Asphaltic concrete compositions comprising diene/vinyl aromatic

Details Asphaltic concrete compositions comprising diene/vinyl aromatic Asphaltic concrete compositions comprising diene/vinyl aromatic

1977-09-30

1980-08-12

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 285B, 260 4243, C08L 9100

Patent

active

042172594

ABSTRACT:
Improved asphalt-containing compositions having excellent flexural fatigue test characteristics are prepared by incorporating into the mix during its preparation at least one diene/vinyl aromatic copolymer, said copolymer being a radial teleblock copolymer wherein the teleblock copolymer has a diene/vinyl aromatic weight ratio of about 60/40 to about 90/10 and a weight average molecular weight range of from about 130,000 to 300,000.

REFERENCES:
patent: 3763074 (1973-10-01), Rostler
patent: 3778397 (1973-12-01), Gannon et al.
patent: 3900692 (1975-08-01), Rostler

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