In situ Spectroscopy of Polymers Subjected to Supercritical CO2: Plasticization and Dye Impregnation-Reference-Cited by-同舟云学术

In situ Spectroscopy of Polymers Subjected to Supercritical CO2: Plasticization and Dye Impregnation

Published:1997-04 Issue:4 Volume:51 Page:491-494
ISSN:0003-7028
Container-title:Applied Spectroscopy
language:en
Short-container-title:Appl Spectrosc

Author:

Kazarian Sergei G.¹,Brantley Noel H.¹,West Barry L.¹,Vincent Michael F.¹,Eckert Charles A.¹

Affiliation:

1. School of Chemical Engineering and Specialty Separations Center, Georgia Institute of Technology, Atlanta, Georgia 30332-0100

Abstract

In situ FT-IR spectroscopy has been used to study poly(methyl methacrylate) films subjected to high-pressure and supercritical CO2. Spectral changes indicate increased molecular mobility of ester groups due to the plasticization effect of CO2 on PMMA. This increase in PMMA segmental mobility has been used to impregnate Disperse Red 1 dye (DR1) into polymer film from a supercritical fluid solution. The enhanced diffusion process was observed in situ via FT-IR and UV/vis spectroscopy.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Link

http://journals.sagepub.com/doi/pdf/10.1366/0003702971940765

Reference31 articles.

1. Dispersion Polymerizations in Supercritical Carbon Dioxide

2. Polymer/Metal Nanocomposite Synthesis in Supercritical CO2

3. Specific Intermolecular Interaction of Carbon Dioxide with Polymers

4. Infrared cell for supercritical fluid–polymer interactions

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