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首页> 外文期刊>Journal of Wood Chemistry and Technology >Electrospinning with Condensed Tannins: Effects on Co-spinning with Zein
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Electrospinning with Condensed Tannins: Effects on Co-spinning with Zein

机译：缩合单宁的静电纺丝：对玉米蛋白共纺的影响

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摘要

Electrospinning can be applied to renewables creating new materials and applications. We have utilized electrospinning in an attempt to create nanofibers from condensed tannins as well as from binary conjugates formed between this tannin with zein protein. While attempts to directly electrospin pine bark tannin extract proved unsuccessful, combining zein with this tannin gave electrospun fiber from acetic acid and dimethyl formamide (DMF) solutions. To achieve nanofibers possessing significant tannin content, high solids content (≥35%) in DMF solution was required. Electrospun nanofibers (200-400 nm dia.) could be created from zein-tannin combinations with up to 80% tannin content and appropriate solution solids content. Nanofibers could be produced from pre-formed tannin-zein conjugates or via their direct combination as a mixture in the spinning solution. Analysis of thermal stability shows the zein-tannin conjugates have similar thermal properties and stability to zein, being stable up to 240cC.
机译：静电纺丝可以应用于可再生能源，以创造新的材料和应用。我们已经利用静电纺丝来尝试从缩合的单宁酸以及这种单宁酸与玉米醇溶蛋白之间形成的二元共轭物来制造纳米纤维。虽然尝试直接静电纺制松树皮单宁提取物的尝试没有成功，但是将玉米蛋白与这种单宁结合使用，可以从乙酸和二甲基甲酰胺（DMF）溶液中纺出纤维。为了获得具有显着单宁含量的纳米纤维，需要在DMF溶液中具有高固含量（≥35％）。静电纺丝纳米纤维（直径200-400 nm）可以由玉米蛋白-单宁组合物制成，其单宁含量高达80％，溶液固形物含量合适。纳米纤维可以由预先形成的单宁-玉米醇溶蛋白共轭物制成，也可以由它们直接混合制成纺丝溶液中的混合物。热稳定性分析表明，玉米醇溶蛋白-鞣质共轭物具有与玉米醇溶蛋白相似的热性能和稳定性，在高达240cC的温度下稳定。

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