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Title of Thesis
Molecular Engineering of Polyurethane Elastomers

Author(s)
Khalid Mahmood Zia
Institute/University/Department Details
University of Agriculture, Faisalabad,  Pakistan.
Session
 
Subject
Chemistry
Number of Pages
185
Keywords (Extracted from title, table of contents and abstract of thesis)
Universal nutrient constraint, alkaline calcareous soils.

Abstract
 

 
         
Download Full Thesis


1666 KB

S. No. Chapter Title of the Chapters Page Size (KB)
1 1 Introduction 1


65 KB

 
2 2 Review of Literature 6

 

 


190 KB

  2.1 Polyurethane (PU) 6
  2.2 Structure of Polyurethane 7
  2.3 Structure Property Relationship 7
  2.4 Synthesis of Polyurethane based on alkane diols 9
  2.5 UV-irradiation of Polyurethane 16
  2.6 Biodegradable Polymer 20
  2.7 Biodegradable Polyurethane 22
  2.8 Chitin Properties and Sustainability for use in Polyurethane 23
  2.9 Evaluation of Biocompatibility of Polyurethane 26
  2.10 XRD Studies of Chitin and Polyurethane 27
  2.11 Shape Memory Polymers &Shape Memory Polyurethane 28
 
3 3 Material & Methods 32

 


308 KB

  3.1 Chemicals/instruments 33
  3.2 Synthesis of Polyurethane 34
  3.3 Characterization 37
  3.4 Part–I: Polyurethane Extended with α, ω-alkane diols 49
  3.5 Part-II: Chitin Based Polyurethane 54
 
4 4 Results and Discussions 62  


404 KB

  4.1 Part–I (a): Polyurethane Elastomers (PUEs) Extended with α, ω-alkane diols 62
  4.2 Part–I (b):UV irradiation of Polyurethane Extended with a, w-alkane diols 94
  4.3 Part-II: Chitin Based Polyurethane 123
  4.4 Effect of Diisocyanates and Chain Extender Structure: XRD Studies and Evaluation of Biocompatibility 158
  4.5 Shape Memory Polyurethane (SMPU) 177
         

5

5 Summary 190
77 KB
         
    Literature Cited 196
103 KB