Composition useful for producing thin ceramic sheets

Details Composition useful for producing thin ceramic sheets Composition useful for producing thin ceramic sheets

1989-10-20

1991-03-26

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264166, 264171, C04B 3313

Patent

active

050027107

ABSTRACT:
Long chain fatty acids such as stearic acid are novel additives in a composition comprising a polymer binder plus a ceramic powder and various other additives, which can be fired to become a thin, flat sheet of ceramic. A typical process using this composition includes aggressive mixing such as ball milling, followed by doctor blade tape casting. The fatty acid additive in addition to other materials used as dispersing agents provides a cast composition which is less susceptible to cracking during drying than previous tape casting compositions.

REFERENCES:
patent: 2582993 (1952-01-01), Howatt
patent: 2966719 (1961-01-01), Park
patent: 3780150 (1973-12-01), Stetson et al.
patent: 4587068 (1986-05-01), Borase et al.

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