期刊
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
卷 48, 期 4, 页码 374-378出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/03602550902725365
关键词
Cracking of hydraulic mass concrete; Maleic anhydride; Mechanical properties; Nanocomposites; Polypropylene; Vermiculite
资金
- China national science foundation [50539010]
- China non-profit research institute research fund [YWF0729/CL02]
Polypropylene/Maleic anhydride compatibilized polypropylene (MPP)/Organo-Vermiculite nanocomposites with different clay loadings were prepared via melt mixing using a twin screw extruder. The vermiculite (VMT) was pre-modified with Maleic anhydride (MA) by ball milling. The mechanism of VMT modification by MA was discussed. The resultant PP/MPP/OVMT nanocomposites possess an intercalated or exfoliated structure as confirmed by both wide angle X-ray diffraction (WAXD) and transmission electron microscopy (TEM). The mechanical property tests show that the tensile strength, flexural strength of these nanocomposites increase dramatically with the OVMT loading; the fracture toughness remain almost unchanged, and the Charpy impact strength decrease slightly.
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