Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Patent
1993-03-31
1997-01-07
Lieberman, Paul
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
252502, 106472, 524496, H01B 120, H01B 124
Patent
active
055913822
ABSTRACT:
A polymeric composition having improved toughness and conductivity comprising carbon fibrils, at least a portion of which are in the form of aggregates, wherein, as measured on an area basis, substantially all of the aggregates are less than about 35 .mu.m in diameter. A polymeric composition having improved toughness and conductivity is prepared by combining carbon fibrils, at least a portion of which are in the form of aggregates, with a polymeric material, mixing the combination to distribute the fibrils in the polymeric material and applying shear to the combination to break down the aggregates until substantially all of the aggregates are less than about 35 .mu.m in diameter.
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Friend Stephen O.
Hausslein Robert W.
Nahass Paul R.
Hyperion Catalysis International Inc.
Kopec M.
Lieberman Paul
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