CN214983821U

CN214983821U - Film veneer composite floor

Info

Publication number: CN214983821U
Application number: CN202121681546.XU
Authority: CN
Inventors: 张子铭; 张超; 彭立民; 李小科; 姜俊
Original assignee: Hongmufang Home Technology Huzhou Co ltd
Current assignee: Hongmufang Home Technology Huzhou Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-03
Anticipated expiration: 2031-07-20

Abstract

The embodiment of the application discloses membrane veneer laminate flooring, include wooden substrate layer, through the tie coat glue cover in decorative layer on the wooden substrate layer, the tie coat is hot melt adhesive layer, the decorative layer is polymer decorative film. Has relatively good surface quality of the composite floor, can reduce production energy consumption and pollution to a certain extent, and is beneficial to energy saving and clean production.

Description

Film veneer composite floor

Technical Field

The invention relates to the technical field of floor paving materials, in particular to a film veneer composite floor.

Background

Avoiding the use of precious hard broad-leaved wood is a major issue in the green building material manufacturing industry. In order to save the use of precious hard broad-leaved wood, in the prior art, a technical scheme that wood-grain paper is adhered on a wood base material layer is provided. However, this solution has the following drawbacks:

(1) the wood grain paper has poor tear strength, so that the surface of the composite floor stuck with the wood grain paper is easy to crack;

(2) the preparation process has large energy consumption and relatively large pollution, and is not beneficial to energy conservation and clean production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technical problem to provide a membrane veneer laminate flooring, the decorative layer on its surface adopts the polymer to decorate the film, thereby has the surface quality of relatively better laminate flooring, and can reduce production energy consumption, pollution abatement to a certain extent, and do benefit to energy-conservation and clean production.

In order to achieve the above object, an embodiment of the utility model provides a membrane veneer laminate flooring, including wooden substrate layer, through the tie coat glue cover in decorative layer on the wooden substrate layer, the tie coat is hot melt adhesive layer, the decorative layer is polymer decorative film.

By means of the structure, the polymer decorative film is used as the material of the decorative layer on the surface, so that the relatively high tear strength and toughness of the polymer decorative film can be utilized to obtain relatively good surface quality of the composite floor; meanwhile, the macromolecule decorative film is used as a decorative layer instead of wood grain paper, so that continuous production can be realized, the production energy consumption is reduced to a certain extent, the pollution is reduced, and the energy-saving and clean production is facilitated. For example, in the prior art, the energy consumption of the production equipment of the composite floor with the wood grain paper veneer is about 150KW, and the energy consumption of the production equipment of the composite floor with the polymer decorative film as the decorative layer on the surface is about 30 KW.

Especially, compare in the laminate flooring who glues and cover the wood grain paper, regard the laminate flooring of decorative layer with polymer decorative film, its decorative layer can seal the surface of wooden substrate layer to poisonous, harmful gas in the reduction wooden substrate volatilizees, improves the environmental protection shape of the membrane veneer laminate flooring of this application, makes it from production to the product homogeneous phase green relatively.

Preferably, the adhesive layer is a polyurethane hot melt adhesive layer.

Preferably, the decorative layer is a single layer or a plurality of laminated composite layers of a polypropylene resin film, a polyvinyl chloride resin film, a polyethylene resin film or a polyethylene terephthalate film printed with a wood texture.

Preferably, the decorative layer is a laminated composite layer of a polypropylene resin film printed with a wood texture and a polyethylene terephthalate film.

Preferably, a UV wear-resistant layer and a UV paint decoration layer are coated on the decorative layer.

Preferably, the adhesive layer comprises a first adhesive layer, a coupling liner layer and a second adhesive layer from top to bottom in sequence.

The technical purpose of arranging the coupling lining layer is at least two, one is to provide a sticking plane with relatively high hardness for the decorative layer so as to improve the surface strength of the film-faced composite floor board in the technical scheme of the application; and secondly, a bonding plane with relatively good flatness is provided for the decorative layer. Particularly, wooden substrate layer, originally have or because of its surface unevenness that the deformation leads to, use multilayer wood composite substrate as an example, it is formed by fast-growing wood veneer vertically and horizontally staggered complex, the morning and evening material mechanical strength of the fast-growing wood veneer on top layer is different, the dry shrinkage performance is different, take place different collapses in the use, shrink (inflation) and influence its surface smoothness, directly glue and cover on wooden substrate layer, then easily form slight fold on the decorative layer, influence product surface decoration effect, the roughness quality, setting through the coupling liner, use it as gluing the plane, then can comparatively effectually avoid the decorative layer to take place the problem of fold.

Preferably, the first adhesive layer and the second adhesive layer are both polyurethane hot melt adhesive layers; the coupling lining layer is an organic glass layer.

Preferably, the coupling liner has a thickness of 0.02mm to 0.08 mm.

Preferably, the coupling liner has a plurality of perforations thereon.

In this technical scheme, through the setting of hitting the perforation, can be artificial pass the coupling lining and form the glue nail of connecting first gluing agent layer, second gluing agent layer to improve the bonding strength of the two.

Preferably, the plurality of punching holes are arranged in an array, and the diameter of each punching hole is 0.005 mm-0.015 mm.

In this technical scheme, through will hit the perforation aperture and set up to 0.005mm ~ 0.015mm to can be in the thermosetting in-process (the coupling lining takes place to soften this moment), first gluing agent layer, second gluing agent layer can form the adhesive tape nail through hitting the perforation, and make the surface area of adhesive tape nail less relatively and make the existence of adhesive tape nail not influence its surface smoothness.

To sum up, compare with prior art, the beneficial effects of the utility model are that:

1. by taking the polymer decorative film as the material of the decorative layer on the surface, the relatively high tear strength and toughness of the polymer decorative film can be utilized to obtain relatively good surface quality of the composite floor; meanwhile, the macromolecule decorative film is used as a decorative layer instead of wood grain paper, so that continuous production can be realized, the production energy consumption is reduced to a certain extent, the pollution is reduced, and the energy-saving and clean production is facilitated;

2. through the arrangement of the UV wear-resistant layer and the UV paint decoration layer, the surface wear-resistant performance and the antistatic performance of the film-faced composite floor board in the technical scheme can be improved;

3. through the setting of coupling lining, can provide the relatively higher, the relatively better sticky plane of covering of roughness for the decorative layer, improve application technical scheme's film veneer composite floor's surface strength, roughness quality.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural view of a film-faced composite floor according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of the film-faced composite floor according to embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of a coupling liner according to embodiment 2 of the present invention.

In the figure: 100-a wood substrate layer, 200-a bonding layer, 210-a first adhesive layer, 220-a coupling lining layer, 221-a punching hole, 230-a second adhesive layer, 300-a decorative layer, 400-a UV wear-resistant layer and 500-a UV paint decorative layer.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1: referring to fig. 1, the film-faced composite floor sequentially includes, from top to bottom, a UV paint decorative layer 500, a UV wear-resistant layer 400, a decorative layer 300, a bonding layer 200, and a wood substrate layer 100. The decoration layer 300 is adhered to the wood substrate layer 100 through the adhesive layer 200. In the embodiment, the adhesive layer 200 is a polyurethane hot melt adhesive layer (PUr glue), the decoration layer 300 is a polymer decoration film, and the UV paint decoration layer 500 and the UV abrasion resistant layer 400 are coated on the decoration layer 300.

Preferably, the decoration layer 300 is one of a polypropylene resin film (PP), a polyvinyl chloride resin film (PVC), a polyethylene resin film (PE), or a polyethylene terephthalate film (PET) printed with a wood grain.

In other embodiments, the decorative layer 300 is a laminated composite layer of a polypropylene resin film (PP) and a polyethylene terephthalate film (PET) printed with a wood texture, i.e., the polypropylene resin film (PP) is on top and the polyethylene terephthalate film (PET) is on the bottom, and no pattern is printed on the polyethylene terephthalate film (PET).

Example 2: the difference between the embodiment 2 and the embodiment 1 is that, referring to fig. 2, the adhesive layer 200 sequentially includes a first adhesive layer 210, a coupling liner 220, and a second adhesive layer 230 from top to bottom, the first adhesive layer 210 bonds the decorative layer 300 and the coupling liner 220, and the second adhesive layer 230 bonds the coupling liner 220 and the wood substrate layer 100.

The first adhesive layer 210 and the second adhesive layer 230 are both polyurethane hot melt adhesive layers (PUr glue). The coupling spacer 220 is a plastic glass layer, and the thickness of the coupling spacer 220 is 0.02mm to 0.08mm (e.g., 0.05 mm).

In a preferred embodiment, referring to FIG. 3, coupling liner 220 has a plurality of perforations 221 formed therein. The plurality of punching holes 221 are arranged in an array, and the hole diameter of the punching hole 221 is 0.005 mm-0.015 mm (for example, 0.01 mm). The punched hole 221 may be formed by any one of the prior art methods such as high voltage electrical breakdown, infrared breakdown, mechanical breakdown, etc.

The foregoing description is for the purpose of illustration and is not for the purpose of limitation. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego the subject matter and should not be construed as an admission that the applicant does not consider such subject matter to be part of the disclosed subject matter.

Claims

1. The utility model provides a membrane veneer laminate flooring, include wooden substrate layer (100), through tie coat (200) glue cover in decorative layer (300) on wooden substrate layer (100), its characterized in that, tie coat (200) are hot melt adhesive layer, decorative layer (300) are polymer decorative film.

2. The film-faced composite floor according to claim 1, wherein the adhesive layer (200) is a polyurethane hot melt adhesive layer.

3. The film-faced composite floor according to claim 1, wherein the decorative layer (300) is a single layer or a plurality of laminated composite layers of a polypropylene resin film, a polyvinyl chloride resin film, a polyethylene resin film or a polyethylene terephthalate film printed with a wood grain.

4. The film-faced composite floor according to claim 3, wherein the decorative layer (300) is a laminated composite layer of a polypropylene resin film printed with a wood grain and a polyethylene terephthalate film.

5. The film-faced composite floor according to claim 1, wherein the decorative layer (300) is coated with a UV wear layer (400), a UV lacquer finish layer (500).

6. The film-faced composite floor according to claim 1, wherein the adhesive layer (200) comprises, in order from top to bottom, a first adhesive layer (210), a coupling liner (220), and a second adhesive layer (230).

7. The film-faced composite floor according to claim 6, wherein said first adhesive layer (210) and said second adhesive layer (230) are both polyurethane hot melt adhesive layers; the coupling underlayer (220) is a plexiglass layer.

8. The film-faced composite floor according to claim 7, wherein the coupling liner (220) has a thickness of 0.02mm to 0.08 mm.

9. The film-faced composite floor according to claim 7 or 8, wherein said coupling liner (220) has a plurality of perforations (221) thereon.

10. The film-faced composite floor according to claim 9, wherein a plurality of said perforation holes (221) are arranged in an array, and the perforation holes (221) have a hole diameter of 0.005mm to 0.015 mm.