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Polymer Bulletin
Erschienen in: Polymer Bulletin 10/2014

01.10.2014 | Original Paper

One-pot synthesis of hyperbranched polyols and their effects as crosslinkers on HTPB-based polyurethane

verfasst von: Hu Mingjie, Fu Wei, Gao Le, Wu Weibing, Liu Xinghai, Huang Chi

Erschienen in: Polymer Bulletin | Ausgabe 10/2014

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Abstract

Hyperbranched polyethers and hyperbranched poly(amino ester)s were synthesized through one-pot method, and characterized by fourier transform infrared spectroscopy, hydrogen nuclear magnetic resonance and thermogravimetry analysis (TGA). The as-obtained hyperbranched polyols with different molecular structure and sizes were used to crosslink hydroxyl-terminated polybutadiene-based polyurethane (PU). The PU was characterized by tensile test, dynamic mechanical analysis, TGA, and swelling properties. It was found that the crosslinker structure and size have great effects on the properties of the PU. Hyperbranched polyether cross-linked PU showed the best mechanical properties, which reached mechanical strength of 1.45 MPa with elongation at break of 617 % for the third generation with hard segment content of 26.8 % at 25 °C.
Vorheriger Artikel Preparation and properties of core–shell silver/polyimide nanocomposites
Nächster Artikel Novel synthesis, characterization and application of dibutyrate bis(2-hydroxyethyl) terephthalamide as a plasticizer in PVC compounding

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Metadaten
Titel
One-pot synthesis of hyperbranched polyols and their effects as crosslinkers on HTPB-based polyurethane
verfasst von
Hu Mingjie
Fu Wei
Gao Le
Wu Weibing
Liu Xinghai
Huang Chi
Publikationsdatum
01.10.2014
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 10/2014
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-014-1215-1

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