2016•Journal of Nanoscience and NanotechnologyRequires access

Surface Enrichment of Fluorocarbon End-Capped Polymers with Different Fluorocarbon Lengths

Chang‐Sik Ha, Sung Soo Park, Ildoo Jung, Youngkwang Cho, Chan Young Park, Won‐Ki Lee, Kwon Taek Lim

Abstract

This study investigated the surface structure of fluorocarbon end-capped l-poly(lactide)s (F-PLLA) with different fluorocarbon lengths by electron spectroscopy for chemical analysis (ESCA). Fluorocarbon chains of three lengths (F(CF2)n(CH2)2, where n = 6, 8, and 10) have been synthesized as the terminal group to PLLA. Angular dependent ESCA revealed that the fluorocarbon groups are segregated at the surface. Further, the results show the surface coverage of fluorocarbon groups rapidly increases with increasing the length of fluorocarbon end groups (synergy effect). The surface composition of F-PLLAs can be controlled by changing the length of fluorocarbon.

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Key concepts: Fluorocarbon, Materials science, Polymer chemistry, Polymer, Chemical engineering, Composite material, Engineering