Hot melt adhesives for electrical devices

A technology of hot-melt adhesives and electrical devices, applied in the direction of adhesive types, grafted polymer adhesives, adhesives, etc., can solve problems such as difficult high-level requirements, and achieve excellent adhesion, adhesion Excellent adhesion and improved adhesion

Active Publication Date: 2017-11-07
HENKEL KGAA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is apparent from the examples of this document that although the electrolyte resistance is improved to some extent (see Patent Document 3, paragraphs [0062] and [0065]), it is difficult to say that the electrolyte resistance is sufficient to satisfy High level requirements of recent users
[0016] In addition, studies on adhesion have not been conducted with polyimide films having excellent electrolyte resistance (solvent resistance), which have been used more often than before in recent years
From this point, it cannot be said that the adhesives of Patent Documents 1 to 3 have sufficient performance

Method used

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  • Hot melt adhesives for electrical devices
  • Hot melt adhesives for electrical devices
  • Hot melt adhesives for electrical devices

Examples

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Embodiment

[0098] The present invention will be described in detail through examples and comparative examples, but these examples are for illustrative purposes only and are not intended to be construed restrictively.

[0099] The components used to prepare the hot melt adhesive for electrical devices are shown below.

[0100] (A) Olefin modified polymer

[0101] (A1) Silane-modified amorphous poly-α-olefin (ethylene-propylene-butene copolymer) (glass transition temperature: -29°C, softening point: 100°C, melt viscosity at 190°C: 12,000 mPa·s, VESTOPLAST EP2412 (trade name) manufactured by Evonik Degussa Corporation)

[0102] (A2) Silane-modified polyisobutylene (melt viscosity at 190° C.: 170 mPa·s, EPION EP100S (trade name) manufactured by Kaneka Corporation)

[0103] (A'3) Ethylene-vinyl acetate copolymer (vinyl acetate content: 28% by weight, melt viscosity at 190°C: 23,000 mPa·s, ULTRASEN722 (trade name) manufactured by TOSOH CORPORATION)

[0104] (A'4) Copolymer of ethylene with ...

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Abstract

The present invention provides a hot-melt adhesive having excellent solvent resistance and excellent adhesion to an adherend (in particular, a polyimide film) containing a battery electrolyte solution therein, and which can Contributes to the improvement of the performance of the electric device; the present invention also provides an electric device prepared by using the hot-melt adhesive. The hot-melt adhesive for electrical devices comprises an olefin-based modified polymer (A), wherein the olefin-based modified polymer (A) is a modified polymer with a silicon-containing functional group; The hot melt adhesive of the device has excellent resistance to the electrolyte of the battery (i.e., electrolyte or solvent resistance), and also has improved hot melt adhesive resistance to the battery containing the electrolyte therein. Adhesion of stickies (plastic films such as polyimide films).

Description

[0001] related application [0002] This application claims priority under Article 4 of the Paris Convention from Japanese Patent Application No. 2012-103440 filed in Japan on April 27, 2012, the entire disclosure of which is incorporated herein by reference. technical field [0003] The present invention relates to hot melt adhesives for electric instruments. As used herein, "electrical device" means a device that converts another type of energy into electrical energy (electricity), a device that converts electrical energy into another type of energy, and a device that stores electrical energy in the form of electrical energy or another form of energy s installation. Specific examples of electric devices include chemical batteries, such as alkaline dry batteries and lithium ion batteries; and physical batteries, such as solar batteries and capacitors. Background technique [0004] Electrical devices are used in various forms such as primary cells, batteries and capacitors...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J151/06H01M2/08H01M50/193
CPCC09J151/06C09J2203/33C08K5/01C08L23/0815C08L23/10C08L91/06C09J123/26Y02E60/10H01M50/193C09J123/12C09J153/00H01M50/183H01M50/198
Inventor 东松逸朗松田健二高森爱
Owner HENKEL KGAA
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