Molding of ceramic materials

Details Molding of ceramic materials Molding of ceramic materials

1989-01-25

1990-03-13

Silbaugh, Jan H.

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

264219, B28B 126, B29C 3338

Patent

active

049081748

ABSTRACT:
A porous, open pore, hardened, plastic composition suitable as a replacement for plaster for use as a mold in shaping a ceramic article by any of various ceramic shaping methods prepared by subjecting a water-in-oil emulsion to hardening, without breaking the emulsion, and then drying the hardened product, the emulsion having a viscosity of 1600-5000cP and/or containing 2-12% by weight of an alkali-reactive, water-binding material, the water phase/oil phase ratio providing an open pore volume in the composition equivalent to 10-60% of the total volume of the composition.

REFERENCES:
patent: 4489174 (1984-01-01), Karickhoff

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