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Photopolymerization Dynamics Studies of Acrolein on Al, Ni, and Au Substrates Using Surface Second Harmonic Generation

Published online by Cambridge University Press:  15 February 2011

Fang Chen ,
Suchitra Subrahmanyan  and
Hilary S. Lackritz
Fang Chen
Affiliation:
School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-1283
Suchitra Subrahmanyan
Affiliation:
School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-1283
Hilary S. Lackritz
Affiliation:
School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-1283
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Abstract

The dynamics of the gas phase photopolymerization of acrolein on aluminum (Al), nickel (Ni), and gold (Au) substrates were studied in-situ and in real time using surface second harmonic generation (SSHG) and monitoring vapor pressure decay. The Al and Ni substrates had a significant effect on the apparent rate of polymerization. A dark reaction after irradiation occurred in the absence of metal (Al or Ni) substrates, but no dark reaction was observed when the metal substrates were present. The significant differences in the metal/monomer interactions during photopolymerization are indicated by SEMs of the polyacrolein, as well as evidence from FTIR-ATR spectra. The SSHG intensities from the Au, Al, and polyacrolein surfaces were obtained.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 385: Symposium N – Polymer/Inorganic Interfaces II , 1995 , 3
Copyright
Copyright © Materials Research Society 1995

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References

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