Rheological Characterization of Lyocell Solutions
Viralkumar Patel (u. a.)
ISBN 10: 3330329882 ISBN 13: 9783330329881
Published by LAP LAMBERT Academic Publishing, 2017
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Rheological Characterization of Lyocell Solutions | Viralkumar Patel (u. a.) | Taschenbuch | 64 S. | Englisch | 2017 | LAP LAMBERT Academic Publishing | EAN 9783330329881 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. Seller Inventory # 109401113
Synopsis:
The primary goals of the study were to prepare lyocell solutions from different wood pulps. An individual specific Protocol was developed for lyocell solution preparation from different cellulose sources. The cellulose sources included bleached hardwood and bleached softwood pulps. Rheological measurements were used to characterize the behaviour of lyocell solutions, i.e. cellulose dissolved in N-methyl morpholine N-oxide (NMMO) monohydrate. Complex viscosities were measured and influence of parameters such as cellulose source, concentration, DP (function of molecular weight) and temperature were studied. The dominance of viscous behaviour, G' values, over elastic behaviour, G" values, is affected by pulp type, concentration, molecular weight and degrees of polymerization (DP). At lower concentrations and degrees of polymerization, dissolving pulp solutions show viscous, inelastic behaviour at low frequencies. At higher concentration and DP, dissolving pulp solutions are more elastic at higher frequencies.
About the Author: Mr. Viralkumar was born in Dabhou, India. He received Postgraduate Diploma in petroleum engineering from Teesside University, UK and M.Tech. in process design engineering from University of Petroleum and Energy Studies, India, in 2014 and 2017 respectively. In March 2017, Viralkumar joined Pulp and Fiber Innovation Center, Aditya Birla Group.
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Bibliographic Details
Title: Rheological Characterization of Lyocell ...
Publisher: LAP LAMBERT Academic Publishing
Publication Date: 2017
Binding: Taschenbuch
Condition: Neu