Quang Tho Pham - Proton & Carbon NMR Spectra of Polymers

Quang Tho Pham, Roger Ptiaud, Hugues Waton

CNRS - Service Central dAnalyse - Lyon, France

and Marie-France Llauro-Darricades

CNRS - Laboratoire des Matriaux Organiques - Lyon, France

First published in Great Britain in 1991 by

Penton Press Ltd

First published in the USA in 1991 by

CRC Press, Inc

Taylor & Francis Group

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1991 by Taylor & Francis Group, LLC

CRC Press is an imprint of Taylor & Francis Group, an Informa business

No claim to original U.S. Government works

ISBN 13: 978-0-8493-7728-0 (hbk)

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British Library Cataloguing-in-Publication Data

Proton and carbon NMR spectra of polymers.

I. Pham, Quang Tho

547.7

ISBN 1-85718-000-3

Library of Congress Cataloguing-in-Publication Data

Proton and carbon NMR spectra of polymers / Quang Tho Pham ... [et al.].

p. cm.

Rev. ed. of: Proton and carbon NMR spectra of polymers / Quang Tho Pham, Roger Ptiaud, Hugues Waton. Vols. 2-3. c1983-c1984.

Includes bibliographical references (p. 459)

ISBN 0-8493-7728-5

1. Polymers-Spectra--Charts, diagrams, etc. 2. Proton magnetic resonance spectroscopy--Charts, diagrams, etc. 3. Nuclear magnetic resonance spectroscopy--Charts, diagrams, etc. 4. Carbon--Isotopes--Spectra--Charts, diagrams, etc. I. Pham, Quang Tho. II. Pham, Quang Tho. Proton and carbon NMR spectra of polymers.

QC463.P5P76 1991

547.7046--dc20 91-20260

CIP

Since the third edition of this book was published, some 150 new NMR polymer spectra have been obtained and these are included in the present (fourth) edition, together with those previously published. Altogether this edition contains a total of 433 proton and carbon NMR spectra, together with relevant bibliographical material and references.

The polymer spectra are grouped in families and are arranged in alphabetical order: acrylics, amides, dienes, esters, ethers, miscellaneous, olefins, siloxanes, styrenes and derivatives, urethanes, vinyls and vinylidenes. All the known 1H and 13C resonances are reported; the corresponding published works can be found in the references.

In order to obtain acceptable spectral resolution, solutions of polymers are examined at high temperature ( 180 C), thus hexamethyldisiloxane (HMDS) or dioxane instead of tetramethylsilane (TMS) are frequently used as internal reference. The chemical shifts given here are calculated relative to TMS. The values of the chemical shift of HMDS relative to TMS in some common solvents are given in the following table.

The values are taken at the top of the peaks. For wide and complex or overlapped resonances, the limiting values of are given in brackets. Unless specified, the values do not have a negative sign.

The common definitions of the tacticity of the polymer chain, usually encountered in the literature, are used here.

Example: polyvinyl chloride

Two adjacent dyads give a triad

For sequences longer than three monomer units, their tacticities are described by sets of m or r dyads. For example, with tetrads we have (mmm), (mmr + rmm), (mrr + rrm) and (rrr). In the information box, the symmetrical configurations are represented by only one form: (mmr) = (mmr + rmm)

Unless specifically stated the diameters of the sample tubes are 5 mm and 10 mm for 1H and 13C respectively. The concentrations of the polymer solutions are approximately 5% for 1H and 20-30% for 13C (when the polymer is sufficiently soluble). The temperature of the sample given in the information box is only approximate (2 C).