Raman scattering measurements in monitoring of polymer synthesis process

M. Gnyba, Mikko Keränen, Janne Suhonen, Pentti Niemelä, Robert Bogdanowicz, Malgorzata Jedrzejewska-Szczerska

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

1 Citation (Scopus)

Abstract

A fiberoptic Raman spectroscopy system was adapted to remote measurements made in conditions typical for chemical industry. This technique was used to diagnose a process of synthesis of amine-epoxy based hybrid polymers, developed as a new class of adhesive materials for optics. Hybrids, manufactured in sol-gel technology, have a great application potential, because their properties may be formed in wide range. However, to obtain a high quality product, a strict control of the manufacturing process must be ensured. The main goal of research, presented in this paper, was to investigate the course and efficiency of the most important reactions, which takes part during the gelation -- the first step of the sol-gel process. An optical system developed for the real-time monitoring was connected with typical glass reaction vessel and non-invasive measurements were made. The results enabled to find the appropriate conditions for the reaction between amine and epoxy groups. Moreover, time of the hydrolysis of monomers and condensation of inorganic network was measured as well as efficiency of these reactions was proved to be very high.
Original languageEnglish
Title of host publicationLightmetry 2002: Metrology and Testing Techniques Using Light
EditorsMaksymilian Pluta, Mariusz Szyjer
PublisherInternational Society for Optics and Photonics SPIE
Pages103-108
ISBN (Print)0-8194-4870-2
DOIs
Publication statusPublished - 2003
MoE publication typeA4 Article in a conference publication
EventLightmetry 2002 - Warsaw, Poland
Duration: 14 May 200216 May 2002

Publication series

SeriesProceedings of SPIE
Volume5064
ISSN0277-786X

Conference

ConferenceLightmetry 2002
CountryPoland
CityWarsaw
Period14/05/0216/05/02

Keywords

  • Raman spectroscopy
  • synthesis
  • polymers
  • hybrid polymers
  • sol-gel materials
  • sol-gel process
  • gelation
  • optics

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