CN107602927A - A kind of preparation and application method of carbon nano-tube compound film - Google Patents
A kind of preparation and application method of carbon nano-tube compound film Download PDFInfo
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- CN107602927A CN107602927A CN201710886108.9A CN201710886108A CN107602927A CN 107602927 A CN107602927 A CN 107602927A CN 201710886108 A CN201710886108 A CN 201710886108A CN 107602927 A CN107602927 A CN 107602927A
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Abstract
The present invention relates to a kind of preparation of carbon nano-tube compound film and application process, belong to field of compound material.Cellulose, CNT and poly- N isopropyl acrylamide gels nanoparticle are blended by ionic liquid for this method, near-infrared laser response composite film material is prepared, and uses it for medicine/small molecule (such as dyestuff) remote control release field.Composite membrane prepared by the present invention designs and develops field in long-range controlled release multiple device has stronger application value, is applicable to the research directions such as medicine sustained and controlled release, the control of textile printing and dyeing dye strength, the processing of waste water harmful ion.
Description
Technical field
The present invention relates to a kind of preparation and application method of Novel composite membrane, belong to field of compound material.
Background technology
Research in recent years on the composite of functional membrane is very active.As composite is to functionalization and intellectuality
Direction develop, extensive concern of the stimulating responsive composite film material by researcher.Temperature sensitive type poly N-isopropyl acryloyl
One of amine (PNIPAM) gel nano particles, function ingredients that can be as composite membrane, it varies with temperature caused volume phase transition,
Composite membrane permeance property can be changed.
CNT has excellent physicochemical property, in fact electricity and the good conductor of heat.In addition, CNT is absorbable near red
Outer laser, realizes photothermal conversion, has good photothermal response performance.As compound membrane component, achievable composite membrane swashs
The long-range controlled release efficiency of light.
Composite film material is prepared by the braiding of cellulose with PNIPAM gel nano particles, CNT, in medicine/small
Molecule release tele-control system research and development field is with a wide range of applications.
The content of the invention
Cellulose, CNT and poly-N-isopropyl acrylamide nano-gel microspheres are blended the present invention through solion
Composite membrane is prepared, there is certain environmental response ability.In long-range controlled release multiple device etc. boundless development
Space, have to the biomedicine fields such as medicine sustained and controlled release, the control of textile printing and dyeing dye strength, waste water harmful ion process field etc.
Far reaching significance.
To achieve the above object, the technical solution adopted by the present invention is as follows：
(1) the carbon nanotube ionic liquid point of certain density cellulose ionic liquid solution, certain percentage composition is configured
The NIPA gel micro-ball ionic liquid dispersion liquid of dispersion liquid and certain percentage composition；
(2) above-mentioned three kinds of liquid is blended at a certain temperature according to a certain percentage, and heats and take out in vacuum drying oven
Vacuum is to remove mixed liquor bubble；
(3) mixed liquor after vacuum outgas is coated on flat board with certain thickness with scraper, spontaneously dried；
(4) after wet film stands certain time, repeatedly washed with water, spontaneously dry certain time, obtain new CNT
Regenerated cellulose composite film；
(5) composite membrane is placed in osmotic cell, film both sides are different liquids；
(6) laser controller is opened, the near-infrared laser that the wavelength using some strength is 808nm irradiates one section of composite membrane
Time.
In above-mentioned steps (1), ionic liquid used is chlorination 1- butyl -3- methylimidazoles (BMIMCl), chlorination 1- allyls
Base -3- methylimidazoles (AMIMCl) etc..
In above-mentioned steps (1) and (2), in whole blend solution, cellulose mass fraction is 4.0~10.0%, carbon nanometer
Pipe mass fraction is that 0.5~3.0%, PNIPAM gel micro-balls mass fraction is 0.5~3.0%.
In above-mentioned steps (2), it is blended as heating water bath, 70~90 DEG C of temperature.
In above-mentioned steps (2), vacuum drying oven temperature is 60~85 DEG C, and vacuum time of repose is 12~48h.
In above-mentioned steps (3), wet-film thickness 0.5-2.0mm.
In above-mentioned steps (4), wet film time of repose is 12~48h；The natural drying time is 24~72h.
In above-mentioned steps (5), its film both sides is different liquids, it is characterised in that liquid can be water, various concentrations dyestuff
Solution, different solubility drug solutions, various concentrations electrolyte solution.
In above-mentioned steps (6), the intensity of near-infrared laser is 0.5-4.0W/cm2。
In above-mentioned steps (6), the time of near-infrared laser irradiation is generally 10~20min, or whole irradiation.
The superiority of the present invention：
The present invention is by the use of ionic liquid as medium by the photothermal conversion property of CNT and thermo-sensitive gel nano particle
With reference to, by the braiding of cellulose, near-infrared laser response composite membrane is prepared, and controlled release release field is used it for, prepare
Method is simple, and material therefor is green, is preparing long-range controlled release multiple device etc. boundless development space.
Brief description of the drawings
The following drawings is only intended in schematically illustrating and explain to the present invention, however it is not limited to the scope of the present invention.Wherein：
Fig. 1：For the result figure of embodiment in the present invention 1.
Fig. 2-3：For the result figure of embodiment in the present invention 2.
Embodiment
Below in conjunction with the accompanying drawings the present invention is described with specific embodiment.Unless stated otherwise, skill used in the present invention
Art means are method known in those skilled in the art.In addition, embodiment be interpreted as it is illustrative, and unrestricted
The scope of invention, the spirit and scope of the invention are limited only by the claims that follow.To those skilled in the art, not
On the premise of spirit and scope of the present invention, the various changes that are carried out to the material component in these embodiments and dosage or
Change falls within protection scope of the present invention.
Embodiment 1：By CNT, microcrystalline cellulose Avicel ionic liquid dispersion liquid and PNIPAM gelular ion liquid
Dispersion liquid mixes, and 4h is sufficiently stirred under 70 DEG C of water bath conditions makes it well mixed, obtains CNTs: PNIPAAM: Avicel ratio
Example is 1: 2: 12 preparation liquid, and it is the compound of 0.5mm to obtain wet-film thickness using scraper after 70 DEG C of standing 12h in vacuum drying oven
Film, fully wash after being stored at room temperature 24h, spontaneously dried under room temperature condition, it is fine to obtain the CNT regeneration containing gel micro-ball
Tie up plain composite membrane, such as Fig. 1.
Embodiment 2：Composite membrane is clipped among device, side is distilled water, and side is 20mg/L rhodamine B solution,
Such as Fig. 2.It is respectively 2.0W/cm in 30-45min, 90-105min use intensity2Near-infrared laser to carbon nano-tube compound film
15min is irradiated, pure water side liquid demarcation absorbance is taken out in different time, absorbance change scatter diagram is obtained, with adjacent
Absorbance does difference, obtains absorbance difference change histogram, such as Fig. 3., it is apparent that there is near-infrared laser irradiation
When, when absorbance change less near-infrared laser irradiates faster, i.e., the composite membrane has certain response energy to near-infrared laser
Power.
Claims (10)
1. a kind of preparation method and application of carbon nano-tube compound film, comprises the following steps：
(1) certain density cellulose ionic liquid solution, the carbon nanotube ionic liquid dispersion of certain percentage composition are configured
With the NIPA gel micro-ball ionic liquid dispersion liquid of certain percentage composition；
(2) above-mentioned three kinds of liquid is blended at a certain temperature according to a certain percentage, and heats and vacuumize in vacuum drying oven
To remove mixed liquor bubble；
(3) mixed liquor after vacuum outgas is coated on flat board with certain thickness with scraper, spontaneously dried；
(4) after wet film stands certain time, repeatedly washed with water, spontaneously dry certain time, obtain new CNT regeneration
Cellulose composite membrane；
(5) composite membrane is placed in osmotic cell, film both sides are different liquids；
(6) laser controller is opened, when the near-infrared laser that the wavelength using some strength is 808nm irradiates one section of composite membrane
Between.
2. a kind of according to claim 1, the compound membrane preparation method of carbon nano-tube fibre element, ionic liquid used is chlorination 1-
Butyl -3- methylimidazoles (BMIMCl), chlorination 1- pi-allyl -3- methylimidazoles (AMIMCl) etc..
A kind of 3. according to claim 1, the compound membrane preparation method of carbon nano-tube fibre element, it is characterised in that whole blending
In solution, cellulose mass fraction is 4.0~10.0%, and carbon nanotube mass fraction is that 0.5~3.0%, PNIPAM gels are micro-
Ball mass fraction is 0.5~3.0%.
A kind of 4. according to claim 1, CNT regenerated cellulose composite film preparation method, it is characterised in that blending
For heating water bath, 70~90 DEG C of temperature.
A kind of 5. according to claim 1, CNT regenerated cellulose composite film preparation method, it is characterised in that vacuum
Oven temperature is 60~85 DEG C, and vacuum time of repose is 12~48h.
A kind of 6. according to claim 1, CNT regenerated cellulose composite film preparation method, it is characterised in that wet film
Thickness is 0.5-2.0mm.
A kind of 7. according to claim 1, CNT regenerated cellulose composite film preparation method, it is characterised in that wet film
Time of repose is 12~48h；The natural drying time is 24~72h.
8. a kind of according to claim 1, CNT regenerated cellulose composite film application, its film both sides is different liquid
Body, it is characterised in that liquid can be that water, various concentrations dye solution, different solubility drug solutions, various concentrations electrolyte are molten
Liquid.
9. according to claim 1, the intensity of near-infrared laser is 0.5-4.0W/cm2。
10. according to claim 1, the time of near-infrared laser irradiation is generally 10~20min, or whole irradiation.
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| CN201710886108.9A CN107602927A (en) | 2017-09-25 | 2017-09-25 | A kind of preparation and application method of carbon nano-tube compound film |
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| CN201710886108.9A CN107602927A (en) | 2017-09-25 | 2017-09-25 | A kind of preparation and application method of carbon nano-tube compound film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109012222A (en) * | 2018-08-14 | 2018-12-18 | 大连理工大学 | A kind of preparation and application of the composite membrane for purifying biological method production alcohol compound |
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| CN103242554A (en) * | 2013-05-13 | 2013-08-14 | 中国科学院化学研究所 | Nanometer plural gel and preparation method thereof |
| WO2014015334A1 (en) * | 2012-07-20 | 2014-01-23 | Brown University | System and methods for nanostructure protected delivery of treatment agent and selective release thereof |
| CN105906760A (en) * | 2016-06-28 | 2016-08-31 | 天津工业大学 | Preparation method of novel temperature-sensitive nano gel microspheres |
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2017
- 2017-09-25 CN CN201710886108.9A patent/CN107602927A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015334A1 (en) * | 2012-07-20 | 2014-01-23 | Brown University | System and methods for nanostructure protected delivery of treatment agent and selective release thereof |
| CN103242554A (en) * | 2013-05-13 | 2013-08-14 | 中国科学院化学研究所 | Nanometer plural gel and preparation method thereof |
| CN105906760A (en) * | 2016-06-28 | 2016-08-31 | 天津工业大学 | Preparation method of novel temperature-sensitive nano gel microspheres |
Non-Patent Citations (1)
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| ERENCIA, M等: "Thermosensitive fibres of lyocell/poly(N-isopropylacrylamide): multiparametric analysis for studying the graft copolymerization", 《POLYMER INTERNATIONAL》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109012222A (en) * | 2018-08-14 | 2018-12-18 | 大连理工大学 | A kind of preparation and application of the composite membrane for purifying biological method production alcohol compound |
| CN109012222B (en) * | 2018-08-14 | 2020-12-11 | 大连理工大学 | Preparation and application of composite membrane for producing alcohol compounds by purification biological method |
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