Asphaltic compositions

Details Asphaltic compositions Asphaltic compositions

1985-05-31

1987-02-24

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

C08L 9500

Patent

active

046455388

ABSTRACT:
An asphaltic composition of enhanced utility for vehicular pavement is described. It comprises a road paving grade of asphalt in admixture with a small amount of an alkylene dithiocarbamate such as methylene bis(dibutyldithiocarbamate) characterized by having a reduced increase in absolute viscosity to original absolute viscosity after thin film aging as measured by ASTM Test D 1754 at 140.degree. F. Such compositions exhibit enhanced resistance to oxidative degradation of the type normally experienced by road paving grades of asphalt.

REFERENCES:
patent: 3876550 (1975-04-01), Holubec
patent: 4069181 (1978-01-01), Healy et al.

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