PREPARATION OF CHAIN EXTENDED POLYURETHANE AND ITS COMPOSITES BASED ON CASTOR OIL AND COIR FIBER
Keyword(s):
The chain extended polyurethane was synthesized by reacting castor oil based polyol with 4,4’-methylenebis(cyclohexyl) isocyanate and chain extender such as malonic acid. The composites have been fabricated by incorporating the coir fiber into the neat polyurethane. The polyurethane and its composites were characterized with respect to their mechanical properties such as hardness, tensile strength, percentage elongation and Young’s modulus. The morphology of neat polyurethane and its composites with coir fiber was studied using scanning electron microscope (SEM). These studies revealed the high performance character of the polyurethane composites with respect to the corresponding neat polyurethane.
2017 ◽
Vol 10
(1)
◽
pp. 61-64
2010 ◽
Vol 123-125
◽
pp. 391-394
◽
2012 ◽
Vol 85
(1)
◽
pp. 120-131
◽
2018 ◽
Vol 2018
◽
pp. 1-11
◽
2016 ◽
Vol 850
◽
pp. 511-518
◽