Interaction of Polyvinyl Pyrrolidone with Disazo Dyes
- 1 February 1987
- journal article
- research article
- Published by SAGE Publications in Textile Research Journal
- Vol. 57 (2) , 92-97
- https://doi.org/10.1177/004051758705700206
Abstract
The interaction between polyvinyl pyrrolidone (PVP) and two disazo dyes of different chemical composition has been examined from the results of spectrophotometry, con ductometry, and viscosity measurements. The amounts of PVP required for interaction with these dyes depend on the molecular weight of PVP. Changes in the configuration of the PVP molecule due to dye interaction depend on the amount of dye interacted as well as the molecular weight of PVP. The effect of PVP on the interaction between two disazo dyes has also been studied.Keywords
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