Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material
Patent
1988-03-01
1989-12-26
Lorin, Hubert C.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By mechanically introducing gas into material
264 43, 264 56, 264 63, 501 80, 501 82, C04B 3800
Patent
active
048896705
ABSTRACT:
Porous green ceramic parts may be prepared by componding 90 to 60 weight percent of a particulate ceramic material with 10 to 40 weight percent, on a dry basis, of a latex of a polymer. The compound is frothed, shaped and set. The green part may then be sintered. The process avoids the expense of preparing solid ceramic compounds containing waxes or sawdust which burn out to create voids. The process is useful to prepare ceramic filters, catalysts, or light weight metal ceramic foams.
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Chemical Abstract 85: 193774s.
Gurak Nur R.
Russell James P.
Thompson Ronald J.
Yarkovsky Joseph M.
BASF - Aktiengesellschaft
Harang Bruce E.
Lorin Hubert C.
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