Plasticized pitch composition

Details Plasticized pitch composition Plasticized pitch composition

C - Chemistry, Metallurgy

10

C

6/165

C10C 3/00 (2006.01) C08L 95/00 (2006.01)

Patent

CA 1083755

ABSTRACT: A coal tar pitch having a softening point of from 40 to 75°C (Kramer-Sarnow) is plasticized by the incorporation of from 50 to 20 % by weight, based on the total weight of the composition, of a high crystal content coal tar fraction predominantly boiling between 350 and 450°C. This plasticized pitch may be used in admixture with a bitumen having an average penetration at 25°C of from 10 to 50 to produce a material having sufficient resistance to deformation for use as a road surface material.

278714

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