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Antifouling systemsAntifouling systemsto reduce biocideto reduce biocide
ShinnichiShinnichi TASHIRO, Masakazu DOI,TASHIRO, Masakazu DOI,YasuyukiYasuyuki KISEKI, Masashi ONOKISEKI, Masashi ONO
International SymposiumInternational SymposiumOn Shipbuilding TechnologyOn Shipbuilding Technology
(ISST 2007)(ISST 2007)
September 7, 2007September 7, 2007Osaka University, JapanOsaka University, Japan
CHUGOKU MARINE PAINTS, LTDCHUGOKU MARINE PAINTS, LTD
Performance of TBT-AFAbstract Copper
typeCopperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Performance of TBT-AFAbstract Copper
typeCopperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Performance of TBT-Free systemsAbstract Copper
typeCopperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Subject Matter
• Introduction of TBT-Free antifouling technology and performance
Biocide-freeTechnology
HydrolysisTechnology
3 types
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT to TBT-Free
Hydrolysis technologies are based onTBT-antifouling systems.
BoosterBiocides
CuprousOxide
HydrolyzingTBT Polymer
TBT Hydrolysis antifoulings
BoosterBiocides
CuprousOxide
HydrolyzingPolymer
TBT-Free Hydrolysis antifoulings
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Bioactive
Not Bioactive
Hydrolysis Mechanism
Seawater Paint Film
Biocide
DissolvedBiocide
HydrolyzingPolymer
HydrolyzedPolymer
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Reaction layer
Hydrophobicresin
Hydrophilicresin
Section Photo of TBT-AF
Seawater side Hull side
Reaction Layer (Bioactive-TBT)
Existing AF (White)
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Section Photo of TBT-free Hydrolysis AF
Seawater side Hull side
Reaction Layer (Less bioactive)
Existing AF (White)
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Section Photo of TBT-free conventional AF
Seawater side Hull side
Inactive Layer (Less bioactive)
Existing AF (White)
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
BoosterBiocides
CuprousOxide
HydrolyzingPolymer
1. Copper-type Hydrolysis antifoulings
BoosterBiocides
HydrolyzingPolymer
2. Copper-free Hydrolysis antifoulings
Copper-Free
HydrolyzingPolymer
3. Biocide-free Hydrolysis antifoulings
Biocide-Free
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
BoosterBiocides
CuprousOxide
HydrolyzingPolymer
Copper-type Hydrolysis antifoulings
BoosterBiocides
HydrolyzingPolymer
Copper-free Hydrolysis antifoulings
Copper-Free
HydrolyzingPolymer
Biocide-free Hydrolysis antifoulings
Biocide-Free
TBT-Free Hydrolysis Technology
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free
BoosterBiocides
CuprousOxide
HydrolyzingPolymer
TBT-Free Hydrolysis Technology
1. Copper-type Hydrolysis antifoulings
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
1. Copper-type Hydrolysis antifoulings
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
1. Copper-type Hydrolysis antifoulings
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
1. Copper-type Hydrolysis antifoulings
TBT-Free Hydrolysis Technology
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free
BoosterBiocides
HydrolyzingPolymer
TBT-Free Hydrolysis Technology
2. Copper-free Hydrolysis antifoulings
BoosterBiocides
HydrolyzingPolymer
Copper-free Hydrolysis antifoulings
Copper-Free
HydrolyzingPolymer
Biocide-free Hydrolysis antifoulings
Biocide-Free
BoosterBiocides
CuprousOxide
HydrolyzingPolymer
Copper-type Hydrolysis antifoulings
Copper-Free
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
2. Copper-free Hydrolysis antifoulings
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
2. Copper-free Hydrolysis antifoulings
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
2. Copper-free Hydrolysis antifoulings
TBT-Free Hydrolysis Technology
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free
HydrolyzingPolymer
TBT-Free Hydrolysis Technology
3. Biocide-free Hydrolysis antifoulings
Copper-FreeBoosterBiocides
CuprousOxide
HydrolyzingPolymer
Copper-type Hydrolysis antifoulings
BoosterBiocides
HydrolyzingPolymer
Copper-free Hydrolysis antifoulings
Copper-Free
HydrolyzingPolymer
Biocide-free Hydrolysis antifoulings
Biocide-Free
Biocide-Free
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
3. Biocide-free Hydrolysis antifoulings
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
TBT-Free Hydrolysis Technology
3. Biocide-free Hydrolysis antifoulings
Biocide-free Technology
ElectrochemicalPrevention
DisinfectantCl2, ClO-
Silicone elastomer(foul-release)
Foul ReleaseLow Surface Energy
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Difficultly settled & Easily detached
Low surface energyUltra smooth surfaceGreater elasticity
ElectrochemicalPrevention
DisinfectantCl2, ClO-
Silicone elastomer(foul-release)
Foul ReleaseLow Surface Energy
Biocide-free Technology
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Biocide-free Technology
Silicone Foul Release Coating System
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Biocide-free Technology
Silicone Foul Release Coating System
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Biocide-free TechnologySilicone Foul Release Coating System
Summary
• No single antifouling technology is perfect for all vessel types
• Without resorting to a single antifouling system, a wide range of research is important
Abstract Coppertype
Copperfree
Biocidefree
Siliconeelastomer
Electro-chemical Summary
Antifouling Systems to Reduce BiocideAntifouling Systems to Reduce Biocide
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CHUGOKU MARINE PAINTS, LTDCHUGOKU MARINE PAINTS, LTD
