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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/14300

Title: Clay nanoplatelet induced morphological evolutions during polymeric foaming
Authors: HARIKRISHNAN, G
PATRO, TU
UNNI, AR
KHAKHAR, DV
Keywords: HETEROGENEOUS NUCLEATION
NANOCOMPOSITES
SIMULATION
GROWTH
Issue Date: 2011
Publisher: ROYAL SOC CHEMISTRY
Citation: SOFT MATTER,7(15)6801-6804
Abstract: Remarkable evolutionary changes in cell morphology during reactive polymer nanocomposite foaming are observed by controlled foaming of suspensions of montmorillonite clay in the oligomeric polyurethane component. Delaminated nanoplatelets, when present as a networked cluster in suspensions, are shown to have very high efficiency in generating gas embryos for bubble nucleation. In the post-nucleation foaming period, clay nanoplatelets show an additional de-wetting behavior. The packing fraction of clay platelets in suspension and the consequent suspension rheology affect the final foam morphology.
URI: http://dx.doi.org/10.1039/c1sm05670k
http://dspace.library.iitb.ac.in/jspui/handle/100/14300
ISSN: 1744-683X
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