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High-temperature-resistence viscosity-reducing adhesive tape and preparation method thereof

A kind of adhesive tape and high temperature technology, which is applied in the field of high temperature adhesive tape and its preparation, can solve the problems of residual adhesive risk and other problems, and achieve the effects of reducing the risk of residual adhesive, cost advantages, and reduced peeling force

Active Publication Date: 2019-01-25
YANTAI DARBOND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In addition, the peeling force of traditional high-temperature tapes tends to increase after high-temperature use, and there is a risk of adhesive residue during peeling. If the high-temperature detackification technology can be used to reduce the peeling force of the tape after high temperature, it will make the tape easier to peel and reduce the residue. Glue risk, improve production efficiency

Method used

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  • High-temperature-resistence viscosity-reducing adhesive tape and preparation method thereof
  • High-temperature-resistence viscosity-reducing adhesive tape and preparation method thereof

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Embodiment Construction

[0030] The principles and features of the present invention are described below in conjunction with examples, which are only used to explain the present invention and are not intended to limit the scope of the present invention.

[0031] The raw materials used in the high-temperature viscosity-reducing polyacrylate pressure-sensitive adhesives of Examples 1 to 4 are shown in Table 1:

[0032] Table 1: Types of raw materials used in the high-temperature tack-reducing polyacrylate pressure-sensitive adhesives of Examples 1-4

[0033]

[0034] The preparation method of the high temperature adhesive tape of embodiment 1~4 is as follows:

[0035] 1) Put 40 parts of isooctyl acrylate, 5 parts of acrylic acid, 1 part of hydroxyethyl methacrylate, 0.2 parts of azobisisobutyronitrile and 60 parts of ethyl acetate into the reaction kettle, under the condition of nitrogen gas, 65-68 ℃ for 3 hours, 70~73℃ for 1 hour, 75~78℃ for 4 hours, and the system was cooled down to room temperatu...

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Abstract

The invention relates to a high-temperature-resistence viscosity-reducing adhesive tape. The high-temperature-resistence viscosity-reducing adhesive tape comprises a base material membrane and high-temperature-resistence viscosity-reducing polyacrylate pressure sensitive adhesive smeared on the base material membrane; and the high-temperature-resistence viscosity-reducing adhesive tape is preparedfrom 100 parts of polyacrylate, 10 to 15 parts of multi-functional acrylate, 0.3 part of cross-linking agent and 0.1 part of initiator; and the multi-functional acrylate is any one of pentaerythritoltriacrylate or pentaerythritol tetraacrylate. The base material membrane is any one of a PET membrane or PI membrane. The polyacrylate comprising the high-temperature-resistence cross-linked functional group in the high-temperature-resistence viscosity-reducing adhesive tape is further cross-linked with the multi-functional acrylate at a high temperature, so that the stripping force is greatly reduced, and the high-temperature prepared adhesive tape is easier to strip; and the high-temperature-resistence viscosity-reducing adhesive tape disclosed by the invention is heated and used for 20 to30 minutes at 120 to 160 DEG C, the stripping force is apparently reduced, the adhesive tape is easier to strip, the adhesive residue risk is reduced, and the production efficiency is improved.

Description

technical field [0001] The invention relates to a high-temperature viscosity-reducing adhesive tape and a preparation method thereof, which are suitable for high-temperature temporary protection in plastic and metal processing processes, and belong to the technical field of adhesives. Background technique [0002] High-temperature tape is mainly used for temporary protection in the manufacturing process of the electronics industry. The temperature resistance is usually between 120 degrees and 260 degrees. Handle shadowing. [0003] High temperature tape mainly includes battery protection tape, gold finger, green tape, etc. Most of them are made by coating high temperature resistant silicone pressure sensitive adhesive on PI or PET plastic film. High temperature tape also includes Teflon high temperature tape, high temperature Masking tape, etc. In the past, most high-temperature adhesive tapes were coated with silicone pressure-sensitive adhesives on the base material. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/25C09J7/38C09J7/40C09J4/02C09J4/06
CPCC09J4/06C09J7/25C09J7/38C09J7/405C09J2301/122C09J2301/30C09J2301/302
Inventor 祝怀瑞王建斌陈田安解海华
Owner YANTAI DARBOND TECH
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