CN112937004A - PVC (polyvinyl chloride) coated sheet material for indoor wall surface and preparation method thereof - Google Patents

PVC (polyvinyl chloride) coated sheet material for indoor wall surface and preparation method thereof Download PDF

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Publication number
CN112937004A
CN112937004A CN202110152814.7A CN202110152814A CN112937004A CN 112937004 A CN112937004 A CN 112937004A CN 202110152814 A CN202110152814 A CN 202110152814A CN 112937004 A CN112937004 A CN 112937004A
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China
Prior art keywords
parts
plate
pvc
substrate
panel
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CN202110152814.7A
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Chinese (zh)
Inventor
严飞杨
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Zhejiang Oufei New Material Group Co ltd
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Zhejiang Oufei New Material Group Co ltd
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Priority to CN202110152814.7A priority Critical patent/CN112937004A/en
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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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood 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
    • B32B27/30—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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/162—Cleaning
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • 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
    • B32B2307/306—Resistant to heat
    • 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
    • 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
    • B32B2307/546—Flexural strength; Flexion stiffness
    • 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
    • B32B2307/558—Impact strength, toughness
    • 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
    • B32B2307/724—Permeability to gases, adsorption
    • 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
    • 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
    • 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
    • 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
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a PVC (polyvinyl chloride) coated sheet material for indoor wall surfaces, which comprises a substrate and a PVC film arranged on the surface of the substrate, wherein the substrate comprises a panel, a core plate and a bottom plate, the core plate is arranged between the panel and the bottom plate, the panel and the bottom plate are both made of wood materials, and the core plate is composed of the following raw materials in parts by weight: 90-100 parts of PVC resin; 10-18 parts of mica powder; 95-100 parts of polyvinyl chloride; 3-6 parts of light calcium carbonate; 3-6 parts of stearic calcium carbonate; 3-8 parts of phthalate; 2-3 parts of stearic acid; 10-15 parts of modified auxiliary agent, so that the prepared PVC film-coated plate can be suitable for different occasions and has good applicability, and the preparation method of the PVC film-coated plate for the indoor wall comprises the following steps: the PVC film laminating machine has the advantages of material preparation, plate making, pretreatment, corona treatment, installation and positioning, film laminating, quality inspection and packaging, simple operation process, better operation continuity through orderly matching of equipment and manpower, high production efficiency of PVC film laminating plates, capability of meeting the requirement of mass production and higher finished product quality of the PVC film laminating plates.

Description

PVC (polyvinyl chloride) coated sheet material for indoor wall surface and preparation method thereof
Technical Field
The invention relates to a plate, in particular to a PVC (polyvinyl chloride) film-coated plate for an indoor wall surface and a preparation method thereof.
Background
The PVC board has the advantages of good rigidity, high strength, flame retardance, corrosion resistance, good electrical insulation, adjustable hardness and the like, and is widely applied as a decorative material. For promoting the decorative property of PVC board, have among the prior art to make PVC tectorial membrane board through the mode of carrying out the tectorial membrane to PVC board surface, PVC tectorial membrane board bright-colored, can select the design and color variety many, waterproof, fire prevention has good durability and anti-soil ability, and the ultraviolet resistance performance is superior, just is fit for being used for the ornamental material of indoor wall.
The existing PVC film-coated plate is made of different materials, so that the prepared PVC film-coated plate has different types, and any PVC film-coated plate has a single function due to single material selection, cannot be applied to different occasions, and is poor in applicability.
Therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a PVC (polyvinyl chloride) coated sheet material for an indoor wall surface and a preparation method thereof, which can be suitable for different occasions and have better applicability, and the preparation method has simple operation flow and better continuity and can meet the requirement of mass production.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a PVC tectorial membrane panel for indoor wall, includes base plate and sets up the PVC membrane on substrate surface, the base plate includes panel, core and bottom plate, the core sets up between panel and bottom plate, panel and bottom plate all adopt wooden material to make, the core comprises the raw materials of following parts by weight:
90-100 parts of PVC resin;
10-18 parts of mica powder;
95-100 parts of polyvinyl chloride;
3-6 parts of light calcium carbonate;
3-6 parts of stearic calcium carbonate;
3-8 parts of phthalate;
2-3 parts of stearic acid;
10-15 parts of a modification assistant.
By adopting the technical scheme, the base plate consists of the face plate, the core plate and the bottom plate, the face plate and the bottom plate are both made of wood materials, the wood plates are firm, durable, environment-friendly and good in moisture absorption and air permeability, so that the comprehensive performance of the base plate is improved, the core plate is reasonably matched with raw materials, so that the produced plastic plate is smooth in surface, high in physical strength, strong in impact resistance and good in high temperature resistance, the toughness and the bending resistance of the core plate are effectively enhanced by adding the modification additive, the structural strength of the base plate is effectively improved by arranging the core plate, the base plate is high in compressive strength and not easy to deform, the functions of the wood plates and the plastic plate can be considered by the base plate, the plates can be mutually coordinated and complemented, and the prepared PVC film-coated plate can be suitable for use in different occasions, the applicability is better.
The invention is further configured to: the PVC film is prepared from the following raw materials in parts by weight:
90-100 parts of polyvinyl chloride;
15-20 parts of a polyurethane elastomer;
40-60 parts of a plasticizer;
1-5 parts of a stabilizer;
1-3 parts of light calcium carbonate;
5-8 parts of ethylaniline.
By adopting the technical scheme, the PVC film has the advantages of reasonable raw material proportion, high toughness, yellowing resistance, no color change, high surface hardness, difficult generation of scratches due to impact and scraping and long service life.
The invention is further configured to: the modified auxiliary agent is composed of the following raw materials in parts by weight:
30-80 parts of high-polymerization-degree polyvinyl chloride;
60-80 parts of silicon dioxide;
5-25 parts of acrylonitrile;
5-8 parts of magnesium chloride.
By adopting the technical scheme, the raw materials of the modification auxiliary agent are reasonably proportioned, and the dispersibility and the fluidity of the core plate raw material mixture are improved, so that the finished core plate has better toughness and bending resistance.
The invention is further configured to: the panel, the core plate and the bottom plate are bonded together through viscose glue.
Through adopting above-mentioned technical scheme, because bond together through the viscose between panel, core and the bottom plate, consequently firm in connection nature is good, avoids taking place the separation between panel, core and the bottom plate to the structure steadiness of base plate has effectively been guaranteed.
The invention is further configured to: the upper surface and the lower surface of the core plate are provided with a plurality of bulges, and a plurality of grooves used for embedding the bulges are formed in the surfaces, attached to the panel, the bottom plate and the core plate, of the panel.
Through adopting above-mentioned technical scheme, owing to all be provided with a plurality of archs on the upper surface and the lower surface of core, and all seted up a plurality of recesses in the one side of panel, bottom plate and core laminating, then through with protruding embedding recess inside, increased the bonding area between core and panel, the bottom plate for the connection between core and panel, the bottom plate is more firm, thereby has further promoted the structure steadiness of base plate.
A preparation method of a PVC (polyvinyl chloride) coated sheet material for indoor wall surfaces comprises the following steps:
1) preparing materials: preparing a panel, a core plate and a bottom plate which need to be processed, inspecting the quality of the panel, the core plate and the bottom plate, and distinguishing defective products from qualified products;
2) plate manufacturing: cutting the panel, the core board and the bottom board which are qualified in the step 1) to enable the shapes and the sizes of the panel, the core board and the bottom board to meet the design requirements of the substrate, then coating a layer of adhesive on the upper surface and the lower surface of the core board, and bonding the panel, the bottom board and the core board together to obtain the substrate;
3) pretreatment: flattening the surface of the substrate treated in the step 2), and cleaning the flattened surface of the substrate by using dichloromethane;
4) corona treatment: placing the substrate treated in the step 3) on a corona machine for corona treatment, and striking micropores on the surface of the substrate;
5) installing and positioning: placing the substrate processed in the step 4) in the middle of a film laminating machine, and fixing the substrate through a guide roller to complete the mounting and positioning of the substrate before film laminating;
6) film covering: mixing polyvinyl chloride, polyurethane elastomer, plasticizer, stabilizer, light calcium carbonate and ethylaniline according to parts by weight to obtain a mixture, putting the mixture into an internal mixer for fully mixing to obtain a PVC raw material, then melting and extruding the PVC raw material to the front of an extrusion die head through a feeding screw rod, attaching a PVC melt after casting extrusion to the surface of a substrate, cutting after cooling and shaping to complete film coating operation, and realizing the compounding of the substrate and a PVC film to obtain a PVC film coated plate;
7) quality inspection: sampling and inspecting the PVC film-coated plate obtained by the treatment in the step 6), and placing the PVC film-coated plate in a shade place after the PVC film-coated plate is inspected to be qualified;
8) packaging: and (4) sticking a protective film on the PVC film-covered plate which is qualified in the step 7), and placing the PVC film-covered plate on a workbench for packaging after the treatment is finished.
By adopting the technical scheme, the preparation method disclosed by the invention is simple in operation flow, and better in operation continuity through orderly matching of equipment and manpower, so that the production efficiency of the PVC film-coated plate is high, the requirement of mass production can be met, and the base plate and the PVC film are more firmly compounded and are not easy to fall off by introducing corona treatment before film coating, so that the quality of the finished product of the PVC film-coated plate is effectively improved.
In conclusion, the invention has the following beneficial effects:
1. the base plate of the PVC film-coated plate consists of the panel, the core plate and the bottom plate, so that the base plate can give consideration to the functions of a wood plate and a plastic plate, and the plates can be mutually coordinated and complemented, so that the prepared PVC film-coated plate can be suitable for being used in different occasions, and has better applicability;
2. the preparation method provided by the invention is simple in operation flow, and has better operation continuity through orderly matching of equipment and manpower, so that the production efficiency of the PVC film-coated plate is high, the requirement of mass production can be met, and the quality of the finished product of the PVC film-coated plate is effectively improved by introducing corona treatment before film coating.
Drawings
FIG. 1 is a first schematic structural view of a PVC film-coated sheet material for indoor wall surfaces according to the present invention;
FIG. 2 is a second structural schematic view of a PVC film-coated sheet material for indoor wall surfaces according to the present invention;
FIG. 3 is a flow chart of a method for preparing the PVC film-coated sheet material for indoor wall surfaces.
Reference numerals: 1. a substrate; 101. a panel; 102. a core board; 103. a base plate; 2. a PVC film; 3. a protrusion; 4. and (4) a groove.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Referring to fig. 1 and 2, a PVC coated sheet material for indoor wall surfaces includes a substrate 1 and a PVC film 2 disposed on a surface of the substrate 1, wherein the PVC film 2 is composed of the following raw materials in parts by weight: 90-100 parts of polyvinyl chloride; 15-20 parts of a polyurethane elastomer; 40-60 parts of a plasticizer; 1-5 parts of a stabilizer; 1-3 parts of light calcium carbonate; 5-8 parts of ethylaniline, base plate 1 includes panel 101, core board 102 and bottom plate 103, core board 102 sets up between panel 101 and bottom plate 103, and panel 101, bond together through the viscose between core board 102 and the bottom plate 103, all be provided with a plurality of archs 3 on the upper surface and the lower surface of core board 102, and at panel 101, all offer a plurality of recesses 4 that are used for protruding 3 embedding on the one side of bottom plate 103 and core board 102 laminating, panel 101 and bottom plate 103 all adopt wooden material to make, core board 102 comprises the raw materials of following parts by weight: 90-100 parts of PVC resin; 10-18 parts of mica powder; 95-100 parts of polyvinyl chloride: 3-6 parts of light calcium carbonate; 3-6 parts of stearic calcium carbonate; 3-8 parts of phthalate; 2-3 parts of stearic acid; 10-15 parts of a modification auxiliary agent, wherein the modification auxiliary agent is composed of the following raw materials in parts by weight: 30-80 parts of high-polymerization-degree polyvinyl chloride; 60-80 parts of silicon dioxide; 5-25 parts of acrylonitrile; 5-8 parts of magnesium chloride.
Because the base plate 1 of the invention is composed of the face plate 101, the core plate 102 and the bottom plate 103, and the core plate 102 is arranged between the face plate 101 and the bottom plate 103, the core plate 102 is arranged inside as an inner core, the face plate 101 and the bottom plate 103 are arranged outside as a surface layer, wherein, because the face plate 101 and the bottom plate 103 are both made of wood materials, the wood materials are solid, durable, green and environment-friendly, and have better moisture absorption and air permeability, thereby increasing the comprehensive performance of the base plate 1, and the core plate 102 is matched by reasonable raw materials, the produced plastic plate has high surface smoothness, physical strength, strong impact resistance and good high temperature resistance, and the toughness and bending resistance of the core plate 102 are effectively enhanced by adding the modification auxiliary agent, the structural strength of the base plate 1 is effectively improved by the arrangement of the core plate 102, the base plate 1 has high compression strength and is not easy to deform, because the base plate 1 adopts a three-, can compromise the function of wooden board and plastic board, and can coordinate mutually complemental between board and the board for the use of different occasions can be applicable to the PVC tectorial membrane 2 panel of making, and the suitability is better.
The PVC film 2 is reasonable in raw material proportion, high in toughness, resistant to yellowing, free of color change, high in surface hardness, not prone to generating scratches when being scratched by impact and long in service life.
The raw material proportion of the modification auxiliary agent is reasonable, and the dispersibility and the fluidity of the raw material mixture of the core plate 102 are improved, so that the finished core plate 102 has better toughness and bending resistance.
Because panel 101, bond together through the viscose between core 102 and the bottom plate 103, the bonding surface is big, stress distribution is even, consequently, the firm in connection nature is good, avoid panel 101, take place the separation between core 102 and the bottom plate 103, thereby effectively guaranteed the structural stability of base plate 1, and because all be provided with a plurality of archs 3 on the upper surface of core 102 and the lower surface, and at panel 101, a plurality of recesses 4 have all been seted up in the one side of bottom plate 103 with core 102 laminating, then when placing core 102 between panel 101 and bottom plate 103, arch 3 can imbed recess 4 inside thereupon, thereby increased core 102 and panel 101, the bonding area between bottom plate 103, make core 102 and panel 101, the connection between bottom plate 103 is more firm, thereby further promoted the structural stability of base plate 1.
Referring to fig. 3, a method for preparing a PVC coated sheet for an indoor wall surface includes the following steps:
1) preparing materials: preparing a panel, a core plate and a bottom plate which need to be processed, inspecting the quality of the panel, the core plate and the bottom plate, and distinguishing defective products from qualified products, wherein a plurality of bulges on the core plate are formed along with the forming of the core plate, and a plurality of grooves on the panel and the bottom plate need to be formed in advance, so that the grooves are matched with the bulges;
2) plate manufacturing: cutting the panel, the core board and the bottom board which are qualified in the step 1) by using a board cutting machine to ensure that the shapes and the sizes of the panel, the core board and the bottom board meet the design requirements of the substrate, then coating a layer of adhesive on the upper surface and the lower surface of the core board, and bonding the panel, the bottom board and the core board together to obtain the substrate;
3) pretreatment: flattening the surface of the substrate treated in the step 2) by a flattening machine, and cleaning the flattened surface of the substrate by dichloromethane to keep the surface of the substrate clean;
4) corona treatment: placing the substrate treated in the step 3) on a corona machine for corona treatment, striking micropores on the surface of the substrate, and controlling the corona control value to be 20-23W/m;
5) installing and positioning: placing the substrate processed in the step 4) on a material support frame in the middle of a film laminating machine, and fixing the substrate through a guide roller to complete the installation and positioning of the substrate before film laminating, so as to prevent the substrate from deviating during film laminating;
6) film covering: mixing polyvinyl chloride, polyurethane elastomer, plasticizer, stabilizer, light calcium carbonate and ethylaniline according to parts by weight to obtain a mixture, putting the mixture into an internal mixer for fully mixing, wherein the temperature in the internal mixer is 120 ℃ plus 150 ℃ to obtain a PVC raw material, then melting and extruding the PVC raw material to the front of an extrusion die head through a feeding screw rod, so that a PVC melt after casting extrusion is attached to the surface of a substrate, cutting after cooling and shaping to complete a film coating operation, so as to realize the compounding of the substrate and a PVC film and obtain a PVC film coating plate, wherein the film coating machine needs to be checked and tried once before use, and the condition of sudden shutdown is avoided;
7) quality inspection: sampling and inspecting the PVC film-coated plate obtained by the treatment in the step 6), inspecting whether bubbles exist on the surface of the PVC film-coated plate or not, inspecting whether the edge of the PVC film-coated plate is rolled up or not, and collecting the PVC film-coated plate in a shade place after the inspection is qualified;
8) packaging: and (3) sticking a protective film on the PVC film coated plate which is qualified through the step 7) by using a protective film sticking machine, and placing the PVC film coated plate on a workbench for packaging after the treatment is finished.
By adopting the preparation method, the whole operation flow is simple, the equipment and the manual work are orderly matched, the operation continuity is good, the production efficiency of the PVC film-coated plate is high, the requirement of mass production can be met, and by introducing the corona treatment before film coating and beating micropores on the surface of the substrate, the PVC melt is easier to permeate, so that the bonding area between the substrate and the PVC film can be increased, the surface of the substrate has higher adhesiveness, the composition between the substrate and the PVC film is firmer and is not easy to fall off, and the finished product quality of the PVC film-coated plate is effectively improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (6)

1. The utility model provides an indoor PVC tectorial membrane panel for wall, includes base plate (1) and sets up PVC membrane (2) on base plate (1) surface, its characterized in that: the base plate (1) comprises a face plate (101), a core plate (102) and a bottom plate (103), wherein the core plate (102) is arranged between the face plate (101) and the bottom plate (103), the face plate (101) and the bottom plate (103) are both made of wood materials, and the core plate (102) is composed of the following raw materials in parts by weight:
90-100 parts of PVC resin;
10-18 parts of mica powder;
95-100 parts of polyvinyl chloride;
3-6 parts of light calcium carbonate;
3-6 parts of stearic calcium carbonate;
3-8 parts of phthalate;
2-3 parts of stearic acid;
10-15 parts of a modification assistant.
2. The PVC coated sheet material for indoor wall surfaces as claimed in claim 1, wherein: the PVC film (2) is prepared from the following raw materials in parts by weight:
90-100 parts of polyvinyl chloride;
15-20 parts of a polyurethane elastomer;
40-60 parts of a plasticizer;
1-5 parts of a stabilizer;
1-3 parts of light calcium carbonate;
5-8 parts of ethylaniline.
3. The PVC coated sheet material for indoor wall surfaces as claimed in claim 1, wherein: the modified auxiliary agent is composed of the following raw materials in parts by weight:
30-80 parts of high-polymerization-degree polyvinyl chloride;
60-80 parts of silicon dioxide;
5-25 parts of acrylonitrile;
5-8 parts of magnesium chloride.
4. The PVC coated sheet material for indoor wall surfaces as claimed in claim 1, wherein: the panel (101), the core board (102) and the bottom board (103) are bonded together through viscose glue.
5. The PVC coated sheet material for indoor wall surfaces as claimed in claim 4, wherein: the upper surface and the lower surface of the core plate (102) are provided with a plurality of protrusions (3), and one surface of the panel (101), the bottom plate (103) and the core plate (102) is provided with a plurality of grooves (4) for embedding the protrusions (3).
6. The preparation method of the PVC film-coated plate for the indoor wall surface according to any one of claims 1 to 5, which is characterized in that: the method comprises the following steps:
1) preparing materials: preparing a panel, a core plate and a bottom plate which need to be processed, inspecting the quality of the panel, the core plate and the bottom plate, and distinguishing defective products from qualified products;
2) plate manufacturing: cutting the panel, the core board and the bottom board which are qualified in the step 1) to enable the shapes and the sizes of the panel, the core board and the bottom board to meet the design requirements of the substrate, then coating a layer of adhesive on the upper surface and the lower surface of the core board, and bonding the panel, the bottom board and the core board together to obtain the substrate;
3) pretreatment: flattening the surface of the substrate treated in the step 2), and cleaning the flattened surface of the substrate by using dichloromethane;
4) corona treatment: placing the substrate treated in the step 3) on a corona machine for corona treatment, and striking micropores on the surface of the substrate;
5) installing and positioning: placing the substrate processed in the step 4) in the middle of a film laminating machine, and fixing the substrate through a guide roller to complete the mounting and positioning of the substrate before film laminating;
6) film covering: mixing polyvinyl chloride, polyurethane elastomer, plasticizer, stabilizer, light calcium carbonate and ethylaniline according to parts by weight to obtain a mixture, putting the mixture into an internal mixer for fully mixing to obtain a PVC raw material, then melting and extruding the PVC raw material to the front of an extrusion die head through a feeding screw rod, attaching a PVC melt after casting extrusion to the surface of a substrate, cutting after cooling and shaping to complete film coating operation, and realizing the compounding of the substrate and a PVC film to obtain a PVC film coated plate;
7) quality inspection: sampling and inspecting the PVC film-coated plate obtained by the treatment in the step 6), and placing the PVC film-coated plate in a shade place after the PVC film-coated plate is inspected to be qualified;
8) packaging: and (4) sticking a protective film on the PVC film-covered plate which is qualified in the step 7), and placing the PVC film-covered plate on a workbench for packaging after the treatment is finished.
CN202110152814.7A 2021-02-04 2021-02-04 PVC (polyvinyl chloride) coated sheet material for indoor wall surface and preparation method thereof Pending CN112937004A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103172949A (en) * 2013-03-14 2013-06-26 安徽天润塑业有限公司 Door PVC (Polyvinyl Chloride) plastic plate and manufacturing method thereof
CN106113808A (en) * 2016-07-12 2016-11-16 东北林业大学 A kind of sound insulation type wood plastic composite and preparation method
CN106320695A (en) * 2016-10-12 2017-01-11 山西四建集团有限公司 Plastic-covered plywood building formwork and preparation method thereof
US20190145109A1 (en) * 2017-11-13 2019-05-16 Gerflor Rigid panel for making a floor covering
CN110219428A (en) * 2019-05-14 2019-09-10 广东欧铭新材料科技有限公司 A kind of fire-proof and water-proof composite floor board and decorative panel
CN111923182A (en) * 2020-08-17 2020-11-13 浙江云强新材料科技有限公司 Flame-retardant process for PVC (polyvinyl chloride) film-coated die-pressed medium-density decorative plate

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103172949A (en) * 2013-03-14 2013-06-26 安徽天润塑业有限公司 Door PVC (Polyvinyl Chloride) plastic plate and manufacturing method thereof
CN106113808A (en) * 2016-07-12 2016-11-16 东北林业大学 A kind of sound insulation type wood plastic composite and preparation method
CN106320695A (en) * 2016-10-12 2017-01-11 山西四建集团有限公司 Plastic-covered plywood building formwork and preparation method thereof
US20190145109A1 (en) * 2017-11-13 2019-05-16 Gerflor Rigid panel for making a floor covering
CN110219428A (en) * 2019-05-14 2019-09-10 广东欧铭新材料科技有限公司 A kind of fire-proof and water-proof composite floor board and decorative panel
CN111923182A (en) * 2020-08-17 2020-11-13 浙江云强新材料科技有限公司 Flame-retardant process for PVC (polyvinyl chloride) film-coated die-pressed medium-density decorative plate

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