Copolymer-oil blends stabilized with asphalt

Details Copolymer-oil blends stabilized with asphalt Copolymer-oil blends stabilized with asphalt

1978-07-25

1981-02-10

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 285A, 260 285B, C08L 9100

Patent

active

042500672

ABSTRACT:
A method for hot melt blending a stablized composition of rubbery polymer and extender oil by dissolving asphalt in the extender oil prior to dissolving rubbery copolymer in the mixture. Preferably up to about 10 weight percent asphalt is dissolved in the extender oil prior to addition of the rubbery polymer with provision for later addition of asphalt to the mixture up to about 80 weight percent of the total composition. The usual fillers and additives are compatible with the stablized composition.

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patent: 3945977 (1976-03-01), Snonely
patent: 3978014 (1976-08-01), van Beem et al.
patent: 4115335 (1978-09-01), Reusser et al.

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