Method for extrusion of powder mixtures using supercritical flui

Details Method for extrusion of powder mixtures using supercritical flui Method for extrusion of powder mixtures using supercritical flui

1998-01-07

1999-08-10

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Producing article having plural hollow channels

264631, 264638, 264639, 264669, 26417711, 26417712, 419 36, 419 37, 419 41, 419 67, B29C 4700

Patent

active

059355140

ABSTRACT:
A method of making a shaped article involves forming an aqueous mixture comprising inorganic powder material, supercritical fluid, organic binder component a portion of which is essentially insoluble in water, and aqueous vehicle, and extruding the mixture into a shaped article.

REFERENCES:
patent: 5568652 (1996-10-01), Wu
patent: 5766522 (1998-06-01), Daly et al.
patent: 5884138 (1999-03-01), Chalasani

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