| Preparation and water-absorbent property of starch/NaAA/NBR composites |
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| DOI： |
| Key Words: NBR；starch；sodium acrylate；composite；water absorbent property；physical property |
| Author Name | Affiliation | | SONG Shuai-shuai | Beijing University of Chemical Technology | | MA Jian-hua | Beijing University of Chemical Technology | | LIU Xiao-li | Beijing University of Chemical Technology | | WU You-ping | Beijing University of Chemical Technology |
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| Abstract: |
| Starch/NBR composite was prepared by emulsion co-coagulation method.Through neutralization reaction of sodium hydroxide and acrylic，sodium acrylate(NaAA) was prepared in situ in NBR compound，then starch/NaAA/NBR composites were prepared，and the physical properties and water-absorbent property were investigated.The results showed that，the physical properties of starch/NaAA/NBR composite through in situ formation of NaAA was better，but the water absorbent property was worse compared with starch/NaAA/NBR composite by adding NaAA directly；the volume welling ratio of starch/NaAA/NBR composite by adding NaAA directly was always increased，the starch/NaAA/NBR composite through in situ formation of NaAA
was increased first and then decreased as the time of soaking extended and the temperature rose，and the water-absorbent property of the former was better. |
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