Conductive adhesive tape with high-temperature automatic circuit breaking function

Abstract

The invention discloses a conductive adhesive tape with a high-temperature automatic circuit breaking function. The conductive adhesive tape comprises a base layer and an adhesive layer coated on thesurface of one side of the base layer, wherein the base layer adopts a conductive base material; the adhesive layer adopts a pressure-sensitive adhesive containing conductive particles and expanded microspheres; and the expanded microsphere is composed of a thermoplastic polymer shell and liquid alkane gas sealed in the thermoplastic polymer shell. According to the conductive adhesive tape, a circuit can be automatically disconnected when the conductive adhesive tape is heated at high temperature, fire disasters caused by overheating are prevented, and then the safety of electronic componentsis guaranteed.

Description

technical field [0001] The invention relates to the field of conductive tapes, in particular to a conductive tape with a high-temperature automatic circuit breaker function. Background technique [0002] As a new type of conductive material, conductive tape has many applications in the fields of photovoltaics and electronics. Conductive tape is usually made by coating a conductive pressure-sensitive adhesive on a conductive substrate. The conductive substrate can be copper foil, aluminum foil, conductive cloth, etc. The conductive tape can be pressed and bonded to any metal substrate to realize the circuit conduction. However, during the use of the conductive tape, due to the current passing through, there is often a phenomenon of heating, which is likely to cause safety hazards. Contents of the invention [0003] Aiming at the problem that the heat generated during the conduction process of the conductive tape is likely to cause potential safety hazards, the present inv...

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Problems solved by technology

[0003] Aiming at the problem that the heat generated during the conduction process of the conductive tape is likely to cause potential safety hazards, the present invention provides a conductive tape with a high-temperature automatic circuit breaker function, which will automatically disconnect the circuit when heated at high temperature to prevent fire caused by overheating, thereby ensuring the safety of electronic components

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