CN223317476U - EB-cured polypropylene film-faced rubber wood core composite flooring - Google Patents

Abstract

The utility model belongs to the technical field of ground paving materials, and relates to an EB (ethylene-propylene) cured polypropylene film veneer rubber wood core composite floor, wherein a glue coating layer is arranged between a surface decoration layer and an improved three-layer rubber wood core solid wood composite floor substrate layer, the surface decoration layer is an EB cured polypropylene film, the thickness of the rubber wood core solid wood composite floor substrate layer is 10-18 mm, the rubber wood core solid wood composite floor substrate layer sequentially comprises a substrate surface layer, a substrate core layer and a substrate bottom layer, and is pressed into an integrated sandwich structure according to crisscross textures, wherein the substrate core layer is a rubber lignin surface finger-jointed integrated plate, and rubber wood strips are finger-jointed end-to-finger-jointed long and side-butt integrated and spliced and wide-width surface net sizes 1230-1250 mm multiplied by 1930-2440 mm, and a double-sided fixed-thickness finger-jointed integrated plate with a thickness net size 8-13 mm. The utility model has stable performance and structure, is not easy to deform, is suitable for geothermal environment, and can effectively avoid defect positions by finger joint of the base material main body and the rubber wood strip, and fully utilize wood.

Description

EB-cured polypropylene film veneer rubber wood core composite floor

Technical Field

The utility model belongs to the technical field of floor paving materials, relates to a solid wood composite floor, and particularly relates to an EB (ethylene-propylene) cured polypropylene film veneer rubber wood core composite floor.

Background

The three-layer solid wood composite floor is a three-layer structure solid wood composite floor which takes solid wood jointed boards or single boards as panels, solid wood jointed boards as a core layer and single boards as a bottom layer, and has high thickness which at least reaches more than 2mm and higher requirements on surface materials and materials.

Rubber trees (Hevea brasiliensis) are widely planted in tropical and southeast Asia in China, are important artificial forest commodity materials produced in tropical regions, and are more than 1000 ten thousand cubic meters per year due to the fact that the rubber trees are updated. The rubber wood bulk porous material has small dry shrinkage, easy processing and attractive texture, is widely used for manufacturing wooden products such as furniture, integrated material finger joint plates, toys and the like at present, and is an important artificial forest commodity material. The wood floor produced by rubber wood in the past has lower yield, so the rubber wood is less to be directly applied to the field of the wood floor, and the market is common to the rubber wood veneer laminated composite floor.

Chinese patent CN221194087U discloses a rubber wood core three-layer floor, including rubber wood finger joint material, the upper surface that rubber wood finger joint material is equipped with first net buffer layer, the upper surface of first net buffer layer is equipped with the surface course, the lower surface that rubber wood finger joint material is equipped with the second net buffer layer, the lower surface of second net buffer layer is equipped with the bottom plate, with the help of rubber wood finger joint material as the core of three-layer floor, rubber wood matter is fine and smooth, after finger joint, the face is leveled, and first net buffer layer and second net buffer layer play the effect of crack control and balanced upper and lower tensile, have solved the problem of the easy fracture of surface course and bottom plate, do benefit to the improvement floor quality.

Chinese patent CN116461173a discloses a carbonized rubber wood core floor and a preparation method thereof, comprising carbonized rubber wood, wherein a surface layer is integrally positioned on the outer surface of the upper end of the carbonized rubber wood, a bottom plate is integrally positioned on the outer surface of the lower end of the carbonized rubber wood, the surface layer is a panel with the thickness of 0.6-3.0 mm, the carbonized rubber wood and the bottom plate are matched for use, a composite panel is integrally positioned in the carbonized rubber wood, and the composite panel comprises a glass fiber reinforced, a moisture-proof plate, an antistatic plate and a calcium silicate plate. The process adopts a low-temperature hot-pressing process, the one-time hot-pressing molding is adopted, the production period of the rubber wood core three-layer floor is short, the operability is strong, the performance is stable, the floor is suitable for geothermal environments, the whole carbonized rubber wood core floor has a simple structure, the operation is convenient, and the use effect is better than that of the traditional mode.

Chinese patent CN219229402U discloses a veneer faced rubber-wood board with color digital spray printing and painting composite decoration, the material layer structure of which comprises a rubber-wood finger joint integrated board layer positioned at a central layer, and a repair-free anti-deformation anti-cracking special veneer layer, a color-repairing covering primer composite coating and a color-digital spray printing and painting composite decorative color-surface composite coating which are symmetrically overlapped and compounded on the two side surfaces of the rubber-wood finger joint integrated board layer from inside to outside. The material layer structure and the facing technology of the traditional rubber wood board are improved, the repair-free problem of appearance quality defects and the problem that the board can irregularly warp, deform and crack when the color digital spray printing decoration technology is applied to the rubber wood finger joint integrated board are solved, the designable properties of aesthetic elements such as surface decoration textures, colors, textures and the like of the rubber wood board and the color value effects of wood texture, true naturalness and high simulation degree are improved, and the color digital spray printing decoration technology is applicable to the production of high-end solid wood furniture.

Disclosure of Invention

In order to better utilize rubber wood, the utility model discloses an EB cured polypropylene film veneer rubber wood core composite floor.

Technical proposal

The utility model provides a EB solidified polypropylene film veneer rubber wood core composite floor, is provided with the rubberizing layer between surface decoration layer and modified three-layer rubber wood core solid wood composite floor base member layer, the surface decoration layer is EB solidified polypropylene film, rubber wood core solid wood composite floor base member layer thick 10~18mm, including substrate top layer, substrate sandwich layer and substrate bottom in proper order, according to crisscross texture suppression one-tenth sandwich structure, wherein, the substrate sandwich layer is rubber lignin face finger joint integrated board, rubber lignin face finger joint integrated board is rubber wood lath and is end to finger joint length, the integrated piece of side direction butt joint is pieced together wide, long broad width face net dimension 1230~1250m x 1930~2440mm, the two-sided fixed thick sanding of thickness net dimension 8~13 mm's plain face finger joint integrated board.

In the preferred embodiment of the utility model, the thickness of the surface decorative layer is 0.27 plus or minus 0.05mm.

Furthermore, the EB cured polypropylene film is a film prepared from polypropylene serving as a raw material by an electron beam curing process, the surface of the EB cured polypropylene film not only contains wood textures, but also paint, special planes and archaizing effects, so that the EB cured polypropylene film is formed by compounding the wood textures and the paint effects, has natural wood textures, archaizing effects and paint treatment effects, is real in texture, and has visual touch feeling close to that of wood.

In the preferred embodiment of the utility model, the glue coating layer is a polyurethane resin hot melt glue curing layer with the thickness of 0.1-0.2 mm, so that the problems that the film is easy to generate surface defects on the rough wood surface and the like are solved, and the lower coating weight can achieve better glue bonding strength.

In the preferred disclosed example, the thickness of the surface layer of the base material is 1-3 mm, the water content is 8-12%, the base material is a rotary cut veneer of birch, maple, pine and the like, and further, a rotary cut or sawn veneer of high-quality hard broad-leaved wood is selected, so that the base material is required to be hard and resistant to compression, and has attractive texture and uniform color.

In the preferred embodiment of the utility model, the rubber wood is soaked in the liquid medicine to prevent mildew and insects, heat treated and dried.

Further, the length of the rubber wood strip is 100-150 mm, the width is 50-90 mm, the thickness is 8-13 mm, and the water content is 8-12%.

Furthermore, the rubber lignin surface is connected with the integrated plate in a finger joint mode, and gaps between the battens are not more than 1mm.

In the preferred embodiment of the utility model, the thickness of the bottom layer of the base material is 0.6-2.0 mm, the water content is 8-12%, and the base material is birch, maple, pine and the like.

The tongue-and-groove structure of the composite floor adopts a lock catch connection mode.

The composite board formed by compounding the improved rubber wood core solid wood composite floor substrate and the EB cured polypropylene film not only inherits the elegant and natural characteristics of the solid wood board, but also is a substitute product of the solid wood board from the perspective of protecting forest resources, and can effectively reduce the consumption of wood. Has good water resistance, stability, decoration, durability, etc. The base material main body adopts a rubber wood core finger joint mode to fully utilize wood, the finger joint strip-shaped small blocks can effectively avoid defect positions, the material sense of natural wood is reserved, the base material main body has the characteristics of high strength, good fireproof performance, high heat preservation performance, uniform water content, small deformation and the like, the wood is utilized to the maximum extent, meanwhile, the wood is selected preferentially, the performance of the wood is improved to the maximum extent, the small wood is used greatly, the inferior wood is used preferentially, and the protection of forestry resources is promoted.

Advantageous effects

The EB cured polypropylene film veneer rubber wood core composite floor disclosed by the utility model has the advantages that the polypropylene film with wood texture, archaizing effect and paint treatment effect cured by an Electron Beam process is attached to the improved bakelite core composite floor substrate layer, the characteristic of elegance and naturalness of a solid wood plate can be inherited, the EB cured polypropylene film veneer rubber wood core composite floor is a substitute product of the solid wood plate from the perspective of protecting forest resources, the consumption of wood can be effectively reduced, the shortage situation of forest resources is solved, and natural resources are protected. The polyurethane hot melt adhesive is adopted for gluing and laminating the surface layer and the base material, the bonding speed is high during lamination, the production line production can be realized, substances harmful to human bodies and the environment can not be released in and after the bonding process, and the composite floor inherits the elegant and natural characteristics of the solid wood board and has good waterproof property, water resistance, stability, decoration and durability.

Drawings

Figure 1. Structural schematic of eb cured polypropylene film faced rubber wood core composite flooring,

FIG. 2 is a schematic view of an arrangement section of matrix layers of the improved bakelite core composite floor,

Figure 3 is a schematic structural perspective view of eb cured polypropylene film faced rubber wood core composite floor,

The components are marked by 1, a surface decorative layer, 2, a glue coating layer, 3, an improved bakelite core composite floor base layer, 4, a substrate bottom layer, 5, a substrate core layer and 6, a substrate surface layer.

Detailed Description

The present utility model will be described in detail with reference to the following examples, so that those skilled in the art can better understand the present utility model, but the present utility model is not limited to the following examples.

Example 1

The utility model provides a EB solidified polypropylene film veneer rubber wood core laminate flooring, is provided with between surface decoration layer 1 and modified three-layer rubber wood core solid wood laminate flooring base member layer 3 and scribbles glue film 2, surface decoration layer 1 is EB solidified polypropylene film, rubber wood core solid wood laminate flooring base member layer 3 thickness 10~18mm includes substrate top layer 6, substrate sandwich layer 5 and substrate bottom layer 4 in proper order, suppresses into integrative sandwich structure according to crisscross texture, wherein, substrate sandwich layer 5 is rubber lignin face finger-joint integrated board.

Example 2

The EB cured polypropylene film veneer rubber wood core composite floor comprises a surface decoration layer 1 and an improved three-layer rubber wood core solid wood composite floor substrate layer 3, wherein the surface decoration layer 1 is an EB cured polypropylene film with the thickness of 0.27+/-0.05 mm, the glue coating layer 2 is a polyurethane resin hot melt adhesive curing layer with the thickness of 0.1-0.2 mm, the thickness of the rubber wood core solid wood composite floor substrate layer 3 is 10-18 mm, the rubber wood core solid wood composite floor substrate comprises a substrate surface layer 6, a substrate core layer 5 and a substrate bottom layer 4 in sequence, and the substrate core layer 5 is a sandwich structure formed by pressing into a whole according to criss-cross textures, wherein the substrate core layer 5 is a rubber lignin surface finger joint integrated plate.

Example 3

The EB cured polypropylene film veneer rubber wood core composite floor comprises a surface decoration layer 1 and an improved three-layer rubber wood core solid wood composite floor substrate layer 3, wherein a glue coating layer 2 is arranged between the surface decoration layer 1 and the improved three-layer rubber wood core solid wood composite floor substrate layer 3, the surface decoration layer 1 is an EB cured polypropylene film with the thickness of 0.27+/-0.05 mm, the glue coating layer 2 is a polyurethane resin hot melt glue curing layer with the thickness of 0.1-0.2 mm, the rubber wood core solid wood composite floor substrate layer 3 is 10-18 mm in thickness, the rubber wood core solid wood composite floor substrate layer comprises a substrate surface layer 6, a substrate core layer 5 and a substrate bottom layer 4 in sequence, and the substrate surface layer 6 is of a sandwich structure which is formed by pressing into a whole according to crisscross textures, the thickness of the substrate surface layer 6 is 1-3 mm, the moisture content is 8-12% and is a birch, maple wood and pine rotary cut veneer, the substrate core layer 5 is a rubber lignin surface finger joint integrated board, the substrate bottom layer 4 is 0.6-2.0 mm, the moisture content is 8-12% and the birch is a pine.

Example 4

An EB cured polypropylene film veneer rubber wood core composite floor is provided with a glue coating layer 2 between a surface decorative layer 1 and an improved three-layer rubber wood core solid wood composite floor substrate layer 3, wherein the surface decorative layer 1 is an EB cured polypropylene film, and the thickness is 0.27+/-0.05 mm; the glue coating layer 2 is a polyurethane resin hot melt glue curing layer with the thickness of 0.1-0.2 mm, the rubber wood core solid wood composite floor substrate layer 3 is 10-18 mm in thickness and sequentially comprises a substrate surface layer 6, a substrate core layer 5 and a substrate bottom layer 4, the substrate surface layer 6 is 1-3 mm in thickness and is of an integrated sandwich structure according to crisscross textures, the moisture content is 8-12%, the substrate surface layer 6 is a rotary cut veneer of birch, maple and pine, the substrate core layer 5 is a rubber lignin surface finger-joint integrated board, the rubber wood is processed into rubber wood strips through the processes of liquid medicine soaking mildew prevention insect prevention, heat treatment and drying, the rubber wood strips are spliced into a double-sided fixed-thickness sanding integrated board with the end-to-end finger joint length, the lateral butt joint integrated width, the length and width range net size of 1230-to 1250m multiplied by 1930-40 mm and the thickness net size of 8-13 mm, and the substrate bottom layer 4 is 0.6-2.0 mm in thickness and the moisture content is 8-12% of birch, maple and maple.

Example 5

An EB cured polypropylene film veneer rubber wood core composite floor is provided with a glue coating layer 2 between a surface decorative layer 1 and an improved three-layer rubber wood core solid wood composite floor substrate layer 3, wherein the surface decorative layer 1 is an EB cured polypropylene film, and the thickness is 0.27+/-0.05 mm; the glue coating layer 2 is a polyurethane resin hot melt glue curing layer with the thickness of 0.1-0.2 mm, the rubber wood core solid wood composite floor substrate layer 3 is 10-18 mm in thickness and sequentially comprises a substrate surface layer 6, a substrate core layer 5 and a substrate bottom layer 4, and is pressed into an integrated sandwich structure according to criss-cross textures, wherein the substrate surface layer 6 is 1-3 mm in thickness, the moisture content is 8-12% and is a rotary cut veneer of birch, maple and pine, the substrate core layer 5 is a rubber lignin surface finger-joint integrated board, rubber wood is subjected to liquid medicine soaking mildew-proof insect prevention, heat treatment and drying treatment to be processed into rubber wood strips, the rubber wood strips are 100-150 mm in length, 50-90 mm in width, 8-13 mm in thickness and 8-12% in moisture content, the two-sided finger-joint integrated splice width is formed by finger-joint length and lateral butt joint, the net size of 1230-125 mm in length and width range of 1930-24 mm in thickness and the gap between two-sided finger-joint integrated boards is not greater than 1.0-12% of the substrate, and the moisture content of the substrate is 0.2-12 mm.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (8)

1. The EB-cured polypropylene film veneer rubber wood core composite floor is characterized in that the surface decorative layer (1) is an EB-cured polypropylene film, the thickness of the rubber wood core wood composite floor substrate layer (3) is 10-18 mm, the substrate surface layer (6), the substrate core layer (5) and the substrate bottom layer (4) are sequentially pressed into an integrated sandwich structure according to crisscross textures, the substrate core layer (5) is a rubber lignin surface finger joint integrated plate, the rubber lignin surface finger joint integrated plate is a rubber wood plate, and the two-sided finger joint integrated plate with the net size of 1230-1250 mm multiplied by 40mm and the net size of 8-13 mm is formed by end-to-end finger joint length and lateral flush joint integrated splice width.

2. The EB cured polypropylene film faced rubber wood core composite floor according to claim 1, wherein the thickness of the surface decorative layer (1) is 0.27±0.05mm.

3. The EB-cured polypropylene film veneer rubber wood core composite floor board according to claim 1, wherein the glue coating layer (2) is a polyurethane resin hot melt glue curing layer, and the thickness is 0.1-0.2 mm.

4. The EB-cured polypropylene film veneer rubber wood core composite floor board according to claim 1, wherein the thickness of the substrate surface layer (6) is 1-3 mm, and the water content is 8-12%.

5. The EB-cured polypropylene film veneer rubber wood core composite floor board according to claim 1, wherein the length of the rubber wood strip is 100-150 mm, the width is 50-90 mm, the thickness is 8-13 mm, and the water content is 8-12%.

6. The EB-cured polypropylene film faced rubber-wood core composite floor of claim 1, wherein said rubber lignin faces are finger-jointed into an integrated board, and the gaps between the rubber-wood strips are no more than 1mm.

7. The EB-cured polypropylene film veneer rubber wood core composite floor board according to claim 1, wherein the thickness of the substrate bottom layer (4) is 0.6-2.0 mm, and the water content is 8-12%.

8. The EB-cured polypropylene film faced rubber wood core composite floor according to any one of claims 1 to 7, wherein the tongue-and-groove structure of the composite floor adopts a lock catch connection mode.