声明
ABSTRACT
DEDICATION
ACKNOWLEDGEMENT
TABLE OF CONTENTS
LIST OF FIGURES
LIST OF TABLES
CHAPTER 1 OVERVIEW
1.1 Preface
1.2 Background
1.3 Introduction
1.3.1 Principle of Ring spinning
1.4 Aims and Objectives of the study
CHAPTER 2 LITERATURE REVIEW
2.1 T-400/Cotton Core spun yarn
2.3 Core spun yarn structure
2.4 Key core yarn spinning Parameters
2.5 Effect of spinning parameters on the elastane core yarn quality properties
2.6 Applications of T-400/Cotton core spun yarn
CHAPTER 3 EXPERIMENTAL PROCEDURE
3.1 Raw Materiais
3.2 Optimization Experiment
3.2.1 Experimental Design
3.2.2 Testing of yarn quality properties
3.2.3 Ring spinning machine parameters
3.2.4 Knitted fabric preparation and testing
3.3 Applied statistical concepts
3.3.1 Application of statistics
3.3.2 Polynomial regression
3.3.2 The precision and significance of regression equation
3.3.3 The lack of fit
3.3.4 Universal rotatable design
3.3.5 Analysis of Variance
CHAPTER 4 RESULTS AND DISCUSSION
4.1 Results of core yarn parameters tested
4.2 Regression Equations
4.2.1 Fitted Regression Equations
4.2.2 Results for effect of variables on hairiness
4.2.2 Results for effect of variables on CVm
4.2.3 Results for effect of variables on Neps 280%
4.2.4 Results for effect of variables on thick places +50%
4.2.5 Results for effect of variables on tenacity
4.2.6 Results for effect of variables on Elongation
4.2.7 Results for effect of variables on for CV of Elongation
4.3 Optimization of Process Parameters
4.4 Knitted fabric properties
4.4.1 Yarn quality characteristic
4.4.2 Breaking elongation
4.4.3 Busting strength
4.4.4 Tensile strength
4.4.5 Air Permeability
4.4.6 Pilling properties
CHAPTER 5 RECOMMENDATIONS AND CONCLUSIONS
5.1 Conclusion
5.2 Recommendations
REFERENCES
INDICES
东华大学;