Cobaltic promoters in unsaturated polyester resin sheet molding

Details Cobaltic promoters in unsaturated polyester resin sheet molding Cobaltic promoters in unsaturated polyester resin sheet molding

1975-04-30

1976-10-26

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260863, 260873, C08L 6700, C08L 6706

Patent

active

039882900

ABSTRACT:
This invention relates to an improvement in a process for preparing unsaturated polyester resins which are chemically thickened with a Group II metal oxide or hydroxide and the resulting product. The improvement for extending the shelf life of said molding compound while providing for enhanced curing rates at the molding temperature comprises:
Incorporating at least an effective proportion of a cobaltic promotor in said molding compound for selectively extending the shelf life of said molding compound and for providing enhanced cure rate.

REFERENCES:
patent: 3631217 (1971-12-01), Rabenold
patent: 3649711 (1972-03-01), Payne, Jr.
patent: 3794695 (1974-02-01), Burkhardt et al.
patent: 3804799 (1974-04-01), Uffner

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