Porcelain white PET double-sided adhesive tape with lasting viscous force

A double-sided adhesive tape, porcelain white technology, applied in the direction of adhesives, adhesive types, ester copolymer adhesives, etc., can solve the problems of reduced viscosity and inability to play a light-shielding effect, achieve good viscosity and improve viscosity stability , good shading performance

Pending Publication Date: 2021-04-27
安徽格林开思茂光电科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional PET double-sided tape can not play the role of shading, and the second is that the viscosity can meet the requirements in the early stage, but the viscosity will decrease a lot after a long time.

Method used

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  • Porcelain white PET double-sided adhesive tape with lasting viscous force
  • Porcelain white PET double-sided adhesive tape with lasting viscous force

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of preparation of the porcelain white PET double-sided adhesive tape with lasting stickiness, the steps are as follows:

[0018] S1. Dissolve 3 parts of terpene phenol resin in 50 parts of solvent, then add it to 100 parts of acrylic glue, stir, then add 0.5 part of curing agent, stir to obtain a glue coating solution;

[0019] S2, coating the sizing material coating solution on one side of porcelain white PET film (100 μ m thick), baking, forming the first acrylic adhesive layer (35 μ m) on one side of PET film, and pasting on the first acrylic adhesive layer Combined with the first silicone oil release film (36μm);

[0020] S3, coating the sizing material coating solution on the other side of the porcelain white PET film, baking, forming a second acrylic adhesive layer (35 μm) on the other layer of the PET film, and pasting the second silicone oil on the second acrylic adhesive layer Release film (25μm) to get the finished product.

[0021] The sources of the...

Embodiment 2

[0023] Compared with Example 1, the preparation of a porcelain white PET double-sided adhesive tape with long-lasting adhesion is only different in that in S1, the amount of terpene phenolic resin is 5 parts.

Embodiment 3

[0025] Compared with Example 1, the preparation of a porcelain white PET double-sided adhesive tape with long-lasting adhesion is only different in that in S1, the amount of terpene phenolic resin is 8 parts.

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Abstract

The invention discloses a porcelain white PET double-sided adhesive tape with lasting viscous force, and relates to the technical field of double-sided adhesive tapes. The double-sided adhesive tape comprises a porcelain white PET film, acrylic acid adhesive layers arranged on the two sides of the porcelain white PET film, and release films attached to the acrylic acid adhesive layers. The acrylic acid adhesive layers are prepared from the following raw materials in parts by weight: 100 parts of an acrylic acid adhesive, 0.3-0.6 parts of a curing agent, 3-8 parts of terpene-phenolic resin and 40-60 parts of a solvent. According to the invention, the porcelain white PET is adopted to replace the traditional transparent PET base material, and a certain proportion of terpene-phenolic resin is added into the acrylic acid adhesive, so that the viscosity stability of the double-sided adhesive tape is improved, and the obtained product has good shading performance, good viscosity, durability and stability.

Description

technical field [0001] The invention relates to the technical field of double-sided adhesive tapes, in particular to a porcelain white PET double-sided adhesive tape with long-lasting adhesion. Background technique [0002] Most of the existing PET double-sided tapes are double-sided adhesives with transparent substrates, but for some specific fields, it is required that the double-sided adhesives can block light, the viscosity should reach between 2000-2500, and the viscosity should be stable for at least 6 months above. The traditional PET double-sided tape can not play the role of shading, and the second is that the viscosity can meet the requirements in the early stage, but the viscosity will decrease a lot after a long time. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a porcelain white PET double-sided adhesive tape with long-lasting adhesion, which uses porcelain white PET i...

Claims

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Application Information

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IPC IPC(8): C09J7/25C09J7/30C09J133/04C09J11/08
CPCC09J7/255C09J7/30C09J133/04C09J11/08C09J2467/006C09J2433/00C08L45/00
Inventor 芮思杰钟永旺贺平
Owner 安徽格林开思茂光电科技股份有限公司
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