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Cloud point of poly( N ‐isopropylmethacrylamide) solutions in water: is it really a point?
Author(s) -
Netopilík Miloš,
Bohdanecký Miloslav,
Chytrý Vladimír,
Ulbrich Karel
Publication year - 1997
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.1997.030180206
Subject(s) - cloud point , aqueous solution , range (aeronautics) , thermodynamics , phase transition , phase (matter) , point (geometry) , function (biology) , materials science , atmospheric temperature range , polymer chemistry , polymer science , chemical engineering , chemistry , physics , mathematics , composite material , organic chemistry , geometry , engineering , evolutionary biology , biology
Time‐dependent phase separation/transition was observed in aqueous solutions of poly( N ‐isopropylmethacrylamide) in the temperature range 38–42°C. The time before the second phase appears is a function of temperature and may reach up to several hours.