Synthesis of Perfluorinated Acrylate and Methacrylate Fouling-Release Polymers

Ship-hull protection from fouling organisms is essential for efficient Fleet operation, energy conservation, clean/re-coat costs. Ineffective fouling control results in increased fuel consumption, reduced speeds, and elevated dry-dock expenses. Current Navy and commercial fouling-control coatings contain toxics (tin, copper, biocides/pesticides) that are potential pollution sources and are increasingly regulated, which may impede normal Fleet operations.

The technical approach for this project was to develop non-toxic, long-life, easy-fouling-release coatings for ship-hull fouling control and other applications in fouling environments. The approach taken was to:

  • Design and optimize experiments to characterize surfaces that exhibit fouling release properties;
  • Maximize consistency and reproducibility in formulation, application, exposure, and testing;
  • Correlate surface characterization data with coating performance data by developing predictors to design an optimum fouling release surface, and investigate properties of the bioadhesive - polymer coating interface; and
  • Demonstrate critical coating contributions and determine impact on easy-fouling-release performance: (low surface energy, coating flexibility, surface homogeneity and structure, and sidechain orientation)
 

Computer/temperature-controlled polymerization reactors.

More Information:

  • "Solid State 13C-NMR Investigations of Perfluorooctylacrylate - Methylacrylate Copolymer Blends", K. L. Altmann, L. H. Merwin, & R. D. George, ACS Polymer Preprints, 38(1) (1997) 786.
  • "Synthesis of Perfluorinated Acrylate & Methacrylate Fouling-Release Polymers", E. M. Arias, M. D. Putnam, P. A. Boss, R. D. Boss, A. A. Anderson, & R. D. George*, ACS Polymer Preprints, 38(1) (1997) 512.
  • "Perfluorinated Acrylate & Methacrylate Fouling-Release Polymers: 1. Synthesis & Characterization", E. M. Arias, M. D. Putnam, P. A. Boss, R. D. Boss, A. A. Anderson, & R. D. George; Proc. U.S./Pacific Rim Workshop on Emerging Non-Metallic Materials for the Marine Environment (1997) 4.17.
  • "Perfluorinated Acrylate & Methacrylate Fouling-Release Polymers: 2. Coating Preparation, Characterization, & Properties", E. M. Arias, J. L. Gray, L. B. Truong, A. A. Anderson, M. D. Putnam, R. D. Boss, & R. D. George, Proc. U.S./Pacific Rim Workshop on Emerging Non-Metallic Materials for the Marine Environment (1997) 4.28.

For more information contact the Environmental, Materials, & Coatings Laboratory (EMCL).