Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1988-09-09
1990-07-17
McCamish, Marion C.
Stock material or miscellaneous articles
Composite
Of polyamidoester
4284247, 4284239, 4284735, 525126, 528 73, B32B 2740, C08F 830, C08G 1828
Patent
active
049420933
ABSTRACT:
A thermosetting adhesive comprising a bismaleimide compound and an isocyanate-terminated rubber polymer adapted to coreact upon heating is applied to substrate surfaces of a cured polyurethane and an uncured rubber compound. Upon heating, the adhesive crosslinks and the uncured rubber compound is preferably cured simultaneously. The adhesive is particularly useful in the fabrication of compositions by the bonding of cured polyurethane to an uncured rubber compound which becomes cured during the bonding process, such as in the construction of tires containing cured polyurethane reinforcements within uncured rubber carcasses, the retreading of tires containing polyurethane repairs, etc.
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Bridgestone/Firestone Inc.
Cole Elizabeth M.
Hall Daniel N.
McCamish Marion C.
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