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A kind of manufacturing method of graphite film with length or width greater than 550 mm

A manufacturing method, technology of graphite film, applied in the field of making graphite film with a length or width greater than 550 mm

Active Publication Date: 2016-06-08
JIANGXI DESIEN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Can not meet the growing needs, for this reason, we have developed a method for making graphite films with a length or width greater than 550 mm that can produce larger-sized graphite films

Method used

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  • A kind of manufacturing method of graphite film with length or width greater than 550 mm
  • A kind of manufacturing method of graphite film with length or width greater than 550 mm

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] The manufacture method of the graphite film whose length or width is greater than 550 millimeters of the present invention comprises the following steps:

[0021] 1. Carbonize the PI film in a carbonization furnace;

[0022] Two, place the graphitization in the horizontal graphite furnace again; The horizontal graphite furnace includes a furnace core assembly, a furnace body, and a furnace cover; the furnace core assembly includes a graphite heating element, an insulating graphite blanket, and a furnace core end cover; the furnace core The components are placed horizontally in the furnace body; the heat-retaining graphite blanket is in the shape of a cylindrical cup, and the opening of the heat-retaining graphite blanket is provided with a circular groove; the inner wall of the heat-retaining graphite blanket is provided with a...

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Abstract

The invention discloses a method for manufacturing a graphite film with the length or width greater than 550 mm, wherein the method comprises the following steps: one, placing a PI film in a carbonization furnace, and carbonizing; two, then placing in a horizontal graphite furnace, and graphitizing; and three, after graphitization, calendaring. The method for manufacturing the graphite film with the length or width greater than 550 mm can manufacture the graphite film product with extra large size and with the length or width greater than 550 mm, and also can improve the die cutting efficiency of the synthetic graphite film product and enhance the die cutting utilization rate of synthetic graphite products.

Description

technical field [0001] The invention relates to a method for making a graphite film with a length or width greater than 550 millimeters, capable of producing a larger-sized graphite film. Background technique [0002] At present, the maximum length or width of synthetic graphite film products is 500mm. Can not meet the growing needs, for this reason, we have developed a kind of making method of the graphite film that can make the graphite film of bigger size or the length or width greater than 550 millimeters. Contents of the invention [0003] The purpose of the present invention is to provide a method for making a graphite film with a length or width greater than 550 millimeters in order to overcome the deficiencies in the prior art. [0004] In order to achieve the above object, the technical solution adopted in the present invention is: a kind of length or width is greater than the manufacture method of the graphite film of 550 millimeters, comprises the following ste...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B31/04
Inventor 付学林
Owner JIANGXI DESIEN TECH CO LTD