Compatibility evaluation of waste tire rubber powder modified asphalt binder
LIU Kefei
DENG Linfei
ZHENG Jiayu
JIANG Kang
Abstract：The solubility parameter calculation,difference of segregation softening point test and atomic force microscope scanning have been used to comparative research the comparability between 2 modifiers (SBS and waste rubber powder) and 70#A base asphalt.The results show that the compatibility between rubber powder and matrix asphalt can not be evaluated accurately by single evaluation system,comprehensive evaluation of various analytical methods should be implemented.There are many differences of relative molecular weight,solubility parameter,chemical structure and thermal stability between rubber powder particles and matrix asphalt,so they belong to the poor thermodynamic compatibility system.But there are technological compatibility between the two,that is,the physical mixing capacity can be realized by mechanical stirring method.
Keywords：rubber modified asphaltcompatibilitysolubility parameterevaluation
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 13-16 )