Mixtures of bitumen and olefin polymers suitable for modifying b

Details Mixtures of bitumen and olefin polymers suitable for modifying b Mixtures of bitumen and olefin polymers suitable for modifying b

1997-02-21

1998-11-24

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

524 59, 524 70, 524 71, C09D19500

Patent

active

058401091

ABSTRACT:
Mixtures containing bitumen and at least one polymer selected from (A) an essentially atactic propylene homopolymer, (B) an amorphous propylene copolymer with a C.sub.4 -C.sub.10 .alpha.-olefin, and (C) an amorphous propylene copolymer with ethylene; the polymers (A) and (B) having the following characteristics:

REFERENCES:
patent: 4368228 (1983-01-01), Gorgati
patent: 4420524 (1983-12-01), Gorgati
patent: 4771090 (1988-09-01), Kehr et al.
patent: 5326798 (1994-07-01), Danese
patent: 5437923 (1995-08-01), Kalkanoglu
patent: 5516817 (1996-05-01), Slusher et al.

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