CN107541937A - Multifunctional cotton fiber based on graphene/nano silver wire - Google Patents
Multifunctional cotton fiber based on graphene/nano silver wire Download PDFInfo
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Abstract
The invention discloses Multifunctional cotton fiber based on graphene/nano silver wire and preparation method thereof, the bafta that is cationized is obtained using sodium hydroxide, trimethylallylammonium chloride, PAMAM modified cotton fabrics, then cationization bafta is immersed in Hyperbranched Polymer with Terminal Hydroxyl modified nano silver wire solution and amination graphene solution successively and carries out self assembly, finally give graphene/nano silver wire function cotton fiber.Amination graphene, by electrostatic attraction LBL self-assembly strong bonded, imparts the performances such as the excellent conduction of cotton fiber, antibacterial, uvioresistant, has important application value in fields such as weaving, clothes, wearable device, compliant conductive devices with nano silver wire.
Description
Technical field
The present invention relates to a kind of Multifunctional cotton fiber based on graphene/nano silver wire and preparation method thereof, category nanometer is answered
Condensation material field.
Background technology
Cotton fiber is with the performance such as its excellent moisture absorption, ventilative, comfortable, soft, warming, renewable, degradable by vast
Consumer's likes.But compared with synthetic fibers, the feature of cotton fiber still has deficiency.Such as：（1）Cotton fiber have than
The features such as surface area is greatly and wettability power is strong, thus easily adhere to, breed and propagate microorganism during taking, so as to cause
Cotton fiber strength declines, produces stain, colour fading and smell, or even spreads disease, and influences health.（2）Excessive ultraviolet
Irradiation can cause skin injury, aging, or even cause canceration.（3）Conductive spinning product is increasingly becoming the focus of research in recent years, leads
Electric bafta has huge application value in flexible wearable equipment.Therefore in order to fully excavate the potential function of cotton fiber,
The technology content and added value of product of cotton fiber are improved, carrying out functional modification to cotton fiber turns into an important research direction
（The preparation of dissaving polymer and functional modification [D] the University Of Suzhou to cotton fiber, 2009）.
Inorganic nano material refers to that size is in 1-100nm material, relative to other nano materials, inorganic nano material
With preparing simple, the advantage such as cost is cheap, uniform particle diameter, photocatalysis, solar cell, biology, medicine, weaving, printing and dyeing,
There are extensive research and application in the fields such as wearable electronic.In the inorganic nano material of numerous types, Nano Silver accounts for
According to important position, Nano Silver is combined with cotton fiber can be effectively improved cotton fiber inherent shortcoming, expand cotton fiber and be applicable
Scope, improve cotton fiber added value.Lot of documents is reported using after nano-Ag particles modified cotton fiber, and it is excellent can to assign cotton fiber
The performances such as different antibacterial, uvioresistant, conduction, electromagnetic shielding.But above-mentioned document is modified cotton using the silver nano-grain of zero dimension more
Fabric.Such as Zhang carries out antibiotic finish to bafta using Nano Silver, bafta after arrangement to staphylococcus aureus and
The bacteriostasis rate of Escherichia coli is respectively 99.01% and 99.26%, and after 20 washings, bacteriostasis rate is still up to 98.77%（Fibers
and Polymers, 2009, 10(4): 496-501）.
The nano silver wire of one-dimentional structure has high-specific surface area, heat conduction, conduction, printing opacity, ductility, mechanical strength and flexibility
Etc. performance, there is potential application value in fields such as flexible conductive film, solar cell, touch-screen, display screen, sensors
（Chinese material is in progress, 2016 (07): 545-551）.The existing research on nano silver wire modifying textile fibres on a small quantity at present
Report（Based on the electronic textile of nano silver wire conductive network, chemical progress, 2017,29 (8): 892-901）.Iran she
Si Lan Free University Nateghi uses AgNWs modified cotton fabrics, and have studied the antibacterial, uvioresistant, conduction of modified bafta
And ultra-hydrophobicity（Carbohyd. Polym., 2015, 117:160）.Canadian University of Waterloo (CA) Waterloo, Ontario, N2L3GI Canada Atwa is by impregnating-carrying
Daraf(reciprocal of farad) coats AgNWs conductive networks on cotton thread surface, then anneals 30 minutes for 150 DEG C, so as to which conductive cotton thread be prepared（J.
Mater. Chem. C, 2015, 3(16):3908）.Polish textile science research institute Cies ' lak are whole using dipping-oven drying method
Manage bafta（Cellulose, 2017, 24(1):409）.University Of Suzhou repaiies A Nan and bafta is immersed in AgNWs solution
Carry out antibacterial, anti UV finishing（It is whole to repair the amphiphilic hyper-branched polyglycidyl ethers of A Nan, the preparation of nano silver wire and bafta
Reason pre-test [D] University Of Suzhou, 2015）.Cotton is soaked in nano silver wire/second by Chinese invention patent CN201610217104.7
In alcohol dispersion liquid, take out and be soaked in again in above-mentioned dispersion liquid after drying, the repeated multiple times adsorption that obtains has nano silver wire
Conductive cotton.Nanjing Univ. of Posts and Telecommunications Zhang Ziqiang induces the method for self assembly that AgNWs is assembled in into nylon yarn first with capillary
On, AgNWs conductive yarns are obtained, then the AgNWs conductive yarns prepared are immersed in graphene oxide solution and carry out two
Secondary assembling, finally again reduces graphene oxide, obtains having the graphene parcel of preferable mechanical performance and adhesion property
AgNWs conductive yarns（Zhang Ziqiang electrical-conductive nanometers materials are in the capillary self assembly of fiber surface and performance study [D] Nanjing postals
TV university, 2016）.But the effect in above-mentioned document between AgNWs and fiber mainly exists with Van der Waals force and hydrogen bond formation
Physical absorption based on, lack firm active force and combine, its fastness to washing is on the weak side.
The content of the invention
In view of the above problems, the present invention provides a kind of based on the Multifunctional cotton fiber of graphene/nano silver wire and its preparation
Method.
The technical scheme is that：
（1）Bafta is placed in the sodium hydroxide solution that mass fraction is 20%, bath raio 1:50,90 DEG C of reaction 120min, are used
Deionized water is washed till neutrality repeatedly, and sodium hydroxide modified cotton fabric is obtained after drying；Then by sodium hydroxide modified cotton fabric weight
Newly it is scattered in deionized water, bath raio 1:50, add trimethylallylammonium chloride, wherein trimethylallylammonium chloride and hydrogen
The mass ratio of sodium oxide molybdena modified cotton fabric is 1:5-1:10,60-80 DEG C of reaction 1-24h, are cleaned, after drying repeatedly with deionized water
Obtain trimethylallylammonium chloride modified cotton fabric；By trimethylallylammonium chloride modified cotton fabric be scattered in again from
In sub- water, bath raio 1:50, it is slowly added to the 1-100g/L polyamide-amide PAMAM aqueous solution, wherein the PAMAM aqueous solution and front three
The volume ratio of the base allyl ammonium chloride modified cotton fabric aqueous solution is 1:5-1:10,75-95 DEG C of reaction 60-120min, after taking-up
Cleaning, drying obtains the bafta that is cationized；（2）By the four of 1-10g/L nano silver wire isopropanol dispersion soln and 0.1-1g/L
Fluoboric acid nitrous ethanol solution mixes at room temperature, wherein nano silver wire isopropanol dispersion soln and tetrafluoro boric acid nitrous second
The volume ratio of alcoholic solution is 1:1-5:1, mixture is gently shaken, until nano silver wire precipitates, after centrifugation, disperseed again
In deionized water, by volume 1:1-1:10, the 0.01g/L-100g/L Hyperbranched Polymer with Terminal Hydroxyl aqueous solution is added, it is even
Speed stirring 24h, Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire is obtained, centrifuges, is repeatedly washed with deionized water and ethanol
Wash, dry；（3）Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire in step 2 is configured to the 0.1-10g/L aqueous solution,
Then the cationization bafta in step 1 is immersed in 10- in the Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire aqueous solution
60min, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then above-mentioned bafta is immersed in 1-10g/L's
10-60min in amination graphene solution, bath raio 1:50, rinsed, dried, so far by one repeatedly with deionized water after taking-up
The surface of layer graphene/nano silver wire top finish to bafta, then arranged successively in nano silver wire and amination graphene
Aforesaid operations are repeated in liquid, determine the number of plies that surface of cotton fabric graphene/nano silver wire arranges as needed.
The synthesis of amination graphene refers to document：Yan Jialin, Chen Guijiao, Cao Jun, Yang Wei, it is mutual to thank to nation, Yang Ming ripples
Ethylenediamine and hexamethylene diamine amino functional graphene oxide (English) [J] novel charcoal materials, 2012,27 (05):370-376；
Alluvial gold, Xie Linsheng, Ma Yulu, Dong Shumei, Wang Yan permit the amino modified graphene oxides of and its compound [J] with epoxy resin
Chinese Plastics, 2011,25 (08):28-33；The original position of Zhang Yafei aminations graphene oxide/polyimides composite adhesive
Preparation and performance study [D] Donghua University, 2016；The system of the beautiful amino functionals graphene oxide heavy metal absorbents of Xu Xiang
It is standby with application [D] Hunan University, 2014；Chinese invention patent CN201710286166.8；Chinese invention patent
CN201610012813.1。
Polyol process synthesis of silver nano-wire refers to document：Peng Yongyi, Xu Guojun, Dai Guozhang, Li Hong build nano silver wires
Polyol process preparation process condition research [J] material Leaders, 2015,29 (22):79-81+86；Summer Xingda, Yang Bingchu,
Auspicious, the hot method of Zhou Conghua polyalcohols prepares nano silver wire and its application [J] functional materials in transparent conductive film,
2016,47(05):5091-5095；Li Yiqun liquid phases polyol process controlledly synthesis metal silver nanowires and its in electrically conducting transparent
Application [D] Lanzhou University in film, 2015；Ma Xiao, You Fangfang, Feng Jinyang, Zhao Xiujian polyol process prepare one-dimensional Ag nanometers
Line [J] artificial lens journals, 2014,43 (03):587-591；Guo Ruiping, Zheng Min, Zhang Haixia microwave radiation technology polyol process
Quick research [J] the Institutes Of Technology Of Taiyuan journal for preparing Ag nano wires, 2013,44 (01):76-80；Chinese invention patent
CN201610804238.9；Chinese invention patent CN201710357029.9.
Compared with prior art, the advantage of the invention is that：Amination graphene passes through electrostatic attraction layer with nano silver wire
Layer self assembly strong bonded, imparts the performances such as the excellent conduction of cotton fiber, antibacterial, uvioresistant, in weaving, clothes, wearable
There is important application value in the fields such as equipment, compliant conductive device.
Embodiment
The invention will be further elucidated with reference to specific embodiments.
Embodiment 1：
（1）Bafta is placed in the sodium hydroxide solution that mass fraction is 20%, bath raio 1:50,90 DEG C of reaction 120min, are used
Deionized water is washed till neutrality repeatedly, and sodium hydroxide modified cotton fabric is obtained after drying；Then by sodium hydroxide modified cotton fabric weight
Newly it is scattered in deionized water, bath raio 1:50, add trimethylallylammonium chloride, wherein trimethylallylammonium chloride and hydrogen
The mass ratio of sodium oxide molybdena modified cotton fabric is 1:5,60 DEG C of reaction 1h, are cleaned, trimethyl are obtained after drying repeatedly with deionized water
Allyl ammonium chloride modified cotton fabric；Trimethylallylammonium chloride modified cotton fabric is scattered in deionized water again, bathed
Than 1:50, it is slowly added to the 10g/L polyamide-amide PAMAM aqueous solution, wherein the PAMAM aqueous solution and trimethyl allyl chlorination
The volume ratio of the ammonium modified cotton fabric aqueous solution is 1:5,75 DEG C reaction 60min, after taking-up cleaning, drying obtain be cationized cotton knit
Thing；（2）By 1g/L nano silver wire isopropanol dispersion soln and 0.1g/L tetrafluoro boric acid nitrous ethanol solution at room temperature
The volume ratio of mixing, wherein nano silver wire isopropanol dispersion soln and tetrafluoro boric acid nitrous ethanol solution is 1:1, by mixture
Gently shake, until nano silver wire precipitates, after centrifugation, be scattered in again in deionized water, by volume 1:1, add
The 10g/L Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, at the uniform velocity stirs 24h, obtains Hyperbranched Polymer with Terminal Hydroxyl modification silver nanoparticle
Line, centrifuge, repeatedly washed with deionized water and ethanol, dry；（3）Hyperbranched Polymer with Terminal Hydroxyl in step 2 is repaiied
Decorations nano silver wire is configured to the 1g/L aqueous solution, and the cationization bafta in step 1 then is immersed in into superbrnaching end-hydroxy
10min in the polymer-modified nano silver wire aqueous solution, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then will
Above-mentioned bafta is immersed in 10min in 1g/L amination graphene solution, bath raio 1:50, rushed repeatedly with deionized water after taking-up
Wash, dry, obtain graphene/nano silver wire Multifunctional cotton fiber.
Embodiment 2：
（1）Bafta is placed in the sodium hydroxide solution that mass fraction is 20%, bath raio 1:50,90 DEG C of reaction 120min, are used
Deionized water is washed till neutrality repeatedly, and sodium hydroxide modified cotton fabric is obtained after drying；Then by sodium hydroxide modified cotton fabric weight
Newly it is scattered in deionized water, bath raio 1:50, add trimethylallylammonium chloride, wherein trimethylallylammonium chloride and hydrogen
The mass ratio of sodium oxide molybdena modified cotton fabric is 1:7,70 DEG C of reaction 6h, are cleaned, trimethyl are obtained after drying repeatedly with deionized water
Allyl ammonium chloride modified cotton fabric；Trimethylallylammonium chloride modified cotton fabric is scattered in deionized water again, bathed
Than 1:50, it is slowly added to the 50g/L polyamide-amide PAMAM aqueous solution, wherein the PAMAM aqueous solution and trimethyl allyl chlorination
The volume ratio of the ammonium modified cotton fabric aqueous solution is 1:8,80 DEG C reaction 90min, after taking-up cleaning, drying obtain be cationized cotton knit
Thing；（2）By 5g/L nano silver wire isopropanol dispersion soln and 0.5g/L tetrafluoro boric acid nitrous ethanol solution at room temperature
The volume ratio of mixing, wherein nano silver wire isopropanol dispersion soln and tetrafluoro boric acid nitrous ethanol solution is 2:1, by mixture
Gently shake, until nano silver wire precipitates, after centrifugation, be scattered in again in deionized water, by volume 1:5, add
The 50g/L Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, at the uniform velocity stirs 24h, obtains Hyperbranched Polymer with Terminal Hydroxyl modification silver nanoparticle
Line, centrifuge, repeatedly washed with deionized water and ethanol, dry；（3）Hyperbranched Polymer with Terminal Hydroxyl in step 2 is repaiied
Decorations nano silver wire is configured to the 5g/L aqueous solution, and the cationization bafta in step 1 then is immersed in into superbrnaching end-hydroxy
30min in the polymer-modified nano silver wire aqueous solution, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then will
Above-mentioned bafta is immersed in 30min in 5g/L amination graphene solution, bath raio 1:50, rushed repeatedly with deionized water after taking-up
Wash, dry, so far by the surface of one layer graphene/nano silver wire top finish to bafta, then successively in nano silver wire
With aforesaid operations in triplicate in graphene dressing liquid, graphene/nano silver wire Multifunctional cotton fiber is finally given.
Embodiment 3：
（1）Bafta is placed in the sodium hydroxide solution that mass fraction is 20%, bath raio 1:50,90 DEG C of reaction 120min, are used
Deionized water is washed till neutrality repeatedly, and sodium hydroxide modified cotton fabric is obtained after drying；Then by sodium hydroxide modified cotton fabric weight
Newly it is scattered in deionized water, bath raio 1:50, add trimethylallylammonium chloride, wherein trimethylallylammonium chloride and hydrogen
The mass ratio of sodium oxide molybdena modified cotton fabric is 1:10,80 DEG C of reaction 24h, are cleaned, front three are obtained after drying repeatedly with deionized water
Base allyl ammonium chloride modified cotton fabric；Trimethylallylammonium chloride modified cotton fabric is scattered in deionized water again,
Bath raio 1:50, it is slowly added to the 100g/L polyamide-amide PAMAM aqueous solution, wherein the PAMAM aqueous solution and trimethyl allyl chlorine
The volume ratio for changing the ammonium modified cotton fabric aqueous solution is 1:10,90 DEG C of reaction 120min, cleaning, drying is cationized after taking-up
Bafta；（2）By 10g/L nano silver wire isopropanol dispersion soln and 1-1g/L tetrafluoro boric acid nitrous ethanol solution in room
Temperature is lower to be mixed, and the volume ratio of wherein nano silver wire isopropanol dispersion soln and tetrafluoro boric acid nitrous ethanol solution is 5:1, will be mixed
Compound gently shakes, until nano silver wire precipitates, after centrifugation, is scattered in again in deionized water, by volume 1:10, add
Enter the 100g/L Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, at the uniform velocity stir 24h, obtain Hyperbranched Polymer with Terminal Hydroxyl modification silver and receive
Rice noodles, centrifuge, repeatedly washed with deionized water and ethanol, dry；（3）By the Hyperbranched Polymer with Terminal Hydroxyl in step 2
Modification nano silver wire is configured to the 10g/L aqueous solution, and the cationization bafta in step 1 then is immersed in into terminal hydroxy group and surpassed
60min in the branched polymer modification nano silver wire aqueous solution, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；So
Above-mentioned bafta is immersed in 60min in 10g/L amination graphene solution, bath raio 1 afterwards:50, use deionized water after taking-up
Rinse, dry repeatedly, so far by the surface of one layer graphene/nano silver wire top finish to bafta, then successively in silver
Six aforesaid operations are repeated in nano wire and graphene dressing liquid, finally give graphene/nano silver wire Multifunctional cotton fiber.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.Here all embodiments can not be exhaustive.It is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is amplified out still in protection scope of the present invention.
Claims (4)
1. the preparation method of the Multifunctional cotton fiber based on graphene/nano silver wire, it is characterised in that：
Step 1：Bafta is placed in the sodium hydroxide solution that mass fraction is 20%, bath raio 1:50,90 DEG C of reactions
120min, neutrality is washed till repeatedly with deionized water, sodium hydroxide modified cotton fabric is obtained after drying；Then sodium hydroxide is modified
Bafta is scattered in deionized water again, bath raio 1:50, add trimethylallylammonium chloride, wherein trimethyl allyl chlorine
The mass ratio for changing ammonium and sodium hydroxide modified cotton fabric is 1:5-1:10,60-80 DEG C are reacted 1-24h, repeatedly clear with deionized water
Wash, trimethylallylammonium chloride modified cotton fabric is obtained after drying；By trimethylallylammonium chloride modified cotton fabric again
It is scattered in deionized water, bath raio 1:50, it is slowly added to the 1-100g/L polyamide-amide PAMAM aqueous solution, the PAMAM aqueous solution
Volume ratio with the trimethylallylammonium chloride modified cotton fabric aqueous solution is 1:5-1:10,75-95 DEG C of reaction 60-120min,
Cleaning, drying obtains the bafta that is cationized after taking-up；
Step 2：1-10g/L nano silver wire isopropanol dispersion soln and 0.1-1g/L tetrafluoro boric acid nitrous ethanol is molten
Liquid mixes at room temperature, and the volume ratio of nano silver wire isopropanol dispersion soln and tetrafluoro boric acid nitrous ethanol solution is 1:1-5:
1, mixture is gently shaken, until nano silver wire precipitates, after centrifugation, is scattered in again in deionized water, by volume
1:1-1:10, the 0.01g/L-100g/L Hyperbranched Polymer with Terminal Hydroxyl aqueous solution is added, 24h is at the uniform velocity stirred, obtains terminal hydroxy group
Dissaving polymer modifies nano silver wire, centrifuges, is repeatedly washed with deionized water and ethanol, dries；
Step 3：Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire in step 2 is configured to the 0.1-10g/L aqueous solution,
Then the cationization bafta in step 1 is immersed in 10- in the Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire aqueous solution
60min, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then above-mentioned bafta is immersed in 1-10g/L's
10-60min in graphene solution, bath raio 1:50, rinsed, dried, so far by one layer of graphite repeatedly with deionized water after taking-up
The surface of alkene/nano silver wire top finish to bafta, it is then repeatedly above-mentioned in nano silver wire and graphene dressing liquid successively
Operation, the number of plies that surface of cotton fabric graphene/nano silver wire arranges is determined as needed.
2. the preparation method of the Multifunctional cotton fiber according to claim 1 based on graphene/nano silver wire, its feature exist
In the nano silver wire is synthesized using polyol process.
3. the preparation method of the Multifunctional cotton fiber according to claim 1 based on graphene/nano silver wire, its feature exist
In the graphene is amination graphene, and nitrogen element content is more than or equal to 5wt%.
4. the Multifunctional cotton fiber based on graphene/nano silver wire obtained by claim 1 preparation method.
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| CN110938931A (en) * | 2019-12-27 | 2020-03-31 | 苏州市星京泽纤维科技有限公司 | Intelligent wearable vortex spun conductive yarn |
| CN113279258A (en) * | 2021-05-19 | 2021-08-20 | 北京石墨烯研究院 | Conductive yarn and manufacturing method thereof, myoelectricity acquisition oversleeve and artificial limb interaction system |
| CN114551118A (en) * | 2021-12-31 | 2022-05-27 | 重庆文理学院 | Cobalt-nickel-manganese sulfide-silver nanowire-graphene composite electrode material and preparation method thereof |
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Application publication date: 20180105 |