In situ monitoring of styrene polymerization using Raman spectroscopy. Multi‐scale approach of homogeneous and heterogeneous polymerization processes | Zendy

Brun Nadège | Zendy; Youssef Itab | Zendy; Chevrel MarieClaire | Zendy; Chapron David | Zendy; Schrauwen Cornélius | Zendy; Hoppe Sandrine | Zendy; Bourson Patrice | Zendy; Durand Alain | Zendy

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In situ monitoring of styrene polymerization using Raman spectroscopy. Multi‐scale approach of homogeneous and heterogeneous polymerization processes

Author(s) -

Brun Nadège,

Youssef Itab,

Chevrel MarieClaire,

Chapron David,

Schrauwen Cornélius,

Hoppe Sandrine,

Bourson Patrice,

Durand Alain

Publication year - 2013

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.4279

Subject(s) - miniemulsion , raman spectroscopy , polymerization , emulsion polymerization , styrene , materials science , rheometer , radical polymerization , polymer chemistry , chemical engineering , analytical chemistry (journal) , chemistry , polymer , rheology , organic chemistry , copolymer , composite material , optics , physics , engineering

Free radical polymerization of styrene was monitored in situ by combining Raman spectroscopy to other experimental techniques (gravimetry and rheology). Three different processes were investigated: bulk, emulsion and miniemulsion polymerization. A complete analysis of the evolution of Raman spectrum during the course of reaction showed that a lot of information about molecular dynamics could be extracted and related to chemical phenomena. In addition, we report for the first time the coupling of Raman spectroscopy to a rheometer in order to monitor styrene bulk polymerization both at the scale of chemical bonds and at the scale of macroscopic phenomena (viscosity variation). Copyright © 2013 John Wiley & Sons, Ltd.

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