Epoxy, polysulfide and cyanoacrylate composites utilizing activatable amino-polyamide curatives
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United States of America Patent
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Aug 29, 2000
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N/A
app pub date -
Jan 21, 1994
filing date -
Jan 21, 1994
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Abstract
The present invention relates to cured compositions useful as adhesives and sealants formed by dispersing an amine-terminated polyamide curative into a base to form a composite and activating the composite forming the cured composition. Bases described include epoxies, polysulfides and cyanoacrylates. Curing mechanisms include heat and pressure activation. The amine-terminated polyamide curative has a ratio of equivalents of amine to acid groups of from about 1.05:1.00 equivalents NH.sub.X :COOH to no greater than about 1.95:1.00 when x is 1 or 2.
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