WOOD LIGNINS USED AS EXTENDERS FOR ASPHALT IN BITUMINOUS PAVEMENTS (WITH DISCUSSION)

摘要: Lignin is a cementitious material that binds wood fibers together and major by-product of the paper making industry. Because both rapid rise in asphalt prices availability concerns, various transportation industry government agencies depend on have begun to look at alternatives. The research reported herein part larger project develop substitutes or extenders for from lignin. Several approaches development new binders were attempted, early work also included paper.