CN213501209U

CN213501209U - Flame-retardant PVC sheet

Info

Publication number: CN213501209U
Application number: CN202021935570.7U
Authority: CN
Inventors: 陈志建; 蔡学良
Original assignee: Wenzhou Yipai Plastic Industry Co ltd
Current assignee: Wenzhou Yipai Plastic Industry Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-22
Anticipated expiration: 2030-09-07

Abstract

The application relates to the technical field of PVC sheets, and discloses a flame-retardant PVC sheet, which comprises a PVC layer, wherein one end of the PVC layer is fixedly connected with a flame-retardant layer, one side of the flame-retardant layer, which is far away from the PVC layer, is fixedly connected with a corrosion-resistant layer, and one end of the corrosion-resistant layer, which is far away from the flame-retardant layer, is fixedly connected with a wear-resistant layer; the utility model discloses a PVC layer, fire-retardant layer and first fixed strip of one end fixedly connected with on PVC layer are kept away from, the one end fixedly connected with second fixed strip on PVC layer is kept away from on fire-retardant layer, first fixed strip and second fixed strip are crisscross each other, and this application has sheet non-deformable's effect.

Description

Flame-retardant PVC sheet

Technical Field

The application relates to the technical field of PVC sheets, in particular to a flame-retardant PVC sheet.

Background

Currently, PVC, i.e., polyvinyl chloride, is an initiator for vinyl chloride monomers in the presence of peroxides, azo compounds, and the like. The polymer is a high molecular material, containing a small amount of amorphous polymer with a crystal structure. PVC is also one of the largest plastic products produced in the world, is low in price and widely applied, and is commonly used for processing sheets.

The current chinese patent with publication number CN209336225U discloses a low-odor PVC sheet, which comprises a PVC layer, an upper end face fixedly connected with upper surface layer of the PVC layer, a lower end face fixedly connected with hot-melt adhesive layer of the PVC layer, a lower end face fixedly connected with rubber layer of the hot-melt adhesive layer, and a lower end face fixedly connected with lower surface layer of the rubber layer.

The above related technical solutions have the following drawbacks: when the sheet is stretched, the sheet is easily deformed or even damaged, and thus, improvement is desired.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the sheet material is easy to deform, the application provides a flame-retardant PVC sheet material.

The application provides a fire-retardant PVC sheet adopts following technical scheme:

the flame-retardant PVC sheet comprises a PVC layer, wherein one end of the PVC layer is fixedly connected with a flame-retardant layer, one side of the flame-retardant layer, which is far away from the PVC layer, is fixedly connected with a corrosion-resistant layer, and one end of the corrosion-resistant layer, which is far away from the flame-retardant layer, is fixedly connected with a wear-resistant layer; the PVC layer is kept away from on fire-retardant layer the first fixed strip of one end fixedly connected with on PVC layer, the PVC layer is kept away from on fire-retardant layer the one end fixedly connected with second fixed strip, first fixed strip and second fixed strip are crisscross each other.

By adopting the technical scheme, the flame-retardant layer is arranged to improve the flame-retardant property of the sheet; the corrosion resistance of the sheet is improved by arranging the corrosion-resistant layer; the wear-resistant layer is arranged to improve the wear resistance of the sheet; set up first fixed strip and second fixed strip in addition to make first fixed strip and second fixed strip crisscross, improved the tensile property of sheet, improve the intensity of sheet.

Preferably, the flame-retardant layer is made of a PC material.

By adopting the technical scheme, the flame-retardant layer made of the PC material has better toughness, oxidation resistance and flame retardance.

Preferably, the first fixing strip is made of PVDF material.

By adopting the technical scheme, the first fixing strip made of the PVDF material has better high temperature resistance, weather resistance, chemical corrosion resistance and tensile property.

Preferably, the second fixing strip is made of glass fiber.

By adopting the technical scheme, the second fixing strip made of the glass fiber material has better high temperature resistance, electrical insulation and tensile property

Preferably, the length direction of the first fixing strip is perpendicular to the length direction of the second fixing strip.

Through adopting above-mentioned technical scheme, with first fixed strip and second fixed strip crisscross each other, have the effect of strengthening fire-retardant layer intensity.

Preferably, the corrosion-resistant layer is made of a carbon fiber material.

By adopting the technical scheme, the corrosion-resistant layer made of the carbon fiber material is arranged, so that the corrosion resistance and the oxidation resistance of the sheet can be improved, and the probability of corrosion of the sheet is reduced.

Preferably, the first fixing strip, the second fixing strip and the flame-retardant layer form a groove, and the corrosion-resistant layer is fixedly connected with an insertion block embedded in the groove.

Through adopting above-mentioned technical scheme, when the inserted block was embedded into the recess, it was inseparabler to make fire-retardant layer be connected with corrosion resistant layer.

Preferably, the wear resistant layer is made of PE material.

By adopting the technical scheme, the wear-resistant layer made of the PE material has better wear resistance and low temperature resistance.

Preferably, one side of the wear-resistant layer, which is far away from the corrosion-resistant layer, is fixedly connected with a plurality of fixing blocks.

By adopting the technical scheme, the fixed block is arranged, so that the contact area between the wear-resistant layers and the articles is reduced, the wear of the wear-resistant layers is reduced, and the service life of the sheet is prolonged.

Preferably, the end face, far away from the wear-resistant layer, of the fixed block is an arc-shaped face.

Through adopting above-mentioned technical scheme, set up the hemisphere piece, make the wearing layer keep away from the one end on corrosion-resistant layer more smooth, reduce the wearing and tearing of wearing layer simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the flame-retardant layer is arranged to improve the flame-retardant property of the sheet; the corrosion resistance of the sheet is improved by arranging the corrosion-resistant layer; the wear-resistant layer is arranged to improve the wear resistance of the sheet; in addition, the first fixing strips and the second fixing strips are arranged and staggered, so that the tensile property of the sheet is improved, and the strength of the sheet is improved;

2. the fixed block is arranged, so that the contact area when the fixed block is contacted with an object is reduced, and the sheet is not easy to wear.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is an exploded view highlighting the first and second fixation strips.

Reference numerals: 1. a PVC layer; 2. a flame retardant layer; 21. a first fixing strip; 22. a second fixing strip; 23. a groove; 3. a corrosion-resistant layer; 31. inserting a block; 4. a wear layer; 41. and (5) fixing blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment discloses a flame-retardant PVC sheet. Referring to fig. 1 and 2, the sheet includes a PVC layer 1, a flame retardant layer 2 fixedly connected to one end of the PVC layer 1, a corrosion resistant layer 3 fixedly connected to one side of the flame retardant layer 2 away from the PVC layer 1, and a wear resistant layer 4 fixedly connected to one end of the corrosion resistant layer 3 away from the flame retardant layer 2.

Referring to fig. 1 and 2, the first fixed strip 21 of a plurality of one end fixedly connected with that PVC layer 1 is kept away from to fire-retardant layer 2, the second fixed strip 22 of a plurality of one end fixedly connected with that PVC layer 1 is kept away from to fire-retardant layer 2, and first fixed strip 21 and second fixed strip 22 are crisscross each other. The length direction of the first fixing strip 21 and the length direction of the second fixing strip 22 are perpendicular to each other.

Referring to fig. 1 and 2, the first fixing strip 21, the second fixing strip 22 and the flame-retardant layer 2 are formed with a groove 23. The corrosion-resistant layer 3 is fixedly connected with an insert block 31 embedded in the groove 23. After the insert block 31 is embedded into the groove 23, the contact areas of the first fixing strip 21, the second fixing strip 22 and the corrosion-resistant layer 3 are increased, so that the corrosion-resistant layer 3 and the flame-retardant layer 2 are more stably connected.

Referring to fig. 1 and 2, the flame-retardant layer 2 is made of a PC material, the corrosion-resistant layer 3 is made of a carbon fiber material, and the wear-resistant layer 4 is made of a PE material, so that the flame retardance, corrosion resistance, wear resistance and the like of the sheet are improved. The first fixing strip 21 is made of PVDF material, and has good high temperature resistance, corrosion resistance and tensile property. The second fixing strip 22 is made of glass fiber, has good tensile property, high temperature resistance and high temperature resistance, and improves the strength of the sheet.

Referring to fig. 1 and 2, one end of the wear-resistant layer 4, which is far away from the corrosion-resistant layer 3, is fixedly connected with a plurality of fixing blocks 41, and the end surfaces of the fixing blocks 41, which are far away from the wear-resistant layer 4, are arc-shaped surfaces. When an object is in contact with the wear-resistant layer 4, the contact area of the object with the wear-resistant layer 4 is reduced, thereby reducing wear of the wear-resistant layer 4.

The implementation principle of the flame-retardant PVC sheet material in the embodiment of the application is as follows: the flame-retardant effect of the sheet material is improved on the flame-retardant layer 2, and the first fixing strip 21 made of PVDF material and the second fixing strip 22 made of glass fiber material are mutually staggered to improve the tensile property of the sheet material.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents, improvements, etc. made within the design concept of the present invention should be included in the protection scope of the present invention.

Claims

1. A flame-retardant PVC sheet comprising a PVC layer (1), characterized in that: one end of the PVC layer (1) is fixedly connected with a flame-retardant layer (2), one side of the flame-retardant layer (2) far away from the PVC layer (1) is fixedly connected with a corrosion-resistant layer (3), and one end of the corrosion-resistant layer (3) far away from the flame-retardant layer (2) is fixedly connected with a wear-resistant layer (4); the PVC layer flame retardant coating is characterized in that a first fixing strip (21) fixedly connected with one end of the PVC layer (1) is far away from the flame retardant layer (2), a second fixing strip (22) fixedly connected with one end of the PVC layer (1) is far away from the flame retardant layer (2), and the first fixing strip (21) and the second fixing strip (22) are mutually staggered.

2. A fire retardant PVC sheet according to claim 1, characterized in that: the flame-retardant layer (2) is made of a PC material.

3. A fire retardant PVC sheet according to claim 1, characterized in that: the first fixing strip (21) is made of PVDF material.

4. A fire retardant PVC sheet according to claim 3, characterized in that: the second fixing strip (22) is made of glass fiber.

5. A fire retardant PVC sheet according to claim 4, characterized in that: the length direction of the first fixing strip (21) is perpendicular to the length direction of the second fixing strip (22).

6. A fire retardant PVC sheet according to claim 1, characterized in that: the corrosion-resistant layer (3) is made of carbon fiber materials.

7. A fire retardant PVC sheet according to claim 5, characterized in that: the first fixing strip (21), the second fixing strip (22) and the flame-retardant layer (2) are provided with grooves (23), and the corrosion-resistant layer (3) is fixedly connected with inserting blocks (31) embedded into the grooves (23).

8. A fire retardant PVC sheet according to claim 1, characterized in that: the wear-resistant layer (4) is made of PE material.

9. A fire retardant PVC sheet according to claim 1, characterized in that: one side of the wear-resistant layer (4) far away from the corrosion-resistant layer (3) is fixedly connected with a plurality of fixing blocks (41).

10. A fire retardant PVC sheet according to claim 9, characterized in that: the end face, far away from the wear-resistant layer (4), of the fixed block (41) is an arc-shaped face.