使用HighPerCell®技术通过干喷湿纺丝从大麻浆中提取新一代纤维细丝

IF 4 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Fibers Pub Date : 2023-10-26 DOI:10.3390/fib11110090
Antje Ota, Marc Philip Vocht, Ronald Beyer, Anne Reboux, Charles Reboux, Frank Hermanutz
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引用次数: 0

摘要

纤维素纤维的需求量正在迅速增加;然而,这些纤维主要是基于使用木浆(WP),这往往有很长的运输时间,因此,高二氧化碳足迹。因此,基于非木材、一年生快速生长植物的替代纸浆是满足原材料和资源需求的一种选择。在此,我们报告了一种新开发的大麻浆(HP)用于人造纤维素纤维长丝纺丝。以商用WP作为参考材料。虽然HP可以直接使用,不需要任何进一步的预处理,但要使用木浆需要额外的步骤来调整聚合度(DP)。以1-乙基-3-甲基咪唑辛酸盐([C2C1im][Oc])为溶剂,采用一种新型干喷湿纺(HighPerCell®工艺)技术纺出连续长丝。通过这种方法,可以纺出数千米(12,000 - 15,000米)的连续多丝细丝。HP浆具有良好的纺丝性能。这种新方法可以制备纤维纤维,用于高拉伸强度的技术或具有低纤维性倾向的纺织品。纺织麻基长丝被用于第一次编织试验,结果是一个完美的织物。
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Next-Generation Cellulosic Filaments from Hemp Pulp via Dry-Jet Wet Spinning Using HighPerCell® Technology
Fiber demand of cellulosic fibers is rapidly increasing; however, these fibers are mainly based on the use of wood pulp (WP), which often have long transport times and, consequently, a high CO2 footprint. So, alternative pulps based on non-wood, annual fast-growing plants are an option to cover the demand for raw materials and resources. Herein, we report on the use of a novel developed hemp pulp (HP) for man-made cellulosic fiber filament spinning. Commercial WP was used as a reference material. While HP could be used and directly spun as received without any further pretreatment, an additional step to adjust the degree of polymerization (DP) was needed to use the wood pulp. Continuous filaments were spun using a novel dry-jet wet spinning (HighPerCell® process) technique, which is based on the use of 1-ethyl-3-methylimidazolium octanoate ([C2C1im][Oc]) as a solvent. Via this approach, several thousand meters (12,000 m–15,000 m) of continuous multifilament filaments were spun. The HP pulps showed excellent spinning performance. The novel approach allows the preparation of cellulosic fibers for either technical—with high tensile strength—or textile—possessing a low fibrillation tendency—applications. Textile hemp-based filaments were used for first weaving trials, resulting in a flawless fabric.
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来源期刊
Fibers
Fibers Engineering-Civil and Structural Engineering
CiteScore
7.00
自引率
7.70%
发文量
92
审稿时长
11 weeks
期刊介绍: Fibers (ISSN 2079-6439) is a peer-reviewed scientific journal that publishes original articles, critical reviews, research notes and short communications on the materials science and all other empirical and theoretical studies of fibers, providing a forum for integrating fiber research across many disciplines. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files or software regarding the full details of the calculation and experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material. The following topics are relevant and within the scope of this journal: -textile fibers -natural fibers and biological microfibrils -metallic fibers -optic fibers -carbon fibers -silicon carbide fibers -fiberglass -mineral fibers -cellulose fibers -polymer fibers -microfibers, nanofibers and nanotubes -new processing methods for fibers -chemistry of fiber materials -physical properties of fibers -exposure to and toxicology of fibers -biokinetics of fibers -the diversity of fiber origins
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