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Theta‐cosolvent solutions for poly(vinyl chloride) by cloud point and osmotic pressure measurements
Author(s) -
Hayduk W.,
Bromfield H. A.
Publication year - 1978
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.1978.070220111
Subject(s) - solubility , cloud point , vinyl chloride , titration , hildebrand solubility parameter , thermodynamics , chemistry , materials science , chemical engineering , polymer chemistry , analytical chemistry (journal) , aqueous solution , organic chemistry , physics , polymer , copolymer , engineering
The possibility of utilizing cloud point titrations for obtaining theta‐cosolvent compositions for PVC solutions was examined for a range of THF—nonsolvent systems. Hansen's 1–3 “radii of solubility spheres” were calculated for the various solvents and cosolvent solutions and compared with the observed solubility behavior. The application of theta‐cosolvent solutions for simplifying the determination of the number‐average molecular weight was also examined.