Electric insulating tape
A technology of electrical insulation and tape, applied in the direction of adhesives, film/sheet adhesives, etc., can solve the problems of poor weather resistance and aging resistance of PVC, affect energy consumption or signal, and increase resistance, etc., to achieve good electrical insulation, The effect of high weather resistance
Active Publication Date: 2010-12-22
科建高分子材料(上海)股份有限公司
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Problems solved by technology
The disadvantage is that PVC has poor weather resistance and aging resistance, and the pressure-sensitive adhesive coated on PVC will dry after a long time, especially after touching water, some will seep
When water seeps into the cable or optical cable joint, the resistance will increase, affecting power consumption or signal
Method used
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Examples
Experimental program
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Effect test
Embodiment 1
[0012] 12 parts of butyl rubber, 17 parts of polyisobutylene, 25 parts of nano-calcium carbonate, 26 parts of superfine talc, 0.5 part of stearic acid, 0.8 part of tackifying resin, 1 part of carbon black, and 1 part of plasticizer.
Embodiment 2
[0014] 18 parts of butyl rubber, 25 parts of polyisobutylene, 33 parts of nano-calcium carbonate, 34 parts of superfine talc, 1.2 parts of stearic acid, 1.5 parts of tackifying resin, 2 parts of carbon black, and 2 parts of plasticizer.
Embodiment 3
[0016] 15 parts of butyl rubber, 28 parts of polyisobutylene, 29 parts of nano-calcium carbonate, 30 parts of superfine talcum powder, 0.8 part of stearic acid, 1.2 parts of tackifying resin, 1.5 parts of carbon black, and 1.5 parts of plasticizer.
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The invention discloses an electric insulating tape which is characterized by comprising the following components in parts by weight: 12-18 parts of butyl rubber, 17-25 parts of polyisobutene, 25-33 parts of nano calcium carbonate, 26-34 parts of superfine talcum powder, 0.5-1.2 parts of stearic acid, 0.8-1.5 parts of tackifying resin, 1.0-2.0 parts of carbon black and 1.0-2.0 parts of plasticiser. The electric insulating tape has great well weather resistance, high temperature resistance and insulativity when used for a cable connector, thereby enabling the cable and the optical cable to have no energy consumption and signal loss.
Description
technical field [0001] The invention relates to the technical field of tapes, in particular to an electrical insulating tape. Background technique [0002] With the rapid development of the economy, my country's communication industry is also developing from analog communication to digital communication, from 2G to 3G. The cables used for communication are also being continuously improved. In order to improve the communication quality, the requirements for the insulation and water resistance of the cables are also getting higher and higher. Due to the strong pertinence of modern scientific and technological communications, the layout design of some communication system cables needs to go through a long distance, and even the entire city, regardless of elevated, underground or surface, must maintain the excellent signal of the communication system for a long time. The cable joint is also called the cable head. After the cable is laid, in order to make it a continuous line, ...
Claims
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IPC IPC(8): C09J7/02C09J123/20C09J123/22C09J9/00
Inventor 吴海涛
Owner 科建高分子材料(上海)股份有限公司