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Color polytetrafluoroethylene release film and preparation method thereof

A technology of polytetrafluoroethylene and its manufacturing method, which is applied in the field of mechanical peeling film and electronics, can solve problems such as single color and limited application range, and achieve the effects of convenient operation, wide application range, excellent anti-sticking performance and surface smoothness

Inactive Publication Date: 2012-07-04
TIANJIN TIANSUBINHAI PTFE PLASTIC PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the currently commonly used PTFE release film has only a single color, so the scope of application is limited.

Method used

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  • Color polytetrafluoroethylene release film and preparation method thereof
  • Color polytetrafluoroethylene release film and preparation method thereof
  • Color polytetrafluoroethylene release film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] like figure 1 , figure 2 , image 3 As shown, the manufacturing method of the colored polytetrafluoroethylene release film provided in this embodiment includes the following steps in order:

[0022] 1) Blend polytetrafluoroethylene resin and green titanium-based inorganic pigments as filler materials (special pigments for polytetrafluoroethylene, products of Changzhou Caiyi Chemical Co., Ltd., Jiangsu Province) in a blender at a weight ratio of 100:5 1 minute to make the mixed ingredients;

[0023] 2) Put the above-mentioned mixed material 3 in the inner space of the common mold consisting of the outer mold 1, the upper mold 2, the center core 4 and the lower mold 5, and then keep the mixture under the pressure of 20Mpa and the pressurization rate of 16mm / min. Press for 6 minutes to complete the press molding, then release the pressure and release the mold to obtain a semi-finished blank;

[0024] 3) Put the above-mentioned semi-finished blank into the sintering fu...

Embodiment 2

[0028] like figure 1 , figure 2 , image 3 As shown, the manufacturing method of the colored polytetrafluoroethylene release film provided in this embodiment includes the following steps in order:

[0029] 1) Blend polytetrafluoroethylene resin and red titanium-based inorganic pigments as filler materials (special pigments for polytetrafluoroethylene, products of Changzhou Caiyi Chemical Co., Ltd., Jiangsu Province) in a blender at a weight ratio of 100:3 1 minute to make the mixed ingredients;

[0030] 2) Put the above-mentioned mixed material 3 in the inner space of the common mold consisting of the outer mold 1, the upper mold 2, the center core 4 and the lower mold 5, and then keep the mixture under the pressure of 15Mpa and the pressurization rate of 20mm / min. Press for 6 minutes to complete the press molding, then release the pressure and release the mold to obtain a semi-finished blank;

[0031] 3) Put the above-mentioned semi-finished blank into the sintering furn...

Embodiment 3

[0035] like figure 1 , figure 2 , image 3 As shown, the manufacturing method of the colored polytetrafluoroethylene release film provided in this embodiment includes the following steps in order:

[0036] 1) Put polytetrafluoroethylene resin and blue titanium-based inorganic pigments (special pigments for polytetrafluoroethylene, products of Changzhou Caiyi Chemical Co., Ltd., Jiangsu Province) as filler materials in a blender at a weight ratio of 100:5. Mix for 1 minute to make the mix;

[0037] 2) Put the above-mentioned mixed material 3 in the inner space of the common mold composed of the outer mold 1, the upper mold 2, the center core 4 and the lower mold 5, and then keep it under the pressure of 15Mpa and the pressurization rate of 18mm / min. Press for 6 minutes to complete the press molding, then release the pressure and release the mold to obtain a semi-finished blank;

[0038] 3) Put the above-mentioned semi-finished blank into the sintering furnace, such as fi...

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Abstract

The invention discloses a color polytetrafluoroethylene release film and a preparation method thereof. The color polytetrafluoroethylene release film is prepared through the following steps: blending polytetrafluoroethylene resin and a pigment according to a weight ratio of 100:1-10, and carrying out treatments of pre-forming, sintering, turning and rolling to prepare the color polytetrafluoroethylene release film. According to the present invention, the color polytetrafluoroethylene release film of the present invention has excellent anti-sticking property and surface smoothness of the polytetrafluoroethylene, and can provide light and stable release force during stripping; the color polytetrafluoroethylene release film of the present invention further has characteristics of weathering resistance, temperature resistance, chemical stability, and other excellent properties of the polytetrafluoroethylene, and has bright color, such that the application range is wide; the preparation method is simple, and is convenient to operate.

Description

technical field [0001] The invention belongs to the technical field of electronic and mechanical peeling films, in particular to a colored polytetrafluoroethylene release film and a manufacturing method thereof. Background technique [0002] The release film is a film with a separable surface. It is not sticky or slightly sticky after contacting with a specific material under limited conditions. Commonly used release film materials are PET, PE, and OPP. In order to increase the release force of the plastic film, the plastic film is usually subjected to plasma treatment, fluorine coating or silicon release agent is coated on the surface of the film material. PTFE itself has excellent anti-adhesive properties, and the release film made of it can provide extremely light and stable release force, and also has the weather resistance, temperature resistance, and chemical stability of PTFE. Excellent performance, so it is widely used in high-tech fields such as electronics, electr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/18B29D7/01
Inventor 屈灏张超吕舟旗
Owner TIANJIN TIANSUBINHAI PTFE PLASTIC PROD
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