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Clay nanoplatelet induced morphological evolutions during polymeric foaming

DSpace at IIT Bombay

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Title Clay nanoplatelet induced morphological evolutions during polymeric foaming
 
Creator HARIKRISHNAN, G
PATRO, TU
UNNI, AR
KHAKHAR, DV
 
Subject HETEROGENEOUS NUCLEATION
NANOCOMPOSITES
SIMULATION
GROWTH
 
Description 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.
 
Publisher ROYAL SOC CHEMISTRY
 
Date 2012-06-26T09:34:50Z
2012-06-26T09:34:50Z
2011
 
Type Article
 
Identifier SOFT MATTER,7(15)6801-6804
1744-683X
http://dx.doi.org/10.1039/c1sm05670k
http://dspace.library.iitb.ac.in/jspui/handle/100/14300
 
Language English