High Efficient Synthesis of Hydroxyl-Terminated Polybutadiene (HTPB) based Polyurethane via Microwave Heating

By : Yong Wen , Na Teng , Fei Liu , Ruoyu Zhang , Jing Chen , Jin Zhu , Haifang Wang , Haining Na

Page No: 355-369

Abstract
In this work, we establish a facile and efficient method to synthesize the polyurethanes (PUs) containing hydroxyl-terminated polybutadiene (HTPB) through microwave-assisted reactions. Comparisons of conventional heat versus microwave reactions have been made. Microwave[1]assisted synthesis has been found to significantly decrease the reaction time and reduce side reaction of carbon-carbon bond relative to conventional heat. Moreover, we develop a more advanced molecular design for HTPB based PU ranging from content of hard segment to types of non-planer ring structures. The Characterization of the polymers has been conducted with FT-IR, TGA, thermal and mechanical analysis. Among them, single ring contained PU shows the highest properties. In this green and promising way, we can potentially expand the application areas for HTPB based PUs with high performances.

Authors :
Yong Wen, Na Teng, Fei Liu, Ruoyu Zhang, Jing Chen and Jin Zhu : Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, P.R. China
Haifang Wang and Haining Na : School of Chemical and Environmental Engineering, North University of China, Shanxi, Taiyuan 030051, P. R. China
 

DOI: https://doi.org/10.32381/JPM.2018.35.03.9