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Anti-static release film and preparation method thereof

A technology of antistatic layer and release agent, applied in chemical instruments and methods, lamination, coating, etc., can solve the problems of no film, dust absorption, incompatibility between anti-near point coating and release coating, etc., to achieve The surface resistance is small and the effect of improving the antistatic performance

Inactive Publication Date: 2014-11-19
SUZHOU XILIN OPTOELECTRONICS TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The release film in the prior art is an insulator, and it is easy to generate static electricity during the winding and unwinding process, absorbing dust, affecting the processing quality in the later stage, and causing the electronic components in contact with it to be damaged by high-voltage discharge
[0003] In the traditional coating process of the release film, the anti-near point coating and the release coating are incompatible. There are antistatic films and release films in the prior art, but there is no film with both antistatic and release functions

Method used

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  • Anti-static release film and preparation method thereof
  • Anti-static release film and preparation method thereof
  • Anti-static release film and preparation method thereof

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Embodiment 1

[0028] An antistatic release film is characterized in that it comprises a PET base film layer successively, and one surface of the PET base film layer is coated with a polyurethane layer; the other surface is coated with an antistatic layer containing conductive particles and a release agent successively layer; the conductive particle in the antistatic layer is fluorine-doped tin oxide, and fluorine-doped tin oxide accounts for 50% of the total weight of the antistatic layer; the release agent coating is an addition type organic silicon material; the polyurethane coating includes Count the following components of the mix:

[0029]

Embodiment 2

[0031] An antistatic release film is characterized in that it comprises a PET base film layer successively, and one surface of the PET base film layer is coated with a polyurethane layer; the other surface is coated with an antistatic layer containing conductive particles and a release agent successively layer; the conductive particle in the antistatic layer is fluorine-doped tin oxide, and fluorine-doped tin oxide accounts for 55% of the total weight of the antistatic layer; the release agent coating is an addition type organic silicon material; the polyurethane coating includes Count the following components of the mix:

[0032]

[0033]

[0034] A method for preparing antistatic release film, comprising the following steps:

[0035] Step 1, uniformly apply the polyurethane coating on one surface of the PET base film by conventional coating methods, and the coating thickness is 0.5mm;

[0036] Step 2, heat the product obtained in step 2 in an oven for 5 to 10 minutes,...

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Abstract

The invention discloses an anti-static release film. The anti-static release film comprises a PET base film layer, wherein one surface of the PET base film layer is coated with a polyurethane layer and the other surface of the PET base film layer is sequentially coated with an anti-static layer containing conductive particles and a release agent layer; the polyurethane coating comprises following components which are mixed in parts by weight: 50-60 parts of a polyurethane prepolymer, 5-10 parts of dimethicone, 5-8 parts of epoxy resin, 1-3 parts of a cross-linking agent, 3-5 parts of a plasticizer, 1-3 parts of a chain extender, 1-3 parts of a de-foaming agent and 1-2 parts of a catalyst. The invention discloses a method for preparing the anti-static release film. The anti-static release film disclosed by the invention is provided with the anti-static layer containing the conductive particles so that the surface resistance is small and the anti-static performance is improved; and the anti-static release film further comprises the release agent layer so that the anti-static release film has the anti-static function and the release function.

Description

technical field [0001] The invention relates to an antistatic release film and a preparation method thereof. Background technique [0002] With the development of electronics and communication industries, the demand for release film is increasing day by day, and the requirements are becoming more and more stringent. One of them is to require the release film to have anti-static function. The release film in the prior art is an insulator, and it is easy to generate static electricity during the winding and unwinding process, absorb dust, affect the processing quality in the later stage, and cause the electronic components in contact with it to be damaged by high-voltage discharge. [0003] In the traditional coating process of the release film, the anti-near-point coating and the release coating are incompatible. There are antistatic films and release films in the prior art, but there is no film with both antistatic and release functions. Contents of the invention [0004]...

Claims

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Application Information

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IPC IPC(8): B32B27/08B32B27/18B32B37/14C09D175/04C09D163/00C09D183/04
Inventor 金国华黄强杨乐施燕陈胜利周明许修安韩州叶建明朱霆
Owner SUZHOU XILIN OPTOELECTRONICS TECH IND