CN108359133A - The additive and its preparation method and application of geotechnological film dynamic performance can be improved - Google Patents
The additive and its preparation method and application of geotechnological film dynamic performance can be improved Download PDFInfo
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- CN108359133A CN108359133A CN201810079629.8A CN201810079629A CN108359133A CN 108359133 A CN108359133 A CN 108359133A CN 201810079629 A CN201810079629 A CN 201810079629A CN 108359133 A CN108359133 A CN 108359133A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2357/00—Characterised by the use of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08J2357/02—Copolymers of mineral oil hydrocarbons
Abstract
The present invention relates to geomembrane additive technology fields, it is the additive and its preparation method and application that can improve geotechnological film dynamic performance, the additive, by priority using N methyl pyrrolidones, methyl alcohol process, then part Petropols mixing will obtain to improve the additive of geotechnological film dynamic performance after N methyl pyrrolidones and methanol solvate removing.The geomembrane of the Additive Production that can improve geotechnological film dynamic performance of the present invention not only has better ultimate strength, tearing brute force and anti-permeability performance, and electrostatic is not generated, so that the geomembrane prepared by the additive that can improve geotechnological film dynamic performance of the present invention is with a wide range of applications in rubbish, hazardous chemical waste, the explosion-proof field of the radiation oil gas such as waste reclamation and oil gas field, Craft in Chemical Industrial Area.
Description
Technical field
It is the additive and its system that can improve geotechnological film dynamic performance the present invention relates to geomembrane additive technology field
Preparation Method and application.
Background technology
Earth working material is the geosynthetics being widely used in now in geotechnical engineering, it is that high molecular polymer is
The general designation of earth working material product is made in raw material.Earth working material is divided into several major class:Geotextiles, geomembrane, composite geo-membrane, geotechnique
Net, TGXG, drain bar, geotechnical grid, bentonite waterproof blanket etc..One important as industry field of earth working material
Point.The ultimate strength of earth working material(Tensile strength), tearing brute force(Angle tear strength), impermeabilisation coefficient(Vapor permeation
Coefficient)It is key technology grading index, especially geotextiles, geomembrane, composite geo-membrane(The combination product of cloth+film)Fracture
Strongly, tearing brute force, geomembrane impermeabilisation coefficient technical indicator are credit rating key technical index.
Graphene is the most thin and most hard nano material in current world, has great specific surface 2630M2/ g, by force
Degree is up to 100 times that 130GPa is steel, and resistivity is only 10-6Ω CM are the materials of resistivity minimum in the world.
To improve the part mass performance of product in traditional geomembrane production, 2% carbon black, carbon black and base are usually added
Body Petropols intermiscibility is very poor, and carbon black disperses uneven generation stress concentration in system, causes under geotechnological film dynamic performance
Drop, and the carbon black-supported that 2% carbon black usually requires 2.5 to 4 times can just be added in Petropols, so the original of production geomembrane
Toatl proportion amount in material just containing carbon black and carrier reaches 5% to 8%, and so big adding proportion causes geomembrane product quality
Larger de-stabilising effect.
The basic material that production geotechnique closes film is Petropols polyethylene series of products, and polyethylene product all has good
Insulation performance leads to geomembrane in production process and is sold to user's laying construction process and generates strong electrostatic, the production of electrostatic
Life is not only harmful to people but also closes easy initiation fire explosion in particular oils gas field.As national environmental protection policy is implemented,
It is strict with the mating contaminated-oil basin of oil extraction process and collects and trickle down crude oil, contaminated-oil basin construction is increasing with geomembrane quantity, soil
The construction laying of work film is extremely easy to produce static electricity, and to oilfield place, there are significant security risks.
Invention content
The present invention provides additives that can improve geotechnological film dynamic performance and its preparation method and application, overcome
The deficiency of the prior art is stated, can effectively solve that existing that there are mechanical properties is bad using graphite as the geomembrane of Additive Production
Problem, especially its can significantly improve vertically and horizontally tensile strength, vertically and horizontally angle tear strength and the vapor of geomembrane and ooze
Saturating coefficient.
One of technical scheme of the present invention is realized by following measures:One kind can improve geotechnological film dynamic performance
Additive, obtain as follows:N-Methyl pyrrolidone is added into graphene and obtains graphene N-Methyl pyrrolidone
The volume ratio of solution, N-Methyl pyrrolidone and graphene is 10 to 20:1, then to graphene N-Methyl pyrrolidone solution
Obtain graphene solution after middle addition methanol, by graphene solution N-Methyl pyrrolidone and methanol stripper after obtain can
Improve the additive of geotechnological film dynamic performance.
Here is the further optimization and/or improvements to one of foregoing invention technical solution:
The addition of above-mentioned methanol is 1 times to 1.2 times of N-Methyl pyrrolidone addition.
The removing of N-Methyl pyrrolidone and methanol in above-mentioned graphene solution carries out as follows:Graphene is molten
Liquid heats under conditions of 70 DEG C to 75 DEG C, by heating, removes N-Methyl pyrrolidone and methanol in graphene solution.
The above-mentioned heating under confined conditions by graphene solution at 70 DEG C to 75 DEG C, the N- methyl that will be volatilized in heating process
Pyrrolidones and methanol are collected by vacuumizing vapor condensation mode.
The above-mentioned additive that can improve geotechnological film dynamic performance, obtains as follows:N- first is added into graphene
Base pyrrolidones obtains graphene N-Methyl pyrrolidone solution, the volume ratio of N-Methyl pyrrolidone and graphene be 10 to
20:1, then by graphene N-Methyl pyrrolidone solution ultrasonic vibration, to the graphene N- methylpyrroles by ultrasonic vibration
Graphene solution is obtained after methanol is added in alkanone solution, it, will be by the stone of ultrasonic vibration after graphene solution ultrasonic vibration
Obtain to improve the additive of geotechnological film dynamic performance after N-Methyl pyrrolidone and methanol stripper in black alkene solution.
It is above-mentioned to obtain premix feed liquid to after the geotechnological film raw material of the graphene solution of ultrasonic vibration addition, feed liquid will be premixed
Ultrasonic vibration, by the premix feed liquid after ultrasonic vibration N-Methyl pyrrolidone and methanol stripper after obtain to improve
The additive of geotechnological film dynamic performance.
Technical scheme of the present invention second is that being realized by following measures:One kind can improve geotechnological film dynamic performance
Additive preparation method, carry out as follows:N-Methyl pyrrolidone is added into graphene and obtains graphene N- first
The volume ratio of base pyrrolidone solution, N-Methyl pyrrolidone and graphene is 10 to 20:1, then to graphene N- methyl pyrroles
Graphene solution is obtained after methanol is added in pyrrolidone solution, by the N-Methyl pyrrolidone and methanol stripper in graphene solution
Obtain to improve the additive of geotechnological film dynamic performance afterwards.
Here is two further optimization and/or improvements to foregoing invention technical solution:
The addition of above-mentioned methanol is 1 times to 1.2 times of N-Methyl pyrrolidone addition.
The removing of N-Methyl pyrrolidone and methanol in above-mentioned graphene solution carries out as follows:Graphene is molten
Liquid heats under conditions of 70 DEG C to 75 DEG C, by heating, removes N-Methyl pyrrolidone and methanol in graphene solution.
The above-mentioned heating under confined conditions by graphene solution at 70 DEG C to 75 DEG C, the N- methyl that will be volatilized in heating process
Pyrrolidones and methanol are collected by vacuumizing vapor condensation mode.
The preparation method of the above-mentioned additive that can improve geotechnological film dynamic performance, carries out as follows:To graphene
Middle addition N-Methyl pyrrolidone obtains graphene N-Methyl pyrrolidone solution, the volume of N-Methyl pyrrolidone and graphene
Than being 10 to 20:1, then by graphene N-Methyl pyrrolidone solution ultrasonic vibration, to the graphene N- by ultrasonic vibration
Graphene solution is obtained after methanol is added in methylpyrrolidone solution, after graphene solution ultrasonic vibration, ultrasound will be passed through
It obtains that adding for geotechnological film dynamic performance can be improved after N-Methyl pyrrolidone and methanol stripper in the graphene solution of concussion
Add agent.
It is above-mentioned to obtain premix feed liquid to after the geotechnological film raw material of the graphene solution of ultrasonic vibration addition, feed liquid will be premixed
Ultrasonic vibration, by the premix feed liquid after ultrasonic vibration N-Methyl pyrrolidone and methanol stripper after obtain to improve
The additive of geotechnological film dynamic performance.
The three of technical scheme of the present invention are realized by following measures:It is a kind of enough to improve geotechnological film dynamic performance
Application of the additive in improving geotechnological film dynamic performance.
The present invention is by the way that by graphene, successively using N-Methyl pyrrolidone, methyl alcohol process, part Petropols mix, so
It will obtain to improve the additive of geotechnological film dynamic performance after N-Methyl pyrrolidone and methanol solvate removing afterwards.The present invention's
The geomembrane that the Additive Production of geotechnological film dynamic performance can be improved not only has better ultimate strength, tearing brute force and resists
Permeance property, and electrostatic is not generated, make the geotechnique prepared by the additive that can improve geotechnological film dynamic performance of the present invention
Film has a wide range of applications in rubbish, hazardous chemical waste, the explosion-proof field of the radiation oil gas such as waste reclamation and oil gas field, Craft in Chemical Industrial Area
Foreground.
Specific implementation mode
The present invention is not limited by following embodiments, can be determined according to the technique and scheme of the present invention with actual conditions specific
Embodiment.It is previously mentioned various chemical reagent and chemical article in the present invention unless otherwise specified, is public in the prior art
Know common chemical reagent and chemical article.
With reference to embodiment, the invention will be further described:
Embodiment 1:This can improve the additive of geotechnological film dynamic performance, obtain as follows:N- is added into graphene
Methyl pyrrolidone obtains graphene N-Methyl pyrrolidone solution, the volume ratio of N-Methyl pyrrolidone and graphene be 10 to
20:1, graphene solution is obtained after methanol then is added into graphene N-Methyl pyrrolidone solution, it will be in graphene solution
N-Methyl pyrrolidone and methanol stripper after obtain to improve the additive of geotechnological film dynamic performance.
The present embodiment by graphene by successively using N-Methyl pyrrolidone, methyl alcohol process, then by N- methylpyrroles
Obtain to improve the additive of geotechnological film dynamic performance, can improve described in the present embodiment after alkanone and methanol solvate removing
The additive of geotechnological film dynamic performance can improve the ultimate strength, tearing brute force and anti-permeability performance of geomembrane.
N-Methyl pyrrolidone and methanol solvate have an adverse effect to follow-up geomembrane in order to prevent(Generate bubble etc.),
By N-Methyl pyrrolidone and methanol stripper.
Embodiment 2:This can improve the additive of geotechnological film dynamic performance, obtain as follows:Add into graphene
Enter N-Methyl pyrrolidone and obtain graphene N-Methyl pyrrolidone solution, the volume ratio of N-Methyl pyrrolidone and graphene is
10 or 20:1, graphene solution is obtained after methanol then is added into graphene N-Methyl pyrrolidone solution, graphene is molten
Obtain to improve the additive of geotechnological film dynamic performance after N-Methyl pyrrolidone and methanol stripper in liquid.
Embodiment 3:As the optimization of above-described embodiment, the addition of methanol is 1 times of N-Methyl pyrrolidone addition
To 1.2 times.
When the ratio of the ratio of methyl pyrrolidone and methanol controls the range described in the present embodiment, it will heat
When removing the two solvents, the two solvents form equilibrium system, and the two is made to be removed from the additive of the present invention completely, ensure
The stability of the geotechnological film quality of Additive Production using the present invention.
When the ratio of methyl pyrrolidone and methanol is more than the range described in the present embodiment, it is unfavorable for N-Methyl pyrrolidone
With the removing of methanol.
Embodiment 4:As the optimization of above-described embodiment, the removing of N-Methyl pyrrolidone and methanol in graphene solution
It carries out as follows:Graphene solution is heated under conditions of 70 DEG C to 75 DEG C, by heating, is removed in graphene solution
N-Methyl pyrrolidone and methanol.
Embodiment 5:As the optimization of above-described embodiment 4, by graphene solution 70 DEG C to 75 DEG C under confined conditions plus
Heat collects the N-Methyl pyrrolidone to volatilize in heating process and methanol by vacuumizing vapor condensation mode.
By by the solvent removal in obtained additive of the invention, can not only prevent pollution of the solvent to environment, and
And realize the recycling of solvent.
Embodiment 6:The additive that geotechnological film dynamic performance can be improved, obtains as follows:It is added into graphene
N-Methyl pyrrolidone obtains graphene N-Methyl pyrrolidone solution, and the volume ratio of N-Methyl pyrrolidone and graphene is 10
To 20:1, then by graphene N-Methyl pyrrolidone solution ultrasonic vibration, to the graphene N- methyl pyrroles by ultrasonic vibration
Graphene solution is obtained after methanol is added in pyrrolidone solution, it, will be by ultrasonic vibration after graphene solution ultrasonic vibration
Obtain to improve the additive of geotechnological film dynamic performance after N-Methyl pyrrolidone and methanol stripper in graphene solution.
By ultrasonic vibration, graphene can be made to be well-dispersed in solvent, solvent is made fully to act on graphene.
Embodiment 7:As the optimization of above-mentioned implementation 6, geotechnological film raw material is added to the graphene solution by ultrasonic vibration
(Petropols)After obtain premix feed liquid, will premix feed liquid ultrasonic vibration, by the N- in the premix feed liquid after ultrasonic vibration
Obtain to improve the additive of geotechnological film dynamic performance after methyl pyrrolidone and methanol stripper.
Since additive application of the present invention is when the production of geomembrane, dosage is less, of the present invention in order to make
Additive be sufficiently mixed with geotechnological film raw material, therefore, the geotechnological film raw material Petropols in part are added, convenient for of the present invention
The practical application of additive.
Embodiment 8:This can improve the additive of geotechnological film dynamic performance, obtain as follows:Add into graphene
The N-Methyl pyrrolidone for entering 10 times of volumes obtains graphene N-Methyl pyrrolidone solution, then by graphene N- methylpyrroles
Alkanone solution ultrasonic vibration obtains graphite to after methanol is added in the graphene N-Methyl pyrrolidone solution of ultrasonic vibration
Alkene solution, after graphene solution ultrasonic vibration, by by ultrasonic vibration graphene solution in N-Methyl pyrrolidone and
Obtain to improve the additive of geotechnological film dynamic performance after methanol stripper, wherein the addition of methanol and N- crassitudes
The addition of ketone is identical, and graphene solution is heated under conditions of 75 DEG C, by heating, removes the N- first in graphene solution
Base pyrrolidones and methanol.
Embodiment 9:This can improve the additive of geotechnological film dynamic performance, obtain as follows:Add into graphene
The N-Methyl pyrrolidone for entering 15 times of volumes obtains graphene N-Methyl pyrrolidone solution, then by graphene N- methylpyrroles
Alkanone solution ultrasonic vibration obtains graphite to after methanol is added in the graphene N-Methyl pyrrolidone solution of ultrasonic vibration
Alkene solution, after graphene solution ultrasonic vibration, by by ultrasonic vibration graphene solution in N-Methyl pyrrolidone and
Obtain to improve the additive of geotechnological film dynamic performance after methanol stripper, wherein the addition of methanol and N- crassitudes
The addition of ketone is identical, and graphene solution is heated under conditions of 70, by heating, removes the N- methyl in graphene solution
Pyrrolidones and methanol.
Embodiment 10:This can improve the additive of geotechnological film dynamic performance, obtain as follows:Add into graphene
The N-Methyl pyrrolidone for entering 20 times of volumes obtains graphene N-Methyl pyrrolidone solution, then by graphene N- methylpyrroles
Alkanone solution ultrasonic vibration obtains graphite to after methanol is added in the graphene N-Methyl pyrrolidone solution of ultrasonic vibration
Alkene solution, after graphene solution ultrasonic vibration, by by ultrasonic vibration graphene solution in N-Methyl pyrrolidone and
Obtain to improve the additive of geotechnological film dynamic performance after methanol stripper, wherein the addition of methanol and N- crassitudes
The addition of ketone is identical, and graphene solution is heated under conditions of 72 DEG C, by heating, removes the N- first in graphene solution
Base pyrrolidones and methanol.
Embodiment 11:The additive of enough raising geotechnique film dynamic performances described in above-described embodiment is improving geomembrane mechanics
Application in performance.
Comparative example 1:In addition to the usage amount of N-Methyl pyrrolidone is down to 10 times of volumes of graphene hereinafter, other steps are same
Embodiment 8.
Comparative example 2:In addition to replacing methanol using N-Methyl pyrrolidone, other steps are the same as embodiment 8.
Comparative example 3:In addition to replacing N-Methyl pyrrolidone and methanol using benzene, other steps are the same as embodiment 8.
Comparative example 4:In addition to replacing N-Methyl pyrrolidone and methanol using acetaldehyde, other steps are the same as embodiment 8.
Comparative example 5:In addition to replacing N-Methyl pyrrolidone using benzene, methanol is replaced using acetaldehyde, other steps are the same as implementation
Example 8.
Comparative example 6:In addition to replacing N-Methyl pyrrolidone using acetaldehyde, methanol is replaced using benzene, other steps are the same as implementation
Example 8.
Comparative example 7:Using graphite as additive.
Compared to embodiment 8, embodiment 9 removes two kinds of solvents(N-Methyl pyrrolidone and methanol)Time increase by 3 times;
Compared to embodiment 8, the time that embodiment 9 removes two kinds of solvents increases by 4 times.
The usage amount of solvent is bigger, better to the treatment effect of graphene, still, since quantity of solvent is bigger, removes solvent
Time it is longer, based on save manufacture the present embodiment described in additive cost, therefore by the usage amount of solvent control this
Within the scope of described in invention above-described embodiment.
The additive that can improve geotechnological film dynamic performance, comparative example 1 to 7 described in the embodiment of the present invention 8 to 10 is obtained
To additive produce in the same manner product type be GH-1 high-density polyethylene geomembrane product type.GH-1 types
The production method of high-density polyethylene geomembrane product type:Geotechnological film raw material(Petropols)Middle addition 0.3% to 1.0%(It presses
The weight meter of raw material)Additive after be uniformly mixed, melted using heating and obtain GH-1 type high density polyethylene (HDPE)s after making film
Geomembrane product.
Use the additive that can improve geotechnological film dynamic performance, the comparative example 1 to 7 described in the embodiment of the present invention 8 to 10
The GH-1 type high-density polyethylene geomembrane product types and existing routine GH-1 types that obtained Additive Production obtains are highly dense
Spend polyethylene film for earthwork product type(In table 1, replaced with conventional geomembrane)Mechanical property(Tensile strength(In length and breadth, MPa)、
Angle tear strength(Vertically and horizontally, N/mm), water vapor permeation coefficient(g·cm/cm·s·pa), elongation at break(%), it is conductive
Performance)As shown in table 1.The national standard of GH-1 type high-density polyethylene geomembrane product type correlation mechanical properties(GB/T
17643-1998)As shown in table 1.
It can be seen from Table 1 that geotechnique can be improved using what the embodiment of the present invention 1, embodiment 8 to embodiment 10 obtained
The mechanical property of the GH-1 type high-density polyethylene geomembrane product types of the Additive Production of film dynamic performance is reaching GH-1
Under the premise of type high-density polyethylene geomembrane product type national standard, the GH-1 type high-density polyethylene geomembranes of production
Tensile strength, angle tear strength, the water vapor permeation coefficient of product type are respectively higher than what comparative example 1 was obtained to comparative example 7
The GH-1 type high-density polyethylene geomembrane product types of Additive Production and existing routine GH-1 types high density polyethylene (HDPE) soil
Tensile strength, angle tear strength, the water vapor permeation coefficient of work film product type, and relative to existing routine GH-1 types height
Density polyethylene geomembrane product type, what the embodiment of the present invention 1, embodiment 8 to embodiment 10 obtained can improve geomembrane
The tensile strength of the GH-1 type high-density polyethylene geomembrane product types of the Additive Production of mechanical property improve 25% with
On, angle tear strength improves 20% or more, and water vapor permeation coefficient improves 1000 times or more, i.e., the present invention can improve geotechnique
The additive of film dynamic performance can improve ultimate strength, the tearing brute force of GH-1 type high-density polyethylene geomembrane product types
And anti-permeability performance.
Use the additive of the present invention that can improve geotechnological film dynamic performance for producing product type as GL-1's
Low density polyethylene (LDPE) geomembrane product type, GL-2 flexible ethylenes-vinyl acetate copolymer(EVA)Geomembrane product type and
GH-2 environmental protection is high(In)When density polyethylene geomembrane product type, GL-1 low density polyethylene (LDPE) geomembranes can be equally improved
Product, GL-2 flexible ethylenes-vinyl acetate copolymer(EVA)Geomembrane product and GH-2 environmental protection are high(In)Density polyethylene soil
The mechanical property of work film product.
Due to the geomembrane of the Additive Production that can improve geotechnological film dynamic performance of the present invention have it is excellent impervious
Permeability energy makes the geomembrane be with a wide range of applications in fields such as rubbish, hazardous chemical waste, radiation waste reclamations.
By comparing example 1 it is found that when the very few usage amount of N-Methyl pyrrolidone, the geomembrane of the Additive Production of preparation
Mechanical property is insufficient.
By comparing example 2 it is found that when successively using N-Methyl pyrrolidone, the geomembrane of the Additive Production of preparation
Mechanical property is equally insufficient.And there are the evaporations of solvent to be not thorough, and has solvent(In this comparative example 2, N-Methyl pyrrolidone is
Solvent)Remain in the phenomenon in additive, complete evaporation residual solvent is extremely difficult, and increasing evaporating temperature can cause other bad
Factor generates, and influences additive using effect, when using the Additive Production geomembrane of residual solvent, geomembrane can be made to have gas
Bubble or hole generate, and the quality of the geomembrane is made to substantially reduce.
The geotechnological film dynamic performance for the Additive Production that simultaneously prepared by comparative example 3 to comparative example 6 is equally insufficient.
It is led in addition, the geomembrane of the Additive Production that can improve geotechnological film dynamic performance described in through the invention has
Therefore electrical property makes to make using the geomembrane of the Additive Production of the present invention that can improve geotechnological film dynamic performance
With in the process, electrostatic is not will produce, makes the geomembrane that can be used in the explosion-proof place of the oil gas such as oil gas field, Craft in Chemical Industrial Area.
In conclusion the present invention by by graphene successively using N-Methyl pyrrolidone, methyl alcohol process, then by N- first
Obtain to improve the additive of geotechnological film dynamic performance after base pyrrolidones and methanol solvate removing, of the invention can improve
The geomembrane of the Additive Production of geotechnological film dynamic performance not only has better ultimate strength, tearing brute force and permeability resistance
Can, and electrostatic is not generated, make the geomembrane prepared by the additive that can improve geotechnological film dynamic performance of the present invention in rubbish
Rubbish, hazardous chemical waste, the explosion-proof field of the radiation oil gas such as waste reclamation and oil gas field, Craft in Chemical Industrial Area are with a wide range of applications.
The above technical characteristic constitutes the embodiment of the present invention, can basis with stronger adaptability and implementation result
Actual needs increases and decreases non-essential technical characteristic, to meet the needs of different situations.
Table 1
Project | Tensile strength | Angle tear strength | Water vapor permeation coefficient | Elongation at break | Electric conductivity |
Embodiment 1 | 24 to 27 | 108 to 127 | >0 and≤1 × 10-18 | 500 | It is conductive |
Embodiment 8 | 24 | 108 | 1 × 10-18 | 500 | It is conductive |
Embodiment 9 | 27 | 112 | 1 × 10-20 | 500 | It is conductive |
Embodiment 10 | 26 | 127 | 1 × 10-21 | 500 | It is conductive |
Comparative example 1 | 17 to 19 | 80 to 91 | >1×10- 17And≤1 × 10- 15 | 500 | Insulation |
Comparative example 2 | 17 to 18 | 80 to 90 | >1×10- 17And≤1 × 10- 14 | 500 | Insulation |
Comparative example 3 | 17 to 20 | 80 to 90 | >1×10- 17And≤1 × 10- 14 | 500 | Insulation |
Comparative example 4 | 17 to 18 | 80 to 90 | >1×10- 17And≤1 × 10- 15 | 500 | Insulation |
Comparative example 5 | 17 to 18 | 82 to 92 | >1×10- 17And≤1 × 10- 15 | 500 | Insulation |
Comparative example 6 | 17 to 18 | 80 to 90 | >1×10- 17And≤1 × 10- 15 | 500 | Insulation |
Comparative example 7 | 17 to 19 | 80 to 90 | >1×10- 17And≤1 × 10- 14 | 500 | Insulation |
Conventional geomembrane | 17 to 19 | 80 to 90 | >1×10- 17And≤1 × 10- 14 | 500 | Insulation |
National standard | ≥17 | ≥80 | ≤1×10- 13 | ≥400 | Insulation |
Claims (10)
1. a kind of additive that can improve geotechnological film dynamic performance, it is characterised in that obtain as follows:Into graphene
N-Methyl pyrrolidone is added and obtains graphene N-Methyl pyrrolidone solution, the volume ratio of N-Methyl pyrrolidone and graphene
It is 10 to 20:1, graphene solution is obtained after methanol then is added into graphene N-Methyl pyrrolidone solution, by graphene
Obtain to improve the additive of geotechnological film dynamic performance after N-Methyl pyrrolidone and methanol stripper in solution.
2. the additive according to claim 1 that geotechnological film dynamic performance can be improved, it is characterised in that the addition of methanol
Amount is 1 times to 1.2 times of N-Methyl pyrrolidone addition.
3. the additive according to claim 1 or 2 that geotechnological film dynamic performance can be improved, it is characterised in that graphene is molten
The removing of N-Methyl pyrrolidone and methanol in liquid carries out as follows:Condition by graphene solution at 70 DEG C to 75 DEG C
Lower heating removes N-Methyl pyrrolidone and methanol in graphene solution by heating.
4. the additive according to claim 3 that geotechnological film dynamic performance can be improved, it is characterised in that graphene is molten
Under confined conditions heating of the liquid at 70 DEG C to 75 DEG C, the N-Methyl pyrrolidone to volatilize in heating process and methanol is true by taking out
Air phase condensing mode is collected.
5. the additive that can improve geotechnological film dynamic performance according to claim 1 or 2 or 4, it is characterised in that press
The method of stating obtains:N-Methyl pyrrolidone is added into graphene and obtains graphene N-Methyl pyrrolidone solution, N- methyl pyrroles
The volume ratio of pyrrolidone and graphene is 10 to 20:1, then by graphene N-Methyl pyrrolidone solution ultrasonic vibration, Xiang Jing
It crosses in the graphene N-Methyl pyrrolidone solution of ultrasonic vibration after methanol is added and obtains graphene solution, graphene solution is surpassed
After acoustic shock is swung, by by the graphene solution of ultrasonic vibration N-Methyl pyrrolidone and methanol stripper after obtain to improve
The additive of geotechnological film dynamic performance.
6. the additive according to claim 3 that geotechnological film dynamic performance can be improved, it is characterised in that as follows
It obtains:N-Methyl pyrrolidone is added into graphene and obtains graphene N-Methyl pyrrolidone solution, N-Methyl pyrrolidone
Volume ratio with graphene is 10 to 20:1, then by graphene N-Methyl pyrrolidone solution ultrasonic vibration, to by ultrasound
Graphene solution is obtained after methanol is added in the graphene N-Methyl pyrrolidone solution of concussion, by graphene solution ultrasonic vibration
Afterwards, by by the graphene solution of ultrasonic vibration N-Methyl pyrrolidone and methanol stripper after obtain that geomembrane can be improved
The additive of mechanical property.
7. the additive according to claim 5 that geotechnological film dynamic performance can be improved, it is characterised in that by ultrasound
The graphene solution of concussion obtains premix feed liquid after geotechnological film raw material is added, and will premix feed liquid ultrasonic vibration, will pass through ultrasound shake
Obtain to improve the addition of geotechnological film dynamic performance after N-Methyl pyrrolidone in premix feed liquid and methanol stripper after swinging
Agent.
8. the additive according to claim 6 that geotechnological film dynamic performance can be improved, it is characterised in that by ultrasound
The graphene solution of concussion obtains premix feed liquid after geotechnological film raw material is added, and will premix feed liquid ultrasonic vibration, will pass through ultrasound shake
Obtain to improve the addition of geotechnological film dynamic performance after N-Methyl pyrrolidone in premix feed liquid and methanol stripper after swinging
Agent.
9. a kind of preparation of additive that can improve geotechnological film dynamic performance according to claim 2 to 8 any one
Method, it is characterised in that carry out as follows:N-Methyl pyrrolidone is added into graphene and obtains graphene N- methyl pyrroles
The volume ratio of pyrrolidone solution, N-Methyl pyrrolidone and graphene is 10 to 20:1, then to graphene N- crassitudes
In ketone solution be added methanol after obtain graphene solution, by graphene solution N-Methyl pyrrolidone and methanol stripper after
To the additive that can improve geotechnological film dynamic performance.
10. a kind of additive that can improve geotechnological film dynamic performance according to claim 1 to 8 any one is improving
Application in geotechnological film dynamic performance.
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CN103641109A (en) * | 2013-12-14 | 2014-03-19 | 福建师范大学 | Method for synchronously reducing and modifying graphene oxide |
CN103922325A (en) * | 2014-04-17 | 2014-07-16 | 哈尔滨工程大学 | Graphene preparation method |
CN105967179A (en) * | 2016-06-30 | 2016-09-28 | 常州第六元素材料科技股份有限公司 | Preparation method of easy-dispersible graphene powder and graphene powder prepared by method |
WO2017152853A1 (en) * | 2016-03-09 | 2017-09-14 | Toray Advanced Materials Research Laboratories (China) Co., Ltd. | Graphene dispersion, method for producing electrode paste, and method for producing electrode |
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CN103641109A (en) * | 2013-12-14 | 2014-03-19 | 福建师范大学 | Method for synchronously reducing and modifying graphene oxide |
CN103922325A (en) * | 2014-04-17 | 2014-07-16 | 哈尔滨工程大学 | Graphene preparation method |
WO2017152853A1 (en) * | 2016-03-09 | 2017-09-14 | Toray Advanced Materials Research Laboratories (China) Co., Ltd. | Graphene dispersion, method for producing electrode paste, and method for producing electrode |
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