CN101412776A - Preparation of high strength ionic liquid gel - Google Patents
Preparation of high strength ionic liquid gel Download PDFInfo
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- CN101412776A CN101412776A CNA200810162187XA CN200810162187A CN101412776A CN 101412776 A CN101412776 A CN 101412776A CN A200810162187X A CNA200810162187X A CN A200810162187XA CN 200810162187 A CN200810162187 A CN 200810162187A CN 101412776 A CN101412776 A CN 101412776A
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Abstract
The invention discloses a method for preparing high-strength ionic lyogel. The method is as follows: a monomer, an initiator and a crosslinking agent are added into an ionic liquid for polymerization, and the high-strength ionic lyogel is obtained under the condition that the polymerization temperature is between 50 and 80 DEG C, the polymerization time is between 6 and 12 hours, the mass percent concentration of the monomer in the ionic liquid is between 5 and 30 percent, the amount of the initiator is 0.01 to 0.5 percent of the mass of the monomer, and the amount of the crosslinking agent is 0.1 to 1 percent of the mass of the monomer. The high-strength ionic lyogel prepared by the method can overcome the defects in the prior ionic liquid of low strength, frangibility, poor processability and deforming property and so on because the maximum compression stress of the high-strength ionic lyogel can reach 30 MPa, and becomes a nonaqueous medium material with high mechanical strength, good elasticity and no environmental condition limitation, so that performance guarantee is provided for actual large-scale application of the ionic lyogel in the fields of novel solar cells, lithium cells, super capacitors, artificial muscle, electrochromic devices and so on.
Description
Technical field
The present invention relates to the preparation method of macromolecular compound, relate in particular to a kind of preparation method of high-strength gel of non-aqueous media.
Background technology
Hydrogel as a kind of can be in water swollen crosslinking net polymkeric substance, its distinctive water surrounding provides possibility for cell growth, breeding, thereby be widely used in true tumor investigation of materials and development field, as medicine sustained release, protein adsorption, enzyme fix, circulate absorption, bioseparation, artificial-muscle etc.But the boiling range scope that aqueous solvent is 0～100 ℃ and the prerequisite of water surrounding have limited gel as the application of a kind of new functional materials outside biomaterial.Ionic liquid is compared the character with many uniquenesses with common solvent, as forming, Heat stability is good, almost do not have vapour pressure, specific conductivity height and electrochemical window wide etc. by zwitterion fully, aspects such as chemosynthesis and electrochemistry have been widely applied at present.In organic polymer material, introduce the ionic liquid gel novel material that ionic liquid is prepared, with ortho-water gel phase ratio, except that reticulated structure that possesses hydrogel and environment-responsive, satisfactory stability of ionic liquid own and stronger electroconductibility give gelatinous material some new functions.Have and studies show that ionic liquid gel not only can be used for novel solar battery, lithium cell, ultracapacitor, field such as artificial-muscle and electrochromic device, be used for catalyzed reaction, gas delivery and microwave absorbing but also can be used as functional film material, and be used to detect biomolecules such as glucose, Dopamine HCL as biosensor.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of preparation method of high strength ionic liquid gel is provided.
It is with monomer, initiator, carry out polyreaction in the linking agent adding ionic liquid, polymeric reaction temperature is 50～80 ℃, polymerization reaction time is 6～12 hours, the mass percent that first monomer accounts for total monomer is 70～100%, the mass percent that second monomer accounts for total monomer is 0～30%, the mass percent concentration of monomer in ionic liquid is 5～30%, initiator is azo class or organo-peroxide class, initiator amount is 0.01～0.5% of a monomer mass, linking agent is N, N-methylene radical acrylamide, diallyl amine or two vinylformic acid glycol ester, the consumption of linking agent is 0.1～1% of a monomer mass, obtains high strength ionic liquid gel.
Described first monomer is methyl methacrylate, 2-hydroxyethyl meth acrylate or acrylamide.Second monomer is the 2-hydroxyethyl meth acrylate, 2-hydroxypropylmethyl acrylate or N-N-isopropylacrylamide.The compound of ionic liquid for constituting by positively charged ion and negatively charged ion.Positively charged ion is the alkyl imidazole ion, and alkyl substituent is the alkyl of H or C1～C8.Negatively charged ion comprises BF4-, PF4-, Cl-or Br-.Azo-initiator is Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile), and organic peroxide initiator is dibenzoyl peroxide, ammonium persulphate or Potassium Persulphate.High strength ionic liquid gel is crosslinking net homopolymer or multipolymer.The beneficial effect that the present invention compared with prior art has:
1) solvent that is adopted is an ionic liquid, nontoxic, non-volatility, and melting range is wide, is the green solvent that adapts to various envrionment conditionss;
2) adopting ionic liquid is solvent, and chemical stability is good, the electrochemical stability potential window is wide;
3) adopting ionic liquid is solvent, and a large amount of inorganicss and organism are all had good dissolving ability, is beneficial to the ionic liquid gel that acquisition has various functions such as intelligence, environmental response;
4) adopting ionic liquid is solvent, can improve catalytic activity, transformation efficiency, selectivity and the stability of polyreaction, is beneficial to the target product that obtains controllable structure.
Embodiment
Embodiment 1
Preparation contains [BMIm] BF4 solution 5mL of 5.355g2-hydroxyethyl meth acrylate and 0.0164g Diisopropyl azodicarboxylate, add in the container of making by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, react 12h under 50 ℃ of conditions, promptly obtain high-intensity ionic liquid gel.The cylindrical sample that the synthetic gel is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, results averaged.
Embodiment 2
Preparation contains [BMIm] PF6 solution 5mL of 4.71g methyl methacrylate and 0.0164g 2,2'-Azobis(2,4-dimethylvaleronitrile), add in the container of making by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, react 6h under 80 ℃ of conditions, promptly obtain high-intensity ionic liquid gel.The cylindrical sample that the synthetic gel is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, results averaged.
Embodiment 3
Preparation contains 0.0385g N; [BMIm] Cl solution 25mL of N-methylene radical acrylamide, 0.0041g dibenzoyl peroxide and 1.777g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, results averaged.
Embodiment 4
Preparation contains [BMIm] Br solution 25mL of 0.0164g Diisopropyl azodicarboxylate, 0.6507g2-hydroxypropylmethyl acrylate and 7.108g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 50 ℃ and is obtained the ionic liquid gel product after 12 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, results averaged.
Embodiment 5
Preparation contains [BMIm] Cl solution 25mL of 0.145g diallyl amine, 0.0728g dibenzoyl peroxide and 14.57g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, results averaged.
Embodiment 6
Preparation contains 0.1156g N; [BMIm] Cl solution 25mL of N-methylene radical acrylamide, 0.0123g ammonium persulphate, 0.2665g N-N-isopropylacrylamide and 5.331g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, results averaged.
Embodiment 7
Preparation contains 0.0385g N; [BMIm] Br solution 25mL of N-methylene radical acrylamide, 0.0041g Diisopropyl azodicarboxylate and 1.777g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, and its mean compressive strength is 1MPa.
Embodiment 8
Preparation contains 0.1156g N; [BMIm] Br solution 25mL of N-methylene radical acrylamide, 0.0123g Diisopropyl azodicarboxylate and 5.331g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, and its mean compressive strength is 3.6MPa.
Embodiment 9
Preparation contains 0.1927g N; [BMIm] Br solution 25mL of N-methylene radical acrylamide, 0.0205g Diisopropyl azodicarboxylate and 8.885g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, and its mean compressive strength is 30MPa.
Embodiment 10
Preparation contains [BMIm] Br solution 25mL of 0.0164g Diisopropyl azodicarboxylate, 7.108g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, and its mean compressive strength is 17MPa.
Embodiment 11
Preparation contains 0.1542g N; [BMIm] Br solution 25mL of N-methylene radical acrylamide, 0.0164g Diisopropyl azodicarboxylate and 7.108g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, and its mean compressive strength is 19MPa.
Embodiment 12
Preparation contains [BMIm] Br solution 25mL of 0.0164g Diisopropyl azodicarboxylate, 0.6507g 2-hydroxyethyl meth acrylate and 7.108g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, and its mean compressive strength is 9MPa.
Embodiment 13
Preparation contains 0.1542g N; [BMIm] Br solution 25mL of N-methylene radical acrylamide, 0.0164g Diisopropyl azodicarboxylate, 0.6507g 2-hydroxyethyl meth acrylate and 7.108g acrylamide; add the container of being made by two sheet glass sheets and the thick silicane rubber plate of 2mm with syringe behind the high pure nitrogen bubbling 30min, nitrogen protection is reacted down for 70 ℃ and is obtained the ionic liquid gel product after 8 hours.The cylindrical sample that is cut into the thick 4～7mm of diameter 10mm is carried out compression verification on universal testing machine.Compression speed 10% thickness/min, compression stops automatically during greater than 90% compression ratio.Each sample carries out 5 parallel laboratory tests, and its mean compressive strength is 15MPa.
Claims (8)
1. the preparation method of a high strength ionic liquid gel, it is characterized in that monomer, initiator, carry out polyreaction in the linking agent adding ionic liquid, polymeric reaction temperature is 50～80 ℃, polymerization reaction time is 6～12 hours, the mass percent that first monomer accounts for total monomer is 70～100%, the mass percent that second monomer accounts for total monomer is 0～30%, the mass percent concentration of monomer in ionic liquid is 5～30%, initiator is azo class or organo-peroxide class, initiator amount is 0.01～0.5% of a monomer mass, linking agent is N, N-methylene radical acrylamide, diallyl amine or two vinylformic acid glycol ester, the consumption of linking agent is 0.1～1% of a monomer mass, obtains high strength ionic liquid gel.
2. the preparation method of a kind of high strength ionic liquid gel according to claim 1 is characterized in that described first monomer is methyl methacrylate, 2-hydroxyethyl meth acrylate or acrylamide.
3. the preparation method of a kind of high strength ionic liquid gel according to claim 1 is characterized in that described second monomer is the 2-hydroxyethyl meth acrylate, 2-hydroxypropylmethyl acrylate or N-N-isopropylacrylamide.
4. the preparation method of a kind of high strength ionic liquid gel according to claim 1 is characterized in that the compound of described ionic liquid for being made of positively charged ion and negatively charged ion.
5. the preparation method of a kind of high strength ionic liquid gel according to claim 4 is characterized in that described positively charged ion is the alkyl imidazole ion, and alkyl substituent is the alkyl of H or C1～C8.
6. the preparation method of a kind of high strength ionic liquid gel according to claim 4 is characterized in that described negatively charged ion comprises BF4-, PF4-, Cl-or Br-.
7. the preparation method of a kind of high strength ionic liquid gel according to claim 1, it is characterized in that described azo-initiator is Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile), organic peroxide initiator is dibenzoyl peroxide, ammonium persulphate or Potassium Persulphate.
8. the preparation method of a kind of high strength ionic liquid gel according to claim 1 is characterized in that described high strength ionic liquid gel is crosslinking net homopolymer or multipolymer.
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| CNA200810162187XA CN101412776A (en) | 2008-11-18 | 2008-11-18 | Preparation of high strength ionic liquid gel |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229688A (en) * | 2011-04-13 | 2011-11-02 | 北京理工大学 | Ionic liquid- polyacrylamide gel, preparation method and purpose thereof |
| CN102443188A (en) * | 2011-10-26 | 2012-05-09 | 东北林业大学 | Method for preparing amorphous cellulose aerogel with ionic liquid |
| CN105817272A (en) * | 2015-08-14 | 2016-08-03 | 厦门市科宁沃特水处理科技股份有限公司 | Preparation method of anion-exchange membrane based on ion liquid polymerization |
| CN106397645A (en) * | 2016-09-10 | 2017-02-15 | 上海大学 | Method for preparing acrylic acid type water gel by electro-chemical polymerizing |
| CN106432589A (en) * | 2016-07-28 | 2017-02-22 | 东华大学 | Preparation method for ionic liquid gel with precisely adjustable phase-change temperature |
| CN106632775A (en) * | 2016-09-13 | 2017-05-10 | 西安交通大学 | Preparation method of high-transmittance self-healing ionic liquid gel with good mechanical properties |
| CN112724458A (en) * | 2020-12-11 | 2021-04-30 | 东北电力大学 | Preparation method of graphene composite toughened porous gel electric actuating membrane |
| CN112979892A (en) * | 2019-12-13 | 2021-06-18 | 中国科学院大连化学物理研究所 | Ion conductive gel and preparation method thereof |
| CN113174011A (en) * | 2021-04-21 | 2021-07-27 | 同济大学 | Ant nest-imitating hydrated ionic liquid gel platform and preparation method and application thereof |
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2008
- 2008-11-18 CN CNA200810162187XA patent/CN101412776A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229688A (en) * | 2011-04-13 | 2011-11-02 | 北京理工大学 | Ionic liquid- polyacrylamide gel, preparation method and purpose thereof |
| CN102229688B (en) * | 2011-04-13 | 2013-06-05 | 北京理工大学 | Ionic liquid- polyacrylamide gel, preparation method and purpose thereof |
| CN102443188A (en) * | 2011-10-26 | 2012-05-09 | 东北林业大学 | Method for preparing amorphous cellulose aerogel with ionic liquid |
| CN102443188B (en) * | 2011-10-26 | 2013-03-13 | 东北林业大学 | Method for preparing amorphous cellulose aerogel with ionic liquid |
| CN105817272A (en) * | 2015-08-14 | 2016-08-03 | 厦门市科宁沃特水处理科技股份有限公司 | Preparation method of anion-exchange membrane based on ion liquid polymerization |
| CN106432589A (en) * | 2016-07-28 | 2017-02-22 | 东华大学 | Preparation method for ionic liquid gel with precisely adjustable phase-change temperature |
| CN106397645A (en) * | 2016-09-10 | 2017-02-15 | 上海大学 | Method for preparing acrylic acid type water gel by electro-chemical polymerizing |
| CN106397645B (en) * | 2016-09-10 | 2018-10-23 | 上海大学 | A kind of method that electrochemical polymerization prepares acrylic acid series hydrogel |
| CN106632775A (en) * | 2016-09-13 | 2017-05-10 | 西安交通大学 | Preparation method of high-transmittance self-healing ionic liquid gel with good mechanical properties |
| CN112979892A (en) * | 2019-12-13 | 2021-06-18 | 中国科学院大连化学物理研究所 | Ion conductive gel and preparation method thereof |
| CN112724458A (en) * | 2020-12-11 | 2021-04-30 | 东北电力大学 | Preparation method of graphene composite toughened porous gel electric actuating membrane |
| CN112724458B (en) * | 2020-12-11 | 2023-02-03 | 东北电力大学 | Preparation method of graphene composite toughened porous gel electric actuating membrane |
| CN113174011A (en) * | 2021-04-21 | 2021-07-27 | 同济大学 | Ant nest-imitating hydrated ionic liquid gel platform and preparation method and application thereof |
| CN113174011B (en) * | 2021-04-21 | 2022-02-18 | 同济大学 | Ant nest-imitating hydrated ionic liquid gel platform and preparation method and application thereof |
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Open date: 20090422 |