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Solvent-resistant antistatic film

An antistatic film and antistatic technology, applied in the direction of adhesives, conductive coatings, film/sheet release coatings, etc., can solve the problems of unstable antistatic performance, uncertain product risk, and large humidity change range, etc., to achieve antistatic Stable electrostatic performance, reduced chance of damage, small change in surface resistance

Active Publication Date: 2020-11-24
ZHEJIANG OUREN NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing antistatic film is greatly affected by the ambient humidity, and its antistatic performance is unstable. Therefore, due to the large range of humidity changes in the process or use environment of electronic products coated with antistatic film, it brings uncertainty to the product. risks of

Method used

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Examples

Experimental program
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Embodiment 1~4

[0031] Embodiment 1~4: a kind of solvent-resistant type antistatic film, comprise substrate layer 1, the first antistatic coating 2 and the second antistatic coating 3, described first antistatic coating 2 and second antistatic coating The electrostatic coating 3 is located on the upper surface and the lower surface of the substrate layer 1 respectively, and a pressure-sensitive adhesive layer 4 is located between the release layer 5 and the second antistatic coating 3, and the pressure-sensitive adhesive layer 4 is located on the second antistatic layer. The surface of the electrostatic coating 3 opposite to the substrate layer 1;

[0032] Both the first antistatic coating 2 and the second antistatic coating 3 are obtained by drying the coating solution, and the coating solution consists of the following components in parts by weight, as shown in Table 1:

[0033] Table 1

[0034] ;

Embodiment 1

[0035] In Example 1, the antioxidant is selected from antioxidant 1010, the above-mentioned leveling agent is selected from leveling agent 440, the above-mentioned substrate layer 1 is a PET layer, the thickness of the above-mentioned substrate layer 1 is 50 μm, and the above-mentioned first antistatic coating 2 and the second antistatic coating 3 both have a thickness of 6 μm.

Embodiment 2

[0036] In Example 2, the antioxidant is selected from antioxidant 1024, the above-mentioned leveling agent is selected from the leveling agent DC57, the above-mentioned substrate layer 1 is a TPU layer, the thickness of the above-mentioned substrate layer 1 is 50 μm, and the above-mentioned first antistatic coating 2 and the second antistatic coating 3 both have a thickness of 6 μm.

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Abstract

The invention discloses a solvent-resistant antistatic film. The film comprises a substrate layer, a first antistatic coating and a second antistatic coating, wherein the first antistatic coating andthe second antistatic coating are respectively arranged on an upper surface and a lower surface of the substrate layer, and a pressure-sensitive adhesive layer is located between a release layer and the second antistatic coating; the first antistatic coating and the second antistatic coating are obtained by drying a coating liquid, and the coating liquid consists of the following components in parts by weight: polyurethane resin, polyvinyl alcohol, sodium octyl sulfate, N-ethyl-N-(3-sulfopropyl)-3-methylaniline sodium salt, dioctyl terephthalate, n-butyl alcohol, isobutyl acetate, castor oil polyoxyethylene ether, triethylenetetramine, a silane coupling agent, antioxidant and a leveling agent. According to the invention, not only is antistatic property improved, but also the solvent-resistant antistatic film has little surface resistance change and stable antistatic property under a condition that the environmental humidity shadow change is large, so that the solvent-resistant antistatic film is suitable for complex electronic product process flow and climate, and greatly reduces probability of electronic product damage.

Description

technical field [0001] The invention belongs to the technical field of protective films, in particular to a solvent-resistant antistatic film. Background technique [0002] On the one hand, during the handling and use of electronic products and other products, their surfaces are susceptible to contact pollution or scratches. On the other hand, under the demand of thinner, lighter and smaller electronic devices, the power density of electrical operation needs to be continuously improved. The application occasions of these electronic products generally have anti-static requirements, because the existence of static electricity is not only easy to absorb dust on the surface of the product, but also It will further affect the accuracy of the circuit, or cause circuit breakdown during the processing of electronic products, making the product invalid. Therefore, it is necessary to do electrostatic protection treatment on the protective film. [0003] The existing antistatic film ...

Claims

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Application Information

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IPC IPC(8): C09J7/25C09J7/50C09D175/04C09D129/04C09D5/24
CPCC09D5/24C09J2475/003C09J7/38C09J2301/302C09J7/255C09J7/50C09J7/40C09J2467/006C09J2203/318C09J2301/122C09J2429/003C09D175/04C09J7/25C09D129/04C09K3/16
Inventor 涂大记杨晓明潘华
Owner ZHEJIANG OUREN NEW MATERIALS CO LTD
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