Art of catalyzing the reaction between a polyol and a polyaldehy

Details Art of catalyzing the reaction between a polyol and a polyaldehy Art of catalyzing the reaction between a polyol and a polyaldehy

1975-02-21

1977-03-22

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 385R, 106150, 106214, 260 73L, 260112R, 264109, 536 1, 536 2, 536 3, 536 84, 536103, 536104, 536106, C07G 700

Patent

active

040136299

ABSTRACT:
An inorganic alkali halide is employed in a binder system to catalyze the reaction between glyoxal and polyhydroxyl compounds while permitting a controlled reaction rate and control of properties. The binder system has shown good utility as a foundry core binder.

REFERENCES:
patent: 2246635 (1941-06-01), Moller et al.
patent: 2867615 (1959-01-01), Lehmann et al.
patent: 2968581 (1961-01-01), Kress
patent: 3523027 (1970-08-01), Hall et al.
patent: 3737398 (1973-06-01), Yamaguchi

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