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Injectiong coagulation shaping technology of high performance graphite product

A technology of graphite products and injection molding, which is applied to clay products, applications, household appliances, etc., can solve the problems of high energy consumption in the molding process, cannot be molded at one time, and complex shapes, etc., to achieve isotropy, improve reliability, and reduce The effect of production costs

Inactive Publication Date: 2007-10-31
OCEAN UNIV OF CHINA
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Problems solved by technology

[0007] The purpose of the present invention is to provide a high-performance graphite product injection molding process, which can overcome the shortcomings of the existing graphite product forming process, such as high energy consumption, long cycle, and inability to form complex shapes at one time

Method used

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  • Injectiong coagulation shaping technology of high performance graphite product
  • Injectiong coagulation shaping technology of high performance graphite product
  • Injectiong coagulation shaping technology of high performance graphite product

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Embodiment Construction

[0015] (1) Preparation of graphite carbon paste and related performance tests.

[0016] Weigh 150 grams of organic monomer acrylamide, 25 grams of crosslinking agent N,N'-methylenebisacrylamide, and 20 grams of dispersant sodium dodecylsulfonate, add it to distilled water, stir at room temperature, and make the above The reagents were fully dissolved and made into a 1000 ml solution, and the pH was adjusted to 11.0 with concentrated ammonia water; Ball milling at the speed of revolution per minute for a total of 24 hours to obtain graphite carbon slurry.

[0017] The carbon source in the present invention is natural graphite or synthetic graphite; the content of graphite in the carbon slurry is 20vol%-50vol%. The organic monomer is an organic compound containing vinyl, allyl, acrylate, acrylamide or acrylic functional groups, and the crosslinking agent is N, N'-methylenebisacrylamide; the sum of the content of the organic monomer and the crosslinking agent It is 5wt%-20wt% o...

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Abstract

A moulding process for preparing high-performance graphite product includes such steps as proportionally mixing graphite, organic monomer, cross-linking agent, disperser and water, regulating pH value, mixing it with trigger, stirring, loading in mould, solidifying, demoulding and sintering.

Description

technical field [0001] The invention relates to a gel injection molding process of graphite products, which belongs to the field of inorganic non-metallic materials. Mainly used in refractory materials, wear-resistant materials, lubricating materials, electric carbon materials, coatings and other fields. Background technique [0002] The preparation of high-performance carbon and graphite materials is a long process with high energy consumption. The traditional method of preparing carbon or graphite composite materials from organic precursors requires several carbonization, graphitization, and densification under high pressure conditions. Generally, it takes 5 cycles, which is time-consuming and energy-consuming. Compared with hot pressing, it can reduce the cost and shorten the preparation time. However, the shape of the obtained product is limited by the hot pressing mold and can only be sheet or columnar. Therefore, the product still needs further processing, thus prolon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/52C04B33/28
Inventor 黄翔马峻峰戴金辉朱志斌吴平伟胡应模王洪芬陈海燕
Owner OCEAN UNIV OF CHINA
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