CN115214212A - Multilayer floor with fireproof and waterproof functions and preparation method thereof - Google Patents

Multilayer floor with fireproof and waterproof functions and preparation method thereof Download PDF

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Publication number
CN115214212A
CN115214212A CN202210788593.7A CN202210788593A CN115214212A CN 115214212 A CN115214212 A CN 115214212A CN 202210788593 A CN202210788593 A CN 202210788593A CN 115214212 A CN115214212 A CN 115214212A
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stone
wood
veneer
layer
proof
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CN115214212B (en
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孙伟
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Der Future Science & Technology Holdings Group Co ltd
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Der Future Science & Technology Holdings Group Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
    • 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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—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
    • B32B27/10—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 paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/181—Insulating layers integrally formed with the flooring or the flooring elements
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber 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
    • 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
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention discloses a fireproof and waterproof multilayer floor and a preparation method thereof. According to the fireproof and waterproof multilayer floor and the preparation method thereof, the multilayer floor has the waterproof and moistureproof functions, the 24-hour water absorption thickness expansion rate is less than or equal to 4%, the fireproof function can reach A2 level, no smoke toxicity exists, the heat conduction speed is high, the heat conduction efficiency is more than or equal to 9.1 ℃/h, the moisture-proof and heat-proof dimensional stability is good, the fireproof and waterproof multilayer floor is suitable for being used in a southern humid environment and a northern geothermal environment, the production and preparation process has strong operability, and the industrial production conditions are met.

Description

Multilayer floor with fireproof and waterproof functions and preparation method thereof
Technical Field
The invention belongs to the technical field of floor preparation, and particularly relates to a fireproof and waterproof multilayer floor and a preparation method thereof.
Background
With the rapid development of economic society and the continuous improvement of national economic level, the floor is more and more favored by people due to the advantages of higher aesthetic property, stronger impact resistance and the like, and the sales amplification of the floor is obviously accelerated. The existing floor is various in types, but most of floors are wooden products, the fireproof performance is poor, fire spread is easily caused, life health and property safety of people are threatened, in addition, the floor is easy to expand and deform after absorbing moisture for a long time, and the floor is not suitable for being used in a southern humid environment and a northern geothermal environment for a long time.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide a fireproof and waterproof multilayer floor and a preparation method thereof.
In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:
the multilayer floor with the fireproof and waterproof functions comprises a surface layer, a core layer and a back plate which are sequentially arranged from top to bottom, wherein the core layer comprises an upper stone wood veneer, a core plate and a lower stone wood veneer which are sequentially arranged from top to bottom, and the core plate is made of pine veneers or multilayer eucalyptus mixed wood boards.
Furthermore, the surface layer is made of natural veneer, impregnated paper, spraying paper, a PVC film or a PP film.
Furthermore, the thickness of each of the upper and lower slate veneers is 4-5 mm.
Furthermore, the thickness of the core plate is 3-5 mm.
Further, the back plate adopts a UV coating, balance paper or a PE film.
Furthermore, the multi-layer eucalyptus miscellaneous wood board is made by selecting eucalyptus single boards with the thickness of 1.7 or 2.2mm and combining the eucalyptus single boards in a transverse and longitudinal staggered manner.
A preparation method of a multilayer floor with fireproof and waterproof functions comprises the following steps:
1) Preparing upper stone wood veneer and lower stone wood veneer
2) Preparing the core board
3) Preparing the core layer
4) And respectively pressing the surface layer and the back plate on the upper surface and the lower surface of the core layer obtained in the step 3).
Further, in step 1), the step of preparing the upper stone wood veneer and the lower stone wood veneer comprises:
according to the mass percentage, 80% -90% of inorganic mineral substances are used as main raw materials, 10% -20% of wood powder is used as auxiliary materials, E0-grade glue is used as an adhesive, and the raw materials are pressed into a stone-wood veneer with the thickness of 4-5 mm, so that an upper stone-wood veneer and a lower stone-wood veneer are obtained.
Further, in the step 2), the core board is a multi-layer eucalyptus miscellaneous wood board, and the multi-layer eucalyptus miscellaneous wood board is prepared by the following steps:
melamine modified adhesive is adopted, and the adhesive coating amount is 170-200 g/m 2 The eucalyptus veneers are glued by the melamine modified adhesive and combined in a transverse and longitudinal staggered way, prepressing is carried out for 20-35 min, then hot pressing is carried out for 8-10 min, the hot pressing temperature is 125-150 ℃, and the pressure is 8-12 kg/cm 2 Preserving health for 5-7 days for later use.
Further, in step 3), coating glue on the upper surface and the lower surface of the core plate, and coating the glueThe amount is 170-240 g/m 2 Hot pressing time is 8-15 min, temperature is 130-150 ℃, and pressure is 8-12 kg/cm 2 Preserving for 5-7 days for later use, and then respectively sticking a stone-wood veneer and a lower stone-wood veneer on the upper surface and the lower surface of the core plate.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a fireproof and waterproof multilayer floor and a preparation method thereof. According to the fireproof and waterproof multilayer floor and the preparation method thereof, the multilayer floor has the waterproof and moistureproof functions, the 24-hour water absorption thickness expansion rate is less than or equal to 4%, the fireproof function can reach A2 level, no smoke toxicity exists, the heat conduction speed is high, the heat conduction efficiency is more than or equal to 9.1 ℃/h, the moisture-proof and heat-proof dimensional stability is good, the fireproof and waterproof multilayer floor is suitable for being used in a southern humid environment and a northern geothermal environment, the production and preparation process has strong operability, and the industrial production conditions are met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a core layer in example 2 of the present invention;
fig. 3 is a schematic structural diagram of a core layer in embodiment 4 of the present invention.
Detailed Description
The present invention is described in detail below so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be clearly and clearly defined.
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
As shown in fig. 1-3, a multi-layer floor with fireproof and waterproof functions comprises a surface layer 1, a core layer 2 and a back plate 3, which are sequentially arranged from top to bottom, wherein the core layer 2 comprises an upper stone veneer 4, a core plate 5 and a lower stone veneer 6, which are sequentially arranged from top to bottom.
The surface layer 1 adopts natural veneer, impregnated paper, spray paper, PVC film or PP film. The back plate 3 employs a UV coating, a balance paper or a PE film.
The thicknesses of the upper stone wood veneer 4 and the lower stone wood veneer 6 are respectively 4-5 mm.
The thickness of the core plate 5 is 3-5 mm. The core board 5 adopts a pine veneer or a multi-layer eucalyptus mixed wood board. If the core 5 is a pine veneer, the core layer 2 includes an upper stone veneer 4, a pine veneer and a lower stone veneer 6, which are sequentially arranged from top to bottom, and the core is a three-in-one stone-wood core. If the core board 5 adopts a plurality of layers of eucalyptus mixed wood boards, the core layer 2 comprises an upper rosewood veneer 4, a plurality of layers of eucalyptus mixed wood boards and a lower rosewood veneer 6 which are sequentially arranged from top to bottom, namely the rosewood all-in-one core material, wherein the plurality of layers of eucalyptus mixed wood boards are made by combining eucalyptus veneers with the thickness of 1.7 or 2.2mm in a transverse and longitudinal staggered manner.
A preparation method of a multilayer floor with fireproof and waterproof functions comprises the following steps:
1) Preparing an upper stone-wood veneer 4 and a lower stone-wood veneer 6
According to the mass percentage, 80-90% of inorganic mineral substances are used as main raw materials, 10-20% of wood flour is used as auxiliary materials, E0-grade glue is used as an adhesive, and the wood-stone veneer with the thickness of 4-5 mm is pressed, so that the fireproof and moistureproof performances are excellent, and other values can be selected according to the dosage ratio of the wood flour to the inorganic mineral substances according to actual requirements;
2) Preparing the core plate 5
If the core board 5 adopts a multi-layer eucalyptus wood board, the preparation method of the multi-layer eucalyptus wood board comprises the following steps:
melamine modified adhesive is adopted, and the adhesive coating amount is 170-200 g/m 2 The eucalyptus veneers are glued and combined in a transversely and longitudinally staggered manner through the melamine modified adhesive, prepressing for 20-35 min, and then hot pressing is carried out for 8-10 min at the hot pressing temperature of 125-150 ℃ and the pressure of 8 ℃12kg/cm 2 Preserving health for 5-7 days for later use;
3) Preparing the core layer 2
The upper surface and the lower surface of the core plate 5 are coated with glue, the glue coating amount is 170-240 g/m 2 Hot pressing time is 8-15 min, temperature is 130-150 ℃, pressure is 8-12 kg/cm 2 Curing for 5-7 days for later use, and then respectively attaching the stone-wood veneers 4 and the lower stone-wood veneers 6 to the upper and lower surfaces of the core board 5;
4) And respectively pressing the upper surface and the lower surface of the core layer 2 obtained in the step 3) with the surface layer 1 and the back plate 3.
Example 1
As shown in fig. 1-2, a multi-layer floor with fireproof and waterproof functions comprises a surface layer 1, a core layer 2 and a back plate 3 which are sequentially arranged from top to bottom, wherein the core layer 2 comprises an upper stone-wood veneer 4, a core plate 5 and a lower stone-wood veneer 6 which are sequentially arranged from top to bottom, the core plate 5 is made of pine veneers, and the core layer 2 is a three-in-one core material made of stone and wood.
The surface layer 1 is made of natural veneer.
A preparation method of a multilayer floor with fireproof and waterproof functions comprises the following steps:
1) Preparing an upper stone-wood veneer 4 and a lower stone-wood veneer 6
According to the mass percentage, 80% -90% of inorganic mineral substances are used as main raw materials, 10% -20% of wood flour is used as auxiliary materials, E0-grade glue is used as an adhesive, and the raw materials are pressed into a stone wood veneer with the thickness of 4-5 mm, so that an upper stone wood veneer 4 and a lower stone wood veneer 6 can be obtained, and the fireproof and moistureproof performances are excellent;
2) The core plate 5 adopts a pine veneer, glue is coated on the upper surface and the lower surface of the pine veneer, and the glue coating amount is 170g/m 2 Hot pressing time is 12min, temperature is 140 ℃, and pressure is 9kg/cm 2 Preserving health for 5-7 days for later use, and then respectively sticking a stone-wood veneer 4 and a lower stone-wood veneer 6 on the upper surface and the lower surface of the pine veneer to prepare a stone-wood three-in-one core material;
3) The upper surface and the lower surface of the stone-wood three-in-one core material are sanded by a 180# abrasive belt to fix the thickness, and the upper surface and the lower surface are sanded by 0.20mm respectively;
4) The sanded stone-wood three-in-one core material is scribed on the upper plate surface, and is coated with a melamine modified adhesive in a roller way, wherein the coating weight is 90g/m 2 Pasting natural veneer; the coating amount of the lower plate surface is 110g/m 2 Sticking beech bottom plate with thickness of 0.5mm, pre-pressing for 30min, and hot-pressing at 125 deg.C for 5min under 8kg/cm 2 Making a large plate;
5) After 5-7 days of curing, cutting the large plate into pieces, sanding and fixing the thickness to obtain a blank;
6) Coating a UV primer on the lower plate surface of the blank, namely the lower plate surface of the zelkova wood bottom plate;
7) Milling, namely locking a lock, wherein the chamfer angle is 45 degrees, and the chamfer angle length is 0.4mm;
8) Coating UV finishing paint on the UV base paint;
9) Chamfering paint and sealing waterproof wax on the periphery;
10 The back of the panel face and the back of the back panel 3 is sealed by UV coating, balance paper or PE film.
Example 2
As shown in fig. 1-2, a multilayer floor with fire prevention, waterproof function, includes surface course 1, sandwich layer 2 and backplate 3 that from top to bottom set gradually, and sandwich layer 2 includes last stone timber veneer 4, core 5 and lower stone timber veneer 6 that from top to bottom set gradually, and core 5 adopts the pine veneer, and sandwich layer 2 is the trinity core of stone timber.
A preparation method of a multilayer floor with fireproof and waterproof functions comprises the following steps:
1) Preparing an upper stone-wood veneer 4 and a lower stone-wood veneer 6
According to the mass percentage, 80-90% of inorganic mineral substances are used as main raw materials, 10-20% of wood powder is used as auxiliary materials, E0-grade glue is used as an adhesive, and the stone-wood veneer with the thickness of 4-5 mm is pressed, so that the fireproof and damp-proof performance is excellent;
2) The core plate 5 adopts a pine veneer, glue is coated on the upper surface and the lower surface of the pine veneer, and the glue coating amount is 170g/m 2 Hot pressing time is 12min, temperature is 140 ℃, and pressure is 9kg/cm 2 Curing for 5-7 days for later use, and then respectively sticking stone- wood veneers 4 and 6 on the upper and lower surfaces of the pine veneers to prepare a stone-wood three-in-one core material;
3) The upper surface and the lower surface of the stone-wood three-in-one core material are sanded by a 180# abrasive belt to fix the thickness, and the upper surface and the lower surface are sanded by 0.20mm respectively;
4) Putting the sanded stone-wood three-in-one core material on balance paper, hot-pressing and pre-pressing for 5s at the temperature of 195 ℃ and the pressure of 68kg/cm 2 Paving impregnated paper or spraying paper on the surface, hot-pressing for 28s, cooling for 60min, and making into large board for 5 days;
5) Cutting the large plate into pieces to obtain a blank;
6) Milling the blank, and locking the blank by using a lock catch, wherein the chamfer angle is 45 degrees, and the chamfer angle length is 0.4mm;
7) Chamfering paint and sealing waterproof wax around.
The same as in example 1.
Example 3
As shown in fig. 1-2, a multi-layer floor with fireproof and waterproof functions comprises a surface layer 1, a core layer 2 and a back plate 3 which are sequentially arranged from top to bottom, wherein the core layer 2 comprises an upper stone-wood veneer 4, a core plate 5 and a lower stone-wood veneer 6 which are sequentially arranged from top to bottom, the core plate 5 is made of pine veneers, and the core layer 2 is a three-in-one core material made of stone and wood.
A preparation method of a multilayer floor with fireproof and waterproof functions comprises the following steps:
1) Preparing an upper stone-wood veneer 4 and a lower stone-wood veneer 6
According to the mass percentage, 80-90% of inorganic mineral substances are used as main raw materials, 10-20% of wood powder is used as auxiliary materials, E0-grade glue is used as an adhesive, and the stone-wood veneer with the thickness of 4-5 mm is pressed, so that the fireproof and damp-proof performance is excellent;
2) The core plate 5 adopts a pine veneer, glue is coated on the upper surface and the lower surface of the pine veneer, and the glue coating amount is 170g/m 2 Hot pressing time is 12min, temperature is 140 ℃, and pressure is 9kg/cm 2 Curing for 5-7 days for later use, and then respectively sticking stone- wood veneers 4 and 6 on the upper and lower surfaces of the pine veneers to prepare a stone-wood three-in-one core material;
3) The upper surface and the lower surface of the stone-wood three-in-one core material are sanded by a 180# abrasive belt to fix the thickness, and the upper surface and the lower surface are sanded by 0.20mm respectively;
4) Rolling 60g of PUR glue on the upper plate surface, coating a PVC film or a PP film, rolling, and extruding air between the film and the plate surface to enable the film to be tightly attached to the upper plate surface;
5) Cold pressing for 24h at a pressure of 8kg/cm 2 ；
6) Splitting the large plate to obtain a blank;
7) Milling the blank, and locking the blank by using a lock catch, wherein the chamfer angle is 45 degrees, and the chamfer angle length is 0.4mm;
8) Chamfering paint and sealing waterproof wax on the periphery;
9) The back of the lower plate surface is sealed, and the back plate 3 is sealed by adopting a UV coating, balance paper or a PE film and the like.
The same as in example 1.
Example 4
As shown in fig. 1 and 3, a multilayer floor with fire prevention, waterproof function, includes surface course 1, sandwich layer 2 and backplate 3 that from top to bottom set gradually, and sandwich layer 2 includes last stone timber veneer 4, core 5 and lower stone timber veneer 6 that from top to bottom set gradually, and core 5 adopts the miscellaneous plank of multilayer eucalyptus, and sandwich layer 2 is the many unifications of stone timber core.
A preparation method of a multilayer floor with fireproof and waterproof functions comprises the following steps:
1) Preparing an upper stone wood veneer 4 and a lower stone wood veneer 6
According to the mass percentage, 80-90% of inorganic mineral substances are used as main raw materials, 10-20% of wood flour is used as auxiliary materials, E0-grade glue is used as an adhesive, and the stone-wood veneer with the thickness of 4-5 mm is pressed, so that the fireproof and damp-proof performance is excellent;
2) Preparation of multilayer eucalyptus hybrid wood board
Melamine modified adhesive is adopted, and the adhesive coating amount is 170g/m 2 Gluing eucalyptus veneers by a melamine modified adhesive, combining the eucalyptus veneers in a transverse and longitudinal staggered manner, prepressing for 20min, and then carrying out hot pressing for 8min at the hot pressing temperature of 130 ℃ and under the pressure of 10kg/cm 2 Preserving health for 5 days for later use;
3) Coating glue on the upper surface and the lower surface of the multi-layer eucalyptus mixed wood board, wherein the glue coating amount is 170g/m 2 Hot pressing time of 12min, temperature of 140 deg.C, pressure of 9kg/cm 2 Preserving for 5-7 days for later use, and then respectively sticking stone wood veneers 4 and lower stone wood veneers 6 on the upper and lower surfaces of the multi-layer eucalyptus mixed wood board to prepare a stone wood all-in-one core material;
4) Sanding the upper surface and the lower surface of the stone-wood all-in-one core material by using a 180# abrasive belt to fix the thickness, wherein the upper surface and the lower surface are sanded by 0.20mm respectively;
5) Putting the sanded stone-wood all-in-one core material on balance paper, hot-pressing and pre-pressing for 5s at the temperature of 195 ℃ and the pressure of 68kg/cm 2 Paving impregnated paper or spraying paper on the surface, hot-pressing for 28s, cooling for 60min, and making into large board for 5 days;
6) Cutting the large plate into pieces to obtain a blank;
7) Milling the blank, and adopting a lock catch, wherein the chamfer angle is 45 degrees, and the chamfer angle length is 0.4mm;
8) Chamfering paint and sealing waterproof wax at the periphery.
The same as example 2.
The parts or structures of the invention not specifically described may be any parts or structures of the prior art or the prior art, and are not described herein again.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides a multilayer floor with fire prevention, waterproof function which characterized in that, includes surface course, sandwich layer and the backplate that from top to bottom sets gradually, the sandwich layer includes last stone timber veneer, core and the lower stone timber veneer that sets gradually from top to bottom, and the core adopts pine veneer or multilayer eucalyptus miscellaneous plank.
2. The multi-layered flooring with fire-proof and water-proof functions as claimed in claim 1, wherein the surface layer is made of natural veneer, impregnated paper, sprayed paper, PVC film or PP film.
3. The multi-layered floor with fireproof and waterproof functions as claimed in claim 1, wherein the upper and lower slate veneers have a thickness of 4-5 mm, respectively.
4. The multi-layered flooring with fire-proof and water-proof functions as claimed in claim 1, wherein the core has a thickness of 3 to 5mm.
5. The multi-layered flooring with fire-proof and water-proof functions as claimed in claim 1, wherein the back sheet employs a UV coating layer, a balance paper or a PE film.
6. The multi-layer floor with fireproof and waterproof functions as claimed in claim 1, wherein the multi-layer eucalyptus miscellaneous wood board is made by combining eucalyptus single boards with a thickness of 1.7 or 2.2mm in a transverse and longitudinal staggered manner.
7. The method for preparing a multi-layered flooring having fire-proof and water-proof functions as claimed in any one of claims 1 to 6, comprising the steps of:
1) Preparing upper stone wood veneer and lower stone wood veneer
2) Preparing the core board
3) Preparing the core layer
4) And respectively pressing the surface layer and the back plate on the upper surface and the lower surface of the core layer obtained in the step 3).
8. The method for manufacturing a multi-layered floor having fire-proof and water-proof functions as claimed in claim 7, wherein the step of manufacturing the upper and lower slate veneers in step 1) comprises:
according to the mass percentage, 80% -90% of inorganic mineral substances are used as main raw materials, 10% -20% of wood powder is used as auxiliary materials, E0-grade glue is used as an adhesive, and the raw materials are pressed into a stone-wood veneer with the thickness of 4-5 mm, so that an upper stone-wood veneer and a lower stone-wood veneer are obtained.
9. The method for preparing a multi-layer floor with fireproof and waterproof functions as claimed in claim 7, wherein in the step 2), the core board is made of multi-layer eucalyptus mixed wood boards, and the multi-layer eucalyptus mixed wood boards are prepared by the following steps:
melamine modified adhesive is adopted, and the adhesive coating amount is 170-200 g/m 2 The eucalyptus veneer is connected with each otherGluing with melamine modified adhesive, transverse and longitudinal staggered combination, prepressing for 20-35 min, and hot pressing at 125-150 deg.C for 8-10 min under 8-12 kg/cm 2 Preserving health for 5-7 days for later use.
10. The method for preparing a multi-layered flooring with fire-proof and water-proof functions as claimed in claim 7, wherein the glue is coated on the upper and lower surfaces of the core board in the step 3) with a coating amount of 170-240 g/m 2 Hot pressing time is 8-15 min, temperature is 130-150 ℃, pressure is 8-12 kg/cm 2 Curing for 5-7 days for later use, and then respectively sticking the stone-wood veneers and the lower stone-wood veneers on the upper surface and the lower surface of the core board.
CN202210788593.7A 2022-07-06 2022-07-06 Multi-layer floor with fireproof and waterproof functions and preparation method thereof Active CN115214212B (en)

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