Alkyl (meth)acrylate-maleic anhydride copolymer-modified bitumen

Details Alkyl (meth)acrylate-maleic anhydride copolymer-modified bitumen Alkyl (meth)acrylate-maleic anhydride copolymer-modified bitumen

1992-08-17

1993-11-30

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 60, 524 68, 524 71, C08L 9500

Patent

active

052666158

ABSTRACT:
The present invention provides a polymer-modified bitumeniferous composition containing polymer components in the amount of 0.5-50 wt. %, wherein 20-100 wt. % of the polymeric additive is a copolymer comprises of units of: C.sub.6 -C.sub.28 -alkyl (meth)acrylates in the amount of 80-99.9 wt. %, maleic anhydride in the amount of 0.1-20 wt. %, and other polymerizable compounds in the amount of 0-19.9 wt %. The polymer-modified bitumens exhibit excellent and persistent homogeneity, high elastic resilience, and a good range of plasticity.

REFERENCES:
patent: 2420082 (1947-05-01), Klinger
patent: 2828429 (1958-03-01), Creonti
patent: 4026854 (1977-05-01), Buechner et al.
patent: 4451598 (1984-05-01), Decroix
patent: 4650820 (1987-03-01), Decroix
patent: 5126383 (1992-06-01), Muller et al.

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