CN107558188A

CN107558188A - A kind of LBL self-assembly nano silver wire conductive fiber available for wearable device

Info

Publication number: CN107558188A
Application number: CN201710836722.4A
Authority: CN
Inventors: 赵兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-17
Filing date: 2017-09-17
Publication date: 2018-01-09

Abstract

The invention discloses a kind of LBL self-assembly nano silver wire conductive fiber, LBL self-assembly is utilized（LBL）Nano silver wire（AgNWs）Textile fabric is modified, so as to assign the excellent electric conductivity of textile fabric and fastness to washing.Nano silver wire conductive fiber prepared by the present invention has preparation process simple, it is easily integrated, have substantially no effect on the snugness of fit of fabric, durability is good, cost is low, many advantages, such as obtaining antibacterial, UV resistance function, has important application value in fields such as wearable device, grade textiles, Thermal textile product, electric heating textile, flexible electronic sensor, super-elasticity electrically conductive composite fibre, self energizing textiles.

Description

A kind of LBL self-assembly nano silver wire conductive fiber available for wearable device

Technical field

The present invention relates to a kind of LBL self-assembly nano silver wire conductive fiber available for wearable device, function of dominant nanometer Material Field.

Background technology

As modern electronic product is gradually miniaturized, integrated and flexibility and people carry to wearable textile demand Height, textile develop progressively towards the direction of functionalization, intellectuality and electronization, thus by electronic component and traditional textile The flexible wearable textile of new generation being combined is study hotspot, is led in biology, medical science, physical culture, military affairs, amusement, space flight etc. Domain has huge application value.

Flexible wearable textile includes the parts, wherein conduction material such as textile, electronic component, conductive material and power supply Material has extremely important effect in flexible wearable textile, is mainly used in transmitting electric energy and signal.Under normal circumstances, make Use polyaniline（PANI）, it is poly-（3,4- ethylenedioxythiophenes）:Polystyrolsulfon acid（PEDOT:PSS）, polypyrrole, 3- hexyls take For polythiophene（P3HT）It is etc. conductive polymer coated textile or stainless steel fibre, silver wire and textile fabric shuffling etc. is square Method, textile can be made to obtain electric conductivity.But resistance is bigger than normal in actual applications for conducting polymer, and textile can be influenceed Snugness of fit, feel and breathable moisture permeability.Stainless steel fibre and silver wire lack flexibility, can not meet flexible wearable Demand.Appearance the entering for flexible wearable textile of the electrical-conductive nanometer materials such as graphene, CNT, one-dimensional metal nano wire The development of one step provides good opportunity.

Nano silver wire（AgNWs）With high-specific surface area, heat conduction, conduction, printing opacity, ductility, mechanical strength and flexibility etc. Performance, it is widely used in fields such as flexible conductive film, solar cell, touch-screen, display screen, sensors（Chinese material enters Exhibition, 2016 (07): 545-551）.With deepening continuously for research, it has been found that AgNWs is combined with many with textile Advantage, it is to prepare one of Perfected process of conductive spinning product.The preparation method of AgNWs conductive spinning products mainly assembles later at present Based on method, the fiber type reported includes：Cotton, terylene（Polyethylene terephtalate）, viscose glue, nylon（Polyamide PA）, polyurethane（PU）, cotton/spandex core-spun yarn etc..Effect between AgNWs and fiber is mainly with Van der Waals force and hydrogen bond formation Based on existing physical absorption, its binding strength is on the weak side（Chemical progress, 2017,29 (8): 892-901）.

The content of the invention

In view of the above problems, the present invention provides a kind of LBL self-assembly nano silver wire available for wearable device is conductive fine Dimension.

The technical scheme is that：

（1）Nano silver wire is configured to the 1-10g/L aqueous solution, then add 1-10g/L Hyperbranched Polymer with Terminal Amido or The Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, the Hyperbranched Polymer with Terminal Amido or the Hyperbranched Polymer with Terminal Hydroxyl aqueous solution Volume ratio with the nano silver wire aqueous solution is 1:1-1:10.It is anti-with deionized water and ethanol under normal temperature after at the uniform velocity stirring reaction 24h After backwashing washs, Hyperbranched Polymer with Terminal Amido modification nano silver wire or Hyperbranched Polymer with Terminal Hydroxyl modification silver nanoparticle is obtained after drying Line.（2）Hyperbranched Polymer with Terminal Amido is modified into nano silver wire and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire is matched somebody with somebody respectively The 0.1-10g/L aqueous solution is made, textile is then immersed in 80 DEG C of Hyperbranched Polymer with Terminal Amido and modifies nano silver wire 10-60min in the aqueous solution, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then above-mentioned textile is impregnated The 10-60min in 80 DEG C of the Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire aqueous solution, bath raio 1:50, spent after taking-up from Sub- water rinses repeatedly, drying, one layer of nano silver wire is so far assembled into the surface of textile, then successively amine-terminated hyperbranced Fluidized polymer is modified in nano silver wire and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire dressing liquid and repeats aforesaid operations, according to Need to determine the number of plies that textile surface nano silver wire assembles.

Nano silver wire is synthesized using polyol process, and specific steps refer to document：Peng Yongyi, Xu Guojun, Dai Guozhang, Li Hong Build polyol process preparation process condition research [J] material Leaders of nano silver wires, 2015,29 (22):79-81+86；Xia Xing Reach, Yang Bingchu, Zhang Xiang, the hot method of Zhou Conghua polyalcohols prepares nano silver wire and its application [J] in transparent conductive film Functional material, 2016,47 (05):5091-5095；Li Yiqun liquid phases polyol process controlledly synthesis metal silver nanowires and its Application [D] Lanzhou University in nesa coating, 2015；Ma Xiao, You Fangfang, Feng Jinyang, Zhao Xiujian polyol process prepare one Tie up Ag nano wires [J] artificial lens journals, 2014,43 (03):587-591；Guo Ruiping, Zheng Min, Zhang Haixia microwave radiation technologies Polyol process quickly prepares research [J] the Institutes Of Technology Of Taiyuan journal of Ag nano wires, 2013,44 (01):76-80；Middle promulgated by the State Council Bright patent CN201610804238.9；Chinese invention patent CN201710357029.9.

Compared with prior art, the advantage of the invention is that：Silver is modified using electronegative Hyperbranched Polymer with Terminal Hydroxyl Electrostatic interaction between the Hyperbranched Polymer with Terminal Amido of nano wire and positively charged modification nano silver wire is right as film forming motive force Textile is modified, so as to assign textile electric conductivity.Nano silver wire is attached to by the combination of negative ions key Textile surface, avoid using harmful chemical cross-linking agent, reduce the influence to textile strength.Modified textile With excellent electric conductivity and good washable, wearability.

Embodiment

The invention will be further elucidated with reference to specific embodiments.

Embodiment 1

（1）Nano silver wire is configured to the 1g/L aqueous solution, then adds 1g/L Hyperbranched Polymer with Terminal Amido or terminal hydroxy group The dissaving polymer aqueous solution, the Hyperbranched Polymer with Terminal Amido or the Hyperbranched Polymer with Terminal Hydroxyl aqueous solution and Yin Na The volume ratio of the rice noodles aqueous solution is 1:1, under normal temperature after at the uniform velocity stirring reaction 24h, washed, dried repeatedly with deionized water and ethanol After obtain Hyperbranched Polymer with Terminal Amido modification nano silver wire or Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire；（2）By end Amino dissaving polymer modifies nano silver wire and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire is configured to 1g/L's respectively The aqueous solution, cotton is then immersed in 10min in 80 DEG C of the Hyperbranched Polymer with Terminal Amido modification nano silver wire aqueous solution, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then above-mentioned cotton is immersed in 80 DEG C of superbrnaching end-hydroxy polymerize 10min in the thing modification nano silver wire aqueous solution, bath raio 1:50, rinsed repeatedly with deionized water after taking-up, drying obtains silver nanoparticle Line conduction cotton.

Embodiment 2

（1）Nano silver wire is configured to the 5g/L aqueous solution, then adds 5g/L Hyperbranched Polymer with Terminal Amido or terminal hydroxy group The dissaving polymer aqueous solution, the Hyperbranched Polymer with Terminal Amido or the Hyperbranched Polymer with Terminal Hydroxyl aqueous solution and Yin Na The volume ratio of the rice noodles aqueous solution is 1:5, under normal temperature after at the uniform velocity stirring reaction 24h, washed, dried repeatedly with deionized water and ethanol After obtain Hyperbranched Polymer with Terminal Amido modification nano silver wire or Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire；（2）By end Amino dissaving polymer modifies nano silver wire and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire is configured to 5g/L's respectively The aqueous solution, silk fabric is then immersed in 30min in 80 DEG C of the Hyperbranched Polymer with Terminal Amido modification nano silver wire aqueous solution, Bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then above-mentioned silk fabric is immersed in 80 DEG C of terminal hydroxy group surpass 30min in the branched polymer modification nano silver wire aqueous solution, bath raio 1:50, rinsed, dried, extremely repeatedly with deionized water after taking-up One layer of nano silver wire has been assembled into the surface of silk fabric by this, then modifies silver nanoparticle in Hyperbranched Polymer with Terminal Amido successively Operation is repeated 2 times in line and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire dressing liquid, finally gives nano silver wire conduction silkworm Silk.

Embodiment 3

（1）Nano silver wire is configured to the 10g/L aqueous solution, then adds 10g/L Hyperbranched Polymer with Terminal Amido or end hydroxyl The base dissaving polymer aqueous solution, the Hyperbranched Polymer with Terminal Amido or the Hyperbranched Polymer with Terminal Hydroxyl aqueous solution and silver The volume ratio of the nano wire aqueous solution is 1:8.Under normal temperature after at the uniform velocity stirring reaction 24h, washed, done repeatedly with deionized water and ethanol Hyperbranched Polymer with Terminal Amido modification nano silver wire or Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire are obtained after dry.（2）Will Hyperbranched Polymer with Terminal Amido modifies nano silver wire and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire is configured to 10g/L respectively The aqueous solution, then by nylon fabric be immersed in 80 DEG C Hyperbranched Polymer with Terminal Amido modification the nano silver wire aqueous solution in 60min, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then above-mentioned nylon fabric is immersed in 80 DEG C of end 60min in the hydroxyl dissaving polymer modification nano silver wire aqueous solution, bath raio 1:50, rinsed repeatedly with deionized water after taking-up, One layer of nano silver wire, is so far assembled into the surface of nylon fabric, is then repaiied successively in Hyperbranched Polymer with Terminal Amido by drying Adorn in nano silver wire and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire dressing liquid and repeat six aforesaid operations, finally give silver Nano wire conduction nylon fabric.

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

A kind of 1. preparation method of LBL self-assembly nano silver wire conductive fiber available for wearable device, it is characterised in that：

Step 1：Nano silver wire is configured to the 1-10g/L aqueous solution, then adds 1-10g/L amine-terminated hyperbrancedization polymerization Thing or the Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, under normal temperature after at the uniform velocity stirring reaction 24h, washed repeatedly with deionized water and ethanol Wash, Hyperbranched Polymer with Terminal Amido modification nano silver wire or Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire are obtained after drying；

Step 2：Hyperbranched Polymer with Terminal Amido is modified into nano silver wire and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire point The 0.1-10g/L aqueous solution is not configured to, and textile is then immersed in 80 DEG C of Hyperbranched Polymer with Terminal Amido modification silver and received 10-60min in the rice noodles aqueous solution, bath raio 1:50, rinsed, dried repeatedly with deionized water after taking-up；Then by above-mentioned textile It is immersed in 10-60min in 80 DEG C of the Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire aqueous solution, bath raio 1:50, used after taking-up Deionized water is rinsed repeatedly, drying, one layer of nano silver wire is so far assembled into the surface of textile, then successively in Amino End Group Dissaving polymer is modified in nano silver wire and Hyperbranched Polymer with Terminal Hydroxyl modification nano silver wire dressing liquid and repeats aforesaid operations, The number of plies of textile surface nano silver wire assembling is determined as needed.
A kind of 2. system of LBL self-assembly nano silver wire conductive fiber available for wearable device according to claim 1 Preparation Method, it is characterised in that the nano silver wire is synthesized using polyol process.
A kind of 3. system of LBL self-assembly nano silver wire conductive fiber available for wearable device according to claim 1 Preparation Method, it is characterised in that the Hyperbranched Polymer with Terminal Amido or the Hyperbranched Polymer with Terminal Hydroxyl aqueous solution and Yin Na The volume ratio of the rice noodles aqueous solution is 1:1-1:10.
A kind of 4. system of LBL self-assembly nano silver wire conductive fiber available for wearable device according to claim 1 Preparation Method, it is characterised in that the textile includes the one or more in natural fiber, chemical fibre.
5. a kind of LBL self-assembly nano silver wire available for wearable device obtained by claim 1 preparation method is conductive fine Dimension.