Adhesive tape coating liquid composition, adhesive tape coating liquid, adhesive tape and preparation method of adhesive tape

The technology of a composition and coating liquid is applied in the field of tape coating liquid, tape and its preparation, tape coating liquid composition and preparation field, and can solve the problems of LCP destruction, residual glue, disappearance of antistatic effect of tape, etc., To achieve good high temperature resistance, good antistatic effect, high efficiency antistatic effect

Pending Publication Date: 2022-04-29
CROWN TAICANG ADHESIVE PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are some problems in the use of this kind of high-temperature-resistant tape currently used in the market: after the tape is pasted to LCP at a high temperature of 260 ° C, there will be residual glue; and after the high-temperature process, the antistatic effect of the tape itself disappears. The static electricity generated during the tearing process has a destructive effect on the LCP

Method used

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  • Adhesive tape coating liquid composition, adhesive tape coating liquid, adhesive tape and preparation method of adhesive tape
  • Adhesive tape coating liquid composition, adhesive tape coating liquid, adhesive tape and preparation method of adhesive tape

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0085] Preparation example 1 prepares polyacrylic acid resin

[0086] (1) Prepare raw materials

[0087] Soft monomer: butyl acrylate, 80 parts by weight;

[0088]Hard monomer: vinyl acetate, 2 parts by weight; Methyl acrylate, 4 parts by weight; Methyl methacrylate, 6 parts by weight;

[0089] Cross-linking monomer: acrylic acid, 8 parts by weight;

[0090] Initiator: azobisisobutyronitrile, 0.4 parts by weight;

[0091] Solvent: ethyl acetate, 130 parts by weight.

[0092] (2) Add the soft monomer, hard monomer and cross-linking monomer in step (1) into the reaction kettle according to the formula, and pass in an inert gas, and heat to 60 ° C for 1 hour; first add 0.2 parts by weight of the initiator First react at 65° C. for 4 hours, then add 0.2 parts by weight of an initiator and react for another 4 hours, and finally add a solvent to obtain a polyacrylic acid resin with a solid content of 30%.

preparation example 2

[0093] Preparation example 2 prepares polyacrylic acid resin

[0094] Carry out with reference to the method of Preparation Example 1, the difference is that the contents of the three monomers are changed. Wherein, soft monomer, 90 parts by weight; Hard monomer, 5 parts by weight; Cross-linking monomer, 5 parts by weight; Keep the type of monomer and the internal ratio constant (for example, the ratio of three components in the hard monomer is different. change, only the total amount is changed).

preparation example 3

[0095] Preparation example 3 prepares polyacrylic acid resin

[0096] (1) Prepare raw materials

[0097] Soft monomer: butyl acrylate, 70 parts by weight;

[0098] Hard monomer: vinyl acetate, 3 parts by weight; Methyl acrylate, 4 parts by weight; Methyl methacrylate, 10 parts by weight;

[0099] Cross-linking monomer: acrylic acid, 13 parts by weight;

[0100] Initiator: azobisisobutyronitrile, 0.4 parts by weight;

[0101] Solvent: ethyl acetate, 130 parts by weight.

[0102] (2) Add the soft monomer, hard monomer and cross-linking monomer in step (1) into the reaction kettle according to the formula, and pass in an inert gas, and heat to 60 ° C for 1 hour; first add 0.2 parts by weight of the initiator First react at 65° C. for 4 hours, then add 0.2 parts by weight of an initiator and react for another 4 hours, and finally add a solvent to obtain a polyacrylic acid resin with a solid content of 27%.

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Abstract

The invention provides an adhesive tape coating liquid composition, an adhesive tape coating liquid, an adhesive tape and a preparation method thereof. The composition comprises polyacrylic resin, an antistatic agent and an antioxidant, comonomers of the polyacrylic resin comprise a soft monomer, a hard monomer and a cross-linking monomer; wherein on the basis of the total weight of the polyacrylic resin, the content of the soft monomer is 50-90 wt%, the content of the hard monomer is 5-25 wt%, and the content of the crosslinking monomer is 5-25 wt%. The adhesive tape containing the adhesive tape coating liquid composition is stable in viscosity and free of deformation after being attached to LCP at the high temperature of 260 DEG C, the antistatic effect is kept all the time, no adhesive residue exists in the normal testing process, and the electrostatic property of a product is not affected after the high-temperature manufacturing procedure.

Description

technical field [0001] The present invention relates to the technical field of adhesives, in particular to a tape coating liquid composition and a preparation method thereof, a tape coating liquid obtained from the tape coating liquid composition, an adhesive tape containing the tape coating liquid and a preparation method thereof . Background technique [0002] In today's era, with the start of 5G commercialization, the amount of information processed by communication has begun to double. Antennas are an indispensable component to achieve this leapfrog improvement. How to achieve lower loss, smaller size, better thermal conductivity, and more integration at high frequencies has become a major challenge for 5G antenna materials. LCP (Liquid Crystal Polymer, liquid crystal polymer) and MPI ((Modified Polyimide, modified polyimide) materials are expected to stand out in the future 5G era due to their small loss factor. The replacement of LCP flexible boards for antenna transm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/02C09J4/06C09J9/02C09J7/30C09J7/29C09D5/24C09D165/00C09D125/18C09D183/07C09D183/04C09D183/05
CPCC09J4/06C09J9/02C09J7/30C09J7/29C09J7/50C09D5/24C09D165/00C09D125/18C09D183/04C09J2301/122C09J2301/16C09J2301/408C09J2301/314C09J2479/086C09J2467/006C08L83/04C08L25/18
Inventor 管艳艳贺海涛向岳美麦启波陆玲玲
Owner CROWN TAICANG ADHESIVE PROD CO LTD
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