JP6208566B2 - 高分子材の防汚性付与方法 - Google Patents
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- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 description 5
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- 229910002012 Aerosil® Inorganic materials 0.000 description 1
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Landscapes
- Paints Or Removers (AREA)
Description
1)硬磁性体粉A(市販Mn-Zn系フェライト粉)
粒子径:1.5〜2.0μm
嵩比重:1.3
初期透磁率:6000-12000μi
飽和磁束密度:350-460mT
2)硬磁性体粉B(市販Ni-Zn系フェライト粉 )
粒子径:1.5〜1.8μm
嵩比重:1.3
初期透磁率:5-2000μi
飽和磁束密度:220-450mT
3)軟磁性体粉(市販三酸化二鉄(Fe2O3)粉;三津和化学薬品製)
粒子径:不明
嵩比重:1.4
1)放射性セラミックス粉
(モナザイト/ジルコン系;美濃顔料化学社製)
粒子径:0.5〜1.0μm
嵩比重:1.1
電磁波強度:0.29mG/h
γ放射線当量:4.77μSV/h
放射線濃度:250Bq/h
強磁性体粉(硬磁性体粉A・B、軟磁性体粉、混合系強磁性体粉)と、天然放射性物質粉(放射性セラミックス粉)とを強磁性体粉/天然放射性物質粉=98/2の混合物を添加剤として、表1に示す各市販塗料と組み合わせて、塗料100部(塗膜形成成分)に対して3部ずつ添加混合し、実施例群Iの各防汚塗料を調製した。
1)アクリル樹脂塗料:
「アスカ」(関西ペイント株式会社商品名)
常温架橋形アクリル樹脂系つや有り塗料/水性
2)市販アルキド樹脂塗料:
アクリル変性アルキッド樹脂塗料/油性
「カンペOFP」 (関西ペイント株式会社商品名)
3)船底塗料:加水分解型船底塗料/油性
「なぎ塗料一番」(日本ペイントマリン株式会社商品名)
寸法:78.5mm×4.5mm×1.5mm、
表面集束密度:420mT
吸着力:7.5kgf
上記で作成した着磁処理無と着磁処理有の上記各供試体2組(合計24枚)を、下記条件で海中に浸漬させた状態で放置し、海息生物の付着状態を観察した。
設置場所:沖縄県宜野湾市真喜志地域 宜野湾港マリーナ港内
設置期間:平成18年3月3日〜平成18年10月6日
浸漬状態:水深 約1.5mに懸垂
◎:貝甲類の付着しない部分が全体の95%以上の状態、
○:貝甲類の付着しない部分が全体の70%以上、95%未満の状態、
△:貝甲類の付着しない部分が全体の50%以上、70%未満の状態、
▲:貝甲類の付着しない部分が全体の20%以上、50%未満の状態、
×:貝甲類の付着しない部分が全体の20%未満、
―:試験せず。
実施例群Iにおいて、添加剤を強磁性体粉/天然放射性物質粉=95/5とし、添加剤と塗料との組み合わせを表3に示すものとした以外は、同様にして、各防汚塗料を調製した。そして調製した各防汚塗料を用い、実施例群Iと同様にして、FRP板又は鋼板に塗布して、供試体を調製し、海中浸漬試験を行った。評価結果を表2に示す。
実施例群1において、添加剤を強磁性体粉のみとし、添加剤と塗料との組み合わせを表2に示すものとした以外は、同様にして、各防汚塗料を調製した。そして、調製した各防汚塗料を用い、実施例群Iと同様にして、FRP板に塗布して、供試体を作成し、海中浸漬試験を行った。評価結果を表3に示す。
表4に示す前記各市販塗料を用いて、実施例群Iと同様にして、FRP板又は鋼板に塗布して、着磁処理は施さずに供試体を作成し、海中浸漬試験を行った。評価結果を表4に示す。
(i)添加剤成分の天然放射性物質の添加を省略した場合、着磁処理を施こすことで貝甲類の付着防止効果を高めることができた。
Claims (7)
- 液状の又は粉粒状の高分子材に未着磁の乃至脱磁処理をした強磁性体粉とともに天然放射性物質粉を添加して、混合分散させたものを硬化させる高分子材の防汚性付与方法であって、
前記強磁性体粉が硬磁性体粉と軟磁性体粉との混合系であることを特徴とする高分子材の防汚性付与方法。 - 液状の又は粉粒状の高分子材に未着磁の乃至脱磁処理をした強磁性体粉とともに天然放射性物質粉を添加して、混合分散させたものを硬化させ、さらに、該硬化高分子材を着磁処理する高分子材の防汚性付与方法であって、
前記強磁性体粉が硬磁性体粉と軟磁性体粉との混合系であることを特徴とする高分子材の防汚性付与方法。 - 液状の又は粉粒状の高分子材に未着磁の乃至脱磁処理をした強磁性体粉を添加して、混合分散させたものを硬化させ、さらに、該硬化高分子材を着磁処理する高分子材の防汚性付与方法であって、
前記強磁性体粉が硬磁性体粉と軟磁性体粉との混合系であることを特徴とする高分子材の防汚性付与方法。 - 前記天然放射性物質粉が、一次放射性核種であるTh及び/又はUを含有する天然放射性鉱物粉であることを特徴とする請求項1又は2記載の高分子材の防汚性付与方法。
- 前記液状の又は粉粒状の高分子材が、耐水性および耐摩耗性・耐擦傷性を有する防汚塗料であることを特徴とする請求項1〜4のいずれかに記載の高分子材の防汚性付与方法。
- 液状又は粉粒状の高分子材に添加し、硬化させた高分子材に水生生物の防汚効果を付与する防汚添加剤であって、
未着磁の乃至脱磁処理した強磁性体粉に天然放射性物質粉を混合して、γ線放射線当量(湿度60%、測定距離0mm;以下同じ)で、0.1μSV/h以上を示すものとされ、
前記強磁性体粉が硬磁性体粉と軟磁性体粉との混合系であることを特徴とする高分子材の防汚添加剤。 - 前記強磁性体粉と前記天然放射性物質粉との混合比が、天然放射性物質粉がγ線放射線当量:1〜5μSV/hの場合、前者/後者(質量比)=99/1〜85/15であることを特徴とする請求項6記載の高分子材の防汚添加剤。
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| CN110452536A (zh) * | 2018-05-08 | 2019-11-15 | 中环海化(厦门)船舶智能涂料有限公司 | 一种表面纹理可控的智能仿生防污材料 |
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| JPH03106487A (ja) * | 1989-09-20 | 1991-05-07 | Kota Shimamoto | 水中生物防汚方法 |
| JP3074581B2 (ja) * | 1992-06-19 | 2000-08-07 | 三菱重工業株式会社 | 海洋生物付着防止用導電性塗料 |
| US6001157A (en) * | 1998-12-28 | 1999-12-14 | Nogami; Hideaki | Additive for antifouling paint |
| JP2000340415A (ja) * | 1999-05-25 | 2000-12-08 | One Akitoshi | 磁気エネルギー赤外線放射材料および放射体 |
| JP3555878B2 (ja) * | 2000-02-07 | 2004-08-18 | 光正 杉本 | 生物付着防止塗料、テープ又はシートの使用方法 |
| JP2004026893A (ja) * | 2002-06-21 | 2004-01-29 | Nitto Kasei Co Ltd | 防汚塗料組成物、海中物品類および防汚方法 |
| JP2008274094A (ja) * | 2007-04-27 | 2008-11-13 | Sano Shoji Kk | 防汚塗料添加助剤とそれを含有する船底塗料 |
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