Process for preparing improved binding material systems, its use

Details Process for preparing improved binding material systems, its use Process for preparing improved binding material systems, its use

1989-06-09

1992-04-21

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 387, 106DIG4, B28B 734

Patent

active

051064189

ABSTRACT:
The invention describes a bonding material for casting mold, which comprises from about 0.5 to about 20 mass % plant-derived lecithin, plant oil or a mixture of lecithin and plant oil, from about 0.1 to about 5.5 mass % starch, starch derivative, sodium carboxymethylcellulose or a mixture thereof, from about 0.3 to about 4.5 mass % of sodium carbonate, 0.05 to 1.25 mass % of a boron compound, and the balance to 100 % being bentonite.

REFERENCES:
patent: 3086874 (1963-04-01), Wallace et al.
patent: 3095310 (1963-06-01), Wallace et al.
patent: 3285756 (1966-11-01), Moren
patent: 3535131 (1970-10-01), Meier

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