Journal
POLYMER
Volume 179, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2019.121631
Keywords
alpha-ZrP nanoplatelets; Polymer nanocomposites; Multi-functional fillers; Fracture toughness; Core-shell rubber
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Funding
- KANEKA Corporation
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Alpha-zirconium phosphate (Zr(O3POH)(2)center dot H2O, alpha-ZrP) nanoplatelets were exfoliated using tetra-n-butylammonium hydroxide (TBA) and cured through the anionic phosphonate on the surface of the exfoliated alpha-ZrP-TBA. alpha-ZrP-TBA can both initiate an anionic polymerization of epoxy monomers and serve as reinforcing agents for epoxy matrix. The epoxy/alpha-ZrP-TBA nanocomposites exhibit greatly increased Young's modulus of 4.3 GPa, while maintaining a relative high glass transition temperature of 110 degrees C. In addition, epoxy/alpha-ZrP-TBA nanocomposites are highly toughenable. With an addition of 3 vol% core-shell rubber particles, the K-IC value is improved from 0.55 to 1.55 MPa m(1/2). The usefulness of the present study for preparation of high-performance thermosetting polymers is discussed.
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