Novel Swelling-Resistant Sodium Alginate Membrane Branching Modified by Glycogen for Highly Aqueous Ethanol Solution Pervaporation
作者： Chen-Hao Ji , Shuang-Mei Xue , Zhen-Liang Xu
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摘要: A novel carbohydrate chain cross-linking method of sodium alginate (SA) is proposed in which glycogen with the branched-chain structure utilized to cross-link SA matrix by bridging glutaraldehyde (GA). The active layer composite ceramic membrane modified and GA for pervaporation (PV) demonstrates great advantages. branched increases density layer, compresses free volume between chains SA. Large amounts hydroxyl groups are consumed during reaction GA, reduces hydrogen bond formation water molecules polysaccharide matrix. two factors benefit improvement swelling resistance, promoting potential dehydration an ethanol–water solution containing high content. Meanwhile, loaded on rigid α-Al2O3 dip-coating enhancement anti-deforma...
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