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Method for coating silicone on polyimide film

A technology of polyimide film and silicone, applied in the direction of surface coating liquid device, coating, pretreatment surface, etc., can solve the problem of incomplete curing, to prevent incomplete curing, enhance elasticity and particles binding effect

Inactive Publication Date: 2020-06-30
特迪爱股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the problem is that when the PI film is coated with silicone by simply immersing the PI film in the liquid silicone used for silicone coating, incomplete curing occurs

Method used

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  • Method for coating silicone on polyimide film
  • Method for coating silicone on polyimide film
  • Method for coating silicone on polyimide film

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Embodiment Construction

[0020] Hereinafter, a method of coating a polyimide film with silicone according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Although specific embodiments of the invention have been shown in the drawings and described in detail in this specification, the invention may be modified in various ways and take various alternative forms. There is no intention to limit the invention to the particular forms disclosed. On the contrary, the present invention covers all modifications, equivalents and substitutions falling within the spirit and scope of the present invention. In this process, the thickness of lines, the size of components, etc. illustrated in the drawings may be exaggerated for clarity and convenience of description.

[0021] It should be understood that although the terms "first", "second", etc. may be used herein to describe various elements, the elements should not be limited by these terms. Terms ...

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Abstract

The present invention relates to a method for coating silicone on a polyimide film usable for vehicle navigation and the like, comprising: a film supply step of unwinding a polyimide film from a supply roll and supplying the same; an impregnation step of making the supplied film pass through an impregnation tank, in which a silicone solution is stored, so as to impregnate silicone into the supplied film; a first low temperature treatment step of low temperature treating the impregnated film in which silicone is impregnated; a high temperature treatment step of high temperature treating the impregnated film after the low temperature treatment; a second low temperature treatment step of low temperature treating the impregnated film after the high temperature treatment; and a film winding step of winding the low temperature treated silicone-impregnated film around a winding roll.

Description

technical field [0001] The present invention relates to a method for coating a polyimide film with silicone, and more particularly, to a method for coating a polyimide film with silicone, wherein the process of coating the polyimide film with silicone is prevented Incomplete curing of silicone during the process, and enhanced elasticity and particle bonding. Background technique [0002] Generally, a polyimide (PI) film is a film made of PI resin. PI resin refers to a high heat-resistant resin, which is prepared by solution polymerization of aromatic dianhydride and aromatic diamine or aromatic diisocyanate to prepare polyamic acid derivatives, and polyamic acid Derivatives undergo ring-closing dehydration, resulting in imidization of polyamic acid derivatives. [0003] PI resin is an insoluble and non-melting ultra-high heat-resistant resin, and has excellent properties such as thermal oxidation resistance, heat resistance, radiation resistance, low-temperature characteri...

Claims

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Application Information

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IPC IPC(8): B05D1/18C08J7/04B05D3/02B05D3/04
CPCB05D1/18B05D3/02B05D3/04B05D7/24C08J7/04C08L79/08C09D183/00B05D3/0254B05D2518/10B05D2252/04C08J2379/08C08J2483/00B05D3/0426
Inventor 金庾信薛京植金靖桓
Owner 特迪爱股份公司
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