Oil free compounds of styrenic block copolymers, amorphous polyolefins, and carbon black
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United States of America Patent
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Oct 17, 2000
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N/A
app pub date -
Aug 1, 1997
filing date -
Aug 13, 1996
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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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