Modification of regenerated cellulose fibres by cork-derived suberin and the cutin fraction from grape skins

IF 6.2 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymer Technologies and Applications Pub Date : 2024-11-22 DOI:10.1016/j.carpta.2024.100613

Kaniz Moriam , Catarina Azevedo , Sara Fateixa , Fábio Bernardo , Herbert Sixta , Dmitry V. Evtuguin

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Abstract

Regenerated cellulose fibres from dissolving pulp are a versatile alternative to cotton fibres on the path to the sustainable textile industry. In this study, cellulose fibres obtained by the Ioncell-F® process (Ioncell fibres) were modified by adding 10 % (w/w) of suberin compounds isolated from cork (SUB) or a cutin fraction from grape skins (CUT) in the spinning dope. Although both SUB and CUT modified fibres revealed higher hydrophobicity than unmodified fibres, fibres doped with CUT showed better waterproof performance than those doped with SUB. This was explained by the better retention of CUT than SUB on the regenerated fibres and by the higher hydrophobicity of CUT. Differences in the strength properties of Ioncell fibres obtained by pilot-scale dry-jet wet spinning were related to their physical structure, whereas dirt repellence and susceptibility to enzymatic hydrolysis depended on the occurrence and amounts of retained CUT or SUB.

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软木衍生的软木脂和葡萄皮中的果胶成分对再生纤维素纤维的改性作用

从溶解纸浆中提取的再生纤维素纤维是通往可持续纺织业道路上棉纤维的多功能替代品。在这项研究中，通过 Ioncell-F® 工艺获得的纤维素纤维（Ioncell 纤维）通过在纺纱涂料中添加 10 %（重量/重量）从软木中分离出来的单宁化合物（SUB）或从葡萄皮中分离出来的角质成分（CUT）进行改性。虽然经 SUB 和 CUT 改性的纤维都比未经改性的纤维具有更高的疏水性，但掺入 CUT 的纤维比掺入 SUB 的纤维具有更好的防水性能。这是因为 CUT 比 SUB 更好地保留在再生纤维上，而且 CUT 的疏水性更高。通过中试规模干喷湿纺获得的 Ioncell 纤维在强度特性上的差异与其物理结构有关，而防污性和对酶水解的敏感性则取决于所保留的 CUT 或 SUB 的存在和数量。

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来源期刊

Carbohydrate Polymer Technologies and Applications

CiteScore

8.70

自引率

0.00%

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