Thermocurable electroconductive adhesive
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United States of America Patent
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Apr 23, 2019
Grant Date -
Mar 22, 2018
app pub date -
Feb 29, 2016
filing date -
Mar 2, 2015
priority date (Note) -
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Abstract
Conventional electroconductive adhesives had difficulty to have simultaneously storage stability and low temperature curability, and to have at the same time exhibition of adhesion strength and electric conductivity for poorly-adhesive metal adherends such as gold and nickel. The present invention accordingly provides an isotropic electroconductive adhesive that has low temperature curability in an atmosphere of 80 to 130° C. A thermocurable electroconductive adhesive containing component (A) to component (E) such that the component (E) is contained at 100 parts by mass or more and 1000 parts by mass or less relative to 100 parts by mass of the total of the component (A) and component (B); component (A): a urethane modified oligomer having a (meth)acrylic group component (B): a monomer having one (meth)acrylic group in the molecule component (C): an organic peroxide having specific structure component (D): a phosphoric acid ester compound component (E): electroconductive particles that are surface-treated with stearic acid.
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