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Miscibility studies of polymer blends by viscometry methods
Author(s) -
Lizymol P. P.,
Thomas Sabu
Publication year - 1994
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1994.070510407
Subject(s) - miscibility , acrylonitrile , vinyl chloride , vinyl acetate , materials science , polymer chemistry , polymer , polyvinyl chloride , polymer blend , cyclohexanone , styrene , intrinsic viscosity , ethylene vinyl acetate , chemical engineering , copolymer , composite material , chemistry , organic chemistry , engineering , catalysis
The intrinsic viscosities of blends of poly(vinyl chloride)/poly(ethylene‐ co ‐vinyl acetate) (PVC/EVA), poly(vinyl chloride)/poly(styrene‐ co ‐acrylonitrile) (PVC/SAN), and poly(ethylene‐ co ‐vinyl acetate)/poly(styrene‐ co ‐acrylonitrile) (EVA/SAN) have been studied in cyclohexanone as a function of blend composition. In order to predict the compatibility of polymer pairs in solution, the interaction parameter term, Δb, obtained from the modified Krigbaum and Wall theory, and the difference in the intrinsic viscosities of the polymer mixtures and the weight average intrinsic viscosities of the two polymer solutions taken separately are used. © 1994 John Wiley & Sons, Inc.