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Anomalous Phase Inversion in Polymer Blends Prepared by Cryogenic Mechanical

Summary: Anomalous Phase Inversion in Polymer
Blends Prepared by Cryogenic Mechanical
Archie P. Smith,, Harald Ade,*, Steven D. Smith,|
Carl C. Koch, and Richard J. Spontak*,,
Departments of Materials Science and Engineering, Physics,
and Chemical Engineering, North Carolina State
University, Raleigh, North Carolina 27695; and Corporate
Research Division, The Procter and Gamble Company,
Cincinnati, Ohio 45239
Received July 5, 2000
Recent efforts have demonstrated that solid-state
processing methods, such as cryogenic mechanical al-
loying (CMA)1 and solid-state shear pulverization (S3P),2
offer alternative strategies for producing highly dis-
persed multicomponent polymer blends. By their very
nature, these processes yield fine powders, which must
be subsequently consolidated or melt-processed to form
objects. While nanoscale dispersion of one polymer
within the matrix of another has been achieved without


Source: Ade, Harald W.- Department of Physics, North Carolina State University


Collections: Physics