Title of article
Cellulose nanocrystals/polyurethane nanocomposites. Study from the viewpoint of microphase separated structure
Author/Authors
Rueda، نويسنده , , L. and Saralegui، نويسنده , , A. and Fern?ndez d’Arlas، نويسنده , , B. and Zhou، نويسنده , , Q. and Berglund، نويسنده , , L.A. and Corcuera، نويسنده , , M.A. and Mondragon، نويسنده , , I. and Eceiza، نويسنده , , A.، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2013
Pages
7
From page
751
To page
757
Abstract
Cellulose nanocrystals (CNC) successfully obtained from microcrystalline cellulose (MCC) were dispersed in a thermoplastic polyurethane as matrix. Nanocomposites containing 1.5, 5, 10 and 30 wt% 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.
Keywords
Polyurethane , Hard and soft segments , crystallization , atomic force microscopy , Cellulose nanocrystals
Journal title
CARBOHYDRATE POLYMERS
Serial Year
2013
Journal title
CARBOHYDRATE POLYMERS
Record number
1624259
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