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Anti-electromagnetic protective membrane and preparation method thereof

A protective film and anti-electromagnetic technology, applied in the direction of film/flaky adhesives, adhesive additives, non-polymer adhesive additives, etc., can solve the problems of poor compatibility between antimagnetic substances and resins, easy peeling of coatings, Complicated structure and other problems, to achieve good anti-electromagnetic effect, easy to fall off, and good compatibility

Inactive Publication Date: 2016-09-28
胡银坤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the first type of anti-electromagnetic film is that the compatibility between the anti-magnetic material and the resin is poor, and there are very few resins that can be selected; It is easy to fall off during the process, and the structure is complex

Method used

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  • Anti-electromagnetic protective membrane and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] See figure 1 , an anti-electromagnetic protective film, comprising a protective film layer 1, a use film layer 2 and a release film 3 sequentially attached from top to bottom, and the protective film layer includes a protective film 11 and a release glue attached to the lower surface of the protective film 11 Layer 12, the use of film layer 2 includes a substrate 21 attached to the lower surface of the peeling adhesive layer 12 and an antimagnetic adhesive layer 22 attached to the lower surface of the substrate 21, the lower surface of the antimagnetic adhesive layer 22 and the release film The upper surface of 3 fits.

[0042] The protective film 11 and the peeling film 3 are PET films; the peeling adhesive layer 12 is a silica gel layer; the base material 21 is a PET film; Layer 20, the upper surface and the lower surface of the hardened layer 20 are attached to the lower surface of the peeling adhesive layer 12 and the upper surface of the base material 21 respectiv...

Embodiment 2

[0061] The difference between this embodiment and the above-mentioned embodiment 1 is that: the protective film 11 and the peeling film 3 are both PVC films; the peeling adhesive layer 12 is an acrylic adhesive layer; and the substrate 21 is a PVC film.

[0062] The thickness of the protective film 11 and the peeling film 3 are both 35 μm; the thickness of the peeling adhesive layer 12 is 8 μm; the thickness of the substrate 21 is 45 μm; the thickness of the antimagnetic adhesive layer 22 is 28 μm; The thickness of the hardened layer 20 is 4 μm.

[0063] The anti-magnetic bonding layer 22 is made by curing the anti-electromagnetic glue after coating, and the anti-electromagnetic glue is composed of the following raw materials in parts by weight:

[0064] Glue 100 parts

[0065] Anti-electromagnetic substance 10 parts

[0066] 0.8 parts of coupling agent

[0067] Curing agent 0.1 part

[0068] Catalyst 0.02 parts

[0069] 30 parts of solvent.

[0070] The glue is polyuret...

Embodiment 3

[0076] The difference between this embodiment and the above-mentioned embodiment 1 is that: the protective film 11 and the peeling film 3 are both PC films; the peeling adhesive layer 12 is a pressure-sensitive adhesive layer; and the substrate 21 is a PC film.

[0077] The thickness of the protective film 11 and the peeling film 3 are both 50 μm; the thickness of the peeling adhesive layer 12 is 12 μm; the thickness of the substrate 21 is 60 μm; the thickness of the antimagnetic adhesive layer 22 is 30 μm; The thickness of the hardened layer 20 is 5 μm.

[0078] The anti-magnetic bonding layer 22 is made by curing the anti-electromagnetic glue after coating, and the anti-electromagnetic glue is composed of the following raw materials in parts by weight:

[0079] Glue 100 parts

[0080] Anti-electromagnetic substance 20 parts

[0081] Coupling agent 1.0 parts

[0082] Curing agent 0.25 parts

[0083] Catalyst 0.03 parts

[0084] 35 parts of solvent.

[0085] The glue is ...

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Abstract

The invention relates to the technical field of protective membranes, in particular to an anti-electromagnetic protective membrane and a preparation method thereof. The anti-electromagnetic protective membrane comprises a protective membrane layer, a use membrane layer and a stripping membrane which are sequentially attached from top to bottom. The protective membrane layer comprises a protective membrane body and a stripping adhesive layer attached to the lower surface of the protective membrane body. The use membrane layer comprises a base material attached to the lower surface of the stripping adhesive layer and an anti-magnetic adhesive layer attached to the lower surface of the base material, and the lower surface of the anti-magnetic adhesive layer and the upper surface of the stripping membrane are attached. By means of the anti-magnetic adhesive layer, the anti-electromagnetic protective membrane is good in anti-magnetic performance, simple in structure, stable in performance and good in compatibility between materials.

Description

technical field [0001] The invention relates to the technical field of protective films, in particular to an anti-electromagnetic protective film and a preparation method thereof. Background technique [0002] There are two main types of anti-electromagnetic films currently on the market: one is made of metal powder, stainless steel fiber or carbon fiber, graphite fiber and other materials with high conductivity blended with resin; Metal electroplating or electroless plating, or directly inlay a layer of electromagnetic shielding film. The disadvantage of the first type of anti-electromagnetic film is that the compatibility between the anti-magnetic material and the resin is poor, and there are very few resins that can be selected; It is easy to fall off during the process, and the structure is complicated. Contents of the invention [0003] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is to provide an anti...

Claims

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Application Information

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IPC IPC(8): C09J7/02C09J133/00C09J175/04C09J167/00C09J11/08C09J11/06
CPCC08L2205/03C08L2205/035C09J7/22C09J7/30C09J11/06C09J11/08C09J133/00C09J167/00C09J175/04C08L79/02C08L63/00C08L79/04C08K5/5415C08L65/00C08L77/00
Inventor 胡银坤
Owner 胡银坤
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