Modified mixing technique for carbonaceous stock
US4010040A · kind A · utility
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5References
1Claims
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Key dates
| Filing date | Dec 5, 1974 |
| Grant date | Mar 1, 1977 |
| Priority date | — |
| Expiry date | Dec 5, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J3/2053
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of compounding graphitizable compositions and improving the dispersion of filler particles and binder which comprises introducing the carbon filler into a hot-shear mixer, adding from about 25 to about 70 pph of water, adding from about 1/4 to about 5 pph of a dispersant, mixing for about 1/2 hour at a temperature at least above the boiling point of water (100.degree.), adding a binder, and mixing for about an additional one hour at a temperature above the melting point of the binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.