CN102926207A - 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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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 that adopts the preparation of dip-dye technology and its preparation method and application.
Background technology
Conductive fabric has not only kept flexibility, the stitchability of conventional fabrics as the textile material of a class novelty, has given again the electric property of material, and is 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, and wherein the application in fields such as electron and electrician, instrument, communication, space flight, health care and motion detection and military affairs is comparatively extensive.But the market price of conductive fiber and fabric is very high at present, processing cost is also higher, and technique is also complicated, and this has limited to a certain extent the production of conductive fiber and fabric and has popularized, and has nonvolatil conductive fiber and fabric has higher added value, its economic benefit highly significant.
The preparation of conductive fabric adopts the mode of post processing that fabrics in general is processed 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.Take chemical ﹠ blended fabric as matrix material, polyaniline is conductive material such as people such as Di Jianfeng, 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 the ultrasonic wave impregnation process, base cloth there is a good surface modification effect, more be conducive on conductive material deposits to base cloth in polymerisation the fiber surface, and be penetrated into the fibrous inside of base cloth, so that 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 adopt conductive processing liquid to process fabric under certain temperature and pressure, make and contain a certain amount of cuprous sulfide in the fabric, thereby have electric conductivity (CN 1021924C).Human stannous chloride or the cadmium chloride solution immersion fibers such as Chen Baosheng make fiber surface absorption one deck tin ion or cadmium ion, then utilize chemical plating method in the fiber surface plate silver, obtain conductive fiber (CN 100570047C).The human stannous chloride such as Chen Baosheng or cadmium chloride solution carry out immersion treatment to fiber, form the layer of metal Catalytic Layer at fiber surface, then carry out chemical silvering, obtain conductive fabric (CN 101215779).The people such as Hou Yi put into the conducting polymer particle dispersing solution with terylene PURE YARN FABRIC or polyester cotton, carry out wet dip dyeing treatment, and reduction cleaning, rinsing, oven dry and typing obtain Anti-static/conductive fabric (CN 101845753A).C-based nanomaterial (such as graphite powder and the CNT of nano-scale) is because having higher electrical conductivity and the conducting particles that also can be used as the preparation conductive fabric cheap and easy to get.The people such as Wang Yimin with 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 arrangement (CN 102605608A).But the conductive compositions of the carbon back conductive fabric of these technology preparation easily comes off, wash resistant not, and the conduction persistence is relatively poor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of conductive fabric that adopts the preparation of dip-dye technology and its preparation method and application, prepared conductive fabric has, and conductance is high, the conductive compositions difficult drop-off, but electric conductivity is lasting, soft and the advantage such as cutting, 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 need not organic solvent, environmental protection, and simple process, with low cost, be produced on a large scale.
A kind of conductive fabric that adopts the preparation of dip-dye technology 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 the conductive fabric of dip-dye technology preparation of the present invention comprises:
(1) fabric is soaked first 30～90min in alkali lye, take out and be washed to neutrality;
(2) above-mentioned fabrics is immersed 10～90s in the pretreatment fluid, take out oven dry;
(3) above-mentioned fabrics is immersed in the dyeing auxiliaries solution infiltrates again;
(4) at last fabric is transferred in the aqueous dispersions of conducting particles and infiltrated, under ultrasonication, conducting particles is adsorbed onto on the fabric, take out oven dry, obtain conductive fabric.
Pretreatment fluid in the described step (2) is polyurethane solutions, and wherein the concentration of polyurethane is 0.1～3%.
Pretreatment time in the described step (2) is 10～90s.
Dyeing auxiliaries in the 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 dyeing auxiliaries in the described step (3) is 5 ~ 30min.
The concentration of conducting particles is 0.1～50g/L in the aqueous dispersions in the described step (4).
The infiltrating time of fabric in the aqueous dispersions of conducting particles in the described step (4) is 1 ~ 30min.
A kind of application of adopting the conductive fabric of dip-dye technology preparation of the present invention comprises: 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 the dip-dye technology, introduces the bonding transition zone between carbon back conductive layer and fabric, by applying polyurethane at fabrics in general and adopting aniline or pyrroles as dyeing auxiliaries, conducting particles more easily is bonded on the fabric, prepares conductive fabric.In the advantage such as guarantee fabrics feel soft and can cut out, realize that the stable and high electricity of conductive coating structure leads.Need not in addition surfactant or conducting particles and be distributed in the organic solvent, conducting particles is adsorbed on aqueous phase to carry 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) but the prepared conductive fabric of the present invention has that conductance is high, the conductive compositions difficult drop-off, electric conductivity is lasting, soft and the advantage such as cutting, can be used as antistatic (electromagnetic shielding) fiber and textile, the energy storage electrode material, metal and Adsorption of Organic material, gas and liquid and biological sensing material etc.
Description of drawings
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
Further set forth the present invention below in conjunction with embodiment.These embodiment only are not used in for explanation the present invention and limit the scope of the invention.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.
The 0.1g polyester textile is soaked first 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 oven dry; Then fabric is immersed in the aniline-water solution of 100ml1g/L, process 5min; At last fabric is transferred in the aqueous dispersions of 0.1g/L Graphene and infiltrated 5min, under ultrasonication, conducting particles is adsorbed onto on the fabric, take out oven dry, obtain conductive fabric (seeing Fig. 1 and Fig. 2).The mass percent that Graphene accounts for conductive fabric is 3.5%, and the fabric electrical conductivity is 3.6 * 10
2Ω
-1Cm
-1
The 0.1g polyester textile is soaked first 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 oven dry; Then fabric is immersed in the aniline-water solution of 100ml10g/L, process 30min; At last fabric is transferred in the aqueous dispersions of 25g/L CNT, under ultrasonication, conducting particles is adsorbed onto on the fabric, take out oven dry, obtain conductive fabric.The mass percent that CNT accounts for conductive fabric is 7.8%, and the fabric electrical conductivity is 7.9 * 10
2Ω
-1Cm
-1
Embodiment 3
The 0.1g polyester textile is soaked 90min first 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; At last fabric is transferred in the aqueous dispersions of 5g/L Graphene and infiltrated 20min, under ultrasonication, conducting particles is adsorbed onto on the fabric, pick up oven dry, obtain conductive fabric.The mass percent that Graphene accounts for conductive fabric is 6.9%, and the fabric electrical conductivity is 7.2 * 10
2Ω
-1Cm
-1
Embodiment 4
The 0.1g polyester textile is soaked 30min first 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; At last fabric is transferred in the aqueous dispersions of 10g/L CNT and infiltrated 30min, under ultrasonication, conducting particles is adsorbed onto on the fabric, pick up oven dry, obtain conductive fabric.The mass percent that CNT accounts for conductive fabric is 6.4%, and the fabric electrical conductivity is 6.8 * 10
2Ω
-1Cm
-1
Embodiment 5
The 0.1g cellulosic fabric is soaked 30min first 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 the 100ml 5g/L aniline-water solution, process 30min; At last fabric is transferred in the aqueous dispersions of 0.1g/L Graphene, under ultrasonication, conducting particles is adsorbed onto on the fabric, pick up oven dry, obtain conductive fabric.The mass percent that Graphene accounts for conductive fabric is 5.3%, and the fabric electrical conductivity is 5.6 * 10
2Ω
-1Cm
-1Take conductive fabric as working electrode, and take the 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 that records is about 102.5F/g(and sees Fig. 3); Circulating, the decay than capacitance is no more than 20% after 1000 times.
Embodiment 6
The 0.1g polyamide fabric is soaked 30min first 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 the 100ml 5g/L aniline-water solution, process 30min; At last fabric is transferred in the aqueous dispersions of 0.1g/L Graphene, under ultrasonication, conducting particles is adsorbed onto on the fabric, pick up oven dry, obtain conductive fabric.The mass percent that Graphene accounts for conductive fabric is 5.1%, and the fabric electrical conductivity is 5.1 * 10
2Ω
-1Cm
-1This conductive fiber can be used for gas sensing, and for chloroform gas, its response time is the second-time (see figure 4).
Claims (10)
1. conductive fabric that adopts dip-dye technology preparation, it is characterized in that: by percentage to the quality, conducting particles content is 0.1～20%, and polymer fiber content is 80～99.9%.
2. a kind of preparation method who adopts the conductive fabric of dip-dye technology preparation according to claim 1, it is characterized in that: described polymer fiber comprises polyester fiber, polyamide fiber, vinal, polypropylene fibre or polyvinyl chloride fibre.
3. a kind of preparation method who adopts the conductive fabric of dip-dye technology preparation according to claim 1, it is characterized in that: described conducting particles is the graphite powder of CNT, Graphene, graphite oxide or nano-scale.
4. a kind of preparation method who adopts the conductive fabric of dip-dye technology preparation according to claim 1 comprises:
(1) fabric is soaked first 30～90min in alkali lye, take out and be washed to neutrality;
(2) above-mentioned fabrics is immersed 10～90s in the pretreatment fluid, take out oven dry;
(3) above-mentioned fabrics is immersed in the dyeing auxiliaries solution infiltrates again;
(4) at last fabric is transferred in the aqueous dispersions of conducting particles and infiltrated, under ultrasonication, conducting particles is adsorbed onto on the fabric, take out oven dry, obtain conductive fabric.
5. a kind of preparation method who adopts the conductive fabric of dip-dye technology preparation according to claim 4, it is characterized in that: the pretreatment fluid in the described step (2) is polyurethane solutions, wherein the mass percent concentration of polyurethane is 0.1～3%.
6. a kind of preparation method who adopts the conductive fabric of dip-dye technology preparation according to claim 4, it is characterized in that: the pretreatment time in the described step (2) is 10～90s.
7. a kind of preparation method who adopts the conductive fabric of dip-dye technology preparation according to claim 4, it is characterized in that: the dyeing auxiliaries in the described step (3) is aniline or pyrroles's the aqueous solution, wherein aniline or pyrroles's concentration is 1 ~ 20g/L.
8. a kind of preparation method who adopts the conductive fabric of dip-dye technology preparation according to claim 4, it is characterized in that: the infiltrating time of fabric in dyeing auxiliaries in the described step (3) is 5 ~ 30min.
9. a kind of preparation method who adopts the conductive fabric of dip-dye technology preparation according to claim 4, it is characterized in that: the concentration of conducting particles is 0.1～50g/L in the aqueous dispersions in the described step (4); The infiltrating time of fabric in the conducting particles aqueous dispersions in the described step (4) is 1 ~ 30min.
10. a kind of application of adopting the conductive fabric of dip-dye technology preparation according to claim 1 comprises: as antistatic fibre and fabric, metal and Adsorption of Organic material, gas and liquid and biological sensing material, and the energy storage electrode material.
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| CN103114434B (en) * | 2013-03-04 | 2015-04-08 | 北京师范大学 | Preparation process of nanometer Fe3O4-V2O5-Au-doped polynaphthylamine-membrane-modified active carbon fiber electrode |
| CN103151535B (en) * | 2013-03-04 | 2015-07-08 | 北京师范大学 | Preparation process of nano Fe3O4-V2O5-Au doped polythiophene membrane modified meshy glass carbon electrode |
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