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Effects of Bonding Agents, Curative Ratio and Burning Rate Modifiers on the Composite Polyurethane Studied by an Aging Program


Effects of Bonding Agents, Curative Ratio and Burning Rate Modifiers on the Composite Polyurethane Studied by an Aging Program
Authors : Ahmed Mohamed Abo Elmagd Enew, Ehab Abadeer, Saher El Marsafy, Mark Rutkevičius
Publication Date: 04-03-2017

Authors

Author(s):  Ahmed Mohamed Abo Elmagd Enew, Ehab Abadeer, Saher El Marsafy, Mark Rutkevičius

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 03 , March - 2017

e-ISSN:   2278-0181

Abstract

We developed and characterized a composite polyurethane polymer for use as a rocket motor. The effect of bonding agents, curative ratio, and burning rate modifiers to the composite mechanical, ballistic, and thermal characteristics were analyzed by applying an accelerated aging program for 26 weeks at a temperature of 65°C.The aging program allowed to estimate the motor service life time. Within the hydroxy terminated polybutadiene (HTPB) propellant matrix we varied the bonding agents (MAPO, HX-752, and MAT4), curative isocyanide and hydroxyl (NCO/OH) group ratio, and the copper chromite (burning rate modifier) content. A novel composite engineered for improved propellant of solid rocket motors using the new percentage for the first time, which can be applied in the future.

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