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Drying modes of polymer colloids

Holl, Y, Keddie, JL, McDonald, PJ and Winnik, WA (2001) Drying modes of polymer colloids ACS Symposium Series, 790. pp. 2-26.

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This chapter reviews the complex step of drying in the latex film formation process. Drying modes have a profound effect on drying rates and on the final properties of films, primarily through their influence on film morphology and the distribution of water-soluble species. Three distinct drying modes (acting separately, successively or together) can be defined, namely homogeneous drying (in which the water concentration remains uniform in the sample throughout the drying process), drying normal to the surface (where a dry layer of increasing thickness develops from the air surface of the latex coating); and lateral drying (where dry areas increase in size in a direction parallel to the substrate). Details are given on the current knowledge and understanding of these drying modes. The last section of the chapter considers the main parameters controlling the drying modes, i.e. thickness and geometric effects, the structure and rheology of the dispersion, particle viscoelasticity, and the overall rate of water loss.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Holl, Y
Winnik, WA
Date : 1 December 2001
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:43
Last Modified : 24 Jan 2020 21:09

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