CN108250361A - A kind of composite hydrogel and its preparation method and application - Google Patents
A kind of composite hydrogel and its preparation method and application Download PDFInfo
- Publication number
- CN108250361A CN108250361A CN201611228089.2A CN201611228089A CN108250361A CN 108250361 A CN108250361 A CN 108250361A CN 201611228089 A CN201611228089 A CN 201611228089A CN 108250361 A CN108250361 A CN 108250361A
- Authority
- CN
- China
- Prior art keywords
- xanthans
- composite hydrogel
- composite
- polymerisation
- hydroxyapatite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
Abstract
The invention discloses a kind of composite hydrogels and its preparation method and application, are prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully adds in methyl acrylate and maleic anhydride after dissolving, be sufficiently stirred addition initiator ammonium persulfate, then add in hydroxyapatite and be stirred to react, finally, addition triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, obtained hydrogel is taken out into drying to get the composite hydrogel.Composite hydrogel provided by the invention can be with the trivalent chromium and hexavalent chromium in Adsorption water body.
Description
Technical field
The invention belongs to Material Fields, and in particular to a kind of composite hydrogel and its preparation method and application.
Background technology
With industrialized development, heavy metal（Such as lead, copper, cadmium）It is present in water body, air and soil in a variety of manners
In be finally enriched in human body without being degraded, and by food chain.Wherein, the heavy metal contaminants in water body can be more directly
Harm is generated to human body, therefore extremely urgent stage has been arrived to the improvement of Heavy Metals in Waters pollution.At present, many sides
Method is all used for the treatment of the heavy metal pollution in water body, as inverse osmosis, chemical precipitation, electrolysis, ultrafiltration, flocculation and ion are handed over
It changes.Hydrogel is a kind of polymer material with three-dimensional net structure, and as water-saving material, intellectual drug discharges carrier,
Nano-reactor and remove water body in heavy metal ion, organic pollution, fuel high-efficiency adsorbent.On hydrogel backbone
Hydrophilic radical（- COOH ,-COO ,-NH2 and-OH）There is very high affinity to pollutant, make hydrogel adsorbent
Have the advantages that the rate of adsorption is fast and adsorption capacity is high.In addition, hydrogel by the modification of group on skeleton and can be prepared into multiple
Object is closed to improve the adsorption capacity of metal ion and expand purposes.In numerous Hydrogels adsorbents, because of polysaccharide based aquagel
Cause the extensive concern of people with the characteristics such as recyclability, biodegradable, nontoxic.
Invention content
The object of the present invention is to provide a kind of composite hydrogels and its preparation method and application.
Above-mentioned purpose is achieved by the following technical solution：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Preferably, the mass percentage of the xanthans in deionized water is 25-45%.
Preferably, the mass ratio of the xanthans and methyl acrylate is 4-8:1.
Preferably, the mass ratio of the xanthans and maleic anhydride is 7-9:1.
Preferably, ammonium persulfate additive amount is xanthans 0.4-0.8%.
Preferably, the quality of hydroxyapatite is 2-4 times of xanthans.
Preferably, triethylamine additive amount is xanthans 0.4-0.8%.
Preferably, polymeric reaction temperature is 65-85 DEG C.
Application of the above-mentioned composite hydrogel in terms of absorption trivalent chromium and Cr VI.
Beneficial effects of the present invention：
Composite hydrogel provided by the invention can be with the trivalent chromium and hexavalent chromium in Adsorption water body.
Specific embodiment
Intend specifically introducing the technical solution of the invention below by specific embodiment.
Embodiment 1：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 35%；The xanthans and methyl acrylate
Mass ratio be 6:1；The mass ratio of the xanthans and maleic anhydride is 8:1；Ammonium persulfate additive amount is xanthans
0.6%；The quality of hydroxyapatite is 3 times of xanthans；Triethylamine additive amount is xanthans 0.6%.
Wherein, polymeric reaction temperature is 75 DEG C.
Embodiment 2：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 25%；The xanthans and methyl acrylate
Mass ratio be 4:1；The mass ratio of the xanthans and maleic anhydride is 7:1；Ammonium persulfate additive amount is xanthans
0.4%；The quality of hydroxyapatite is 2 times of xanthans；Triethylamine additive amount is xanthans 0.4%.
Wherein, polymeric reaction temperature is 65 DEG C.
Embodiment 3：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 45%；The xanthans and methyl acrylate
Mass ratio be 8:1；The mass ratio of the xanthans and maleic anhydride is 9:1；Ammonium persulfate additive amount is xanthans
0.8%；The quality of hydroxyapatite is 4 times of xanthans；Triethylamine additive amount is xanthans 0.8%.
Wherein, polymeric reaction temperature is 85 DEG C.
Embodiment 4：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 30%；The xanthans and methyl acrylate
Mass ratio be 6:1；The mass ratio of the xanthans and maleic anhydride is 8:1；Ammonium persulfate additive amount is xanthans
0.6%；The quality of hydroxyapatite is 3 times of xanthans；Triethylamine additive amount is xanthans 0.6%.
Wherein, polymeric reaction temperature is 75 DEG C.
Embodiment 5：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 40%；The xanthans and methyl acrylate
Mass ratio be 6:1；The mass ratio of the xanthans and maleic anhydride is 8:1；Ammonium persulfate additive amount is xanthans
0.6%；The quality of hydroxyapatite is 3 times of xanthans；Triethylamine additive amount is xanthans 0.6%.
Wherein, polymeric reaction temperature is 75 DEG C.
Embodiment 6：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 35%；The xanthans and methyl acrylate
Mass ratio be 5:1；The mass ratio of the xanthans and maleic anhydride is 8:1；Ammonium persulfate additive amount is xanthans
0.6%；The quality of hydroxyapatite is 3 times of xanthans；Triethylamine additive amount is xanthans 0.6%.
Wherein, polymeric reaction temperature is 75 DEG C.
Embodiment 7：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 35%；The xanthans and methyl acrylate
Mass ratio be 7:1；The mass ratio of the xanthans and maleic anhydride is 8:1；Ammonium persulfate additive amount is xanthans
0.6%；The quality of hydroxyapatite is 3 times of xanthans；Triethylamine additive amount is xanthans 0.6%.
Wherein, polymeric reaction temperature is 75 DEG C.
Embodiment 8：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 35%；The xanthans and methyl acrylate
Mass ratio be 6:1；The mass ratio of the xanthans and maleic anhydride is 8:1；Ammonium persulfate additive amount is xanthans
0.5%；The quality of hydroxyapatite is 3 times of xanthans；Triethylamine additive amount is xanthans 0.6%.
Wherein, polymeric reaction temperature is 75 DEG C.
Embodiment 9：
A kind of composite hydrogel, is prepared by the following method：It accurately weighs xanthans to be dissolved in deionized water, fully after dissolving
Methyl acrylate and maleic anhydride are added in, is sufficiently stirred addition initiator ammonium persulfate, hydroxyapatite is then added in and stirs
Reaction is mixed, finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；After the completion of polymerisation, it will obtain
Hydrogel take out drying to get the composite hydrogel.
Wherein, the mass percentage of the xanthans in deionized water is 35%；The xanthans and methyl acrylate
Mass ratio be 6:1；The mass ratio of the xanthans and maleic anhydride is 8:1；Ammonium persulfate additive amount is xanthans
0.7%；The quality of hydroxyapatite is 3 times of xanthans；Triethylamine additive amount is xanthans 0.6%.
Wherein, polymeric reaction temperature is 75 DEG C.
Composite hydrogel provided by the invention can be with the trivalent chromium and hexavalent chromium in Adsorption water body.
The effect of above-mentioned specific embodiment indicates that the essentiality content of the invention, but do not limit this hair with this
The protection domain of bright creation.Simply modification or equivalent replacement are carried out to the technical solution of the invention, without departing from this hair
It is bright to create the essence of technical solution, thus necessarily fall into the protection domain of the invention.
Claims (9)
1. a kind of composite hydrogel, which is characterized in that be prepared by the following method：Accurately weighing xanthans is dissolved in deionized water
In, methyl acrylate and maleic anhydride fully are added in after dissolving, addition initiator ammonium persulfate is sufficiently stirred, then adds in
Hydroxyapatite is stirred to react, and finally, adds in triethylamine stirring；Mixed liquor is placed in baking oven and carries out polymerisation；Polymerisation
After the completion, obtained hydrogel is taken out into drying to get the composite hydrogel.
2. composite hydrogel according to claim 1, it is characterised in that：The quality hundred of the xanthans in deionized water
It is 25-45% to divide content.
3. composite hydrogel according to claim 1, it is characterised in that：The mass ratio of the xanthans and methyl acrylate
For 4-8:1.
4. composite hydrogel according to claim 1, it is characterised in that：The quality of the xanthans and maleic anhydride
Than for 7-9:1.
5. composite hydrogel according to claim 1, it is characterised in that：Ammonium persulfate additive amount is xanthans 0.4-
0.8%。
6. composite hydrogel according to claim 1, it is characterised in that：The quality of hydroxyapatite is 2-4 times of xanthans.
7. composite hydrogel according to claim 1, it is characterised in that：Triethylamine additive amount is xanthans 0.4-0.8%.
8. composite hydrogel according to claim 1, it is characterised in that：Polymeric reaction temperature is 65-85 DEG C.
9. application of any composite hydrogels of claim 1-8 in terms of absorption trivalent chromium and Cr VI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611228089.2A CN108250361A (en) | 2016-12-28 | 2016-12-28 | A kind of composite hydrogel and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611228089.2A CN108250361A (en) | 2016-12-28 | 2016-12-28 | A kind of composite hydrogel and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108250361A true CN108250361A (en) | 2018-07-06 |
Family
ID=62719056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611228089.2A Pending CN108250361A (en) | 2016-12-28 | 2016-12-28 | A kind of composite hydrogel and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108250361A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643049A (en) * | 2022-05-24 | 2022-06-21 | 山东石油化工学院 | Preparation method of organic chelating agent doped biochar composite hydrogel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264321A (en) * | 1997-05-13 | 2000-08-23 | 普渡研究基金会 | Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strenght, and superabsorbent properties |
| CN101704927A (en) * | 2009-10-16 | 2010-05-12 | 陕西科技大学 | Preparation method of sepiolite/xanthan gum compound flocculant |
| CN102492093A (en) * | 2011-12-02 | 2012-06-13 | 宁夏医科大学 | Preparation method and application of ultra-porous hydrogel containing natural plant polysaccharide |
| CN103387646A (en) * | 2013-07-19 | 2013-11-13 | 东华大学 | Preparation method for hydroxylapatite hydrogel used for bone regeneration |
| CN103724633A (en) * | 2012-10-15 | 2014-04-16 | 中国科学院兰州化学物理研究所 | Granular hydrogel |
-
2016
- 2016-12-28 CN CN201611228089.2A patent/CN108250361A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264321A (en) * | 1997-05-13 | 2000-08-23 | 普渡研究基金会 | Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strenght, and superabsorbent properties |
| CN101704927A (en) * | 2009-10-16 | 2010-05-12 | 陕西科技大学 | Preparation method of sepiolite/xanthan gum compound flocculant |
| CN102492093A (en) * | 2011-12-02 | 2012-06-13 | 宁夏医科大学 | Preparation method and application of ultra-porous hydrogel containing natural plant polysaccharide |
| CN103724633A (en) * | 2012-10-15 | 2014-04-16 | 中国科学院兰州化学物理研究所 | Granular hydrogel |
| CN103387646A (en) * | 2013-07-19 | 2013-11-13 | 东华大学 | Preparation method for hydroxylapatite hydrogel used for bone regeneration |
Non-Patent Citations (1)
| Title |
|---|
| 殷晓春等: "《高分子改性黄原胶/羟基磷灰石复合水凝胶的制备及其吸附金属离子性能》", 《环境科学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643049A (en) * | 2022-05-24 | 2022-06-21 | 山东石油化工学院 | Preparation method of organic chelating agent doped biochar composite hydrogel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103894407B (en) | A kind of method of restoration of soil polluted by heavy metal | |
| Hui et al. | Preparation of PVA hydrogel beads and adsorption mechanism for advanced phosphate removal | |
| Yu et al. | Enhanced and selective adsorption of Pb2+ and Cu2+ by EDTAD-modified biomass of baker’s yeast | |
| CN103894395B (en) | A kind of method that heavy-metal contaminated soil secondary is repaired | |
| Solisio et al. | Copper removal by dry and re-hydrated biomass of Spirulina platensis | |
| CN105036355B (en) | A kind of biological cleaning carrier for wastewater treatment | |
| CN110898812A (en) | Preparation method and application of novel magnetic microalgae-based complexing agent | |
| CN105753128A (en) | Polyacrylamide heavy metal flocculating agent and method for preparing same | |
| CN104649398A (en) | Organic polymer heavy metal chelating flocculant as well as preparation method and application thereof | |
| CN109942874B (en) | Composite sponge for heavy metal sewage treatment and preparation method thereof | |
| CN102872841B (en) | Sulfydryl-containing magnetic hydrogel and method and application for sulfydryl-containing magnetic hydrogel | |
| CN105537260A (en) | Synchronous soil heavy-metal Zn and Cr stabilizing remediation method | |
| CN105289543B (en) | Have carboxyl and hydroxyl and load nano hydrated zirconium oxide composite aquogel, prepare and apply | |
| CN108250361A (en) | A kind of composite hydrogel and its preparation method and application | |
| CN114870813B (en) | Preparation of non-swelling cellulose-based composite hydrogel and method for adsorbing heavy metal ions | |
| CN108993425B (en) | Composite biological adsorbent and application thereof | |
| CN110124638A (en) | The chitosan of grafted by quaternary ammonium group and biological carbon composite and its preparation method and application | |
| Siwi et al. | Effect of immobilized biosorbents on the heavy metals (Cu2+) biosorption with variations of temperature and initial concentration of waste | |
| CN109701488A (en) | A method of heavy metal absorbent is prepared using industrial waste | |
| Khalid et al. | Kinetic & equilibrium modelling of copper biosorption | |
| CN107583597B (en) | Preparation method and application of mesoporous iron oxyhydroxide Cr (VI) adsorbent | |
| CN105536711A (en) | Preparation method of cellulose-grafted-poly(acrylic acid hydrazide) heavy metal efficient adsorbent | |
| CN108014759A (en) | A kind of preparation method of biological cleaning carrier for wastewater treatment | |
| CN109650593A (en) | A kind of method for the treatment of city waste water | |
| CN108211810A (en) | A kind of preparation method of strong absorption heavy metal trithiocyanuric acid trisodium salt film and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180706 |
|
| WD01 | Invention patent application deemed withdrawn after publication |