EFFECT OF PH PARAMETERS ON CARBOXYMETHYLATED CELLULOSE

EFFECT OF PH PARAMETERS ON CARBOXYMETHYLATED CELLULOSE

Project Details

EFFECT OF PH PARAMETERS ON CARBOXYMETHYLATED CELLULOSE


40 Pages, Chapter 1-5
Ms Word

08062235854

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Description

The aim and objectives was to evaluate the effect of pH parameters on carboxymethylated cellulose by obtaining the following properties:

  1. Determination of the moisture content
  2. Degree of substitution and
  • The swelling capacity on different temperature parameters.

CHAPTER ONE

1.0       INTRODUCTION

1.1       CELLULOSE

1.2       STRUCTURE OF CELLULOSE

Fig 1: Structure of cellulose

1.3       DERIVATIVES OF CELLULOSE

1.4       REACTIONS OF CELLULOSE

1.5       ETHERIFICATION REACTION

1.6       CARBOXYMETHYL CELLULOSE (CMC)

1.7       PROCESS DESCRIPTION

1.8       USES

CHAPTER TWO

2.0       LITERATURE REVIEW

2.1       DEGREE OF SUBSTITUTION OF CMC

2.3       AIM AND OBJECTIVES OF THE STUDY

CHAPTER THREE

3.0 MATERIALS AND METHOD

3.1 RAW MATERIALS

3.2 APPARATUSES

3.3 PREPARATION OF CARBOXYMETHYL CELLULOSE (CMC) WITH

VARIATION OF pH

3.4   DETERMINATION OF MOISTURE CONTENT

3.5       DETERMINATION OF DEGREE OF SUBSTITUTION OF

CARBOXYMETHYL CELLULOSE

3.6   DETERMINATION OF FREE SWELLING CAPACITY

3.7 GELATION STUDIES

3.8 IR ANANLYSIS

CHAPTER FOUR

RESULTS AND DISCUSSION

4.0   MOISTURE CONTENT DETERMINATION

4.1 DEGREE OF SUBSTITUTION (DS) DETERMINATION

4.2 FREE SWELLING POWER

4.3 GELATION STUDIES

4.4 INFRARED SPECTRA

Fig .4 Graphical representation of infrared spectrum of native cellulose

Fig.5 Graphical representation of infrared spectrum of carboxymethyl cellulose

CHAPTER FIVE

5.0                                                    CONCLUSION

REFERENCES

LIST OF FIGURES

Table 1.1: Commercial Importance of Cellulose Derivatives

Table 1: Moisture content

Table 2: The effects of Degree of substitution

Table 3: FSP of native and modified cellulose.

Table 4: gelation studies for native and modified cellulose

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