WO2003067990A1 - Agent de prevention de salissures - Google Patents
Agent de prevention de salissures Download PDFInfo
- Publication number
- WO2003067990A1 WO2003067990A1 PCT/JP2002/001356 JP0201356W WO03067990A1 WO 2003067990 A1 WO2003067990 A1 WO 2003067990A1 JP 0201356 W JP0201356 W JP 0201356W WO 03067990 A1 WO03067990 A1 WO 03067990A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- acid
- group
- gel
- inhibitor
- inhibitor according
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
Definitions
- the present invention relates to a marine organism adhesion preventing agent for preventing marine organisms from attaching to a fish net, a ship bottom, or the like.
- drugs called antifouling agents are applied to fishing nets and ship bottoms to prevent fouling organisms from adhering.
- This chemical is based on organic nitrogen sulfur or inorganic copper compounds that have a herbicidal effect. When immersed in seawater, it gradually dissolves and exhibits a herbicidal effect. In other words, this means that it has an indiscriminate effect not only on the surface of nets and other foods, but also on edible marine products such as the useful seaweed that lives in the vicinity, such as konbu ni abi.
- a number of malformations in which male genitalia appeared in female shells were found throughout the Japanese coast.
- an object of the present invention is to provide an antifouling treatment method which does not affect ecosystems and the natural environment, replacing conventional antifouling agents. Disclosure of the invention
- the present invention (1) is a marine organism adhesion inhibitor comprising a hide mouth gel.
- the present invention (2) is the inhibitor according to the above-mentioned invention (1), wherein the hide mouth gel has a proton concentration of 10 to 4 mol / L to 5 mol / L.
- the proton is caused by an acidic group of a network polymer constituting the hide mouth gel, and Z or a network polymer constituting the hide mouth gel.
- the inhibitor according to the invention (2) which is caused by an acidic substance present in the gap.
- the acidic group is selected from the group consisting of a carboxyl group, a hydroxy group bonded to an electron-withdrawing aromatic ring, a sulfonic acid group and a phosphoric acid group. It is an inhibitor.
- the hide mouth gel is preferably made of poly-2-acrylamido-2-methylpropanesulfonic acid (PAMPS), polyvinylphenol, polymaleic acid, polyacrylic acid (PAA) or polymethacrylic acid (PMAA).
- PAMPS poly-2-acrylamido-2-methylpropanesulfonic acid
- PAA polyacrylic acid
- PMAA polymethacrylic acid
- the inhibitor according to the invention (4) which is selected from the group consisting of a homopolymer gel and a copolymer polymer gel, which chemically or physically contains the following units in a network.
- the present invention (6) is the inhibitor according to any one of the inventions (2) to (5), wherein the acidic substance is an inorganic acid or an organic acid.
- Figure 3 shows the spores of Honeysuckle spores on PMAA gel (after 2 weeks).
- FIG. 4 shows the relationship between the degree of swelling of the PAMPS and PAA gels and the germination rate of the mites sprouts.
- ⁇ shows the results on PAMPS gel
- Hata shows the results on PAA gel.
- Figure 5 shows the determination of the life and death of the spores of Honeysuckle using neutral red ⁇ on PAA gel, 4 weeks later (1) heat-treated sample, (2) untreated sample).
- the hydrogel according to the present invention is not particularly limited as long as it is a hydrogel using water as a dispersion medium, and may be a natural polymer gel as well as a synthetic polymer gel.
- a hydrogel having a swelling degree of 1.5 to 500 is preferable, and a hydrogel having a swelling degree of 2 to 100 is particularly preferable.
- the degree of swelling is a value obtained by dividing the sum of the weight of water in the gel at the hide mouth and the weight of one polymer by the weight of the polymer.
- Particularly suitable hydrogels proton density, 1 0- 4 mo l / L ⁇ 5 mol / L ( most preferably, 1 0- 2 mol / L ⁇ l mol / L) include those which are Can be.
- this proton may be caused by an acidic group of the network polymer constituting the hide-mouth gel or by an acidic substance existing between the network polymers constituting the hydrogel, Alternatively, it may be caused by both.
- the proton concentration is a value obtained by dividing the number of moles of protons originally held by the acidic group or the acidic substance by the volume of the hydrogel, that is, dissociated from the acidic group or the acidic substance. The sum of the number of moles of protons and the number of moles of undissociated protons still bound to acidic groups or acidic substances is divided by the volume of the hydrogel.
- Examples of the acidic group of the network polymer constituting the hide mouth gel include a carboxy group, a sulfonic acid group, a phosphoric acid group, and a hydroxy group (for example, a phenol group) bonded to an electron-withdrawing aromatic ring. Particularly preferred among them are carboxyl groups.
- Examples of the hydrated gel in which the network polymer has such an acidic group include poly-2-acrylamide-2-methylpropanesulfonic acid (PAMPS), polyacrylic acid (PAA;), and polymethacrylic acid. (PMA A :), homo- or copolymer gels containing polyvinylphenol or polymaleic acid units chemically or physically in the network.
- PAMPS poly-2-acrylamide-2-methylpropanesulfonic acid
- PAA polyacrylic acid
- PMA A polymethacrylic acid
- the acidic substance may be an inorganic acid or an organic acid, and may be a low-molecular or high-molecular substance.
- inorganic acids include hydrochloric acid, sulfuric acid, and phosphoric acid.
- organic acids include low-molecular-weight acids such as carboxylic acids, for example, aliphatic carboxylic acids such as acetic acid and butyric acid, benzoic acid, and sulfuric acid.
- Aromatic carboxylic acids such as phosphoric acid, ascorbic acid, and carboxylic acids such as tartaric acid and malic acid can be mentioned.
- Homopolymers and copolymers of polymerizable organic carboxylic acid monomers, polymerizable phenolic monomers, polymerizable organic sulfonic acid monomers and polymerizable organic phosphoric acid monomers for example, polyacrylic acid, polymethacrylic acid, polymaleic acid, polyitaconic acid , Polyvinyl phenol, polystyrene sulfonic acid, polyethylene sulfonic acid, poly- ⁇ -methylstyrene sulfonic acid, polyvinyl phosphoric acid, polyphosphate ester, and the like.
- marine life in the present invention is not particularly limited as long as it is a plant or animal that inhabits the ocean, and examples thereof include marine plants such as kelp and marine animals such as Fujipo, Kasane Kansashi, and Blue Mussel. .
- the hide mouth gel according to the present invention can be produced by a known method.
- examples of the method for producing a hydrogen from a monomer include polymerization methods such as photopolymerization, radiation polymerization, thermal polymerization, and catalyst polymerization in a system in which a crosslinking agent coexists.
- examples of the method for producing a compound include a radiation crosslinking method, a chemical crosslinking method, and a physical crosslinking method.
- an acid group-containing monomer or an acid group-containing polymer is used as a raw material.
- the acidic substance may be physically impregnated after the gel is produced, or the hide port may be produced.
- a method in which an acidic substance which is not involved in network polymer formation even by cross-linking is mixed into a raw material of a mouth-opening gel containing a monomer or a polymer.
- the marine organism antifouling agent according to the present invention can be used for underwater structures such as the bottom of ships, seawater intake channels, drainage channels and tetrapods, aquaculture nets, aquaculture of buoys and fixed nets, and marine facilities.
- the hydrogel according to the present invention is directly formed on these adherends in addition to the means for attaching the hydrogel according to the present invention to these adherends with an adhesive or the like. Means can be mentioned.
- Synthetic polymer gels include anionic (negatively charged) gels: strong electrolyte ⁇ ⁇ ⁇ ⁇ S (poly 2-acrylamide-2-methylpropanesulfonic acid) gel, weak electrolyte ⁇ ⁇ ⁇ ⁇ (polyacrylic acid) gel, ⁇ (Polymer acrylic acid) gel was prepared.
- the gel after polymerization was equilibrated and swelled with seawater (about 1 week) and autoclaved once before use before use.
- Seaweeds are generally covered with PAA and PAMP S gels, since the surface is generally covered with a slimy, viscous polysaccharide, which may play a significant role in protecting itself from other attached organisms.
- a hydrophobic Teflon substrate was also prepared to obtain a graft-like slimy surface gel.
- concentration of the crosslinking agent, the concentration of the initiator, the degree of swelling of the obtained hydrogel, and the concentration of the proton in the present example are shown.
- kelp was selected as a marine organism, and Mitsui kelp (collected from October to January) collected from Muroran II and Chiaranai Beach was used. Mature alga bodies were cut into approximately 2 cm squares and rinsed several times with autoclaved seawater. The zoospores then emerged from the algal cells when they were gently drained into petri dishes, allowed to stand in a cool dark place for approximately 12 hours, and then poured under cold seawater under fluorescent lighting.
- PAA gel -Anionic (negative charge) weak electrolyte gel
- FIG. 4 shows the relationship between the germination rate of zoospores and the degree of swelling on PAMPS and PAA gels.
- the dye used for viability determination (neutral red) stains the cytoplasm of living cells, but does not stain dead cells.
- Two zoospores inoculated on PAA gel were prepared and left in the culture room for about 6 hours (wait until the bottom reached), and one of each was artificially killed by heat treatment (70, 5 min). Thereafter, 0.25 ml of a 0.11% seawater solution of neutraral red was added dropwise to all the samples. After 5 minutes, the samples were rinsed several times with filtered seawater, and the stain was observed by an optical microscope.
- Figure 6 shows the zoospores on the PAA gel. Neither the heat-treated zoospores (1) nor the untreated zoospores (2) were stained, and it was confirmed that all the zoospores died within 6 hours after seeding on the PAA gel. In addition, the dead zoospores were still attached to the gel, and it was apparent that they had died, despite recognizing the PAA gel as the base and releasing the adhesive protein. The invention's effect
- the adhesion of marine fouling substances can be suppressed by a material that is as harmless as possible to the natural world, so that it can be applied to ecosystems such as marine pollution and fish and shellfish by using highly toxic chemical substances. Harm can be suppressed. Furthermore, when such a gel is applied, coated, or coated on the bottom or side of a ship, it has the effect of reducing frictional resistance (see Japanese Patent Application No. 2001-136 17). Therefore, it is more effective. It is also expected that the non-use of consumable drugs will reduce the financial burden on fishermen.
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002233642A AU2002233642A1 (en) | 2002-02-18 | 2002-02-18 | Marine growth preventive agent |
JP2003567188A JPWO2003067990A1 (ja) | 2002-02-18 | 2002-02-18 | 海洋生物付着防止剤 |
PCT/JP2002/001356 WO2003067990A1 (fr) | 2002-02-18 | 2002-02-18 | Agent de prevention de salissures |
US10/504,404 US20050069519A1 (en) | 2002-02-18 | 2002-02-18 | Marine growth preventive agent |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2002/001356 WO2003067990A1 (fr) | 2002-02-18 | 2002-02-18 | Agent de prevention de salissures |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003067990A1 true WO2003067990A1 (fr) | 2003-08-21 |
Family
ID=27677679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/001356 WO2003067990A1 (fr) | 2002-02-18 | 2002-02-18 | Agent de prevention de salissures |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050069519A1 (ja) |
JP (1) | JPWO2003067990A1 (ja) |
AU (1) | AU2002233642A1 (ja) |
WO (1) | WO2003067990A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006090719A1 (ja) * | 2005-02-22 | 2006-08-31 | National University Corporation Hokkaido University | 海洋生物付着防止剤及びその方法 |
WO2009104257A1 (ja) * | 2008-02-20 | 2009-08-27 | 国立大学法人北海道大学 | 水棲生物が付着しない防汚被膜、防汚被膜を得るための手段およびその使用 |
WO2014142035A1 (ja) * | 2013-03-13 | 2014-09-18 | 株式会社エステン化学研究所 | 水または海水との摩擦抵抗の小さい防汚塗膜 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8603452B1 (en) | 2007-05-02 | 2013-12-10 | University Of South Florida | Method of preventing biofouling using an anti-fouling bio-hydrogel composition |
US8356959B2 (en) * | 2009-10-01 | 2013-01-22 | Teledyne Scientific & Imaging Llc | System for mitigating marine bio-fouling of an underwater structure |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61241368A (ja) * | 1985-04-18 | 1986-10-27 | Nitto Electric Ind Co Ltd | 防汚性ゲル状組成物 |
JPS61250071A (ja) * | 1985-04-27 | 1986-11-07 | Nitto Electric Ind Co Ltd | 防汚方法 |
JPS61250049A (ja) * | 1985-04-27 | 1986-11-07 | Nitto Electric Ind Co Ltd | 防汚性ゲル状組成物 |
JPS6268863A (ja) * | 1985-09-19 | 1987-03-28 | Sumitomo Chem Co Ltd | 漁網用防汚剤 |
WO1999005227A1 (en) * | 1997-07-24 | 1999-02-04 | Aquaculture Crc Limited | Antifouling of shellfish and aquaculture apparatus |
EP1170359A1 (en) * | 2000-07-07 | 2002-01-09 | Nippon Paint Co., Ltd. | Biojelly-producing microorganism, coating containing said microorganism and anti-fouling method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6566345B2 (en) * | 2000-04-28 | 2003-05-20 | Fziomed, Inc. | Polyacid/polyalkylene oxide foams and gels and methods for their delivery |
-
2002
- 2002-02-18 US US10/504,404 patent/US20050069519A1/en not_active Abandoned
- 2002-02-18 AU AU2002233642A patent/AU2002233642A1/en not_active Abandoned
- 2002-02-18 WO PCT/JP2002/001356 patent/WO2003067990A1/ja active Application Filing
- 2002-02-18 JP JP2003567188A patent/JPWO2003067990A1/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61241368A (ja) * | 1985-04-18 | 1986-10-27 | Nitto Electric Ind Co Ltd | 防汚性ゲル状組成物 |
JPS61250071A (ja) * | 1985-04-27 | 1986-11-07 | Nitto Electric Ind Co Ltd | 防汚方法 |
JPS61250049A (ja) * | 1985-04-27 | 1986-11-07 | Nitto Electric Ind Co Ltd | 防汚性ゲル状組成物 |
JPS6268863A (ja) * | 1985-09-19 | 1987-03-28 | Sumitomo Chem Co Ltd | 漁網用防汚剤 |
WO1999005227A1 (en) * | 1997-07-24 | 1999-02-04 | Aquaculture Crc Limited | Antifouling of shellfish and aquaculture apparatus |
EP1170359A1 (en) * | 2000-07-07 | 2002-01-09 | Nippon Paint Co., Ltd. | Biojelly-producing microorganism, coating containing said microorganism and anti-fouling method |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006090719A1 (ja) * | 2005-02-22 | 2006-08-31 | National University Corporation Hokkaido University | 海洋生物付着防止剤及びその方法 |
WO2009104257A1 (ja) * | 2008-02-20 | 2009-08-27 | 国立大学法人北海道大学 | 水棲生物が付着しない防汚被膜、防汚被膜を得るための手段およびその使用 |
JP5569677B2 (ja) * | 2008-02-20 | 2014-08-13 | 一般財団法人電力中央研究所 | 水棲生物が付着しない防汚被膜、防汚被膜を得るための手段およびその使用 |
WO2014142035A1 (ja) * | 2013-03-13 | 2014-09-18 | 株式会社エステン化学研究所 | 水または海水との摩擦抵抗の小さい防汚塗膜 |
JPWO2014142035A1 (ja) * | 2013-03-13 | 2017-02-16 | 株式会社エステン化学研究所 | 水または海水との摩擦抵抗の小さい防汚塗膜 |
Also Published As
Publication number | Publication date |
---|---|
US20050069519A1 (en) | 2005-03-31 |
AU2002233642A1 (en) | 2003-09-04 |
JPWO2003067990A1 (ja) | 2005-06-02 |
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