Hidden Bibliographic Details
| ISBN: | 9783319045559
3319045555
3319045547
9783319045542
9783319045542
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| Notes: | "Doctoral thesis accepted by Jawaharlal Nehru University, New Delhi, India."
Includes bibliographical references.
Online resource; title from PDF title page (SpringerLink, viewed June 18, 2014).
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| Summary: | This thesis explores the dispersion stability, microstructure and phase transitions involved in the nanoclay system. It describes the recently discovered formation of colloidal gels via two routes: the first is through phase separation and second is by equilibrium gelation and includes the first reported experimental observation of a system with high aspect ratio nanodiscs. The phase behavior of anisotropic nanodiscs of different aspect ratio in their individual and mixed states in aqueous and hydrophobic mediais investigated. Distinct phase separation, equilibrium fluid and equilibrium gel phasesare observed in nanoclay dispersions with extensive aging. The work thenexplores solution behavior, gelation kinetics, aging dynamics and temperature-induced ordering in the individual and mixed states of these discotic colloids. Anisotropic ordering dynamics induced by a water-air interface, waiting time and temperature in these dispersions were studied in great detail along with aggregation behavior of nanoplatelets in hydrophobic environment of alcohol solutions.
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| Other form: | Printed edition: 9783319045542
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| Standard no.: | 10.1007/978-3-319-04555-9
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