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Graphene blend regenerated cellulose fiber and preparation method thereof

A technology of regenerated cellulose and graphene, applied in chemical post-treatment of cellulose/protein rayon, rayon made of viscose, etc., can solve the problem of rough fiber structure, low elongation at break and poor wearability and other problems, to achieve the effect of increasing antibacterial properties, improving electrical conductivity and thermal properties, and being easy to operate.

Active Publication Date: 2013-04-17
JINAN SHENGQUAN GROUP SHARE HLDG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved in the present invention is to provide a graphene blended regenerated cellulose fiber and a preparation method thereof for the above deficiencies, which overcomes the complicated preparation process of the prior art, rough fiber structure, and low elongation at break. Due to the disadvantages of poor wearing performance and low output, after adopting the technical solution of the present invention, the obtained fiber not only reflects the excellent wearing performance of regenerated cellulose fiber, but also reflects the ultra-high strength, thermal conductivity, electrical conductivity and Antibacterial and other properties, and high yield

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1, a kind of preparation method of graphene blended regenerated cellulose fiber, comprises the following steps:

[0023] Mixing steps: First, 1.0L of graphene oxide solution with a concentration of 3g / L is dispersed by ultrasonic waves, and then added to 3Kg of regenerated cellulose solution after yellowing and dissolution for stirring and mixing. The content of methylcellulose in the regenerated cellulose solution is 9.0 %, containing 6.2% alkali, and then filtered to obtain a uniformly mixed spinning solution, stirring

[0024] During the mixing process, the graphene oxide solution was slowly and evenly added;

[0025] Solid content of spinning solution: 6.82%; alkali content: 4.65%; viscosity: 42s; maturity: 8ml (10%NH 4 Cl).

[0026] Spinning step: Spin the spinning solution prepared above through wet spinning equipment to obtain the intermediate product graphene oxide blended regenerated cellulose fiber; the wet spinning equipment is traditional viscos...

Embodiment 2

[0033] Embodiment 2, a kind of preparation method of graphene blended regenerated cellulose fiber, comprises the following steps:

[0034] Mixing steps: First, 0.8L of graphene oxide solution with a concentration of 10g / L is dispersed by ultrasonic waves, and then added to 4Kg of the yellowed and dissolved regenerated cellulose solution for stirring and mixing. The content of methylcellulose in the regenerated cellulose solution is 9.2 %, containing 6.4% alkali, and then filtered to obtain a uniformly mixed spinning solution, stirring

[0035] During the mixing process, the graphene oxide solution was slowly and evenly added;

[0036] Solid content of spinning solution: 7.83%; alkali content: 5.33%; viscosity: 45s; maturity: 15ml (10%NH 4 Cl).

[0037] Spinning step: Spin the spinning solution prepared above through wet spinning equipment to obtain the intermediate product graphene oxide blended regenerated cellulose fiber; the wet spinning equipment is traditional viscose f...

Embodiment 3

[0044] Embodiment 3, a kind of preparation method of graphene blended regenerated cellulose fiber, comprises the following steps:

[0045] Mixing steps: First, 1.2L of graphene oxide solution with a concentration of 6g / L is dispersed by ultrasonic waves, and then added to 5Kg of regenerated cellulose solution after yellowing and dissolution for stirring and mixing. The content of methylcellulose in the regenerated cellulose solution is 8.6 %, containing 6.0% alkali, and then filtered to obtain a uniformly mixed spinning solution, stirring

[0046] During the mixing process, the graphene oxide solution was slowly and evenly added;

[0047] Solid content of spinning solution: 7.05%; alkali content: 4.83%; viscosity: 36s; maturity: 10.5ml (10%NH 4 Cl).

[0048] Spinning step: Spin the spinning solution prepared above through wet spinning equipment to obtain the intermediate product graphene oxide blended regenerated cellulose fiber; the wet spinning equipment is traditional vis...

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Abstract

The invention relates to a graphene blend regenerated cellulose fiber. The graphene blend regenerated cellulose fiber is prepared by mixing an oxidized graphene solution and a regenerated cellulose solution, molding a mixture through a viscose wet spinning process and reducing the mixture; the dry breaking strength of the graphene blend regenerated cellulose fiber is not less than 1.8 cN / dtex, the wet breaking strength of the graphene blend regenerated cellulose fiber is not less than 0.9 cN / dtex, the dry breaking elongation of the graphene blend regenerated cellulose fiber is not less than 16%, the mass specific resistance of the fiber is 1-9X106 omega.g / cm2, and the thermal decomposition temperature of the fiber is not lower than 400 DEG C; and with the regenerated cellulose fiber as a matrix, the prepared graphene blend regenerated cellulose fiber has the advantages of good moisture absorption, good air permeability, soft handle and good dyeing performance and has the characteristics of ultrahigh strength, thermal conductivity, electric conductivity, antibacterial property and the like of the graphene; the conductive and thermal properties of the fiber are both improved by being compared with those of the traditional regenerated cellulose fiber; the antibacterial property of the fiber is additionally provided; and the graphene blend regenerated cellulose fiber provided by the invention has the advantages of simple production process, easiness in operation, and higher yield. People estimate that the developed graphene blend regenerated cellulose fiber can be widely applied to the field of costumes, industrial textiles and the like.

Description

technical field [0001] The invention relates to a graphene blended regenerated cellulose fiber and a preparation method thereof, belonging to the technical field of textiles. Background technique [0002] Functional fibers can effectively increase the added value of its textile products, enhance the function and grade of textile products, and meet the diversified needs of clothing. Therefore, the development and design of new functional fibers has become a research hotspot in the textile industry, including high temperature resistance Combustible, antibacterial and deodorant, heat preservation and heat storage, antistatic, anti-ultraviolet, high moisture absorption and water absorption and green environmental protection and other functional fibers. [0003] Regenerated cellulose fiber has similar wearing properties to cotton fiber, and can be grafted and functionally finished through the chemical reaction of hydroxyl groups on its macromolecules, so it is usually used as a m...

Claims

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Application Information

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IPC IPC(8): D01F2/08D01F11/02
Inventor 曲丽君王乐军郭肖青马君志田明伟李昌垒
Owner JINAN SHENGQUAN GROUP SHARE HLDG
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