Bitumen-containing extended compositions

Details Bitumen-containing extended compositions Bitumen-containing extended compositions

1981-12-21

1983-02-01

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 71, 524425, 524445, 524451, 524442, 524436, 524547, C08L 9500

Patent

active

043716415

ABSTRACT:
The instant invention relates to improved roofing materials which are a blend composition of a bitumen, a neutralized sulfonated polymer, and a filler, wherein the concentration level of the neutralized sulfonated polymer is about 5 to about 25 parts by weight per 100 parts by weight of the bitumen, more preferably about 7 to about 20, and the concentration level of the filler is about 0 to about 100 parts by weight per 100 parts of the bitumen. The improved roofing material based on such a composition has excellent stability towards oxidation, is U.V. stable and has good resistance to creep.

REFERENCES:
patent: 4085078 (1978-04-01), McDonald
patent: 4091134 (1978-05-01), Uemura et al.
patent: 4158688 (1979-01-01), Pett et al.

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