Muthu Recycled Polyester

Manufacturing, Properties, Test Methods, and Identification
1. Auflage 2019
ISBN: 978-981-329-559-9
Verlag: Springer Nature Singapore
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, 93 Seiten

Reihe: Textile Science and Clothing Technology

This book provides an overview of recycled polyesters, which are an important sustainable raw material in textile production. It discusses the manufacturing methods and the unique properties of recycled polyesters manufactured using the different methods. It also highlights the various test methods and identification mechanisms for recycled polyesters, which are very essential for ensuring the traceability and conformity of usage of recycled polyester in the final product.

Dr Subramanian Senthilkannan Muthu holds a Ph.D. in Textiles Sustainability and has written around 60 books and 80 research publications. He is well known for his contributions in the field and has extensive academic and industrial experience. He is the Editor-in-Chief of the Textiles & Clothing Sustainability Journal.

Autoren/Hrsg.

Muthu, Subramanian Senthilkannan

Inhaltsverzeichnis

1;Contents;6
2;Properties of Recycled Polyester;7
2.1;1 Introduction;7
2.2;2 Polyester;9
2.3;3 Need for Recycled Polyester;10
2.4;4 Identification of Plastic and Its Recycling Code;11
2.5;5 Recycled Polyesters;12
2.6;6 Methodology for Polyester Recycling;13
2.6.1;6.1 Re-Utilization;14
2.6.2;6.2 Mechanical and Thermal Reprocessing;14
2.6.3;6.3 Chemical Reprocessing;14
2.6.4;6.4 Factors Influencing the Polyester Reprocessing;15
2.6.5;6.5 Colorants;15
2.6.6;6.6 Contaminants;15
2.6.7;6.7 Water;15
2.7;7 Properties of Recycled Polyesters;15
2.7.1;7.1 Physical Properties;16
2.7.2;7.2 Mechanical Properties;17
2.7.3;7.3 Thermal Properties;18
2.7.4;7.4 Sound Absorption Properties;18
2.7.5;7.5 Environmental properties;19
2.8;8 Conclusion and Future Perspectives;19
2.9;References;19
3;Effects of Gamma Radiation on the Physicochemical Properties of Polyester Resin and Its Use in Composite Materials;21
3.1;1 Introduction;22
3.2;2 Methods for Recycling or Reusing Polyester Resin;24
3.3;3 Gamma Radiation;26
3.4;4 Effects of Gamma Radiation in Polyester Resin;27
3.5;5 Gamma Radiation as Modifier of Composites Elaborated with Polyester Resins;30
3.6;6 Conclusions;32
3.7;References;33
4;Studies on Recycled Polyester;35
4.1;1 Introduction;36
4.2;2 Experimental Part;37
4.2.1;2.1 Materials Preparation;37
4.2.2;2.2 Karl Fischer Titration;39
4.2.3;2.3 Melt Spinning in Laboratory Scale;41
4.2.4;2.4 Differential Scanning Calorimetry;42
4.2.5;2.5 Morphological Study and Diameter Evaluation;43
4.2.6;2.6 Single Fibre Tensile Test;43
4.2.7;2.7 Hot Shrinkage;43
4.2.8;2.8 Thermogravimetric Analysis;44
4.2.9;2.9 Size Exclusion Chromatography;44
4.2.10;2.10 Rheological Characterization;44
4.3;3 Characterizations of Raw Materials;45
4.3.1;3.1 Thermal Behaviour;45
4.3.2;3.2 Molar Mass Characterization;46
4.3.3;3.3 Rheological Characterization;47
4.4;4 Characterizations of Melt-Spun Fibres;50
4.4.1;4.1 Surface Morphology;50
4.4.2;4.2 Diameter Distribution of Fibres;51
4.4.3;4.3 Molar Mass Degradation;56
4.4.4;4.4 Thermal Stability;56
4.4.5;4.5 Evaluation of Mechanical Properties;57
4.5;5 Performance-Reliability Plot;64
4.6;6 Comparison with Reviewed Literature;68
4.7;7 Conclusions;69
4.8;References;70
5;Test Methods and Identification of Recycled Polyester;74
5.1;1 Introduction;75
5.2;2 Textile Recycling/Polyester Recycling;76
5.2.1;2.1 Types of the Recycling Process;77
5.2.2;2.2 Upcycling and Downcycling;82
5.3;3 Test Methods of Recycled Polyester;82
5.3.1;3.1 Polyester Manufacturing;82
5.3.2;3.2 The Recovery of Polyester;83
5.3.3;3.3 Test Methods and Identification of Recycled Polyester;83
5.4;4 Supply Chain Approach in Textile Business;86
5.4.1;4.1 Research Gaps and Objectives;86
5.4.2;4.2 Open and Closed-Loop Recycling;87
5.4.3;4.3 Sustainability in Recycling;89
5.4.4;4.4 Suppliers with a Credible Certificate;89
5.4.5;4.5 Cradle to Cradle;89
5.4.6;4.6 Recycled Claim Standard (RCS);90
5.4.7;4.7 Characteristics of Recycled Polyester;91
5.5;5 Conclusion;91
5.6;References;92