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    Surface Functionalization of Electrospun Poly(butylene terephthalate) Fibers by Surface-Initiated Radical Polymerization

    Year: 2015

    Journal: MACROMOLECULAR CHEMISTRY AND PHYSICS, Vol. 216, p 1103-1108, 20170208

    Authors: Higaki, Yuji; Kabayama, Hirofumi; Tao, Di; Takahara, Atsushi

    Organizations: Kyushu Univ, Grad Sch Engn, Nishi Ku, Fukuoka 8190395, Japan; Kyushu Univ, Inst Mat Chem & Engn, Nishi Ku, Fukuoka 8190395, Japan; JST ERATO Takahara Soft Interfaces Project, Nishi Ku, Fukuoka 8190395, Japan; Int Inst Carbon Neutral Energy Res WPI I2CNER, Nishi Ku, Fukuoka 8190395, Japan

    A facile surface modification procedure for electrospun poly(butylene terephthalate) (PBT) fibers by surface-initiated atom transfer radical polymerization (SI-ATRP) is reported. Initiators are introduced through aminolysis and chemical vapor adsorption. SI-ATRP is subsequently carried out to prepare a polymer-grafted layer at the PBT fiber surface without altering the fiber geometry. After modification with a zwitterionic poly(sulfobetaine), poly(3-(N-2-methacryloyloxyethyl-N,N-dimethyl) ammonatopropanesulfonate), the surface is superhydrophilic. The surface properties are thermally stable due to the high melting temperature of the PBT crystallites and are maintained for a prolonged period.