CN105883756A - Peeling medium for peeling graphene - Google Patents
Peeling medium for peeling graphene Download PDFInfo
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- CN105883756A CN105883756A CN201410750490.7A CN201410750490A CN105883756A CN 105883756 A CN105883756 A CN 105883756A CN 201410750490 A CN201410750490 A CN 201410750490A CN 105883756 A CN105883756 A CN 105883756A
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- Prior art keywords
- graphene
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- polyacrylate
- peeling
- stripping
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Abstract
The invention discloses a peeling medium for peeling graphene. The peeling medium comprises the following component in parts by weight: 100 parts of water, 30-100 parts of an alcohol solvent and 50-80 parts of polyacrylate or a polyacrylate derivative. According to the peeling medium, the polyacrylate or the polyacrylate derivative with glue viscidity is added into the peeling medium, and combined liquid is utilized for cooperating with grinding or stirring, so that the requirement on grinding or stirring can be lowered, and graphene can be peeled without ultra-high-speed shearing of a graphite flake layer. When graphene is peeled by virtue of the combined liquid, equipment is not corroded, and the structure of graphene is not damaged.
Description
Technical field
The present invention relates to Graphene production technical field, be specifically related to a kind of for graphite is peeled off as Graphene
Stripping media.
Background technology
Graphene is a kind of two-dimensional material with good flexibility, electrical property.You need to add is that, stricti jurise
Upper theory, Graphene is the lamellar of a kind of monolayer；But due to the preparation difficulty of single-layer graphene, the most also tool
The form the few-layer graphene alkene having similar performance also ranges in the category of Graphene.
At present, the method that prepared by Graphene mainly has: chemically grown method and physics stripping method.Low compared to efficiency,
Being not suitable for the chemically grown method of industrialized mass production, physics stripping method mainly uses cheap graphite to be former
Material, makes graphite layers peeling-off by graphite crystal is applied mechanical force, breaks the Van der Waals force of graphite layers,
Forming monolithic graphite alkene or form the few-layer graphene alkene, this physical separation methods has more industrial prospect and applicable scale
Metaplasia is produced.
In Graphene stripping process, need to add some auxiliary agents, to increase interlayer distance or the what is called of graphite
Intercalation so that graphite is preferably peeled off.As used nitric acid, potassium permanganate, chromic acid or hydrogen peroxide
As oxidant, concentrated sulphuric acid, as intercalator, introduces hydroxyl, epoxide group and carboxyl in graphite layers or edge
Deng oxy radical, increase graphite layers and peel off away from, follow-up graphite layers.But this chemical substance is inserted
Layer process acid consumption is big, has the pollution of the harmful gass such as SOx, NOx or heavy metal ion in production process, produces
Having sulfur to remain in product, the Graphene finally given is easily generated defect, and in the application equipment is had corrosion, fall
In the low service life of equipment, add production cost.
Summary of the invention
It is an object of the invention to overcome defect present in prior art, it is provided that one can be used for Graphene and peels off
Stripping media, this stripping media cooperative mechanical grind, graphite, and the knot to Graphene can be efficiently peeled off
Structure destroys little.
For realizing the purpose of the present invention, the technical scheme is that a kind of stripping that can be used for Graphene stripping
Medium, the composition of this stripping media includes:
100 parts of water,
Alcohols solvent 30～100 parts,
Polyacrylate or polyacrylate derivatives 50～80 parts；
Wherein, each component is in terms of its parts by weight.
Preferably technical scheme is that described alcohols solvent is ethanol, normal propyl alcohol, n-butyl alcohol, propylene glycol and Oleum Pini
One or more in alcohol.
Preferably technical scheme is that the number-average molecular weight of described polyacrylate or polyacrylate derivatives is more than
100000。
Prior art is compared, and Graphene stripping media of the present invention has glue viscosity by adding in stripping media
Polyacrylate or polyacrylate derivatives, use this combination liquid coordinate grind or stirring, it is possible to decrease to grinding
Mill or the requirement of mixing speed, it is not necessary to graphite flake layer ultra high shear can be realized the stripping to Graphene.Should
Stripping media is being peeled off while Graphene, and not etching apparatus does not damage graphene-structured.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is further described.Following example are only used
In technical scheme is clearly described, and can not limit the scope of the invention with this.
Embodiment 1
The present invention is a kind of stripping media that can be used for Graphene stripping, and the composition of this stripping media includes: water 100
Parts by weight, ethanol 30 parts by weight, polyacrylate 50 parts by weight.Wherein, the number of polyacrylate is equal
Molecular weight is more than 100000.
Embodiment 2
The present invention is a kind of stripping media that can be used for Graphene stripping, and the composition of this stripping media includes: water 100
Parts by weight, ethanol 40 parts by weight, normal propyl alcohol 20 parts by weight, polyurethane-modified polyacrylate 80 weight portion
Number.Wherein, the number-average molecular weight of polyurethane-modified polyacrylate is more than 100000.
Embodiment 3
The present invention is a kind of stripping media that can be used for Graphene stripping, and the composition of this stripping media includes: water 100
Parts by weight, n-butyl alcohol 40 parts by weight, propylene glycol 40 parts by weight, polyurethane-modified polyacrylate 60 weight
Number.Wherein, the number-average molecular weight of polyurethane-modified polyacrylate is more than 100000.
Embodiment 4
The present invention is a kind of stripping media that can be used for Graphene stripping, and the composition of this stripping media includes: water 100
Parts by weight, terpineol 100 parts by weight, polyacrylate 70 parts by weight.Wherein, polyacrylate
Number-average molecular weight is more than 100000.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (3)
1. one kind can be used for the stripping media that Graphene is peeled off, it is characterised in that the composition bag of this stripping media
Include:
100 parts of water,
Alcohols solvent 30～100 parts,
Polyacrylate or polyacrylate derivatives 50～80 parts；
Wherein, each component is in terms of its parts by weight.
Can be used for the stripping media that Graphene is peeled off the most as claimed in claim 1, it is characterised in that described alcohol
Kind solvent is one or more in ethanol, normal propyl alcohol, n-butyl alcohol, propylene glycol and terpineol.
Can be used for the stripping media that Graphene is peeled off the most as claimed in claim 1, it is characterised in that described poly-
The number-average molecular weight of acrylate or polyacrylate derivatives is more than 100000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750490.7A CN105883756A (en) | 2014-12-09 | 2014-12-09 | Peeling medium for peeling graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750490.7A CN105883756A (en) | 2014-12-09 | 2014-12-09 | Peeling medium for peeling graphene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105883756A true CN105883756A (en) | 2016-08-24 |
Family
ID=56699667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410750490.7A Pending CN105883756A (en) | 2014-12-09 | 2014-12-09 | Peeling medium for peeling graphene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105883756A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744870A (en) * | 2016-10-25 | 2017-05-31 | 成都新柯力化工科技有限公司 | A kind of abrasive media that Graphene is peeled off for slurry grinding |
-
2014
- 2014-12-09 CN CN201410750490.7A patent/CN105883756A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744870A (en) * | 2016-10-25 | 2017-05-31 | 成都新柯力化工科技有限公司 | A kind of abrasive media that Graphene is peeled off for slurry grinding |
| CN106744870B (en) * | 2016-10-25 | 2019-01-04 | 成都新柯力化工科技有限公司 | A kind of abrasive media grinding removing graphene for slurry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |