Bituminous composition

Details Bituminous composition Bituminous composition

1988-12-30

1990-02-27

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523222, 524 71, 524505, C08L 5302, C08L 9500

Patent

active

049047132

ABSTRACT:
Bituminous composition comprising a bitumen, an elastomeric, optionally hydrogenated, block copolymer containing at least two alkenyl arene blocks A and at least one conjugated diene block B, and a polymer of a monoalkenyl arene of which polymer the number average molecular weight is the range of 0.25 to 2 times the number average molecular weight of the polymeric blocks A.

REFERENCES:
patent: 3978014 (1976-08-01), van Beem et al.
patent: 4464427 (1984-08-01), Barlow
patent: 4585816 (1986-04-01), Vitkuske et al.
patent: 4609697 (1986-09-01), Albers
patent: 4738996 (1988-04-01), Vonk et al.

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