Morphologies and Mechanical Properties of Polyurethane/Epoxy Resin Interpenetrating Network Composites Modified with Kaolin |
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| Authors: | Gui-Xiang Hou Xing-Gang Chen Juan-Juan Liu Xiao-Ming Sang |
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| Affiliation: | 1. School of Materials Science and Engineering , Hebei United University , Tangshan, China hougx0301@126.com;3. School of Materials Science and Engineering , Hebei United University , Tangshan, China |
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| Abstract: | ![]()
Polyurethane/epoxy resin (PU/EP)/dimethyl sulfoxide modified kaolin (PU/EP/K-DMSO) interpenetrating network composites were prepared by in situ intercalation method. FT-IR showed that hydrogen bonding existed between kaolin and PU/EP matrix. The structure of composites was characterized by XRD, SEM and TEM. The result indicated that: K-DMSO by a nanometer size and homodisperse in the PU/EP matrix. The analysis of images obtained by polarizing microscope showed that bubble diameter has decreased with the K-DMSO added. Mechanical test results indicated that: the tensile and compression strength of the PU/EP/K-DMSO composites are superior to those of the PU/EP IPNs. |
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| Keywords: | Epoxy resin Interpenetrating polymer networks Kaolin Nanocomposites Polyurethane |
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