Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials
Patent
1995-08-16
1997-07-01
Czaja, Donald E.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Of inorganic materials
264 44, 264 49, 264105, 501 80, 501 82, 501 84, 501 87, 501 90, 521 61, 521 62, 521 63, 521154, 521180, 521919, B29C 6500
Patent
active
056435126
ABSTRACT:
The present invention is embodied in a method of producing a ceramic foam. The steps for producing the ceramic foam include first mixing a liquid pre-ceramic resin with a liquid phenolic resin, second allowing the resultant mixture to chemically foam, third curing the mixture for a time and at a temperature sufficiently to convert the mixture to a polymeric foam, and then heating the resultant polymeric foam for a time and at a temperature sufficiently to completely break-down polymers of the polymeric foam and convert the polymeric foam to a ceramic foam.
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Roger Wills et al., "Siloxanes, Silanes, and Silazanes in the Preparation of Ceramics and Glasses", Ceramic Bulletin, vol. 62, No. 8, pp. 904-911.
Carpenter Harry Wellington
Castellucci Nicholas T.
Colby Mary Wagner
Daws David Eric
Anderson Terry J.
Colaianni Michael P.
Czaja Donald E.
Hoch Jr. Karl J.
Northrop Grumman Corporation
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