Rheological Characterization of Lyocell So...

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Sprache: Englisch

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Beschreibung

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.

Über den Autor

Mr. Viralkumar was born in Dabhou, India. He received Postgraduate Diploma in petroleum engineering from Teesside University, UK and [...]. 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.

Details

Erscheinungsjahr:	2017
Fachbereich:	Chemische Technik
Genre:	Mathematik , Medizin , Naturwissenschaften , Technik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Inhalt:	64 S.
ISBN-13:	9783330329881
ISBN-10:	3330329882
Sprache:	Englisch
Einband:	Kartoniert / Broschiert
Autor:	Patel, Viralkumar Gupta, Amit Parthasarthy, Vijay
Hersteller:	LAP LAMBERT Academic Publishing
Verantwortliche Person für die EU:	preigu GmbH & Co. KG, Lengericher Landstr. 19, D-49078 Osnabrück, mail@preigu.de
Maße:	220 x 150 x 5 mm
Von/Mit:	Viralkumar Patel (u. a.)
Erscheinungsdatum:	04.07.2017
Gewicht:	0,113 kg