Lignin-solids compositions

Details Lignin-solids compositions Lignin-solids compositions

C - Chemistry, Metallurgy

08

L

C08L 97/00 (2006.01) C09K 8/20 (2006.01)

Patent

CA 2473268

A lignin-solids composition comprising surface modified solids wherein said surface modified solids have adsorbed thereon thermally treated lignin. A method for preparing a lignin-solids composition comprising thermally treating a mixture of lignin and solids in the presence of oxygen for 1 to 3 hours and at a temperature in the range of 140° to 170°C to produce thermally treated lignin and to allow the thermally treated lignin to adsorb onto the surface of the solids.

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