CONDUCTIVE ADHESIVE, CONDUCTIVE ADHESIVE SHEET AND ELECTROMAGNETIC WAVE SHIELDING SHEET

• Main Authors: MATSUZAWA TAKAHIRO, KOBAYASHI HIDENORI, INOUE SHOTA, HAYASAKA TSUTOMU
• Format: Patent
• Language: English; Japanese
• Published: 20.10.2016
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; BASIC ELECTRIC ELEMENTS; CABLES; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMISTRY; CONDUCTORS; DYES; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INSULATORS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; POLISHES; PRINTED CIRCUITS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; USE OF MATERIALS AS ADHESIVES

PROBLEM TO BE SOLVED: To provide a conductive adhesive which can form a conductive adhesive sheet having high adhesiveness on a plated surface and high heat resistance and also having excellent connection reliability, and provide a conductive adhesive sheet and an electromagnetic wave shielding sheet.SOLUTION: An conductive adhesive comprises a thermosetting resin, a curing agent, conductive fine particles, and heterocyclic amine, where the heterocyclic amine has a 5 membered or 6 membered heterocycle, and the curing agent has at least one curing agent (X) selected from the group consisting of isocyanate compound, aziridine compound, and metal chelate compound.SELECTED DRAWING: Figure 1 【課題】本発明は、メッキ面に対する高い接着性と高度な耐熱性を有し、接続信頼性に優れた導電性接着シートを形成できる導電性接着剤、導電接着シートおよび電磁波シールドシートの提供を目的とする。【解決手段】熱硬化性樹脂と、硬化剤と、導電性微粒子と、複素環アミンとを含み、 前記複素環アミンが、５員環または６員環の複素環を有し、前記硬化剤が、イソシアネート化合物、アジリジン化合物、および金属キレート化合物からなる群より選ばれる少なくとも１つの硬化剤（Ｘ）を含有する、導電性接着剤により解決される。【選択図】図１