Method for improving surface load of graphene on surface of polyester fabric

A polyester fabric, surface loading technology, applied in textiles and papermaking, fiber treatment, fiber type, etc., can solve the problems of chemical environmental pollution, difficult finishing, low hygroscopicity, etc., achieve low cost, simple loading process, and easy operation Effect

Inactive Publication Date: 2019-01-11
TIANJIN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The basic component of polyester fiber is polyethylene terephthalate, which has a high degree of crystallinity and orientation, which makes it exhibit obvious hydrophobicity, low hygroscopicity, little swelling in water, and vitrification. There is little dyeing below the temperature, and it is difficult to arrange graphene on the surface of polyester fabrics by using the post-finishing process
Therefore using adhesives [Molina J, Fernández J, Fernandes M, et al. Plasma treatment of polyester fabrics to increase theadhesion of reduced graphene oxide [J]. Synthetic Metals, 2015, 202(9): 110 to 122.] or poly Pyrrole [Berendjchi A, Khajavi R, Yousefi A A, et al. Improved continuity of reduced graphene oxide on polyester fabric by use of polypyrrole to achieve a highly electro conductive and flexible substrate [J]. Applied Surface Science, 2016, 363: 264 to 272 .] and so on bond graphene powder on the surface of polyester fabrics. These technical methods are costly and complicated, and the chemicals used will pollute the environment, which is contrary to the concept of green development in my country.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Method for improving surface load of graphene on surface of polyester fabric
  • Method for improving surface load of graphene on surface of polyester fabric
  • Method for improving surface load of graphene on surface of polyester fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. Alkali weight reduction treatment of polyester fabric

[0026] First prepare the ethanol aqueous solution of sodium hydroxide, wherein the concentration of sodium hydroxide is 100 g / liter, and the mass fraction of ethanol aqueous solution is 20%. Then place the solution in a constant temperature water bath and heat it up to 85°C, add the polyester fabric at a bath ratio of 1:50, and then mechanically stir it. After reacting for 20 minutes, take out the fabric, and finally wash it with distilled water three times after fully washing it with water. Dry at 45°C, place the obtained alkali-treated polyester fabric in a dryer for 6 to 12 hours, and use the weight loss method to calculate its weight reduction rate;

[0027] 2. Preparation of graphene oxide aqueous dispersion

[0028] Put 0.50 grams of graphene oxide powder and 199.5 grams of distilled water in a beaker, stir with a magnetic stirrer for 5 minutes at room temperature, and then use an ultrasonic cell crusher ...

Embodiment 2

[0034] 1. the reaction time of described dacron fabric in sodium hydroxide solution is 15 minutes, and all the other are identical with the 1st step process among the embodiment 1;

[0035] 2. Same as step 2 of embodiment 1;

[0036] 3. Same as step 3 of embodiment 1;

[0037] 4. Same as step 4 of embodiment 1;

Embodiment 3

[0039] 1. the reaction time of described dacron fabric in sodium hydroxide solution is 10 minutes, and all the other are identical with the 1st step process among the embodiment 1;

[0040] 2. Same as step 2 of embodiment 1;

[0041] 3. Same as step 3 of embodiment 1;

[0042] 4. Same as step 4 of embodiment 1;

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to a method for improving a surface load of graphene on the surface of a polyester fabric. According to the method, a certain concentration of a sodium hydroxide solution carriesout alkali reduction treatment on the surface of a polyester fabric so that ester groups on the surface of the polyester macromolecule are broken under the action of a strong alkali and the surface roughness and hydrophilicity of the polyester fiber are increased, through conventional finishing processes, graphene oxide is finished on the surface of the polyester fabric, and through a specific reduction reaction, graphene is firmly loaded to the surface of the polyester fabric. The surface of the graphene-loaded polyester fabric is light black to dark black. The color hue and depth can be effectively controlled by change of the reduction rate of the polyester fabric. The method realizes good load fastness. The loading process is simple, operation is easy, a cost is low, the effects are remarkable and the application field and development value of traditional textiles are greatly improved.

Description

technical field [0001] The invention relates to the preparation technology of fiber composite materials, in particular to a method for increasing the load capacity of graphene on the surface of polyester fabrics. Background technique [0002] Graphene is a new type of two-dimensional carbon nanomaterial that has emerged in recent years. It has carbon atoms with sp 2 The hexagonal honeycomb lattice structure composed of hybrid orbitals and the unique physical structure endow graphene with many excellent chemical properties and special functions, making it one of the most disruptive high-tech new nanomaterials today. In addition to its wide application in the fields of electronics, chemical industry, medicine, construction and composite materials, graphene has also developed rapidly in the field of textile processing in recent years. Current research shows that graphene-loaded textiles mostly use cotton and polyester fabrics as the main carriers, and the fabrics are mostly fi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/74D06M11/38D06M101/32
CPCD06M11/38D06M11/74D06M2101/32
Inventor 董永春孙璇刘春燕
Owner TIANJIN POLYTECHNIC UNIV
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