Rheological studies of shellac
D.N. Goswami
(Division of Lac Processing and Product Development, Indian Lac Research Institute, Namkum, Ranchi, Jharkhand, India)
P.C. Jha
(Division of Lac Processing and Product Development, Indian Lac Research Institute, Namkum, Ranchi, Jharkhand, India)
K. Mahato
(Division of Lac Processing and Product Development, Indian Lac Research Institute, Namkum, Ranchi, Jharkhand, India)
420
Abstract
The melt‐viscosity of shellac at various temperatures, the solution viscosity of shellac and the solution viscosity of several shellac‐based varnishes were investigated using a cone and plate rheometer. The study revealed information regarding yield stress (minimum force required for initiating flow) and thixotropic properties of shellac and shellac‐based materials. Such information will be useful for developing shellac‐based moulded articles and shellac‐based varnish compositions.
Keywords
Citation
Goswami, D.N., Jha, P.C. and Mahato, K. (2003), "Rheological studies of shellac", Pigment & Resin Technology, Vol. 32 No. 2, pp. 107-112. https://doi.org/10.1108/03699420310464810
Publisher
:MCB UP Ltd
Copyright © 2003, MCB UP Limited