Plastic and nonmetallic article shaping or treating: processes – Removal of liquid component or carrier through porous mold... – By direct application of vacuum or pneumatic pressure
Patent
1988-06-01
1990-04-10
Schofer, Joseph L.
Plastic and nonmetallic article shaping or treating: processes
Removal of liquid component or carrier through porous mold...
By direct application of vacuum or pneumatic pressure
264 86, 264299, 524275, B28B 126
Patent
active
049158902
ABSTRACT:
A casting process for the preparation of whiteware ceramic articles employs a polyalkylene polyamine, such as tetraethylene pentamine, as an additive to increase the casting rate. The additive can be employed, e.g., in slip casting, vacuum casting and pressure casting. Optionally, the addtive includes a binder such as a styrene butadiene latex in an amount effective to maintain the green strength of the articles prepared in the casting process.
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Chemical Abstracts 85:165496j.
Interceram, vol. 1, pp. 33-35 (1987), Sacchiero, E., "Casting with Medium Pressure".
Croft Alan P.
Koblinski Brian D.
Tamez Alfredo C.
Hayhurst Paul D.
Mulcahy Peter
Ruhr Paula Sanders
Schofer Joseph L.
The Dow Chemical Company
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