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Dynamic Mechanical Behavior of Photo-Crosslinkable Nonlinear Optical Polymers

Published online by Cambridge University Press:  25 February 2011

S. Marturunkakul ,
J. Y. Lee ,
S. K. Sengupta ,
J. Kumar  and
S. K. Tripathy
S. Marturunkakul
Affiliation:
Departments of Chemistry, University of Massachusetts at Lowell Lowell, MA 01854
J. Y. Lee
Affiliation:
Departments of Chemistry, University of Massachusetts at Lowell Lowell, MA 01854
S. K. Sengupta
Affiliation:
Departments of Chemistry, University of Massachusetts at Lowell Lowell, MA 01854
J. Kumar
Affiliation:
Physics, University of Massachusetts at Lowell Lowell, MA 01854
S. K. Tripathy
Affiliation:
Departments of Chemistry, University of Massachusetts at Lowell Lowell, MA 01854
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Abstract

An easily processable photocrosslinking guest-host system with stable second order nonlinear optical properties using polyvinylcinnamate as a host polymer has been developed1–2. Samples were made as free standing films from photo-crosslinkable polyvinylcinnamate and different concentration levels of 3-cinnamoyloxy-4-[4-(N, N'-diethylamino)-2-cinnamoyloxy phenyl azo] nitrobenzene. Photo-crosslinking was carried out by ultraviolet radiation at the major wavelengths viz. 297 and 313 nm subsequent to corona poling. Dynamic mechanical properties of these polymer films were investigated. The changes in the storage and loss moduli, as well as relaxation behavior of the system upon crosslinking and poling are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 247: Symposium N – Electrical, Optical, and Magnetic Properties of Organic Solid State Materials , 1992 , 229
Copyright
Copyright © Materials Research Society 1992

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References

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