Antifouling systems Antifouling systems to reduce biocide to - - PowerPoint PPT Presentation

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Antifouling systems Antifouling systems to reduce biocide to - - PowerPoint PPT Presentation

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Antifouling systems Antifouling systems to reduce biocide to reduce biocide Shinnichi TASHIRO, Masakazu DOI, TASHIRO, Masakazu DOI, Shinnichi Yasuyuki KISEKI, Masashi ONO KISEKI, Masashi ONO Yasuyuki International Symposium International

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Antifouling systems Antifouling systems to reduce biocide to reduce biocide

Shinnichi Shinnichi TASHIRO, Masakazu DOI, TASHIRO, Masakazu DOI, Yasuyuki Yasuyuki KISEKI, Masashi ONO KISEKI, Masashi ONO International Symposium International Symposium On Shipbuilding Technology On Shipbuilding Technology (ISST 2007) (ISST 2007) September 7, 2007 September 7, 2007 Osaka University, Japan Osaka University, Japan

CHUGOKU MARINE PAINTS, LTD CHUGOKU MARINE PAINTS, LTD

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Performance of TBT-AF

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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Performance of TBT-AF

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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Performance of TBT-Free systems

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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Subject Matter

  • Introduction of TBT-Free antifouling

technology and performance Biocide-free Technology Hydrolysis Technology 3 types

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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TBT to TBT-Free Hydrolysis technologies are based on TBT-antifouling systems.

Booster Biocides Cuprous Oxide Hydrolyzing TBT Polymer TBT Hydrolysis antifoulings Booster Biocides Cuprous Oxide Hydrolyzing Polymer TBT-Free Hydrolysis antifoulings

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

Bioactive Not Bioactive

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Hydrolysis Mechanism

Seawater Paint Film Biocide Dissolved Biocide Hydrolyzing Polymer Hydrolyzed Polymer

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

Reaction layer

Hydrophobic resin Hydrophilic resin

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Section Photo of TBT-AF

Seawater side Hull side Reaction Layer (Bioactive-TBT) Existing AF (White)

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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Section Photo of TBT-free Hydrolysis AF

Seawater side Hull side Reaction Layer (Less bioactive) Existing AF (White)

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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Section Photo of TBT-free conventional AF

Seawater side Hull side Inactive Layer (Less bioactive) Existing AF (White)

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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TBT-Free Hydrolysis Technology

Booster Biocides Cuprous Oxide Hydrolyzing Polymer

  • 1. Copper-type Hydrolysis antifoulings

Booster Biocides Hydrolyzing Polymer

  • 2. Copper-free Hydrolysis antifoulings

Copper-Free

Hydrolyzing Polymer

  • 3. Biocide-free Hydrolysis antifoulings

Biocide-Free

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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Booster Biocides Cuprous Oxide Hydrolyzing Polymer Copper-type Hydrolysis antifoulings Booster Biocides Hydrolyzing Polymer Copper-free Hydrolysis antifoulings Copper-Free Hydrolyzing Polymer Biocide-free Hydrolysis antifoulings Biocide-Free

TBT-Free Hydrolysis Technology

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free

Booster Biocides Cuprous Oxide Hydrolyzing Polymer

TBT-Free Hydrolysis Technology

  • 1. Copper-type Hydrolysis antifoulings
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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free Hydrolysis Technology

  • 1. Copper-type Hydrolysis antifoulings
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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free Hydrolysis Technology

  • 1. Copper-type Hydrolysis antifoulings
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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free Hydrolysis Technology

  • 1. Copper-type Hydrolysis antifoulings
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TBT-Free Hydrolysis Technology

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free

Booster Biocides Hydrolyzing Polymer

TBT-Free Hydrolysis Technology

  • 2. Copper-free Hydrolysis antifoulings

Booster Biocides Hydrolyzing Polymer Copper-free Hydrolysis antifoulings Copper-Free Hydrolyzing Polymer Biocide-free Hydrolysis antifoulings Biocide-Free Booster Biocides Cuprous Oxide Hydrolyzing Polymer Copper-type Hydrolysis antifoulings

Copper-Free

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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free Hydrolysis Technology

  • 2. Copper-free Hydrolysis antifoulings
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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free Hydrolysis Technology

  • 2. Copper-free Hydrolysis antifoulings
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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free Hydrolysis Technology

  • 2. Copper-free Hydrolysis antifoulings
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TBT-Free Hydrolysis Technology

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free

Hydrolyzing Polymer

TBT-Free Hydrolysis Technology

  • 3. Biocide-free Hydrolysis antifoulings

Copper-Free

Booster Biocides Cuprous Oxide Hydrolyzing Polymer Copper-type Hydrolysis antifoulings Booster Biocides Hydrolyzing Polymer Copper-free Hydrolysis antifoulings Copper-Free Hydrolyzing Polymer Biocide-free Hydrolysis antifoulings Biocide-Free

Biocide-Free

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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free Hydrolysis Technology

  • 3. Biocide-free Hydrolysis antifoulings
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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

TBT-Free Hydrolysis Technology

  • 3. Biocide-free Hydrolysis antifoulings
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Biocide-free Technology

Electrochemical Prevention

Disinfectant Cl2, ClO-

Silicone elastomer (foul-release)

Foul Release Low Surface Energy

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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Difficultly settled & Easily detached Low surface energy Ultra smooth surface Greater elasticity

Electrochemical Prevention Disinfectant Cl2, ClO- Silicone elastomer (foul-release) Foul Release Low Surface Energy

Biocide-free Technology

Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

Biocide-free Technology

Silicone Foul Release Coating System

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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

Biocide-free Technology

Silicone Foul Release Coating System

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Abstract Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

Biocide-free Technology

Silicone Foul Release Coating System

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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 Copper type Copper free Biocide free Silicone elastomer Electro- chemical Summary

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Antifouling Systems to Reduce Biocide Antifouling Systems to Reduce Biocide

THANK YOU THANK YOU

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