| Synthesis and characterization of SBR latex grafted with acrylic acid |
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| DOI： |
| Key Words: SBR latex；acrylic acid；graft copolymerization；graft SBR；PA-6 |
| Author Name | Affiliation | | XIA Haibing | Beijing University | | PENG Jing | Beijing University | | QIAO Jinliang | Beijing Research Institute of Chemical Technology | | WEI Genshuan | Beijing Research Institute of Chemical Technology |
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| Abstract: |
| The acrylic acid-grafted SBR (SBR-g-AA) latex was synthesised with oxidation-reduction initiating system at the room temperature in the presence of air.The affecting factors on the graft yield R，the structure of grafted latex and the physical properties of PA-6/SBR-g-AA latex were investigated.The test results showed that the order of the affecting factors on R were as follows：content of initiator (tert-butyl hydroperoxide or tetraethylene pentamine)＞content of acrylic acid＞reaction period；the particle size of SBR-g-AA latex increased a little，and its distribution became wider；SBR-g-AA latex could be used to improve the impact strength and tensile strength of PA-6. |
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