Bitumen compositions and a process for their preparation

Details Bitumen compositions and a process for their preparation Bitumen compositions and a process for their preparation

1997-05-14

1999-03-30

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

524 68, C09D19500, C08L 9500

Patent

active

058882898

ABSTRACT:
The present invention provides a bitumen composition comprising a bitumen component, a thermoplastic rubber in an amount of less than 8 % wt, and an ethylene-vinyl acetate copolymer in an amount of less than 5 % wt, both based on total bitumen composition, wherein the ethylene-vinyl acetate copolymer has a vinyl content in the range of from 20 to 35% wt, based on copolymer; a process for preparing such bitumen composition; and the use of such bitumen compositions in asphalt mixtures for road applications.

REFERENCES:
patent: 3856732 (1974-12-01), Bresson et al.
patent: 3896069 (1975-07-01), Kosaka et al.
patent: 3978014 (1976-08-01), van Beem et al.
patent: 4728683 (1988-03-01), Smits et al.
patent: 5093394 (1992-03-01), Rees et al.
patent: 5369156 (1994-11-01), Lesage
International Search Report dated Sept. 30, 1997 PCT/EP97/02707.

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