Metal compound containing polymer modified bitumen

Details Metal compound containing polymer modified bitumen Metal compound containing polymer modified bitumen

1991-03-04

1992-06-30

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 70, 524 71, 524 62, C08L 9500

Patent

active

051263831

ABSTRACT:
Polymer-modified bituminous compositions containing 0.5 to 20% by weight of polymer components, where 20 to 100% by weight of the polymer added is polyalkyl(meth)acrylate, which in synthesized from 50 to 99.8% by weight from C.sub.6 to C.sub.28 alkyl(meth)acrylates, 0.2 to 20% by weight from polymerizable carboxylic acids and/or sulfonic acids and 0 to 49.8% by weight from one or more other polymerizable, in particular nitrogen-containing compounds. Through the addition of reactive metal compounds, bituminous mixtures with improved elastic recovery, for example ranging from >50% to about 90%, with low temperature flexibility and high thermal stability are obtained.

REFERENCES:
patent: 2420082 (1947-05-01), Klinger
patent: 2848429 (1958-08-01), Woodruff et al.
patent: 4833184 (1989-05-01), Higgins

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