CN1872911A - Method for preparing transparent hybridization material of polymetal oxygen cluster / polymer - Google Patents
Method for preparing transparent hybridization material of polymetal oxygen cluster / polymer Download PDFInfo
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- CN1872911A CN1872911A CN 200610016854 CN200610016854A CN1872911A CN 1872911 A CN1872911 A CN 1872911A CN 200610016854 CN200610016854 CN 200610016854 CN 200610016854 A CN200610016854 A CN 200610016854A CN 1872911 A CN1872911 A CN 1872911A
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Abstract
This invention relates to a method for preparing transparent multi-metal oxide cluster/polymer hybrid material. The method comprises: (1) synthesizing a polymerizable cation surfactant; (2) performing static wrapping of the polymerizable cation surfactant onto multi-metal oxide cluster to obtain polymerizable organic/inorganic composite; (3) copolymerizing with polymer monomer to obtain transparent hybrid material. The polymerizable cation surfactant can modify the multi-metal oxide cluster and transfer it into the organic phase while maintaining its properties by static wrapping, and can covalently link with the polymer chain through the polymerizable groups, thus can realize molecular-scale hybridation of multi-metal oxide cluster and polymer, and effectively improve their compatibility. The hybrid material can be used to prepare optical devices having fluorescent, optical filtering and anti-UV radiation properties.
Description
Technical field
The invention belongs to chemical industry and material field, be specifically related to a kind of preparation method of transparent multi-metal oxide cluster hybrid material, the gained material can have the optics of performances such as fluorescence, optical filtering, anti-ultraviolet radiation with preparation.
Background technology
Since 20 beginnings of the century, the research and the application of macromolecular material obtain fast development, and because of its good processing and mechanical property, and become present widely used material system.In 20 end of the centurys, perfect day by day along with nanosecond science and technology emerges a lot of novel methods and improves high molecular performance, so that it can be applied in field widely.Wherein, an important guiding theory is incorporated into Polymer Systems with inorganic functional primitive hydridization exactly, seeks more excellent synergisticing performance.Multi-metal oxygen cluster is the inorganic clusters compound of a class nano-scale, and they have various topological framework and chemical constitution, and show great potential in fields such as catalysis, proton conduction, optics, medicine, magnetic.Yet multi-metal oxygen cluster is low with intensity, the pH value stabilization is poor, very easily by deficiencies such as water dissolution, and these have limited its application in the material field significantly.Multi-metal oxygen cluster is incorporated into polymer base material, is expected to obtain to integrate functional and hybrid material workability, be subjected to extensive concern.But multi-metal oxygen cluster has the exhibiting high surface electric charge, and is poor with polymer-polymer miscibility, is difficult to by mechanical means and the even blend of macromolecular material.Though cationic polyelectrolyte can be fine in conjunction with multi-metal oxygen cluster, can't obtain practical resin and plastics.For above-mentioned reasons, multi-metal oxygen cluster seldom is introduced in Polymer Systems.Except that mechanical blending, in the world latest report the method for chemical hydridization, i.e. covalently bound polymerizable groups on the reaction site of some multi-metal oxygen clusters then with these groups and high polymer monomer copolymerization, thereby obtains hybrid material.Though this method has greatly been improved the consistency of multi-metal oxygen cluster and macromolecular material, its narrow application range, the multi-metal oxygen cluster that minority can only be contained reaction site is aggregated in the polymer, and a lot of functional multi-metal oxygen cluster does not possess these reaction site.Therefore, demand urgently developing a kind of blanket, and can reach multi-metal oxygen cluster homodisperse hydridization method in polymer.
It is to modify inorganic primitive and with the effective means of its surface modification that the static of tensio-active agent coats, and to introduce inorganic primitive then be the important guiding theory of constructing type material to hydridization in polymer base material.The present invention with above both organically combine, the mating surface promoting agent is modified and the polymer bulk polymerization, the novel method of the transparent hybrid material of a kind of blanket preparation multi-metal oxygen cluster/polymer is provided, its inventive point is surfactant modified and the combination polymer bulk polymerization, thereby impel multi-metal oxygen cluster single discrete distribution in hybrid material, overcome being separated in traditional mechanical blending process.
Summary of the invention
The purpose of this invention is to provide the method that a kind of preparation has the multi-metal oxide cluster hybrid material of high transparent, and common multi-metal oxygen cluster and high molecular free radical polymerization system all generally are suitable for.
The present invention is achieved by the following technical solutions: polymerizable groups is connected on the surfactant molecule by chemical reaction, synthesize polymerizable surfactants, utilize this tensio-active agent to coat multi-metal oxygen cluster again and make polymerisable mixture by static, at last mixture is dissolved in high polymer monomer, by the hybrid material of free-radical polymerized acquisition high transparent.
The present invention includes following technological step: 1) the polymerizable cats product is synthetic; 2) polymerizable cats product static coats multi-metal oxygen cluster and makes polymerizable; 3) polymerizable and high polymer monomer obtain transparent hybrid material by free-radical polymerized.
1) the polymerizable cats product is synthetic
The polymerizable cats product that this patent relates to is made up of hydrophilic, hydrophobic two portions.Wherein, water-wet side is quaternary ammonium salt or pyridinium salt cation group; The hydrophobic side is then for having the alkyl chain of polymerizable groups.
The synthetic of polymerizable cats product can be divided into for two steps, and at first by esterification, the polymerizable groups that will contain acyl chlorides or carboxyl is covalently bound on hydroxy halogeno alkane or oxyamine, generated the haloalkane or the amine that contain polymerizable group; By quaternary ammonium salinization, make the polymerizable cats product again to the halo group.Polymerizable groups is double bond containing organic group, for example acrylate-based, α-Jia Jibingxisuan ester group, 4-vinylbenzene ester group etc., and these groups are bonded directly to the hydrophobic side of tensio-active agent by chemical reaction.Object lesson is referring to embodiment 1-1,1-2 and 1-3.
2) polymerizable cats product static coats multi-metal oxygen cluster and makes polymerizable
The synthetic method of multi-metal oxygen cluster is simple, and part has become the industrialization commodity, directly uses as raw material in this patent, referring to embodiment 2 series.The multi-metal oxygen cluster diverse in function is as Na
9EuW
10O
36Has the high-efficiency fluorescence characteristic; K
8Co
2W
12O
42Show green, K
6CoSiW
11O
39Show pink, can be used as pigment.In practice, can select multi-metal oxygen cluster of different nature to coat as required.
The polymerizable cats product is dissolved in the chloroform (organic solvents such as methylene dichloride, benzene or toluene), and concentration is 2～4 mg/ml.Multi-metal oxygen cluster to be coated is soluble in water, and concentration is 1～5 mg/ml.Control the two consumption, making the ratio of the total charge number of the total charge number of tensio-active agent and multi-metal oxygen cluster is 0.85～0.96: 1, and wherein the total charge number equals the individual molecule charge number and multiply by molar weight, to guarantee that tensio-active agent consumption is complete in the coating process.Under whipped state, the organic solution of tensio-active agent is added drop-wise in the multi-metal oxygen cluster aqueous solution.After continue stirring certain hour (1～10 hour), the multi-metal oxygen cluster of aqueous phase by phase transition in organic phase.With separating funnel organic phase is told, organic phase washes with water 2～5 times again, adds anhydrous sodium sulphate (/ 100 milliliters of 0.2～0.5 grams) drying treatment.Filter at last and solvent evaporated, obtain polymerisable mixture.The gained mixture dissolves in common organic medium, as chloroform, benzene, toluene etc., and can be in organic medium stable existence.
3) polymerizable and high polymer monomer obtain transparent hybrid material by free-radical polymerized
The high polymer monomer that is fit to this patent is common radical polymerization high polymer monomer, as monomers such as methyl methacrylate, vinylbenzene.
Acquired polymerizable is dissolved in the high polymer monomer, and the mass content of mixture is 1～10% in the reaction system, in the moulds such as glass guide channel of injecting tube or sealing.In the presence of radical initiator (as Diisopropyl azodicarboxylate etc.), initiator quality percentage composition is 0.1～0.3%, is warming up to about 50～55 ℃ pre-polymerization 2～4 hours earlier.Slowly be warming up to 60～65 ℃ with 1～2 ℃/minute speed then, continue polymerization 6～12 hours.Solidified 12～24 hours at 80～85 ℃ at last, die sinking promptly gets transparent hybrid material.
The present invention modifies tensio-active agent static with the free radical mass polymerization and organically combines, adopt polymerizable cats product static coated inorganic multi-metal oxygen cluster, realize the transfer of multi-metal oxygen cluster, and form polymerisable organic/inorganic composite to organic phase; In conjunction with the free radical bulk polymerization, mixture is dissolved in the high polymer monomer again, obtains transparent multi-metal oxygen cluster/polymer hybridisation material by copolymerization.In the material preparation process, polymerisable surfactant has played critical effect, coats by static on the one hand, is keeping under the constant situation of multi-metal oxygen cluster self functional performance, to its surface modification and be transferred in the organic phase; Link to each other with the covalency of polymer segment by polymerizable groups on the other hand, realized multi-metal oxygen cluster and polymkeric substance hydridization, thereby effectively improved the consistency between each component of hybrid material, overcome the behavior that is separated in the mechanically mixing at molecular scale.
Description of drawings
Fig. 1: the synoptic diagram of the whole preparation process of hybrid material;
Fig. 2: K
8Co
2W
12O
42The infrared spectra of/DMDA mixture before and after polymerization
Fig. 3: K
8Co
2W
12O
42The transmission electron microscope photo of/DMDA/PMMA hybrid material;
Fig. 4: K
8Co
2W
12O
42/ DMDA/PMMA and K
6CoSiW
11O
39The optical photograph of/DMDA/PMMA hybrid material.
Fig. 1 has described polymerizable cats product static and has coated multi-metal oxygen cluster, forms polymerisable organic/inorganic composite, reaction process such as this mixture continuation and high polymer monomer copolymerization hybrid material.Wherein, 1 expression polymerizable cats product, circular portion is the positively charged ion head, rectangle part is a polymerizable groups; 2 expression multi-metal oxygen clusters, surperficial counter ion dissociate and have negative charge in water; 3 expression static coat the formed mixture in back; Hydridization macromolecule network after the 4 expression copolymerization.
Among Fig. 2, a is K
8Co
2W
12O
42The infrared spectra of/DMDA mixture, b are the infrared spectra of this mixture and methyl methacrylate hybrid material.Carbon-to-carbon double bond vibration peak completely dissolve in b among a, expression mixture and methyl methacrylate polymerization are complete.
Fig. 3 is K
8Co
2W
12O
42The transmission electron microscope photo of/DMDA mixture and polymethyl methacrylate hybrid material, wherein the quality percentage composition of mixture is 0.5%.Pore is K among the figure
8Co
2W
12O
42, yardstick is about 1～2 nanometer, and single good dispersion does not have the agglomeration that is separated and is caused.
Among Fig. 4, a is K
8Co
2W
12O
42The optical photograph of/DMDA mixture and polymethyl methacrylate hybrid material is green; B is K
6CoSiW
11O
39The optical photograph of/DMDA mixture and methyl methacrylate hybrid material is pink.The quality percentage composition of mixture is 1% in the two.Because adopt test tube as mould, hybrid material is cylindric.Alphabetical high-visible under the hybrid material reflected the good transparency.
Embodiment
The present invention is further elaborated for following specific embodiment, do not limit the invention and do not represent according to this.
1, the polymerizable cats product is synthetic
Reaction principle: by esterification, the polymerizable groups that will contain acyl chlorides or carboxyl is covalently bound on hydroxy halogeno alkane or oxyamine, generates the haloalkane or the amine that contain polymerizable group; Continue quaternizedly, make the polymerizable cats product.
Embodiment 1-1:
N, N-dimethyl hexadecyl Jia Jibingxisuanyizhi base brometo de amonio synthetic
Get 1.96 gram N, N-dimethylethanolamine, 1.72 gram methacrylic acids, 4.95 gram N, N '-dicyclohexylcarbodiimide, 0.1 gram 4-Dimethylamino pyridine, mixed dissolution in 50 milliliters of methylene dichloride, stirring at room.After 48 hours, the dicyclohexylurea (DCU) white precipitate that elimination generates.Filtrate rotation solvent evaporated is concentrated into 20 milliliters, adds 30 milliliters of cold diethyl ethers, the unreacted N that settles out, N '-dicyclohexylcarbodiimide.Repeat this step until no N, till N '-the dicyclohexylcarbodiimide precipitation is separated out.The crude product silicagel column of packing into, use chloroform: methyl alcohol=20: 1 (volume ratio) mixes the molten developping agent of doing, and the some evaporate to dryness gets colourless liquid before isolating, and is N, N-dimethyl ethyl amine, productive rate 78%.
Get 0.72 gram N, N-dimethyl ethyl amine, 1.53 gram bromohexadecanes, mixed dissolution are in 30 milliliters of chloroforms, and under whipped state, 60 ℃ were reacted 72 hours.Cooling, reaction solution rotary evaporation solvent to 5 milliliter is added drop-wise in 30 milliliters of cold diethyl ethers, places refrigerator to deposit 3 days in-5 ℃, filters and collects the white solid that settles out, and is N, N-dimethyl hexadecyl Jia Jibingxisuanyizhi base brometo de amonio, productive rate 76%.
Embodiment 1-2:
N, N-dimethyl dodecyl methyl vinylformic acid undecane ester group brometo de amonio (DMDA) synthetic
Get 0.92 gram methacrylic chloride, be dissolved in 10 milliliters of tetrahydrofuran (THF)s through sodium backflow drying treatment.2.00 gram 1-bromo-undecyl alcohols and 0.87 are restrained the triethylamine mixed dissolution in 30 milliliters of exsiccant tetrahydrofuran (THF)s.Under whipped state, the former is splashed into the latter.After the stirring at room 12 hours, remove by filter the white ammonium salt precipitation of generation, get colourless or faint yellow filtrate.Solvent evaporated gets colourless or faint yellow viscous fluid, and the silicagel column of packing into is made developping agent with absolute dichloromethane, and point before collecting is 1-bromo-ten monomethyl acrylate, productive rate 80%.
Get 1.90 gram 1-bromo-ten monomethyl acrylate and 1.28 gram N, N-dimethyl amino dodecane mixed dissolution is in 30 milliliters of chloroforms, and 60 ℃ were refluxed 72 hours under whipped state.Reaction solution rotary evaporation solvent is concentrated into 3～5 milliliters, is added dropwise in 30 milliliters of cold diethyl ethers, place refrigerator-5 ℃ to deposit 3 days, filter and collect the white solid that settles out, be N, N-dimethyl dodecyl methyl vinylformic acid undecane ester group brometo de amonio, productive rate 64%.
Embodiment 1-3:
N, N-dimethyl stearyl (to vinyl benzoic acid) undecane ester group brometo de amonio synthetic
2.98 gram N, Dymanthine and 2.51 gram 1-bromo-undecyl alcohols are dissolved in 100 milliliters of ethanol, under the whipped state, and back flow reaction 24 hours.The rotation solvent evaporated gets white solid, and washs three times with ether, dries to be N, N-dimethyl stearyl undecyl alcohol base brometo de amonio, productive rate 81%.
To vinyl benzoic acid, 3.7 restrain N with 1.5 grams, N-dimethyl stearyl undecyl alcohol base brometo de amonio, and 0.1 restrains 4-Dimethylamino pyridine mixed dissolution in 35 milliliters of methylene dichloride, stirring at room two days.Remove by filter the dicyclohexylurea (DCU) white precipitate of generation, add 50 milliliters of ether after the solvent evaporated, the suspension liquid that forms was continued stirring at room two days.Outstanding absurd creature is told in filtration, be dissolved in 50 milliliters of methylene dichloride, aqueous hydrochloric acid washed twice with 1 mol, tell organic phase, anhydrous sodium sulfate drying, the rotation solvent evaporated gets white solid, is N, N-dimethyl stearyl (to vinyl benzoic acid) undecane ester group brometo de amonio, productive rate 65%.
2, the polymerizable cats product is to the coating of multi-metal oxygen cluster
Reaction principle: multi-metal oxygen cluster surperficial counter ion in the aqueous solution dissociate, and form the cluster ion that has negative charge.Polymerizable cats product and cluster ion are compound by static, form stable organic/inorganic composite, and thus multi-metal oxygen cluster are transferred in the organic phase.
Multi-metal oxygen cluster is commercial medicine or synthesizes gained with reference to existing document.Wherein, H
4SiW
12O
40Buy from the Beijing Chemical Plant; Na
9EuW
10O
36With reference to Bull.Chem.Soc.Jpn.1993,66,444 is synthetic; K
8Co
2W
12O
42With reference to J.Am.Chem.Soc.1956,78,4503 is synthetic; K
6CoSiW
11O
39With reference to Inorg.Chem.1987,26,215 is synthetic.Common multi-metal oxygen cluster, as Keggin, Dawson, the multi-metal oxygen cluster and the derivative thereof of series such as Anderson all are fit to this patent.
Embodiment 2-1:
N, N-dimethyl dodecyl methyl vinylformic acid undecane ester group brometo de amonio (DMDA) coats H
4SiW
12O
40
0.20 gram DMDA is dissolved in 70 milliliters of chloroforms 0.28 gram H
4SiW
12O
40Be dissolved in 70 ml waters DMDA and H
4SiW
12O
40Mol ratio be 3.8: 1 (charge ratio is 3.8: 4).Under whipped state, the chloroformic solution of DMDA is added drop-wise to H
4SiW
12O
40The aqueous solution in.Continue to stir after 1 hour, static layering is told lower floor's organic phase with separating funnel.Organic phase washes twice with water, adds anhydrous sodium sulfate drying, and add-on is/100 milliliters of 0.2 grams.After 1 hour, leach sodium sulfate, filtrate gets white compound solid, room temperature vacuum-drying, productive rate 65～70% (ratio of mixture quality when productive rate equals actual mixture quality with the DMDA complete reaction) after rotary evaporation is removed chloroform.
Embodiment 2-2:
N, N-dimethyl dodecyl methyl vinylformic acid undecane ester group brometo de amonio (DMDA) coats Na
9EuW
10O
36
0.20 gram DMDA is dissolved in 70 milliliters of chloroforms 0.16 gram Na
9EuW
10O
36Be dissolved in 70 ml waters DMDA and Na
9EuW
10O
36Mol ratio be 8: 1 (charge ratio is 8: 9).Under whipped state, the chloroformic solution of DMDA is added drop-wise to Na
9EuW
10O
36The aqueous solution in.Continue to stir after 1 hour, static layering is told lower floor's organic phase with separating funnel.Organic phase washes twice with water, adds anhydrous sodium sulfate drying ,/100 milliliters of 0.2 grams.After 1 hour, leach sodium sulfate, filtrate gets white compound solid, room temperature vacuum-drying, productive rate 65～70% after rotary evaporation is removed chloroform.
Embodiment 2-3:
N, N-dimethyl dodecyl methyl vinylformic acid undecane ester group brometo de amonio (DMDA) coats K
8Co
2W
12O
42
0.20 gram DMDA is dissolved in 70 milliliters of chloroforms 0.19 gram K
8Co
2W
12O
42Be dissolved in 70 ml waters DMDA and K
8Co
2W
12O
42Mol ratio be 7: 1 (charge ratio is 7: 8).Under whipped state, the chloroformic solution of DMDA is added drop-wise to K
8Co
2W
12O
42The aqueous solution in, the green in the aqueous solution is transferred to organic phase very soon.Continue to stir after 1 hour, static layering is told lower floor's organic phase with separating funnel.Organic phase washs twice with secondary water washing, adds anhydrous sodium sulfate drying ,/100 milliliters of 0.2 grams.After 1 hour, leach sodium sulfate, filtrate gets green compounds solid, room temperature vacuum-drying, productive rate 65～70% after rotary evaporation is removed chloroform.
Embodiment 2-4:
N, N-dimethyl dodecyl methyl vinylformic acid undecane ester group brometo de amonio (DMDA) coats K
6CoSiW
11O
39
0.20 gram DMDA is dissolved in 70 milliliters of chloroforms 0.23 gram K
6CoSiW
11O
39Be dissolved in 70 ml waters DMDA and K
6CoSiW
11O
39Mol ratio be 5.5: 1 (charge ratio is 5.5: 6).Under whipped state, the chloroformic solution of DMDA is added drop-wise to K
6CoSiW
11O
39The aqueous solution in, the pink in the aqueous solution is transferred to organic phase very soon.Continue to stir after 1 hour, static layering is told lower floor's organic phase with separating funnel.Organic phase washes twice with water, adds anhydrous sodium sulfate drying ,/100 milliliters of 0.2 grams.After 1 hour, leach sodium sulfate, filtrate gets pink solid, room temperature vacuum-drying, productive rate 65～70% after rotary evaporation is removed chloroform.
Embodiment 2-5:
N, N-dimethyl dodecyl methyl vinylformic acid undecane ester group brometo de amonio (DMDA) and N, N-GERBU Adjuvant 100 (DODA buys gained from ACROS chemical reagents corporation) equimolar amount mixes coating Na
9EuW
10O
36
0.10 gram DMDA and 0.12 is restrained the DODA mixed dissolution in 70 milliliters of chloroforms, 0.15 gram Na
9EuW
10O
36Be dissolved in 70 ml waters DMDA, DODA and Na
9EuW
10O
36Mol ratio be 4.25: 4.25: 1 (charge ratio is 8.5: 9).Under whipped state, the chloroformic solution of DMDA and DODA is added drop-wise to Na
9EuW
10O
36The aqueous solution in.Continue to stir after 1 hour, static layering is told lower floor's organic phase with separating funnel.Organic phase washes twice with water, adds anhydrous sodium sulfate drying ,/100 milliliters of 0.2 grams.After 1 hour, leach sodium sulfate, filtrate gets white compound solid, room temperature vacuum-drying, productive rate 65～70% after rotary evaporation is removed chloroform.
3, the copolymerization of mixture and high polymer monomer
Reaction principle: mixture can be dissolved in the high polymer monomer, and the polymerizable groups on its alkyl chain with the high polymer monomer copolymerization, forms hybrid material by free radical polymerization.
Embodiment 3-1:
The copolymerization of mixture and methyl methacrylate
The mixture that 0.03 gram embodiment 2-4 is made and 0.004 gram azobisisobutyronitrile mixed dissolution in 3 gram methyl methacrylates, can be ultrasonic a little or heating to promote dissolving, injection mould (as glass test tube).Be warming up to 50 ℃ of pre-polymerizations 2 hours, slowly be warming up to 62 ℃ (1 ℃/minute) then, continue polymerization 6 hours, slowly be warming up to 80 ℃ (1 ℃/minute) again, solidified 24 hours, die sinking promptly gets quality and is doped to 1% pink transparent hybrid material.
Embodiment 3-2:
Mixture and cinnamic copolymerization
The mixture that 0.03 gram embodiment 2-4 is made and 0.004 gram azobisisobutyronitrile mixed dissolution in 3 gram vinylbenzene, can be ultrasonic a little or heating to promote dissolving, the injection mould.Be warming up to 50 ℃ of pre-polymerizations 2 hours, slowly be warming up to 65 ℃ (1 ℃/minute) then, continue polymerization 6 hours, slowly be warming up to 80 ℃ (1 ℃/minute) again, solidified 24 hours, die sinking promptly gets quality and is doped to 1% pink transparent hybrid material.
Claims (5)
1, the preparation method of transparent multi-metal oxide cluster hybrid material, synthetic, the polymerizable cats product that comprises the polymerizable cats product that is suitable for coating multi-metal oxygen cluster to multi-metal oxygen cluster carry out static coat make polymerisable organic/inorganic composite, with organic/inorganic composite and transparent three steps of polymer hybrid material of high polymer monomer copolymerization acquisition of making; It is characterized in that:
(1) the synthetic of polymerizable cats product that is suitable for coating multi-metal oxygen cluster is by esterification, and the polymerizable groups that will contain acyl chlorides or carboxyl is covalently bound on hydroxy halogeno alkane or oxyamine, generates the haloalkane or the amine that contain polymerizable group; By quaternary ammonium salinization, make the polymerizable cats product again to the halo group;
(2) the polymerizable cats product carries out static to multi-metal oxygen cluster and coats that to make polymerisable organic/inorganic composite be that the polymerizable cats product is dissolved in chloroform, methylene dichloride, benzene or the toluene, concentration is 2～4 mg/ml, multi-metal oxygen cluster to be coated is soluble in water, and concentration is 1～5 mg/ml; Control the two consumption, making the ratio of the total charge number of the total charge number of tensio-active agent and multi-metal oxygen cluster is 0.85～0.96: 1, wherein the total charge number equals the individual molecule charge number and multiply by molar weight, under whipped state, the organic solution of tensio-active agent is added drop-wise in the multi-metal oxygen cluster aqueous solution.Continue to stir after 1～10 hour, with separating funnel organic phase is told, organic phase washes with water 2～5 times again, adds anhydrous sodium sulfate drying by/100 milliliters of 0.2～0.5 grams and handles, and filters at last and solvent evaporated, obtains polymerisable organic/inorganic composite;
(3) the transparent polymer hybrid material of organic/inorganic composite and high polymer monomer copolymerization acquisition is that acquired polymerizable is dissolved in the high polymer monomer, the mass content of mixture is 1～10% in the reaction system, in the presence of radical initiator, initiator quality percentage composition is 0.1～0.3%, be warming up to earlier about 50～55 ℃, pre-polymerization 2～4 hours, slowly be warming up to 60～65 ℃ with 1～2 ℃/minute speed then, continue polymerization 6～12 hours, solidified 12～24 hours at 80～85 ℃ at last, die sinking promptly gets transparent hybrid material.
2, the preparation method of transparent multi-metal oxide cluster hybrid material as claimed in claim 1, it is characterized in that: the polymerizable cats product is made up of close and distant water two portions, water-wet side is quaternary ammonium salt or pyridinium salt cation group, and the hydrophobic side is the alkyl chain that has acrylate-based, α-Jia Jibingxisuan ester group or 4-vinylbenzene ester group polymerizable groups.
3, the preparation method of transparent multi-metal oxide cluster hybrid material as claimed in claim 2, it is characterized in that: the polymerizable cats product is N, N-dimethyl hexadecyl Jia Jibingxisuanyizhi base brometo de amonio, N, N-dimethyl dodecyl methyl vinylformic acid undecane ester group brometo de amonio or N, N-dimethyl stearyl (to vinyl benzoic acid) undecane ester group brometo de amonio.
4, the preparation method of transparent multi-metal oxide cluster hybrid material as claimed in claim 1 is characterized in that: multi-metal oxygen cluster to be coated is Na
9EuW
10O
36, K
8Co
2W
12O
42, K
6CoSiW
11O
39Or H
4SiW
12O
40
5, the preparation method of transparent multi-metal oxide cluster hybrid material as claimed in claim 1 is characterized in that: high polymer monomer is methyl methacrylate or vinylbenzene.
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| US5086351A (en) * | 1989-07-13 | 1992-02-04 | M&T Chemicals, Inc. | Electrochromic elements, materials for use in such element, processes for making such elements and such materials and use of such element in an electrochromic glass device |
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