Epoxy-amine compositions employing unsaturated imides
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United States of America Patent
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Dec 12, 1989
Issued Date -
N/A
app pub date -
Jan 6, 1989
filing date -
Mar 4, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention comprises a radiation immobilizable epoxy formulation which displays improved initial and thermal cycle strengths when bonding different materials such as terephthalate polyesters and aluminum. The composition comprises: (1) a compound or mixture of compounds having a plurality of epoxy groups per molecule; (2) a polyoxyalkylene amine curative for the epoxy; (3) an imide compound selected from those having the formulas; and ##STR1## (4) a photocurable ethylenically unsaturated compound and photoinitiator, said ethylenically unsaturated compound and photoinitiator present in amounts which together are effective to cause the composition to become immobilized when irradiated with actinic radiation.
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