Novel modifiers for layered double hydroxides and their effects on the properties of polylactic acid composites

作者: Jin Uk Ha , Marino Xanthos

DOI: 10.1016/J.CLAY.2009.11.033

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摘要: Abstract Hydrophobic modification of a carbonated layered double hydroxide (LDH) and its calcined equivalent was conducted by direct ion exchange reactions with three ionic liquids having the same phosphonium-based cation, but different anions. Among liquids, successful anionic intercalation only carried out when LDH reacted phosphinate anion containing liquid, in excess stoichiometric amount. Ionic linear decanoate or least bulky PF 6 promoted formation surface coating rather than increase interlayer space as confirmed X-ray Diffraction, Infrared Spectroscopy, Thermogravimetric analysis. The intercalated found to minimize plasticizing/degradative effect liquid on polylactic acid PLA matrix could be used reservoir for controlled release phosphorous anions antibacterial similar applications.

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