Cellulose nanocrystals/polyurethane nanocomposites. Study from the viewpoint of microphase separated structure

L. Rueda; A. Saralegui; B. Fernández D'Arlas; Q. Zhou; L. A. Berglund; M. A. Corcuera; I. Mondragon; A. Eceiza

doi:10.1016/j.carbpol.2012.09.093

Cellulose nanocrystals/polyurethane nanocomposites. Study from the viewpoint of microphase separated structure

L. Rueda
, A. Saralegui
, B. Fernández D'Arlas
, Q. Zhou
, L. A. Berglund
, M. A. Corcuera
, I. Mondragon
, A. Eceiza^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

135 Citations (Scopus)

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.

Original language	English
Pages (from-to)	751-757
Number of pages	7
Journal	Carbohydrate Polymers
Volume	92
Issue number	1
DOIs	https://doi.org/10.1016/j.carbpol.2012.09.093
Publication status	Published - 30 Jan 2013
Externally published	Yes

Keywords

Atomic force microscopy
Cellulose nanocrystals
Crystallization
Hard and soft segments
Polyurethane

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10.1016/j.carbpol.2012.09.093

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title = "Cellulose nanocrystals/polyurethane nanocomposites. Study from the viewpoint of microphase separated structure",

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 = "Atomic force microscopy, Cellulose nanocrystals, Crystallization, Hard and soft segments, Polyurethane",

author = "L. Rueda and A. Saralegui and \{Fern{\'a}ndez D'Arlas\}, B. and Q. Zhou and Berglund, \{L. A.\} and Corcuera, \{M. A.\} and I. Mondragon and A. Eceiza",

year = "2013",

month = jan,

day = "30",

doi = "10.1016/j.carbpol.2012.09.093",

language = "English",

volume = "92",

pages = "751--757",

journal = "Carbohydrate Polymers",

issn = "0144-8617",

publisher = "Elsevier Ltd.",

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}

TY - JOUR

T1 - Cellulose nanocrystals/polyurethane nanocomposites. Study from the viewpoint of microphase separated structure

AU - Rueda, L.

AU - Saralegui, A.

AU - Fernández D'Arlas, B.

AU - Zhou, Q.

AU - Berglund, L. A.

AU - Corcuera, M. A.

AU - Mondragon, I.

AU - Eceiza, A.

PY - 2013/1/30

Y1 - 2013/1/30

N2 - 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.

AB - 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.

KW - Atomic force microscopy

KW - Cellulose nanocrystals

KW - Crystallization

KW - Hard and soft segments

KW - Polyurethane

UR - https://www.scopus.com/pages/publications/84868250678

U2 - 10.1016/j.carbpol.2012.09.093

DO - 10.1016/j.carbpol.2012.09.093

M3 - Article

C2 - 23218363

AN - SCOPUS:84868250678

SN - 0144-8617

VL - 92

SP - 751

EP - 757

JO - Carbohydrate Polymers

JF - Carbohydrate Polymers

IS - 1

ER -

Cellulose nanocrystals/polyurethane nanocomposites. Study from the viewpoint of microphase separated structure

Abstract

Keywords

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