Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1987-07-23
1990-09-04
Gallagher, John J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1563073, 4284231, 4284258, 528 85, C09J 314
Patent
active
049541994
ABSTRACT:
The present invention is related to a structural member comprising a laminate and an adhesive where said adhesive is the reaction product of (a) 100 parts by weight of at least one hydroxy functional material having a molecular weight of at least 300 and a hydroxy functionality of at least 2 which material is preferably selected from the group consisting of polyether polyols, polyester polyols, polyester amide polyols, and polycarbonate polyols, (b) 0.2 to 20 parts by weight of an aliphatic, aromatic and/or a cycloaliphatic diamine or triamine, and (c) an organic isocyanate in an amount sufficient to render the isocyanate index between about 70 and about 150, wherein said component (c) is not prereacted with any of the components (a) and (b). In a preferred embodiment, there is included up to 50 parts by weight of component (d) which is an aliphatic polyol having a functionality of at least 2 and a molecular weight of below 300. Also in the preferred embodiment, component (c) is not prereacted with any of (a), (b) and (d).
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Bayer-Polyurethanes, Edition 1-79, pp. 47-48 and FIG. 32.
Dormish Jeffrey F.
Rains Randall C.
Rieck James N.
Stanton Susan A.
Gallagher John J.
Gil Joseph C.
Mobay Corporation
Preis Aron
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