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Silicone rubber self-adhesive tape and preparation method thereof

A self-adhesive tape, silicone rubber technology, applied in the direction of adhesives, polymer adhesive additives, film/flake adhesives, etc. The effect of hardness and easy processing

Inactive Publication Date: 2021-03-16
CHANGLAN CABLE ACCESSORIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, the present invention provides a kind of silicone rubber self-adhesive tape, to solve the problem that the preparation process of the silicone rubber self-adhesive tape on the market is relatively complicated and the production cost is high

Method used

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  • Silicone rubber self-adhesive tape and preparation method thereof
  • Silicone rubber self-adhesive tape and preparation method thereof
  • Silicone rubber self-adhesive tape and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] This example provides a method for preparing a silicone rubber self-adhesive tape, including the following steps:

[0045] S1: adding 107 silica gel, part of the boron-based tackifier and structure control agent into the kneader according to the proportion and kneading to obtain the first rubber compound;

[0046] S2: mixing silica gel, filler and remaining boron-based tackifier according to the ratio for the first mixing;

[0047] S3: Add the spare rubber material obtained in step S1 to the rubber material in step S2, and perform the second mixing to obtain the second rubber material;

[0048] S4: Extrude after mixing the vulcanizing agent and the second rubber compound obtained in step S3 according to the proportion, to obtain the third rubber compound;

[0049] S5: vulcanize the third rubber material obtained in step S4, extrude it, and wind it up to obtain the silicone rubber self-adhesive tape.

[0050] In step S1, the kneading temperature is 70-130° C., and the ...

Embodiment 2

[0056] This example adopts the preparation method of Example 1 to prepare a silicone rubber self-adhesive tape, and the preparation raw materials contain:

[0057] 50° mixing silica gel: 100 parts, 107 (600,000 molecular weight) silica gel: 100 parts, borate ester: 10 parts, filler: 50 parts, structure control agent: 4 parts, vulcanizing agent: 1.5 parts.

[0058] Wherein, the filler is fumed white carbon black. The structure control agent is methyl phenyl methoxy silicone oil. The vulcanizing agent is double two four.

Embodiment 3

[0060] This example adopts the preparation method of Example 1 to prepare a silicone rubber self-adhesive tape, and the preparation raw materials contain:

[0061] 50° mixing silica gel: 100 parts, 107 (600,000 molecular weight) silica gel: 100 parts, boric acid: 10 parts, filler: 50 parts, structure control agent: 4 parts, vulcanizing agent: 1.5 parts.

[0062] Wherein, the filler is fumed white carbon black. The structure control agent is methyl phenyl methoxy silicone oil. The vulcanizing agent is double two four.

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Abstract

The invention provides a silicone rubber self-adhesive tape and a preparation method thereof. The invention aims to solve the problems of complex preparation process and high production cost of a silicone rubber self-adhesive tape on the market at present. The silicone rubber self-adhesive tape of the invention is prepared from mixed silica gel, 107 silica gel, a boron tackifier, a filler, a structure control agent and a vulcanizing agent. The silicone rubber self-adhesive tape has the advantages of favorable high / low temperature resistance, proper hardness, favorable mechanical properties, favorable elasticity and favorable holding force in use, and is convenient to process and suitable for insulation coating of high-voltage cables, switch cabinets, buses and busbars, insulation protection of electric appliances, coating of fireproof cables, and protection and binding in severe environments such as industry and mining, chemical engineering and the like.

Description

technical field [0001] The invention belongs to the technical field of insulating materials, and in particular relates to a silicone rubber self-adhesive tape and a preparation method thereof. Background technique [0002] Cable fires have the characteristics of rapid spread, difficulty in extinguishing, easy to cause secondary hazards, and long recovery time. Cable fire protection is an important means to reduce cable fire and delay. The key to cable fire prevention is to focus on prevention. Therefore, various fire-resistant cables and fire-resistant cables have been widely used. [0003] In the process of manufacturing, storing, transporting, and installing various fire-resistant cables and fire-resistant cables, the insulation of the cable core is likely to be scratched due to the influence of external forces; Remove the insulation of the wire core; after the insulation is scratched and stripped, it will lose its insulation performance and cannot continue to maintain it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J183/04C09J11/04C09J11/06C09J11/08C09J7/30
CPCC09J183/04C09J11/04C09J11/06C09J11/08C09J7/30C09J2203/302C08L2201/08C08L2201/02C08L2205/025C08L2205/035C08L2203/20C08L83/04C08K5/55C08K7/26C08K3/38
Inventor 李凯军肖波浪刘志
Owner CHANGLAN CABLE ACCESSORIES
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