Optically anisotropic carbonaceous pitch used for producing...

Details Optically anisotropic carbonaceous pitch used for producing... Optically anisotropic carbonaceous pitch used for producing...

C - Chemistry, Metallurgy

10

C

196/36, 18/627

C10C 3/02 (2006.01)

Patent

CA 1179620

ABSTRACT OF THE DISCLOSURE A composition for an optically anistropic carbonaceous pitch suitable for the production of a carbon material having a high tensile strength and a high modulus of elasticity. The composition comprises about 2 to 20 percent by weight of a first, n-heptane-soluble component, about 15 to 45 percent by weight of an n-heptane-insoluble and benzene-soluble, second component and the balance of the composition including benzene- insoluble components. The composition has a volume ratio of an optically anisotropic phase of at least about 90% and a softening point of up to about 320°C.

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