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

C - Chemistry – Metallurgy – 08 – L

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C08L 95/00 (2006.01)

Patent

CA 2077136

ABSTRACT OF THE DISCLOSURE 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: C6-C28- 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.

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