Blends of different conjugated diene/monovinyl aromatic copolyme

Details Blends of different conjugated diene/monovinyl aromatic copolyme Blends of different conjugated diene/monovinyl aromatic copolyme

1978-09-14

1980-04-01

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08L 9500

Patent

active

041961153

ABSTRACT:
A radial conjugated diene/monovinyl aromatic copolymer having a weight average molecular weight (M.sub.w) above 200,000 and a conjugated diene/monovinyl aromatic ratio of 50/50 to 85/15 is used together with a conjugated diene/monovinyl aromatic copolymer having an M.sub.w below 200,000 and being radial or linear, with same conjugated diene/monovinyl aromatic weight ratios as earlier given, in an asphalt-containing composition to yield desirable high as well as low temperature properties.

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