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The desorbing action of polyvinylpyrrolidone
Author(s) -
Nishida Kenzo,
Ando Yutaka,
Toriumi Shingo
Publication year - 1988
Publication title -
journal of the society of dyers and colourists
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.297
H-Index - 49
eISSN - 1478-4408
pISSN - 0037-9859
DOI - 10.1111/j.1478-4408.1988.tb01151.x
Subject(s) - polyvinylpyrrolidone , cationic polymerization , viscometer , chemistry , enthalpy , polymer , entropy (arrow of time) , spectroscopy , computational chemistry , thermodynamics , polymer chemistry , organic chemistry , physics , viscosity , quantum mechanics
Work has been carried out to obtain an understanding of the interaction between a cationic (basic) dye and polyvinylpyrrolidone, using visible absorption spectroscopy and viscometry. Changes in the enthalpy, entropy and number of binding sites on the polymer have been calculated.