Effects of Some Printing Variables on the Colour Yield of Reactive Dye Printed Cotton Fabric

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ABSTRACT

This thesis presents the findings of the investigation on the effects of some printing variables on the colour yield of reactive dye printed cotton fabric. The main print variables investigated are squeegee strokes, print paste viscosity, paste storage time and superimposed print. The printing pastes, (pastes A, B and C) used in this work were prepared using cassava starch, NaCl, NaOH and Procion reactive dye (Procion M); and were of different viscosities. The printing operation was carried out on the cotton fabric by using the squeegee to pull the print paste back and forth for each of the variables investigated. Qualities of prints were established by visual inspection. It was established that; the four variables investigated contribute in no small measure to the colour yield of reactive dye printed cotton fabric. Particularly, increase in squeegee strokes is related to colour yield as well as paste viscosity. The investigation has greatly improved the understanding of the relationship between some print variables and the desired print results.

TABLE OF CONTENT

Title Page i

Dedication ii

Certification iii

Acknowledgement iv

Abstract vi

Table of Contents vii

List of Tables ix

List of Figures x

CHAPTER ONE

  1. 1.0  Introduction 1

  2. 1.1  Background of the Study 1

  3. 1.2  Problem Statement 13

  4. 1.3  Objective of the Study 14

  5. 1.4  Justification of the Study 14

  6. 1.5  Scope of the Study 15

CHAPTER TWO

Literature Review 16

Reactive Dye 16

Cellulose 25

Reactivity of Dye and Cellulose 27

Printing Paste

CHAPTER THREE

3.0 Methodology

3.1 Materials

3.2 Apparatus

3.3 Methods

CHAPTER FOUR

  1. 4.0  Results and Discussions 52

  2. 4.1  Results 52

  3. 4.2  Discussion 58

  4. 4.3  Achievement/Contribution to Knowledge 62

CHAPTER FIVE

5.0 Conclusion and Recommendation 65

Conclusion Recommendation Reference

Appendix A

Appendix B

Appendix C


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APA

The MasterMind, P (2021). Effects of Some Printing Variables on the Colour Yield of Reactive Dye Printed Cotton Fabric. Afribary.com: Retrieved March 03, 2021, from https://afribary.com/works/effects-of-some-printing-variables-on-the-colour-yield-of-reactive-dye-printed-cotton-fabric

MLA 8th

Project, The MasterMind. "Effects of Some Printing Variables on the Colour Yield of Reactive Dye Printed Cotton Fabric" Afribary.com. Afribary.com, 22 Feb. 2021, https://afribary.com/works/effects-of-some-printing-variables-on-the-colour-yield-of-reactive-dye-printed-cotton-fabric . Accessed 03 Mar. 2021.

MLA7

Project, The MasterMind. "Effects of Some Printing Variables on the Colour Yield of Reactive Dye Printed Cotton Fabric". Afribary.com, Afribary.com, 22 Feb. 2021. Web. 03 Mar. 2021. < https://afribary.com/works/effects-of-some-printing-variables-on-the-colour-yield-of-reactive-dye-printed-cotton-fabric >.

Chicago

Project, The MasterMind. "Effects of Some Printing Variables on the Colour Yield of Reactive Dye Printed Cotton Fabric" Afribary.com (2021). Accessed March 03, 2021. https://afribary.com/works/effects-of-some-printing-variables-on-the-colour-yield-of-reactive-dye-printed-cotton-fabric