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Preparation method of functional composite paper based on graphene oxide modification

A functional, composite paper technology, applied in chemical instruments and methods, other chemical processes, water/sludge/sewage treatment, etc., can solve problems such as threats to drinking water sources, achieve strong toughness, not easy to decompose, and broad development prospects Effect

Active Publication Date: 2016-11-09
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the wastewater is discharged directly without treatment, it will pose a great threat to the increasingly tense drinking water source

Method used

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  • Preparation method of functional composite paper based on graphene oxide modification
  • Preparation method of functional composite paper based on graphene oxide modification
  • Preparation method of functional composite paper based on graphene oxide modification

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The concrete steps of the preparation method of graphene oxide composite paper are as follows:

[0026] (1) Weighing 0.1g of graphene oxide is soaked in 100ml deionized water for 12h, and ultrasonicated at room temperature for 2 hours in an ultrasonic device with a power of 100W, to obtain a graphene oxide suspension with a uniformly dispersed concentration of 1mg / ml;

[0027] (2) Soak a certain quality of boxed facial tissue in the graphene oxide solution and place it for 3 hours;

[0028] (3) From the graphene oxide solution, use tweezers to gently take out the impregnated paper towel, spread it on the tinfoil paper, and dry it at 40° C. for 12 hours to obtain the graphene oxide composite paper.

Embodiment 2

[0030] A kind of preparation method of graphene oxide composite paper is the same as embodiment 1, wherein:

[0031] In the (1) step, the quality of graphene oxide is 0.05g, prepares the graphene oxide solution of 3mg / ml;

[0032] In the (2) step, a certain quality of removable plastic packaging facial tissue is immersed in the graphene oxide dispersion of the above-mentioned concentration.

Embodiment 3

[0034] A kind of preparation method of graphene oxide composite paper is the same as embodiment 1, wherein:

[0035] In the (1) step, the quality of graphene oxide is 0.3g, prepares the graphene oxide solution of 3mg / ml;

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Abstract

The invention discloses a preparation method of a functional composite paper modified based on graphene oxide, belonging to the field of environment-friendly application materials. The preparation method specifically comprises the following steps: preparing graphene oxide by adopting an improved Hummers method, and performing ultrasonic oscillation dispersing to obtain a graphene oxide solution; soaking a facial tissue in the graphene oxide solution, and impregnating for 3-5h; and taking the facial tissue out, spreading on silver paper, placing in a drying oven, and drying at a temperature of 40 DEG C for 12h to obtain the graphene oxide composite paper. The graphene oxide composite paper prepared by adopting the preparation method is regular in structure and has good stability and good adsorbability; the shapes, sizes and thicknesses of the paper can be controlled. The preparation method is simple in process, low in cost and strong in practicability. On the aspects of protecting an environment and preventing water from being polluted, wide application prospect is obtained.

Description

technical field [0001] The invention relates to a preparation method of functional composite paper based on graphene oxide modification, and the functional paper can be used in the field of environmental protection. Background technique [0002] Graphene oxide is the product of natural graphite after chemical oxidation and exfoliation, and it is a single atomic layer. Graphene oxide has the characteristics of amphiphilic molecules, has excellent dispersibility in water, exhibits hydrophilic properties, and presents a distribution of properties from hydrophilic to hydrophobic from the edge to the center of the graphene flakes. After oxidation treatment, graphite oxide still maintains the layered structure of graphite, but many oxygen functional groups are introduced into the graphene sheet of each layer, and the introduction of these oxygen functional groups makes the single graphene structure very complex. Carbon materials have attracted widespread attention because of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/20B01J20/32C02F1/28
CPCB01J20/20B01J20/28033B01J20/3214B01J20/3297C02F1/281
Inventor 孙立涛毕恒昌曹海燕万树
Owner SOUTHEAST UNIV