Molding of ceramic materials

Details Molding of ceramic materials Molding of ceramic materials

1987-07-28

1989-01-31

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 63, 521138, 523502, 524801, C08F 232, C08K 3120, C08J 9128

Patent

active

048016241

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 1600-5000 cP 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.

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patent: 4461849 (1984-07-01), Karickhoff
patent: 4483945 (1984-11-01), Beresford
patent: 4489174 (1984-12-01), Karickhoff

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