Elastically restoring, polymer-modified bitumen (pmb)

Details Elastically restoring, polymer-modified bitumen (pmb) Elastically restoring, polymer-modified bitumen (pmb)

C - Chemistry, Metallurgy

08

L

400/1616

C08L 95/00 (2006.01)

Patent

CA 2017965

ABSTRACT OF THE DISCLOSURE A polymer-modified bitumen (PmB) having improved elastic restoration and having a content of 0.5-20 Wt.% of polymer components which polymer components are comprised to the extent of at least 20 wt.% of polyalkyl (meth)acrylates having molecular weights greater than 30,000, said polyalkyl (meth)acrylate being comprised of 50-99.8 wt.% of alkyl (meth)acrylates having alkyl groups of 8-26 C atoms, 0.1-2.8 wt.% of polymerizable carboxylic acids, 0.1-2.8 wt.% of polymerizable basic nitrogen compounds; and 0-49.8 wt.% of one or more other polymerizable compounds each having not more than one polymerizable double bond. FDV/saf/krs

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