Title: ENHANCED PERFORMANCE OF LDPE/SBS BLEND MODIFIED ASPHALT THROUGH DYNAMIC VULCANIZATION
Page Range: p.433-440
Author(s): Gao G; Zhang Y; Zhang Y; Sun K
File size: 107K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 10
Issue No: No. 6
Abstract
A blend of LDPE and SBS was used to modify an asphalt, and a storage-stable modified asphalt was prepared by dynamic vulcanisation. The vulcanisation characteristics of the modified asphalt were studied using a strain-controlled rheometer. The vulcanisation of the SBS in the blend-modified asphalt resulted in a marked increase in the torque. The physical properties of the LDPE/SBS blend-modified asphalt containing even a small amount of sulphur were shown to be improved, together with its storage stability. The rheological properties of the blend-modified asphalt before and after the addition of sulphur were characterised using a dynamic shear rheometer and a rotational viscometer. 18 refs.
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