Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1974-10-10
1976-01-06
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
260 25BE, 156273, 156306, 428425, B32B 326
Patent
active
039314502
ABSTRACT:
Composites based on polyurethane foams heat sealed to a substrate are prepared from polyurethane foams employing a graft polyol as a component of the foam-forming reaction mixture. The resulting composites possess exceptional bonding strength.
REFERENCES:
patent: 3205120 (1965-09-01), Flanders
patent: 3497416 (1970-02-01), Critchfield
patent: 3729370 (1973-04-01), Cobbledick
patent: 3850861 (1974-11-01), Fabris et al.
Demou John G.
Patton, Jr. John T.
Pizzini Louis C.
Ramlow Gerhard G.
BASF Wyandotte Corporation
Dunn Robert E.
Michaels Joseph D.
Swick Bernhard R.
Van Balen William J.
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