5.1.3 The Preparatory Machines of Vortex Spinning
5.2 Principles of Vortex Spinning
5.2.1 Distribution of Air-pressure and Velocity in Vortex Field
5.2.2 Air flow inside the Vortex Tube
5.2.3 Yarn Twisted by Vortex
5.2.4 Structure and Parameters of Vortex Tube
5.3 Structures and Properties of Vortex Yarn and Products
5.3.1 Spinnability of Vortex Spinning
5.3.2 Structures and Properties of Vortex Yarn
5.3.3 Products of Vortex Yarn
5.4 Technical Economical Analysis of Vortex Spinning
5.4.1 Characteristics of Vortex Yarn
5.4.2 Analysis of Technical Economical
5.4.3 Prospects
References
【Friction Spinning and Yarns】
6.1 The History and Present of Friction Spinning
6.2 The Twisting Principle of Friction Spinning
6.2.1 Process of Friction Spinning
6.2.2 Principle of Friction Spinning
6.3 Structures and Properties of Friction Yarn
6.3.1 Yarn Structure
6.3.2 Yarn Properties
6.4 The Products of Friction Yarn
6.4.1 Adaptable Materials and Yarn Tex
6.4.2 Products
6.5 The Prospects for Friction Spinning
6.5.1 Main Problems for Friction Spinning

6.5.2 Prospects of Friction Spinning
References
【False-twist Texturing and Yarns】
7.1 Introduction
7.2 Multi-steps Conventional Texturing Process
7.3 The Principle of False-twist Texturing
7.4 False-twist Formation and Process
7.5 Twist Insertion Device
7.5.1 Pin Spindle
7.5.2 Friction Twisting
7.6 Heat-setting
7.6.1 Heating Systems
7.6.2 Cooling Systems
7.6.3 Heat Transfer
7.6.4 Mechanisms of Setting
7.7 Modification to False-twist Texturing
7.7.1 Draw Texturing
7.7.2 The Second Heat Treatment
7.8 Process Parameters and Quality Control
7.8.1 Process Parameters
7.8.2 Quality Control
7.9 False-twist Texturing Machine
7.9.1 Machine Configurations
7.9.2 Multi-input Shaft Machine
7.9.3 Automation
7.9.4 False-twist Texturing Machines Made in China
7.9.5 Yarn Products
7.10 Structure and Properties of False-twist Textured Yarns
7.10.1 Filament Migration and Structure of False-twist Textured Yarns
7.10.2 Tensile Curve and Crimp Properties of False-twist Textured Yarn
References
【Air-jet Texturing and Yarns】
8.1 Introduction
8.2 Principles and Nozzles of Air-jet Texturing
8.2.1 Principles of Air-jet Texturing
8.2.2 Air-jet Texturing Nozzles
8.3 Air Flow in the Nozzles
8.3.1 Air Flow through the Nozzle
8.3.2 Air Flow Properties of Nozzles
8.4 Loop Formation Mechanism and Process
8.5 Air-jet Technology and Machine
8.6 Air-jet Texturing Process Variables
8.6.1 Supply Yarn
8.6.2 Overfeed
8.6.3 Air Pressure
8.6.4 Wetting of Supply Yarn
8.6.5 Heat-setting
8.7 Structure, Properties and Application of Air-jet Textured Yarn
8.7.1 Structure of Air-jet Textured Yarn
8.7.2 Properties of Air-jet Textured Yarn

8.7.3 Application and End Use of Air-jet Textured Yarn
References
【Hot-fluid (Jet) Texturing and Yarns】
9.1 Introduction
9.2 Mechanical Feed Stuffer-box Texturing
9.2.1 Buckling Model in Stuffing Box
9.2.2 Influence of Filament Properties and Stuffing Box Construction on Buckling Process
9.3 Hot-fluid (Jet) Texturing
9.3.1 Hot-fluid Nozzle
9.3.2 Air Flow in the Hot-fluid Nozzle
9.4 Modified Hot-fluid(Jet) Texturing- Moving-cavity Texturing
9.5 Morphology and Properties of BCF Yarn
9.6 Hot-fluid Texturing Machine
References
【Multi Texturing and Yarns】
10.1 Introduction
10.2 False-twist Texturing (or Hot-fluid Texturing) with Intermingled Process
10.2.1 Intermingled Process
10.2.2 Air Flow in the Intermingling Nozzle
10.2.3 False-twist Texturing with Intermingled Process
10.3 False-twist Texturing with Air-jet Texturing
10.4 Two-for-one Twist Process with False-twist Texturing
10.5 Differential Shrinkage Texturing with False-twist Texturing(or Air-jet Texturing)
10.6 Air-jet Texturing with Texspun
10.7 Fine-scope Texturing
10.7.1 Thickness Techniques
10.7.2 Twist Node Techniques
References

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