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Preparation method of glass fiber with functionalizing treatment of polyaniline

A technology of glass fiber and functionalization, which is applied in the field of glass fiber preparation and functional treatment. It can solve the problems of rough surface shape, reduce the strength of fiber itself, and acid-base etching is not a surface treatment method, so as to improve the roughness and save energy. The effect of increasing energy and specific surface area

Inactive Publication Date: 2017-06-20
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Acid and alkali can form some depressions or micropores on the surface of the fiber, and then make the surface morphology rough, but they will reduce the strength of the fiber itself to varying degrees
In other words, acid-base etching is not an effective surface treatment method from the perspective of mechanical properties

Method used

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  • Preparation method of glass fiber with functionalizing treatment of polyaniline
  • Preparation method of glass fiber with functionalizing treatment of polyaniline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation method of glass fiber treated with polyaniline functionalization

[0025] (1) Take 0.2 mL of aniline solution and 0.2 g of citric acid and ultrasonically disperse them in 200 mL of secondary aqueous solution;

[0026] (2) Weigh 5 g of long-cut glass fiber and add it to the above solution, and disperse it evenly at the bottom of the container by shaking;

[0027] (3) Weigh 0.3 g of β-cyclodextrin and ultrasonically disperse it in 10 mL of secondary water;

[0028] (4) Add the β-cyclodextrin obtained in step (3) to the solution obtained in step (2), and use a water bath constant temperature oscillator for treatment, so that the glass fiber at the bottom of the solution rotates with the solution in the container;

[0029] (5) Weigh 0.5 g of ammonium persulfate into 10 mL of secondary water, and sonicate to completely dissolve it;

[0030] (6) Add the ammonium persulfate solution obtained in step (5) dropwise to the solution obtained in step (4) unde...

Embodiment 2

[0032] Example 2 The preparation steps are the same as in Example 1, except that in step (2), 10 g of chopped glass fibers are weighed and added to the above solution, and dispersed evenly at the bottom of the container by shaking.

Embodiment 3

[0033] Example 3 The preparation steps are the same as those in Example 1, except that: in step (3), 0.5 g of β-cyclodextrin is ultrasonically dispersed in 10 mL of secondary water.

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Abstract

The invention discloses a preparation method of glass fiber with functionalizing treatment of polyaniline, and belongs to the field of preparation and functionalizing treatment of glass fiber. The preparation method is characterized in that aniline is oxidized and polymerized on the surface of the glass fiber in an in-situ way; the glass fiber is dispersed by a vibrator in the polymerizing reaction process, so as to avoid the damage to the strength of the glass fiber per se in the ultrasonic treatment or magnetic stirring process. The preparation method has the advantages that the preparation method is performed at room temperature, so that an energy source is saved, and the damage to the property of the glass fiber per se by the high-temperature environment is also avoided; the surface roughness of the obtained glass fiber subjected to functionalizing treatment is improved, and the specific surface area is also increased; the glass fiber subjected to functionalizing treatment of the polyaniline is changed from insulation to electric conduction, so that the practical value is realized in the field of building materials, and the certain application prospect is realized in the field of electromagnetic shielding.

Description

technical field [0001] The invention relates to the field of glass fiber preparation and functional treatment, in particular to a method for functional treatment of glass fibers by in-situ polymerization of aniline monomers. Background technique [0002] As an engineering fiber material, glass fiber is prepared by drawing glass raw materials in a high-temperature molten state. It has a series of excellent properties such as high temperature resistance, chemical corrosion resistance, high strength, and high modulus. As one of the most important reinforcing materials for resin matrix composites, it has been fully used in aviation, aerospace, ships, chemical metallurgy and other fields. The performance of glass fiber-based composites is not only related to the performance and content of glass fiber and matrix, but also largely depends on the interface bonding strength between fiber and matrix resin. The surface morphology theory holds that the properties of the base surface of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C25/66C08K9/04C08K7/14C08G73/02
CPCC03C25/66C08G73/0266C08K7/14C08K9/08
Inventor 张彦张丽娜钱彦荣张杰张震宇张士涛韩富平葛慎光于京华
Owner UNIV OF JINAN
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