Coated sand composition and method for producing same

Details Coated sand composition and method for producing same Coated sand composition and method for producing same

1983-06-16

1984-07-17

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524341, C08K 513

Patent

active

044607164

ABSTRACT:
A process for preparing resin coated sand for shell molding foundry operations is disclosed wherein the resin utilized is a phenolic resin containing a bromophenol. The resin coated sand has improved shake-out properties and is especially formulated for low melting metals such as aluminum and magnesium castings.

REFERENCES:
patent: 3917558 (1975-11-01), Gardikes et al.
patent: 4252700 (1981-02-01), Funabiki et al.
patent: 4290928 (1981-09-01), Funabiki et al.
patent: 4336179 (1982-06-01), Iyer
patent: 4379866 (1983-04-01), Henry et al.

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