Nanomechanical properties and thermal stability of recycled cellulose reinforced starch-gelatin polymer composite

ABSTRACT Samples of starch−gelatin polymer reinforced with 5% of recycled cellulose were prepared using an extrusion‐compression molding process. Nanoindentation and atomic force acoustic microscopy (AFAM) techniques were used to study the effect of reinforcement at nanoscale level. Nanoindentation...

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Bibliographic Details
Published in:Journal of applied polymer science 2015-04, Vol.132 (14), p.np-n/a
Main Authors: Rodríguez-Castellanos, Wendy, Flores-Ruiz, Francisco Javier, Martínez-Bustos, Fernando, Chiñas-Castillo, Fernando, Espinoza-Beltrán, Francisco Javier
Format: Article
Language:English
Subjects:
biodegradable
biopolymers and renewable polymers
Cellulose
cellulose and other wood products
extrusion
Hardness
Materials science
Modulus of elasticity
Nanoindentation
Nanostructure
Polymers
Recycled
Reinforcement
Thermal stability
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Summary:ABSTRACT Samples of starch−gelatin polymer reinforced with 5% of recycled cellulose were prepared using an extrusion‐compression molding process. Nanoindentation and atomic force acoustic microscopy (AFAM) techniques were used to study the effect of reinforcement at nanoscale level. Nanoindentation tests show a 163% increase in hardness and 123% of elastic modulus enhancement after recycled cellulose inclusion. AFAM shows that distribution of recycled cellulose into the polymer matrix is rather homogeneous at nanoscale which improves load transfer. Thermogravimetric analysis indicates an increase in thermal stability of the cellulose reinforced polymer matrix samples. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41787.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.41787