C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/42 (2006.01) C08G 18/09 (2006.01) B29C 67/22 (1990.01)
Patent
CA 2071030
ABSTRACT Thermoformable polyisocyanurate foams are prepared by reacting together under foam forming conditions an organic polyisocyanate and an isocyanate-reactive compound, especially an aromatic polyester polyol, the equivalent ratio of isocya- nate groups to isocyanate reactive groups being at least about 1.2:1. The foams and faced composites thereof can be thermo- formed for a wide range of uses, such as in the interior of motor vehicles, aircraft, ships and other transport means, and of both residential and commercial buildings.
Klapper Kenneth P.
Laughlin Wayne E.
Celotex Corporation (the)
Mitchell Richard J.
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