Grace Chigwada

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The leaf oil of Heteropyxis dehniae Suess. (Heteropyxidaceae) was obtained by hydrodistillation and analyzed by GC/MS. The most abundant essential oil components are linalool (58.3%), 4-terpineol (9.8%), alpha-terpineol (3.6%), and caryophyllene oxide (3.1%). The antimicrobial activity against Bacillus cereus, Staphylococcus aureus, Pseudomonas aeruginosa,(More)
As new flame retardant (FR) approaches are developed they must be evaluated with conventional FR additives, processing additives, stabilizers, and fillers. In most cases this is done in a number of polymers, and a variety of processing conditions also must be optimized. Thus the development of new FR methods is a multi-parameter problem. A full-factorial(More)
Organically-modified montmorillonite (MMT) clays have been prepared using ammonium salts containing quinoline, pyridine, benzene, and styrenic groups. The nanocomposites were prepared by melt blending and the formation of nanocomposites was characterized using X-ray diffraction (XRD) and transmission electron microscopy (TEM). Thermal stability and(More)
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