C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
18/1216
C08G 18/70 (2006.01) C08G 18/79 (2006.01) C08G 18/80 (2006.01)
Patent
CA 1239268
REINFORCED CELLULAR OR NONCELLULAR POLYURETHANE MOLDED PARTS Abstract of the Disclosure Reinforced cellular or noncellular molded poly- urethane parts are prepared by heating a mixture of rein- forcing materials and a heat-curable composition of poly- isocyanates and polyols in an open or closed mold, said composition being storage-stable at room temperature and containing, optionally, auxiliaries and additives. In said composition, the polyisocyanate is dispersed in the form of discreet particles having particle diameters from 0.1 to 150 µm in the polyol and the polyisocyanate particles are deactivated on their surfaces such that from 0.01 to 20 equivalent percent of the total available isocyanate groups are deactivated and such that the ratio of free isocyanate groups to hydroxyl groups is from 0.7:1 to 2.5:1. The polyurethane molded parts are suitable for use as self-supporting trim parts, reinforcement parts, or molded parts for various applications.
468831
Blum Rainer
Horn Peter
Osterloh Rolf
Welz Martin
Werner Frank
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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