Effects of modifying agents on surface modifications of magnesium oxide whiskers
writer：Zhao Yun, Liu Bei, Yang Jinjun, Jia Junping, You Chen, Chen Minfang
keywords：Modification, Poly(L-lactide), Mechanical property
source：期刊
specific source：Applied Surface Science
Issue time：2016年
tIn this work, the MgO whiskers have been treated by several modifying agents including the mixture ofdl-malic acid oligo-l-lactide (g), aluminate coupling agent (Al) and stearic acid (Sa). The morphologies,covering quantity, compositions and components of the whiskers before and after the modifications wereinvestigated by SEM, TG, XRD and FT-IR, respectively. Comparisons have been made on the morphologiesof modified whiskers by different modifiers tailoring. The results show that the MgO whiskers treated bystearic acid have superior performance to the others, especially in terms of uniform dispersion. In contrast,both the mixture of dl-malic acid oligo-l-lactide and aluminate coupling agent have the negative effectson whiskers’ dispersibility. FT-IR reveals that the chemical bonds were formed between the whiskersand each modifying agent and the XRD testing demonstrate that the crystal structures of the modifiedwhiskers were well maintained without significant change.