Bonding members with epoxy composition containing chain extender, toughener and catalyst
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United States of America Patent
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Oct 5, 2004
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app pub date -
Sep 16, 2002
filing date -
Oct 13, 1998
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Abstract
A method of assembling a structure comprises applying an epoxy composition to at least one of a first member and a second member, sandwiching the epoxy composition between the first and second members, and bonding the two members wherein the adhesive bond is a thermally cured mass. The epoxy composition contains an epoxy resin, a phenolic or amine compound as a chain extender, a basic catalyst and a polymeric toughener. The composition can be formulated in two parts wherein part A contains the catalyst and part B has the epoxy resin.
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