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Formation of Ultrathin Polystyrene Films in Adsorbed Surfactant Bilayers on Silica

Published online by Cambridge University Press:  15 February 2011

John H. O'Haver ,
Jeffrey H. Harwell ,
Edgar A. O'Rear ,
Walter H. Waddell ,
Linda J. Snodgrass  and
James R. Parker
John H. O'Haver
Affiliation:
Surfactant Associates Inc., Norman, Oklahoma, 73070 School of Chemical Engineering and Materials Science, University of Oklahoma, Norman, Oklahoma, 73019.
Jeffrey H. Harwell
Affiliation:
Surfactant Associates Inc., Norman, Oklahoma, 73070 School of Chemical Engineering and Materials Science, University of Oklahoma, Norman, Oklahoma, 73019.
Edgar A. O'Rear
Affiliation:
Surfactant Associates Inc., Norman, Oklahoma, 73070 School of Chemical Engineering and Materials Science, University of Oklahoma, Norman, Oklahoma, 73019.
Walter H. Waddell
Affiliation:
PPG Industries, Pittsburgh, Pennsylvania, 15146
Linda J. Snodgrass
Affiliation:
PPG Industries, Pittsburgh, Pennsylvania, 15146
James R. Parker
Affiliation:
PPG Industries, Pittsburgh, Pennsylvania, 15146
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Extract

Adsorbed surfactant bilayers on silica are proposed as the reaction site for the formation of ultrathin polystyrene films. Results from the polymerization of styrene in cetyl trimethyl ammonium bromide bilayers show effective conversion of adsolubilized monomer to polymer. The process has been demonstrated for a variety of precipitated silica substrates and for two types of initiation schemes. The polymer formed has been extracted and characterized using PA-FTIR, NMR, UV, and GPC. The molecular weight of polymer formed has also been investigated with respect to polymerization time.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 304: Symposium H – Polymer/Inorganic Interfaces , 1993 , 161
Copyright
Copyright © Materials Research Society 1993

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References

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