WO2014208594A1 - Ruban adhésif prévenant l'adhérence d'organismes aquatiques - Google Patents

Ruban adhésif prévenant l'adhérence d'organismes aquatiques Download PDF

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Publication number
WO2014208594A1
WO2014208594A1 PCT/JP2014/066830 JP2014066830W WO2014208594A1 WO 2014208594 A1 WO2014208594 A1 WO 2014208594A1 JP 2014066830 W JP2014066830 W JP 2014066830W WO 2014208594 A1 WO2014208594 A1 WO 2014208594A1
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Prior art keywords
antifouling
layer
base material
adhesive tape
material layer
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PCT/JP2014/066830
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English (en)
Japanese (ja)
Inventor
倉田　直記
内藤　友也
太樹 末吉
鈴木　聡
麻美 土井
永恵 清水
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日東電工株式会社
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Publication of WO2014208594A1 publication Critical patent/WO2014208594A1/fr

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    • 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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00—Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/04—Preventing hull fouling
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0058—Biocides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2483/00—Presence of polysiloxane
    • C09J2483/006—Presence of polysiloxane in the substrate

Definitions

  • the present invention relates to an aquatic organism adhesion preventing adhesive tape.
  • the present invention is that underwater organisms adhere to underwater structures (such as ships, buoys, harbor facilities, offshore oilfield facilities, waterways for power plant cooling water, waterways for factory cooling water, water floating passages, etc.).
  • the present invention relates to an aquatic organism adhesion prevention adhesive tape for preventing breeding.
  • antifouling paint In order to prevent such damage, antifouling paint has been conventionally applied to underwater structures. Antifouling paints have long contained toxic antifouling agents such as organotin compounds and now cuprous oxide. The adhesion growth of marine organisms can be almost suppressed by the toxicity of antifouling paints, but toxic antifouling agents such as organotin compounds and cuprous oxide have a considerable adverse effect on the human body and the environment. It becomes. Further, when the antifouling paint is dried after being applied, about 30% by weight of the organic solvent (VOC) is volatilized, which adversely affects the work environment and the surrounding environment. In spray coating, in addition to discharging VOC into the atmosphere, it is said that 10% to 20% by weight of the paint is scattered around by the wind.
  • VOC organic solvent
  • antifouling paints so far have an adhesion inhibiting effect on marine organisms, they have a great adverse effect on the human body and the environment, and the current situation is that many problems have not been solved. .
  • an antifouling tape composed of two layers of silicone rubber and an adhesive
  • the silicone rubber layer responsible for the antifouling effect does not contain an antifouling agent such as oil and is a silicone rubber itself.
  • the adhesion of marine organisms can be suppressed by its water repellency in the short term, but the antifouling effect cannot be sustained in the long term.
  • such an antifouling tape is composed of two layers of silicone rubber and an adhesive, it is very uneasy in terms of strength. In general, silicone rubber has a very low strength at break, and therefore, when such an antifouling tape is peeled off after use, it is difficult to peel off as a tape state, which is not practical.
  • a sheet-like tape has been proposed in which a silicone elastomer is provided on a base material via a primer and an adhesive layer is provided on the opposite side of the base material (see Patent Document 4).
  • the sheet-like tape disclosed in Patent Document 4 contains a fluorine-containing liquid compound and / or a hydrophobic silicone-based liquid compound as an antifouling agent.
  • the sheet-like tape containing such an antifouling agent cannot exhibit sufficient antifouling performance.
  • Patent Document 4 does not have such description at all, and is not realistic in considering application to an aquatic organism adhesion prevention adhesive tape.
  • the problem of the present invention is that it can exhibit good adhesiveness even in water, has good mechanical properties, is easy to peel off, can maintain an antifouling effect over a long period of time, has little burden on the human body and the environment,
  • An object is to provide an aquatic organism adhesion-preventing pressure-sensitive adhesive tape that is light in weight, can maintain stable quality, and can effectively prevent aquatic organisms from attaching.
  • the aquatic organism adhesion preventing adhesive tape of the present invention is An adhesive tape comprising an antifouling layer, a base material layer and an adhesive layer in this order,
  • the antifouling layer comprises a silicone resin;
  • the antifouling layer comprises an antifouling agent;
  • the antifouling agent essentially contains silicone oil,
  • the antifouling agent contains at least one selected from liquid paraffin, surfactant, liquid hydrocarbon, fluorinated oil, and antibacterial agent.
  • the base material layer has an elongation of 100% or more and a stress at break of 10 MPa or more.
  • the adhesive layer has a 180-degree peel adhesive strength of 30 N / 20 mm or less at 23 ° C. and a tensile speed of 300 mm / min.
  • the compression elastic modulus of the portion of the pressure-sensitive adhesive layer in contact with seawater is 1.1 times the compression elastic modulus of the pressure-sensitive adhesive layer before seawater contact. That's it.
  • good adhesiveness can be expressed even in water, it has good mechanical properties, is easy to peel off, can maintain an antifouling effect over a long period of time, has little impact on the human body and the environment, It is possible to provide an aquatic organism adhesion-preventing pressure-sensitive adhesive tape that is light in weight, can maintain stable quality, and can effectively prevent aquatic organism adhesion.
  • the aquatic organism adhesion preventing adhesive tape of the present invention comprises an antifouling layer, a base material layer and an adhesive layer in this order.
  • the aquatic organism adhesion-preventing pressure-sensitive adhesive tape of the present invention has any appropriate other layer as long as the antifouling layer, the base material layer, and the pressure-sensitive adhesive layer are included in this order, as long as the effects of the present invention are not impaired. May be.
  • the thickness of the aquatic organism adhesion-preventing pressure-sensitive adhesive tape of the present invention is set to any appropriate thickness within a range that does not impair the effects of the present invention, depending on the thickness of each layer included therein.
  • the thickness of the aquatic organism adhesion preventing adhesive tape of the present invention is preferably 50 ⁇ m to 5000 ⁇ m.
  • FIG. 1 shows a schematic cross-sectional view of an example of the aquatic organism adhesion preventing adhesive tape of the present invention.
  • the aquatic organism adhesion prevention adhesive tape 100 of this invention contains the antifouling layer 2, the base material layer 3, and the adhesion layer 4 in this order.
  • a release film 1 may be provided on the surface of the antifouling layer 2 or the surface of the adhesive layer 4.
  • the antifouling layer contains a silicone resin.
  • the content ratio of the silicone resin in the antifouling layer is preferably 30% by weight to 98% by weight, more preferably 40% by weight to 97% by weight, still more preferably 45% by weight to 96% by weight, Particularly preferred is 50 to 95% by weight.
  • the content ratio of the silicone resin in the antifouling layer is within the above range, the antifouling effect of the antifouling layer can be sufficiently exhibited, and the mechanical characteristics of the antifouling layer can be sufficiently expressed.
  • the content ratio of the silicone resin in the antifouling layer is less than 30% by weight, the mechanical properties of the antifouling layer may be deteriorated.
  • the content ratio of the silicone resin in the antifouling layer exceeds 98% by weight, the antifouling effect of the antifouling layer may not be sufficiently exhibited.
  • any appropriate silicone resin can be adopted as long as the effects of the present invention are not impaired. Only one type of silicone resin may be used, or two or more types may be used. Such a silicone resin may be a silicone resin that is liquid at normal temperature, or may be a silicone resin that is solid at normal temperature. Such a silicone resin may be a condensation type silicone resin or an addition type silicone resin. Such a silicone resin may be a one-component silicone resin that is dried alone, or a two-component silicone resin that contains a curing agent.
  • the silicone resin is preferably a two-component heat addition type resin among them.
  • two-component heat-added resins include KE-1950-10 (A / B), KE-1950-20 (A / B), and KE-1950- manufactured by Shin-Etsu Chemical Co., Ltd.
  • the silicone resin can be easily peeled off due to elastic deformation of the resin surface due to water pressure at the time of water washing removal.
  • a silicone resin having such physical properties is preferred.
  • Such a silicone resin has a 100% modulus (tensile stress) of the silicone resin of preferably 0.1 MPa to 10 MPa, more preferably 0.1 MPa to 6 MPa.
  • Such silicone resin is preferably soluble in an organic solvent.
  • the antifouling layer contains an antifouling agent.
  • the antifouling agent essentially contains silicone oil, and the antifouling agent further contains at least one selected from liquid paraffin, surfactant, liquid hydrocarbon, fluorinated oil, and antibacterial agent.
  • Each of silicone oil, liquid paraffin, surfactant, liquid hydrocarbon, fluorinated oil, and antibacterial agent may be used alone or in combination of two or more.
  • the antifouling layer contains such an antifouling agent, the antifouling agent migrates to the surface of the silicone resin that is the matrix, and covers the surface with an antifouling substance, so Adhesion can be suppressed and the effect
  • the content ratio of silicone oil to silicone resin is preferably Is 1% to 150% by weight, more preferably 40% to 150% by weight, still more preferably 45% to 120% by weight, still more preferably 50% to 100% by weight, More preferably, it is more than 50 wt% and not more than 100 wt%, particularly preferably 60 wt% to 95 wt%, and most preferably 70 wt% to 90 wt%.
  • the antifouling effect of the antifouling layer can be sufficiently exhibited, and the appearance characteristics and mechanical characteristics of the antifouling layer can be sufficiently expressed. If the content is too small, the antifouling effect of the antifouling layer may not be sufficiently exhibited. If the content is too large, the appearance of the final molded product or the film may be poor, and the strength of the antifouling layer may be reduced, and the antifouling property may not be maintained.
  • the content of the silicone oil with respect to the silicone resin is more than 50% by weight and less than 100% by weight (preferably 60% to 95% by weight, more preferably 70% to 90% by weight). The antifouling effect of the layer can be expressed more fully.
  • the content ratio of silicone oil to silicone resin is preferably Is 1% to 150% by weight, more preferably 40% to 150% by weight, still more preferably 45% to 120% by weight, still more preferably 50% to 100% by weight, More preferably, it is more than 50 wt% and not more than 100 wt%, particularly preferably 60 wt% to 95 wt%, and most preferably 70 wt% to 90 wt%.
  • the antifouling effect of the antifouling layer can be sufficiently exhibited, and the appearance characteristics and mechanical characteristics of the antifouling layer can be sufficiently expressed. If the content is too small, the antifouling effect of the antifouling layer may not be sufficiently exhibited. If the content is too large, the appearance of the final molded product or the film may be poor, and the strength of the antifouling layer may be reduced, and the antifouling property may not be maintained.
  • the content of the silicone oil with respect to the silicone resin is more than 50% by weight and less than 100% by weight (preferably 60% to 95% by weight, more preferably 70% to 90% by weight). The antifouling effect of the layer can be expressed more fully.
  • the content ratio of silicone oil to silicone resin is: It is preferably 1% by weight to 150% by weight, more preferably 40% by weight to 150% by weight, further preferably 45% by weight to 120% by weight, and further preferably 50% by weight to 100% by weight. More preferably, it is more than 50% by weight and 100% by weight or less, particularly preferably 60% by weight to 95% by weight, and most preferably 70% by weight to 90% by weight.
  • the antifouling effect of the antifouling layer can be sufficiently exhibited, and the appearance characteristics and mechanical characteristics of the antifouling layer can be sufficiently expressed. If the content is too small, the antifouling effect of the antifouling layer may not be sufficiently exhibited. If the content is too large, the appearance of the final molded product or the film may be poor, and the strength of the antifouling layer may be reduced, and the antifouling property may not be maintained.
  • the content of the silicone oil with respect to the silicone resin is more than 50% by weight and less than 100% by weight (preferably 60% to 95% by weight, more preferably 70% to 90% by weight). The antifouling effect of the layer can be expressed more fully.
  • the content of liquid paraffin with respect to the silicone resin is preferably 1% by weight to 50% by weight.
  • the content ratio is within the above range, the antifouling effect of the antifouling layer can be sufficiently exhibited, and the appearance characteristics and mechanical characteristics of the antifouling layer can be sufficiently expressed. If the content is too small, the antifouling effect of the antifouling layer may not be sufficiently exhibited. If the content is too large, the appearance of the final molded product or the film may be poor, and the strength of the antifouling layer may be reduced, and the antifouling property may not be maintained.
  • the content of the surfactant with respect to the silicone resin is preferably 1% by weight to 50% by weight.
  • the content ratio is within the above range, the antifouling effect of the antifouling layer can be sufficiently exhibited, and the appearance characteristics and mechanical characteristics of the antifouling layer can be sufficiently expressed. If the content is too small, the antifouling effect of the antifouling layer may not be sufficiently exhibited. If the content is too large, the appearance of the final molded product or the film may be poor, and the strength of the antifouling layer may be reduced, and the antifouling property may not be maintained.
  • the content ratio of the liquid hydrocarbons to the silicone resin is preferably 1% by weight to 50% by weight.
  • the content ratio is within the above range, the antifouling effect of the antifouling layer can be sufficiently exhibited, and the appearance characteristics and mechanical characteristics of the antifouling layer can be sufficiently expressed. If the content is too small, the antifouling effect of the antifouling layer may not be sufficiently exhibited. If the content is too large, the appearance of the final molded product or the film may be poor, and the strength of the antifouling layer may be reduced, and the antifouling property may not be maintained.
  • the content of the fluorinated oil with respect to the silicone resin is preferably 1% by weight to 50% by weight.
  • the content ratio is within the above range, the antifouling effect of the antifouling layer can be sufficiently exhibited, and the appearance characteristics and mechanical characteristics of the antifouling layer can be sufficiently expressed. If the content is too small, the antifouling effect of the antifouling layer may not be sufficiently exhibited. If the content is too large, the appearance of the final molded product or the film may be poor, and the strength of the antifouling layer may be reduced, and the antifouling property may not be maintained.
  • the content ratio of the antibacterial agent to the silicone resin is preferably 1% by weight to 50% by weight.
  • the content ratio is within the above range, the antifouling effect of the antifouling layer can be sufficiently exhibited, and the appearance characteristics and mechanical characteristics of the antifouling layer can be sufficiently expressed. If the content is too small, the antifouling effect of the antifouling layer may not be sufficiently exhibited. If the content is too large, the appearance of the final molded product or the film may be poor, and the strength of the antifouling layer may be reduced, and the antifouling property may not be maintained.
  • any appropriate silicone oil can be adopted as long as the effects of the present invention are not impaired.
  • the silicone oil is preferably one that does not have reactivity with the silicone resin or self-condensation.
  • any appropriate silicone oil can be adopted as long as the effects of the present invention are not impaired.
  • Such a silicone oil is preferably incompatible with the organopolysiloxane contained in the silicone resin to some extent, and is represented by, for example, the general formula (I) in that the antifouling effect can be maintained over a long period of time. Silicone oil is preferred.
  • R 1 is the same or different and represents an alkyl group having 1 to 10 carbon atoms, an aryl group, an aralkyl group, a fluoroalkyl group, a polyether group, or a hydroxyl group
  • R 2 is the same or Differently, it represents an alkyl group having 1 to 10 carbon atoms, an aryl group, an aralkyl group, a polyether group or a fluoroalkyl group
  • n represents an integer of 0 to 150.
  • R 1 in the general formula (I) is preferably a methyl group, a phenyl group, or a hydroxyl group.
  • R 2 in the general formula (I) is preferably a methyl group, a phenyl group, or a 4-trifluorobutyl group.
  • the number average molecular weight of the silicone oil represented by the general formula (I) is preferably 180 to 20000, and more preferably 1000 to 10,000.
  • the viscosity of the silicone oil represented by the general formula (I) is preferably 10 centistokes to 10000 centistokes, more preferably 100 centistokes to 5000 centistokes.
  • silicone oil represented by the general formula (I) specifically, for example, terminal hydroxyl group-containing dimethyl silicone oil R 1 at both ends or one end is a hydroxyl group, all of R 1 and R 2 is a methyl group And dimethyl silicone oils in which some of the methyl groups of these dimethyl silicone oils are substituted with phenyl groups.
  • silicone oils represented by the general formula (I) include KF96L, KF96, KF69, KF99, KF50, KF54, KF410, KF412, KF414, FL, Toray Dow Corning manufactured by Shin-Etsu Chemical Co., Ltd. BY16-846, SF8416, SH200, SH203, SH230, SF8419, FS1265, SH510, SH550, SH710, FZ-2110, and FZ-2203 manufactured by Corporation may be mentioned.
  • liquid paraffin any appropriate liquid paraffin can be adopted as long as the effects of the present invention are not impaired.
  • liquid paraffin include P-40, P-55, P-60, P-70, P-80, P-100, P-120, P-150, P-200, P manufactured by MORESCO. -260, P-350, hydrocarbon liquid paraffin manufactured by Wako Pure Chemical Industries, Ltd.
  • surfactant examples include an anionic surfactant, a nonionic surfactant, an amphoteric surfactant, and a cationic surfactant.
  • anionic surfactant any appropriate anionic surfactant can be adopted as long as the effects of the present invention are not impaired.
  • anionic surfactants include, for example, alkylbenzene sulfonates, alkyl or alkenyl ether sulfates, alkyl or alkenyl sulfates, ⁇ -olefin sulfonates, ⁇ -sulfo fatty acid or ester salts, alkane sulfonates, Examples thereof include saturated or unsaturated fatty acid salts, alkyl or alkenyl ether carboxylates, amino acid type surfactants, N-acyl amino acid type surfactants, alkyl or alkenyl phosphate esters or salts thereof. Only one type of anionic surfactant may be used, or two or more types may be used.
  • nonionic surfactant any appropriate nonionic surfactant can be adopted as long as the effects of the present invention are not impaired.
  • nonionic surfactants include polyoxyalkylene alkyl or alkenyl ether, polyoxyethylene alkyl phenyl ether, higher fatty acid alkanolamide or an alkylene oxide adduct thereof, sucrose fatty acid ester, alkyl glycoxide, fatty acid glycerin monoester. Examples thereof include esters and alkylamine oxides. Only one nonionic surfactant may be used, or two or more nonionic surfactants may be used.
  • amphoteric surfactant any appropriate amphoteric surfactant can be adopted as long as the effects of the present invention are not impaired.
  • amphoteric surfactants include carboxy type or sulfobetaine type amphoteric surfactants. Only one amphoteric surfactant may be used, or two or more amphoteric surfactants may be used.
  • any appropriate cationic surfactant can be adopted as long as the effects of the present invention are not impaired.
  • examples of such cationic surfactants include quaternary ammonium salts. Only one type of cationic surfactant may be used, or two or more types may be used.
  • liquid hydrocarbon any appropriate liquid hydrocarbon can be adopted as long as the effects of the present invention are not impaired.
  • liquid hydrocarbon any appropriate liquid hydrocarbon can be adopted as long as the effects of the present invention are not impaired. Examples thereof include hexane, heptane, benzene, toluene, xylene, 1-tetradecene and the like.
  • fluorinated oil any appropriate fluorinated oil can be adopted as the fluorinated oil as long as the effects of the present invention are not impaired.
  • fluorinated oils include perfluoropolyether, perfluorodecalin, perfluorooctane, and the like.
  • Perfluoropolyether is preferred in terms of chemical stability.
  • the perfluoropolyether for example, the structural formula: A- (C 3 F 6 O) x (CF 2 O) y (C 2 F 4 O) z-B (wherein the end group A is —F, —CF 3 , —C 2 F 5 , —C 3 F 7 , —CF (CF 3 ) OCF 3 , —OF, —OCF 3 , —OC 2 F 5 , —OC 3 F 7 , —OCF (CF 3 )
  • the terminal group B is any of —CF 3 , —C 2 F 5 , —C 3 F 7 , —CF (CF 3 ) OCF 3
  • x, y, z are 0 or positive And x + y + z> 1 and the viscosity at 25 ° C.
  • perfluoropolyether is from 50 cs to 500,000 cs).
  • specific examples of the perfluoropolyether include, for example, CF 3 O— (CF 2 CF (CF 3 ) O) x (CF 2 O) y —CF 3 (wherein x and y are as described above). ), CF 3 O- (CF 2 O) y (C 2 F 4 O) z-CF 3 ( wherein, y, z are as defined above), CF 3 O- (CF 2 CF (CF 3) O) x-CF 3 (wherein x is as described above) and F- (CF 2 CF 2 CF 2 O) x-C 2 F 5 (wherein x is as described above) Etc.
  • antibacterial agent any appropriate antibacterial agent can be adopted as long as the effects of the present invention are not impaired.
  • antibacterial agents include so-called antibacterial agents and herbicides.
  • antibacterial agents for example, azoxystrobin, benalaxyl, benomyl, viteltanol, bromconazole, captahol, captan, carbendazim, quinomethionate, chlorothalonil, clozolinate, cyprozinyl, diclofluanide, diclofene, diclomedin, dichlorane, Dietofencarb, dimethomorph, diniconazole, dithianon, epoxiconazole, famoxadone, fenarimol, fenbuconazole, fenfram, fenpiclonil, fentin, fluazinam, fludioxonil, fluorimide, fluquinconazole, fursulfamide, flutolanil, holpet, hexachlorobenzene, hexaconazole, imi Benconazole, Ipoconazole, Iprodi
  • examples of natural antibacterial agents include Chinese herbal ingredients such as Soso bamboo extract, hinokitiol, garlic extract and licorice.
  • inorganic antibacterial agents such as silver, copper, zinc, tin, lead, and gold, are mentioned.
  • zeolite, hydroxyapatite, calcium carbonate, silica gel, aluminum calcium silicate, polysiloxane compounds, zirconium phosphate, zirconium sulfate, ion exchangers, zinc oxide, etc. are used as carriers for these inorganic antibacterial agents as necessary. it can.
  • Examples of the synthetic antibacterial agent include 2-pyridinethiol-1-oxide, p-chloro-m-cresol, polyhexamethylene hyguanide, hydrochloride, benzethonium chloride, alkylpolyaminoethylglycine, benzisothiazoline, 5- And chloro-2-methyl-4-isothiazolin-3-one, 1,2-benzisothiazolin-3-one, 2,2′-dithio-bis- (pyridine-1-oxide), and the like.
  • herbicides for example, bensulfuron methyl, pyrazosulfuron ethyl, imazosulfuron, cyclosulfamuron, ethoxysulfuron, flucetosulfuron, azimusulfuron, primissulfuron, prosulfuron, rimsulfuron, halosulfuron methyl, nicosulfuron , Thifensulfuron methyl, tritosulfuron, foramsulfuron, amidosulfuron, chlorosulfuron, iodosulfuron, metsulfuron methyl, sulfosulfuron, flazasulfuron, chlorimuron ethyl, triflusulfuron methyl, oxas Ruflon, sulfometuron methyl, trifloxysulfuron sodium, flupirsulfuron ethyl sodium, imazamox, imazetapyr, imazaqui
  • any other appropriate antifouling agent can be adopted as long as the effects of the present invention are not impaired.
  • antifouling agents include waxes, petrolatum, animal fats, fatty acids, diatom adhesion inhibitors, agricultural chemicals, pharmaceuticals (such as medetomidine), enzyme activity inhibitors (such as alkylphenols and alkylresorcinols), biological repellents, and the like. Is mentioned.
  • the adhesion preventing effect of aquatic organisms such as diatoms and barnacles is further improved.
  • the antifouling layer may contain any appropriate other additive as long as the effects of the present invention are not impaired.
  • examples of such other additives include a UV absorber as a weathering agent.
  • Specific examples of such ultraviolet absorbers include TINUVIN571, TINUVIN460, TINUVIN213, TINUVIN234, TINUVIN329, and TINUVIN326 made by BASF.
  • the addition amount of such an ultraviolet absorber is preferably 0.5% by weight or more and less than 10% by weight with respect to the silicone resin. When the addition amount of the ultraviolet absorber with respect to the silicone resin is less than 0.5% by weight, the effect as a weather resistance may not be sufficiently exhibited. When the addition amount of the ultraviolet absorber with respect to the silicone resin is 10% by weight or more, the curing reaction of the silicone resin may be inhibited.
  • a filler or the like can be added to improve the strength.
  • the filler include silica particles and diatomaceous earth.
  • grains by which the surface was hydrophobically processed are preferable from a dispersible viewpoint.
  • examples of such a surface treatment method include a surface treatment method using dimethylpolysiloxane, dimethyldichlorosilane, hexamethylenedisilazane, cyclic dimethylsiloxane, and the like.
  • the average particle size is preferably 5 nm to 300 nm.
  • the particle whose surface is subjected to hydrophobic treatment is too small, there is a possibility that sufficient strength cannot be imparted to the antifouling layer. If the particle whose surface has been subjected to hydrophobic treatment is too large, the particle may not be uniformly dispersed in the antifouling layer, and cracks are likely to occur when an impact is applied to the antifouling layer. is there.
  • the amount of such particles whose surface has been subjected to hydrophobic treatment is preferably 0.1% by weight to 10% by weight with respect to the silicone resin. When the amount of the particles whose surface has been subjected to hydrophobic treatment is less than 0.1% by weight, there is a possibility that sufficient strength cannot be imparted to the antifouling layer.
  • the amount of particles whose surface is hydrophobically treated is more than 10% by weight, the viscosity of the antifouling layer forming material becomes very high, and the added material such as the antifouling agent may not be uniformly dispersed. In the case of coating on the base material layer, there is a possibility that it cannot be applied precisely.
  • the particles whose surface has been subjected to hydrophobic treatment include hydrophobic fumed silica manufactured by Nippon Aerosil Co., Ltd., and specifically, AEROSIL (registered trademark) RX series (RX50, manufactured by Nippon Aerosil Co., Ltd.).
  • the thickness of the antifouling layer may be any appropriate thickness depending on the application or use environment of the aquatic organism adhesion preventing adhesive tape of the present invention.
  • the thickness of the antifouling layer is preferably 5 ⁇ m to 500 ⁇ m.
  • the antifouling effect is effective for a sufficiently long time, and the handling property is excellent, the unevenness of the joint portion of the tape is small, and the antifouling effect is difficult to be attached.
  • the thickness of the antifouling layer is less than 5 ⁇ m, the period during which the antifouling effect is effective is shortened and may not be practical. If the antifouling layer is thicker than 500 ⁇ m, the aquatic organism adhesion-preventing pressure-sensitive adhesive tape of the present invention becomes thick and heavy, resulting in poor handling, large irregularities at the joints of the tape, and dirt. There is a fear.
  • any appropriate base material layer can be adopted as long as the effects of the present invention are not impaired.
  • a material for the base material layer is preferably excellent in water resistance, strength, flexibility and tearability.
  • the material for the base material layer include polyurethane resin, polyurethane acrylic resin, rubber resin, vinyl chloride resin, polyester resin, silicone resin, elastomers, fluororesin, polyamide resin, polyolefin resin (polyethylene, polypropylene, etc.) ) And the like.
  • the material of such a base material layer may be only one type or two or more types.
  • the elongation of the base material layer is preferably 100% or more, more preferably 120% or more, and further preferably 150% or more.
  • the aquatic organism adhesion-preventing pressure-sensitive adhesive tape of the present invention can follow the shape of various adherends well and can be affixed to a flat surface well. It can be satisfactorily applied to curved surface portions, 90-degree angle portions, acute angle portions, and the like.
  • the elongation of the base material layer is less than 100%, the shape of various adherends cannot be sufficiently followed, and wrinkles and unbonded portions of the adhesive may be generated, which may cause poor appearance and poor adhesion.
  • the upper limit of the elongation of the base material layer is preferably 2000% or less from the viewpoint of the strength of the base material layer.
  • the base material layer has a breaking stress of preferably 10 MPa or more, more preferably 12 MPa or more, and further preferably 15 MPa or more.
  • the stress at break of the base material layer is within the above range, the base material layer can be prevented from being cut when the used aquatic organism adhesion preventing adhesive tape of the present invention is peeled off from the adherend.
  • the stress at break of the base material layer is less than 10 MPa, the base material layer is frequently cut when the used aquatic organism adhesion-preventing pressure-sensitive adhesive tape of the present invention is peeled off from the adherend, and the working efficiency is extremely poor. There is a risk.
  • the upper limit of the breaking point stress of the base material layer is preferably 200 MPa or less from the viewpoint of the handleability of the base material layer.
  • the elastic modulus of the base material layer is preferably 4000 MPa or less, more preferably 1000 MPa or less, still more preferably 100 MPa or less, and particularly preferably 50 MPa or less.
  • the lower limit of the elastic modulus of the base material layer is preferably 0.1 MPa or more from the viewpoint of handleability of the base material layer.
  • the base material layer may contain any appropriate additive as long as the effects of the present invention are not impaired.
  • additives include olefin resins, silicone polymers, liquid acrylic copolymers, tackifiers, anti-aging agents, hindered amine light stabilizers, ultraviolet absorbers, antioxidants, and antistatic agents. , Polyethyleneimine, fatty acid amide, fatty acid ester, phosphate ester, lubricant, surfactant, filler and pigment (for example, calcium oxide, magnesium oxide, silica, zinc oxide, titanium oxide, carbon black, etc.).
  • the base material layer preferably contains an ultraviolet absorber.
  • the weather resistance of the aquatic organism adhesion prevention adhesive tape of this invention improves because a base material layer contains a ultraviolet absorber.
  • the base material layer does not contain an ultraviolet absorber, the base material is likely to be deteriorated by sunlight during outdoor use, and it may be difficult to maintain the initial base material strength.
  • the base material layer is frequently cut when the used aquatic organism adhesion preventing adhesive tape of the present invention is peeled off from the adherend, and the work efficiency may be significantly deteriorated. There is.
  • the thickness of the base material layer is preferably 1 ⁇ m to 1000 ⁇ m, more preferably 10 ⁇ m to 800 ⁇ m, and still more preferably 20 ⁇ m to 500 ⁇ m.
  • the aquatic organism adhesion-preventing pressure-sensitive adhesive tape of the present invention can be easily attached to a portion other than a flat surface such as a curved surface or an acute angle surface with good workability. Appearance defects such as wrinkles and floats are unlikely to occur on the surface.
  • the thickness of the base material layer is too thin, the handling property is deteriorated, the role as a base material cannot be played, and there is a possibility that it is not practical.
  • the thickness of the base material layer is too thick, it is impossible to sufficiently follow the shape of the adherend, the unevenness of the joint portion of the tape becomes large, and there is a possibility that it is easily stained.
  • a primer may be applied to the base material layer in advance, or a silane coupling agent may be added in advance.
  • adhesion to the base material layer may be low due to the low surface energy that is a characteristic of the silicone resin. If the adhesion between the antifouling layer and the base material layer is low, the antifouling layer that exhibits the antifouling effect peels off from the base material layer due to impact or physical damage during use, and the original antifouling effect continues. It may not be possible.
  • a primer is applied to the surface of the base material layer in advance to improve the adhesion to the antifouling layer, or silanol groups and alkoxysilane groups that react with the silicone resin are introduced into the base material layer with a silane coupling agent.
  • the adhesion can be improved by performing a condensation reaction with a reactive group on the base material layer during application of the condensation type silicone resin.
  • silane coupling agent Only one type of silane coupling agent may be used, or two or more types may be used. Specific examples of commercially available silane coupling agents include KBM5103, KBM1003, KBM903, KBM403, and KBM802 manufactured by Shin-Etsu Chemical Co., Ltd.
  • the content ratio of the silane coupling agent in the base material layer is preferably 0.01% by weight to 10% by weight.
  • the content ratio of the silane coupling agent in the base material layer is preferably 0.01% by weight to 10% by weight.
  • any appropriate adhesive layer can be adopted as long as the effects of the present invention are not impaired.
  • the material for such an adhesive layer include acrylic resin adhesives, epoxy resin adhesives, amino resin adhesives, vinyl resin (vinyl acetate polymers, etc.) adhesives, and curable acrylic resin adhesives. Agents, silicone resin adhesives, and the like.
  • the material of the adhesive layer may be only one type or two or more types.
  • the adhesive layer has a 180-degree peel adhesive strength at 23 ° C. and a tensile speed of 300 mm / min, preferably 30 N / 20 mm or less, more preferably 20 N / 20 mm or less, and further preferably 15 N / 20 mm or less.
  • the 180 degree peel adhesive force at 23 ° C. and a tensile speed of 300 mm / min is within the above range, the aquatic organism adhesion preventing adhesive tape of the present invention can be easily peeled off from the adherend. If the adhesive layer has a 180 degree peel adhesive force of 30 N / 20 mm at 23 ° C.
  • the lower limit of the 180-degree peel adhesive force at 23 ° C. and a tensile speed of 300 mm / min is preferably 3 N / 20 mm or more from the viewpoint of maintaining sufficient adhesive force.
  • the compression elastic modulus of the portion of the pressure-sensitive adhesive layer in contact with seawater is preferably 1.1 times the compression elastic modulus of the pressure-sensitive adhesive layer before seawater contact. More preferably, it is 1.2 times or more, and more preferably 1.5 times or more.
  • the compression elastic modulus of the portion of the pressure-sensitive adhesive layer in contact with seawater is 1.1 times the compression elastic modulus of the pressure-sensitive adhesive layer before seawater contact, Can exhibit good adhesiveness.
  • the upper limit of the compression elastic modulus of the portion of the pressure-sensitive adhesive layer that is in contact with seawater with respect to the compression elastic modulus in the pressure-sensitive adhesive layer before seawater contact is from the viewpoint of handling properties. Preferably it is 100 times or less.
  • seawater here means the simulated seawater (artificial seawater) marketed.
  • the thickness of the adhesive layer any appropriate thickness can be adopted depending on the application and use environment of the aquatic organism adhesion preventing adhesive tape of the present invention.
  • the thickness of the adhesive layer is preferably 10 ⁇ m or more.
  • the upper limit of the thickness of the pressure-sensitive adhesive layer is preferably 100 ⁇ m or less from the viewpoint of handleability.
  • the aquatic organism adhesion preventing adhesive tape of the present invention can be produced by any appropriate method.
  • a method of forming an antifouling layer by applying an antifouling layer forming material on the base material layer after pasting a separately prepared base material layer and an adhesive layer, and one of the base material layers.
  • a method of forming an adhesive layer by applying an adhesive layer forming material on the surface and forming an antifouling layer by applying an antifouling layer forming material to the other surface of the base material layer, the base layer forming material and the adhesive layer For example, a method of forming the antifouling layer by applying the antifouling layer forming material on the base material layer after co-extrusion of the forming material to form a base material layer / adhesive layer laminate.
  • Examples of the method for applying the antifouling layer forming material on the base material layer include spraying, brushing, roller, curtain flow, roll, dip, and coater.
  • the antifouling layer-forming material is applied onto the base material layer by these methods, and the antifouling layer is formed, for example, by drying at a temperature from room temperature to 250 ° C. (preferably from room temperature to 180 ° C.). can do.
  • a precision coater such as a comma coater is used to apply the antifouling layer forming material onto the base material layer.
  • the pressure-sensitive adhesive in the pressure-sensitive adhesive layer was transferred to a polyester film (trade name “S-10”, manufactured by Toray Industries, Inc., thickness 38 ⁇ m) using a hand roller to obtain a pressure-sensitive adhesive sheet with a substrate. This was cut into a test piece size of 80 mm ⁇ 20 mm.
  • a plastic FRP plate reinforced by putting a glass cloth in an epoxy resin of 30 mm ⁇ 100 mm ⁇ thickness 2 mm was used.
  • the test piece was attached to the adherend by reciprocating once with a 2 kg roller, and allowed to stand at 23 ° C. for 30 minutes, and then the initial 180-degree peel adhesive strength was measured.
  • the tensile speed was 300 mm / min.
  • the acrylic monomer mixture was obtained by converting a part of the monomer into a polymer by adjusting the viscosity so that it can be applied by UV irradiation from above in a nitrogen stream.
  • To this acrylic monomer mixture 0.08 part by weight of 1,6-hexanediol diacrylate (HDDA) as a crosslinking agent was added, and the surface of the separator (trade name “MRF50”, manufactured by Mitsubishi Plastics, Inc., thickness 50 ⁇ m) was added.
  • HDDA 1,6-hexanediol diacrylate
  • Example 1 ⁇ Preparation of antifouling layer forming material> Silicone oil (KF96-100cs, non-reactive silicone oil, manufactured by Shin-Etsu Chemical Co., Ltd.), liquid paraffin (hydrocarbon liquid paraffin, Wako Pure Chemical Industries, Ltd.) )) was added to the container and stirred using a homomixer. Thereafter, a silicone resin (KE1950-50, two-component addition type resin, manufactured by Shin-Etsu Chemical Co., Ltd.) is added to the stirred liquid, and stirred using a homomixer to uniformly dissolve or disperse the antifouling agent in the resin. I let you.
  • silicone oil KF96-100cs, non-reactive silicone oil, manufactured by Shin-Etsu Chemical Co., Ltd.
  • liquid paraffin hydrocarbon liquid paraffin, Wako Pure Chemical Industries, Ltd.
  • a silicone resin KE1950-50, two-component addition type resin, manufactured by Shin-Etsu Chemical Co., Ltd.
  • Example 2 ⁇ Preparation of antifouling layer forming material> Silicone oil (KF96-100cs, non-reactive silicone oil, manufactured by Shin-Etsu Chemical Co., Ltd.), a surfactant (polyoxyethylene lauryl ether, trade name “DKS NL”), which is a material other than resin, with the composition shown in Table 1. -15 "(Daiichi Kogyo Seiyaku Co., Ltd.) was added to the container and stirred using a homomixer.
  • KF96-100cs non-reactive silicone oil, manufactured by Shin-Etsu Chemical Co., Ltd.
  • DKS NL polyoxyethylene lauryl ether
  • a silicone resin (KE1950-50, two-component addition type resin, manufactured by Shin-Etsu Chemical Co., Ltd.) is added to the stirred liquid, and stirred using a homomixer to uniformly dissolve or disperse the antifouling agent in the resin. I let you. After stirring, the mixture was filtered with a nominal 25 ⁇ m Cuno filter, and after defoaming, an antifouling layer-forming material (2) for coating on the base material layer was obtained.
  • ⁇ Creation of adhesive tape> The pressure-sensitive adhesive layer prepared in Production Example 2 was attached to the base material layer prepared in Production Example 1 by transfer.
  • the antifouling layer-forming material (2) was applied to the surface of the base material layer opposite to the adhesive layer with an applicator and dried in an oven at 130 ° C. for 5 minutes to prepare an adhesive tape (2).
  • the evaluation results are shown in Table 2.
  • Example 3 Preparation of antifouling layer forming material> Silicone oil (KF96-100cs, non-reactive silicone oil, manufactured by Shin-Etsu Chemical Co., Ltd.), liquid hydrocarbon (1-tetradecene, Wako Pure Chemical Industries, Ltd.), which is a material other than resin, with the composition shown in Table 1 Product) was added to the container and stirred using a homomixer. Thereafter, a silicone resin (KE1950-50, two-component addition type resin, manufactured by Shin-Etsu Chemical Co., Ltd.) is added to the stirred liquid, and stirred using a homomixer to uniformly dissolve or disperse the antifouling agent in the resin. I let you.
  • Example 4 Preparation of antifouling layer forming material> Silicone oil (KF96-100cs, non-reactive silicone oil, manufactured by Shin-Etsu Chemical Co., Ltd.), fluorinated oil (perfluoropolyether oil (average molecular weight 4500)), which is a material other than resin, with the composition shown in Table 1.
  • a trade name “DEMNUM S-65” (manufactured by Daikin Industries, Ltd.) was added to the container, and then stirred using a homomixer.
  • a silicone resin (KE1950-50, two-component addition type resin, manufactured by Shin-Etsu Chemical Co., Ltd.) is added to the stirred liquid, and stirred using a homomixer to uniformly dissolve or disperse the antifouling agent in the resin. I let you. After stirring, the mixture was filtered with a nominal 25 ⁇ m Cuno filter, and after defoaming, an antifouling layer-forming material (4) for coating on the base material layer was obtained.
  • ⁇ Creation of adhesive tape> The pressure-sensitive adhesive layer prepared in Production Example 2 was attached to the base material layer prepared in Production Example 1 by transfer.
  • the antifouling layer forming material (4) was applied to the surface of the base material layer opposite to the adhesive layer with an applicator, and dried in an oven at 130 ° C. for 5 minutes to prepare an adhesive tape (4).
  • the evaluation results are shown in Table 2.
  • Example 5 Preparation of antifouling layer forming material> Silicone oil (KF96-100cs, non-reactive silicone oil, manufactured by Shin-Etsu Chemical Co., Ltd.), antibacterial agent (Diuron, manufactured by Hodogaya Chemical Co., Ltd.), which is a material other than resin, with the composition shown in Table 1. After adding to a container, it stirred using the homomixer. Thereafter, a silicone resin (KE1950-50, two-component addition type resin, manufactured by Shin-Etsu Chemical Co., Ltd.) is added to the stirred liquid, and stirred using a homomixer to uniformly dissolve or disperse the antifouling agent in the resin. I let you.
  • aquatic organism adhesion prevention adhesive tape of the present invention can prevent aquatic organisms from adhering and breeding, underwater structures (ships, buoys, port facilities, offshore oil field facilities, waterways for power plant cooling water, factory cooling) It can be suitably used for water channels, floating passages and the like.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Paints Or Removers (AREA)
  • Adhesive Tapes (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention fournit un ruban adhésif prévenant l'adhérence d'organismes aquatiques qui permet de développer des propriétés d'adhésion satisfaisantes y compris en milieu aquatique, qui possède des caractéristiques mécaniques satisfaisantes, dont l'opération de pelage est facilitée, qui permet de maintenir un effet antisalissure sur le long terme, dont l'impact sur les êtres humains et l'environnement et faible, qui est léger, dont la qualité stable est préservée, et qui permet de prévenir efficacement l'adhérence d'organismes aquatiques. Le ruban adhésif prévenant l'adhérence d'organismes aquatiques de l'invention, contient dans l'ordre une couche antisalissure, une couche de matériau de base, et une couche d'adhérence. La couche antisalissure contient une résine de silicone, et un agent antisalissure. Cet agent antisalissure contient obligatoirement à son tour une huile de silicone, et en outre contient au moins un élément choisi parmi une paraffine liquide, un agent tensio-actif, un hydrocarbure liquide, une huile fluorée, et un agent antibactérien.
PCT/JP2014/066830 2013-06-26 2014-06-25 Ruban adhésif prévenant l'adhérence d'organismes aquatiques WO2014208594A1 (fr)

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JP2013-133354 2013-06-26
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016124994A (ja) * 2015-01-05 2016-07-11 日東電工株式会社 構造物表面の防汚方法および封止用粘着テープ
EP3281995A4 (fr) * 2015-04-08 2018-11-14 Nitto Denko Corporation Ruban adhésif destiné à empêcher l'adhérence d'organismes aquatiques
EP3521389A4 (fr) * 2016-09-29 2020-06-10 Nitto Denko Corporation Film de revêtement pour structure, ensemble de matériau de revêtement pour former un film de revêtement, matériau de revêtement pour sous-couche et procédé de revêtement
WO2023118480A1 (fr) * 2021-12-23 2023-06-29 Ppg Coatings Europe B.V. Composition de revêtement autoadhésif anti-salissures

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016203039A (ja) * 2015-04-16 2016-12-08 日東電工株式会社 防汚テープの製造方法

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JPS5196830A (fr) * 1975-01-20 1976-08-25
JPS5813673A (ja) * 1981-07-16 1983-01-26 Chugoku Toryo Kk 海洋生物付着防止用塗料
JPS6186445U (fr) * 1984-11-14 1986-06-06
JPH0633024A (ja) * 1992-07-16 1994-02-08 Kansai Paint Co Ltd 無毒防汚性貼着シート
JP2002069246A (ja) * 2000-06-08 2002-03-08 Daikin Ind Ltd 高疎水性エラストマー組成物

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Publication number Priority date Publication date Assignee Title
JPS5196830A (fr) * 1975-01-20 1976-08-25
JPS5813673A (ja) * 1981-07-16 1983-01-26 Chugoku Toryo Kk 海洋生物付着防止用塗料
JPS6186445U (fr) * 1984-11-14 1986-06-06
JPH0633024A (ja) * 1992-07-16 1994-02-08 Kansai Paint Co Ltd 無毒防汚性貼着シート
JP2002069246A (ja) * 2000-06-08 2002-03-08 Daikin Ind Ltd 高疎水性エラストマー組成物

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016124994A (ja) * 2015-01-05 2016-07-11 日東電工株式会社 構造物表面の防汚方法および封止用粘着テープ
WO2016111108A1 (fr) * 2015-01-05 2016-07-14 日東電工株式会社 Procédé antisalissures de surface de structure et ruban adhésif d'étanchéité
EP3281995A4 (fr) * 2015-04-08 2018-11-14 Nitto Denko Corporation Ruban adhésif destiné à empêcher l'adhérence d'organismes aquatiques
US10214667B2 (en) 2015-04-08 2019-02-26 Nitto Denko Corporation Adhesive tape for preventing adhesion of aquatic organisms
EP3521389A4 (fr) * 2016-09-29 2020-06-10 Nitto Denko Corporation Film de revêtement pour structure, ensemble de matériau de revêtement pour former un film de revêtement, matériau de revêtement pour sous-couche et procédé de revêtement
WO2023118480A1 (fr) * 2021-12-23 2023-06-29 Ppg Coatings Europe B.V. Composition de revêtement autoadhésif anti-salissures

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