CN212737387U - EVA waterproof board with backing - Google Patents
EVA waterproof board with backing Download PDFInfo
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- CN212737387U CN212737387U CN202021263711.5U CN202021263711U CN212737387U CN 212737387 U CN212737387 U CN 212737387U CN 202021263711 U CN202021263711 U CN 202021263711U CN 212737387 U CN212737387 U CN 212737387U
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Abstract
The utility model discloses an EVA waterproof board with a back lining, which relates to the technical field of waterproof coiled materials, and the key point of the technical proposal comprises an EVA plastic homogeneous sheet, wherein the upper side or the lower side surface of the EVA plastic homogeneous sheet is provided with non-woven fabrics; a plurality of closed foam holes are formed in the EVA plastic homogeneous piece; the non-woven fabric is 200-300g/m2High-density chemical fiber non-woven fabric with the specification. The EVA plastic homogeneous sheet with the backing has the advantages of water resistance, corrosion resistance, vibration prevention and heat preservation, so that the EVA waterproof board with the backing has the effects of stable structure, wear resistance, seepage prevention and puncture resistance; the closed foam holes in the EVA plastic homogeneous sheet have the characteristics of moisture resistance and sound insulation improvement, so that the water resistance and the practicability of the EVA waterproof board with the backing are obviously improved; meanwhile, the non-woven fabric plays a role in protecting the EVA plastic homogeneous sheet, and the installation and construction difficulty of the EVA waterproof board with the backing is effectively reduced.
Description
Technical Field
The utility model relates to a waterproofing membrane technical field, more specifically says that it relates to a take backing EVA waterproof board.
Background
With the development of modern railways and highways, water prevention and drainage of tunnels are more and more important so as to effectively prevent disasters from occurring to influence economy.
In the prior art, a plastic and geotextile composite waterproof board is used as a conventional waterproof structure, and the structure of the plastic and geotextile composite waterproof board is a composite waterproof board consisting of a plastic layer and a geotextile layer and is mainly applied to waterproofing in water conservancy, railways, roads, bridges and tunnels.
However, the existing plastic and geotextile composite waterproof board is formed by directly adhering geotextile on plastic, and the geotextile of the waterproof board is easy to tear and fall off. And the geotextile of the composite waterproof board is easy to be embedded into the plastic board, so that the functions of dewatering and draining the geotextile layer are reduced, and improvement is needed.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a take backing EVA waterproof board, this take backing EVA waterproof board have stable in structure, wear-resisting, prevention of seepage and anti effect of puncture.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an EVA waterproof board with a backing comprises an EVA plastic homogeneous piece, wherein the upper side or the lower side surface of the EVA plastic homogeneous piece is provided with a non-woven fabric;
a plurality of closed foam holes are formed in the EVA plastic homogeneous piece;
the non-woven fabric is 200-300g/m2High-density chemical fiber non-woven fabric with the specification.
By adopting the technical scheme, the EVA plastic homogeneous piece has the performances of water resistance, corrosion resistance, vibration prevention and heat preservation, so that the EVA waterproof board with the backing has the effects of stable structure, wear resistance, seepage prevention and puncture resistance; the closed foam holes in the EVA plastic homogeneous sheet have the characteristic of moisture resistance, so that the water resistance of the EVA waterproof board with the backing is obviously improved; meanwhile, the closed foam holes also have the function of remarkably improving the sound insulation performance of the EVA waterproof board with the backing cloth, and the practicability of the EVA waterproof board with the backing cloth is remarkably improved; meanwhile, the specification is 200-300g/m2The high-density chemical fiber non-woven fabric has the characteristics of high tensile strength, good tensile property, high deformation resistance, corrosion resistance, high and low temperature resistance, further plays a role in protecting the EVA plastic homogeneous sheet, and reduces the installation and construction difficulty of the EVA waterproof board with the backing.
The utility model discloses further set up to: the EVA plastic homogeneous piece is composed of glass fiber gridding cloth and an EVA plastic layer wrapping the glass fiber gridding cloth.
Through adopting above-mentioned technical scheme, glass fiber net check cloth has acid and alkali-resistance and high strength's performance, combines the EVA plastic layer that has water-fast, corrosion-resistant, anti-vibration and heat preservation performance of parcel glass fiber net check cloth for this take backing EVA waterproof board has good water-fast performance, corrosion resisting property, anti-vibration performance and heat preservation performance.
The utility model discloses further set up to: the high-density chemical fiber non-woven fabric is non-woven polyester fiber cloth.
By adopting the technical scheme, the non-woven polyester fiber cloth has the characteristics of high yield and low cost, so that the production and manufacturing cost of the EVA waterproof board with the backing is reduced.
The utility model discloses further set up to: the side face of one side of the EVA plastic homogeneous piece is provided with a suede, and the non-woven fabric is stuck and compounded with the suede.
By adopting the technical scheme, the non-woven fabric and the suede are bonded and compounded, so that the structural stability and the structural strength of the EVA waterproof board with the backing are obviously improved, and the service life of the EVA waterproof board with the backing is effectively prolonged.
The utility model discloses further set up to: the EVA plastic homogeneous piece is characterized in that a waterproof layer is arranged on the lower side or the upper side of the EVA plastic homogeneous piece, and the waterproof layer is a high-density polyethylene resin layer.
Through adopting above-mentioned technical scheme, the waterproof layer plays the effect that further promotes this area backing EVA waterproof board waterproof performance, further prolongs this life who takes backing EVA waterproof board.
The utility model discloses further set up to: a color changing layer is arranged between the waterproof layer and the EVA plastic homogeneous piece and used for changing color when meeting water, and the high-density polyethylene resin layer is transparent.
Through adopting above-mentioned technical scheme, be convenient for detect and monitor this take backing EVA waterproof board, avoid influencing the installation progress, and be convenient for maintain.
To sum up, the utility model discloses following beneficial effect has: by combining the EVA plastic homogeneous piece and the non-woven polyester fiber cloth, the EVA waterproof board with the backing has the effects of stable structure, wear resistance, seepage prevention and puncture resistance, and the service life of the EVA waterproof board with the backing is obviously prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment.
Description of reference numerals: 1. an EVA plastic cement homogenizing sheet; 11. glass fiber mesh cloth; 12. an EVA plastic layer; 13. closing the foam hole; 14. suede surface; 2. a non-woven polyester fiber cloth; 3. a waterproof layer; 4. a color changing layer.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1, a backing EVA waterproof board includes an EVA plastic homogeneous sheet 1. The EVA plastic homogeneous sheet 1 is prepared by taking EVA (ethylene-vinyl acetate copolymer) as a main plastic raw material, adding HDPE and EPDM components, adding auxiliaries such as an anti-aging agent, an antioxidant, a defoaming agent and the like, mixing, thermoforming, extruding and roll forming, so that the EVA plastic homogeneous sheet with the backing has the performances of water resistance, corrosion resistance, vibration resistance and heat preservation, and has the effects of stable structure, wear resistance, seepage prevention and puncture resistance. Meanwhile, a plurality of closed foam holes 13 are arranged in the EVA plastic homogeneous piece 1. The closed foam holes 13 have the functions of preventing moisture and remarkably improving the sound insulation performance, so that the water resistance and the practicability of the EVA waterproof board with the backing are remarkably improved.
It should be mentioned that the upper surface of the EVA plastic homogeneous piece 1 is provided with a non-woven fabric; and a waterproof layer 3 is arranged on the lower side surface of the EVA plastic homogeneous piece 1. The non-woven fabric is 200-300g/m2High-density chemical fiber non-woven fabric with the specification. The specification is 200-300g/m2The high-density chemical fiber non-woven fabric has the characteristics of high tensile strength, good tensile property, high deformation resistance, corrosion resistance and high and low temperature resistance, so that the EVA plastic homogeneous sheet 1 can be protected, and the installation and construction difficulty of the EVA waterproof board with the backing can be reduced. And 3 waterproof layers of waterproof layer are high density polyethylene resin layers, and then play the effect of further promoting this area backing EVA waterproof board waterproof performance and effectively prolonging this area backing EVA waterproof board's life through high density polyethylene resin layers.
As shown in fig. 1, the EVA plastic homogeneous sheet 1 is composed of a glass fiber mesh fabric 11 and an EVA plastic layer 12 wrapping the glass fiber mesh fabric 11. The glass fiber gridding cloth 11 has the performances of acid and alkali resistance and high strength, and the EVA plastic layer 12 which wraps the glass fiber gridding cloth 11 and has the performances of water resistance, corrosion resistance, vibration prevention and heat preservation is combined, so that the EVA waterproof board with the backing has good performances of water resistance, corrosion resistance, vibration prevention and heat preservation. The high-density chemical fiber nonwoven fabric is a nonwoven polyester fiber fabric 2. The non-woven polyester fiber cloth 2 has the characteristics of high yield and low cost, so the production and manufacturing cost of the EVA waterproof board with the backing is reduced.
In order to effectively prolong the service life of the EVA waterproof board with the backing, a suede 14 is arranged on one side surface of the EVA plastic homogeneous piece 1, and non-woven fabrics are bonded and compounded with the suede 14. Therefore, the non-woven fabric and the suede 14 are bonded and compounded, so that the non-woven fabric and the suede 14 are mutually overlapped, the connection contact area is obviously increased, the effects of obviously improving the structural stability and structural strength of the EVA waterproof board with the backing are realized, and the service life of the EVA waterproof board with the backing is further effectively prolonged. A color changing layer 4 is also arranged between the waterproof layer 3 and the EVA plastic homogeneous piece 1. The color changing layer 4 is used for changing color when meeting water, and the high-density polyethylene resin layer is transparent. Therefore, through combining discoloration layer 4 and waterproof layer 3 that is transparent form will be convenient for detect and monitor this take backing EVA waterproof board, avoid influencing the installation progress, and be convenient for maintain.
Example two
The difference between the second embodiment and the first embodiment is that the non-woven fabric in the second embodiment is disposed on the lower surface of the EVA plastic homogeneous sheet 1; and the waterproof layer 3 is arranged on the upper side surface of the EVA plastic homogeneous piece 1.
To sum up, this application is through combining homogeneous piece 1 of EVA plastic and non-woven polyester fiber cloth 2 for this take backing EVA waterproof board has stable in structure, wear-resisting, prevention of seepage and the effect of anti puncture, is showing the life who prolongs this take backing EVA waterproof board.
The above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiments, but all the cases belong to the technical solution of the present invention under the thought all belong to the protection scope of the present invention. It should be noted that modifications and decorations, which would occur to those skilled in the art without departing from the principle of the present invention, should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a take backing EVA waterproof board which characterized in that: the EVA plastic homogenizing sheet comprises an EVA plastic homogenizing sheet (1), wherein a non-woven fabric is arranged on the surface of the upper side or the lower side of the EVA plastic homogenizing sheet (1);
a plurality of closed foam holes (13) are formed in the EVA plastic homogeneous sheet (1);
the non-woven fabric is 200-300g/m2High-density chemical fiber non-woven fabric with the specification.
2. The backing EVA flashing of claim 1, wherein: the EVA plastic homogeneous piece (1) is composed of glass fiber mesh cloth (11) and an EVA plastic layer (12) wrapping the glass fiber mesh cloth (11).
3. The backing EVA flashing of claim 1, wherein: the high-density chemical fiber non-woven fabric is a non-woven polyester fiber fabric (2).
4. The backing EVA flashing of claim 1, wherein: the side face of one side of the EVA plastic homogeneous piece (1) is provided with a suede (14), and the non-woven fabric is stuck and compounded with the suede (14).
5. The backing EVA flashing of claim 1, wherein: the EVA plastic homogeneous piece is characterized in that a waterproof layer (3) is arranged on the lower side or the upper side face of the EVA plastic homogeneous piece (1), and the waterproof layer (3) is a high-density polyethylene resin layer.
6. The backing EVA flashing of claim 5, wherein: a color changing layer (4) is arranged between the waterproof layer (3) and the EVA plastic homogeneous piece (1), the color changing layer (4) is used for changing color when meeting water, and the high-density polyethylene resin layer is transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021263711.5U CN212737387U (en) | 2020-07-01 | 2020-07-01 | EVA waterproof board with backing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021263711.5U CN212737387U (en) | 2020-07-01 | 2020-07-01 | EVA waterproof board with backing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212737387U true CN212737387U (en) | 2021-03-19 |
Family
ID=75020315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021263711.5U Active CN212737387U (en) | 2020-07-01 | 2020-07-01 | EVA waterproof board with backing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212737387U (en) |
-
2020
- 2020-07-01 CN CN202021263711.5U patent/CN212737387U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.80, Lane 88, Yuanding street, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: HUAGAOKE (NINGBO) GROUP CO.,LTD. Patentee after: Zhejiang huagaoke building materials Co., Ltd Address before: No.80, Lane 88, Yuanding street, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: HUAGAOKE (NINGBO) GROUP CO.,LTD. Patentee before: Yuyao huagaoke Waterproof Technology Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |