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Jia, Baoquan, Jinping Zhou, and Lina Zhang. Carbohydrate Research 346.11 (2011): 1337-1341.
In this study, nano-fibrous mats were fabricated by electrospinning blend solutions of polyquaternium-4 cellulose (PQ-4) and polyvinyl alcohol (PVA). The preparation process began with dissolving PQ-4 in distilled water at room temperature to obtain clear solutions with concentrations of 2, 4, 7, and 8 wt%. Meanwhile, PVA was dispersed in distilled water and heated to 90 °C with continuous stirring for 1 hour to prepare 7 wt% and 10 wt% solutions.
For the electrospinning process, PQ-4 and PVA powders were blended at weight ratios of 1:3, 1:2, and 1:1, and the total polymer concentration was adjusted to 7 wt%. The mixture was stirred at 90 °C for 1 hour to achieve a homogeneous solution. The prepared polymer solutions were loaded into syringes equipped with fine-gauge needles and subjected to electrospinning under controlled parameters. The applied voltage, flow rate, and collector distance were optimized to ensure uniform fiber formation.
The resulting nano-fibrous mats exhibited enhanced mechanical properties and uniform fiber morphology, demonstrating the potential of PQ-4 as a functional additive in electrospun materials.