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Langmuir Monolayers from Substituted 5´-Phenyl-m-terphenyl Carboxylic Acids

Year: 2001

Journal: Journal of Colloid and Interface Science 239, 145-157 (2001), 20111221

Authors: P. Dynarowiczatka, K. Kita,* P. Milart,* A. Dhanabalan, A. Cavalli, and O. N. Oliveira, Jr.

Organizations: *Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland; Laboratory for Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Laboratorio de Ciencia Fisicas, Universidade Estadual de Norte Fluminense, Campos dos Goytacazes, 21949 Rio de Janeiro,Brazil; and Instituto de Fisica de Sao Carlos, Universidade de Sao Paulo, CP 369, CEP 13560-970, Sao Carlos, SP, Brazil

Aseries of 5´-phenyl-m-terphenyl carboxylic acid (PTCA) derivatives with methyl, chloro, and fluoro substituents at both side phenyl rings have been synthesized and characterized as Langmuir monolayers at the air/water interface. A comparative analysis, based on the surface pressure and electric surface potential measurements under a variety of experimental conditions, is complemented with BAM images.