| Structure and properties of starch/SBR composite |
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| DOI： |
| Key Words: starch;SBR latex;composite;modification;reinforcement |
| Author Name | Affiliation | | QI Qing | Beijing University of Chemical Technology | | WU You-ping | Beijing University of Chemical Technology | | LIANG Gui-hua | Beijing University of Chemical Technology | | ZHANG Li-qun | Beijing University of Chemical Technology |
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| Abstract: |
| A starch/SBR composite was prepared by blending and co-coagulation of water solution of starch and SBR latex，and its structure and properties were investigated.The results showed that in comparison to SBR，the starch/SBR composite gave shorter scorch time and lower curing rate，and as the starch loading increased，ML and MH of the composite increased，and its Shore A hardness，modulus at 300%，tensile strength and tear strength increased significantly；a better boundary bonding was formed between starch and SBR，and the starch with smaller particle size was dispersed in SBR matrix；as the starch loading increased，the shear storage modulus of the composite increased and the tensile storage modulus at high temperature increased gradually；and the composite had only one Tg temperature indicating no characteristics of two-phase structure |
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