Rheology of cellulosic N-methylmorpholine oxide monohydrate solutions

Authors
Petrovan, S Collier, JR Morton, GH
Citation
S. Petrovan et al., Rheology of cellulosic N-methylmorpholine oxide monohydrate solutions, J APPL POLY, 77(6), 2000, pp. 1369-1377
Citations number
8
Categorie Soggetti
Organic Chemistry/Polymer Science","Material Science & Engineering
Journal title
JOURNAL OF APPLIED POLYMER SCIENCE
ISSN journal
00218995 → ACNP
Volume
77
Issue
6
Year of publication
2000
Pages
1369 - 1377
Database
ISI
SICI code
0021-8995(20000808)77:6<1369:ROCNOM>2.0.ZU;2-X
Abstract
Shear dynamic and elongational rheology of concentrated solutions of cellul ose in N-methylmorpholine oxide monohydrate (lyocell) were investigated at different temperatures and for two Hencky strains. Shear thinning and strai n thinning behavior is characteristic for dynamic viscosity and effective e longational viscosity of lyocell solutions. Body forces, enthalpy, and entr opy of orientation are high at low temperature and high deformation rates, showing a strong orientation effect. (C) 2000 John Wiley & Sons, Inc.