Binder composition for mold making, binder/curing agent composit

Details Binder composition for mold making, binder/curing agent composit Binder composition for mold making, binder/curing agent composit

1994-08-17

1996-02-13

Seidleck, James J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523141, 523143, 523144, 528420, B22C 122

Patent

active

054911800

ABSTRACT:
Sand compositions containing a binder composition and a curing agent, in which the binder composition comprises (a) a binder comprising an acid-curable resin and (b) from 0.5 to 63.0% by weight, based on the binder composition, of at least one curing accelerator selected from compounds represented by formula (1): ##STR1## wherein X.sub.1, X.sub.2 each represent a hydrogen atom, a methyl group or an ethyl group;
exhibit an increased curing rate to provide a casting mold having an increased initial strength.

REFERENCES:
patent: 3806491 (1974-04-01), Gardikes et al.
patent: 4017461 (1977-04-01), Dunlop et al.
patent: 4391946 (1983-07-01), Akerberg et al.
patent: 4451577 (1984-05-01), Coss
patent: 4634723 (1987-01-01), Gardziella et al.
patent: 4640934 (1987-02-01), Michel

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