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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 9/2015

01.09.2015 | Original Contribution

Synthesis and characterization of amino-terminated hyperbranched polymer and its effect on impact resistance of epoxy resin thermosets

verfasst von: Shuiping Li, Chong Cui, Haijun Hou

Erschienen in: Colloid and Polymer Science | Ausgabe 9/2015

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Abstract

Amino-terminated hyperbranched polymer (HBP-NH2) was synthesized from diethylenetriamine (DETA) and methyl acrylate (MA) by melt polycondensation through AB3 and AB2 route, and its chemical structure was characterized by attenuated total internal reflectance infrared spectroscopy (ATR-IR) and 1H nuclear magnetic resonance (1H-NMR) spectroscopy. Then, the influence of HBP-NH2 content on the toughness improvement and fractural surface morphology of diglycidyl ether of bisphenol A (DGEBA) cured systems was investigated through impact resistance test and field emission scanning electron microscopy (FESEM), respectively. The results indicated that HBP-NH2 can enhance the toughness of epoxy cured system near 61 % than the neat DGEBA cured thermosets. FESEM images show that the toughness enhancement of epoxy system should be based on shearing deformation mechanism (the thermosets modified with low content of HBP-NH2) and the second phase toughening mechanism (the thermosets modified with high content of HBP-NH2).
Vorheriger Artikel Investigation of ouzo effect colloid formation via organosilica nanoparticles
Nächster Artikel Structural, morphological, optical, and electrical transport studies of poly(3-methoxythiophene)/NiO hybrid nanocomposites

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Metadaten
Titel
Synthesis and characterization of amino-terminated hyperbranched polymer and its effect on impact resistance of epoxy resin thermosets
verfasst von
Shuiping Li
Chong Cui
Haijun Hou
Publikationsdatum
01.09.2015
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 9/2015
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-015-3665-x

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