Stable precatalyzed saturated epoxy resin compositions

Details Stable precatalyzed saturated epoxy resin compositions Stable precatalyzed saturated epoxy resin compositions

1983-05-20

1984-10-02

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 94, 528408, C08G 5914, C08G 5924

Patent

active

044749350

ABSTRACT:
The present invention is directed to storage-stable precatalyzed polyepoxides containing a catalytic amount of an ammonium salt and to a process for preparing higher molecular weight polyepoxides by reacting the precatalyzed polyepoxide with a polyhydric phenol or polymeric fatty acid.

REFERENCES:
patent: 2633458 (1953-03-01), Shokal
patent: 3336241 (1967-08-01), Shokal
patent: 3477990 (1969-11-01), Dante et al.
patent: 3547881 (1970-12-01), Moeller et al.
patent: 3824212 (1974-07-01), Sinnema et al.
patent: 3978027 (1976-08-01), Marshall
patent: 4255553 (1981-03-01), Mizumura et al.
patent: 4320222 (1982-03-01), Lopez

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