Low emission foundry binder system

Details Low emission foundry binder system Low emission foundry binder system

1979-09-20

1982-01-19

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08L 6106

Patent

active

043116310

ABSTRACT:
Foundary binder, substantially free of inert hydrocarbon solvents, is comprised of a mixture of low molecular weight methylolated phenolic components and a reactive diluent. The binder is mixed with sand and cured with a polyisocyanate in the presence of a catalyst.

REFERENCES:
patent: 3409579 (1968-11-01), Robins
patent: 3726867 (1973-04-01), Robins
patent: 4051092 (1977-09-01), Holik et al.
patent: 4072649 (1978-02-01), Kubens
patent: 4079031 (1978-03-01), Sardessai et al.

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