ABSTRACT An attempt was made to disclose super-molecular structure and mechanical properties of new cellulose filament prepared from cellulose-aqueous alkali solution system. X-Ray

crystallinity index χc(X) of the new cellulose filament was far higher than those of other commercial rayons, such as viscose including polynosic and cupro and was slightly lower than the

organic spun rayon. The new cellulose filament showed the lowest degree of crystal orientation among these three kinds of cellulose fibers, because of its lowest draft and stretching ratio

during the spinning process. In the new filament degree of the intramolecular hydrogen bondings (1−χam(C3)) estimated by 13C NMR method was highly developed. The mechanical loss tangent

respectively. Judging from the co relationships of these relaxation peak temperature _T_max to χc(X) and 1−χam(C3), we concluded that there exist two amorphous regions with well-developed

intramolecular hydrogen bonds but less advanced intermolecular hydrogen bonds and _vice-versa_ in the new filament. The results of thermally stimulated currency (TSC) measurements suggested

that the hydrophobic interaction among cellulose chains is tightly formed in the region with the well-developed intramolecular hydrogen bonds. In this regard, χTSC peak named here was found

to correspond to mechanical relaxation αsh. The tensile strength and elongation of the new filament were comparable to those of the regular viscose rayon. The new filament showed less

swelling ratio and low fibrillation nature in water. Woven fabrics made from the filament gave some softness and high abrasion, compared with other commercial ones and were hard to wrinkle.

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Natural & Synthetic Polymers, Asahi Chemical Industries Co., Ltd., Chihiro Yamane, Mariko Mori, Masatoshi Saito & Kunihiko Okajima Authors * Chihiro Yamane View author publications

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publications You can also search for this author inPubMed Google Scholar * Kunihiko Okajima View author publications You can also search for this author inPubMed Google Scholar RIGHTS AND

PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Yamane, C., Mori, M., Saito, M. _et al._ Structures and Mechanical Properties of Cellulose Filament Spun from

Cellulose/Aqueous NaOH Solution System. _Polym J_ 28, 1039–1047 (1996). https://doi.org/10.1295/polymj.28.1039 Download citation * Issue Date: 01 December 1996 * DOI:

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currently available for this article. Copy to clipboard Provided by the Springer Nature SharedIt content-sharing initiative KEYWORDS * Alkali Soluble Cellulose * Filament * Supermolecular

Structure * X-Ray Crystallinity * Intramolecular Hydrogen Bonds * Viscoelastic Properties * Mechanical Properties * Woven Fabrics