Composite PVC floor

Abstract

The utility model discloses a composite PVC (polyvinyl chloride) floor which comprises a PVC surface material layer, a PVC composite aluminum layer and a PVC backing material layer which are sequentially stacked, combined and fixed up and down, the PVC composite aluminum layer comprises an aluminum foil layer, an upper PVC film and a lower PVC film, wherein the upper PVC film and the lower PVC film are combined to the upper surface and the lower surface of the aluminum foil layer respectively. When the PVC surface material layer, the PVC composite aluminum layer and the PVC backing material layer are combined and fixed, the upper PVC film is combined and fixed with the PVC surface material layer, and the lower PVC film is combined and fixed with the PVC backing material layer. Thus, through the arrangement of the PVC composite aluminum layer, if a certain local point is heated, aluminum can quickly conduct heat in a large area for cooling, local heating and ignition are avoided, meanwhile, aluminum serves as a part of a floor interlayer due to participation of the aluminum material, the expansion and shrinkage rate of the whole floor product can be limited, the deformation amount is smaller, the PVC composite aluminum layer is added, the damp-proof capacity is better, and the service life of the floor product is prolonged. And in addition, the water vapor, oxygen and ultraviolet rays can be almost isolated, and the device is easy to produce and manufacture and suitable for popularization and application.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC floor field technology especially point to a kind of composite PVC floor. BACKGROUND

[0002] PVC floor is a kind of floor made of polyvinyl chloride material, specifically polyvinyl chloride and its copolymer resin are used as main raw materials, and fillers, plasticizers, stabilizers, coloring agents and other auxiliary materials are added, which are produced on sheet-shaped continuous substrate by coating process or by calendering, extrusion or extrusion process, which has the advantages of light, waterproof, anti-slip, antibacterial and mildew-resistant, wear-resistant, easy to clean, long service life, good elasticity, convenient construction, etc. It is popular in Europe and Asia, Japan and other places, and is widely used in indoor floor decoration.

[0003] PVC floor can be divided into many types, such as roll material, sheet material, anti-static floor, etc. You can choose your own style according to different needs. In addition, PVC floor is environmentally friendly and usually does not release harmful substances, so it is a relatively environmentally friendly decoration material.

[0004] In actual use, PVC floor is not easy to burn, because PVC material itself has relatively high flame retardance, and it has certain fire self-extinguishing property, but PVC also has the disadvantages of poor thermal stability, large smoke density during burning, release of hydrogen chloride and other toxic gases such as dioxin during burning, which has great harm to the environment and personal safety. Among the commonly used general plastics and engineering plastics, PVC is one of the plastic varieties with the largest amount of smoke during burning.

[0005] Therefore, it is necessary to further reduce the probability of PVC floor burning. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model provides a kind of composite PVC floor, which is provided with PVC composite aluminum layer, if some local point is heated, aluminum can quickly conduct heat and reduce temperature in a large area, avoid local heating and burning, and also block the spread of fire to the lower structure, improve the flame retardant ability of PVC floor.

[0007] To achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A kind of composite PVC floor, which comprises PVC fabric layer, PVC composite aluminum layer and PVC bottom material layer, which are sequentially stacked and fixed.

[0009] The PVC composite aluminum layer comprises an aluminum foil layer and upper and lower PVC films respectively combined with upper and lower surfaces of the aluminum foil layer; when the PVC surface layer, the PVC composite aluminum layer and the PVC bottom layer are combined and fixed, the upper PVC film is combined and fixed with the PVC surface layer, and the lower PVC film is combined and fixed with the PVC bottom layer.

[0010] As a preferred solution, an upper surface of the upper PVC film is covered with a printing layer, or a bottom surface of the PVC surface layer is covered with a printing layer; and the printing layer presents graphics and texts upward through the PVC surface layer.

[0011] As a preferred solution, the PVC surface layer is a smoke-suppressing wear-resistant layer.

[0012] As a preferred solution, the PVC bottom layer is a smoke-suppressing layer.

[0013] As a preferred solution, the thickness of the PVC surface layer is 0.2-0.7 mm.

[0014] As a preferred solution, the thickness of the PVC bottom layer is 1.0-2.7 mm.

[0015] As a preferred solution, the thickness of the aluminum foil layer, the upper PVC film and the lower PVC film is 0.04-0.07 mm.

[0016] As a preferred solution, the thickness of the printing layer is 0.05-0.08 mm.

[0017] As a preferred solution, an upper surface of the PVC surface layer is further provided with a UV layer.

[0018] As a preferred solution, a PVC printed color film is further provided; the PVC printed color film is arranged between the PVC surface layer and the PVC composite aluminum layer.

[0019] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, according to the above technical scheme, mainly through the setting of the PVC composite aluminum layer, if a local point is heated, the aluminum can conduct heat in a large area and rapidly reduce temperature, avoids local heating and causes combustion, also blocks the spread of the fire source to the lower structure, improves the flame-retardant capacity of the PVC floor, further reduces the probability of combustion of the PVC floor, simultaneously, by the participation of the aluminum material as a part of the floor interlayer, it is favorable to limit the tendency of cold shrinkage and thermal expansion of the whole floor product with the environment temperature, the deformation amount is smaller, the addition of the PVC composite aluminum layer is better in moisture-proof capacity, can almost isolate water vapor, oxygen and ultraviolet rays, and, is easy to produce and manufacture, is suitable for promotion and application.

[0020] In order to make the structure features and functions of the present application more clear, the present application will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a cross-sectional view of a composite PVC floor after being pressed according to the first embodiment of the present application;

[0022] Figure 2 is a cross-sectional view of a composite PVC floor in a decomposed state according to the first embodiment of the present application;

[0023] Figure 3 is a cross-sectional view of a composite PVC floor in a decomposed state according to the second embodiment of the present application;

[0024] Figure 4 is a cross-sectional view of a composite PVC floor in a decomposed state according to the third embodiment of the present application;

[0025] Figure 5 is a cross-sectional view of a composite PVC floor after being pressed according to the fourth embodiment of the present application;

[0026] Figure 6 is a cross-sectional view of a composite PVC floor after being pressed according to the fifth embodiment of the present application;

[0027] Figure 7 is a cross-sectional view of a composite PVC floor after being pressed according to the sixth embodiment of the present application.

[0028] The drawings are identified as follows: PVC fabric layer 10, PVC composite aluminum layer 20, PVC bottom material layer 30, aluminum foil layer 21, upper PVC film 22, lower PVC film 23, printing layer 40, UV layer 50, PVC printed color film 60. DETAILED DESCRIPTION

[0029] Please refer to Figures 1 to 7 , which shows the specific structure of various embodiments of the present application, which is mainly but not limited to the use of ships, vehicles and other transport tools.

[0030] In the description of the present application, it should be pointed out that the directions or position relationships indicated by the terms "up", "down", "left", "right" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the present application.

[0031] As Figure 1 and Figure 2As shown, it shows the specific structure of Example One.

[0032] A composite PVC floor, comprising PVC fabric layer 10, PVC composite aluminum layer 20 and PVC bottom layer 30 which are sequentially stacked and fixedly combined; the PVC composite aluminum layer 20 comprises aluminum foil layer 21 and upper PVC film 22 and lower PVC film 23 which are respectively combined with the upper surface and the lower surface of the aluminum foil layer 21; the aluminum foil layer 21 and the upper PVC film 22 and the lower PVC film 23 located on the upper surface and the lower surface of the aluminum foil layer 21 are integrated by adhesive bonding, and epoxy glue, UV glue or quick-drying glue (α-cyanoacrylate) can be used.

[0033] When the PVC fabric layer 10, the PVC composite aluminum layer 20 and the PVC bottom layer 30 are fixedly combined, the upper PVC film 22 is fixedly combined with the PVC fabric layer 10 by hot pressing, and the lower PVC film 23 is fixedly combined with the PVC bottom layer 30 by hot pressing. The bottom surface of the PVC fabric layer 10 is covered with a printing layer 40, and the graphics of the printing layer 40 are presented upward through the PVC fabric layer 10. Preferably, the PVC fabric layer 10 is a smoke-suppressing wear-resistant PVC layer, and the PVC bottom layer 30 is a smoke-suppressing PVC layer. In actual design, PVC can be added in a certain ratio, and other components can be added as needed. The PVC floor is a mature technology in the industry, using polyvinyl chloride and its copolymer resin as the main raw material, adding fillers, plasticizers, stabilizers, colorants and other auxiliary materials. The respective formulations can have slight differences. The thickness of the PVC fabric layer 10 is 0.2 to 0.7 mm, the thickness of the PVC bottom layer 30 is 1.0 to 2.7 mm, and the thickness of the aluminum foil layer 21, the upper PVC film 22 and the lower PVC film 23 is 0.04 to 0.07 mm. Preferably, the thickness of each is 0.05 mm, and the thickness of the printing layer 40 is 0.05 to 0.08 mm. In production, the printing layer 40 is covered on the bottom surface of the PVC fabric layer 10, and then the PVC fabric layer 10, the PVC composite aluminum layer 20 and the PVC bottom layer 30 are fixedly combined by hot pressing.

[0034] As shown, it shows the specific structure of Example Two. Figure 3

[0035] Example Two and Example One have the same basic structure, the main difference is that the upper surface of the upper PVC film 22 of Example Two is covered with a printing layer 40, and the graphics of the printing layer 40 are presented upward through the PVC fabric layer 10. In production, the printing layer 40 is covered on the upper surface of the PVC composite aluminum layer 20, and then the PVC fabric layer 10, the PVC composite aluminum layer 20 and the PVC bottom layer 30 are fixedly combined by hot pressing. ​

[0036] As Figure 4 shown, which shows the specific structure of Example Three.

[0037] Example Three is basically the same as Example One, the main difference is that: Example Three is a separate color film, namely: also includes PVC printed color film 60; PVC printed color film 60 is arranged between the PVC fabric layer 10 and the PVC composite aluminum layer 20. In the production, PVC fabric layer 10, PVC printed color film, PVC composite aluminum layer 20 and PVC bottom layer 30 are hot-pressed and fixed together.

[0038] As Figure 5 shown, which shows the specific structure of Example Four.

[0039] Example Four is basically the same as Example One, the main difference is that: there is no printed layer 40 or PVC printed color film 60 between the PVC fabric layer 10 and the PVC composite aluminum layer 20 of the PVC floor in Example Four.

[0040] In other embodiments, the printed layer 40 or PVC printed color film can also be arranged on the upper surface of the PVC fabric layer 10 in actual design.

[0041] As Figure 6 shown, which shows the specific structure of Example Five.

[0042] Compared with Example Four, the upper surface of the PVC fabric layer 10 of Example Five is also provided with a UV layer 50. Through the arrangement of the UV layer 50, the anti-fouling performance, antibacterial performance, wear resistance and scratch resistance of the floor can be improved, and the gloss can be extinguished to a certain gloss range, and the problem of discoloration or discoloration of the printed layer 40 under the ultraviolet light of the sun can be delayed, so that the floor can be kept bright and new for a long time. It can also improve the performance of the wear-resistant layer and increase the service life of the PVC floor.

[0043] As Figure 7 shown, which shows the specific structure of Example Six.

[0044] Compared with Example One, the upper surface of the PVC fabric layer 10 of Example Six is also provided with a UV layer.

[0045] The utility model discloses a design emphasis lies in, it mainly is through the setting of PVC composite aluminium layer 20, if a certain local point is heated, aluminium can conduct heat large area fast and reduce temperature, avoid local heating and cause fire, also block the fire source to the lower layer structure spread, improve the flame -retardant ability of PVC floor, further reduce the probability of the combustion of PVC floor, simultaneously, the addition of PVC composite aluminium layer 20, aluminium material as floor interlayer part, the expansion and contraction rate after finished product is smaller, be favorable to limit the tendency of the whole floor product with ambient temperature cold shrinkage thermal expansion, the deformation amount is smaller, possess certain shielding effect, and, the moisture -proof ability is better, can insulate water vapor, oxygen and ultraviolet, and, easy production makes, suitable for popularization and application.

[0046] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model in any way, so any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belong to the range of the technical scheme of the utility model.

Claims

1. A composite PVC flooring, characterized in that, The PVC surface layer, the PVC composite aluminum layer and the PVC bottom layer are sequentially stacked and fixedly combined. The PVC composite aluminum layer comprises an aluminum foil layer and upper and lower PVC films combined with upper and lower surfaces of the aluminum foil layer respectively; when the PVC surface layer, the PVC composite aluminum layer and the PVC bottom layer are fixedly combined, the upper PVC film is fixedly combined with the PVC surface layer, and the lower PVC film is fixedly combined with the PVC bottom layer.

2. The composite PVC floorboard as claimed in claim 1, characterized in that: An upper surface of the upper PVC film is covered with a printing layer, or a bottom surface of the PVC surface layer is covered with a printing layer; the printing layer presents graphics and texts upward through the PVC surface layer.

3. The composite PVC floorboard as claimed in claim 1, characterized in that: The PVC surface layer is a smoke-suppressing wear-resistant layer.

4. The composite PVC flooring as claimed in claim 1, wherein: The PVC bottom layer is a smoke-suppressing layer.

5. The composite PVC flooring as claimed in claim 1, wherein: The thickness of the PVC surface layer is 0.2-0.7 mm.

6. The composite PVC flooring as claimed in claim 1, wherein: The thickness of the PVC bottom layer is 1.0-2.7 mm.

7. The composite PVC flooring as claimed in claim 1, wherein: The thickness of the aluminum foil layer, the upper PVC film and the lower PVC film is 0.04-0.07 mm.

8. The composite PVC flooring as claimed in claim 2, wherein: The thickness of the printing layer is 0.05-0.08 mm.

9. The composite PVC flooring as claimed in claim 1, wherein: An upper surface of the PVC surface layer is further provided with a UV layer.

10. The composite PVC flooring as claimed in claim 1, wherein: The PVC printing color film is arranged between the PVC surface layer and the PVC composite aluminum layer.

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