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    • Rigid polyurethane foams from unrefined crude glycerol and technical lignins 

      Muller, Louis Christiaan; Marx, Sanette; Vosloo, Hermanus C.M.; Fosso-Kankeu, Elvis; Chiyanzu, Idan (Sage, 2018)
      The need for green materials has driven interest in the preparation of rigid polyurethane foam (PUF) from various biomass types. The present study aims at increasing bio-based content by utilizing by-products from both ...