Process for making fine diameter ceramic fibers using a moldable

Details Process for making fine diameter ceramic fibers using a moldable Process for making fine diameter ceramic fibers using a moldable

1991-01-28

1991-08-20

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

264 59, 264 63, 2642106, 2642107, 2642108, 26421117, 26421115, 2642356, 264346, B29C 4788, C04B 3580

Patent

active

050412485

ABSTRACT:
A thermoplastic ceramic molding composition comprised of about 40 to 70 volume percent of a binder, consisting essentially of an organic acid containing from 12 to 26 carbon atoms per molecule and a polyisobutylene polymer having a molecular weight between about 8,700 and 135,000, and about 30 to 60 volume percent of a ceramic powder is disclosed. The molding composition can be thermoplastically extruded into elongate ceramic bodies that can be uniformly elongated many times the original length of the ceramic body to form, for example, very fine diameter fibers or filaments suitable for sintering into a polycrystalline ceramic fiber or filament having a very fine diameter.

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"Vistanex.RTM. Polyisobutylene Properties and Applications", Sales brochure Exxon Chemicals, copyright 1974.

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