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Tailoring the optical and thermomechanical properties of polymer host–guest systems

✍ Scribed by Thomas Hanemann; Kirsten Honnef

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
778 KB
Volume
122
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

For modern applications in microoptics, the refractive index (n) of polymers can be adjusted in a certain range by the addition of electron‐rich organic dopants. As an unwanted side effect, a pronounced plasticizing occurs. In this work, the addition of a crosslinker (divinylbenzene) to an unsaturated polyester matrix, doped with phenanthrene for n adjustment, allowed us to successfully suppress the plasticizing effect measured after polymerization. Even at high phenanthrene concentrations, the glass‐transition temperature of the initial polymer could be almost retained. An increase of the polymer n from 1.5684 to a value of 1.6425 was achieved. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011

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