Sulfur-treated asphalt compositions and their preparation

Details Sulfur-treated asphalt compositions and their preparation Sulfur-treated asphalt compositions and their preparation

1997-07-17

1999-12-14

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

C09D19500

Patent

active

060011629

ABSTRACT:
A method is provided for preparing asphalt composition, e.g., solvent deasphalting (SDA)-produced asphalt composition comprising a mixture containing SDA bottoms with or without vacuum tower bottoms and lube plant extract, which method comprises treating the asphalt composition with 0.05 to 0.5 wt % reactive sulfur under conditions sufficient to improve rheological properties of said composition as measured by increased complex shear modulus relative to a corresponding untreated mixture. The invention further relates to such asphalt composition and paving composition containing same.

REFERENCES:
patent: 123458 (1872-02-01), Crawford
patent: 1163593 (1915-12-01), Forrest
patent: 1266261 (1918-09-01), Henderson
patent: 1353003 (1920-09-01), White, Jr.
patent: 3970468 (1976-07-01), Garrigues et al.
patent: 4130516 (1978-12-01), Gagle et al.
patent: 4154619 (1979-05-01), Pronk
patent: 4211575 (1980-07-01), Burris
patent: 4283231 (1981-08-01), Clementoni et al.
patent: 4713117 (1987-12-01), Goodrich
patent: 5371121 (1994-12-01), Bellomy et al.
patent: 5374672 (1994-12-01), Chaverot et al.
patent: 5601697 (1997-02-01), Miller et al.
patent: 5627225 (1997-05-01), Gorbaty et al.

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