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Sub-micron sized saccharide fibres via electrospinning

机译:通过静电纺丝的亚微米级糖类纤维

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In this work, the production of continuous submicron diameter saccharide fibres is shown to be possible using the electrospinning process. The mechanism for the formation of electrospun polymer fibres is usually attributed to the physical entanglement of long molecular chains. The ability to electrospin continuous fibre from a low molecular weight saccharides was an unexpected phenomenon. The formation of sub-micron diameter “sugar syrup” fibres was observed in situ using highspeed video. The trajectory of the electrospun saccharide fibre was observed to follow that typical of electrospun polymers. Based on initial food grade glucose syrup tests, various solutions based on combinations of syrup components, i.e. mono-, di- and tri-saccharides, were investigated to map out materials and electrospinning conditions thatwould lead to the formation of fibre. Thiswork demonstrated that sucrose exhibits the highest propensity for fibre formation during electrospinning amongst the various types of saccharide solutions studied. The possibility of electrospinning low molecular weight saccharides into sub-micron fibres has implications for the electrospinability of supramolecular polymers and other biomaterials.
机译:在这项工作中,使用电纺丝工艺可以生产出亚微米直径的连续糖纤维。电纺聚合物纤维形成的机理通常归因于长分子链的物理缠结。从低分子量糖中静电纺出连续纤维的能力是出乎意料的现象。使用高速视频原位观察到亚微米直径的“糖浆”纤维的形成。观察到电纺糖纤维的轨迹遵循电纺聚合物的典型轨迹。基于最初的食品级葡萄糖浆测试,研究了基于糖浆成分(即单糖,二糖和三糖)组合的各种溶液,以绘制出会导致纤维形成的材料和静电纺丝条件。这项工作表明,在研究的各种类型的糖溶液中,蔗糖在静电纺丝过程中表现出最高的纤维形成倾向。将低分子量糖类静电纺制成亚微米纤维的可能性对超分子聚合物和其他生物材料的电纺性具有影响。

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