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
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- 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
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- xanthans
- composite hydrogel
- composite
- polymerisation
- hydroxyapatite
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- 239000000017 hydrogel Substances 0.000 title claims abstract description 57
- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 78
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims abstract description 69
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims abstract description 46
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 23
- 239000008367 deionised water Substances 0.000 claims abstract description 23
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 23
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims abstract description 23
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 23
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000003999 initiator Substances 0.000 claims abstract description 12
- 239000011651 chromium Substances 0.000 claims abstract description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 239000000654 additive Substances 0.000 claims description 22
- 230000000996 additive effect Effects 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 239000003463 adsorbent Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Medicinal Preparation (AREA)
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 |
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| CN201611228089.2A CN108250361A (en) | 2016-12-28 | 2016-12-28 | A kind of composite hydrogel and its preparation method and application |
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| 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 |
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| CN108250361A true CN108250361A (en) | 2018-07-06 |
Family
ID=62719056
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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 |
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