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High-Throughput Method for Determining Modulus of Polymer Blends

✍ Scribed by Carl G. Simon Jr.; Naomi Eidelman; Yan Deng; Newell R. Washburn

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
250 KB
Volume
25
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Summary: A method for rapidly determining the modulus of polymer blends was developed. A polymer blend gradient library of poly(L‐lactic acid) (PLLA) and poly(D,L‐lactic acid) (PDLLA) was created in the form of a strip‐shaped film and characterized with FTIR microspectroscopy. Nanoindentation measurements were made along the gradients to obtain modulus data over a wide range of PLLA‐PDLLA blend compositions. This novel, high‐throughput approach to material characterization provides engineers with a technique to accelerate the development of materials.

Deposition of the polymer composition gradient.

imageDeposition of the polymer composition gradient.

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