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Gelling of Cellulose Nanowhiskers in Aqueous Suspension

机译:纤维素纳米晶须在水悬浮液中的凝胶化

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摘要

The gelling properties of a 0.46 wt % semi-dilute aqueous suspension of well-characterized nanocrystalline cellulose particles extracted from the tunic of marine animals were studied by measuring the time evolution of linear viscoelastic moduli at various frequencies. The results show the existence of a gel time characterized by a frequency-independent loss angle, which suggests that gelling is due to the growth of self-similar clusters, whose fractal dimension was determined.
机译:通过在各种频率下测量线性粘弹性模量的时间演变,研究了从海洋动物的外衣中提取的,特性良好的纳米晶纤维素颗粒的0.46 wt%半稀释水悬浮液的胶凝特性。结果表明存在着以频率无关的损耗角为特征的胶凝时间,这表明胶凝是由于自相似簇的生长所致,其分形维数已经确定。

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