Ecofriendly processing of Bast fiber from Apocynum Venetum

目录

声明

ABSTRACT

ACKNOWLEDGEMENTS

Publication arising from thesis

Table of Contents

Terms and abbreviations

List of figures

List of tables

CHAPTER 1 INTRODUCTION

1．2 Research aims and objective

1．3 Research Methodology

CHAPTER 2 LITERATURE REVIEW

2．2Fiber Extraction Techniques

2．2．1 Microbiological Retting

2．3 Fibre extraction and fibre content of Apocynum venetum

CHAPTER 3 Fidelity of new chemical degumming method for obtaining superior properties of Bast fibre from A．venetum

3．2Materials and Methods

3．2．3 The fraditional degumming(Fiber-C)method

3．3．2 Fiber yield rate

3．3．6 FT-IR spectroscopy

3．4 Results and Discussion

3．4．1Fibre pretreatment

3．4．2Residual Gum Content

3．4．3 FT-IR spectroscopy study

3．4．4 Physical structure

3．4．5 Morphological structure

3．4．6 Fibre properties

3．4．7Process optimization

3．5 Chapter Summary

CHAPTER 4 Study of the mechanism of Al2(SO4)3 for the Discharge of Pectin during the Pretreatment of Apocynum venetum

4．2 Materials and Methods

4．2．2 Plan of the experiment

4．3．2Electron Spin Resonance spectroscopy

4．3．3 Water retention value，WRV

4．3．5FT-IR spectroscopy

4．4 Results and discussion

4．4．1 Zeta potential study

4．4．2 Electron Spin Resonance study

4．4．3 Water retention value，WRV

4．4．4 Fiber pretreatment

4．4．5 FT-IR study

4．4．6 Morphological structure

4．5 Chapter summary

CHAPTER 5 CONCLUSION

5．3 Conclusion

References