Anti-reverse-warping shading adhesive tape capable of being removed through stretching and preparation method of anti-reverse-warping shading adhesive tape

A shading tape and removal technology, applied in the direction of adhesives, film/sheet adhesives, non-polymer adhesive additives, etc., can solve the problems of poor anti-warping ability and difficult removal of shading tapes. Good fit and stress relief properties, improved anti-warpage, high tension effects

Pending Publication Date: 2021-08-31
佳普电子新材料(连云港)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies of the prior art, the present invention provides a light-shielding adhesive tape that can be easily stretched and removed with anti-warping and a preparation method ther

Method used

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  • Anti-reverse-warping shading adhesive tape capable of being removed through stretching and preparation method of anti-reverse-warping shading adhesive tape
  • Anti-reverse-warping shading adhesive tape capable of being removed through stretching and preparation method of anti-reverse-warping shading adhesive tape

Examples

Experimental program
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Example Embodiment

[0038] Example 1

[0039] See figure 1 Shown an anti-warping stretchable removable tape shielding, comprising a black base layer 13, the substrate layer 13 is preferably black used TPU film as a substrate, 13 upper and lower sides of the base layer black 12 are provided with acrylic adhesive layer, the acrylic adhesive layer 12 on a side away from the black base layer 13 are provided with a release layer 11, release layer 11 is a release paper or a release film.

[0040] Black embodiment the substrate layer 13 of the present embodiment is black, the transmittance is 0%; thickness of the substrate layer 13 is a black 20μm-50μm, a tensile strength 12Mpa-17Mpa, elongation at break of 500% -800%.

[0041] In the present embodiment, the thickness of the acrylic adhesive layer 12 is 10μm-30μm, peel force of 1300g / in-1700g / in; a plurality of microspheres 14 added within the acrylic adhesive layer 12, the glass microspheres 14 microspheres or expandable microspheres, the microspheres ...

Example Embodiment

[0050] Example 2

[0051] See figure 2 , The present embodiment differs from the embodiment 1 in that a single-sided light-shielding tape shielding tape 13 includes a base layer of black black substrate layer 13 or bottom side 12 is provided with acrylic adhesive layer, the acrylic side remote from the glue layer 12 the base layer 13 provided on black release layer 11, release layer 11 is a release paper or a release film. Black embodiment the substrate layer 13 of the present embodiment is a black TPU material, the transmittance is 0%; thickness of the substrate layer 13 is a black 20μm-50μm, a tensile strength 12Mpa-17Mpa, elongation at break of 500% - 800%.

[0052] In the present embodiment, the thickness of the acrylic adhesive layer 12 is 10μm-30μm, peel force of 1300g / in-1700g / in; a plurality of microspheres 14 added within the acrylic adhesive layer 12, the glass microspheres 14 microspheres or expandable microspheres, the microspheres 14 having a diameter of 5μm-15μm,...

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Abstract

The invention provides an anti-warping shading adhesive tape capable of being removed through stretching. The adhesive tape comprises a black base material layer, an acrylic glue layer is arranged on the upper side or the lower side of the black base material layer, or acrylic glue layers are arranged on the upper side and the lower side of the black base material layer, a release layer is arranged on the side, away from the black base material layer, of the acrylic glue layer, and a plurality of microspheres are arranged in the acrylic glue layer. The problems that an existing shading adhesive tape is not easy to remove and poor in anti-warping capacity are solved, and meanwhile no residual adhesive exists on the surface of a part after the shading adhesive is removed.

Description

technical field [0001] The invention relates to the technical field of electronic product original shielding tape, in particular to an anti-warping, stretchable and removable light-shielding tape and a preparation method thereof. Background technique [0002] With the popularization of electronic products such as smartphones and tablet computers, tapes play an irreplaceable role in the fixing of electronic components and other equipment; shading tape is a black single-sided or double-sided tape with light-shielding function, mainly used for fixing LCD display and backlight assembly with excellent shielding and insulated wires. [0003] At present, mobile phone screens are developing in the direction of curved narrow borders, which means that the light-shielding tape needs to have excellent anti-warping performance. The liquid crystal display and the backlight module are prone to disengagement phenomenon when the existing light-shielding tape is attached to the curved narrow...

Claims

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Application Information

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IPC IPC(8): C09J7/25C09J7/30C09J133/12C09J11/04C09J11/00
CPCC09J7/25C09J7/30C09J133/12C09J11/04C09J11/00C09J2301/122C09J2301/124C09J2475/006C09J2433/00C09J2301/412C09J2301/502
Inventor 张喜悦
Owner 佳普电子新材料(连云港)有限公司
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