to the following table:
Figure BDA0003304626920000051
in step S1, a carbon spar material is introduced to control the foaming ratio and improve the bending resistance.
S2, extrusion foaming: the material in the step S1 is sent to a storage tank through a transition bin, the powdery material is firstly micro-foamed and then extruded into blocks through a double-screw extruder at the temperature of 170 plus 200 ℃ through a discharge hopper, the blocks are extruded into continuous cylinders with the diameter of 10-15cm through a confluence core at the temperature of 150 plus 170 ℃, finally the cylindrical material is expanded into continuous sheet materials through a T-shaped mold at the temperature of 180 plus 200 ℃, the thickness of the sheet materials is controlled to be 4-8mm through an electric optical rod, and the sheet materials are subjected to traction, cooling and sizing through a traction device and then cut into pieces according to the required size to obtain the required carbon spar substrate layer 1;
specifically, the temperature setting parameters of each section of the twin-screw extruder can be referred to the following table:
Figure BDA0003304626920000061
the process parameters of the traction device can be set according to the following table:
type (B) Speed of main engine Rotational speed of feed Current of the host Feeding current Traction speed
Parameter(s) 25-30rpm 15-20rpm 100-130A 1.0-5.0A 10m/min
S3, film pasting: placing the carbon spar base material layer 1 obtained by cutting in the step S2 on a coating workbench, feeding and coating PUR hot melt adhesive of 50-80 g/square meter by a manipulator on a coating device, humidifying the surface of the PUR hot melt adhesive, performing wear-resistant treatment on the surface of the PVC color film layer 3, and performing surface coating on the surface of the PVC color film layer to lay a PVC wear-resistant layer 4 on the surface of the PVC color film layer 3, wherein the laid PVC wear-resistant layer 4 contains mica or flaky alumina filler with the addition of 0-5% and the thickness of 100 plus one 800nm, so that the wear resistance and the barrier property to the migration of the ink of the color film layer are improved; controlling the unwinding tension of the PVC color film layer 3, laminating the PVC color film layer 3 on the barite base material layer 1, and tightly attaching the PVC color film layer 3 and the base material layer 1 through a rubber pressing roller to obtain the barite wallboard;
specifically, through the laminating of PUR hot melt adhesive with the various rete 3 of PVC on substrate layer 1, adjust the various rete 3 of PVC and batch tension, can effectively avoid bubble and swell unusual to through the levelling processing that heats, promote PUR to glue curing speed and evenly distributed effect.
The technological parameters of the coating device in the film sticking process can refer to the following table:
Figure BDA0003304626920000071
s4, laminating: carrying out film coating treatment on the surface of the carbon spar wallboard subjected to the film coating treatment in the step S3 through a film coating treatment device;
specifically, the film spraying treatment process of the carbon spar wallboard comprises two steps, the carbon spar wallboard subjected to the film spraying surface treatment in the two steps is subjected to thimble method test treatment, the thimble method test can reach 2500g, the scratch resistance strength of the surface of the wallboard is greatly improved, and the dimensional stability and the rigidity of the plate are effectively improved; the plate is not easy to deform at high temperature, is not brittle at low temperature and has stronger rigidity.
Specifically, the process parameters of the laminating device can be referred to as follows:
Figure BDA0003304626920000072
in conclusion, the carborundum wallboard introduces the carborundum raw materials, improves product weatherability to through humidification processing after PUR hot melt adhesive coating when carrying out the pad pasting to it, improve glue solidification rate behind the tectorial membrane, and 3 end liner non-woven fabrics layers 2 of the various rete of PVC, improve adhesive force between the various rete of PVC 3 and the substrate layer 1, on the other hand through the buffering of non-woven fabrics layers 2, can avoid the glue dispersion inequality salient at the wallboard outward appearance.
In practical application, the difference of the technical indexes of the micro-foaming carbon spar wallboard compared with the traditional PVC foaming wallboard is found as follows:
Figure BDA0003304626920000081
compared with the traditional PVC foaming wallboard, the micro-foaming carbon spar wallboard has obvious advantages in key data, and is better in product thermal stability, deformation resistance, scraping resistance and wear resistance.
In addition, the mortice is opened to the bottom one side lateral wall accessible fluting device of substrate layer 1, and the opposite side lateral wall of substrate layer 1 sets up the tenon with the mortise looks adaptation, and carbon spar wallboard accessible tenon and mortice are installed, improve its convenience when installing the use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The novel micro-foaming carbon spar wallboard is characterized by comprising a substrate layer (1), wherein the substrate layer (1) is used for a base bottom layer of the wallboard;
the non-woven fabric layer (2), the non-woven fabric layer (2) is arranged on the top surface of the base material layer (1);
the PVC colored film layer (3) is arranged on the top surface of the non-woven fabric layer (2), the surface of the base material layer (1) is coated with the PUR hot melt adhesive, and the non-woven fabric layer (2) and the PVC colored film layer (3) are sequentially pressed on the surface of the base material layer (1);
PVC wearing layer (4), PVC wearing layer (4) set up in the top surface of PVC various rete (3).
2. The novel micro-foamed carbon spar wallboard according to claim 1, wherein the substrate layer (1) comprises PVC resin, light calcium carbonate, carbon spar, calcium zinc stabilizer, yellow foaming agent, white foaming agent, foaming regulator, stearic acid, PE wax, CPE, high temperature oxidation wax.
3. The processing technology of the novel micro-foaming carbon spar wallboard of any one of claims 1-2, characterized by comprising the following steps:
s1, mixing materials: PVC resin, light calcium carbonate, carbon spar, a calcium zinc stabilizer, a yellow foaming agent, a white foaming agent, a foaming regulator, stearic acid, PE wax, CPE and high-temperature oxidized wax are sequentially sent to a high-temperature mixer at the temperature of 100-120 ℃ according to a proportion of processing aids by an automatic metering system, firstly stirred at a low speed for 1-3min and stirred at a high speed until the material temperature reaches 100-120 ℃;
s2, extrusion foaming: the material in the step S1 is sent to a storage tank through a transition bin, the powdery material is firstly micro-foamed and then extruded into blocks through a double-screw extruder at the temperature of 170-;
s3, film pasting: placing the barite base material layer (1) obtained by cutting in the step S2 on a coating workbench, coating PUR hot melt adhesive of 50-80 g/square meter by using a manipulator on a coating device, carrying out wear-resistant treatment on the surface of the PVC color film layer (3), and carrying out surface coating on the PVC color film layer to lay a PVC wear-resistant layer (4) on the surface of the PVC color film layer (3), controlling the unwinding tension of the PVC color film layer (3), laminating the PVC color film layer (3) on the barite base material layer (1), and laminating the PVC color film layer (3) and the base material layer (1) more tightly by using a rubber pressing roller to obtain the barite wallboard;
s4, laminating: and (5) performing film coating treatment on the surface of the carbon spar wallboard subjected to the film coating treatment in the step S3 through a film coating treatment device.
4. The novel processing technology of micro-foaming carbon spar wallboard as claimed in claim 3, wherein the proportion in step S1 is 100-150 parts of PVC resin, 50-120 parts of light calcium carbonate, 5-15 parts of carbon spar, 2-8 parts of calcium zinc stabilizer, 0.5-2 parts of yellow foaming agent, 0.5-2 parts of white foaming agent, 5-15 parts of foaming regulator, 1-3 parts of stearic acid, 0.5-2 parts of PE wax, 2-8 parts of CPE, and 0.5-2 parts of high temperature oxidized wax.
5. The novel processing technology of the micro-foaming carbon spar wallboard according to claim 3, wherein the heating leveling treatment is performed on the surface of the PUR hot melt adhesive in the step S3, and the heating leveling treatment is performed after the heating leveling treatment is completed, so that the heating leveling treatment is performed.
6. The processing technology of the novel micro-foamed carbon spar wallboard of claim 3, wherein the PVC wear layer laid in the step S3 contains a flaky inorganic filler with a thickness of 100-800 nm.
7. The novel processing technology of micro-foaming carbon spar wallboard according to claim 3, wherein the carbon spar wallboard membrane spraying treatment process in the step S4 is two.
8. The novel processing technology of micro-foaming barite wallboard according to claim 7, wherein the barite wallboard after the two-pass film coating surface treatment in step S4 is subjected to thimble test treatment.
CN202111200172.XA 2021-10-14 2021-10-14 Novel micro-foaming carbon spar wallboard and processing technology thereof Pending CN113914567A (en)

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