CN109224900A - Graphene oxide sucrose fatty ester enriched substance and preparation method - Google Patents
Graphene oxide sucrose fatty ester enriched substance and preparation method Download PDFInfo
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- CN109224900A CN109224900A CN201811173921.2A CN201811173921A CN109224900A CN 109224900 A CN109224900 A CN 109224900A CN 201811173921 A CN201811173921 A CN 201811173921A CN 109224900 A CN109224900 A CN 109224900A
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- graphene oxide
- fatty ester
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- enriched substance
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 118
- 229930006000 Sucrose Natural products 0.000 title claims abstract description 85
- 239000005720 sucrose Substances 0.000 title claims abstract description 85
- -1 sucrose fatty ester Chemical class 0.000 title claims abstract description 83
- 239000000126 substance Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 230000001376 precipitating effect Effects 0.000 claims abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 3
- 238000004062 sedimentation Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229960004793 sucrose Drugs 0.000 description 67
- 239000010410 layer Substances 0.000 description 15
- 239000002253 acid Substances 0.000 description 11
- 150000002148 esters Chemical class 0.000 description 11
- 239000006228 supernatant Substances 0.000 description 11
- 239000002002 slurry Substances 0.000 description 9
- 235000014113 dietary fatty acids Nutrition 0.000 description 8
- 229930195729 fatty acid Natural products 0.000 description 8
- 239000000194 fatty acid Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 238000001291 vacuum drying Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003413 degradative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 125000005313 fatty acid group Chemical group 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/70—Pre-treatment of the materials to be mixed
- B01F23/701—Coating solid materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/51—Methods thereof
- B01F23/511—Methods thereof characterised by the composition of the liquids or solids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Medicinal Preparation (AREA)
Abstract
The present invention discloses a kind of graphene oxide sucrose fatty ester enriched substance and preparation method, it is related to chemical products production technical field, the enriched substance is using sucrose fatty ester as covering or precipitating reagent, the mixture that graphene oxide is obtained in a manner of coating or being co-precipitated from water, preparation method is in graphene oxide dispersion, sucrose-fatty ester solution is added, it is agitated to be uniformly mixed, adjust the pH value of material, sucrose fatty ester and graphene oxide are separated from the water in a manner of coating or be co-precipitated, and obtain through centrifugal sedimentation；Compared with prior art, in graphene oxide dispersion, sucrose-fatty ester solution is added, it is agitated uniform, graphene oxide is uniformly coated or is co-precipitated by sucrose fatty ester, pulpous state graphene oxide sucrose fatty ester enriched substance is obtained, powdered graphene oxide has been well solved through the dry powdered graphene oxide sucrose fatty ester enriched substance obtained and has been easy to reunite, be not easy the problem of dispersing.
Description
Technical field
The present invention relates to chemical products production technical fields, especially graphene oxide sucrose fatty ester enriched substance and system
Preparation Method.
Background technique
Graphene oxide is the oxide of graphene, is aoxidized by the single-layer or multi-layer that graphite oxide is peeling-off and is formed
Graphite contains many oxygen-containing groups, specific surface energy, good hydrophily and mechanical performance with higher, in water on lamella
With there is good dispersion stabilization in most of polar organic solvents, being applied to the fields such as high molecular material, coating, papermaking can
To improve the mechanical property of product.Common graphene oxide has powdered and aqueous dispersions on the market.
Powdered graphene oxide can remove moisture by freeze-drying and conventional heating mode and obtain, but powdered
Graphene oxide dispersion in the mixed process of other materials, be easy to reunite, be not easy to disperse, especially heating method obtains
Graphene oxide.
Graphene oxide content is usually 0.5-10mg/ml in commercially available graphene oxide aqueous dispersions, since concentration is too low,
It is distributed to and needs to remove more moisture in other materials, make troubles to operation.
Summary of the invention
The problem to be solved by the invention is to provide a kind of graphene oxide sucrose fatty ester enriched substance and preparation method,
It can solve existing graphene oxide reunion and inconvenient problem with use.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that: this graphene oxide sucrose-fatty
Ester enriched substance is the side that graphene oxide is coated or is co-precipitated from water using sucrose fatty ester as covering or precipitating reagent
The mixture that formula obtains.
Its graphene oxide sucrose fatty ester enriched substance of above-mentioned technical proposal the preparation method comprises the following steps: in graphene oxide point
In dispersion liquid, sucrose-fatty ester solution is added, it is agitated to be uniformly mixed, adjust the pH value of material, sucrose fatty ester and oxidation
Graphene is separated from the water in a manner of coating or be co-precipitated, and obtains pulpous state graphene oxide sucrose fatty ester through centrifugal sedimentation
Enriched substance.
Further: the pulpous state graphene oxide sucrose fatty ester enriched substance obtains Powder Oxidation after drying and grinding
Graphene sucrose fatty ester enriched substance.
Further: the HLB value of the sucrose fatty ester of addition is 7-16；In terms of dry matter, graphene oxide with
Sucrose fatty ester mass ratio is 1:0.01~10, and the pH value of the material is between 0.5-4.
Above-mentioned drying means is conventional vacuum drying.
Sucrose fatty ester of the present invention is a kind of nonionic surfactant, is also a kind of cladding applied to plastics
Agent, plasticizer, antistatic agent.Monoesters that sucrose fatty ester is generated by sucrose and fatty acid through esterification, diester, three esters and
The mixture of polyester, different according to each ester ratio, sucrose fatty ester has wide in range HLB value, HLB value between 1-16,
Have the effects that emulsification, dispersion, stabilization, defoaming, resisting starch ageing, adjust viscosity and inhibit crystallization, sucrose fatty ester is in water
In disperse or dissolve, chloroform can be dissolved in, be soluble in ethyl alcohol, the propylene glycol etc. of heat, stablized under weak acid and weak base, under strong acid and strong base
Easily hydrolyze.Due to the saccharose group containing strongly hydrophilic and lipophilic fatty acid group in its molecular structure, so it
With very strong surface-active, there is good emulsification to oil and water, is widely used in food, medicine and daily-use chemical industry neck
Domain has good machining property as in plasticizer application degradative plastics, that is, starch/polycaprolactone blend.
Sucrose fatty ester is in water as the variation of pH value shows different discrete forms: sucrose fatty ester is in pH
It can be evenly spread between value 5-8 and form stable emulsion in water；When the pH value of emulsion is reduced to 5 or less, sugarcane
Sugar fatty acid ester formed semi-solid gelling object be separated from water, when pH value be reduced to 1 hereinafter, sucrose fatty ester precipitating under
Come；When pH value is restored to 7 or more, sucrose fatty ester is distributed in water again, forms good emulsion.
Since present invention employs above-mentioned technical proposals, compared with prior art, have the following beneficial effects:
1. sucrose-fatty ester solution is added in graphene oxide dispersion, agitated to be uniformly mixed, graphene oxide quilt
Sucrose fatty ester uniformly coats, and powdered graphene oxide sucrose fatty ester enriched substance solves powdered oxidation well
Graphene is easy to reunite, and is not easy the problem of dispersing, can be used as auxiliary agent and graphene oxide is easily dispersed other in powder form
In material be applied to macromolecule, the fields such as material, coating, papermaking, be distributed to also can be convenient ethyl alcohol, ethyl acetate, acetone,
In the organic solvents and water such as n-butanol, n,N-Dimethylformamide, N-Methyl pyrrolidone, by graphene oxide with various concentration
Dispersion, be applied to other field.
2. the present invention can get compared with commercially available graphene oxide content is the graphene oxide aqueous dispersions of 0.05-1%
Graphene oxide content is up to 7.87% graphene oxide sucrose fatty ester slurry, upper with convenience in application.
Detailed description of the invention
Fig. 1 is the ultraviolet spectra of supernatant after graphene oxide enrichment front and back and enrichment.
In figure, serial number 1 is the graphene oxide before enrichment, and serial number 2 is graphene oxide sucrose fatty ester enriched substance, sequence
Numbers 3 be the supernatant after enrichment.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described, but technical scope of the invention is not implemented by these
Example limits.
Embodiment 1:
The preparation method of graphene oxide sucrose fatty ester enriched substance, wherein in terms of dry matter, graphene oxide and Sucrose Fatty Acid Ester
Fat acid esters mass ratio is 1:0.05, be the steps include:
Take 0.1% graphene oxide dispersion 100ml, be added dropwise HLB value be 16, the sucrose-fatty ester solution that concentration is 1%
0.5ml, high-speed stirred is uniformly mixed, and adjusts pH to 4, and static 30min, liquid is divided into upper layer and lower layer, is separated through separatory funnel,
Supernatant and lower layer's dope are obtained, lower layer's dope is centrifuged to obtain 1.42g pulpous state graphene oxide sucrose-fatty
Ester enriched substance, the enriched substance grind to obtain the powdered graphene oxide enriched substance of 0.107g through conventional vacuum drying.Aoxidize stone
Black alkene enriched substance has good dispersibility in water, is easy to be diluted to 0.1% dispersion liquid, through ultraviolet-uisible spectrophotometer
Detection, as shown in Figure 1, the graphene oxide dispersion and graphene oxide sucrose fatty ester enriched substance dispersion liquid before enrichment exist
There is C=C key characteristic absorption peak at 230nm, and supernatant no absorption peak at 230nm, illustrate graphene oxide by sucrose fat
Acid esters is effectively enriched with, and separated from the water.In terms of graphene oxide accumulation rate 100%, graphene oxide content is in slurry
7.04%, graphene oxide content is 93.46% in dried object, remaining ingredient is sucrose fatty ester and moisture.
Embodiment 2:
The preparation method of graphene oxide sucrose fatty ester enriched substance, wherein in terms of dry matter, graphene oxide and Sucrose Fatty Acid Ester
Fat acid esters mass ratio is 1:0.01, be the steps include:
Take 0.05% graphene oxide dispersion 100ml, be added HLB value be 11, the sucrose-fatty ester solution that concentration is 0.1%
0.5ml, high-speed stirred is uniformly mixed, and adjusts pH to 2, and static 30min, liquid is divided into upper layer and lower layer, is separated through separatory funnel,
Supernatant and lower layer's dope are obtained, lower layer's dope is centrifuged to obtain 0.635g pulpous state graphene oxide sucrose-fatty
Ester enriched substance, the enriched substance grind to obtain the powdered graphene oxide sucrose fatty ester richness of 0.054g through conventional vacuum drying
Collect object.It is detected through ultraviolet-uisible spectrophotometer, supernatant no C=C key absorption peak at 230nm illustrates graphene oxide quilt
Sucrose fatty ester is effectively enriched with, and separated from the water.In terms of graphene oxide accumulation rate 100%, graphite oxide in slurry
Alkene content is 7.87%, graphene oxide content 92.59% in dried object, remaining ingredient is sucrose fatty ester and moisture.
Embodiment 3:
The preparation method of graphene oxide sucrose fatty ester enriched substance, wherein in terms of dry matter, graphene oxide and Sucrose Fatty Acid Ester
Fat acid esters mass ratio is 1:1, be the steps include:
Take 0.5% graphene oxide dispersion 1000ml, be added HLB value be 15, the sucrose-fatty ester solution that concentration is 1%
500ml, high-speed stirred is uniformly mixed, and adjusts the pH to 0.5 of material, static 30min, and obtained liquid is divided into upper layer and lower layer,
It is separated through separatory funnel, discards supernatant liquid, lower layer's dope is centrifuged to obtain 130.5g pulpous state graphene oxide Sucrose Fatty Acid Ester
Fat acid esters enriched substance, the enriched substance obtain the powdered graphene oxide sucrose fatty ester enriched substance of 10.62g through drying and grinding.
It is detected through ultraviolet-uisible spectrophotometer, supernatant no C=C key absorption peak at 230nm illustrates graphene oxide by sucrose
Aliphatic ester is effectively enriched with, and separated from the water.In terms of graphene oxide accumulation rate 100%, graphene oxide contains in slurry
Amount is 3.83%, graphene oxide content 47.08% in dried object, remaining ingredient is sucrose fatty ester and moisture.
Embodiment 4:
The preparation method of graphene oxide sucrose fatty ester enriched substance, wherein in terms of dry matter, graphene oxide and Sucrose Fatty Acid Ester
Fat acid esters mass ratio is 1:10, be the steps include:
Taking HLB value is 7 sucrose fatty ester 5g, is sufficiently dissolved with 895ml water, and 0.5% graphene oxide dispersion 100ml is added,
High-speed stirred is uniformly mixed, and adjusts the pH to 0.5 of material, and static 30min, obtained liquid is divided into upper layer and lower layer, through liquid separation
Funnel separation, discards supernatant liquid, lower layer's dope is centrifuged to obtain 90.46g pulpous state graphene oxide sucrose fatty ester
Enriched substance, the enriched substance obtain the powdered graphene oxide sucrose fatty ester enriched substance of 6.67g through drying and grinding.Through it is ultraviolet can
See that spectrophotometer detects, supernatant no C=C key absorption peak at 230nm illustrates graphene oxide by sucrose fatty ester
It is effectively enriched with, and separated from the water.In terms of graphene oxide accumulation rate 100%, graphene oxide content is in slurry
0.55%, graphene oxide content 7.50% in dried object, remaining ingredient is sucrose fatty ester and moisture.
Embodiment 5:
The preparation method of graphene oxide sucrose fatty ester enriched substance, wherein in terms of dry matter, graphene oxide and Sucrose Fatty Acid Ester
Fat acid esters mass ratio the steps include: for 1:0.005
Take 0.1% graphene oxide dispersion 1000ml, be added HLB value be 15, the sucrose-fatty ester solution that concentration is 0.1%
5ml, high-speed stirred is uniformly mixed, and adjusts pH to 2, and static 30min, liquid layered is unobvious, by whole materials through centrifugation point
From 86.6g pulpous state graphene oxide sucrose fatty ester enriched substance is obtained, which grinds to obtain through conventional vacuum drying
The powdered graphene oxide enriched substance of 1.14g.Graphene oxide enriched substance has good dispersibility in water, is easy to be diluted to
0.1% dispersion liquid, is detected through ultraviolet-uisible spectrophotometer, as shown in Figure 1, graphene oxide dispersion and oxygen before enrichment
Graphite alkene sucrose fatty ester enriched substance dispersion liquid has C=C key characteristic absorption peak at 230nm, and supernatant is at 230nm
There is no absorption peak, illustrates that graphene oxide is effectively enriched with by sucrose fatty ester, and separated from the water.With graphene oxide richness
Collection rate 100% is counted, and graphene oxide content is 1.15% in slurry, and graphene oxide content is 87.72% in dried object, remaining
Ingredient is sucrose fatty ester and moisture.
The preparation method of the graphene oxide sucrose fatty ester enriched substance of embodiment 1-5, the sucrose fatty ester used
HLB value between 7-16.HLB is lower than 7, and the lipophilicity of sucrose fatty ester enhances, and water dispersible is very poor, is not suitable for as load
Body is enriched with graphene oxide, so the sucrose fatty ester of the preferred HLB value 7-16 of the technical program is as enriched substance carrier.With dry
Substance meter, graphene oxide and sucrose fatty ester mass ratio are 1:0.01~10,4 graphene oxide of embodiment and sucrose fat
Acid esters mass ratio is 1:10, and graphene oxide content is approached with preceding graphene oxide dispersion is not enriched in obtained slurry,
More than this ratio, graphene oxide sucrose fatty ester enriched substance slurry practicability is not as good as graphene oxide dispersion；It is real
For the graphene oxide and sucrose fatty ester mass ratio for applying example 5 lower than 1:0.01, liquid layered is unobvious, is unfavorable for graphite oxide
In order to solve this problem the enrichment of alkene needs for whole materials to be centrifuged, and solid content is very in gained slurry
It is low, it needs to evaporate a large amount of moisture and obtains powdered graphene oxide sucrose fatty ester enriched substance, aoxidized to being prepared on a large scale
Graphene sucrose fatty ester enriched substance needs to increase equipment investment and processing cost, economy is short of, so the technical program
It is preferred that graphene oxide and sucrose fatty ester mass ratio (in terms of dry matter) are 1:0.01~10.Graphene oxide sucrose fat
The condition that acid esters enriched substance is formed is the pH value of material between 0.5-4.PH value is lower than 0.5, and the enriched substance of formation is more
Hard granular precipitate, it is when in use, poor in water and organic solvent dispersion, it is unfavorable for the dispersion again of graphene oxide；
PH value is higher than 4, and the property based on sucrose fatty ester is not easy to be formed gelling object and is effectively enriched with graphene oxide, so this skill
The pH value of the preferred feed for the condition that graphene oxide sucrose fatty ester enriched substance is formed in art scheme is between 0.5-4.
Claims (4)
1. a kind of graphene oxide sucrose fatty ester enriched substance, it is characterised in that: be using sucrose fatty ester as covering or
Precipitating reagent, the mixture that graphene oxide is obtained in a manner of coating or being co-precipitated from water.
2. a kind of preparation method of graphene oxide sucrose fatty ester enriched substance, it is characterised in that: disperse in graphene oxide
In liquid, sucrose-fatty ester solution is added, it is agitated to be uniformly mixed, adjust the pH value of material, sucrose fatty ester and oxidation stone
Black alkene is separated from the water in a manner of coating or be co-precipitated, and it is rich to obtain pulpous state graphene oxide sucrose fatty ester through centrifugal sedimentation
Collect object.
3. the preparation method of graphene oxide sucrose fatty ester enriched substance according to claim 2, it is characterised in that: institute
It states pulpous state graphene oxide sucrose fatty ester enriched substance and obtains Powder Oxidation graphene sucrose fatty ester after drying and grinding
Enriched substance.
4. the preparation method of graphene oxide sucrose fatty ester enriched substance according to claim 2 or 3, feature exist
In: the HLB value of the sucrose fatty ester of addition is 7-16；In terms of dry matter, graphene oxide and sucrose fatty ester matter
Amount is than being 1:0.01~10, and the pH value of the material is between 0.5-4.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128817A (en) * | 2019-05-21 | 2019-08-16 | 三门县鸿远塑业有限公司 | Graphene nylon composite and flexible spectacle-frame |
| CN111470502A (en) * | 2020-04-14 | 2020-07-31 | 南通强生石墨烯科技有限公司 | Graphene disinfectant and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102992309A (en) * | 2012-11-26 | 2013-03-27 | 同济大学 | Method for quickly preparing high-quality graphene oxide solids in large scale |
| CN104591125A (en) * | 2014-12-30 | 2015-05-06 | 广州聚能生物科技有限公司 | Method for dispersing one-dimensional or two-dimensional nanometer material |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102992309A (en) * | 2012-11-26 | 2013-03-27 | 同济大学 | Method for quickly preparing high-quality graphene oxide solids in large scale |
| CN104591125A (en) * | 2014-12-30 | 2015-05-06 | 广州聚能生物科技有限公司 | Method for dispersing one-dimensional or two-dimensional nanometer material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128817A (en) * | 2019-05-21 | 2019-08-16 | 三门县鸿远塑业有限公司 | Graphene nylon composite and flexible spectacle-frame |
| CN110128817B (en) * | 2019-05-21 | 2022-06-10 | 三门县鸿远塑业有限公司 | Graphene and nylon composite flexible glasses frame |
| CN111470502A (en) * | 2020-04-14 | 2020-07-31 | 南通强生石墨烯科技有限公司 | Graphene disinfectant and preparation method thereof |
| CN111470502B (en) * | 2020-04-14 | 2023-03-31 | 南通强生石墨烯科技有限公司 | Graphene disinfectant and preparation method thereof |
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