Foundry binders

Details Foundry binders Foundry binders

1978-12-19

1980-09-23

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

164 43, 260 37N, 260 38, B22C 122, B22C 124, C08L 9100

Patent

active

042242010

ABSTRACT:
In a foundry binder comprising a polyisocyanate and a polyhydroxy composition, the polyisocyanate is modified by reaction with a drying oil. The composition is useful in a "cold box" process.

REFERENCES:
patent: 3255500 (1966-06-01), Engel et al.
patent: 3403721 (1968-10-01), Robins et al.
patent: 3409579 (1968-11-01), Robins
patent: 3428110 (1969-02-01), Walker et al.
patent: 3429848 (1969-02-01), Robins
patent: 3432457 (1969-03-01), Robins
patent: 3933727 (1976-01-01), Schmid

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