Public deliverables

Number Description Additional information
Report
5.48 End user matrix

SEAFRONT produced a product specification document which describes the performance requirement of antifouling and anticorrosive coatings for different end-user infrastructures. The end-user specification document is a matrix of coating related performance and application requirements versus the requirements of different end-user applications. The coating related performance and application requirements are divided into Application issues, Performance issues, Features and Usage. The different end-user application addressed are Marine Shipping, Pleasure Craft, Off-shore Oil & Gas, Marine Renewable Energy (tidal and deep-sea), and Aquaculture. The end-user matrix as public deliverable defines the minimum and desirable performances of novel fouling release, biocidal antifouling and anticorrosive paints.

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2.23 Prepare at least 6 zwitterionic intermediates

SEAFRONT produced 6 zwitterionic compounds which have been polymerized with neutral hydrophilic and hydrophobic co-monomers into the polymer coatings in order to dilute the content of the zwitterionic units and to yield suitably robust coatings. The polymerization has been extensively studied, varying several key conditions, inlcuding the type of initiator, the ratio between monomer and cross-linker, the solvent, the curing method and the thickness of the films to find conditions which provided coatings suitable for marine organisms settlement assays. All the coatings exhibited very good antifouling properties, in particular against barnacle settlement.

 

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1.16 Delivery of films possessing LCST/UCST for evaluation of anti-fouling activity

SEAFRONT produced different poly-ethyleneoxideacrylate polymers which showed good mechanical performance and anti-fouling activity. These polymers have a lower-critical-solution-temperature behaviour meaning that at low temperature the polymers are hydrophilic and at higher temperature turn into hydrophobic cocatings. The LCST temperature can be tuned by varying the composition of the co-polymer.

 

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5.49 Preparation of test panels and nets coated with up to six commercial coatings for in-situ deployment.

Test panels and fishnets have been coated with six commercial coatings: Intersleek 700, Intersleek 900, Intersleek 1100SR, Intersmooth 7460, Intersmooth 7460Si, Intercept 8000. The first three commercial coatings are fouling release coatings and the last three are biocidal antifouling coatings. Test panels and fish nets have been deployed at different test sites around the globe and biofouling performance is currently monitored. The collated data will serve as benchmark for novel prototype fouling control coatings developed by the SEAFRONT project, which will be deployed at the same sites in the (near) future.

 

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2.24 Synthesis of at least 24 (6x4) zwitterion-fluoropolymer conjugates The number of prototypes initially scheduled ( 24 ) derives from the availability of 4 fluoropolymer intermediates and 6 zwitterionic intermediates which in principle could be combined together in all the possible combinations to provide 6x4 conjugates.
However, this simple assumption proved not to be feasible due to chemistry limitations, since the functionalities of the fluoropolymers (PFPE derivatives) and those of the zwitterionic intermediates demonstrated not to be compatible for chemical combination.
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1.8

LCST/UCST Coatings

In addition to bound polymers, a number of linear, controlled growth unbound polymers (LCP1-LCP7) have also been prepared to assess and compare solution state properties as well as some linear, uncontrolled growth polymers for comparison (LUP1-LUP5).

Further development of these materials as practical, high performance coatings has brought about the need for the synthesis of block-co-polymers in which the hydrophilic, thermoresponsive polymers are attached to a hydrophobic polymer forming a linear hydrophilic-hydrophobic diblock- or triblock-co-polymer (BcP1-BcP4).

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1.6 + 1.7 Improved films and glass slides processing LCST/UCST
Production of improved films and glass slides possessing LCST/UCST for evaluation of anti-biofouling activity. PDF
7.1 Project website Project website PDF
7.2 Electronic newsletter Newsletter: latest information about the Seafront project and its partners PDF
7.3 Electronic newsletter Newsletter: latest information about the Seafront project and its partners PDF
7.10 List of project contributions to conferences and public meetings. List of project contributions to conferences and public meetings. PDF
7.4 Electronic newsletter Newsletter: latest information about the Seafront project and its partners PDF
2.28 Prepare 36 (6x6) formulations and provide samples to WP4 partners for characterization and performance evaluation. Prepare 36 (6x6) formulations and provide samples to WP4 partners for characterization and performance evaluation. PDF
7.5 Electronic newsletter Newsletter: latest information about the Seafront project and its partners PDF
7.11 List of project contributions to conferences and public meetings. List of project contributions to conferences and public meetings. PDF
7.14 Book of abstracts of the Summer School. Book of abstracts of the Summer School. PDF
7.6 Electronic newsletter Newsletter: latest information about the Seafront project and its partners PDF
7.7 Electronic newsletter Newsletter: latest information about the Seafront project and its partners PDF