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Quantification of Polystyrene Acylation by IR Spectroscopy. An Experiment on Polymer IR Analysis

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Martha Albores-Velasco and Elena G. Ramirez Lopez

DEPg Facultad de Quimica, U.N.A.M., Circuito Interior, Cuidad Universitaria, 04510 Mexico, D. F. , Mexico

J. Chem. Educ., 1997, 74 (5), p 551

DOI: 10.1021/ed074p551

Publication Date (Web): May 1, 1997

Abstract

An experiment which can be used by students of polymer chemistry for the quantification of acetyl or benzoyl groups in functionalyzed polystyrene is presented. It is based on the comparison of IR spectra of acetophenone-polystyrene or benzophenone-polystyrene mixtures with the spectra of functionalyzed polymers. Proton magnetic resonance was used to validate the method of acetyl quantification and ¹³C NMR to validate the IR method for the quantifcation of polystyrene benzoylation.

Keywords (Audience):

Graduate Education / Research

Keywords (Domain):

Polymer Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

IR Spectroscopy

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Received: August 03, 2009

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Article

Quantification of Polystyrene Acylation by IR Spectroscopy. An Experiment on Polymer IR Analysis

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History

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Related Content

Quantitative infrared spectroscopy of polystyrene block copolymer adsorbed on mica

Polymerization and Characterization of PMMA. Polymer Chemistry Laboratory Experiments for Undergraduate Students

Infrared Study of the Decomposition of Polystyrene over Supported Rhodium

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