CN203792822U - Forming composite geo-membrane - Google Patents
Forming composite geo-membrane Download PDFInfo
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- CN203792822U CN203792822U CN201420192845.0U CN201420192845U CN203792822U CN 203792822 U CN203792822 U CN 203792822U CN 201420192845 U CN201420192845 U CN 201420192845U CN 203792822 U CN203792822 U CN 203792822U
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- layer
- membrane
- nonwoven layer
- forming composite
- composite geo
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Abstract
The utility model provides a forming composite geo-membrane which comprises a plastic thin membrane layer. The forming composite geo-membrane is characterized in that first non-woven fabric layers are arranged on the two sides of the plastic thin membrane layer, one side, far away from the plastic thin membrane layer, of each first non-woven fabric layer is provided with a second non-woven fabric layer. The surfaces of the first non-woven fabric layers are smooth, and the surfaces of the second non-woven fabric layers are rough. According to the forming composite geo-membrane, smooth-surface geotechnical cloth and rough-surface geotechnical cloth are arranged on a plastic thin membrane in a composite mode, one-time forming is carried out, the problem that the friction coefficient of the plastic thin membrane and a protecting layer is too large is avoided, meanwhile, the phenomena of light pollution caused by the smooth surface of a geo-membrane are reduced, the structure intensity of the geo-membrane is improved, the manufacturing technology is simple, and service life is long.
Description
Technical field
The utility model relates to waterproof roll field, specifically, relates to a kind of one-shot forming composite geo-membrane
Background technology
Composite geo-membrane is usingd plastic sheeting as antiseepage base material; with the non-woven fabric compounded geotechnological impervious material forming; general structure is two cloth one films, cloth one film or two film one cloth; its barrier performance depends primarily on the barrier performance of plastic sheeting; its anti-seepage effect depend in construction and running in the intact degree of plastic foil; because they are macromolecule chemical fibre polymer; therefore should avoid especially the direct irradiation of sunlight; so answer guarantee for a person given by a shopkeeper's sheath on composite geo-membrane; the particle diameter of protective layer can not be too large, otherwise can shorten its service life with thin layer friction.
Utility model content
The purpose of this utility model is to overcome the weak point of above-mentioned conventional art, and a kind of MULTILAYER COMPOSITE is provided, the one-shot forming composite geo-membrane of long service life.
The technical solution of the utility model is:
One-shot forming composite geo-membrane, comprise plastic film layers, it is characterized in that: described plastic film layers both sides are provided with the first nonwoven layer, described the first nonwoven layer is provided with the second nonwoven layer away from a side of plastic film layers, described the first nonwoven layer smooth surface, described the second nonwoven layer rough surface.
A concrete prioritization scheme, described plastic film layers is the wherein a kind of of polyvinyl chloride film layer, film layer, ethylene/vinyl acetate copolymer film layer or ethene vinyl acetate modified pitch blend film layer.At present, the plastic sheeting of the application of antiseepage both at home and abroad, mainly contain polyvinylchloride and polythene PE, EVA ethylene/vinyl acetate copolymer, also have design to use ECB ethene vinyl acetate modified pitch blend geomembrane in tunnel applications, they are a kind of polymer chemistry flexible materials, proportion is less, extensibility is stronger, and adaptive deformation ability is high, corrosion-resistant, low temperature resistant, good frost resistance.
A concrete prioritization scheme, described the first nonwoven layer is spunlace non-woven cloth layer.Water jet process be by the fine water flow jet of high pressure to one or more layers fleece, make the mutual mat of fiber, thereby fibre web reinforced and possessed certain brute force.Spunlace non-woven cloth surface ratio is finer and smoother, smooth.
A concrete prioritization scheme, described the second nonwoven layer is acupuncture nonwoven layer of cloth.Needle punched non-woven fabrics is a kind of of dry method nonwoven, and needle punched non-woven fabrics is the puncture effect that utilizes pricker, and fluffy fibre web is reinforced into cloth.Needle punched non-woven fabrics is mixed and disorderly compared with spunlace non-woven cloth fiber, rough surface.
The utility model is complex light face geotextiles and exasperate geotextiles on geotechnological plastic sheeting; one-shot forming; both prevented that plastic sheeting and protective layer coefficient of friction were excessive; reduced the phenomenon of geomembrane smooth surface generation light pollution simultaneously; strengthened the structural strength of geomembrane simultaneously; manufacturing process is simple, long service life.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of one-shot forming composite geo-membrane of the utility model.
In figure: 1-the second nonwoven layer; 2-the first nonwoven layer; 3-plastic film layers.
The specific embodiment
Embodiment 1: as shown in Figure 1, one-shot forming composite geo-membrane, comprise plastic film layers 3, described plastic film layers 3 both sides are provided with the first nonwoven layer 2, described the first nonwoven layer 2 is provided with the second nonwoven layer 1 away from a side of plastic film layers 3, described the first nonwoven layer 2 smooth surfaces, described the second nonwoven layer 1 rough surface.
Described plastic film layers 3 is polyvinyl chloride film layer.Certainly, can be also film layer, ethylene/vinyl acetate copolymer film layer or ethene vinyl acetate modified pitch blend film layer.
Described the first nonwoven layer 2 is spunlace non-woven cloth layer.
Described the second nonwoven layer 1 is acupuncture nonwoven layer of cloth.
In addition the first nonwoven layer 2 and the second nonwoven layer 1 also can be selected the nonwoven that additive method is manufactured, as long as keep the first nonwoven layer 2 smooth surfaces, the second nonwoven layer 1 rough surface, the material of the first nonwoven layer 2 and the second nonwoven layer 1 also can be selected polypropylene fibre (PP), terylene (PET).In addition, also have the materials such as polyamide fibre (PA), viscose rayon, acrylic fibers, polyethylene (HDPE), polyvinyl chloride fibre (PVC).
Claims (4)
1. one-shot forming composite geo-membrane, comprise plastic film layers (3), it is characterized in that: described plastic film layers (3) both sides are provided with the first nonwoven layer (2), described the first nonwoven layer (2) is provided with the second nonwoven layer (1) away from a side of plastic film layers (3), described the first nonwoven layer (2) smooth surface, described the second nonwoven layer (1) rough surface.
2. one-shot forming composite geo-membrane according to claim 1, is characterized in that: described plastic film layers (3) is wherein a kind of for polyvinyl chloride film layer, film layer, ethylene/vinyl acetate copolymer film layer or ethene vinyl acetate modified pitch blend film layer.
3. one-shot forming composite geo-membrane according to claim 1, is characterized in that: described the first nonwoven layer (2) is spunlace non-woven cloth layer.
4. one-shot forming composite geo-membrane according to claim 1, is characterized in that: described the second nonwoven layer (1) is acupuncture nonwoven layer of cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192845.0U CN203792822U (en) | 2014-04-13 | 2014-04-13 | Forming composite geo-membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420192845.0U CN203792822U (en) | 2014-04-13 | 2014-04-13 | Forming composite geo-membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203792822U true CN203792822U (en) | 2014-08-27 |
Family
ID=51375086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420192845.0U Expired - Fee Related CN203792822U (en) | 2014-04-13 | 2014-04-13 | Forming composite geo-membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203792822U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314064A (en) * | 2014-08-29 | 2015-01-28 | 孙金福 | Geotechnical membrane |
| CN104314107A (en) * | 2014-10-27 | 2015-01-28 | 湖南中核无纺有限公司 | Composite geomembrane and production method thereof |
| CN107323009A (en) * | 2017-07-06 | 2017-11-07 | 中国电建集团华东勘测设计研究院有限公司 | A kind of many membranous type composite geo-membranes of many cloth of high permeability resistance and preparation method thereof |
| CN108978622A (en) * | 2018-07-20 | 2018-12-11 | 安徽中路工程材料有限公司 | Salient point rub resistance steady type geomembrane |
-
2014
- 2014-04-13 CN CN201420192845.0U patent/CN203792822U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314064A (en) * | 2014-08-29 | 2015-01-28 | 孙金福 | Geotechnical membrane |
| CN104314107A (en) * | 2014-10-27 | 2015-01-28 | 湖南中核无纺有限公司 | Composite geomembrane and production method thereof |
| CN107323009A (en) * | 2017-07-06 | 2017-11-07 | 中国电建集团华东勘测设计研究院有限公司 | A kind of many membranous type composite geo-membranes of many cloth of high permeability resistance and preparation method thereof |
| CN108978622A (en) * | 2018-07-20 | 2018-12-11 | 安徽中路工程材料有限公司 | Salient point rub resistance steady type geomembrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20180413 |