Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1981-02-06
1982-09-28
Meros, Edward J.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
106307, 423460, 429232, C09C 148
Patent
active
043518150
ABSTRACT:
Carbon black products useful as an ingredient in dry cell battery compositions are disclosed which have a wide aggregate size distribution with a range of measured aggregate volume from about 5.times.10.sup.4 to about 1.times.10.sup.9 nm.sup.3, a geometric mean aggregate volume (Log Vg, nm.sup.3) of about 6.2 to about 7.5, geometric standard deviation (for Log Vg, nm.sup.3) of about 0.7 to about 1.0, a dibutyl phthalate absorption ranging from about 210 to about 270 cc/100 g., a nitrogen surface area ranging from about 30 to about 60 m.sup.2 /g, an average stacking height (L.sub.c) of ordered graphitic layer segments ranging from about 2.7 to about 3.7 nm. Novel furnace carbon blacks are disclosed which have the same characteristics but have an average stacking height (Lc) of ordered graphitic layer segments ranging from about 1.6 to about 3.7 nm.
REFERENCES:
patent: 3253890 (1966-05-01), Deland et al.
patent: 3342554 (1967-09-01), Jordan et al.
patent: 3408164 (1968-10-01), Johnson
patent: 4013759 (1977-03-01), Giet
patent: 4279880 (1981-07-01), Giet
"Encyclopedia of Industrial Chemical Analysis", vol. 8, 1969, pp. 179 & 196.
Eckert Frank J.
Glasstetter Fred E.
Benjamin Walter M.
Columbian Chemicals Company
Meros Edward J.
Traut Donald L.
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