CN102337679A - Novel method for preparing polyaniline composite conductive fabric - Google Patents
Novel method for preparing polyaniline composite conductive fabric Download PDFInfo
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- CN102337679A CN102337679A CN2010102383217A CN201010238321A CN102337679A CN 102337679 A CN102337679 A CN 102337679A CN 2010102383217 A CN2010102383217 A CN 2010102383217A CN 201010238321 A CN201010238321 A CN 201010238321A CN 102337679 A CN102337679 A CN 102337679A
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Abstract
The invention relates to a novel method for preparing a polyaniline composite conductive fabric. The novel method for preparing a polyaniline composite conductive fabric is characterized in that a conductive fabric with good conductive properties is prepared from a chemical fiber fabric as a matrix material and polyaniline as a conductive material through an in-situ polymerization method (also known as an in-situ adsorption polymerization method). The novel method for preparing a polyaniline composite conductive fabric adopts an ultrasonic dipping treatment process as an auxiliary process of a base fabric dipping process adopting aniline. Therefore, the novel method for preparing a polyaniline composite conductive fabric has good surface modification effects on a base fabric, is beneficial for depositing a conductive material on fiber surfaces of the base fabric in polymerization and enabling the conductive material to permeate into fibers of the base fabric, and improves conductivity and conductive stability. A conductive fabric prepared by the novel method has high conductivity and good environmental stability, is easy for synthesis, and keeps physical and mechanical properties belonging to fabrics on the basis of acquirement of conductive properties, wherein surface resistance R of the conductive fabric is reduced to a value of 1 to 5 kilo-ohm.
Description
Technical field:
The invention belongs to the field of functions of textile fabrics material, is a kind of new method of relevant preparation polyaniline composite conductive fabric.
Background technology:
In the conducting polymer composite; Polyaniline (PANI) cost now is relatively low; And have strong, the electrical conductivity advantages of higher of easy, good, the charge storage ability of preparation, in the application in fields such as electricity, magnetic, optics, opened up its wide application prospect at air and water stability.The popularity that PANI composite conductive fabric function is used from common antistatic field, has developed into special dimensions such as electromagnetic shielding (EMI), electronic intelligence, antibacterial and deodouring, electrochromism, wave-absorbing and camouflage material, and market prospects are wide.This type of conductive fabric has characteristics such as electrical conductivity is adjustable, environmental stability good, be prone to synthesize, and when obtaining electric conductivity, has kept the physical-mechanical properties of fabric itself again, thereby causes each researcher's competitively research both at home and abroad.
Polymer such as polyaniline can same PET, PVC, PS, PVA, PA and PM-MA are processed composite membrane.And adopting original position composite methods (claiming " scene " adsorpting polymerization method) can make polyaniline (PANI) under very low content, just can have higher conductance, this is a kind of very promising method of preparation conducting polymer composite material.The conductive fabric that the while situ aggregation method directly prepares; PANI is adsorbed on the fabric face; And be penetrated into fabric, do not influence the physical-mechanical properties of fabric self, but the prolongation in time of its electrical conductivity has certain decay property; And PANI is deposited on skewness on the fabric, causes that the fabric electrical conductivity is irregular.This conductive fabric is in environment for use, and the electric conductivity of PANI receives the influence of cleaning solution pH value, and its durability is also unsatisfactory.The PANI composite conductive fabric not a duck soup of preparation excellent conductive performance, its decay property and electrical stability in time, though make moderate progress through researchers' effort, this problem does not solve as yet fully.To these problems, be the good polyaniline composite conductive fabric of preparation electric conductivity, certain technical measures of improving have been taked in this research, to improve its electrical conductivity, to improve its conductive stability.
Summary of the invention:
Technical solution of the present invention is following:
(1) selected suitable matrix material, the chemical raw material of PANI chemical oxidising polymerisation reaction; Adopt situ aggregation method; Optimal design goes out technical recipe and the process route that a cover preparation is fit to suitability for industrialized production, with energy savings, reduces cost; Prepare the good PANI composite conductive fabric of electric conductivity, realize the suitability for industrialized production of conductive fabric;
(2) the good conductive fabric of research preparation more in depth; Introduce ultrasonic technology; Matrix material is carried out the method for surface modification conductive fabric is carried out Research on Surface Modification; Polyaniline is evenly distributed closely,, improves PANI composite conductive fabric decay property in time to improve its conductance and electrical stability.
Preparation method of the present invention and step:
PANI is at surperficial and inner chemical oxidising polymerisation deposition---the situ aggregation method of fabric fibre; Its basic handling method: earlier fabric is handled with aniline monomer; Place the Bronsted acid solution of oxidant to carry out in-situ oxidizing-polymerizing again; Prepare this polyaniline composite conductive fabric with conducting function, the concrete grammar of its preparation mainly may further comprise the steps:
(1) rinsing is immersed preliminary treatment in the neutral refining agent of S16, concentration 1～2gL with fabric
-1, bath raio 1: 50, bath temperature is 65 ℃, takes out fabric behind the 1h, after the washing of clear water repeatedly, put into 80 ℃ baking oven 1h after, dry for use.
(2) the absorption monomer immerses fabric in aniline (An) monomer solution, and bath raio 1: 30 is aided with ultrasonic impregnation techniques, and 30～35 ℃ of temperature are taken out behind immersion 1～2h.
(3) to place oxidant ammonium persulfate solution concentration be 0.02～0.03gmL to the polymerization deposition fabric that will adsorb monomer
-1, concentration of hydrochloric acid solution is 0.5～1.5molL
-1Mixed reaction solution in, evenly stir, reaction temperature is taken out fabric at 0～20 ℃ behind reaction 1～2h, till washing several respectively and do not have color to solution with hydrochloric acid 1mol/L, acetone, deionized water, in 80 ℃ baking oven, dries behind the 2h.
(4) the two electrical measurement four point probe testers of RTS-9 type are adopted in the test of the sign of composite conductive fabric and electric conductivity, measure the surface resistance R (K Ω) of fabric.Adopted the two electrical measurement combinations of four point probe (also claiming the dibit combination) measuring technique; The vanderburg measuring method is promoted the use of on the four probes in a line pin; Utilize the conversion of current probe, voltage probe, under computer control, carry out twice electrical measurement, can eliminate the influence of undesirable element automatically measurement result; Automatic correction result, test result is accurate.
The present invention has the following advantages:
(1), this preparation method's wide adaptability.Not only be used for knitted fabric, can also be used for woven fabric and knotwork etc.Put in order except the tricot that polyamide fibre and spandex are woven into, can also put in order other chemical & blended fabrics and BLENDED FABRIC etc.
(2), through the conductive fabric that this preparation method makes, reduced the sheet resistance of fabric, its sheet resistance can reach 1～5K Ω.
(3), be aided with aniline dipping base cloth after the ultrasonic wave impregnation process; Make aniline be impregnated into the fibrous inside of base cloth fully; And to the surface modification to some extent of its fiber, so the distribution that PANI is deposited on the fabric is evener, has improved the inhomogeneity and the conductive stability of fabric electrical conductivity.
(4), that the conductive fabric that makes through this preparation method has an excellent function water-wash resistance is good, after 50 washings, electric conductivity is still good.
(5), this type of conductive fabric has characteristics such as electrical conductivity is adjustable, environmental stability good, be prone to synthesize, and when obtaining electric conductivity, has kept the physical-mechanical properties of fabric itself again.
Description of drawings:
The structural representation of Fig. 1 conductive fabric
Fig. 2 process flow diagram of the present invention
The specific embodiment:
According to the accompanying drawing and the specific embodiment the present invention is further explained below, so that technical characterictic of the present invention and products characteristics can be described better.
The present invention adopts in-situ polymerization to prepare the polyaniline composite conductive fabric, and wherein the structural representation of conductive fabric is as shown in Figure 1.
Its procedure of processing is following:
(1), selects base cloth, for example grammes per square metre 196g/m
2The chinlon/spandex warp-knitted fabric.
(2), fabric is immersed concentration 1～2gL
-1, bath raio 1: 50, bath temperature is to take out behind the preliminary treatment 1h in the neutral refining agent of 65 ℃ S16, after repeatedly clear water washs, put into 80 ℃ baking oven 1h after, dry for use.
(3), fabric is immersed in aniline (An) monomer solution, bath raio 1: 30 is aided with ultrasonic impregnation techniques, and 30～35 ℃ of temperature are taken out after soaking 1～2h.
It is 0.02～0.03gmL that the fabric that (4), will adsorb monomer places oxidant ammonium persulfate solution concentration
-1, concentration of hydrochloric acid solution is 0.5～1.5molL
-1Mixed reaction solution in, evenly stir, reaction temperature is taken out fabric at 0～20 ℃ behind reaction 1～2h, till washing several respectively and do not have color to solution with hydrochloric acid 1mol/L, acetone, deionized water, in 80 ℃ baking oven, dries behind the 2h.
(5), the conductive fabric after will drying, in constant-temperature constant-humidity environment (temperature is 20 ℃, and humidity is 65%), adopt the two electrical measurement four point probe testers of RTS-9 type, measure the surface resistance R (K Ω) of fabric.
Claims (5)
1. new method for preparing the polyaniline composite conductive fabric, it is characterized in that: be base cloth with the chemical & blended fabric, polyaniline is a conductive material, is aided with the ultrasonic wave impregnation process, prepares the functional fabric with electric conductivity.
2. the new method of preparation polyaniline composite conductive fabric according to claim 1; It is characterized in that: used preparation method is situ aggregation method (claiming " scene " adsorpting polymerization sedimentation again); Being about to aniline dipping fabric later is immersed in the ammonium persulfate mixed solution with finite concentration hydrochloric acid; And high-speed stirred ceaselessly, in the process that the chemical oxidation reaction polymerization generates the conductive material polyaniline took place, polymer " scene " absorption deposited to the fiber surface of base cloth; And be penetrated into the inside of base cloth fiber, thereby make fabric have electric conductivity.
3. the new method of preparation polyaniline composite conductive fabric according to claim 1 is characterized in that: when the aniline monomer impregnate fabric, be aided with the ultrasonic wave impregnation process, its impregnation process time is 1～2h, and temperature is 30～40 ℃.
4. the polyaniline composite conductive fabric with conducting function according to claim 2; It is characterized in that: the concentration of reaction solution; Its ammonium persulfate (APS) solution concentration is 0.02～0.03g/ml; Aniline (An) is [APS] with the molar concentration proportioning of ammonium persulfate (APS) solution: [An] is 1: 0.8～1: 1.25, and the concentration of hydrochloric acid solution is 0.5～1.5mol/L.
5. the new method of preparation polyaniline composite conductive fabric according to claim 1 is characterized in that: when in-situ polymerization took place, its oxidation treatment time was 1～2h, and temperature is 0～20 ℃.
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| CN2010102383217A CN102337679A (en) | 2010-07-27 | 2010-07-27 | Novel method for preparing polyaniline composite conductive fabric |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779648A (en) * | 2012-07-16 | 2012-11-14 | 东华大学 | Preparation method for flexible electrode material for super capacitor |
| CN103103797A (en) * | 2013-01-15 | 2013-05-15 | 西安工程大学 | Method for preparing conductive polyester fibers by in-situ polymerization method |
| CN103258650A (en) * | 2013-05-16 | 2013-08-21 | 武汉纺织大学 | Dye-sensitized solar cell fabric counter electrode and preparation method thereof |
| CN103357387A (en) * | 2013-08-02 | 2013-10-23 | 河南省科学院化学研究所有限公司 | Novel polyaniline/modified acrylic fiber adsorbent and preparation method thereof |
| CN103647104A (en) * | 2013-12-18 | 2014-03-19 | 中国科学院上海硅酸盐研究所 | Lithium-sulfur battery |
| CN103981720A (en) * | 2014-06-03 | 2014-08-13 | 陕西科技大学 | Polyaniline (PANI)-modified aramid fiber (ARF) composite conductive fiber and preparation method thereof |
| CN104131467A (en) * | 2014-07-09 | 2014-11-05 | 常熟市翔鹰特纤有限公司 | Preparation method of acrylic fiber conductive filament |
| CN104988738A (en) * | 2015-07-28 | 2015-10-21 | 苏州科淼新材料有限公司 | Preparation method of conductive fiber material |
| CN105734979A (en) * | 2016-03-15 | 2016-07-06 | 绍兴文理学院 | Processing process and equipment of conductive PTT yarn |
| CN105755835A (en) * | 2016-03-15 | 2016-07-13 | 绍兴文理学院 | Processing process and equipment of conductive silk |
| CN106758255A (en) * | 2016-11-28 | 2017-05-31 | 天津科技大学 | Functional polymer is modified and prepares the method and the compound hair fiber and fabric using the method preparation of animal hair composite fibre |
| CN109162102A (en) * | 2018-09-06 | 2019-01-08 | 江苏阳光股份有限公司 | A kind of polyaniline method for sorting of wool conductive fabric |
| CN110093777A (en) * | 2019-05-23 | 2019-08-06 | 余晨 | A kind of industrialized process for preparing of conductive fiber |
| CN115772807A (en) * | 2022-12-19 | 2023-03-10 | 广东粤港澳大湾区黄埔材料研究院 | Preparation method and application of azure C-polyaniline composite electrode material |
-
2010
- 2010-07-27 CN CN2010102383217A patent/CN102337679A/en active Pending
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779648B (en) * | 2012-07-16 | 2015-02-25 | 东华大学 | Preparation method for flexible electrode material for super capacitor |
| CN102779648A (en) * | 2012-07-16 | 2012-11-14 | 东华大学 | Preparation method for flexible electrode material for super capacitor |
| CN103103797A (en) * | 2013-01-15 | 2013-05-15 | 西安工程大学 | Method for preparing conductive polyester fibers by in-situ polymerization method |
| CN103258650A (en) * | 2013-05-16 | 2013-08-21 | 武汉纺织大学 | Dye-sensitized solar cell fabric counter electrode and preparation method thereof |
| CN103258650B (en) * | 2013-05-16 | 2015-11-25 | 武汉纺织大学 | A kind of DSSC fabric is to electrode and preparation method thereof |
| CN103357387A (en) * | 2013-08-02 | 2013-10-23 | 河南省科学院化学研究所有限公司 | Novel polyaniline/modified acrylic fiber adsorbent and preparation method thereof |
| CN103647104A (en) * | 2013-12-18 | 2014-03-19 | 中国科学院上海硅酸盐研究所 | Lithium-sulfur battery |
| CN103981720A (en) * | 2014-06-03 | 2014-08-13 | 陕西科技大学 | Polyaniline (PANI)-modified aramid fiber (ARF) composite conductive fiber and preparation method thereof |
| CN104131467B (en) * | 2014-07-09 | 2016-03-30 | 常熟市翔鹰特纤有限公司 | A kind of preparation method of acrylic fibers electrically conductive filament |
| CN104131467A (en) * | 2014-07-09 | 2014-11-05 | 常熟市翔鹰特纤有限公司 | Preparation method of acrylic fiber conductive filament |
| CN104988738A (en) * | 2015-07-28 | 2015-10-21 | 苏州科淼新材料有限公司 | Preparation method of conductive fiber material |
| CN105734979A (en) * | 2016-03-15 | 2016-07-06 | 绍兴文理学院 | Processing process and equipment of conductive PTT yarn |
| CN105755835A (en) * | 2016-03-15 | 2016-07-13 | 绍兴文理学院 | Processing process and equipment of conductive silk |
| CN106758255A (en) * | 2016-11-28 | 2017-05-31 | 天津科技大学 | Functional polymer is modified and prepares the method and the compound hair fiber and fabric using the method preparation of animal hair composite fibre |
| CN109162102A (en) * | 2018-09-06 | 2019-01-08 | 江苏阳光股份有限公司 | A kind of polyaniline method for sorting of wool conductive fabric |
| CN110093777A (en) * | 2019-05-23 | 2019-08-06 | 余晨 | A kind of industrialized process for preparing of conductive fiber |
| CN115772807A (en) * | 2022-12-19 | 2023-03-10 | 广东粤港澳大湾区黄埔材料研究院 | Preparation method and application of azure C-polyaniline composite electrode material |
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Application publication date: 20120201 |