| Preparation of Crosslinked Nanospheres of α-Methyl Styrene and Acrylonitrile Copolymer and Investigation of Interfacial Interaction between Nanospheres and Rubber |
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| DOI： |
| Key Words: nanosphere；EPM；crosslinking reaction；curing behavior；physical property |
| Author Name | Affiliation | | ZHANG Huimei | Beijing University of Chemical Technology | | LU Ming | Beijing University of Chemical Technology | | HE Bo | Beijing University of Chemical Technology | | ZHANG Liqun | Beijing University of Chemical Technology | | LIU Yakang | Beijing University of Chemical Technology |
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| Abstract: |
| The α-methyl styrene and acrylonitrile copolymer nanospheres（MStAN） were prepared by emulsion polymerization of α-methyl styrene（α-MSt） and acrylonitrile（AN），and using divinyl benzene（DVB） as crosslinking agent.The properties of the MStAN nanospheres were then investigated.The dispersion of MStAN nanospheres in EPM was good，and the pendant vinyl groups on the surface of nanospheres could participate in the crosslinking reaction in the vulcanization process.As the content of crosslinking agent DVB increased，the surface vinyl groups content of nanospheres increased at first and then decreased.As the content of initiator APS increased，the surface vinyl group content of nanospheres decreased.Compared with those of EPM vulcanizates，the physical properties of MStAN/EPM composites were significantly improved.When the content of surface vinyl groups was higher，the reinforcing effect of MStAN nanospheres on the rubber was better. |
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