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首页> 外文期刊>ACS Sustainable Chemistry & Engineering >Hydrogels Prepared from Cross-Linked Nanofibrillated Cellulose
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Hydrogels Prepared from Cross-Linked Nanofibrillated Cellulose

机译：由交联的纳米原纤化纤维素制备的水凝胶

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摘要

Nanocomposite hydrogels were developed by cross-linking nanofibrillated cellulose with poly(methyl vinyl ether-co-maleic acid) and polyethylene glycol. The cross-linked hydrogels showed enhanced water absorption and gel content with the addition of nanocellulose. In addition, the thermal stability, mechanical strength, and modulus increased with an increase in the amount of nanocellulose in hydrogels, and this can be attributed to efficient cross-linking between the nanocellulose and the matrix. The addition of softwood nanocellulose showed much higher strength and strain properties in the hydrogels than with the addition of hardwood nanocellulose. The enhanced physical properties confirm that in situ cross-linking of nanofibrillated cellulose with the matrix polymer forms hydrogels that are not just blends of starting materials but are distinctively unique and formed by cross-linking interactions between the filler and matrix.
机译：纳米复合水凝胶是通过将纳米原纤化纤维素与聚（甲基乙烯基醚-马来酸）和聚乙二醇交联而开发的。交联的水凝胶通过添加纳米纤维素显示出增强的吸水率和凝胶含量。另外，热稳定性，机械强度和模量随着水凝胶中纳米纤维素含量的增加而增加，这可以归因于纳米纤维素与基质之间的有效交联。与添加硬木纳米纤维素相比，软木纳米纤维素的添加在水凝胶中显示出更高的强度和应变特性。增强的物理性质证实，纳米原纤化纤维素与基质聚合物的原位交联形成水凝胶，其不仅是起始原料的混合物，而且具有独特性，并通过填料与基质之间的交联相互作用而形成。

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