CN108659303B - A kind of preparation method of geosynthetics impervious material - Google Patents
A kind of preparation method of geosynthetics impervious material Download PDFInfo
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- CN108659303B CN108659303B CN201810360271.6A CN201810360271A CN108659303B CN 108659303 B CN108659303 B CN 108659303B CN 201810360271 A CN201810360271 A CN 201810360271A CN 108659303 B CN108659303 B CN 108659303B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The present invention discloses a kind of preparation method of geosynthetics impervious material; including following operating procedure: (1) after mixing by ethylene-propylene-diene monomer rubber powder, polyethylene master batch; it is added into modification liquid; mixture is heated; isothermal holding; filtering, filter residue is added and is kneaded into kneader, and copolymer is made；(2) copolymer, coupling agent, trimesic acid triethyl, tetrabutyl ammonium fluoride are added into extruder, extrusion reaction 2-4min；(3) salting liquid is added drop-wise in extruder fluxing zone, then is squeezed out, cooled down, is granulated, functional agglomerate is made；(4) functional agglomerate made from step (3) is carried out after rolling compound, cooling, slice, geosynthetics impervious material is made.Geosynthetics impervious material produced by the present invention, corrosion-resistant, oxidation resistent susceptibility is excellent, waterproof performance is excellent, especially has excellent mechanical property, will not there is a phenomenon where be broken under water conservancy project load.
Description
Technical field
The invention belongs to hydraulic engineering impervious material preparation technical fields, and in particular to a kind of geosynthetics impervious material
Preparation method.
Background technique
Geosynthetics impervious material is by relatively fluid-tight polymeric synthetic material (containing natural material) and geotextile
A kind of tabular earthwork composite material being prepared through certain process combining.Geosynthetics impervious material is dam (library) engineering
The important component of seepage control system, the directly exposure of geosynthetics impervious material are applied in engineering construction construction, cost, benefit etc.
Aspect is superior to other modes, is the following embankment seepage preventing structure Main Trends of The Development.But presently commercially available common geosynthetics
Impervious material, easily deforms uncoordinated under complicated water conservancy project load, and then the phenomenon that be broken, loses antiseepage
Effect.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of preparation methods of geosynthetics impervious material.
The present invention is achieved by the following technical solutions.
A kind of preparation method of geosynthetics impervious material, including following operating procedure:
(1) by weight, after mixing by 36-42 parts of ethylene-propylene-diene monomer rubber powders, 55-60 parts of polyethylene master batches, add
Enter into 70-75 parts of modification liquids, after heating the mixture to 88-92 DEG C, isothermal holding 2-3 hours, then filter, by filter residue plus
Enter and be kneaded into kneader, copolymer is made, wherein modification liquid is made of the component of following parts by weight: isopropanol pinacol boric acid
6-8 parts of ester, 3-5 parts of D-ALPHA-Hydroxypropionic acid methyl esters, 11-14 parts of castor oil, 39-44 parts of dehydrated alcohol；
(2) by weight, by 46-52 parts of copolymers, 2-5 parts of coupling agents, 4-8 parts of trimesic acid triethyls, 5-9 parts
Tetrabutyl ammonium fluoride is added into extruder, extrusion reaction 2-4min；
(3) salting liquid is added drop-wise in extruder fluxing zone, then is squeezed out, cooled down, is granulated, functional agglomerate is made,
Middle salting liquid is made of the component of following parts by weight: 8-12 parts of methylpropene sodium sulfonate, 0.6-0.8 parts of two molybdic acid hydrate sodium, water
Polymaleic anhydride 1-4 parts, 65-70 parts of water of solution；
(4) functional agglomerate made from step (3) is carried out after rolling compound, cooling, slice, geosynthetics antiseepage material is made
Material.
Specifically, in above-mentioned steps (1), temperature when kneader is kneaded is 160-164 DEG C, and the time of mixing is that 2-3 is small
When.
Specifically, in above-mentioned steps (2), coupling agent is the compound of three iso stearate isopropyl titanates, Aluminate coupling
Any one in agent.
From the above technical scheme, it can be seen that the beneficial effects of the present invention are:
A kind of preparation method of geosynthetics impervious material provided by the invention, easy to operate, low in cost, soil obtained
Work composite anti-penetrating material, corrosion-resistant, oxidation resistent susceptibility is excellent, waterproof performance is excellent, especially has excellent mechanical property, no
There is a phenomenon where be broken under water conservancy project load for meeting.Wherein, copolymer made from ethylene-propylene-diene monomer rubber powder and polyethylene master batch, the two
Between molecular force it is strong, the degree of cross linking is high between molecular link, and then has excellent shock resistance；It is provided by the invention to change
Property liquid, can effectively promote the compatibility between ethylene-propylene-diene monomer rubber powder and polyethylene master batch, and then effectively improve copolymerization
Every mechanical property of object；On the one hand trimesic acid triethyl and tetrabutyl ammonium fluoride can promote the crosslinking between macromolecule
Degree, and the waterproof performance of impervious material obtained can be promoted；Salting liquid provided by the invention can effectively prevent copolymer from squeezing
Gel occurs during being granulated out, and can effectively avoid material obtained there is a phenomenon where holes and is excessive.
Specific embodiment
Following embodiment is used to illustrate the present invention, but cannot be used to limit the scope of the invention, reality used in the examples
The condition of applying can be for further adjustments according to the condition of producer, and unaccounted implementation condition is usually conventional laboratory conditions.
Embodiment 1
A kind of preparation method of geosynthetics impervious material, including following operating procedure:
(1) by weight, it after mixing by 36 parts of ethylene-propylene-diene monomer rubber powders, 55 parts of polyethylene master batches, is added to 70
It in part modification liquid, after heating the mixture to 88 DEG C, isothermal holding 2 hours, then filters, filter residue is added into kneader mixed
Copolymer is made in refining, and wherein modification liquid is made of the component of following parts by weight: 6 parts of isopropanol pinacol borate, D-ALPHA-Hydroxypropionic acid first
3 parts of ester, 11 parts of castor oil, 39 parts of dehydrated alcohol；
(2) by weight, by 46 parts of copolymers, 2 parts of coupling agents, 4 parts of trimesic acid triethyls, 5 parts of tetrabutyl fluorine
Change ammonium to be added into extruder, extrusion reaction 2min；
(3) salting liquid is added drop-wise in extruder fluxing zone, then is squeezed out, cooled down, is granulated, functional agglomerate is made,
Middle salting liquid is made of the component of following parts by weight: 8 parts of methylpropene sodium sulfonate, 0.6 part of two molybdic acid hydrate sodium, the poly- Malaysia of hydrolysis
1 part of acid anhydrides, 65 parts of water；
(4) functional agglomerate made from step (3) is carried out after rolling compound, cooling, slice, geosynthetics antiseepage material is made
Material.
Specifically, in above-mentioned steps (1), temperature when kneader is kneaded is 160 DEG C, and the time of mixing is 2 hours.
Specifically, in above-mentioned steps (2), coupling agent is the compound of three iso stearate isopropyl titanates.
Embodiment 2
A kind of preparation method of geosynthetics impervious material, including following operating procedure:
(1) by weight, it after mixing by 38 parts of ethylene-propylene-diene monomer rubber powders, 58 parts of polyethylene master batches, is added to 73
In part modification liquid, after heating the mixture to 90 DEG C, isothermal holding 2.5 hours, then filters, filter residue is added into kneader
It is kneaded, copolymer is made, wherein modification liquid is made of the component of following parts by weight: 7 parts of isopropanol pinacol borate, D-ALPHA-Hydroxypropionic acid
4 parts of methyl esters, 13 parts of castor oil, 41 parts of dehydrated alcohol；
(2) by weight, by 50 parts of copolymers, 3 parts of coupling agents, 6 parts of trimesic acid triethyls, 7 parts of tetrabutyl fluorine
Change ammonium to be added into extruder, extrusion reaction 3min；
(3) salting liquid is added drop-wise in extruder fluxing zone, then is squeezed out, cooled down, is granulated, functional agglomerate is made,
Middle salting liquid is made of the component of following parts by weight: 10 parts of methylpropene sodium sulfonate, 0.7 part of two molybdic acid hydrate sodium, the poly- horse of hydrolysis
Come 3 parts of acid anhydrides, 68 parts of water；
(4) functional agglomerate made from step (3) is carried out after rolling compound, cooling, slice, geosynthetics antiseepage material is made
Material.
Specifically, in above-mentioned steps (1), temperature when kneader is kneaded is 162 DEG C, and the time of mixing is 2.5 hours.
Specifically, in above-mentioned steps (2), coupling agent is the compound of three iso stearate isopropyl titanates.
Embodiment 3
A kind of preparation method of geosynthetics impervious material, including following operating procedure:
(1) by weight, it after mixing by 42 parts of ethylene-propylene-diene monomer rubber powders, 60 parts of polyethylene master batches, is added to 75
It in part modification liquid, after heating the mixture to 92 DEG C, isothermal holding 3 hours, then filters, filter residue is added into kneader mixed
Copolymer is made in refining, and wherein modification liquid is made of the component of following parts by weight: 8 parts of isopropanol pinacol borate, D-ALPHA-Hydroxypropionic acid first
5 parts of ester, 14 parts of castor oil, 44 parts of dehydrated alcohol；
(2) by weight, by 52 parts of copolymers, 5 parts of coupling agents, 8 parts of trimesic acid triethyls, 9 parts of tetrabutyl fluorine
Change ammonium to be added into extruder, extrusion reaction 4min；
(3) salting liquid is added drop-wise in extruder fluxing zone, then is squeezed out, cooled down, is granulated, functional agglomerate is made,
Middle salting liquid is made of the component of following parts by weight: 12 parts of methylpropene sodium sulfonate, 0.8 part of two molybdic acid hydrate sodium, the poly- horse of hydrolysis
Come 4 parts of acid anhydrides, 70 parts of water；
(4) functional agglomerate made from step (3) is carried out after rolling compound, cooling, slice, geosynthetics antiseepage material is made
Material.
Specifically, in above-mentioned steps (1), temperature when kneader is kneaded is 164 DEG C, and the time of mixing is 3 hours.
Specifically, in above-mentioned steps (2), coupling agent is aluminate coupling agent.
Comparative example 1
Modification liquid in step (1) is clear water, remaining operating procedure is identical with embodiment 1.
Control group
Test specimen is commercially available Du Pont TPO geomembrane.
The thickness of above-mentioned test specimen geosynthetics impervious material is 3.5mm, then according to ASTMD6693-15 standard
The mechanical property of test each group sample, rate of extension 500mm/min, test result are as shown in table 1:
Every mechanical property of 1 test specimen geosynthetics impervious material of table
As shown in Table 1, geosynthetics impervious material items excellent in mechanical performance produced by the present invention, is not easy in the mistake used
There is a phenomenon where be broken in journey.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, within the essential scope of the present invention, variation, change, addition or the replacement made all should belong to the present invention
Protection scope.
Claims (3)
1. a kind of preparation method of geosynthetics impervious material, which is characterized in that including following operating procedure:
(1) by weight, it after mixing by 36-42 parts of ethylene-propylene-diene monomer rubber powders, 55-60 parts of polyethylene master batches, is added extremely
In 70-75 parts of modification liquids, after heating the mixture to 88-92 DEG C, isothermal holding 2-3 hours, then filter, by filter residue be added to
It is kneaded in kneader, copolymer is made, wherein modification liquid is made of the component of following parts by weight: isopropanol pinacol borate 6-
8 parts, 3-5 parts of D-ALPHA-Hydroxypropionic acid methyl esters, 11-14 parts of castor oil, 39-44 parts of dehydrated alcohol；
(2) by weight, by 46-52 parts of copolymers, 2-5 parts of coupling agents, 4-8 parts of trimesic acid triethyls, four fourth of 5-9 part
Base ammonium fluoride is added into extruder, extrusion reaction 2-4min；
(3) salting liquid is added drop-wise in extruder fluxing zone, then is squeezed out, cooled down, is granulated, functional agglomerate is made, wherein salt
Solution is made of the component of following parts by weight: 8-12 parts of methylpropene sodium sulfonate, 0.6-0.8 parts of two molybdic acid hydrate sodium, hydrolysis are poly-
1-4 parts of maleic anhydride, 65-70 parts of water；
(4) functional agglomerate made from step (3) is carried out after rolling compound, cooling, slice, geosynthetics impervious material is made.
2. a kind of preparation method of geosynthetics impervious material according to claim 1, which is characterized in that above-mentioned steps
(1) in, temperature when kneader is kneaded is 160-164 DEG C, and the time of mixing is 2-3 hours.
3. a kind of preparation method of geosynthetics impervious material according to claim 1, which is characterized in that above-mentioned steps
(2) in, coupling agent is aluminate coupling agent.
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| CN201810360271.6A CN108659303B (en) | 2018-04-20 | 2018-04-20 | A kind of preparation method of geosynthetics impervious material |
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| CN201810360271.6A CN108659303B (en) | 2018-04-20 | 2018-04-20 | A kind of preparation method of geosynthetics impervious material |
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| CN108659303B true CN108659303B (en) | 2019-09-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220258A (en) * | 2007-12-20 | 2008-07-16 | 上海台安工程实业有限公司 | Thermoplastic polyolefin water-proof coiled material and production method for substrate thereof |
| CN101260288A (en) * | 2008-04-14 | 2008-09-10 | 上海申达科宝新材料有限公司 | Thermoplastic polyolefin-like waterproof material and preparation method thereof |
| CN106905607A (en) * | 2017-01-19 | 2017-06-30 | 北京东方雨虹防水技术股份有限公司 | A kind of flexible thermoplastic polyolefin's impervious material and preparation method thereof |
-
2018
- 2018-04-20 CN CN201810360271.6A patent/CN108659303B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220258A (en) * | 2007-12-20 | 2008-07-16 | 上海台安工程实业有限公司 | Thermoplastic polyolefin water-proof coiled material and production method for substrate thereof |
| CN101260288A (en) * | 2008-04-14 | 2008-09-10 | 上海申达科宝新材料有限公司 | Thermoplastic polyolefin-like waterproof material and preparation method thereof |
| CN106905607A (en) * | 2017-01-19 | 2017-06-30 | 北京东方雨虹防水技术股份有限公司 | A kind of flexible thermoplastic polyolefin's impervious material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 浅谈新型热塑性聚烯烃土工复合防渗材料;韩忠强 等;《水利水电施工》;20171031;第88-92页 * |
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