TWO-COMPONENT ADHESIVE
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United States of America Patent
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Issued Date -
Oct 5, 2023
app pub date -
Jul 30, 2021
filing date -
Jul 30, 2021
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Abstract
A two-component adhesive includes agent A containing an epoxy resin and agent B containing a polymer having a crosslinkable silicon group and an epoxy resin curing agent, wherein agent A and/or agent B contain(s) a core-shell rubber particle, and a condensation catalyst for the crosslinkable silicon group. Another adhesive contains an epoxy resin, a core-shell rubber particle, a polymer having a crosslinkable silicon group, an epoxy resin curing agent, and a condensation catalyst for the crosslinkable silicon group, wherein a cured product of the adhesive has a breaking strength (tensile strength at rupture) of 5 MPa or more and an elongation at break (elongation at rupture) of 30% or more, and has storage elastic moduli at 1 Hz in tensile mode of 100 to 1000 MPa at 20° C. and 50 to 1000 MPa at 80° C.
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