Sheet molding compound

Details Sheet molding compound Sheet molding compound

1980-04-23

1981-09-15

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525 28, C08L 6706, C08L 6302, C08L 7506

Patent

active

042896843

ABSTRACT:
Sheet molding compound is prepared from unsaturated polyester resin syrup, particulate fillers, randomly oriented reinforcing fibers, a polyhydroxy polyacrylate or polyhydroxy polymethacrylate and an organic polyisocyanate. At the time of manufacturing the sheet molding compound, the organic diisocyanate combines with the polyhydroxy polyacrylate or polyhydroxy polymethacrylate to thicken the sheet molding compound without causing polymerization of the unsaturated polyester resin syrup.

REFERENCES:
patent: 3531364 (1970-09-01), Schmidle
patent: 3677920 (1972-07-01), Kai
patent: 3933728 (1976-01-01), Henbest
patent: 3975457 (1976-08-01), Chang
patent: 4073828 (1978-02-01), Ferrarini
patent: 4129641 (1978-12-01), Ferrarini

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