Preparation and characterization of new lipooligosaccharide chitosan derivatives

Dissertant

Abu Flaha, Rasha Khalid Muhammad

Thesis advisor

al-Rimawi, Mayyas
al-Suud, Khaldun A.

Comitee Members

al-Umari, Mahmud Ahmad
Ghanim, Raid Ahmad
Faris, Basim

University

Al albayt University

Faculty

Faculty of Sciences

Department

Department of Chemistry

University Country

Jordan

Degree

Master

Degree Date

2010

English Abstract

A method has been developed to obtain semi synthetic surfactants, as a replacement for synthetic surfactants, by N-substitution reactions for the insoluble LMWC with different fatty anhydrides (Acetic, butyric, hexanoic, decanoic, lauric and oleic anhydrides). The new derivatives are soluble in neutral, acidic and basic mediums.

This solubility dues to the decreasing of LMWC's hydrophobicity by decreasing the intra- and inter-molecular hydrogen bonds by the substitution reactions.

The new LMWC-fatty anhydride derivatives were characterized using: nuclear magnetic resonance (1H-NMR) spectroscopy, Fourier transformation infra red (FT-IR) spectroscopy, X-ray pouder diffraction (XRD) analysis, differential scanning calorimetric (DSC) analysis and scanning electron microscopy (SEM), in addition to the particle size, surface tension measurements and HLB value calculation.

Main Subjects

Chemistry

No. of Pages

88

Table of Contents

• APA
• MLA
• AMA

Language

English

Data Type

Arab Theses

Record ID

BIM-314948