Asphalt composition containing highly coupled radial polymers

Details Asphalt composition containing highly coupled radial polymers Asphalt composition containing highly coupled radial polymers

1994-11-08

1996-08-06

Jordan, Charles T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 68, C08K 507

Patent

active

H00015806

ABSTRACT:
A bituminous composition comprising a compatible bituminous component and a completely non-tapered radial block copolymer of a conjugated diolefin and a vinyl aromatic hydrocarbon wherein the polymer has from 3 to 6 arms, a molecular weight of from 150,000 to 400,000, a coupling efficiency of at least 95 percent, and a polyvinyl aromatic hydrocarbon blockiness of at least 98.5%.

REFERENCES:
patent: H876 (1991-01-01), Gilmore
patent: H1141 (1993-02-01), Gelles et al.
patent: 4115335 (1978-09-01), Reusser et al.
patent: 4172061 (1979-10-01), Bresson
patent: 4196115 (1980-04-01), Bresson
patent: 4217259 (1980-08-01), Bresson
patent: 5051457 (1991-09-01), Gelles
patent: 5118733 (1992-06-01), Gelles et al.
patent: 5272214 (1993-12-01), Custro et al.
SolT161C Polymer made by Enichem.

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