| Water Absorption of Crosslinked Water Swellable Natural Rubber |
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| DOI： |
| Key Words: water swellable natural rubber；water absorption；cross |
| Author Name | Affiliation | | LIU Zhao | Hainan University | | WANG Bo-xiang | Hainan University | | LI Chao-qun | Hainan University | | LIAO Shuang-quan | Hainan University |
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| Abstract: |
| Water swellable natural rubber （WSNR） was prepared from natural rubber latex grafted with water absorbing monomer acrylic amide.In this study，two types of WSNR were prepared.One was crosslinked by sulfur and the other one was crosslinked by using water absorbing monomer，formaldehyde.The effect of crosslinking method on the water absorption of WSNR was then investigated.The results showed that the swelling ratio and repeated water adsorption of WSNR decreased with increase of crosslinking degree，while the storage moduli were enhanced.It was found that，with the increase of crosslinking degree，the capacity of bound water absorption and water retention decreased，the network structure was more compact， and the number of pores was reduced. |
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