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Esem Study of Film Formation in Latices Polymerised in Presence of Starch

Published online by Cambridge University Press:  02 July 2020

N. Stelmashenko  and
A.M. Donald
N. Stelmashenko
Affiliation:
Cavendish Laboratory, Department of Physics, Cambridge University, Madingley Road, Cambridge, CB3 OHE, UK
A.M. Donald
Affiliation:
Cavendish Laboratory, Department of Physics, Cambridge University, Madingley Road, Cambridge, CB3 OHE, UK
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Extract

The Environmental Scanning Electron Microscope (ESEM) was used to study film-formation in vinyl latices polymerised in the presence of varying amount and type of starch. An understanding of the effect of native biopolymers on film forming mechanisms in latex has technological and industrial relevance because it can lead to the creation of novel latices with potentially lower cost and improved biosustainability.

Film formation studies were carried out on a range of samples selected by ICI Paints as the most promising candidates for the novel latices. These included vinyl latices polymerised with 2 - 15% of potato and waxy maize starch, taken either in native or modified. Normally, no surfactants were used during latex polymerisation; a few samples were prepared for comparative purposes when polymerisation was carried out both with and without the addition of surfactant. Latex films were spun-cast on glass slides before insertion into the microscope.

Type
New Trends in Scanning Electron Microscopy and Microanalysis
Information
Microscopy and Microanalysis , Volume 4 , Issue S2: Proceedings: Microscopy & Microanalysis '98, Microscopy Society of America 56th Annual Meeting, Microbeam Analysis Society 32nd Annual Meeting, Atlanta, Georgia July 12-16, 1998 , July 1998 , pp. 286 - 287
Copyright
Copyright © Microscopy Society of America

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References

1.Keddie, J. L. et al., ASC Symposium Series 648, (1996) 332.CrossRefGoogle Scholar
2. This work was funded by the European Commision - BRPR - CT96 - 203.Google Scholar