EXTRACTION AND PROPORTIONING OF SBS POLYMER IN BITUMEN

EXTRACTION ET DOSAGE DU POLYMERE SBS DANS LES BITUMES

Sbs polymer was extracted from a bituminous mixture according to two methods: (1) precipitation of the polymer by means of a non-solvent added in very accurate proportions to a solution of bitumen-polymer mixture. Existing interactions between the polymer and asphaltenes are demonstrated; (2) use of a solvent in which asphaltenes are insoluble and the sbs polymer soluble. The bitumen-polymer mixture can be fractionated into its constituents: asphaltenes-maltenes-sbs. The two methods enable the proportion of sbs present in the material to be determined and give the possibility of subsequent analysis of the extracted sbs. (TRRL)

  • Corporate Authors:

    Laboratoire Central des Ponts et Chausees (LCPC)

    Boulevard Lefebvre 58
    Paris Cedex 15,   France  F-75732
  • Authors:
    • Marechal, J C
  • Publication Date: 1979-9-10

Language

  • French

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00324667
  • Record Type: Publication
  • Source Agency: Laboratoire Central des Ponts et Chausees (LCPC)
  • Files: ITRD, TRIS
  • Created Date: Aug 15 1981 12:00AM