Document Detail


Cellulose nanocrystals/polyurethane nanocomposites. Study from the viewpoint of microphase separated structure.
MedLine Citation:
PMID:  23218363     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Cellulose nanocrystals (CNC) successfully obtained from microcrystalline cellulose (MCC) were dispersed in a thermoplastic polyurethane as matrix. Nanocomposites containing 1.5, 5, 10 and 30wt% CNC were prepared by solvent casting procedure and properties of the resulting films were evaluated from the viewpoint of polyurethane microphase separated structure, soft and hard domains. CNC were effectively dispersed in the segmented thermoplastic elastomeric polyurethane (STPUE) matrix due to the favorable matrix-nanocrystals interactions through hydrogen bonding. Cellulose nanocrystals interacted with both soft and hard segments, enhancing stiffness and stability versus temperature of the nanocomposites. Thermal and mechanical properties of STPUE/CNC nanocomposites have been associated to the generated morphologies investigated by AFM images.
Authors:
L Rueda; A Saralegui; B Fernández d'Arlas; Q Zhou; L A Berglund; M A Corcuera; I Mondragon; A Eceiza
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Publication Detail:
Type:  Journal Article     Date:  2012-10-09
Journal Detail:
Title:  Carbohydrate polymers     Volume:  92     ISSN:  1879-1344     ISO Abbreviation:  Carbohydr Polym     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2012-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8307156     Medline TA:  Carbohydr Polym     Country:  England    
Other Details:
Languages:  eng     Pagination:  751-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
'Materials+Technologies' Group, Department of Chemical and Environmental Engineering, Polytechnic School, University of the Basque Country, Pza. Europa 1, 20018 Donostia-San Sebastián, Spain.
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