Rare earth containing catalyst for epoxy resin systems

Details Rare earth containing catalyst for epoxy resin systems Rare earth containing catalyst for epoxy resin systems

1990-08-15

1992-08-04

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 92, 528103, 528361, 528365, 25218223, 25218224, C08G 5940

Patent

active

051359944

ABSTRACT:
The cure of an epoxy resin containing a hardener such as a polycarboxylic acid anhydride can be catalyzed with a catalyst comprising a rare earth carboxylate dissolved in a solvent which is at least dispersible in and reactive with the epoxy resin.

REFERENCES:
patent: 3018262 (1962-01-01), Schroeder
patent: 3144418 (1964-08-01), Hill et al.
patent: 3450647 (1969-06-01), Gunther et al.
patent: 3487027 (1970-12-01), Case
patent: 4192786 (1980-03-01), Shibayama et al.
patent: 4604452 (1986-08-01), Shimp
patent: 4608434 (1986-08-01), Shimp
Rare Earth compounds as crosslinking catalysts for epoxy resin: CA 107:155570n; Chinese 85,102,264 dated Sep. 24, 1986 (2 abstracts).
Lee and Neville, Handbook of Epoxy Resins, McGraw-Hill, N.Y. 1967, pp. 13-17 to 13-10. TP1180.E6 L4.

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