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Heat-sensitive conductive composite material as well as preparation method and application thereof

A conductive composite material, heat-sensitive technology, applied in the direction of film/sheet-shaped adhesives, adhesives, etc., can solve problems such as fire, short circuit, and inability to cut off conductive connections, and achieve improved processability, good conformability, and preparation methods simple and easy effects

Pending Publication Date: 2021-09-03
JIANGSU KEMAITE TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, although conductive materials can conduct current and discharge accumulated static charges, they cannot cut off the conductive connection by themselves when the circuit is overloaded or at high temperature, and it is very likely that a short circuit will occur, resulting in a fire

Method used

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  • Heat-sensitive conductive composite material as well as preparation method and application thereof
  • Heat-sensitive conductive composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] 1) Material preparation, cut the hot-melt adhesive film with a melting point of 65°C into a size of 200mmx100mm, cut the hot-melt aluminum foil Mylar with a softening point of the hot-melt layer of 70°C into a size of 200mmx60mm, and cut the groove width of the Al layer into 0.03mm non-continuous aluminum foil Mylar is cut into 200mmx200mm size respectively for use;

[0051] 2) Stacking, the hot-melt adhesive film, hot-melt aluminum foil Mylar, and discontinuous aluminum foil Mylar are stacked together in order from top to bottom, and the hot-melt aluminum foil Mylar covers the Al on the discontinuous aluminum foil Mylar above the trench. Wherein, a part of the hot-melt adhesive film is placed on the hot-melt adhesive layer of the hot-melt aluminum foil Mylar, and the two ends are respectively extended and stacked on the AL layer of the non-continuous aluminum foil Mylar;

[0052] 3) heat sealing, heat-sealing the laminated material obtained in step 2) under the condit...

Embodiment 2

[0054] 1) Material preparation, cut the hot-melt adhesive film with a melting point of 65°C into a size of 200mmx100mm, cut the hot-melt aluminum foil Mylar with a softening point of the hot-melt layer of 70°C into a size of 200mmx60mm, and cut the groove width of the Al layer into 10mm non-continuous aluminum foil Mylar is cut into 200mmx200mm size respectively for use;

[0055] 2) Stacking, the hot-melt adhesive film, hot-melt aluminum foil Mylar, and discontinuous aluminum foil Mylar are stacked together in order from top to bottom, and the hot-melt aluminum foil Mylar covers the Al on the discontinuous aluminum foil Mylar above the trench. Wherein, a part of the hot-melt adhesive film is placed on the hot-melt adhesive layer of the hot-melt aluminum foil Mylar, and the two ends are respectively extended and stacked on the Al layer of the non-continuous aluminum foil Mylar;

[0056] 3) heat sealing, heat-sealing the laminated material obtained in step 2) under the conditio...

Embodiment 3

[0058] 1) Material preparation, cut the hot-melt adhesive film with a melting point of 65°C into a size of 200mmx100mm, cut the hot-melt aluminum foil Mylar with a softening point of the hot-melt layer of 70°C into a size of 200mmx60mm, and cut the groove width of the Al layer into 0.03mm non-continuous aluminum foil Mylar is cut into 200mmx200mm size respectively for use;

[0059] 2) Stacking, the hot-melt adhesive film, hot-melt aluminum foil Mylar, and discontinuous aluminum foil Mylar are stacked together in order from top to bottom, and the hot-melt aluminum foil Mylar covers the Al on the discontinuous aluminum foil Mylar above the trench. Wherein, a part of the hot-melt adhesive film is placed on the hot-melt adhesive layer of the hot-melt aluminum foil Mylar, and the two ends are respectively extended and stacked on the Al layer of the non-continuous aluminum foil Mylar;

[0060] 3) heat sealing, heat sealing the laminated material obtained in step 2) under the condit...

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Abstract

The invention provides a heat-sensitive conductive composite material as well as a preparation method and application thereof. The heat-sensitive conductive composite material comprises a hot melt adhesive film, a hot melt aluminum foil mylar and a discontinuous aluminum foil mylar, wherein the non-continuous aluminum foil mylar comprises an Al layer and a PET film layer, the Al layer comprises a plurality of non-continuously arranged aluminum foil units, and a groove is formed between every two adjacent aluminum foil units; the hot melting aluminum foil mylar is covered above the groove; the hot melt adhesive film is bonded above the hot melt aluminum foil mylar, and two ends of the hot melt adhesive film respectively extend and are bonded on the Al layer of the discontinuous aluminum foil mylar. The heat-sensitive conductive composite material disclosed by the invention has conductivity and is sensitive to heat. The hot melt adhesive film is melted and broken within 45-52 seconds at 65 DEG C, so that the hot melt aluminum foil mylar is separated from the non-continuous aluminum foil mylar, and self-cut-off conductive connection is realized; in this way, fire disasters caused by continuous conductive short circuits in overload or high temperature situations are avoided.

Description

technical field [0001] The invention belongs to the technical field of conductive composite materials, and relates to a conductive composite material and its preparation method and application, in particular to a heat-sensitive conductive composite material and its preparation method and application. Background technique [0002] Conductive materials have the function of conducting current and eliminating accumulated static charges, and at the same time, they are convenient in application and construction, wide in application range, and simple in production equipment. They have very broad application prospects in many fields such as electronic appliances, communications, automobiles, aerospace, and construction. Favored by the industry. [0003] With the continuous advancement of social science and technology, the requirements for conductive materials are getting higher and higher. Generally, although conductive materials can conduct current and discharge accumulated static...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/29
CPCC09J7/29C09J2400/163C09J2467/006
Inventor 谢磊钱鹏菲虞家桢
Owner JIANGSU KEMAITE TECH DEV CO LTD
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