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Enhanced Scratch Resistance of Nanocomposite Gelatin Films

Published online by Cambridge University Press:  01 February 2011

Quan Chen ,
Linda S. Schadler ,
Richard W. Siegel ,
Glen C. Irvin Jr  and
John Mendel
Quan Chen
Affiliation:
Rensselaer Nanotechnology Center, Rensselaer Polytechnic Institute, Troy, NY 12180, U.S.A.
Linda S. Schadler
Affiliation:
Rensselaer Nanotechnology Center, Rensselaer Polytechnic Institute, Troy, NY 12180, U.S.A.
Richard W. Siegel
Affiliation:
Rensselaer Nanotechnology Center, Rensselaer Polytechnic Institute, Troy, NY 12180, U.S.A.
Glen C. Irvin Jr
Affiliation:
Eastman Kodak Company, Rochester, NY 14652, U.S.A.
John Mendel
Affiliation:
Eastman Kodak Company, Rochester, NY 14652, U.S.A.
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Abstract

Nanocomposites were made using deionized gelatin filled with well-dispersed nanoscale alumina particles. Scratch tests on the nanocomposite films showed substantially improved scratch resistance. Tensile tests revealed increases in both modulus and tensile strength of the nano-filled gelatin films accompanied by a decrease in strain-to-failure. The increase in modulus and strength reduced the degree of plastic deformation during scratch testing, but the onset of periodic cracking in the scratch track was unaffected. Optical transmittance measurements of the gelatin composite showed that the films retained transparency in the visible light range.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 733: Symposium T – Polymer Nanocomposites , 2002 , T1.12
Copyright
Copyright © Materials Research Society 2002

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