Polyurethane-based binder, as well as the production thereof

Details Polyurethane-based binder, as well as the production thereof Polyurethane-based binder, as well as the production thereof

1980-06-16

1981-11-17

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C08G 1832

Patent

active

043012710

ABSTRACT:
A cold setting molding material which includes sand and a polyurethane binder with the polyol portion of the polyurethane reaction mixture containing a tertiary amino group and phenolic hydroxyl groups.

REFERENCES:
patent: 3925296 (1975-12-01), Stone et al.
patent: 3933727 (1976-01-01), Schmid
patent: 4079031 (1978-03-01), Sandessai et al.

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