CN102926207B - Conductive fabric prepared by dip dyeing technology and preparation method and application of conductive fabric - Google Patents
Conductive fabric prepared by dip dyeing technology and preparation method and application of conductive fabric Download PDFInfo
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- CN102926207B CN102926207B CN201210454848.2A CN201210454848A CN102926207B CN 102926207 B CN102926207 B CN 102926207B CN 201210454848 A CN201210454848 A CN 201210454848A CN 102926207 B CN102926207 B CN 102926207B
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Abstract
The invention relates to a conductive fabric prepared by a dip dyeing technology, a preparation method of the conductive fabric and application of the conductive fabric. The conductive fiber is prepared from the following components in percentage by weight: 0.1 to 20% of conductive particle, and 80 to 99.9% of polymer fiber. The preparation method comprises steps as follows: (1) dipping the fabric into an alkaline solution, then taking out to wash by water until reaching neutral; (2) dipping the fabric into a preprocessing solution, then taking out to dry; (3) dipping the fabric into a dyeing assistant solution; and (4) transferring the fabric into a water dispersing solution of a conductive particle, and attaching conductive particles on the fabric under an ultrasonic effect, and then taking out to dry to obtain the conductive fabric. The preparation method is green and environment-friendly in preparation process, and simple and convenient in technology; prepared conductive fabric is high in conductivity, conductive components are hardly fallen, a conductive performance is long-acting, and prepared conductive fabric tastes soft and can be tailored; and the conductive fabric can be used as anti-static fiber and fabric, metal and organic pollutant absorbing materials, gas and liquid and organism induction materials, and energy storage electrode materials.
Description
Technical field
The invention belongs to conductive fabric and its preparation method and application field, be specifically related to a kind of conductive fabric prepared by dip-dye technology and its preparation method and application that adopts.
Background technology
Conductive fabric, as the textile material of a class novelty, has not only retained flexibility, the stitchability of conventional fabrics, has given again the electric property of material, functional.Make it huge at field application potentials such as sensor, stored energy, absorption and catalysis.Along with deepening continuously of research, the Application Areas of conductive fabric has also obtained constantly expanding, wherein comparatively extensive in the application in the fields such as electron and electrician, instrument, communication, space flight, health care and motion detection and military affairs.But the market price of conductive fiber and fabric is very high at present, processing cost is also higher, and technique is also more complicated, and this has limited to a certain extent the production of conductive fiber and fabric and has popularized, and there is permanent conductive fiber and fabric has higher added value, its economic benefit highly significant.
The preparation of conductive fabric adopts the mode of post processing to process fabrics in general more, electrically conductive layer on its Surface mulch, common method has physical vapour deposition (PVD) (CN 1187471C), plating and electroless plating technology (CN 100570047C), in-situ chemical polymerization (CN 102337679A), pads processing (CN 101403189B, CN 101613943B) and wet dip dyeing treatment (CN 1021924C, CN 101215779, CN 101845753A) etc.As people such as Di Jianfeng, take chemical & blended fabric as matrix material, polyaniline is conductive material, utilizes situ aggregation method (claiming again " scene " adsorpting polymerization method), prepares the conductive fabric with excellent conductive performance.In the process of aniline dipping base cloth, be aided with ultrasonic wave impregnation process, base cloth is had to a good surface modification effect, more be conducive on fiber surface that conductive material deposits to base cloth in polymerisation, and be penetrated into the fibrous inside of base cloth, make electric conductivity and conduction stable improve (CN 102337679A).The people such as Li Rong process fabric with kayexalate, two soak two rolls, and then immerses in the mixed liquor of aniline and ammonium persulfate, make conductive fabric (CN101403189B, CN 101613943B).The people such as Xu Wenzhi, under certain temperature and pressure, adopt conductive processing liquid to process fabric, make to contain in fabric a certain amount of cuprous sulfide, thereby have electric conductivity (CN 1021924C).The people such as Chen Baosheng soak fiber with stannous chloride or cadmium chloride solution, make fiber surface absorption one deck tin ion or cadmium ion, then utilize chemical plating method in fiber surface plate silver, obtain conductive fiber (CN 100570047C).The people such as Chen Baosheng carry out immersion treatment with stannous chloride or cadmium chloride solution to fiber, at fiber surface, form layer of metal Catalytic Layer, then carry out chemical silvering, obtain conductive fabric (CN 101215779).The people such as Hou Yi put into conducting polymer particle dispersing solution by terylene PURE YARN FABRIC or polyester cotton, carry out wet dip dyeing treatment, and reduction cleaning, rinsing, oven dry and sizing obtain Anti-static/conductive fabric (CN 101845753A).C-based nanomaterial (as the graphite powder of nano-scale and CNT) because of have higher electrical conductivity and cheap and easy to get also can be as preparing the conducting particles of conductive fabric.The people such as Wang Yimin by polyethylene fiber without latitude cloth uniform spreading on up-coiler, through mixing CNT and adhesive gluing post-drying, obtain conductive fiber (CN101016678).The people such as Zou Lihua adopt pads technology, utilizes carbon nano tube dispersion liquid, realizes the super-hydrophobic of cellulosic fabric and conduction are arranged to (CN 102605608A).But the conductive compositions of carbon back conductive fabric prepared by these technology easily comes off, wash resistant not, conduction persistence is poor.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of conductive fabric prepared by dip-dye technology and its preparation method and application that adopts, prepared conductive fabric has that conductance is high, conductive compositions difficult drop-off, electric conductivity is lasting, soft and can cutting etc. advantage, can be used as antistatic (electromagnetic shielding) fiber and textile, metal and Adsorption of Organic material, gas and liquid and biological sensing material, energy storage electrode material etc.; The method preparation process is without organic solvent, environmental protection, and simple process, with low cost, be produced on a large scale.
A kind of conductive fabric that adopts dip-dye technology to prepare of the present invention, by percentage to the quality, conducting particles content is 0.1～20%, polymer fiber content is 80～99.9%;
Described polymer fiber comprises the fabrics such as polyester fiber, polyamide fiber, vinal, polypropylene fibre, polyvinyl chloride fibre.
Described conducting particles is the graphite powder of CNT, Graphene, graphite oxide or nano-scale.
A kind of preparation method who adopts conductive fabric prepared by dip-dye technology of the present invention, comprising:
(1) fabric is first soaked to 30～90min in alkali lye, take out and be washed to neutrality;
(2) above-mentioned fabrics is immersed to 10～90s in pretreatment fluid, take out and dry;
(3) again above-mentioned fabrics is immersed in dyeing auxiliaries solution and is infiltrated;
(4) finally fabric is transferred in the aqueous dispersions of conducting particles and infiltrated, under ultrasonication, conducting particles is adsorbed onto on fabric, take out and dry, obtain conductive fabric.
Pretreatment fluid in described step (2) is polyurethane solutions, and wherein the concentration of polyurethane is 0.1～3%.
Pretreatment time in described step (2) is 10～90s.
Dyeing auxiliaries in described step (3) is aniline or pyrroles's the aqueous solution, and wherein aniline or pyrroles's concentration is 1 ~ 20g/L.
The infiltrating time of fabric in described step (3) in dyeing auxiliaries is 5 ~ 30min.
In aqueous dispersions in described step (4), the concentration of conducting particles is 0.1～50g/L.
The infiltrating time of fabric in described step (4) in the aqueous dispersions of conducting particles is 1 ~ 30min.
A kind of application that adopts conductive fabric prepared by dip-dye technology of the present invention, comprising: as antistatic (electromagnetic shielding) fiber and textile, energy storage electrode material, metal and Adsorption of Organic material, gas and liquid and biological sensing material etc.
The present invention adopts dip-dye technology, introduces bonding transition zone between carbon back conductive layer and fabric, by applying polyurethane and adopt aniline or pyrroles as dyeing auxiliaries on fabrics in general, conducting particles is more easily bonded on fabric, prepares conductive fabric.In the advantage such as guarantee fabrics feel soft and can cut out, realize the stable and high electricity of conductive coating structure and lead.Without surfactant or conducting particles, be distributed in organic solvent in addition, conducting particles is adsorbed in water and carries out.Preparation process is environmental protection comparatively, and simple process is with low cost, can accomplish scale production.
beneficial effect
(1) comparatively environmental protection of preparation process of the present invention, simple process, with low cost, can accomplish scale production;
(2) the prepared conductive fabric of the present invention have that conductance is high, conductive compositions difficult drop-off, electric conductivity is lasting, soft and can cutting etc. advantage, can be used as antistatic (electromagnetic shielding) fiber and textile, energy storage electrode material, metal and Adsorption of Organic material, gas and liquid and biological sensing material etc.
Accompanying drawing explanation
The conductive fabric photo of Fig. 1 Graphene and the compound preparation of polyester textile;
Fig. 2 Graphene is at the compound scanning electron microscope (SEM) photograph of polyester textile upper surface;
The energy storage electrochemical behavior of Fig. 3 Graphene/cellulose conductive fabric;
The gas sensing curve of Fig. 4 Graphene/conductive polyurethane fabric.
The specific embodiment
Below in conjunction with embodiment, further set forth the present invention.These embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition, after having read the content that the present invention tells about, those skilled in the art can do various modifications to the present invention, and these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
0.1g polyester textile is first soaked to 30min in alkali lye, take out and be washed to neutrality; Be immersed in again mass fraction and be 0.1% polyurethane solutions, soak 10s, take out and dry; Then fabric is immersed in the aniline-water solution of 100ml1g/L, process 5min; Finally fabric is transferred in the aqueous dispersions of 0.1g/L Graphene and infiltrated 5min, under ultrasonication, conducting particles is adsorbed onto on fabric, take out and dry, obtain conductive fabric (seeing Fig. 1 and Fig. 2).The mass percent that Graphene accounts for conductive fabric is 3.5%, and fabric electrical conductivity is 3.6 * 10
2Ω
-1cm
-1.
0.1g polyester textile is first soaked to 60min in alkali lye, take out and be washed to neutrality; Be immersed in again mass fraction and be 0.5% polyurethane solutions, soak 30s, take out and dry; Then fabric is immersed in the aniline-water solution of 100ml10g/L, process 30min; Finally fabric is transferred in the aqueous dispersions of 25g/L CNT, under ultrasonication, conducting particles is adsorbed onto on fabric, take out and dry, obtain conductive fabric.The mass percent that CNT accounts for conductive fabric is 7.8%, and fabric electrical conductivity is 7.9 * 10
2Ω
-1cm
-1.
Embodiment 3
0.1g polyester textile is first soaked to 90min in alkali lye, pick up and be washed to neutrality; Be immersed in again mass fraction and be 2% polyurethane solutions, soak 90s, pick up oven dry; Then fabric is immersed in pyrroles's aqueous solution of 100ml 20g/L, process 20min; Finally fabric is transferred in the aqueous dispersions of 5g/L Graphene and infiltrated 20min, under ultrasonication, conducting particles is adsorbed onto on fabric, pick up oven dry, obtain conductive fabric.The mass percent that Graphene accounts for conductive fabric is 6.9%, and fabric electrical conductivity is 7.2 * 10
2Ω
-1cm
-1.
Embodiment 4
0.1g polyester textile is first soaked to 30min in alkali lye, pick up and be washed to neutrality; Be immersed in again mass fraction and be 3% polyurethane solutions, soak 30s, pick up oven dry; Then fabric is immersed in pyrroles's aqueous solution of 100ml 5g/L, process 30min; Finally fabric is transferred in the aqueous dispersions of 10g/L CNT and infiltrated 30min, under ultrasonication, conducting particles is adsorbed onto on fabric, pick up oven dry, obtain conductive fabric.The mass percent that CNT accounts for conductive fabric is 6.4%, and fabric electrical conductivity is 6.8 * 10
2Ω
-1cm
-1.
Embodiment 5
0.1g cellulosic fabric is first soaked to 30min in alkali lye, pick up and be washed to neutrality; Be immersed in again mass fraction and be 0.5% polyurethane solutions, soak 30s, pick up oven dry; Then fabric is immersed in 100ml 5g/L aniline-water solution, process 30min; Finally fabric is transferred in the aqueous dispersions of 0.1g/L Graphene, under ultrasonication, conducting particles is adsorbed onto on fabric, pick up oven dry, obtain conductive fabric.The mass percent that Graphene accounts for conductive fabric is 5.3%, and fabric electrical conductivity is 5.6 * 10
2Ω
-1cm
-1.Take conductive fabric as working electrode, and take Pt electrode as to electrode, Ag/AgCl is reference electrode, adds 0.5M Na
2sO
4electrolyte, forms three-electrode system.Under the sweep speed of 20mV/s, the ratio capacitance recording is about 102.5F/g(and sees Fig. 3); Circulate after 1000 times and be no more than 20% than the decay of capacitance.
Embodiment 6
0.1g polyamide fabric is first soaked to 30min in the alkali lye of 2M, pick up and be washed to neutrality; Be immersed in again mass fraction and be 0.5% polyurethane solutions, soak 30s, pick up oven dry; Then fabric is immersed in 100ml 5g/L aniline-water solution, process 30min; Finally fabric is transferred in the aqueous dispersions of 0.1g/L Graphene, under ultrasonication, conducting particles is adsorbed onto on fabric, pick up oven dry, obtain conductive fabric.The mass percent that Graphene accounts for conductive fabric is 5.1%, and fabric electrical conductivity is 5.1 * 10
2Ω
-1cm
-1.This conductive fiber can be used for gas sensing, and for chloroform gas, its response time is second-time (see figure 4).
Claims (5)
1. a preparation method who adopts conductive fabric prepared by dip-dye technology, comprising:
(1) fabric is first soaked to 30～90min in alkali lye, take out and be washed to neutrality;
(2) above-mentioned fabrics is immersed to 10～90s in pretreatment fluid, take out and dry; Wherein pretreatment fluid is polyurethane solutions;
(3) again above-mentioned fabrics is immersed in dyeing auxiliaries solution and is infiltrated; Wherein dyeing auxiliaries is aniline or pyrroles's the aqueous solution;
(4) finally fabric is transferred in the aqueous dispersions of conducting particles and infiltrated, under ultrasonication, conducting particles is adsorbed onto on fabric, take out and dry, obtain conductive fabric; Conductive fabric wherein, by mass percentage, conducting particles content is 0.1～20%, polymer fiber content is 80～99.9%; Wherein polymer fiber comprises polyester fiber, polyamide fiber, vinal, polypropylene fibre or polyvinyl chloride fibre; Conducting particles is the graphite powder of CNT, Graphene, graphite oxide or nano-scale.
2. a kind of preparation method who adopts conductive fabric prepared by dip-dye technology according to claim 4, is characterized in that: in described step (2), the mass percent concentration of polyurethane solutions is 0.1～3%.
3. a kind of preparation method who adopts conductive fabric prepared by dip-dye technology according to claim 4, is characterized in that: in described step (3), the concentration of aniline or pyrroles's the aqueous solution is 1～20g/L.
4. a kind of preparation method who adopts conductive fabric prepared by dip-dye technology according to claim 4, is characterized in that: the infiltrating time of the fabric in described step (3) in dyeing auxiliaries is 5～30min.
5. a kind of preparation method who adopts conductive fabric prepared by dip-dye technology according to claim 4, is characterized in that: in the aqueous dispersions in described step (4), the concentration of conducting particles is 0.1～50g/L; The infiltrating time of fabric in described step (4) in conducting particles aqueous dispersions is 1～30min.
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| WO2017132734A1 (en) * | 2016-02-03 | 2017-08-10 | Imagine Intelligent Materials Pty Ltd | Geotextile with conductive properties |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4892910B2 (en) * | 2005-09-29 | 2012-03-07 | 東レ株式会社 | Conductive fiber and fiber product using the same |
| JP2008214807A (en) * | 2007-03-05 | 2008-09-18 | Toray Ind Inc | Fiber and fiber product composed of the same, and fiber brush |
| JP2010261108A (en) * | 2007-08-31 | 2010-11-18 | Hokkaido Univ | Synthetic fiber, synthetic fiber yarn or fiber structure having carbon nano tubes adhered thereto and method for producing these |
| JP5557992B2 (en) * | 2008-09-02 | 2014-07-23 | 国立大学法人北海道大学 | Conductive fiber, conductive yarn, fiber structure having carbon nanotubes attached thereto, and manufacturing method thereof |
| CN102770815A (en) * | 2010-03-03 | 2012-11-07 | 可乐丽日常生活株式会社 | Conductive multifilament yarn and conductive brush |
| CN101845753B (en) * | 2010-05-14 | 2012-06-06 | 苏州新纶超净技术有限公司 | Anti-static/conductive fabric and manufacture method thereof |
| CN102337668B (en) * | 2011-06-30 | 2013-03-20 | 苏州新纶超净技术有限公司 | Manufacture method of washable polyaniline/terylene composite conductive fabric |
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