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3D printing material and 3D printing product based on oxidized graphene and preparation methods of 3D printing material and 3D printing product

A 3D printing and graphene technology, applied in the field of 3D printing, can solve problems such as poor formability, achieve the effect of suitable viscosity, expand the range of raw materials, and reduce the cost of 3D printing

Active Publication Date: 2017-01-11
BEIJING TUNGHSU CARBON ADVANCED MATERIALS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to solve the problem of poor formability of current 3D printing materials, and provide a graphene oxide-based 3D printing material, 3D printing products and their preparation method to improve the room temperature formability of 3D printing materials, simplify 3D printing process and corresponding device structure

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  • 3D printing material and 3D printing product based on oxidized graphene and preparation methods of 3D printing material and 3D printing product
  • 3D printing material and 3D printing product based on oxidized graphene and preparation methods of 3D printing material and 3D printing product
  • 3D printing material and 3D printing product based on oxidized graphene and preparation methods of 3D printing material and 3D printing product

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preparation example Construction

[0030] At the same time, the present invention also provides a method for preparing a graphene oxide-based 3D printing material, the preparation method comprising the following steps: S1, preparing an aqueous solution of graphene oxide; S2, mixing the aqueous solution of graphene oxide with aniline , stirred to form a precipitate.

[0031] The present invention utilizes the surface and edge of graphene oxide due to the introduction of a large number of polar groups, so that it can be uniformly dispersed in water or other organic solvents. First, the graphene oxide solution is prepared, and then the static electricity between aniline and graphene oxide The characteristics of gravity, hydrogen bond and π-π interaction make aniline combine with graphene oxide to form a precipitate, and then obtain the desired 3D printing material. The method has simple process steps, is easy to operate, and is suitable for large-scale production.

[0032] According to the above preparation metho...

Embodiment 1

[0054] It is used to illustrate the graphene oxide-based 3D printing materials and 3D printing products of the present invention and their preparation methods.

[0055] Distilled water was added to the graphene oxide aqueous solution prepared above to dilute to prepare a graphene oxide aqueous solution with a graphene oxide concentration of 8 mg / mL;

[0056] Add 10 mL of the graphene oxide aqueous solution prepared above and 1 mL of aniline (relative density: 1.02) into a 20 mL isotope bottle, and stir with a stirrer (800 rpm) at room temperature (25° C.) for 24 h. The water phase is separated, and the precipitate is taken out to be the required 3D printing material. figure 1 is the change diagram of the product of the mixture in the isotope bottle with time, such as figure 1 As shown, the color of the graphene oxide aqueous solution gradually becomes lighter, accompanied by the gradual generation of precipitates, and the produced precipitates are the required 3D printing mat...

Embodiment 2

[0064] For illustrating graphene oxide-based 3D printing materials and 3D printing products of the present invention and their preparation methods

[0065] (1) Preparation of 3D printing materials: Referring to Example 1, the difference is that 10 mL of the graphene oxide aqueous solution prepared above and 2 mL of aniline were added to a 20 mL isotope bottle.

[0066] (2) Composition and characterization of 3D printing materials:

[0067] After analysis, it can be seen that the 3D printing material contains graphene oxide, aniline and water, and based on 100% by weight of the 3D printing material, it contains 3.1% by weight of graphene oxide, 77.5% by weight of aniline and 19.4% by weight of water; And the viscosity of the 3D printing material is 10000Pa.s.

[0068] (3) Preparation of 3D printing products: Referring to Example 1, the aforementioned 3D printing materials were prepared as 3D printing products.

[0069] (4) Composition and characterization of 3D printed produc...

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Abstract

The invention discloses a 3D printing material and a 3D printing product based on oxidized graphene and preparation methods of the 3D printing material and the 3D printing product. Main ingredients of the 3D printing material based on the oxidized graphene are the oxidized graphene, aniline and water. By the characteristic that electrostatic attraction, hydrogen bonds and Pi-Pi interact between the oxidized graphene and the aniline, the oxidized graphene and the aniline are combined with each other together to prepare the 3D printing material, the range of raw materials of the 3D printing material is expanded, moreover, the prepared 3D printing material is suitable in viscosity and can be formed at normal temperature without being heated, therefore, the 3D printing material can meet requirements of 3D printing, a corresponding 3D printing process and structures of devices can be simplified to reduce costs for 3D printing, and then the 3D printing material is suitable for large-scale production of 3D printing products.

Description

technical field [0001] The present invention relates to the field of 3D printing, in particular to a graphene oxide-based 3D printing material, 3D printing product and their preparation method. Background technique [0002] 3D printing is known as another industrial revolution subverting the traditional manufacturing industry. It is mainly a processing technology that uses the characteristics of extruded and rapid prototyping of printing materials and uses computers as numerical control. 3D printing technology has a very broad application prospect. [0003] Existing 3D printing materials are usually thermoplastic materials or alloy materials, which have very low viscosity and poor formability at room temperature. Therefore, in the printing process of current 3D printing materials, it is usually necessary to melt the materials at high temperature and then press them according to the preset Programs are extruded or tiled and finally solidified into shape. In view of the curre...

Claims

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Application Information

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IPC IPC(8): C01B32/198B33Y70/00B33Y10/00
CPCB33Y10/00B33Y70/00C01B2204/22
Inventor 姜越王忠辉
Owner BEIJING TUNGHSU CARBON ADVANCED MATERIALS TECH CO LTD
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