| Properties of GO-g-PS Nanoparticles Modified SBS |
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| DOI： |
| Key Words: graphene oxide；polystyrene；SBS；grafting modification；thermal stability；dynamic me-chanical property |
| Author Name | Affiliation | | ZHANG Yan | Hefei University of Technology | | ZHAI Songtao | Hefei University of Technology | | TANG Longxiang | Hefei University of Technology | | LIU Chunhua | Hefei University of Technology | | WANG Pinghua | Hefei University of Technology |
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| Abstract: |
| GO-g-PS nanoparticles were prepared by grafting polystyrene（PS）onto the surface of graphene oxide（GO） by in-situ free radical polymerization，and the obtained GO-g-PS nanoparticle was applied to modify styrene-butadiene-styrene block copolymer（SBS）.The physical properties，thermal stability and dynamic mechanical properties of GO-g-PS modified SBS composites were investigated.The results showed that PS was grafted onto the surface of GO.When the mass fraction of GO-g-PS was 0.03，the tensile strength and elongation at break of GO-g-PS modified SBS composites were higher.Compared with SBS and GO modified SBS composites，the physical properties，thermal stability and glass transition temperature in the high temperature region of GO-g-PS modified SBS composites were improved. |
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