CN102675508A - Graphene oxide nano composite organic hydrogel and preparation method thereof - Google Patents
Graphene oxide nano composite organic hydrogel and preparation method thereof Download PDFInfo
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- CN102675508A CN102675508A CN2012100015671A CN201210001567A CN102675508A CN 102675508 A CN102675508 A CN 102675508A CN 2012100015671 A CN2012100015671 A CN 2012100015671A CN 201210001567 A CN201210001567 A CN 201210001567A CN 102675508 A CN102675508 A CN 102675508A
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Abstract
The invention discloses graphene oxide nano composite organic hydrogel and a preparation method thereof. The graphene oxide nano composite organic hydrogel is prepared from the following raw materials in percentage by weight: 0.1 to 1.5 percent of graphene oxide, 5 to 17 percent of organic monomer, 0.4 to 0.9 percent of initiating agent, 0.1 to 0.3 percent of catalyst and the balance of deionized water; and the organic monomer is one or any combination of acrylamide, acrylic acid, and N-isopropylacrylamide. According to the graphene oxide nano composite organic hydrogel, the added graphene oxide has the lamellar structure which is similar to that of lithium diatomite, and the surface of graphene oxide has abundant hydroxyl and carboxyl functional groups, so that the graphene oxide can be combined with acrylic acid, acylic acid amide and water; and therefore, the strength and mechanical properties of the hydrogel can be improved, and the defects that the ion type monomers cannot be used by a lithium diatomite system can be overcome.
Description
Technical field
The present invention relates to the compound organic hydrogel of a kind of stannic oxide/graphene nano, relate to a kind of preparation method of this hydrogel simultaneously.
Background technology
Hydrogel be by hydrophilic polymer constitute can be in water swelling and keep large quantity of moisture and not dissolved cross-linked network.Swellable is to certain volume in water for they, and water-break deswelling under certain condition is that a class set suction, water conservation, controlled release are in the functional high molecule material of one.And the intensity of hydrogel has very big influence to its range of application.At present, aspect raising hydrogel intensity, mainly contain topological framework hydrogel, nanostructure hydrogel, double-network hydrogel.Wherein nano-hydrogel to have the preparation method simple, the advantage of favorable repeatability.But the main lithium algae of present spendable nanoparticle soil, but when lithium algae soil be nano material, the organic monomer of being selected for use must be the monomer of non-ionic type, and the hydrogel intensity of preparation is still waiting raising.
Summary of the invention
The purpose of this invention is to provide the compound organic hydrogel of the higher stannic oxide/graphene nano of a kind of intensity.
In order to realize above purpose; The technical scheme that the compound organic hydrogel of stannic oxide/graphene nano of the present invention is adopted is: the compound organic hydrogel of a kind of stannic oxide/graphene nano; Be to process: graphene oxide 0.1～1.5%, organic monomer 5～17%, initiator 0.4～0.9% by following raw materials by weight percent; Catalyzer 0.1～0.3%, surplus are deionized water; Said organic monomer is a kind of or its arbitrary combination in acrylic amide, vinylformic acid, the N-NSC 11448.
The weight percent of said graphene oxide is 1.0～1.2%.
Said initiator is Potassium Persulphate or ammonium persulphate.
Said catalyzer is a Tetramethyl Ethylene Diamine.
Wherein graphene oxide adopts conventional hummers method preparation; Provide the hummers method below and help to understand technical scheme of the present invention: in beaker, add the vitriol oil, graphite and SODIUMNITRATE; In ice bath, be cooled to 0 ℃～4 ℃; Agitation condition slowly adds potassium permanganate down, makes reacting liquid temperature below 20 ℃ in this process; Then with beaker as in 35 ℃ of waters bath with thermostatic control, continue to stir 0.5～1h; Under agitation condition, slowly add entry, make reacting liquid temperature reach 98 ℃～100 ℃, continue to stir 15min～60min; Last water adds the excessive oxidation aqueous solution of hydrogen with reaction solution dilution back, obtains graphene oxide after washing, filtering.
The compound organic hydrogel of stannic oxide/graphene nano of the present invention adopts following method preparation:
1) graphene oxide of getting formula ratio joins in the deionized water, and ultra-sonic dispersion evenly obtains the graphene oxide dispersion liquid;
2) organic monomer of adding formula ratio in the graphene oxide dispersion liquid stirs, and removes the oxygen in the solution;
3) initiator and the catalyzer that add formula ratio reacted 48 hours down in 10～30 ℃, obtained the compound organic hydrogel of stannic oxide/graphene nano.
The step 1) ultrasonic time is 2～3 hours.
Step 2) temperature that adds fashionable system of said organic monomer is 0～15 ℃.
Step 2) adopt feeding nitrogen to remove oxygen.
The compound organic hydrogel of stannic oxide/graphene nano of the present invention; The graphene oxide that adds have with lithium algae great soil group like laminated structure; The surface of simultaneous oxidation Graphene has abundant hydroxyl and carboxyl functional group; Can good keying action be arranged with vinylformic acid, acrylic acid amides and glassware for drinking water, can improve the intensity and the mechanical property of hydrogel, can overcome the shortcoming that lithium algae soil body system can not use ionic comonomer simultaneously.
Embodiment
Below in conjunction with specific embodiments technical scheme of the present invention is carried out brightly specifically, but this does not limit technical scheme of the present invention.
The compound organic hydrogel of stannic oxide/graphene nano is to be processed by following raw materials by weight percent: graphene oxide 0.1～1.5%, and organic monomer 5～17%, Potassium Persulphate 0.4～0.9%, Tetramethyl Ethylene Diamine 0.1～0.3%, surplus is a deionized water; Said organic monomer is a kind of or its arbitrary combination in acrylic amide, vinylformic acid, the N-NSC 11448; Wherein graphene oxide can adopt conventional hummers method preparation.Concrete preparation method is following:
1) gets a certain amount of graphene oxide (account for hydrogel total mass 0.1～1.5%) and be distributed in the deionized water, made its homodisperse, and obtained dispersion liquid in ultrasonic 2 hours;
2) the homodisperse dispersion liquid water-bath that contains graphene oxide of gained is cooled to 15 ℃, add 5%～17% the organic monomer (acrylic amide, N-NSC 11448 or acrylic acid one or more mixtures) account for the hydrogel total mass, stir; The oxygen that logical then nitrogen was removed in the system in 15 minutes;
3) in system, add initiator potassium persulfate (account for hydrogel total mass 0.4～0.9%); Tetramethyl-diethylamine (account for hydrogel total mass 0.1～0.3%); Then reaction solution is packed into and react the grinding tool sealing; Reacted 48 hours down at 15 ℃～30 ℃, get the compound organic hydrogel of product stannic oxide/graphene nano.
Followingly provided 7 specific embodiments according to above-mentioned specific embodiments, the specific embodiment parameter is selected and the tensile strength of hydrogel is asked for an interview shown in the table 1:
The tensile strength of selection of table 1 embodiment 1～7 controlled variable and hydrogel
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Deionized water | 82.4％ | 92.3％ | 81.0％ | 80.8％ | 81.0％ | 81.0％ | 83.0％ |
| Graphene oxide | 0.1％ | 1.5％ | 1.0％ | 1.2％ | 1.0％ | 1.0％ | 1.0％ |
| Acrylic amide | 17.0％ | 5.0％ | 10.0％ | 10.0％ | 10.0％ | 17.0％ | 15.0％ |
| The N-NSC 11448 | 0 | 0 | 0 | 7.0％ | 4.0％ | 0 | 0 |
| Vinylformic acid | 0 | 0 | 7.0％％ | 0 | 3 | 0 | 0 |
| Potassium Persulphate | 0.4％ | 0.9％ | 0.8％ | 0.8％ | 0.8％ | 0.8％ | 0.8％ |
| Tetramethyl Ethylene Diamine | 0.1％ | 0.3％ | 0.2％ | 0.2％ | 0.2％ | 0.2％ | 0.2％ |
| Polymerization temperature/℃ | 30 | 15 | 30 | 27 | 20 | 30 | 30 |
| Tensile strength/KPa | 83 | 71 | 114 | 107 | 119 | 125 | 101 |
Can find out from table 1; Added graphene oxide in the compound organic hydrogel of stannic oxide/graphene nano of the present invention; Improved the intensity of hydrogel, its tensile strength is increased to more than the 70KPa, particularly the graphene oxide add-on is 1.0～1.2% o'clock; Its tensile strength can reach more than the 100KPa, is up to 125KPa.
Claims (9)
1. compound organic hydrogel of stannic oxide/graphene nano; It is characterized in that: be to process: graphene oxide 0.1～1.5%, organic monomer 5～17%, initiator 0.4～0.9% by following raw materials by weight percent; Catalyzer 0.1～0.3%, surplus are deionized water; Said organic monomer is a kind of or its arbitrary combination in acrylic amide, vinylformic acid, the N-NSC 11448.
2. the compound organic hydrogel of stannic oxide/graphene nano according to claim 1 is characterized in that: the weight percent of said graphene oxide is 1.0～1.2%.
3. the compound organic hydrogel of stannic oxide/graphene nano according to claim 1 and 2 is characterized in that: said initiator is Potassium Persulphate or ammonium persulphate.
4. the compound organic hydrogel of stannic oxide/graphene nano according to claim 1 and 2 is characterized in that: said catalyzer is a Tetramethyl Ethylene Diamine.
5. the compound organic hydrogel of stannic oxide/graphene nano according to claim 1 and 2 is characterized in that: said graphene oxide adopts the preparation of hummers method.
6. preparation method of the compound organic hydrogel of stannic oxide/graphene nano according to claim 1, it is characterized in that: its step is following:
1) graphene oxide of getting formula ratio joins in the deionized water, and ultra-sonic dispersion evenly obtains the graphene oxide dispersion liquid;
2) organic monomer of adding formula ratio in the graphene oxide dispersion liquid stirs, and removes the oxygen in the solution;
3) initiator and the catalyzer that add formula ratio reacted 48 hours down in 10～30 ℃, obtained the compound organic hydrogel of stannic oxide/graphene nano.
7. according to the preparation method of the compound organic hydrogel of the said stannic oxide/graphene nano of claim 6, it is characterized in that: the step 1) ultrasonic time is 2～3 hours.
8. according to the preparation method of the compound organic hydrogel of the said stannic oxide/graphene nano of claim 6, it is characterized in that: step 2) temperature that adds fashionable system of said organic monomer is 0～15 ℃.
9. according to the preparation method of the compound organic hydrogel of the said stannic oxide/graphene nano of claim 6, it is characterized in that: step 2) adopt feeding nitrogen to remove oxygen.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120787A (en) * | 2011-01-13 | 2011-07-13 | 东华大学 | Preparation method of graphene/N-isopropylacrylamide composite microgel |
-
2012
- 2012-01-04 CN CN2012100015671A patent/CN102675508A/en active Pending
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|---|---|---|---|---|
| CN102120787A (en) * | 2011-01-13 | 2011-07-13 | 东华大学 | Preparation method of graphene/N-isopropylacrylamide composite microgel |
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Application publication date: 20120919 |