Composition useful for producing thin ceramic sheets
US5002710A · kind A · utility
21Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1989 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Oct 20, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/634
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.