Method of compositing nanocellulose with nano silver wires to prepare transparent conductive fiber

A technology of nano-cellulose and nano-silver wire, applied in the field of nano-materials, can solve the problems of low mechanical properties and poor thermal stability, and achieve the effects of good bending resistance, low impedance and good transparency

Active Publication Date: 2016-12-14
SHANDONG LVSEN WOOD PLASTIC COMPOSITE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The characteristics of acrylic resin are: high transparency, low haze, high surface finish, good water vapor barrier, bendability, good weather resistance, etc., but its mechanical properties are very low and thermal stability is poor; nanocellulose is interwoven by nanoscale fibers Form a network structure, adding nanocellulose to the acrylic resin material, as a reinforcement to increase strength, toughness, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Nanocellulose: carboxylated carbon nanotubes = 1:1; the coagulation bath is ethanol plus calcium chloride with a concentration of 5%; after the sample is uniformly stirred for 4 hours, draw it with a 2ml blue needle syringe and pour it in advance to solidify Composite into fibers in the bath, after standing for half an hour, blot the coagulation bath dry.

Embodiment 2

[0055] Nanocellulose: carbon nanotubes (without water) = 1:1; the coagulation bath is ethanol plus calcium chloride with a concentration of 5%; after the sample is uniformly stirred for 4 hours, draw it with a 2ml blue needle syringe and pour it in advance In the coagulation bath, it is composited into a fiber shape, and after standing for half an hour, the coagulation bath is blotted dry.

Embodiment 3

[0057] Nanocellulose: carbon nanotubes (without water) = 1:1; the coagulation bath is 1 part of ethanol: 3 parts of water, plus 5% calcium chloride; after the sample is uniformly stirred for 4 hours, use a 2ml blue needle The syringe is sucked and compounded into fibers in the pre-poured coagulation bath, and the coagulation bath is blotted dry after standing for half an hour.

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Abstract

The invention discloses a method of compositing nanocellulose with nano silver wires to prepare transparent conductive fiber. The method includes: a), extracting nanocellulose from wood powder; b), preparing a nanocellulose / nano silver wire compound c), performing miscible compositing on the nanocellulose / nano silver wire compound and acrylic resin; d), adopting a wet mixing extrusion method to prepare the transparent conductive composite fiber. The method has the advantages that the nanocellulose is low in coefficient of thermal expansion, high in strength and Young modulus and excellent in thermochemical stability; a transparent conductive material made from the nano silver wires is high in transparency, low in haze, high in bending resistance and low in impedance, and a simplified preparation process is adopted; nanocellulose / nano silver wire composite conductive wires are high in light transmittance and low in haze value.

Description

technical field [0001] The invention relates to a method for preparing transparent conductive fibers by composite nano-silver wires with nano-cellulose, belonging to the field of nano-materials. Background technique [0002] With the rise of portable and wearable electronic devices, flexible transparent conductive fibers have attracted increasing attention. In the field of touch display, the traditional ITO transparent conductive film cannot meet the application requirements of some flexible devices due to its high price, inflexibility and fragility. For this reason, scientific research institutions have begun to study alternative materials for ITO, including conductive polymers, carbon nanotubes, graphene, metal grids, and randomly arranged metal nanowires. Among these conductive materials, silver nanowires not only have excellent electrical conductivity, but also have excellent light transmission and bending resistance due to their nanoscale size effect, and do not requir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F2/00D01F1/09D01F11/02D21C3/20
CPCD01F1/09D01F2/00D01F11/02D21C3/20
Inventor 李大纲莫梦敏张中李玲张春霞孙誉飞温作浩
Owner SHANDONG LVSEN WOOD PLASTIC COMPOSITE
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