CN115476419A - Fire-retardant solid wood composite floor and production method thereof - Google Patents

Fire-retardant solid wood composite floor and production method thereof Download PDF

Info

Publication number
CN115476419A
CN115476419A CN202211050784.XA CN202211050784A CN115476419A CN 115476419 A CN115476419 A CN 115476419A CN 202211050784 A CN202211050784 A CN 202211050784A CN 115476419 A CN115476419 A CN 115476419A
Authority
CN
China
Prior art keywords
retardant
flame
parts
composite floor
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211050784.XA
Other languages
Chinese (zh)
Inventor
郭广超
刘元强
叶交友
沈娟霞
罗来朋
孙文举
刘维
田雪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dehua TB New Decoration MaterialsCo Ltd
Original Assignee
Dehua TB New Decoration MaterialsCo Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dehua TB New Decoration MaterialsCo Ltd filed Critical Dehua TB New Decoration MaterialsCo Ltd
Priority to CN202211050784.XA priority Critical patent/CN115476419A/en
Publication of CN115476419A publication Critical patent/CN115476419A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
    • 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
    • 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
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/0207—Pretreatment of wood before impregnation
    • B27K3/0214—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/0228—Spraying apparatus, e.g. tunnels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/163—Compounds of boron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/166—Compounds of phosphorus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/16—Inorganic impregnating agents
    • B27K3/32—Mixtures of different inorganic impregnating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/04—Combined bleaching or impregnating and drying of wood
    • 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
    • B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
    • 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
    • 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
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling 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
    • 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
    • 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
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E04F15/045—Layered panels only of wood
    • E04F15/046—Plywood 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
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K2240/00—Purpose of the treatment
    • B27K2240/30—Fireproofing
    • 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
    • B32B2255/08—Coating on the layer surface on wood 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • 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
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire

Landscapes

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

Abstract

The invention relates to the technical field of manufacturing of flame-retardant floors, in particular to a flame-retardant solid wood composite floor and a production method thereof. A fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint. The flame-retardant solid wood composite floor provided by the invention can reduce the waste of the flame retardant, save the cost and improve the production efficiency and the flame retardant property of the solid wood composite floor.

Description

Fire-retardant solid wood composite floor and production method thereof
Technical Field
The invention relates to the technical field of manufacturing of flame-retardant floors, in particular to a flame-retardant solid wood composite floor and a production method thereof.
Background
At present, the main manufacturing method of the flame-retardant solid wood composite floor is that firstly, inorganic flame-retardant glue is adopted to prepare a floor base material, then veneer veneering is carried out, and finally, flame-retardant paint is adopted to veneer, so that the preparation method is single, the flame-retardant performance is not stable enough, and the influence factors of the hindered fuel paint are large. And the other flame-retardant floors on the market mainly adopt inorganic materials or adopt flame-retardant plastics as surface layer materials, so that the advantages of wood texture and adjustable temperature are lost. Therefore, a fire-retardant solid wood composite floor needs to be designed, the natural texture and the texture of wood are kept, the fire resistance of the fire-retardant floor is improved and stabilized, a production process corresponding to the fire-retardant solid wood composite floor is provided, and the production efficiency of the fire-retardant floor is improved.
The Chinese patent with publication number CN104760106A provides a production method of a flame-retardant low-aldehyde solid wood composite floor, which is characterized in that the production process of the flame-retardant low-aldehyde solid wood composite floor comprises four processes: the preparation process of the modified urea-formaldehyde resin, the synthesis process of the flame retardant, namely the phosphorus polyurethane, the glue mixing process and the hot plate process. The formaldehyde residual quantity of the flame-retardant low-formaldehyde solid wood composite floor is less than 0.3mg/L, the adopted phosphorus polyurethane flame retardant has good flame-retardant effect, no toxic gas is released during flame retardance, and the environment is protected. The invention mainly realizes the flame retardance of the floor by coating the flame-retardant low-formaldehyde resin adhesive on the single surface of the back plate.
Chinese patent with publication number CN109291198a discloses a low TVOC flame-retardant solid wood composite floor and processing technology, including panel (1), panel (1) top coating has flame-retardant paint layer (2), and panel (1) bottom has connected gradually third base plate (4) and second base plate (5) through first flame-retardant adhesive layer (3), and second base plate (5) bottom is connected with plywood group through second flame-retardant adhesive layer (6), plywood group includes by last first base plate (7) that connect gradually down, bonds each other through adhesive (8) between adjacent first base plate (7). According to the invention, the flame-retardant adhesive is used as the adhesive among the panel, the third substrate and the second substrate, so that the critical heat radiation flux of the floor can be effectively increased, and the overall flame-retardant effect of the floor is improved.
Disclosure of Invention
The invention mainly solves the problems of maintaining the woody texture and natural texture of the fire-retardant floor, improving the fire resistance of the fire-retardant floor, optimizing the production process of the fire-retardant floor and improving the production efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing a flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint.
Preferably, in the above technical solution, the method for manufacturing the panel layer includes the steps of:
1) Adding the flame retardant into water, and uniformly mixing to prepare a flame retardant solution for spraying, wherein the flame retardant solution for spraying is 25 to 30wt%;
the flame retardant comprises the following components in parts by mass: 10 to 15 parts of ammonium polyphosphate, 10 to 15 parts of monoammonium phosphate, 3~4 parts of boric acid, 0~1 parts of borax, 3~4 parts of ammonium paramolybdate;
2) Spraying the veneer by using the flame retardant solution for spraying;
3) Draining and/or blow-drying the sprayed veneer;
4) And sending the drained and/or dried veneer into a dryer for drying, and controlling the water content to be 5-10wt% to obtain the veneer absorbing the flame retardant.
Preferably, in step 2) of the method for manufacturing the panel layer, the spraying method is that the spray head moves back and forth relative to the single plate; the spraying process parameters are that the moving speed of the spraying pipeline is 0.1 to 0.3m/s, and the spraying time is 60 to 240s.
Preferably, in the above technical solution, the method for preparing the composite substrate layer includes the steps of:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm eating and the like as a raw material, and controlling the water content to 15-20wt% through drying;
s2, coating the eucalyptus veneer with flame-retardant glue in a roller coating manner, wherein the glue application amount of a single side is 200~250g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: 8 to 10 parts of ammonium polyphosphate, 3236 parts of pentaerythritol, 5262 parts of zinc aluminate, 5262 parts of zxft, 8 to 10 parts of aluminum hydroxide and 3763 parts of kaolin.
S3, standing the base material plate blank for 30 to 50min, putting the base material plate blank into a cold press for cold pressing, and putting the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.0 to 1.2MPa, and the time is 1.5 to 2h;
the hot pressing process parameters are as follows: the unit pressure is 1.0 to 1.2MPa, the time is 20 to 30min, and the temperature is 115 to 120 ℃.
And S4, carrying out curing, edge cutting and sanding treatment on the hot-pressed base material plate blank to obtain the composite base material layer.
Another object of the present invention is to provide a method for producing a fire-retardant solid wood composite floor.
The production method of the fire-retardant solid wood composite floor comprises the following steps:
1) The base material bottom layer pasting and surface pasting process comprises the following steps: the base material layer, the panel layer and the bottom plate layer are glued by adopting flame-retardant glue, and the single-side glue application amount is 100-150g/m 2 Obtaining a composite floor slab;
2) Performing cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.0 to 1.2MPa, and the time is 40 to 50min;
the hot pressing process parameters are as follows: the unit pressure is 1.0 to 1.2MPa, the time is 5 to 10min, and the temperature is 110 to 120 ℃;
3) Carrying out processes such as repairing, curing, stripping, grooving and the like on the hot-pressed composite floor slab;
4) Painting the grooved composite floor slab with flame-retardant paint by roller;
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
Preferably, in the production method of the flame-retardant solid wood composite floor, the flame-retardant glue is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: 8 to 10 parts of ammonium polyphosphate, 3236 parts of pentaerythritol, 5262 parts of zinc aluminate, 5262 parts of zxft, 8 to 10 parts of aluminum hydroxide and 3763 parts of kaolin.
Preferably, the flame-retardant paint comprises, by weight, 10 to 15 parts of ammonium polyphosphate and 5~8 parts of pentaerythritol.
According to the technical scheme, the ammonium polyphosphate and the pentaerythritol added into the flame-retardant paint can form a flame-retardant carbon layer in the combustion process, so that the flame-retardant performance of the flame-retardant floor is improved.
In conclusion, the invention has the following beneficial effects:
1. the flame-retardant wood composite floor adopts a mode of matching a glue layer flame-retardant method and a spraying and dipping flame-retardant method to improve and stabilize the flame-retardant performance of the flame-retardant wood composite floor, and compared with the flame-retardant floor prepared by the dipping method, the size stability of the plate is improved.
2. The flame-retardant veneer adopts the spraying and drying integrated automatic production treatment process, improves the production efficiency, ensures the veneer treatment quality, and reduces the defects of warping deformation, cracking and the like in the natural drying process of the veneer after the flame-retardant treatment.
3. The flame retardant adopted by the flame-retardant single board spraying assembly and the compound flame-retardant powder added in the adhesive adopted by the flame-retardant floor base material gluing assembly are both self-made products which are compounded and have excellent flame-retardant performance, in the compounded flame retardant, ammonium polyphosphate and monoammonium phosphate can be decomposed to generate ammonia gas to dilute air during combustion, so that the flame-retardant purpose is achieved, meanwhile, heat can be absorbed in the decomposition process to reduce the temperature, the acidic compound generated by decomposition can play a role in acidifying wood and promoting the wood to form carbon, and in addition, boric acid and borax have a flame-retardant synergistic effect, so that the flame-retardant efficiency can be improved; in the compounded flame-retardant powder, the zinc aluminate can inhibit the generation of smoke, and the kaolin serving as a phase flame-retardant component can enhance the strength of a carbon layer, and can be combined with ammonium polyphosphate and pentaerythritol to construct a better intumescent flame-retardant system.
4. The flame-retardant segmented synergistic effect in the flame-retardant solid wood composite floor provided by the invention is as follows: at the initial stage of combustion, ammonium polyphosphate and pentaerythritol in the flame-retardant paint and the paint can absorb heat and decompose to generate an expanded carbon layer; in the middle stage of combustion, the flame-retardant veneer plays a flame-retardant role, and the monoammonium phosphate and other components can acidify the wood into charcoal to prevent combustion; in the later stage of combustion, the flame-retardant substrate is charred to prevent combustion.
5. The eucalyptus veneer is treated by adopting a spraying mode, so that the waste of the flame retardant can be reduced, the cost is saved, and the production efficiency and the flame retardant property of the solid wood composite floor can be improved.
Detailed Description
The technical solutions of the present invention are further described below with specific examples, but the specific details of the examples are only for illustrating the present invention and do not represent all technical approaches under the inventive concept. Therefore, the present invention should not be construed as being limited to the general technical solutions of the present invention.
Example 1
A fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint.
The preparation method of the panel layer comprises the following steps:
1) Adding the flame retardant into water, and uniformly mixing to prepare 30wt% of flame retardant solution for spraying;
the flame retardant comprises the following components in parts by mass: 10 parts of ammonium polyphosphate, 15 parts of monoammonium phosphate, 3 parts of boric acid, 1 part of borax and 4 parts of ammonium paramolybdate;
2) Spraying the veneer by using the flame retardant solution for spraying;
3) Draining the sprayed veneer;
4) And feeding the drained veneer into a mesh belt type dryer for drying, wherein the water content is controlled to be 5wt%, and obtaining the veneer absorbing the flame retardant.
In the step 2) of the preparation method of the panel layer, the spraying method is that the spray head moves back and forth relative to the single plate; the spraying process parameters are that the moving speed of the spraying pipeline is 0.3m/s, and the spraying time is 240s.
The preparation method of the composite base material layer comprises the following steps:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm damage and the like as a raw material, and drying the water content to 17wt%;
s2, coating the eucalyptus veneer with flame-retardant glue in a roller coating manner by using a glue spreader in a roller gluing mode, wherein the single-side glue application amount is 220g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 10 parts of ammonium polyphosphate, 5 parts of pentaerythritol, 3 parts of zinc aluminate, 8 parts of aluminum hydroxide and 5 parts of kaolin.
S3, standing the base material plate blank for 40min, putting the base material plate blank into a cold press for cold pressing, and putting the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 2h;
the hot pressing process parameters are as follows: the unit pressure is 1.2MPa, the time is 30min, and the temperature is 115 ℃.
And S4, carrying out curing, edge cutting and sanding treatment on the hot-pressed base material plate blank to obtain the composite base material layer.
The production method of the fire-retardant solid wood composite floor comprises the following steps:
1) The base material bottom layer pasting and surface pasting process comprises the following steps: flame retardant is adopted among the base material layer, the panel layer and the bottom plate layerGlue is glued, and the single-side glue application amount is 120g/m 2 Obtaining a composite floor slab;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 10 parts of ammonium polyphosphate, 5 parts of pentaerythritol, 3 parts of zinc aluminate, 8 parts of aluminum hydroxide and 5 parts of kaolin.
2) Performing cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 45min;
the hot pressing process parameters are as follows: the unit pressure is 1.1MPa, the time is 8min, and the temperature is 115 ℃.
3) Carrying out processes of repairing, curing, slitting, grooving and the like on the hot-pressed composite floor slab;
4) Painting the composite floor slab with fire retardant paint in a roller painting manner to finish the composite floor slab;
the flame-retardant paint comprises, by weight, 10 parts of ammonium polyphosphate and 5 parts of pentaerythritol.
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
Example 2
A fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint.
The preparation method of the panel layer comprises the following steps:
1) Adding the flame retardant into water, and uniformly mixing to obtain 25wt% of flame retardant solution for spraying;
the flame retardant comprises the following components in parts by mass: 15 parts of ammonium polyphosphate, 10 parts of monoammonium phosphate, 4 parts of boric acid, 0.5 part of borax and 3 parts of ammonium paramolybdate;
2) Spraying the veneer by using the flame retardant solution for spraying;
3) Draining the sprayed veneer;
4) And feeding the drained veneer into a mesh belt type dryer for drying, wherein the water content is controlled to be 10wt%, and obtaining the veneer absorbing the flame retardant.
In the step 2) of the preparation method of the panel layer, the spraying method is that the spray head moves back and forth relative to the single plate; the spraying process parameters are that the moving speed of the spraying pipeline is 0.1m/s, and the spraying time is 60s.
The preparation method of the composite base material layer comprises the following steps:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm damage and the like as a raw material, and drying the water content to 15wt%;
s2, coating the eucalyptus veneer with flame-retardant glue by roller coating in a roller gluing mode through a glue spreader, wherein the single-side glue application amount is 200g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 8 parts of ammonium polyphosphate, 4 parts of pentaerythritol, 4 parts of zinc aluminate, 10 parts of aluminum hydroxide and 6 parts of kaolin.
S3, standing the base material plate blank for 30min, then placing the base material plate blank into a cold press for cold pressing, and placing the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.0MPa, and the time is 1.5h;
the hot pressing process parameters are as follows: the unit pressure is 1.1MPa, the time is 20min, and the temperature is 120 ℃.
And S4, carrying out curing, edge cutting and sanding treatment on the hot-pressed base material plate blank to obtain the composite base material layer.
The production method of the fire-retardant solid wood composite floor comprises the following steps:
1) Substrate stickerBottom layer and veneering process: the base material layer, the panel layer and the bottom plate layer are glued by adopting flame-retardant glue, and the single-side glue application amount is 100g/m 2 Obtaining a composite floor slab;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 8 parts of ammonium polyphosphate, 4 parts of pentaerythritol, 4 parts of zinc aluminate, 10 parts of aluminum hydroxide and 6 parts of kaolin.
2) Cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.0MPa, and the time is 40min;
the hot pressing process parameters are as follows: the unit pressure is 1.2MPa, the time is 10min, and the temperature is 120 ℃.
3) Carrying out processes of repairing, curing, slitting, grooving and the like on the hot-pressed composite floor slab;
4) Painting the grooved composite floor slab with flame-retardant paint by roller;
the flame-retardant paint comprises, by weight, 15 parts of ammonium polyphosphate and 8 parts of pentaerythritol.
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
Example 3
A fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint.
The preparation method of the panel layer comprises the following steps:
1) Adding the flame retardant into water, and uniformly mixing to prepare 28wt% flame retardant solution for spraying;
the flame retardant comprises the following components in parts by mass: 12 parts of ammonium polyphosphate, 13 parts of monoammonium phosphate, 3.5 parts of boric acid, 1 part of borax and 3.5 parts of ammonium paramolybdate;
2) Spraying the veneer by using the flame retardant solution for spraying;
3) Draining the sprayed veneer;
4) And feeding the drained veneer into a mesh belt type dryer for drying, wherein the water content is controlled to be 7wt%, and obtaining the veneer absorbing the flame retardant.
In the step 2) of the preparation method of the panel layer, the spraying method is that the spray head moves back and forth relative to the single plate; the spraying process parameters are that the moving speed of the spraying pipeline is 0.2m/s, and the spraying time is 120s.
The preparation method of the composite base material layer comprises the following steps:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm damage and the like as a raw material, and drying the water content to 20wt%;
s2, coating the eucalyptus veneer with flame-retardant glue in a roller coating manner by using a glue spreader in a roller gluing mode, wherein the single-side glue application amount is 250g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 9 parts of ammonium polyphosphate, 8 parts of pentaerythritol, 5 parts of zinc aluminate, 9 parts of aluminum hydroxide and 5 parts of kaolin.
S3, standing the base material plate blank for 50min, putting the base material plate blank into a cold press for cold pressing, and putting the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.2MPa, and the time is 1.5h;
the hot pressing process parameters are as follows: the unit pressure is 1.0MPa, the time is 25min, and the temperature is 118 ℃.
And S4, carrying out curing, edge cutting and sanding treatment on the hot-pressed base material plate blank to obtain the composite base material layer.
The production method of the fire-retardant solid wood composite floor comprises the following steps:
1) The base material bottom layer pasting and surface pasting process comprises the following steps: the base material layer, the panel layer and the bottom plate layer are glued by adopting flame-retardant glue, and the single-side glue application amount is 120g/m 2 Obtaining a composite floor slab;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 9 parts of ammonium polyphosphate, 8 parts of pentaerythritol, 5 parts of zinc aluminate, 9 parts of aluminum hydroxide and 5 parts of kaolin.
2) Cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.2MPa, and the time is 50min;
the hot pressing process parameters are as follows: the unit pressure is 1.0MPa, the time is 5min, and the temperature is 110 ℃.
3) Carrying out processes of repairing, curing, slitting, grooving and the like on the hot-pressed composite floor slab;
4) Painting the grooved composite floor slab with flame-retardant paint by roller;
the flame-retardant paint comprises, by weight, 12 parts of ammonium polyphosphate and 6 parts of pentaerythritol.
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
Example 4
A fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint.
The preparation method of the panel layer comprises the following steps:
1) Adding the flame retardant into water, and uniformly mixing to obtain 26wt% of flame retardant solution for spraying;
the flame retardant comprises the following components in parts by mass: 14 parts of ammonium polyphosphate, 11 parts of monoammonium phosphate, 3 parts of boric acid, 0.8 part of borax and 3 parts of ammonium paramolybdate;
2) Spraying the veneer by using the flame retardant solution for spraying;
3) Draining the sprayed veneer;
4) And feeding the drained veneer into a mesh belt type dryer for drying, wherein the water content is controlled to be 9wt%, and obtaining the veneer absorbing the flame retardant.
In the step 2) of the preparation method of the panel layer, the spraying method is that the spray head moves back and forth relative to the single plate; the spraying process parameters are that the moving speed of the spraying pipeline is 0.1m/s, and the spraying time is 180s.
The preparation method of the composite base material layer comprises the following steps:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm damage and the like as a raw material, and drying the water content to 15wt%;
s2, coating the eucalyptus veneer with flame-retardant glue in a roller coating manner by using a glue spreader in a roller gluing mode, wherein the single-side glue application amount is 235g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 8 parts of ammonium polyphosphate, 6 parts of pentaerythritol, 4 parts of zinc aluminate, 8 parts of aluminum hydroxide and 6 parts of kaolin.
S3, standing the base material plate blank for 45min, putting the base material plate blank into a cold press for cold pressing, and putting the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 2h;
the hot pressing process parameters are as follows: the unit pressure is 1.1MPa, the time is 23min, and the temperature is 116 ℃.
And S4, carrying out curing, edge cutting and sanding treatment on the base material plate blank subjected to hot pressing to obtain the composite base material layer.
The production method of the fire-retardant solid wood composite floor comprises the following steps:
1) The base material bottom layer pasting and surface pasting process comprises the following steps: the base material layer, the panel layer and the bottom plate layer are glued by adopting flame-retardant glue, and the single-side glue application amount is 150g/m 2 Obtaining a composite floor slab;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 8 parts of ammonium polyphosphate, 6 parts of pentaerythritol, 4 parts of zinc aluminate, 8 parts of aluminum hydroxide and 6 parts of kaolin.
2) Cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 48min;
the hot pressing process parameters are as follows: the unit pressure is 1.2MPa, the time is 7min, and the temperature is 118 ℃.
3) Carrying out processes of repairing, curing, slitting, grooving and the like on the hot-pressed composite floor slab;
4) Painting the composite floor slab with fire retardant paint in a roller painting manner to finish the composite floor slab;
the flame-retardant paint comprises, by weight, 14 parts of ammonium polyphosphate and 7 parts of pentaerythritol.
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
Comparative example 1
A fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer, and the surface of the panel layer is also provided with a coating layer formed by flame-retardant paint.
The preparation method of the composite base material layer comprises the following steps:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm damage and the like as a raw material, and drying the water content to 17wt%;
s2, coating the eucalyptus veneer with flame-retardant glue in a roller coating manner by using a glue spreader in a roller gluing mode, wherein the single-side glue application amount is 220g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 10 parts of ammonium polyphosphate, 5 parts of pentaerythritol, 3 parts of zinc aluminate, 8 parts of aluminum hydroxide and 5 parts of kaolin.
S3, standing the base material plate blank for 40min, putting the base material plate blank into a cold press for cold pressing, and putting the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 2h;
the hot pressing process parameters are as follows: the unit pressure is 1.2MPa, the time is 30min, and the temperature is 115 ℃.
And S4, carrying out curing, edge cutting and sanding treatment on the hot-pressed base material plate blank to obtain the composite base material layer.
The production method of the fire-retardant solid wood composite floor comprises the following steps:
1) The base material bottom layer pasting and surface pasting process comprises the following steps: the base material layer, the panel layer and the bottom plate layer are glued by adopting flame-retardant glue, and the single-side glue application amount is 120g/m 2 Obtaining a composite floor slab;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 10 parts of ammonium polyphosphate, 5 parts of pentaerythritol, 3 parts of zinc aluminate, 8 parts of aluminum hydroxide and 5 parts of kaolin.
2) Cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 45min;
the hot pressing process parameters are as follows: the unit pressure is 1.1MPa, the time is 8min, and the temperature is 115 ℃.
3) Carrying out processes such as repairing, curing, stripping, grooving and the like on the hot-pressed composite floor slab;
4) Painting the grooved composite floor slab with flame-retardant paint by roller;
the flame-retardant paint comprises, by weight, 10 parts of ammonium polyphosphate and 5 parts of pentaerythritol.
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
Comparative example 2
A fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint.
The preparation method of the panel layer comprises the following steps:
1) Adding the flame retardant into water, and uniformly mixing to prepare 30wt% of flame retardant solution for spraying;
the flame retardant comprises the following components in parts by mass: 10 parts of ammonium polyphosphate, 15 parts of monoammonium phosphate, 3 parts of boric acid, 1 part of borax and 4 parts of ammonium paramolybdate;
2) Spraying the veneer by using the flame retardant solution for spraying;
3) Draining the sprayed veneer;
4) And feeding the drained veneer into a mesh belt type dryer for drying, wherein the water content is controlled to be 5wt%, and obtaining the veneer absorbing the flame retardant.
In the step 2) of the preparation method of the panel layer, the spraying method is that the spray head moves back and forth relative to the single plate; the spraying process parameters are that the moving speed of the spraying pipeline is 0.3m/s, and the spraying time is 240s.
The preparation method of the composite base material layer comprises the following steps:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm damage and the like as a raw material, and drying the water content to 17wt%;
s2, coating the eucalyptus veneer with flame-retardant glue in a roller coating manner by using a glue spreader in a roller gluing mode, wherein the single-side glue application amount is 220g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
the flame-retardant adhesive is melamine adhesive.
S3, standing the base material plate blank for 40min, putting the base material plate blank into a cold press for cold pressing, and putting the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 2h;
the hot pressing process parameters are as follows: the unit pressure is 1.2MPa, the time is 30min, and the temperature is 115 ℃.
And S4, carrying out curing, edge cutting and sanding treatment on the hot-pressed base material plate blank to obtain the composite base material layer.
The production method of the fire-retardant solid wood composite floor comprises the following steps:
1) The base material bottom layer pasting and surface pasting process comprises the following steps: the base material layer, the panel layer and the bottom plate layer are glued by adopting flame-retardant glue, and the single-side glue application amount is 120g/m 2 Obtaining a composite floor slab;
the flame-retardant adhesive is melamine adhesive.
2) Cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 45min;
the hot pressing process parameters are as follows: the unit pressure is 1.1MPa, the time is 8min, and the temperature is 115 ℃.
3) Carrying out processes of repairing, curing, slitting, grooving and the like on the hot-pressed composite floor slab;
4) Painting the composite floor slab with fire retardant paint in a roller painting manner to finish the composite floor slab;
the flame-retardant paint comprises, by weight, 10 parts of ammonium polyphosphate and 5 parts of pentaerythritol.
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
Comparative example 3
A fire-retardant solid wood composite floor comprises a substrate layer, a panel layer arranged on one side of the substrate layer and a bottom plate layer arranged on the other side of the substrate layer, wherein the layers are glued through fire-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing a flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint.
The preparation method of the panel layer comprises the following steps:
1) Adding the flame retardant into water, and uniformly mixing to prepare a 30wt% flame retardant solution;
the flame retardant comprises the following components in parts by mass: 10 parts of ammonium polyphosphate, 15 parts of monoammonium phosphate, 3 parts of boric acid, 1 part of borax and 4 parts of ammonium paramolybdate;
2) Dipping the veneer by using the flame retardant solution;
3) Draining the impregnated veneer;
4) And feeding the drained veneer into a mesh belt type dryer for drying, wherein the water content is controlled to be 5wt%, and obtaining the veneer absorbing the flame retardant.
In step 2) of the preparation method of the panel layer, the impregnation process parameters are as follows: the concentration of the impregnation liquid is 10%, the impregnation time is 12h, the impregnation temperature is 20 ℃, and the impregnation mode is normal pressure impregnation.
The preparation method of the composite base material layer comprises the following steps:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm damage and the like as a raw material, and drying the water content to 17wt%;
s2, coating the eucalyptus veneer with flame-retardant glue in a roller coating manner by using a glue spreader in a roller gluing mode, wherein the single-side glue application amount is 220g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 10 parts of ammonium polyphosphate, 5 parts of pentaerythritol, 3 parts of zinc aluminate, 8 parts of aluminum hydroxide and 5 parts of kaolin.
S3, standing the base material plate blank for 40min, putting the base material plate blank into a cold press for cold pressing, and putting the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 2h;
the hot pressing process parameters are as follows: the unit pressure is 1.2MPa, the time is 30min, and the temperature is 115 ℃.
And S4, carrying out curing, edge cutting and sanding treatment on the base material plate blank subjected to hot pressing to obtain the composite base material layer.
The production method of the fire-retardant solid wood composite floor comprises the following steps:
1) The base material bottom layer pasting and surface pasting process comprises the following steps: the base material layer, the panel layer and the bottom plate layer are glued by adopting flame-retardant glue, and the single-side glue application amount is 120g/m 2 Obtaining a composite floor slab;
the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: the coating comprises, by weight, 10 parts of ammonium polyphosphate, 5 parts of pentaerythritol, 3 parts of zinc aluminate, 8 parts of aluminum hydroxide and 5 parts of kaolin.
2) Cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
the cold pressing process parameters are as follows: the unit pressure is 1.1MPa, and the time is 45min;
the hot pressing process parameters are as follows: the unit pressure is 1.1MPa, the time is 8min, and the temperature is 115 ℃.
3) Carrying out processes of repairing, curing, slitting, grooving and the like on the hot-pressed composite floor slab;
4) Painting the grooved composite floor slab with flame-retardant paint by roller;
the flame-retardant paint comprises, by weight, 10 parts of ammonium polyphosphate and 5 parts of pentaerythritol.
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
Performance evaluation of examples and comparative examples:
physical and chemical properties: the physical and chemical properties of the flame-retardant solid wood composite floor are tested according to the national standard GB/T17657-1999 test method for physical and chemical properties of artificial boards and veneering artificial boards.
The flame retardant property is as follows: the oxygen index represents the flame resistance of the material, and the higher the value, the more flame resistant the material is; according to the test of national standard GB/T2406.2-2009 'determination of combustion behavior by oxygen index method for plastics'.
Figure DEST_PATH_IMAGE002

Claims (9)

1. The utility model provides a difficult wooden laminate flooring that fires, includes the substrate layer, its characterized in that: the panel layer is arranged on one side of the base material layer, the bottom plate layer is arranged on the other side of the base material layer, and the layers are glued through flame-retardant glue; the substrate layer is a composite substrate layer formed by gluing a plurality of veneers through flame-retardant glue; the bottom plate layer is a single plate; the panel layer is a veneer absorbing a flame retardant, and the surface of the panel layer is also provided with a coating layer formed by flame retardant paint.
2. The fire-retardant solid wood composite floor as claimed in claim 1, wherein: the preparation method of the panel layer comprises the following steps:
1) Adding the flame retardant into water, and uniformly mixing to prepare a flame retardant solution for spraying, wherein the flame retardant solution for spraying is 25 to 30wt%; the flame retardant comprises the following components in parts by mass: 10-15 parts of ammonium polyphosphate, 10-15 parts of monoammonium phosphate, 3~4 parts of boric acid, 0~1 parts of borax, and 3~4 parts of ammonium paramolybdate;
2) Spraying the veneer by using the flame retardant solution for spraying;
3) Draining and/or blow-drying the sprayed veneer;
4) And feeding the drained and/or blow-dried veneer into a dryer for drying, wherein the water content is controlled to be 5-10 wt%, and obtaining the veneer absorbing the flame retardant.
3. The fire-retardant solid wood composite floor as claimed in claim 2, wherein: in the step 2) of the preparation method of the panel layer, the spraying method is that the spray head moves back and forth relative to the single plate; the spraying process parameters are that the moving speed of the spraying pipeline is 0.1 to 0.3m/s, and the spraying time is 60 to 240s.
4. The fire-retardant solid wood composite floor as claimed in claim 1, wherein the preparation method of the composite substrate layer comprises the following steps:
s1, selecting a eucalyptus veneer without defects such as scabbing, worm eating and the like as a raw material, and controlling the water content to 15-20wt% through drying;
s2, coating the eucalyptus veneer with flame-retardant glue in a roller coating mode, wherein the single-side glue application amount is 200-250g/m 2 Then assembling in a criss-cross mode to obtain a base material plate blank;
s3, standing the base material plate blank for 30 to 50min, putting the base material plate blank into a cold press for cold pressing, and putting the base material plate blank into a hot press for hot pressing after the cold pressing is finished;
and S4, carrying out curing, edge cutting and sanding treatment on the hot-pressed base material plate blank to obtain the composite base material layer.
5. The fire-resistant solid wood composite floor as claimed in claim 4, wherein: in the step S3 of the preparation method of the composite base material layer, cold pressing process parameters are as follows: the unit pressure is 1.0 to 1.2MPa, and the time is 1.5 to 2h; hot pressing technological parameters: the unit pressure is 1.0 to 1.2MPa, the time is 20 to 30min, and the temperature is 115 to 120 ℃.
6. The fire-retardant solid wood composite floor as claimed in claim 4, wherein: the flame-retardant adhesive in the preparation method of the composite base material layer is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: 8 to 10 parts of ammonium polyphosphate, 3236 parts of pentaerythritol, 5262 parts of zinc aluminate, 5262 parts of zxft, 8 to 10 parts of aluminum hydroxide and 3763 parts of kaolin.
7. The method for producing a fire-resistant solid wood composite floor according to any one of claims 1 to 6, wherein: the method comprises the following steps:
1) The base material bottom layer pasting and surface pasting process comprises the following steps: the base material layer, the panel layer and the bottom plate layer are glued by adopting flame-retardant glue, and the single-side glue application amount is 100-150g/m 2 Obtaining a composite floor slab;
2) Cold pressing and hot pressing: putting the composite floor slab into a cold press for cold pressing, and putting the composite floor slab into a hot press for hot pressing after the cold pressing is finished;
3) Carrying out processes of repairing, curing, slitting, grooving and the like on the hot-pressed composite floor slab;
4) Painting the grooved composite floor slab with flame-retardant paint by roller;
5) And packaging and warehousing the veneered composite floor slab to obtain the flame-retardant solid wood composite floor.
8. The method for producing a fire-retardant solid wood composite floor according to claim 7, wherein: the flame-retardant adhesive is formed by mixing compound flame-retardant powder and melamine adhesive according to the mass ratio of 3: 8 to 10 parts of ammonium polyphosphate, 3236 parts of pentaerythritol, 5262 parts of zinc aluminate, 5262 parts of zxft, 8 to 10 parts of aluminum hydroxide and 3763 parts of kaolin.
9. The method for producing a fire-retardant solid wood composite floor according to claim 7, wherein: in the step 4), the flame-retardant paint comprises, by weight, 10 to 15 parts of ammonium polyphosphate and 5~8 parts of pentaerythritol.
CN202211050784.XA 2022-08-31 2022-08-31 Fire-retardant solid wood composite floor and production method thereof Pending CN115476419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211050784.XA CN115476419A (en) 2022-08-31 2022-08-31 Fire-retardant solid wood composite floor and production method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211050784.XA CN115476419A (en) 2022-08-31 2022-08-31 Fire-retardant solid wood composite floor and production method thereof

Publications (1)

Publication Number Publication Date
CN115476419A true CN115476419A (en) 2022-12-16

Family

ID=84422284

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211050784.XA Pending CN115476419A (en) 2022-08-31 2022-08-31 Fire-retardant solid wood composite floor and production method thereof

Country Status (1)

Country Link
CN (1) CN115476419A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115847557A (en) * 2023-01-30 2023-03-28 江苏亚泰船舶工程有限公司 Ship and civil environment-friendly flame-retardant solid wood furniture board and preparation process thereof

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006110965A (en) * 2004-10-13 2006-04-27 Toshihiro Nakahara Fire retardancy imparting liquid material for wood, and its manufacturing method
CN101412230A (en) * 2008-11-10 2009-04-22 德华兔宝宝装饰新材股份有限公司 Flame-retardant decorative veneer
CN101412231A (en) * 2008-11-10 2009-04-22 德华兔宝宝装饰新材股份有限公司 Method for producing flame-retardant glued board
CN102114656A (en) * 2009-12-31 2011-07-06 德华兔宝宝装饰新材股份有限公司 Manufacturing method of flame retardant solid composite floor
CN102226052A (en) * 2011-06-07 2011-10-26 天津派尔尼尔科技发展有限公司 Special fireproof paint for hard polyurethane foam (PUF) thermal insulation material and preparation method thereof
CN102627891A (en) * 2012-04-05 2012-08-08 江苏兰陵高分子材料有限公司 Aqueous ultrathin steel structure fire-retardant coating and preparation method thereof
CN103539965A (en) * 2013-10-19 2014-01-29 山东吉青化工有限公司 Efficient environment-friendly flame retardant
CN105291222A (en) * 2015-11-18 2016-02-03 广西大学 Composite flame retardant for plywood and application of plywood
CN105860783A (en) * 2016-06-08 2016-08-17 合肥市燕美粉末涂料有限公司 Heat-resistant and flame-resistant powder coating for gas-cooker body surface layer and preparing method thereof
CN106671225A (en) * 2016-12-17 2017-05-17 浦北县建业胶合板有限责任公司 Flame retardant plywood and preparation method thereof
CN108315849A (en) * 2018-03-02 2018-07-24 宁波三邦超细纤维有限公司 It is fire-retardant to wash compound ice sense fiber of bright and beautiful mica and preparation method thereof
CN111548766A (en) * 2020-03-10 2020-08-18 浙江云峰莫干山地板有限公司 Aldehyde-free flame-retardant solid wood composite floor and preparation method thereof
CN212576673U (en) * 2020-06-08 2021-02-23 连云港凯豪阻燃科技有限公司 Spray set of production fire retardant
CN113210157A (en) * 2021-05-18 2021-08-06 赵龙科 Intelligent uniform spraying device for flame retardant production and flame retardant production method
CN113733266A (en) * 2021-09-18 2021-12-03 国家林业和草原局泡桐研究开发中心 Manufacturing method of multi-layer flame-retardant fireproof board made of paulownia wood
WO2022088715A1 (en) * 2020-11-02 2022-05-05 石家庄华杰木业有限公司 Board having flame retardant surface

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006110965A (en) * 2004-10-13 2006-04-27 Toshihiro Nakahara Fire retardancy imparting liquid material for wood, and its manufacturing method
CN101412230A (en) * 2008-11-10 2009-04-22 德华兔宝宝装饰新材股份有限公司 Flame-retardant decorative veneer
CN101412231A (en) * 2008-11-10 2009-04-22 德华兔宝宝装饰新材股份有限公司 Method for producing flame-retardant glued board
CN102114656A (en) * 2009-12-31 2011-07-06 德华兔宝宝装饰新材股份有限公司 Manufacturing method of flame retardant solid composite floor
CN102226052A (en) * 2011-06-07 2011-10-26 天津派尔尼尔科技发展有限公司 Special fireproof paint for hard polyurethane foam (PUF) thermal insulation material and preparation method thereof
CN102627891A (en) * 2012-04-05 2012-08-08 江苏兰陵高分子材料有限公司 Aqueous ultrathin steel structure fire-retardant coating and preparation method thereof
CN103539965A (en) * 2013-10-19 2014-01-29 山东吉青化工有限公司 Efficient environment-friendly flame retardant
CN105291222A (en) * 2015-11-18 2016-02-03 广西大学 Composite flame retardant for plywood and application of plywood
CN105860783A (en) * 2016-06-08 2016-08-17 合肥市燕美粉末涂料有限公司 Heat-resistant and flame-resistant powder coating for gas-cooker body surface layer and preparing method thereof
CN106671225A (en) * 2016-12-17 2017-05-17 浦北县建业胶合板有限责任公司 Flame retardant plywood and preparation method thereof
CN108315849A (en) * 2018-03-02 2018-07-24 宁波三邦超细纤维有限公司 It is fire-retardant to wash compound ice sense fiber of bright and beautiful mica and preparation method thereof
CN111548766A (en) * 2020-03-10 2020-08-18 浙江云峰莫干山地板有限公司 Aldehyde-free flame-retardant solid wood composite floor and preparation method thereof
CN212576673U (en) * 2020-06-08 2021-02-23 连云港凯豪阻燃科技有限公司 Spray set of production fire retardant
WO2022088715A1 (en) * 2020-11-02 2022-05-05 石家庄华杰木业有限公司 Board having flame retardant surface
CN113210157A (en) * 2021-05-18 2021-08-06 赵龙科 Intelligent uniform spraying device for flame retardant production and flame retardant production method
CN113733266A (en) * 2021-09-18 2021-12-03 国家林业和草原局泡桐研究开发中心 Manufacturing method of multi-layer flame-retardant fireproof board made of paulownia wood

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115847557A (en) * 2023-01-30 2023-03-28 江苏亚泰船舶工程有限公司 Ship and civil environment-friendly flame-retardant solid wood furniture board and preparation process thereof
CN115847557B (en) * 2023-01-30 2023-12-19 江苏亚泰船舶工程有限公司 Ship and civil environment-friendly flame-retardant solid wood furniture board and preparation process thereof

Similar Documents

Publication Publication Date Title
CN102756404B (en) Flame-retardant decorative plate, preparation method thereof and flame-retardant material comprising flame-retardant decorative plate
CN102120331B (en) Method for manufacturing flame-retarding mothproof solid wood composite floor
CN104533252B (en) The door made by environmentally-friendly, energy-saving and fireproofing multi-layer sheet and manufacture method
CN1947967A (en) Method for producing fire-proof ply wood
CN105291222A (en) Composite flame retardant for plywood and application of plywood
CN114293402B (en) Aldehyde-free hot-pressing impregnation decorative paper and preparation method thereof
CN107379683B (en) High-pressure decorative door plate with wood base material and preparation method thereof
CN103507126A (en) Method for manufacturing environment-friendly energy-saving multi-layer solid wood fire-proof plate
CN102773891A (en) Environment-friendly, fireproof and flame retardant wood (furniture) and manufacturing method thereof
CN115476419A (en) Fire-retardant solid wood composite floor and production method thereof
CN203129898U (en) Door made of environment-friendly, energy-saving and fire-proof multilayer plate
CN111844273A (en) Multifunctional composite board with fireproof, sound-proof and anti-corrosion performances and preparation method thereof
CN102198677A (en) Preparation method of flame-retardant core-board
CN110303558A (en) A kind of preparation method of the net aldehyde glued board of sound insulation
CN113733266A (en) Manufacturing method of multi-layer flame-retardant fireproof board made of paulownia wood
CN101591862B (en) Immersion non-woven fabrics and method for producing artificial boards by coating films
CN102303336B (en) A kind of fast growing wood flame-retardant reinforced wood veneer and production method thereof
CN103522382A (en) Manufacturing method of environment-friendly, energy-saving, fire-proof and anti-theft door sheet
CN114012841B (en) Low-smoke antirust flame-retardant plywood and manufacturing method thereof
CN114311178B (en) Flame-retardant anticorrosive plywood and preparation method thereof
CN114474260B (en) Environment-friendly flame-retardant corrosion-resistant plywood and preparation method thereof
CN103692502B (en) As the manufacture method of the non-woven fabrics enhancement mode laminated veneer lumber of decoration bar section base material
CN102943557B (en) Method for manufacturing outdoor solid wood composite floor
CN110815434A (en) Mildew-proof multi-layer eucalyptus board and production method thereof
CN111086068A (en) Preparation method of high-strength anticorrosive plywood

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20221216

RJ01 Rejection of invention patent application after publication