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Synthesis and applications of new poly(alkylene sulfide)s

Balakit, Asim Alaa Abdalhussein 2012. Synthesis and applications of new poly(alkylene sulfide)s. PhD Thesis, Cardiff University.
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Two projects are involved in this thesis; both of them are about the synthesis and applications of new poly(alkylene sulfide)s. The objective of the first project is the development of new polymeric borane reagents. The goal of second project is to introduce a new strategy for the synthesis of novel photochromic poly(alkylene sulfide)s. Chapter One Chapter One is an introductory chapter about borane chemistry. It involves a definition of the borane reagents, their uses in the most important applications and their development. Generally, this chapter shows the importance of borane reagents and the needs to develop convenient ones. Chapter Two Chapter Two includes a brief introduction about methods of synthesis of poly(alkylene sulfide)s. It shows how by following the most convenient procedure a number of poly(alkylene sulfide)s have been produced and from those polymers a couple of borane complexes were prepared. It also shows the stability, uses in different applications (reduction, hydroboration-oxidation and more sophisticated reaction) and the recycling of the polymeric material. In this chapter we report new poly(propylene sulfide)–borane complexes as convenient and versatile reagents for organic synthesis. Chapter Three Chapter Three is about photochromism and diarylethenes. It shows the reported synthetic strategies for the production of diarylperfluorocyclopentenes and their uses in the production of the different types of photochromic polymers which are very interesting materials that are used in a wide range of advanced applications. Chapter Four Chapter Four describes our attempt to develop a new route for the production of poly(alkylene sulfide)s bearing photochromic units. It shows the synthesis of a novel photochromic diarylperfluorocyclopentene aldehyde and the use of such material in the production of a model that resembles the target polymers. The synthesis of a novel photochromic oligomeric material is presented in this chapter.

Item Type: Thesis (PhD)
Status: Unpublished
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Date of First Compliant Deposit: 30 March 2016
Last Modified: 19 Mar 2016 23:10

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