CN105089009A - Composite geomembrane and manufacturing method thereof - Google Patents
Composite geomembrane and manufacturing method thereof Download PDFInfo
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- CN105089009A CN105089009A CN201510417102.8A CN201510417102A CN105089009A CN 105089009 A CN105089009 A CN 105089009A CN 201510417102 A CN201510417102 A CN 201510417102A CN 105089009 A CN105089009 A CN 105089009A
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Abstract
The invention discloses a composite geomembrane and a manufacturing method thereof, and belongs to the technical field of geomembranes. The composite geomembrane solves the problem that at present, folds are prone to appearing in construction of geomembranes. The composite geomembrane comprises a first waterproof layer, an anti-folding layer and a second waterproof layer. The anti-folding layer is composed of triangular unit structures. The composite geomembrane is simple in structure, the three-layer composite membrane structure is adopted, the upper waterproof layer and the lower waterproof layer are adopted, and therefore a good waterproof effect can be achieved; the anti-folding layer in the middle is composed of the triangular units, and therefore the structure is stable; and meanwhile PP materials are adopted, and the anti-folding effect can be achieved due to hardness and elasticity. The composite geomembrane is convenient and fast to lay and convenient to use, folds are not prone to appearing during construction, no complex construction modes are needed, and manpower and material resources are greatly saved. The manufacturing process is simple, and the composite geomembrane and the manufacturing method are suitable for large-scale production.
Description
Technical field
The invention belongs to geomembrane technical field, specifically, particularly relate to a kind of composite geo-membrane and manufacture method thereof.
Background technology
Composite geo-membrane has the features such as nontoxic, wear-resistant, corrosion-resistant, high strength, easily construction, cost are low, in all kinds of engineering, is particularly used widely in hydraulic engineering, and achieves good economic benefit and social benefit.
Composite geo-membrane lays irregularity, forms fold and easily makes geomembrane cause breakage when lining concrete is built, also can affect the pouring quality of thin-walled lining concrete, simultaneously easily cuts brokenly geomembrane when cutting liner plate shrinkage joint.The composite geo-membrane downslide of canal slope can be pulled and be dragged geomembrane and then affect geomembrane quality, even causes geomembrane damage, also can form a large amount of fold simultaneously.
In prior art, for avoiding producing fold, before the composite geo-membrane of channel and building binding site is laid, cutting to be carried out according to building size to it, also needing close up to composite geo-membrane or receive end cutting at channel arc section.When composite geo-membrane is laid, upper end reserved part adopted the weights such as earth bag to cover and fasten admittedly, then rolling composite geo-membrane is at the uniform velocity rolled paving downwards, and with weights such as earth bags with spreading with covering pressure, laying is as far as possible smooth-going, degree of tightness appropriateness; Freely can not tumble when laying canal slope composite geo-membrane, in case composite geo-membrane produces slippage, pull and drag; Composite geo-membrane will arrange subsequent construction after laying as early as possible, reduces disturbance as far as possible.
The buckling problems of geomembrane can only be reduced at present from form of construction work as far as possible, although this form of construction work can reduce geomembrane produce fold, but increase the engineering quantity of construction, inconvenience is brought to practice of construction, and fundamentally can not solve the problem that geomembrane easily produces fold, therefore need a kind of geomembrane not easily producing fold fundamentally to solve geomembrane construction problem.
Summary of the invention
The invention provides a kind of composite geo-membrane and manufacture method thereof, solve the problem easily producing fold in the construction of current geomembrane, and provide a kind of composite geo-membrane with three layer construction, two-layer is up and down waterproofing course, intermediate layer is anti-fold layer, anti-fold layer adopts triangular unit structure composition, and Stability Analysis of Structures, this composite geo-membrane fundamentally solves the problem that composite geo-membrane easily produces fold.
The present invention implements by the following technical programs:
A kind of composite geo-membrane, comprise the first waterproofing course 1, anti-fold layer 2, second waterproofing course 3, described anti-fold layer 2 is made up of triangle unit structure, described first waterproofing course 1 and second layer waterproofing course 3 are made up of the raw material of following parts by weight: HDPE86.5 part, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts, described anti-fold layer 2 is made up of the raw material of following parts by weight: PP85-90 part, French chalk 8-15 part, flexibilizer 2-4 part, 0.4 part, antioxidant, UV531 uvioresistant 0.2 part, Tissuemat E 0.5-2 part.
A manufacture method for composite geo-membrane according to claim 1, comprises the following steps:
1) the HDPE86.5 part in the first waterproofing course 1 being filled a prescription, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts mixes;
2) the PP85-90 part in anti-fold layer 2 being filled a prescription, French chalk 8-15 part, flexibilizer 2-4 part, 0.4 part, antioxidant, UV531 uvioresistant 0.2 part, Tissuemat E 0.5-2 part mixes;
3) raw material mixed in step 1 and step 2 is extruded jointly through double screw extruder, extrude the material obtained and carry out preliminary compound by prolonging machine calendering;
4) the HDPE86.5 part in the second waterproofing course 2 being filled a prescription, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts mixes;
5) raw material that step 4 mixes is extruded through screw extruder, and carry out compound, last cooling forming by the film of PUR and the preliminary compound of step 3.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of composite geo-membrane of the present invention, structure is simple, adopts sandwich diaphragm structure, possesses upper and lower two-layer waterproofing course, can be good at playing waterproof action; Middle anti-fold layer, is made up of multiple triangular element, Stability Analysis of Structures, and adopt PP material, hardness and elasticity all can play anti-fold effect simultaneously; It is convenient, easy to use that a kind of composite geo-membrane of the present invention is laid, and not easily produces fold, without the need to loaded down with trivial details form of construction work, greatly save manpower and materials during construction; Manufacturing process is simple, is applicable to large-scale production.
Accompanying drawing explanation
fig. 1this
inventionstructural representation
figure.
in figure: 1, the first waterproofing course; 2, anti-fold layer; 3, the second waterproofing course.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is the most further described in detail:
A kind of composite geo-membrane, comprise the first waterproofing course 1, anti-fold layer 2, second waterproofing course 3, described anti-fold layer 2 is made up of triangle unit structure, described first waterproofing course 1 and second layer waterproofing course 3 are made up of the raw material of following parts by weight: HDPE86.5 part, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts, described anti-fold layer 2 is made up of the raw material of following parts by weight: PP85-90 part, French chalk 8-15 part, flexibilizer 2-4 part, 0.4 part, antioxidant, UV531 uvioresistant 0.2 part, Tissuemat E 0.5-2 part.
A manufacture method for composite geo-membrane according to claim 1, comprises the following steps:
1) the HDPE86.5 part in the first waterproofing course 1 being filled a prescription, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts mixes;
2) the PP85-90 part in anti-fold layer 2 being filled a prescription, French chalk 8-15 part, flexibilizer 2-4 part, 0.4 part, antioxidant, UV531 uvioresistant 0.2 part, Tissuemat E 0.5-2 part mixes;
3) raw material mixed in step 1 and step 2 is extruded jointly through double screw extruder, extrude the material obtained and carry out preliminary compound by prolonging machine calendering;
4) the HDPE86.5 part in the second waterproofing course 2 being filled a prescription, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts mixes;
5) raw material that step 4 mixes is extruded through screw extruder, and carry out compound, last cooling forming by the film of PUR and the preliminary compound of step 3.
Embodiment:
By HDPE86.5 part, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts mixes; Again by PP88 part, French chalk 9 parts, flexibilizer 2 parts, 0.4 part, antioxidant, UV531 uvioresistant 0.2 part, Tissuemat E 0.4 part mixes; The heating of two kinds of mixture materials is jointly extruded through double screw extruder and is obtained the first waterproofing course 1 and anti-fold layer 2 respectively, extrudes the first waterproofing course 1 of obtaining and anti-fold layer 2 carries out preliminary compound by prolonging machine calendering; By HDPE86.5 part, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts mixes, the raw material man heating mixed is extruded through screw extruder and is obtained the second waterproofing course 3, extrude the second waterproofing course 3 of obtaining and carry out calendering compound, last cooling forming by PUR and the film of preliminary compound before, obtain the composite geo-membrane of the first waterproofing course 1, anti-fold layer 2 and the second waterproofing course 3 compound.
During composite geo-membrane construction of the present invention, upper and lower two-layer waterproofing course is all waterproof, middle anti-fold layer is made up of multiple triangle unit structure, Stability Analysis of Structures, is made up of PP material simultaneously, has certain elasticity and hardness, fold during construction can be unfolded in time, can not fold be produced during construction, convenient construction, substantially increase efficiency of construction and quality.
A kind of composite geo-membrane of the present invention, structure is simple, adopts sandwich diaphragm structure, possesses upper and lower two-layer waterproofing course, can be good at playing waterproof action; Middle anti-fold layer, is made up of multiple triangular element, Stability Analysis of Structures, and adopt PP material, hardness and elasticity all can play anti-fold effect simultaneously; It is convenient, easy to use that a kind of composite geo-membrane of the present invention is laid, and not easily produces fold, without the need to loaded down with trivial details form of construction work, greatly save manpower and materials during construction; Manufacturing process is simple, is applicable to large-scale production.
In sum, be only preferred embodiment of the present invention, not be used for limiting scope of the invention process, all equalizations of doing according to shape, structure, feature and the spirit described in the claims in the present invention scope change and modify, and all should be included in right of the present invention.
Claims (2)
1. a composite geo-membrane, it is characterized in that: comprise the first waterproofing course (1), anti-fold layer (2), second waterproofing course (3), described anti-fold layer (2) is made up of triangle unit structure, described first waterproofing course (1) and second layer waterproofing course (3) are made up of the raw material of following parts by weight: HDPE86.5 part, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts, described anti-fold layer (2) is made up of the raw material of following parts by weight: PP85-90 part, French chalk 8-15 part, flexibilizer 2-4 part, 0.4 part, antioxidant, UV531 uvioresistant 0.2 part, Tissuemat E 0.5-2 part.
2. a manufacture method for composite geo-membrane according to claim 1, is characterized in that: comprise the following steps:
1) the HDPE86.5 part in the first waterproofing course (1) being filled a prescription, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts mixes;
2) the PP85-90 part in anti-fold layer (2) being filled a prescription, French chalk 8-15 part, flexibilizer 2-4 part, 0.4 part, antioxidant, UV531 uvioresistant 0.2 part, Tissuemat E 0.5-2 part mixes;
3) raw material mixed in step 1 and step 2 is extruded jointly through double screw extruder, extrude the material obtained and carry out preliminary compound by prolonging machine calendering;
4) the HDPE86.5 part in the second waterproofing course (2) being filled a prescription, carbon black 3.5 parts, age resister 0.5 part, antioxidant 3 parts, ultra-violet absorber 2.5 parts, stabilizing agent 4 parts mixes;
5) raw material that step 4 mixes is extruded through screw extruder, and carry out compound, last cooling forming by the film of PUR and the preliminary compound of step 3.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428145Y (en) * | 2009-06-18 | 2010-03-24 | 河南康喜科技有限公司 | Warp knitted grill reinforcing composite geomembrane |
| CN203487510U (en) * | 2013-09-24 | 2014-03-19 | 福建中意铁科新型材料有限公司 | Composite geomembrane |
| KR101385829B1 (en) * | 2013-03-20 | 2014-04-16 | 신계호 | Construction method of multicoating waterproof layer using ployurea |
| WO2014169680A1 (en) * | 2013-04-20 | 2014-10-23 | 江苏凯伦建材股份有限公司 | Novel composite waterproof material |
| CN104314107A (en) * | 2014-10-27 | 2015-01-28 | 湖南中核无纺有限公司 | Composite geomembrane and production method thereof |
| CN104476883A (en) * | 2014-10-22 | 2015-04-01 | 南阳丰汇塑业有限公司 | A composite geomembrane |
-
2015
- 2015-07-15 CN CN201510417102.8A patent/CN105089009B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428145Y (en) * | 2009-06-18 | 2010-03-24 | 河南康喜科技有限公司 | Warp knitted grill reinforcing composite geomembrane |
| KR101385829B1 (en) * | 2013-03-20 | 2014-04-16 | 신계호 | Construction method of multicoating waterproof layer using ployurea |
| WO2014169680A1 (en) * | 2013-04-20 | 2014-10-23 | 江苏凯伦建材股份有限公司 | Novel composite waterproof material |
| CN203487510U (en) * | 2013-09-24 | 2014-03-19 | 福建中意铁科新型材料有限公司 | Composite geomembrane |
| CN104476883A (en) * | 2014-10-22 | 2015-04-01 | 南阳丰汇塑业有限公司 | A composite geomembrane |
| CN104314107A (en) * | 2014-10-27 | 2015-01-28 | 湖南中核无纺有限公司 | Composite geomembrane and production method thereof |
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Denomination of invention: A composite geomembrane and its manufacturing method Effective date of registration: 20221229 Granted publication date: 20170721 Pledgee: Yizheng Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: YIZHENG SHENGLI WATERPROOF AND DRAINAGE MATERIALS Co.,Ltd. Registration number: Y2022980029612 |