Oil free compounds of styrenic block copolymers, amorphous polyo

Details Oil free compounds of styrenic block copolymers, amorphous polyo Oil free compounds of styrenic block copolymers, amorphous polyo

1997-08-01

2000-10-17

Mulcahy, Peter D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524505, 524534, C08L 507

Patent

active

061333506

ABSTRACT:
An oil-free compound which comprises from 20 to 90% by weight of a block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene optionally hydrogenated, from 10 to 70% by weight of a low viscosity amorphous polyolefin, and from 0.1 to 20% by weight of carbon black. A stable oil-free bituminous composition which comprises from 80 to 98% by weight of a bituminous component, from 2 to 20% by weight of the above compound. A membrane suitable for single ply roofing prepared from the above compound.

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patent: 4420524 (1983-12-01), Gorgati
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patent: 5036119 (1991-07-01), Berggren
patent: 5328943 (1994-07-01), Isobe et al.
patent: 5451621 (1995-09-01), Usmani et al.

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