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Please use this identifier to cite or link to this item: http://purl.org/purl/3589

Title: Studies on polyurethane elastomers based on liquid natural rubber
Authors: Ravindran, T
Dr.Joseph,Francis D
Keywords: Depolymerisation of rubbers
Segmented polyurethanes
Production of hydroxyl-terminated liquid natural rubber
Preparation of polyuerthanes
Issue Date: Mar-1989
Publisher: Cochin University of Science And Technology
Abstract: In the present study, the photochemical depolymerisation of NR in toluene, in presence of H202 and a homogenizing solvent (Methanol/Tetrahydro— furan) so as to get hydroxyl terminated liquid natural rubber (HTNR) has been carried out. The copolymeri— sation of this product with butane 1,4 diol and toluene 2,4 diisocyanate in presence of a catalyst, dibutyl tin dilaurate, to produce polyurethanes with HTNR soft segments is also reported. The preparation of block copolymers based on poly(ethylene oxide) with varying molecular weights and HTNR are also discussed along with a detailed study on their thermal and mechanical properties
Description: Department of Polymer science and Rubber technology, Cochin University of Science And Technology
URI: http://dyuthi.cusat.ac.in/purl/3589
Appears in Collections:Faculty of Technology

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