Furan foundry binder system containing a curing promoter

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

5253272, 526270, 528249, 528367, 528417, C08K 336

Patent

active

045433747

ABSTRACT:
A binder composition for foundry molds and cores comprising a furan based binder, a metal sulfonate curing catalyst therefor and a cure promoter selected from copper chloride, zinc chloride and iron chloride.

REFERENCES:
patent: 3700604 (1972-12-01), Metil
patent: 4381813 (1983-05-01), Kottke
patent: 4383098 (1983-05-01), Menting
patent: 4474636 (1984-10-01), Bogner

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