CN102618018A - Method for preparing thermoplastic polyurethane/multi-walled carbon nanotube/cobalt-zinc-ferrite magnetic nanocomposite material - Google Patents

Method for preparing thermoplastic polyurethane/multi-walled carbon nanotube/cobalt-zinc-ferrite magnetic nanocomposite material Download PDF

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CN102618018A
CN102618018A CN2012101052998A CN201210105299A CN102618018A CN 102618018 A CN102618018 A CN 102618018A CN 2012101052998 A CN2012101052998 A CN 2012101052998A CN 201210105299 A CN201210105299 A CN 201210105299A CN 102618018 A CN102618018 A CN 102618018A
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thermoplastic polyurethane
walled carbon
cobalt
composite material
carbon nano
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CN102618018B (en
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李耀刚
陈莹
王新威
王宏志
张青红
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Donghua University
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Abstract

The invention relates to a method for preparing a thermoplastic polyurethane/multi-walled carbon nanotube/cobalt-zinc-ferrite magnetic nanocomposite material. The method includes the steps: (1) acidizing a multi-walled carbon nanotube; (2) dispersing the acidized multi-walled carbon nanotube into glycol solution, adding soluble ferric salt, zinc salt, cobalt salt, polyethylene glycol and sodium acetate anhydrous and increasing temperature for reaction to obtain MWCNTs/Co0.5Zn0.5Fe2O5 magnetic nano-powder; and (3) adding the MWCNTs/Co0.5Zn0.5Fe2O5 magnetic nano-powder into solvents, adding thermoplastic polyurethane after ultrasonic dispersion, increasing the temperature, performing ultrasonic agitation after completely dissolving the thermoplastic polyurethane and finally evaporating the solvents to obtain the magnetic nanocomposite material. The preparation method is short in cycle, low in energy consumption, convenient in processing and forming and suitable for large-scale production, the mechanical property and heat resistance of the prepared magnetic nanocomposite material are greatly improved, and the magnetic nanocomposite material has new magnetic responsibility.

Description

The preparation method of thermoplastic polyurethane/multi-walled carbon nano-tubes/cobalt zinc ferrite oxysome magnetic nanometer composite material
Technical field
The invention belongs to the preparation field of thermoplastic polyurethane (TPU) matrix material, particularly relate to a kind of thermoplastic polyurethane TPU/ multi-walled carbon nano-tubes (MWCNTs)/cobalt zinc ferrite oxysome (Co 0.5Zn 0.5Fe 2O 4) preparation method of magnetic nanometer composite material.
Background technology
Carbon nanotube (CNTs) has become the center of nanosecond science and technology research in recent years as one of the most attractive nano material.CNTs is because of its special physical structure, and excellent mechanical property, electric property, thermostability and non-linear optical property, is to prepare functional composite material ideal filler at present.
Co 0.5Zn 0.5Fe 2O 4It is a kind of soft magnetic ferrite with spinel structure.Co 0.5Zn 0.5Fe 2O 4Because of its excellent chemicalstability, erosion resistance, magnetocrystalline anisotropy, MS and magneto-optical property, be widely used in fields such as information storage system, medical diagnosis, magnetic and medicated release, thermotherapy (cancer therapy), magnetic fluid technique, hard disk recording medium, Magnetostatic wave device, surface acoustic wave sensor.
For the excellent properties with both combines well, in recent years, many scholars have been placed on research emphasis in the preparation of CNTs and ferrite composite material.For example, Jiang etc. has reported that the employing solvent-thermal method prepares CoFe on [Materials Science and Engineering B 166 (2010) 132-134] 2O 4/ CNTs magnetic nanometer composite material, this matrix material at room temperature demonstrates superparamagnetism, and saturation magnetization reaches 29.6emu/g.Liu etc. have reported that employing in-situ high temperature hydrolysis method has prepared monodispersed M on [Materials Letters63 (2009) 2526-2528] IIFe 2O 4(MFe 2O 4, M=Fe, Co, Ni) nano particle coats the nano composite material of CNTs.Fe 3O 4/ CNTs, CoFe 2O 4/ CNTs and NiFe 2O 4The saturation magnetization of/CNTs reaches 43.5emu/g, 29.6emu/g and 41.7emu/g respectively.Ferrite coats the CNTs matrix material because of its excellent comprehensive performance, has many potential application, like clinical diagnosis, electrochemica biological sensor, absorbing material, electricity-magnetic nanodevice, magnetic data storage device and heterogeneous catalyst.
Up to the present, Shang Weijian adopts MWCNTs/Co 0.5Zn 0.5Fe 2O 4The report of magnetic nanoparticle modified TPU matrix material.
Summary of the invention
Technical problem to be solved by this invention provides the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes/cobalt zinc ferrite oxysome magnetic nanometer composite material; This method cycle is short, energy consumption is low, machine-shaping is convenient; Suitable for mass production; This magnetic nanometer composite material mechanical property and thermotolerance are greatly improved, and have new magnetic response performance.
The preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes of the present invention/cobalt zinc ferrite oxysome magnetic nanometer composite material comprises:
(1) with concentration be acid with strong oxidizing property and the multi-walled carbon nano-tubes MWCNTs of 15～20mol/L by mass ratio 200～400: 1 mixes, and ultra-sonic dispersion 30～60min is warming up to 100～120 ℃ then, and acidification 18～30h obtains the MWCNTs after the acidification;
(2) under the room temperature, 1: 180～1: 280 ultra-sonic dispersion of pressing mass ratio of the MWCNTs after the above-mentioned acidification in ethylene glycol solution, is being added soluble ferric iron salt, zinc salt, cobalt salt; Treat to dissolve fully the back and add polyoxyethylene glycol and anhydrous sodium acetate, stir 20～40min, fully after the dissolving; Be warming up to 180～220 ℃, reaction 9～12h is cooled to room temperature; Use the deionized water wash product, collect product with magnet again, oven dry obtains MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nano powder; Wherein, molysite, zinc salt, cobalt salt ratio requirement are Zn 2+And Co 2+Mol ratio be 1: 1, Zn 2+And Co 2+Sum and Fe 3+Mol ratio be 1: 2;
(3) under the room temperature, in solvent, add above-mentioned MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nano powder; Ultra-sonic dispersion 1～2h; Add thermoplastic polyurethane subsequently again, be warming up to 70～90 ℃, low whipping speed is that 500～800r/min stirs 3～6h down; Treat that thermoplastic polyurethane dissolves back ultrasonic agitation 1～2h under 500～800r/min fully, obtains TPU/MWCNTs/Co with solvent evaporation at last under 80～110 ℃ 0.5Zn 0.5Fe 2O 4Magnetic nanometer composite material.
Acid with strong oxidizing property in the said step (1) is a kind of in concentrated nitric acid, the vitriol oil or both mixing solutionss.
Molysite in the said step (2), zinc salt, cobalt salt are the muriate FeCl of soluble iron 36H 2Nitrate salt Co (the NO of O, cobalt 3) 26H 2Nitrate salt Zn (the NO of O, zinc 3) 26H 2O.
Fe in anhydrous sodium acetate in the said step (2) and the molysite 3+Mol ratio be 8: 1～12: 1.
The concentration of the ethylene glycol solution in the said step (2) is 98～99.5wt%, and the amount that adds polyoxyethylene glycol is 1/50～1/25 of a terepthaloyl moietie volume, and molecular weight is 200.
The speed that stirs in the said step (2) is 500～800 rev/mins.
Temperature when drying in the said step (2) is 40～60 ℃, and the time is 15～24h.
Solvent in the said step (3) is N; Dinethylformamide (DMF), N; N-N,N-DIMETHYLACETAMIDE (DMAC), DMSO 99.8MIN., toluene, YLENE, acetone, pimelinketone, MIBK, ETHYLE ACETATE, butylacetate or diethylene glycol ether; The preferential DMAC N,N (DMAC) that uses.
Thermoplastic polyurethane is polyether(poly)urethane elastomerics or PAUR elastomerics in the said step (3).
MWCNTs/Co in the said step (3) 0.5Zn 0.5Fe 2O 4The massfraction that magnetic nanoparticle accounts for TPU is 0.1～60%, and the mass ratio of thermoplastic polyurethane and solvent is 1: 10～1: 20.
Among the present invention, because of MWCNTs/Co 0.5Zn 0.5Fe 2O 4The interpolation of magnetic nanometer composite material can improve the mechanical property and the thermotolerance of TPU material well, and gives material new magnetic response performance; And the TPU material has excellent biocompatibility and anticoagulant property, no aberration inducing effect in the clinical application, no anaphylaxis.TPU/MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nanometer composite material has potential widely application at biomedical sector.
The present invention is intended to through solution blended process MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nanoparticle adds in the TPU material, with mechanical property and the thermotolerance of improving the TPU material, and gives its new magnetic response performance.
The tensile strength of TPU is 23.46MPa, through MWCNTs/Co 0.5Zn 0.5Fe 2O 4Modified by nano particles back draft intensity is brought up to 30.68MPa, and amplification reaches 30.8%.When the thermal weight loss massfraction of material was 30%, the heat decomposition temperature of pure TPU was 346.9 ℃, through MWCNTs/Co 0.5Zn 0.5Fe 2O 4Heat decomposition temperature is brought up to 406.5 ℃ behind the modified by nano particles, has improved 60 ℃.In addition, TPU/MWCNTs/Co 0.5Zn 0.5Fe 2O 4The saturation magnetization of nano composite material is up to 30.30emu/g.
Beneficial effect
(1) the present invention has prepared TPU/MWCNTs/Co through a kind of simple and convenient method 0.5Zn 0.5Fe 2O 4Magnetic nanometer composite material, the cycle is short, energy consumption is low, machine-shaping is convenient, suitable for mass production;
(2) the prepared TPU/MWCNTs/Co of the present invention 0.5Zn 0.5Fe 2O 4The mechanical property and the thermotolerance of magnetic nanometer composite material are greatly improved, and have new magnetic response performance;
(3) the present invention not only makes MWCNTs/Co 0.5Zn 0.5Fe 2O 4It is toughness reinforcing that magnetic nanometer composite material can be used for the enhancing of TPU, gives its good magnetic performance, and can be used for improving mechanical property, thermotolerance and the magnetic property of other rubber and plastics.
Description of drawings
Fig. 1 .TPU/MWCNTs/Co 0.5Zn 0.5Fe 2O 4The field emission scanning electron microscope photo of magnetic nanometer composite material section;
Fig. 2 .TPU/MWCNTs/Co 0.5Zn 0.5Fe 2O 4The tensile strength of magnetic nanometer composite material;
Fig. 3 .TPU/MWCNTs/Co 0.5Zn 0.5Fe 2O 4The thermogravimetric curve of magnetic nanometer composite material;
Fig. 4 .TPU/MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nanometer composite material thermal weight loss massfraction is 30% o'clock a heat decomposition temperature;
Fig. 5. TPU/MWCNTs/Co under the room temperature 0.5Zn 0.5Fe 2O 4The magnetic hysteresis loop figure of magnetic nanometer composite material.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
Take by weighing 0.13gMWCNTs and add three-necked flask, add 45ml (15mol/L) concentrated nitric acid again, ultra-sonic dispersion 40min is warming up to 100 ℃, acidification reaction 18h then.Reaction finish the back to MWCNTs suspension-s wash, centrifugal, dry, obtain the MWCNTs after the acidification.Take by weighing 1.351g FeCl then 36H 2O, 0.371g zinc nitrate hexahydrate and 0.364g cobalt nitrate hexahydrate add three-necked flask, and adding above-mentioned acidifying MWCNTs and 45ml concentration again is the terepthaloyl moietie of 99.5wt%, ultra-sonic dispersion 50min.After treating that ultra-sonic dispersion finishes, adding 3.6g anhydrous sodium acetate and 11ml Macrogol 200, is 500 rev/mins of following mechanical stirring 40min at revolution, after treating to dissolve fully, this solution is poured in the autoclave, and is warming up to 180 ℃, reaction 9h.After reaction finishes, use the deionized water wash product, and collect product with magnet, then with product at 60 ℃ of following vacuum-drying 24h, obtain MWCNTs/Co 0.5Zn 0.5Fe 2O 4Nano composite material.
Take by weighing the above-mentioned MWCNTs/Co of 1g under the room temperature 0.5Zn 0.5Fe 2O 4Magnetic nanoparticle adds three-necked flask, adds 95mlDMF again, ultra-sonic dispersion 1h.Subsequently 10gTPU is joined in the above-mentioned suspension-s, be warming up to 70 ℃, low whipping speed is mechanical stirring 3h under the 500r/min.After treating that TPU dissolves fully, be ultrasonic agitation 1h under the 500r/min, under 80 ℃, solvent evaporation obtained TPU/MWCNTs/Co at last the mixture low whipping speed 0.5Zn 0.5Fe 2O 4Magnetic nanometer composite material.
Fig. 1 midfield emission scan electron microscopic observation shows: the MWCNTs/Co of present embodiment 0.5Zn 0.5Fe 2O 4Magnetic nanoparticle is dispersed among the TPU uniformly.The TPU/MWCNTs/Co that shows present embodiment among Fig. 2 0.5Zn 0.5Fe 2O 4The tensile strength of magnetic nanometer composite material is 30.68MPa.Thermogravimetric curve shows the TPU/MWCNTs/Co of present embodiment among Fig. 3 0.5Zn 0.5Fe 2O 4The thermotolerance of magnetic nanometer composite material is better than TPU.The TPU/MWCNTs/Co that shows present embodiment among Fig. 4 0.5Zn 0.5Fe 2O 4Heat decomposition temperature under magnetic nanometer composite material 30% weightlessness is 353.8 ℃.The saturation magnetization that shows present embodiment among Fig. 5 is 5.96emu/g.
Embodiment 2
Take by weighing 0.15gMWCNTs and add three-necked flask, add 50ml (18mol/L) concentrated nitric acid again, ultra-sonic dispersion 50min is warming up to 110 ℃, acidification reaction 24h then.Reaction finish the back to MWCNTs suspension-s wash, centrifugal, dry, obtain the MWCNTs after the acidification.Take by weighing 1.486g FeCl then 36H 2O, 0.408g zinc nitrate hexahydrate and 0.4g cobalt nitrate hexahydrate add three-necked flask, and adding above-mentioned acidifying MWCNTs and 50ml concentration again is the terepthaloyl moietie of 99wt%, ultra-sonic dispersion 45min.After treating that ultra-sonic dispersion finishes, adding 3.8g anhydrous sodium acetate and 1.2ml Macrogol 200, is 500 rev/mins of following mechanical stirring 30min at revolution, after treating to dissolve fully, this solution is poured in the autoclave, and is warming up to 200 ℃, reaction 10h.After reaction finishes, use the deionized water wash product, and collect product with magnet, then with product at 55 ℃ of following vacuum-drying 24h, obtain MWCNTs/Co 0.5Zn 0.5Fe 2O 4Nano composite material.
Take by weighing the above-mentioned MWCNTs/Co of 3g 0.5Zn 0.5Fe 2O 4Magnetic nanoparticle adds three-necked flask, adds 100ml YLENE again, ultra-sonic dispersion 1.5h.Subsequently 10gTPU is joined in the above-mentioned suspension-s, be warming up to 80 ℃, low whipping speed is mechanical stirring 5h under the 700r/min.After treating that TPU dissolves fully, be ultrasonic agitation 1.5h under the 700r/min, under 90 ℃, solvent evaporation obtained TPU/MWCNTs/Co at last the mixture low whipping speed 0.5Zn 0.5Fe 2O 4Magnetic nanometer composite material.
Fig. 1 midfield emission scan electron microscopic observation shows: MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nanoparticle is dispersed among the TPU uniformly.The TPU/MWCNTs/Co that shows present embodiment among Fig. 2 0.5Zn 0.5Fe 2O 4The tensile strength of magnetic nanometer composite material is 20.65MPa.Thermogravimetric curve shows the TPU/MWCNTs/Co of present embodiment among Fig. 3 0.5Zn 0.5Fe 2O 4The thermotolerance of magnetic nanometer composite material is better than TPU.The TPU/MWCNTs/Co that shows present embodiment among Fig. 4 0.5Zn 0.5Fe 2O 4Heat decomposition temperature under magnetic nanometer composite material 30% weightlessness is 399.5 ℃.The saturation magnetization that shows present embodiment among Fig. 5 is 17.90emu/g.
Embodiment 3
Take by weighing 0.17gMWCNTs and add three-necked flask, add 55ml (20mol/L) concentrated nitric acid again, ultra-sonic dispersion 60min is warming up to 120 ℃, acidification reaction 30h then.Reaction finish the back to MWCNTs suspension-s wash, centrifugal, dry, obtain the MWCNTs after the acidification.Take by weighing 1.621g FeCl then 36H 2O, 0.445g zinc nitrate hexahydrate and 0.437g cobalt nitrate hexahydrate add three-necked flask, and adding above-mentioned acidifying MWCNTs and 50ml concentration again is the terepthaloyl moietie of 98wt%, ultra-sonic dispersion 50min.After treating that ultra-sonic dispersion finishes, adding 4g anhydrous sodium acetate and 1.3ml Macrogol 200, is 600 rev/mins of following mechanical stirring 20min at revolution, after treating to dissolve fully, this solution is poured in the autoclave, and is warming up to 220 ℃, reaction 12h.After reaction finishes, use the deionized water wash product, and collect product with magnet, then with product at 50 ℃ of following vacuum-drying 28h, obtain MWCNTs/Co 0.5Zn 0.5Fe 2O 4Nano composite material.
Take by weighing the above-mentioned MWCNTs/Co of 5g under the room temperature 0.5Zn 0.5Fe 2O 4Magnetic nanoparticle adds three-necked flask, adds 97mlDMAC again, ultra-sonic dispersion 2h.Subsequently 10gTPU is joined in the above-mentioned suspension-s, be warming up to 90 ℃, low whipping speed is mechanical stirring 6h under the 800r/min.After treating that TPU dissolves fully, be ultrasonic agitation 2h under the 800r/min, under 110 ℃, solvent evaporation obtained TPU/MWCNTs/Co at last the mixture low whipping speed 0.5Zn 0.5Fe 2O 4Magnetic nanometer composite material.
Fig. 1 midfield emission scan electron microscopic observation shows: MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nanoparticle is dispersed among the TPU uniformly.The TPU/MWCNTs/Co that shows present embodiment among Fig. 2 0.5Zn 0.5Fe 2O 4The tensile strength of magnetic nanometer composite material is 10.82MPa.Thermogravimetric curve shows the TPU/MWCNTs/Co of present embodiment among Fig. 3 0.5Zn 0.5Fe 2O 4The thermotolerance of magnetic nanometer composite material is better than TPU.The TPU/MWCNTs/Co that shows present embodiment among Fig. 4 0.5Zn 0.5Fe 2O 4Heat decomposition temperature under magnetic nanometer composite material 30% weightlessness is 406.5 ℃.The saturation magnetization that shows present embodiment among Fig. 5 is 30.20emu/g.

Claims (10)

1. the preparation method of thermoplastic polyurethane/multi-walled carbon nano-tubes/cobalt zinc ferrite oxysome magnetic nanometer composite material comprises:
(1) with concentration be acid with strong oxidizing property and the multi-walled carbon nano-tubes of 15～20mol/L by mass ratio 200～400: 1 mixes, and ultra-sonic dispersion 30～60min is warming up to 100～120 ℃ then, and acidification 18～30h obtains the multi-walled carbon nano-tubes after the acidification;
(2) under the room temperature, 1: 180～1: 280 ultra-sonic dispersion of pressing mass ratio of the multi-walled carbon nano-tubes after the above-mentioned acidification in ethylene glycol solution, is added soluble ferric iron salt, zinc salt, cobalt salt again; Treat to dissolve fully the back and add polyoxyethylene glycol and anhydrous sodium acetate, stir 20～40min, fully after the dissolving; Be warming up to 180～220 ℃, reaction 9～12h is cooled to room temperature; Use the deionized water wash product, collect product with magnet again, oven dry obtains MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nano powder; Wherein, molysite, zinc salt, cobalt salt ratio requirement are Zn 2+And Co 2+Mol ratio be 1: 1, Zn 2+And Co 2+Sum and Fe 3+Mol ratio be 1: 2;
(3) under the room temperature, in solvent, add above-mentioned MWCNTs/Co 0.5Zn 0.5Fe 2O 4Magnetic nano powder; Ultra-sonic dispersion 1～2h; Add thermoplastic polyurethane subsequently again, be warming up to 70～90 ℃, low whipping speed is that 500～800r/min stirs 3～6h down; Treat that thermoplastic polyurethane dissolves back ultrasonic agitation 1～2h under 500～800r/min fully, promptly gets solvent evaporation at last under 80～110 ℃.
2. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material is characterized in that: the acid with strong oxidizing property in the said step (1) is a kind of in concentrated nitric acid, the vitriol oil or both mixing solutionss.
3. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material is characterized in that: the molysite in the said step (2), zinc salt, cobalt salt are the muriate FeCl of soluble iron 36H 2Nitrate salt Co (the NO of O, cobalt 3) 26H 2Nitrate salt Zn (the NO of O, zinc 3) 26H 2O.
4. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material is characterized in that: Fe in anhydrous sodium acetate in the said step (2) and the molysite 3+Mol ratio be 8: 1～12: 1.
5. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material; It is characterized in that: the concentration of the ethylene glycol solution in the said step (2) is 98～99.5wt%; The amount that adds polyoxyethylene glycol is 1/50～1/25 of a terepthaloyl moietie volume, and molecular weight is 200.
6. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material is characterized in that: the speed that stirs in the said step (2) is 500～800 rev/mins.
7. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material is characterized in that: the temperature when drying in the said step (2) is 40～60 ℃, and the time is 15～24h.
8. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material; It is characterized in that: the solvent in the said step (3) is N; Dinethylformamide, DMAC N,N, DMSO 99.8MIN., toluene, YLENE, acetone, pimelinketone, MIBK, ETHYLE ACETATE, butylacetate or diethylene glycol ether.
9. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material is characterized in that: thermoplastic polyurethane is polyether(poly)urethane elastomerics or PAUR elastomerics in the said step (3).
10. the preparation method of a kind of thermoplastic polyurethane/multi-walled carbon nano-tubes according to claim 1/cobalt zinc ferrite oxysome magnetic nanometer composite material is characterized in that: the MWCNTs/Co in the said step (3) 0.5Zn 0.5Fe 2O 4It is 0.1～60% that magnetic nanoparticle accounts for the elastomeric massfraction of PAUR, and the mass ratio of thermoplastic polyurethane and solvent is 1: 10～1: 20.
CN201210105299.8A 2012-04-11 2012-04-11 Method for preparing thermoplastic polyurethane/multi-walled carbon nanotube/cobalt-zinc-ferrite magnetic nanocomposite material Expired - Fee Related CN102618018B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592477A (en) * 2015-02-16 2015-05-06 中北大学 Preparation method of high-performance magnetic polyurethane elastomer composites
CN105419302A (en) * 2015-12-22 2016-03-23 合肥仲农生物科技有限公司 Polyurethane composite material
CN110050037A (en) * 2016-11-28 2019-07-23 索马龙株式会社 Resin combination, the manufacturing method of resin combination, the manufacturing method of resin combination formed body and resin combination formed body

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800105A (en) * 2010-03-25 2010-08-11 东华大学 Method for preparing MWCNTs/Co1-xZnxFe2O4 magnetic nanocomposite material
CN102350282A (en) * 2011-06-28 2012-02-15 东华大学 Preparation method of magnetic nano compound material of cobalt-nickel ferrite/multi-wall carbon nano pipe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800105A (en) * 2010-03-25 2010-08-11 东华大学 Method for preparing MWCNTs/Co1-xZnxFe2O4 magnetic nanocomposite material
CN102350282A (en) * 2011-06-28 2012-02-15 东华大学 Preparation method of magnetic nano compound material of cobalt-nickel ferrite/multi-wall carbon nano pipe

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
YING CHEN，ET. AL: "Synthesis and characterization of MWCNTs/Co1−xZnxFe2O4 magnetic nanocomposites and their use in hydrogels", 《JOURNAL OF ALLOYS AND COMPOUNDS》 *
YING CHEN，ET. AL: "Synthesis and characterization of MWCNTs/Co1−xZnxFe2O4 magnetic nanocomposites and their use in hydrogels", 《JOURNAL OF ALLOYS AND COMPOUNDS》, vol. 509, 5 January 2011 (2011-01-05), pages 4053 - 4059 *
汪茂菊: "ZnFe_2O_4/MWNT复合材料的制备及其吸波性能", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592477A (en) * 2015-02-16 2015-05-06 中北大学 Preparation method of high-performance magnetic polyurethane elastomer composites
CN104592477B (en) * 2015-02-16 2017-03-01 中北大学 High performance magnetic polyurethane elastic composite preparation method
CN105419302A (en) * 2015-12-22 2016-03-23 合肥仲农生物科技有限公司 Polyurethane composite material
CN110050037A (en) * 2016-11-28 2019-07-23 索马龙株式会社 Resin combination, the manufacturing method of resin combination, the manufacturing method of resin combination formed body and resin combination formed body
CN110050037B (en) * 2016-11-28 2023-01-13 索马龙株式会社 Resin composition, method for producing resin composition, resin composition molded body, and method for producing resin composition molded body
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