Bituminous composition with diene/monovinyl aromatic block copol

Details Bituminous composition with diene/monovinyl aromatic block copol Bituminous composition with diene/monovinyl aromatic block copol

1997-04-30

1998-12-29

Sellers, Robert E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

1062731, 1062811, C08K 501, C08L 9500

Patent

active

058543350

ABSTRACT:
A bituminous composition which comprises a bituminous component and a block copolymer of a conjugated diene and a monovinylaromatic hydrocarbon, wherein the block copolymer has a vinyl content of at least 25% by weight based on the total diene content and a diblock content of 25 wt % or less, whereas the diblock has an apparent molecular weight which is in the range of from 100,000 to 170,000, is of use particularly in roofing applications.

REFERENCES:
patent: 4129541 (1978-12-01), Marrs et al.
patent: 4530652 (1985-07-01), Buck et al.
patent: 5420203 (1995-05-01), Dillman et al.

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