Polymer Sequence Determination - 1st Edition - ISBN: 9780125780506, 9780323160759

Polymer Sequence Determination

1st Edition

Carbon-13 NMR Method

Authors: James Randall
eBook ISBN: 9780323160759
Imprint: Academic Press
Published Date: 28th December 1977
Page Count: 170
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Polymer Sequence Determination: Carbon-13 NMR Method covers the principles, practice, and application of 13C NMR to polymer structure determination. This book is divided into six chapters that highlight spectral interpretations, applications, and experimental considerations.

Chapter 1 examines the polymer structure, with special emphasis on those structural features delineated by 13C NMR, along with the assignment techniques used during 13C NMR interpretations of polymer spectra. Chapters 2 and 3 present the methods for measuring sequence distributions and number-average sequence lengths for configurational sequences in vinyl homopolymers and for the comonomer distribution in copolymers and terpolymers. Chapter 4 discusses the statistical approaches to polymer characterization, while Chapter 5 contains practical experimental considerations when designing an NMR experiment to obtain quantitative structural information. Chapter 6 reviews 13C NMR studies for various vinyl homopolymers and copolymers.

This book will be of great value to polymer scientists, NMR spectroscopists, and researchers.

Table of Contents



1 Polymer Structure and Carbon-13 NMR

1.1 Configurational Sequences in Vinyl Homopolymers

1.2 Carbon-13 Chemical Shift Behavior in Vinyl Homopolymers

1.3 Configurational Sequence Lengths and Carbon-13 Line Multiplicity

1.4 Configurational Assignments in Polypropylene

2 Number-Average Sequence Lengths in Vinyl Polymers

2.1 Number-Average Sequence Lengths of Like Configurations

2.2 Number-Average Sequence Lengths of Meso and Racemic Additions

2.3 NMR Measurements of Νumber-Average Sequence Lengths

3 Number-Average Sequence Lengths in Copolymers and Terpolymers

3.1 Νumber-Average Sequence Lengths in Copolymers and Dyad Concentrations

3.2 Copolymer Number-Average Sequence Lengths and Triad Concentrations

3.3 Number-Average Sequence Lengths in Hydrogenated Polybutadienes

3.4 Monomer Distributions and Number-Average Sequence Lengths in Ethylene-Propylene Copolymers

3.5 Number-Average Sequence Lengths and Dyad Distributions in Terpolymers

3.6 Νumber-Average Sequence Lengths and Triad Distributions in Terpolymers

3.7 Νumber-Average Sequence Lengths in Hydrogenated Butadiene-Styrene Copolymers

4 Statistical Analyses of Monomer Distributions and Number-Average Sequence Lengths

4.1 Bernoullian Statistical Analyses

4.2 First-Order Markov Statistical Analyses of Copolymers

4.3 Statistical Analyses of Hydrogenated Polybutadienes

4.4 Statistical Analyses of Configurational Sequences in Vinyl Homopolymers

4.5 A Statistical Analysis of Configurational Sequences in Atactic Polystyrenes

5 Experimental Design for Quantitative FT-NMR Measurements

5.1 Saturation and Resolution in FT-NMR

5.2 The Nuclear Overhauser Effect and Carbon-13 Natural Abundance

5.3 Intensity Measurements in FT-NMR Quantitative Studies

5.4 Computer Requirements in FT Quantitative Studies

6 A Survey of Carbon-13 NMR Studies of Vinyl Homopolymers and Copolymers

6.1 Poly(Vinyl Chloride)

6.2 Poly(Vinyl Alcohol)

6.3 Poly(Vinyl Acetate)

6.4 Poly(Methyl Methacrylate)

6.5 Poly(α-Methylstyrene)

6.6 Polystyrene

6.7 Poly(Methyl Acrylate)

6.8 Poly(Isopropyl Acrylate)

6.9 Poly(Methyl Vinyl Ether)

6.10 Poly(Ethyl Vinyl Ether)

6.11 Poly(Isopropyl Vinyl Ether) and Poly(Isobutyl Vinyl Ether)

6.12 Poly(Tert-Butyl Vinyl Ether)

6.13 Poly(Methacrylonitrile)

6.14 Polyacrylonitrile

6.15 Trends among Configurational Assignments in Vinyl Homopolymers

6.16 Ethylene-Propylene Copolymers

6.17 Ethylene-Vinyl Acetate Copolymers

6.18 Acrylonitrile-Styrene Copolymers

6.19 Butadiene-Styrene Copolymers




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© Academic Press 1977
Academic Press
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About the Author

James Randall

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