CN112693187A - Laminated substrate and manufacturing method thereof - Google Patents

Laminated substrate and manufacturing method thereof Download PDF

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Publication number
CN112693187A
CN112693187A CN202011547798.3A CN202011547798A CN112693187A CN 112693187 A CN112693187 A CN 112693187A CN 202011547798 A CN202011547798 A CN 202011547798A CN 112693187 A CN112693187 A CN 112693187A
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China
Prior art keywords
layer
wood board
core
parts
glass fiber
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Pending
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CN202011547798.3A
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Chinese (zh)
Inventor
蔡聪惠
魏善清
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Jiangsu Xinermei Wood Industry Co ltd
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Jiangsu Xinermei Wood Industry Co ltd
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Priority to CN202011547798.3A priority Critical patent/CN112693187A/en
Publication of CN112693187A publication Critical patent/CN112693187A/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
    • 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
    • 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
    • B32B21/10—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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • 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
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/1284—Application of adhesive
    • 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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a laminated substrate and a manufacturing method thereof, and the technical scheme is as follows: including first plank layer and second plank layer, first plank layer with be equipped with the core layer between the second plank layer, one side of core layer with the medial surface fixed connection of first plank layer, the opposite side of core layer with the medial surface fixed connection of second plank layer, one side surface mosaic of core layer has glass fiber net layer, the another side of core layer is inlayed and is had the iron wire stratum reticulare, and the core layer that is equipped with is favorable to the installation of glass fiber net layer and iron wire stratum reticulare, and glass fiber net layer has good alkali resistance, pliability and longitude and latitude to high tensile resistance, and the iron wire stratum reticulare that is equipped with has better toughness, and anti crushing strength is higher, and intensity is difficult for being destroyed, is favorable to improving the structural strength between the plank through the suppression shaping, improves the toughness of substrate.

Description

Laminated substrate and manufacturing method thereof
Technical Field
The invention relates to the field of base materials, in particular to a layered base material and a manufacturing method thereof.
Background
The base material is a component of the composite floor, the basic base material components are almost, only the quality is considered, and the base material is not classified into base materials of different brands; the floor substrate accounts for more than 90% of the total floor component (on a solids basis), and the substrate accounts for about 70% of the total laminate wood floor cost structure. The price and supply status of wood resources are the core factors of the substrate cost. In addition, the cost of the base material varies with the processing equipment due to the difference of the material composition and the difference of the adhesive.
For example, chinese patent No. CN202899563U discloses a reinforced wood board substrate, which is characterized in that: the reinforced wood board substrate comprises a solid wood layer, a waterproof layer, a density board layer and a plastic board layer, wherein the waterproof layer is a polyethylene film. The polyethylene film has very good waterproof performance, and the surface of the solid wood floor layer has stronger moisture-proof capability after being treated.
The wood board substrate has the advantages of water resistance and moisture resistance; however, the above-mentioned wood board substrate still has some disadvantages, such as: the base material has poor bending resistance and low strength, and the plate is easy to fall off and has poor quality when in use.
Disclosure of Invention
The present invention is directed to a layered substrate and a method for manufacturing the same, which solve the problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a stratifying group material, includes first plank layer and second plank layer, first plank layer with be equipped with the core layer between the second plank layer, one side of core layer with the medial surface fixed connection of first plank layer, the opposite side of core layer with the medial surface fixed connection of second plank layer, one side surface mosaic of core layer has glass fiber net check cloth layer, the another side of core layer is inlayed and is had the iron wire net layer.
Preferably, the iron wire mesh layer is formed by interweaving a plurality of transverse iron wires and a plurality of longitudinal iron wires, and the diameter of the iron wires is 1-1.5 mm.
Preferably, the thickness of the glass fiber gridding cloth layer is 1.2-1.6 mm.
A manufacturing method of a laminated substrate comprises the following specific steps:
the method comprises the following steps: processing logs, namely cutting the logs into log sections through a cutting machine according to design drawings, and cutting the log sections into wood boards through a cutting machine according to the design drawings;
step two: wood board treatment, namely cleaning the surface of the wood board, removing impurities on the surface, placing the wood board into a drying furnace for drying treatment, heating the temperature in the drying furnace to 200-260 ℃, and drying the moisture in the wood board to 3.3-4.2%;
step three: core board treatment, cutting the glass fiber gridding cloth into glass fiber gridding cloth pieces according to a design drawing, cutting the wire netting into wire netting pieces according to the design drawing, and respectively installing the wire netting and the glass fiber gridding cloth pieces on a core board layer;
step four: gluing, namely uniformly coating adhesives on the surfaces of two sides of the core plate, and uniformly coating the adhesive on the surface of one side of the first wood board layer and the surface of one side of the second wood board layer;
step five: pressing and forming, namely placing the second wood board layer coated with the adhesive on the bottom surface of a pressing machine, placing the core board coated with the adhesive on two sides on the upper surface of the second wood board layer, placing the first wood board layer on the upper surface of the core board, pressing by the pressing machine under the pressure of 2-5MPa, heating to 40-60 ℃, then carrying out hot pressing, and cooling to form the base material;
step six: and (4) trimming the base material, and performing burr removing treatment on the molded base material.
Preferably, the cutting speed of the cutting machine is 400-500 rpm, and the drying time of the wood board is 18-22 minutes.
Preferably, the pressing machine performs cold pressing for 40-60 minutes, and the hot pressing is performed for 30-40 minutes.
Preferably, the adhesive comprises the following components in parts by weight: 30-40 parts of phenolic resin, 16-20 parts of epoxy resin, 10-14 parts of epoxy chloropropane, 8-12 parts of sodium hydroxide, 2-6 parts of coupling agent, 2-4 parts of thickening agent, 8-10 parts of curing agent and the balance of water.
Preferably, the coupling agent is one or more of a KH550 silane coupling agent, a KH560 silane coupling agent, a KH570 silane coupling agent and a KH792 silane coupling agent.
Preferably, the curing agent is one of a diethylaminopropylamine curing agent, a hexamethylenediamine adduct curing agent and a trimethylhexamethylenediamine curing agent.
Preferably, the thickener is one of a monoethanolamine chloride thickener, a diethanolamine chloride thickener and a sodium sulfate thickener.
Compared with the prior art, the invention has the beneficial effects that:
this layer is concentrated in the substrate, and the core plate layer that is equipped with is favorable to the installation of glass fiber net check cloth layer and iron wire stratum reticulare, and glass fiber net check cloth layer has good alkali resistance, pliability and the high stretching resistance of longitude and latitude direction, and the iron wire stratum reticulare that is equipped with has better toughness, bursting strength, and intensity is higher, is difficult for being destroyed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of a manufacturing process of the present invention.
In the figure: 1. a first wood board layer; 2. a second wood board layer; 3. a core layer; 4. a fiberglass mesh fabric layer; 5. and a wire mesh 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. 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.
Example 1
The utility model provides a lamination substrate, includes first wood board layer 1 and second wood board layer 2, first wood board layer 1 with be equipped with core layer 3 between the second wood board layer 2, one side of core layer 3 with the medial surface fixed connection of first wood board layer 1, the opposite side of core layer 3 with the medial surface fixed connection of second wood board layer 2, one side surface mosaic of core layer 3 has glass fiber net check cloth layer 4, another side mosaic of core layer 3 has iron wire net layer 5.
In this embodiment, preferably, the iron wire mesh layer 5 is formed by interweaving a plurality of transverse iron wires and a plurality of longitudinal iron wires, and the diameter of the iron wires is 1 mm.
In this embodiment, the thickness of the glass fiber mesh fabric layer 4 is preferably 1.2 mm.
A manufacturing method of a laminated substrate comprises the following specific steps:
the method comprises the following steps: processing logs, namely cutting the logs into log sections through a cutting machine according to design drawings, and cutting the log sections into wood boards through a cutting machine according to the design drawings;
step two: the wood board treatment, namely cleaning the surface of the wood board, removing impurities on the surface, placing the wood board into a drying furnace for drying treatment, heating the temperature in the drying furnace to 200 ℃, and drying the moisture in the wood board to 3.3%;
step three: core board treatment, cutting the glass fiber gridding cloth into glass fiber gridding cloth pieces according to a design drawing, cutting the wire netting into wire netting pieces according to the design drawing, and respectively installing the wire netting and the glass fiber gridding cloth pieces on the core board layer 3;
step four: gluing, namely uniformly coating adhesives on the surfaces of two sides of the core plate 3, and uniformly coating the adhesive on the surface of one side of the first wood board layer 1 and the surface of one side of the second wood board layer 2;
step five: pressing and forming, namely placing the second wood board layer 2 coated with the adhesive on the bottom surface of a pressing machine, placing the core board 3 coated with the adhesive on two sides on the upper surface of the second wood board layer 2, placing the first wood board layer 1 on the upper surface of the core board 3, pressing by the pressing machine under the pressure of 2MPa, heating to 40 ℃, then carrying out hot pressing, and cooling to form the base material;
step six: and (4) trimming the base material, and performing burr removing treatment on the molded base material.
In this embodiment, preferably, the cutting speed of the cutting machine is 400 rpm, and the drying time of the wood board is 18 minutes.
In this embodiment, preferably, the pressing machine performs cold pressing for 40 minutes, and the hot pressing for 30 minutes.
In this embodiment, preferably, the adhesive comprises the following components in parts by weight: 30 parts of phenolic resin, 16 parts of epoxy resin, 10 parts of epoxy chloropropane, 8 parts of sodium hydroxide, 2 parts of coupling agent, 2 parts of thickening agent, 8 parts of curing agent and the balance of water.
In this embodiment, the coupling agents are preferably a KH550 silane coupling agent and a KH560 silane coupling agent.
In this embodiment, the curing agent is preferably a diethylaminopropylamine curing agent.
In this embodiment, preferably, the thickener is a monoethanolamine chloride thickener.
Example 2
The utility model provides a lamination substrate, includes first wood board layer 1 and second wood board layer 2, first wood board layer 1 with be equipped with core layer 3 between the second wood board layer 2, one side of core layer 3 with the medial surface fixed connection of first wood board layer 1, the opposite side of core layer 3 with the medial surface fixed connection of second wood board layer 2, one side surface mosaic of core layer 3 has glass fiber net check cloth layer 4, another side mosaic of core layer 3 has iron wire net layer 5.
In this embodiment, preferably, the iron wire mesh layer 5 is formed by interweaving a plurality of transverse iron wires and a plurality of longitudinal iron wires, and the diameter of the iron wires is 1.3 mm.
In this embodiment, the thickness of the glass fiber mesh fabric layer 4 is preferably 1.4 mm.
A manufacturing method of a laminated substrate comprises the following specific steps:
the method comprises the following steps: processing logs, namely cutting the logs into log sections through a cutting machine according to design drawings, and cutting the log sections into wood boards through a cutting machine according to the design drawings;
step two: the wood board treatment, namely cleaning the surface of the wood board, removing impurities on the surface, placing the wood board into a drying furnace for drying treatment, heating the temperature in the drying furnace to 240 ℃, and drying the moisture in the wood board to 3.8%;
step three: core board treatment, cutting the glass fiber gridding cloth into glass fiber gridding cloth pieces according to a design drawing, cutting the wire netting into wire netting pieces according to the design drawing, and respectively installing the wire netting and the glass fiber gridding cloth pieces on the core board layer 3;
step four: gluing, namely uniformly coating adhesives on the surfaces of two sides of the core plate 3, and uniformly coating the adhesive on the surface of one side of the first wood board layer 1 and the surface of one side of the second wood board layer 2;
step five: pressing and forming, namely placing the second wood board layer 2 coated with the adhesive on the bottom surface of a pressing machine, placing the core board 3 coated with the adhesive on two sides on the upper surface of the second wood board layer 2, placing the first wood board layer 1 on the upper surface of the core board 3, pressing by the pressing machine under the pressure of 4MPa, heating to 50 ℃, then carrying out hot pressing, and cooling to form the base material;
step six: and (4) trimming the base material, and performing burr removing treatment on the molded base material.
In this embodiment, preferably, the cutting speed of the cutting machine is 450 rpm, and the drying time of the wood board is 20 minutes.
In this embodiment, preferably, the pressing machine performs cold pressing for 50 minutes, and the hot pressing for 35 minutes.
In this embodiment, preferably, the adhesive comprises the following components in parts by weight: 35 parts of phenolic resin, 18 parts of epoxy resin, 12 parts of epoxy chloropropane, 10 parts of sodium hydroxide, 4 parts of coupling agent, 3 parts of thickening agent, 9 parts of curing agent and the balance of water.
In this embodiment, the coupling agents are preferably a KH570 silane coupling agent and a KH792 silane coupling agent.
In this embodiment, preferably, the curing agent is a hexamethylene diamine adduct curing agent.
In this embodiment, preferably, the thickener is a diethanolamine chloride thickener.
Example 3
The utility model provides a lamination substrate, includes first wood board layer 1 and second wood board layer 2, first wood board layer 1 with be equipped with core layer 3 between the second wood board layer 2, one side of core layer 3 with the medial surface fixed connection of first wood board layer 1, the opposite side of core layer 3 with the medial surface fixed connection of second wood board layer 2, one side surface mosaic of core layer 3 has glass fiber net check cloth layer 4, another side mosaic of core layer 3 has iron wire net layer 5.
In this embodiment, preferably, the iron wire mesh layer 5 is formed by interweaving a plurality of transverse iron wires and a plurality of longitudinal iron wires, and the diameter of the iron wires is 1.5 mm.
In this embodiment, the thickness of the glass fiber mesh fabric layer 4 is preferably 1.6 mm.
A manufacturing method of a laminated substrate comprises the following specific steps:
the method comprises the following steps: processing logs, namely cutting the logs into log sections through a cutting machine according to design drawings, and cutting the log sections into wood boards through a cutting machine according to the design drawings;
step two: the wood board treatment, namely cleaning the surface of the wood board, removing impurities on the surface, placing the wood board into a drying furnace for drying treatment, heating the temperature in the drying furnace to 260 ℃, and drying the moisture in the wood board to 4.2%;
step three: core board treatment, cutting the glass fiber gridding cloth into glass fiber gridding cloth pieces according to a design drawing, cutting the wire netting into wire netting pieces according to the design drawing, and respectively installing the wire netting and the glass fiber gridding cloth pieces on the core board layer 3;
step four: gluing, namely uniformly coating adhesives on the surfaces of two sides of the core plate 3, and uniformly coating the adhesive on the surface of one side of the first wood board layer 1 and the surface of one side of the second wood board layer 2;
step five: pressing and forming, namely placing the second wood board layer 2 coated with the adhesive on the bottom surface of a pressing machine, placing the core board 3 coated with the adhesive on two sides on the upper surface of the second wood board layer 2, placing the first wood board layer 1 on the upper surface of the core board 3, pressing by the pressing machine under the pressure of 5MPa, heating to 60 ℃, then carrying out hot pressing, and cooling to form the base material;
step six: and (4) trimming the base material, and performing burr removing treatment on the molded base material.
In this embodiment, preferably, the cutting speed of the cutting machine is 500 rpm, and the drying time of the wood board is 22 minutes.
In this embodiment, preferably, the pressing machine performs cold pressing for 60 minutes, and the hot pressing for 40 minutes.
In this embodiment, preferably, the adhesive comprises the following components in parts by weight: 40 parts of phenolic resin, 20 parts of epoxy resin, 14 parts of epoxy chloropropane, 12 parts of sodium hydroxide, 6 parts of coupling agent, 4 parts of thickening agent, 10 parts of curing agent and the balance of water.
In this embodiment, the coupling agents are preferably a KH560 silane coupling agent and a KH570 silane coupling agent.
In this embodiment, the curing agent is preferably trimethyl hexamethylene diamine.
In this embodiment, preferably, the thickener is a sodium sulfate thickener.
Detecting the bonding strength of the plywood according to a 4.15 II type plywood detection method in the national standard GB/T17657-1999; and placing the test piece into hot water with the temperature of 63 +/-3 ℃ for soaking for 3h, taking out the test piece, cooling the test piece for 10min at room temperature, and detecting the wet bonding strength of the test piece.
Bonding strength Wet bond strength
Comparative example 110.88 1.44
Example 1 120.12 1.54
Example 2 122.45 1.61
Example 3 124.66 1.76
The working principle and the using process of the invention are as follows:
be favorable to the installation of glass fiber net check cloth layer 4 and wire netting layer 5 through core plate layer 3, glass fiber net check cloth layer 4 has good alkali resistance, pliability and the high stretching resistance of longitude and latitude direction, has better toughness through wire netting layer 5, and anti crushing strength, intensity is higher, is difficult for being destroyed, through step two: the wood board treatment is beneficial to cleaning the surface of the wood board and removing water in the wood board, and the method comprises the following steps: the core board treatment is favorable for the installation of glass fiber gridding cloth and iron wire netting, and the method comprises the following four steps: the gluing treatment is beneficial to uniformly coating the adhesive on the plate, and the method comprises the following steps: the compression molding is beneficial to improving the structural strength among the wood boards and improving the toughness of the base material.
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 (10)

1. A layered substrate, comprising: including first plank layer (1) and second plank layer (2), first plank layer (1) with be equipped with core layer (3) between second plank layer (2), one side of core layer (3) with the medial surface fixed connection of first plank layer (1), the opposite side of core layer (3) with the medial surface fixed connection of second plank layer (2), one side surface inlay of core layer (3) has glass fiber net check cloth layer (4), the another side of core layer (3) is inlayed and is had wire mesh layer (5).
2. A layered substrate according to claim 1, wherein: the iron wire mesh layer (5) is formed by interweaving a plurality of transverse iron wires and a plurality of longitudinal iron wires, and the diameter of each iron wire is 1-1.5 mm.
3. A layered substrate according to claim 1, wherein: the thickness of the glass fiber gridding cloth layer (4) is 1.2-1.6 mm.
4. A method of making a layered substrate, comprising: the specific steps are as follows:
the method comprises the following steps: processing logs, namely cutting the logs into log sections through a cutting machine according to design drawings, and cutting the log sections into wood boards through a cutting machine according to the design drawings;
step two: wood board treatment, namely cleaning the surface of the wood board, removing impurities on the surface, placing the wood board into a drying furnace for drying treatment, heating the temperature in the drying furnace to 200-260 ℃, and drying the moisture in the wood board to 3.3-4.2%;
step three: core board treatment, cutting the glass fiber gridding cloth into glass fiber gridding cloth pieces according to a design drawing, cutting the wire netting into wire netting pieces according to the design drawing, and respectively installing the wire netting and the glass fiber gridding cloth pieces on a core board layer (3);
step four: gluing, namely uniformly coating adhesives on the surfaces of two sides of the core board (3), and uniformly coating the adhesive on the surface of one side of the first wood board layer (1) and the surface of one side of the second wood board layer (2);
step five: pressing and forming, namely placing the second wood board layer (2) coated with the adhesive on the bottom surface of a pressing machine, placing the core board (3) coated with the adhesive on two sides on the upper surface of the second wood board layer (2), placing the first wood board layer (1) on the upper surface of the core board (3), pressing by the pressing machine under the pressure of 2-5MPa, heating to 40-60 ℃, then carrying out hot pressing, and cooling and then forming the base material;
step six: and (4) trimming the base material, and performing burr removing treatment on the molded base material.
5. A layered substrate and method of making the same as in claim 4 wherein: the cutting speed of the cutting machine is 400-500 rpm, and the drying time of the wood board is 18-22 minutes.
6. A method of manufacturing a layered substrate according to claim 4, wherein: the pressing machine performs cold pressing for 40-60 minutes, and the hot pressing is performed for 30-40 minutes.
7. A method of manufacturing a layered substrate according to claim 4, wherein: the adhesive comprises the following components in parts by weight: 30-40 parts of phenolic resin, 16-20 parts of epoxy resin, 10-14 parts of epoxy chloropropane, 8-12 parts of sodium hydroxide, 2-6 parts of coupling agent, 2-4 parts of thickening agent, 8-10 parts of curing agent and the balance of water.
8. A method of manufacturing a layered substrate according to claim 7, wherein: the coupling agent is one or more of KH550 silane coupling agent, KH560 silane coupling agent, KH570 silane coupling agent and KH792 silane coupling agent.
9. A method of manufacturing a layered substrate according to claim 7, wherein: the curing agent is one of a diethylaminopropylamine curing agent, a hexamethylenediamine adduct curing agent and a trimethylhexamethylenediamine curing agent.
10. A method of manufacturing a layered substrate according to claim 7, wherein: the thickener is one of monoethanolamine chloride thickener, diethanolamine chloride thickener and sodium sulfate thickener.
CN202011547798.3A 2020-12-24 2020-12-24 Laminated substrate and manufacturing method thereof Pending CN112693187A (en)

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CN202011547798.3A CN112693187A (en) 2020-12-24 2020-12-24 Laminated substrate and manufacturing method thereof

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CN202011547798.3A CN112693187A (en) 2020-12-24 2020-12-24 Laminated substrate and manufacturing method thereof

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200995427Y (en) * 2007-01-12 2007-12-26 郭泽和 High-strength caseboard of rotation case
CN101642971A (en) * 2009-09-08 2010-02-10 夏卫东 Grid composite plate and manufacture method thereof
CN102536069A (en) * 2012-01-31 2012-07-04 杨长江 American mould pressing fire door
CN106738111A (en) * 2017-01-24 2017-05-31 曾世涛 A kind of counter-bending glued board and its manufacture method
CN111361240A (en) * 2020-02-28 2020-07-03 新沂市甜浩木业有限公司 Anticorrosive flame-retardant plywood and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200995427Y (en) * 2007-01-12 2007-12-26 郭泽和 High-strength caseboard of rotation case
CN101642971A (en) * 2009-09-08 2010-02-10 夏卫东 Grid composite plate and manufacture method thereof
CN102536069A (en) * 2012-01-31 2012-07-04 杨长江 American mould pressing fire door
CN106738111A (en) * 2017-01-24 2017-05-31 曾世涛 A kind of counter-bending glued board and its manufacture method
CN111361240A (en) * 2020-02-28 2020-07-03 新沂市甜浩木业有限公司 Anticorrosive flame-retardant plywood and manufacturing method thereof

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Application publication date: 20210423