Gelatine sizing of paper and its impact on the degradation of cellulose during aging: a study using size-exclusion chromotography

Thesis

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Table of contents

General Introduction

Chapter 1. Accessibility, solubility and reactivity of cellulose substrates

Chapter 2. Review of most commonly used methods for the dissolution and the characterisation of cellulose

Chapter 3. Dissolution of cellulose in the solvent system lithium chloride / N,N-dimethylacetamide (LiCI/DMAc)

Chapter 4. Size-Exclusion Chromatography (SEC) and Multiangle Light Scattering (MALS) detection: principles and application to the study of cellulose

Chapter 5. Evaluation of different methods for the characterisation of cellulose: size-exclusion chromatography using direct dissolution, sizeexclusion chromatography using derivatisation, and viscometry

Chapter 6. The aging of paper and the influence of gelatine on the degradation process, a study using SEC/MALS, pH and colour measurements

Chapter 7. The influence of gelatine and alum in paper studied with SEC/MALS, pH and colour measurements

Chapter 8. Study of the degradation of gelatine in paper upon aging using aqueous size-exclusion chromatography

General conclusion

Appendix 3-1. Maillard reactions

Appendix 5-1. Viscometry method for the analysis of dilute solutions of cellulose in Cadoxen

Appendix 5-2. Size-exclusion chromatography (SEC) method for the analysis of cellulose tricarbanilate (CTC) in tetrahydrofuran

Appendix 6-1. Specification data sheets of the gelatines used in this study

Appendix 6-2. Calculations of the uptake of gelatine in the papers

Appendix 6-3. Kinetic models for cellulose chain scission

Appendix 6-4. Colour measurements

Appendix 8-1. Influence of the pH and the ionic strength of the mobile phase on the MMD profiles of gelatine aged and unaged

Summary

Samenvatting

List of publications relevant to the thesis

Acknowledgements

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