Method for growth of one-dimensional zinc oxide nanowires on surfaces of carbon fibers

A technology of zinc oxide nanowires and surface growth, which is applied in the directions of carbon fiber, fiber processing, textiles and papermaking, can solve the problem of not being able to grow one-dimensional zinc oxide nanowires from carbon fibers, and overcome the long hydrothermal reaction time and low reaction temperature. , the effect of mild reaction conditions

Active Publication Date: 2019-10-11
BEIJING UNIV OF CHEM TECH
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Problems solved by technology

[0008] The present invention aims to solve the technical problem that existing methods cannot effectively grow one-dimensional zinc oxide nanowires on the surface of carbon fibers, and provides a method for the controllable and high-yield preparation of one-dimensional zinc oxide modified carbon fibers. The method has reaction conditions The advantages of mildness, non-toxic and harmless raw materials, simple operation, and low cost are beneficial to scale-up production

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  • Method for growth of one-dimensional zinc oxide nanowires on surfaces of carbon fibers
  • Method for growth of one-dimensional zinc oxide nanowires on surfaces of carbon fibers

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Embodiment 1

[0028] This embodiment provides a modified method for growing one-dimensional zinc oxide nanowires on the surface of carbon fibers.

[0029] The carbon fiber selected in this embodiment is chopped carbon fiber T700.

[0030] In this embodiment, one-dimensional zinc oxide nanowires are grown on the above chopped carbon fibers, and the specific steps are as follows:

[0031] Weigh 5 g of chopped carbon fiber, place the chopped carbon fiber in a muffle furnace, and pre-oxidize it for 3 hours in an environment with a temperature of 400 ° C; the alkali soaking process is to soak the pre-oxidized chopped carbon fiber in a weak alkali solution, The soaking time is 3 hours; the product after cleaning is subjected to the seed coating process, and 1 g is weighed and added to an ethanol solution of zinc acetate dihydrate for 20 minutes. The ethanol solution of sodium was added dropwise at 8rad / s, washed and dried after reacting for 20min; the zinc sulfate solution with a concentration o...

Embodiment 2

[0034] This embodiment provides a modified method for growing one-dimensional zinc oxide nanowires on the surface of carbon fibers.

[0035] The carbon fiber selected in this embodiment is chopped carbon fiber T300.

[0036] In this embodiment, one-dimensional zinc oxide nanowires are grown on the above carbon fibers, and the specific steps are as follows:

[0037] Weigh 10g of carbon fiber, place the carbon fiber in a muffle furnace, and pre-oxidize it for 5 hours in an environment with a temperature of 600°C; the alkali soaking process is to soak the pre-oxidized carbon fiber in a weak alkaline solution for 5 hours; The processed product is carried out the seed coating process, takes 2g and adds in the ethanol solution of dihydrate zinc acetate ultrasonic 120min, after stirring 120min (rotating speed is 300rad / s), the ethanol solution of sodium hydroxide is mixed with peristaltic pump at 10rad / s Drop in, wash and dry after reacting for 30min; add zinc sulfate solution with ...

Embodiment 3

[0040] This embodiment provides a modified method for growing one-dimensional zinc oxide nanowires on the surface of carbon fibers.

[0041] The carbon fiber selected in this embodiment is continuous fiber T300.

[0042] In this embodiment, one-dimensional zinc oxide nanowires are grown on the above chopped carbon fibers, and the specific steps are as follows:

[0043] Weigh 2 g of chopped carbon fiber, place the chopped carbon fiber in a muffle furnace, and pre-oxidize it for 5 hours in an environment with a temperature of 300 ° C; the alkali soaking process is to soak the pre-oxidized chopped carbon fiber in a weak alkali solution, The soaking time is 5h; the product after cleaning is subjected to the seed coating process, and 0.1g is weighed and added to an ethanol solution of zinc acetate dihydrate, sonicated for 10min, stirred for 10min (rotating speed is 300rad / s), and the sodium hydroxide is mixed with a peristaltic pump. The ethanol solution was added dropwise at 1rad...

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Abstract

The invention relates to a method for growth of one-dimensional zinc oxide nanowires on the surfaces of carbon fibers. The method is characterized by comprising the following steps that the carbon fibers are preoxidized; the preoxidized carbon fibers are soaked in an alkalescent solution, the soaked products are cleaned and added into an ethanol solution of zinc acetate dihydrate for ultrasonic stirring, then an ethanol solution of sodium hydroxide is dropwise added, and after a reaction is conducted, washing and drying are conducted; a zinc sulfate solution is added into a sodium hydroxide solution, and through filtration and air-drying, zinc hydroxide octahedrons are formed; the obtained carbon fibers are added into a seed growth solution, and a reaction is conducted; the product obtained after the reaction is cleaned, and the modified carbon fibers with growth of the one-dimensional zinc oxide nanowires are obtained. The method can be applied to the field of carbon fiber preparation.

Description

technical field [0001] The invention belongs to the technical field of fiber modification, and in particular relates to a preparation method for growing one-dimensional zinc oxide nanowires on the surface of carbon fibers. Background technique [0002] Carbon fiber is a conductive material with high strength, low density and high temperature resistance. It is mainly made into carbon fiber reinforced resin matrix composites and widely used in aerospace, fuel cells, turbomachinery, compressed gas storage and transportation, antistatic and electromagnetic shielding materials etc. However, the chemical inertness leads to weak interfacial bonding between the carbon fibers and the matrix, which is a major problem for tribological stability and excessive wear of composites. Therefore, it is possible to introduce micro-nano structures on the surface of carbon fibers to make them have more excellent performance. [0003] Zinc oxide is an important inorganic functional material, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/44D06M101/40
CPCD06M11/44D06M2101/40
Inventor 隋刚庄莉张清杰杨小平
Owner BEIJING UNIV OF CHEM TECH
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