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Preparation and Characterization of Dual Stimuli-responsive Microcapsules with a Superparamagnetic Porous Membrane and Thermo-responsive Gates by Wen-Chuan Yang; Rui Xie; Xue-Qin Pang; Xiao-Jie Ju; Liang-Yin Chu is a Engineering article available to read on EtoBox.

What is Preparation and Characterization of Dual Stimuli-responsive Microcapsules with a Superparamagnetic Porous Membrane and Thermo-responsive Gates about?

A novel dual stimuli-responsive microcapsule with a superparamagnetic porous membrane and linear-grafted poly(N-isopropylacrylamide) (PNIPAM) gates in the membrane pores is successfully prepared and characterized. Oleic acid (OA)-modified Fe 3 O 4 nanoparticles are embedded into the polyamide microcapsule membrane during interfacial polymerization process, and then plasma-induced grafting polymerization is used to graft PNIPAM into the pores of microcapsule membranes. The prepared microcapsule membranes exhibit time-independent superparamagnetic property with good magnetic-responsive ability, and satisfactory thermo-responsive controlled-release property due to the thermo-responsive swollen/shrunken property of PNIPAM gates grafted on the inner pore surface of the microcapsule membranes.

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Author

Wen-Chuan Yang; Rui Xie; Xue-Qin Pang; Xiao-Jie Ju; Liang-Yin Chu

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0376-7388)

Published

2008

Language

EN

Field

Engineering (Physical Sciences)