Method of preparing novel bitumen compositions

Details Method of preparing novel bitumen compositions Method of preparing novel bitumen compositions

1977-09-15

1979-05-15

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23AR, 260 23XA, 260 23H, 260 237R, 260 237M, 260 237C, 260 285A, 260 285B, 260 285D, 260 285R, C08L 9500

Patent

active

041547101

ABSTRACT:
A method of preparing novel bitumen compositions which comprises a first step wherein an olefinic unsaturated organic compound having a molecular weight varying between 300 and 30,000 is added to a bitumen having a penetration value varying between 30 and 220, and a second step wherein a polymer having a molecular weight varying between 100,000 and 2,000,000 is added to the product obtained from said first step.

REFERENCES:
patent: 3547850 (1970-12-01), Montgomery
patent: 3644240 (1972-02-01), Tarbell et al.

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