High strength conductive polymers containing carbon fibrils

Details High strength conductive polymers containing carbon fibrils High strength conductive polymers containing carbon fibrils

1994-03-30

1997-07-01

Lieberman, Paul

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252502, 106472, 524496, H01B 124

Patent

active

056435029

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.

REFERENCES:
patent: 4559164 (1985-12-01), Kostelnik et al.
patent: 4560498 (1985-12-01), Horsma et al.
patent: 4663230 (1987-05-01), Tennent
patent: 4664900 (1987-05-01), Miyazaki et al.
patent: 4696956 (1987-09-01), Nabeta et al.
patent: 4988775 (1991-01-01), Sivavec et al.
patent: 5132365 (1992-07-01), Gallucci

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