NDLI: Physical properties and fibrillation tendency of regenerated cellulose fiber dry jet-wet spun from high-molecular weight cotton linter Pulp/NMMO solution

Content Provider	Springer Nature Link
Author	Yoo, Mi Kyong Reza, Mohammad Shamim Kim, Ik Mo Kim, Kap Jin
Copyright Year	2015
Abstract	This article describes an efficient method for suppressing fibrillation in as-spun regenerated cellulose fiber prepared using high molecular weight (DP 1600) cotton linter pulp/NMMO solution as the starting materials via Lyocell process. The regenerated cellulose fibers were spun using a custom-made lab scale dry jet-wet spinning apparatus, and their physical properties such as birefringence, crystallinity, orientation and lateral order indices, and fibrillation tendency were investigated. Further, the relationship between chain orientation and fibrillation tendency in the cellulose fibers were discussed as a function of varying molecular weights (DP 1000, 1600, and 1600/1000 (95/5) mixture), dope concentrations (6–13 wt%) and take-up speed (10, 30, and 50 m/min). Regenerated cellulose fibers spun from high molecular weight cotton linter pulp (DP 1600) at lower dope concentrations (6–8 wt%) exhibit least fibrillation behavior, whereas the cellulose fibers spun from higher dope concentration (9 wt%) using low molecular weight cotton linter pulp (DP 1000) as well as the mixture (DP 1600/1000 (95/5)) exhibited considerable amount of fibrillation. The results are reported in detail.
Starting Page	1618
Ending Page	1628
Page Count	11
File Format	PDF
ISSN	12299197
Journal	Fibers and Polymers
Volume Number	16
Issue Number	8
e-ISSN	18750052
Language	English
Publisher	The Korean Fiber Society
Publisher Date	2015-08-29
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Regenerated cellulose fiber Cotton linter Birefringence Anti-fibrillation Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering Polymers and Plastics

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