Thickened molding compositions

Details Thickened molding compositions Thickened molding compositions

1988-09-15

1991-09-10

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524507, 524539, 524853, 524212, 524213, 524215, 524216, 525 28, C08L 6706

Patent

active

050474553

ABSTRACT:
A thickened, uncrosslinked molding composition which has a long shelf life and can be cured above 50.degree. C. comprises a liquid reactive system, a thickener, a polymerization initiator and conventional additives. The thickener is a combination of a primary aromatic amine and an isocyanate. The molding compositions, which are, in particular, SMCs or BMCs, can be processed into moldings by compression molding, injection molding or transfer molding and subsequent curing.

REFERENCES:
patent: 2760953 (1956-08-01), Seeger
patent: 3047530 (1962-07-01), Nischk et al.
patent: 4073828 (1978-02-01), Ferrarini et al.
patent: 4296020 (1981-10-01), Magrans, Jr.
patent: 4413072 (1983-11-01), Hess et al.
patent: 4584325 (1986-04-01), Smith
patent: 4880872 (1989-11-01), Thomas

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