CN104072958A - Conductive shower-shaped microcellular foaming functional film and preparation method thereof - Google Patents
Conductive shower-shaped microcellular foaming functional film and preparation method thereof Download PDFInfo
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- CN104072958A CN104072958A CN201410319779.3A CN201410319779A CN104072958A CN 104072958 A CN104072958 A CN 104072958A CN 201410319779 A CN201410319779 A CN 201410319779A CN 104072958 A CN104072958 A CN 104072958A
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- seedpod
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Abstract
The invention discloses a conductive shower-shaped microcellular foaming functional film and a preparation method thereof. The film comprises the following components in parts by weight: 0.010-0.030 parts of multi-wall carbon nano tube, 9.0-29.0 parts of polymer, 0.5-1.5 parts of foaming agent and 100 parts of organic solvent. The conductive shower-shaped microcellular foaming functional film provided by the invention is prepared from the multi-wall carbon nano tube and a polymer through blending and foaming in the organic solvent by using the foaming agent. The microcellular foaming functional film is prepared by using the foaming agent in manners of forming bubbles and molding, and does not need a template, so that the conductive shower-shaped microcellular foaming functional film has the advantages of simple preparation method, low cost and short production period; the product can be applied to the fields of a series of electrochemical energy conversion and storage equipment (for example, batteries and super capacitors), medical membrane separation and biomedical tissue engineering scaffolds and the like, and especially can be widely applied to the fields such as communication, medical treatment, bioscience, environment detection and the like as a miniature apparatus.
Description
Technical field
The invention belongs to microporous foam thin film technique field, particularly relate to a kind of electroconductibility seedpod of the lotus shape microporous foam function film and preparation method thereof.
Background technology
No matter the microporous foam film that existing market is sold is to adopt chemical process or physical method acquisition, the kind in its hole mainly contains two kinds of closed pore and perforates, and the shape in the hole overwhelming majority is honeycomb type, if want, obtain the microporous foam film of seedpod of the lotus shape hole shape, must adopt specific template, will cause like this that stamp fabrication is complicated, cost is high, the production cycle is long, but the current method of not yet finding the simple microporous foam film of preparing seedpod of the lotus shape hole shape.
In addition, because multi-walled carbon nano-tubes (MWCNT) has unique physical properties, high conductivity, chemistry and mechanical stability and large specific surface area, therefore oneself becomes one of material of design function film current of greatest concern, comprises catalytic film, machine applications film and the conversion of a series of electrochemical energy and storing device (for example battery and electrochemical capacitance).As a kind of novel nano material, multi-walled carbon nano-tubes has shown wide prospect aspect biologic applications, at aspects such as medicine, cell, protein carrier and genes, obtained research widely, also at physiologically acceptable, long-lived medical science prosthetic device, bring into play potential function, therefore must become the good material of biomedical sector.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of electroconductibility seedpod of the lotus shape microporous foam function film and preparation method thereof
In order to achieve the above object, electroconductibility seedpod of the lotus shape microporous foam function film provided by the invention is comprised of the following component in weight part:
The surface of described multi-walled carbon nano-tubes was carried out finishing by acid and was processed, and its diameter is 30-5nm, length 30um, and purity > 99.9%.
Described polymkeric substance is synthetic polymer or biodegradable polymer, and wherein synthetic polymer is selected from any in poly(isophthaloyl metaphenylene diamine), PPTA, cellulose acetate, polyaniline, polyethylene oxide (PEO), polylactide, polyacrylonitrile (PAN), polystyrene (PS), polyester (PET), polyethylene glycol oxalate (PEO), polycarbonate (PC), polyvinylpyrrolidone; Biodegradable polymer is selected from polyvinyl alcohol (PVA), poly(lactic acid) (PLA), poly butyric ester (PHB) homopolymer, poly-valeric acid butyric ester (PHBV), polyhydroxy butyrate ester copolymer (3HB-co-4HB), poly-3-hydroxybutyrate and 3-hydroxyl any in acid copolymer (PHBHHx), 3-hydroxybutyrate and 3-hydroxydecanoic acid multipolymer (PHBD).
Described whipping agent adopts two kinds of composite forming in Diisopropyl azodicarboxylate (AIBN), 2,2'-Azobis(2,4-dimethylvaleronitrile) (ABVN), dibenzoyl peroxide (BPO), dilauroyl peroxide, peroxide tert pivalate ester and isopropyl benzene hydroperoxide.
Described organic solvent is selected from any in benzene, toluene, methylene dichloride, trichloromethane, acetone, ethanol, tetrahydrofuran (THF) (THF) and chloroform.
Electroconductibility seedpod of the lotus shape microporous foam function film preparation method provided by the invention is by said components in proportion after blend, be heated to 50 ℃-60 ℃, then high-speed stirring 20-60 minute under the stirring velocity of 1500 revs/min, solvent is all dissolved with polymkeric substance and react after be poured on flat board, be placed in vent position organic solvent is all volatilized, can be made into described electroconductibility seedpod of the lotus shape microporous foam function film after standing.
Electroconductibility seedpod of the lotus shape microporous foam function film provided by the invention is to utilize whipping agent blend in organic solvent foam and make multi-walled carbon nano-tubes and polymkeric substance, because the present invention utilizes whipping agent to form bubble in polymkeric substance and microporous foam function film is made in moulding, without template, therefore preparation method is simple, cost is low, with short production cycle, product can be used for a series of electrochemical energies and changes the fields such as and biomedical tissue engineering rack separated with storing device (such as battery and electrochemical capacitance) and medical films, especially can be used as microdevice in communication, medical treatment, life science, be used widely in the fields such as environment measuring.
Accompanying drawing explanation
Fig. 1 is electroconductibility seedpod of the lotus shape microporous foam function film provided by the invention 500 power microscope photos.
Embodiment
Below in conjunction with the drawings and specific embodiments, electroconductibility seedpod of the lotus shape microporous foam function film provided by the invention and preparation method thereof is elaborated.
Embodiment 1:
The electroconductibility seedpod of the lotus shape microporous foam function film that the present embodiment provides is comprised of following component by weight:
First the electroconductibility seedpod of the lotus shape microporous foam function film preparation method that the present embodiment provides weighs above-mentioned each component, then join in container and mix, be heated to 50 ℃, high-speed stirring 30 minutes under the stirring velocity of 1500 revs/min afterwards, after solvent is fully dissolved with polymkeric substance and reacting, be poured on and dull and stereotyped go up and be placed in ventilation, chloroform is all volatilized, the electroconductibility seedpod of the lotus shape microporous foam function film described in can forming after standing.
Embodiment 2:
The electroconductibility seedpod of the lotus shape microporous foam function film that the present embodiment provides is comprised of following component by weight:
First the electroconductibility seedpod of the lotus shape microporous foam function film preparation method that the present embodiment provides weighs above-mentioned each component, then join in container and mix, be heated to 60 ℃, high-speed stirring 20 minutes under the stirring velocity of 1500 revs/min afterwards, after solvent is fully dissolved with polymkeric substance and reacting, be poured on and dull and stereotyped go up and be placed in ventilation, benzene is all volatilized, the electroconductibility seedpod of the lotus shape microporous foam function film described in can obtaining after standing.
Embodiment 3:
First the electroconductibility seedpod of the lotus shape microporous foam function film preparation method that the present embodiment provides weighs above-mentioned each component, then join in container and mix, be heated to 55 ℃, high-speed stirring 35 minutes under the stirring velocity of 1500 revs/min afterwards, make after the abundant solubilizing reaction of solvent and polymkeric substance, be poured on and dull and stereotyped go up and be placed in ventilation, toluene is all volatilized, can be gone up the electroconductibility seedpod of the lotus shape microporous foam function film described in forming after standing.
Embodiment 4:
First the electroconductibility seedpod of the lotus shape microporous foam function film preparation method that the present embodiment provides weighs above-mentioned each component, then join in container and mix, be heated to 50 ℃, high-speed stirring 60 minutes under the stirring velocity of 1500 revs/min afterwards, after solvent is fully dissolved with polymkeric substance and reacting, be poured on and dull and stereotyped go up and be placed in ventilation, tetrahydrofuran (THF) is all volatilized, the electroconductibility seedpod of the lotus shape microporous foam function film described in can obtaining after standing.
Embodiment 5:
Preparation method is with embodiment 1.
Embodiment 6:
Preparation method is with embodiment 2.
Embodiment 7:
Preparation method is with embodiment 3.
Embodiment 8:
Preparation method is with embodiment 4.
The inventor observes the product that utilizes above-described embodiment to obtain at the microscope of 500 times, its Photomicrograph as shown in Figure 1, this shows, the hole shape of microporous foam function film provided by the invention is seedpod of the lotus shape.
To utilizing the product that above-described embodiment obtains to test according to performance test mechanics standard (GB/T3354-1999), result is as follows simultaneously:
Porosity: >=90%
Aperture: 10～100 μ m
Thickness: 0.5-1mm
Tensile strength: >=10.5Mpa
Elongation at break: >=50%
Specific conductivity: 10
-2-10
-4s/m
As can be seen from the above results, the product that above-described embodiment obtains has electroconductibility, and closed pore foaming porosity is high, and water vapour permeability, air guide, filterableness are good, and have good tensile strength and elongation at break.
Claims (6)
1. an electroconductibility seedpod of the lotus shape microporous foam function film, is characterized in that: it is comprised of the following component in weight part:
2. electroconductibility seedpod of the lotus shape microporous foam function film according to claim 1, it is characterized in that: the surface of described multi-walled carbon nano-tubes was carried out finishing by acid and processed, its diameter is 30-5nm, length 30um, and purity > 99.9%.
3. electroconductibility seedpod of the lotus shape microporous foam function film according to claim 1, it is characterized in that: described polymkeric substance is synthetic polymer or biodegradable polymer, and wherein synthetic polymer is selected from any in poly(isophthaloyl metaphenylene diamine), PPTA, cellulose acetate, polyaniline, polyethylene oxide, polylactide, polyacrylonitrile, polystyrene, polyester, polyethylene glycol oxalate, polycarbonate, polyvinylpyrrolidone; Biodegradable polymer is selected from polyvinyl alcohol, poly(lactic acid), polyhydroxybutyrate ester homopolymer, poly-valeric acid butyric ester, polyhydroxy butyrate ester copolymer, poly-3-hydroxybutyrate and 3-hydroxyl any in acid copolymer, 3-hydroxybutyrate and 3-hydroxydecanoic acid multipolymer.
4. electroconductibility seedpod of the lotus shape microporous foam function film according to claim 1, is characterized in that: described whipping agent adopts two kinds of composite forming in Diisopropyl azodicarboxylate, 2,2'-Azobis(2,4-dimethylvaleronitrile), dibenzoyl peroxide, dilauroyl peroxide, peroxide tert pivalate ester and isopropyl benzene hydroperoxide.
5. electroconductibility seedpod of the lotus shape microporous foam function film according to claim 1, is characterized in that: described organic solvent is selected from any in benzene, toluene, methylene dichloride, trichloromethane, acetone, ethanol, tetrahydrofuran (THF) and chloroform.
6. the preparation method of an electroconductibility seedpod of the lotus shape microporous foam function film as claimed in claim 1, it is characterized in that: described preparation method is by said components in proportion after blend, be heated to 50 ℃-60 ℃, then high-speed stirring 20-60 minute under the stirring velocity of 1500 revs/min, solvent is all dissolved with polymkeric substance and react after be poured on flat board, be placed in vent position organic solvent is all volatilized, can be made into described electroconductibility seedpod of the lotus shape microporous foam function film after standing.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403287A (en) * | 2014-11-25 | 2015-03-11 | 苏州市贝克生物科技有限公司 | Carbon nano tube/polylactic acid medical composite film and preparation method thereof |
| CN108841158A (en) * | 2018-06-30 | 2018-11-20 | 杭州高烯科技有限公司 | A kind of graphene-foaming polycarbonate composite material and preparation method thereof |
| CN110079071A (en) * | 2019-06-03 | 2019-08-02 | 南京工业职业技术学院 | One kind can be with biodegradable high-impact polycarbonate nano composite material and preparation method thereof |
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| CN1911982A (en) * | 2006-08-24 | 2007-02-14 | 中国民航大学 | Micropore foamed polymer capable of biodegradable and its preparation method |
| CN101085863A (en) * | 2007-07-05 | 2007-12-12 | 上海扬泽纳米新材料有限公司 | Conducing composite material and preparation method thereof |
| WO2008045109A2 (en) * | 2005-12-19 | 2008-04-17 | University Of Virginia Patent Foundation | Conducting nanotubes or nanostructures based composites, method of making them and applications |
| CN103706259A (en) * | 2014-01-09 | 2014-04-09 | 天津工业大学 | Porous membrane and pore-forming method thereof |
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2014
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Patent Citations (4)
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| WO2008045109A2 (en) * | 2005-12-19 | 2008-04-17 | University Of Virginia Patent Foundation | Conducting nanotubes or nanostructures based composites, method of making them and applications |
| CN1911982A (en) * | 2006-08-24 | 2007-02-14 | 中国民航大学 | Micropore foamed polymer capable of biodegradable and its preparation method |
| CN101085863A (en) * | 2007-07-05 | 2007-12-12 | 上海扬泽纳米新材料有限公司 | Conducing composite material and preparation method thereof |
| CN103706259A (en) * | 2014-01-09 | 2014-04-09 | 天津工业大学 | Porous membrane and pore-forming method thereof |
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| 张明艳等: ""聚酰亚胺/多壁碳纳米管杂化薄膜的力学性能研究"", 《绝缘材料》, vol. 44, no. 2, 31 December 2011 (2011-12-31), pages 56 - 62 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403287A (en) * | 2014-11-25 | 2015-03-11 | 苏州市贝克生物科技有限公司 | Carbon nano tube/polylactic acid medical composite film and preparation method thereof |
| CN108841158A (en) * | 2018-06-30 | 2018-11-20 | 杭州高烯科技有限公司 | A kind of graphene-foaming polycarbonate composite material and preparation method thereof |
| CN110079071A (en) * | 2019-06-03 | 2019-08-02 | 南京工业职业技术学院 | One kind can be with biodegradable high-impact polycarbonate nano composite material and preparation method thereof |
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