Mohamed Samir Abdelaziz Zedan <br/><br/>
Preparation and characterization of some biodegradable polymer/layered silicate nanocomposites /  
 تحضير و توصيف نانوكومبوزيتات بعض البلمرات القابلة للتحلل الحيوى مع سيليكات طبقية التكوين 
Mohamed Samir Abdelaziz Zedan ; Supervised Sherif Mourad Sherif , Hala Fikry Naguib 
 - Cairo :   Mohamed Samir Abdelaziz Zedan ,   2010 
 - 100 P. :   charts ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Organic Chemistry 
<br/><br/> A series of block poly(ester-ether urethane)s, poly)PHB/PCL-PEG-PCL), based on poly(3-hydroxybutyrate)-diol (PHB-diol), as hard segments, and poly(-caprolactone)-b-poly(ethylene-glycol)-b-poly(-caprolacyone), (PCL-PEG-PCL) triblock copolydiol, as soft segments using 1,6-hexamethylene diisocyanate (HDI), as non-toxic connecting agent, have been prepared 
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>Namocomposites Poly 3-hydroxybutyrate Poly ester-ether urethane