Phenolic asphalt blends

Details Phenolic asphalt blends Phenolic asphalt blends

1996-12-18

1997-12-02

Szekely, Peter A.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

524 68, C08L 9500

Patent

active

056931328

ABSTRACT:
An asphalt blend is presented in which asphalt is blended with a phenolic tar. The phenolic tar is primarily cumyl phenol and phenolic materials having a molecular weight of between about 300 and 1000. The tar is obtained as the bottoms product of a phenol heavy ends separation process and may also include phenol and acetophenone. A process for preparing this blend is also presented.

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patent: 5331028 (1994-07-01), Goodrich
patent: 5397818 (1995-03-01), Flanigan
patent: 5451621 (1995-09-01), Usmani et al.

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