Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 25, Issue 24, Pages 2003-2007Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200400395
Keywords
blends; Fr-IR; high-throughput methods; nanoindentation; poly(lactic acid)
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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.
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