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| Hydrophilicity of Sodium Lignosulphonate and Its Wettability Against Different Hydrophobic Surface |
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| DOI：10.11980/j.issn.0254-508X.2015.12.006 |
| Key Words:sodium lignosulphonate macroporous resin hydrophilicity wettability |
| Fund Project:国家国际科技合作专项(2013DFA41670)。 |
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| Abstract:Macroporous resin adsorption and ultrafiltration were applied to prepare six sodium lignosulphonate(SL) fractions with different hydrophilicity. Their hydrophilicity, surface activity and the wettability against two hydrophobic surfaces of paraffin and pesticide were determined. The results showed that macroporous resin adsorption was feasible to classify sodium lignosulphonate according to their hydrophilicity. The SL adsorbed by strong polar macroporous resin had stronger hydrophilicity and weaker surface activity. The wettability of different SL fractions against paraffin and pesticide surface suggested that the hydrophilicity of SL should match the hydrophilicity of the surface to be wetted. As for acetamiprid, it had weak hydrophobicity and good water solubility, the SL with stronger hydrophilicity had better wettability. But for paraffin and carbendazim, the wettability of SL with weaker hydrophilicity would be better. |
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