WO2009156609A2 - Article présentant des propriétés antisalissures et destiné à être utilisé dans des applications aquatiques en particulier marines - Google Patents
Article présentant des propriétés antisalissures et destiné à être utilisé dans des applications aquatiques en particulier marines Download PDFInfo
- Publication number
- WO2009156609A2 WO2009156609A2 PCT/FR2009/000621 FR2009000621W WO2009156609A2 WO 2009156609 A2 WO2009156609 A2 WO 2009156609A2 FR 2009000621 W FR2009000621 W FR 2009000621W WO 2009156609 A2 WO2009156609 A2 WO 2009156609A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- anion
- adhesion
- fouling
- acetoacetate
- Prior art date
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 125000002344 aminooxy group Chemical group [H]N([H])O[*] 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 150000001492 aromatic hydrocarbon derivatives Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- QBLDFAIABQKINO-UHFFFAOYSA-N barium borate Chemical compound [Ba+2].[O-]B=O.[O-]B=O QBLDFAIABQKINO-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical group [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 125000002579 carboxylato group Chemical group [O-]C(*)=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 101150016253 cmr2 gene Proteins 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 1
- 229940112669 cuprous oxide Drugs 0.000 description 1
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 description 1
- 125000001651 cyanato group Chemical group [*]OC#N 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- NZZIMKJIVMHWJC-UHFFFAOYSA-N dibenzoylmethane Chemical compound C=1C=CC=CC=1C(=O)CC(=O)C1=CC=CC=C1 NZZIMKJIVMHWJC-UHFFFAOYSA-N 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 1
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 1
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000005002 finish coating Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- ILPNRWUGFSPGAA-UHFFFAOYSA-N heptane-2,4-dione Chemical compound CCCC(=O)CC(C)=O ILPNRWUGFSPGAA-UHFFFAOYSA-N 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 239000008241 heterogeneous mixture Substances 0.000 description 1
- QAMFBRUWYYMMGJ-UHFFFAOYSA-N hexafluoroacetylacetone Chemical compound FC(F)(F)C(=O)CC(=O)C(F)(F)F QAMFBRUWYYMMGJ-UHFFFAOYSA-N 0.000 description 1
- NDOGLIPWGGRQCO-UHFFFAOYSA-N hexane-2,4-dione Chemical compound CCC(=O)CC(C)=O NDOGLIPWGGRQCO-UHFFFAOYSA-N 0.000 description 1
- 125000006038 hexenyl group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- LZKLAOYSENRNKR-LNTINUHCSA-N iron;(z)-4-oxoniumylidenepent-2-en-2-olate Chemical compound [Fe].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O LZKLAOYSENRNKR-LNTINUHCSA-N 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001518 isoselenocyanato group Chemical group *N=C=[Se] 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical compound [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 239000011325 microbead Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000005609 naphthenate group Chemical group 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- GJYXGIIWJFZCLN-UHFFFAOYSA-N octane-2,4-dione Chemical compound CCCCC(=O)CC(C)=O GJYXGIIWJFZCLN-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 150000001367 organochlorosilanes Chemical class 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical class [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- FVZVCSNXTFCBQU-UHFFFAOYSA-N phosphanyl Chemical group [PH2] FVZVCSNXTFCBQU-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical group 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 229920013730 reactive polymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000001824 selenocyanato group Chemical group *[Se]C#N 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004447 silicone coating Substances 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- JKUYRAMKJLMYLO-UHFFFAOYSA-N tert-butyl 3-oxobutanoate Chemical compound CC(=O)CC(=O)OC(C)(C)C JKUYRAMKJLMYLO-UHFFFAOYSA-N 0.000 description 1
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 description 1
- JSECNWXDEZOMPD-UHFFFAOYSA-N tetrakis(2-methoxyethyl) silicate Chemical compound COCCO[Si](OCCOC)(OCCOC)OCCOC JSECNWXDEZOMPD-UHFFFAOYSA-N 0.000 description 1
- ZUEKXCXHTXJYAR-UHFFFAOYSA-N tetrapropan-2-yl silicate Chemical compound CC(C)O[Si](OC(C)C)(OC(C)C)OC(C)C ZUEKXCXHTXJYAR-UHFFFAOYSA-N 0.000 description 1
- ZQZCOBSUOFHDEE-UHFFFAOYSA-N tetrapropyl silicate Chemical compound CCCO[Si](OCCC)(OCCC)OCCC ZQZCOBSUOFHDEE-UHFFFAOYSA-N 0.000 description 1
- 125000000858 thiocyanato group Chemical group *SC#N 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 125000003396 thiol group Chemical class [H]S* 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 125000005369 trialkoxysilyl group Chemical group 0.000 description 1
- LPUCKLOWOWADAC-UHFFFAOYSA-M tributylstannyl 2-methylprop-2-enoate Chemical compound CCCC[Sn](CCCC)(CCCC)OC(=O)C(C)=C LPUCKLOWOWADAC-UHFFFAOYSA-M 0.000 description 1
- IZRJPHXTEXTLHY-UHFFFAOYSA-N triethoxy(2-triethoxysilylethyl)silane Chemical compound CCO[Si](OCC)(OCC)CC[Si](OCC)(OCC)OCC IZRJPHXTEXTLHY-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- JCGDCINCKDQXDX-UHFFFAOYSA-N trimethoxy(2-trimethoxysilylethyl)silane Chemical compound CO[Si](OC)(OC)CC[Si](OC)(OC)OC JCGDCINCKDQXDX-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- OLTVTFUBQOLTND-UHFFFAOYSA-N tris(2-methoxyethoxy)-methylsilane Chemical compound COCCO[Si](C)(OCCOC)OCCOC OLTVTFUBQOLTND-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- 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
- C09D5/1675—Polyorganosiloxane-containing compositions
-
- 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
- C09D5/1687—Use of special additives
-
- 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
- C09D5/1693—Antifouling paints; Underwater paints as part of a multilayer system
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Definitions
- the present invention relates to an article having antifouling properties and for use in aquatic applications particularly marine and a method for retarding the growth of aquatic organisms on submersible or semi-submersible structures.
- the invention relates to the field of marine anti-fouling paints ("antifouling").
- Marine anti-fouling paints are finish coatings intended to prevent the attachment of animals or plants to the hulls of ships. They are used for reasons of safety, the maintenance of the maneuverability of the ships, the reduction of the fuel consumption, the fight against the corrosion and the weighting of the structures.
- biofouling or "soiling” occurs during immersion in seawater where a layer of organic and inorganic molecules is adsorbed on the surface of the material extremely rapidly.
- This layer of adsorbed material or “biofilm” serves as a mediator for the adhesion of bacteria present in suspension in the marine environment.
- the encrustation of various marine organisms increases the friction between hulls of ships and seawater, which decreases the speed and can lead to greater fuel consumption.
- the bottom of a ship that is not protected by an anti-fouling system may, after less than six months at sea, be covered with 150 kg of soil per square meter.
- anti-fouling paints which are intended to prevent or to significantly reduce fouling by incrustations of marine organisms.
- anti-fouling paints which are intended to prevent or to significantly reduce fouling by incrustations of marine organisms.
- the principle of anti-fouling paints relies on the controlled release of the active substance at the interface between the surface and the seawater. The effectiveness of the paint is maintained as long as the concentration of active substance released on the surface is effective and regular. .
- Most anti-fouling paints therefore contain a biocidal product that is most often an organometallic compound (tin, copper or zinc) or an organic compound (fungicide, algaecide, bactericide) that prevents the adhesion of marine fouling. by their toxic activity.
- TBT tributyltin methacrylate
- Tributyltin (TBT) very effective was therefore the most used biocide in antifouling paints, but this product, its degradation molecules and its metabolites have proved to be seriously and permanently polluting. For these reasons, the International Maritime Organization has banned the use of tin-based anti-fouling paints.
- the anti-fouling paints used today are mainly based on copper-based compounds and / or synthetic chemical compounds but also based on silicone-type polymers.
- cuprous oxide For copper-based paints, although less toxic than tin salts, they are almost always formulated with a massive proportion of cuprous oxide (see, for example, EP-A-051930 or FR-A-2557585). , the main binder being based on special polymers generally of the acrylic type. However, they are only effective against marine fauna and to fight against the growth of algae, it is essential to add herbicides that can pose new threats to the environment.
- Another solution for preventing the fouling of the surfaces of structures in contact with seawater consists in covering these surfaces with at least one protective coating, the outer layer of the coating in contact with the water being a silicone elastomer.
- These coatings are prepared from so-called "fouling-release coating” paints.
- the principle of these new anti-fouling paints is to create a very smooth, low surface energy surface on which organisms have great difficulty adhering. When such surfaces are stationary, marine organisms may settle there.
- these organisms are simply eliminated by the force of the water movement or the friction effect caused by the movement of the ship. It also means that if there is enough movement of water around the hull of a ship, a natural self-cleaning effect occurs.
- top-coat is made of hot-cured silicone elastomer or Cold.
- the final layer of epoxy primer is normally a thin layer which is applied to obtain a clean and fresh surface to which the fixing layer can adhere.
- the attachment layer comprises an organopolysiloxane and a curing component.
- the antifouling layer comprises an organopolysiloxane, an alkyl silicate, a curing agent and a tin catalyst.
- the epoxy primer layer or layers are applied directly to the substrate.
- the attachment layer is applied to the epoxy primer layer (s).
- the silicone coating antifouling layer is then applied and crosslinked to the fixing layer, after partial hardening of the latter.
- top-coat based on silicone elastomer may further comprise compounds which exude and improve the "anti-fouling" effect, in particular: methylphenylpolysiloxane oils (US Pat. No. 4,025,693),
- hydrocarbon liquid compound for example a polyolefin
- a lubricating oil (FR-A-2 375 305), liquid paraffins and waxy masses of the petrolatum type (JP-A-83/013 673),
- thermoplastic polymer such as PVC
- the silicone formulations used generally involve a silicone oil, generally a hydroxyl-terminated reactive polydimethylsiloxane, optionally pre-functionalized with a silane so as to have alkoxy ends, a crosslinking agent and a polycondensation catalyst. typically a tin salt or alkyl titanate, a reinforcing filler and any other additives such as fillers, adhesion promoters, dyes, etc.
- organopolysiloxane compositions vulcanizable at room temperature are well known and are classified into 2 distinct groups: single-component compositions (RTV-1) and two-component compositions (RTV-2).
- RTV is the acronym for "Room Temperature Vulcanising”.
- water (either brought by atmospheric humidity in the case of RTV-1, or introduced into a part of the composition in the case of RTV-2) allows the polycondensation reaction, which leads to the formation of the elastomeric network.
- single-component compositions crosslink when exposed to moisture in the air, i.e., they can not crosslink in a confined environment.
- the monocomponent silicone compositions cold crosslink following a mechanism for hydrolysis of reactive functions of the acetoxysilane, cetimoxysilane, alkoxysilane ... type, followed by condensation reactions between silanol groups formed and other residual reactive functions. Hydrolysis is usually carried out by means of the water vapor diffusing into the material from the surface exposed to the atmosphere. Generally, the kinetics of the polycondensation reactions is extremely slow; these reactions are catalyzed by a suitable catalyst.
- the catalysts used are most often catalysts based on tin, titanium, an amine or compositions of these catalysts.
- Catalysts tin base (see in particular FR-A-2,557,582) and titanium (see in particular FR-A-2,786,497) are catalysts having a good efficiency.
- Single-component silicone elastomers with -Si (OR) ends are sometimes referred to as alkoxy elastomers.
- the two-component compositions When the two-component compositions, they are marketed and stored in the form of two components, a first component containing the base polymeric materials and the second component containing the catalyst. The two components are mixed during use and the crosslinked mixture in the form of a relatively hard elastomer.
- These two-component compositions are well known and are described in particular in the work of Walter NoII "Chemistry and Technology of Silicones" 1968, 2nd edition on pages 395 to 398.
- compositions essentially comprise 4 different ingredients:
- a crosslinking agent generally a silane, a silicate or a polysilicate, a tin catalyst, and
- the condensation catalyst is based on an organic tin compound.
- tin catalysts have already been proposed as a crosslinking catalyst for these RTV-1 or RTV-2.
- Typical polycondensation catalysts include dialkyltin compounds, especially dialkyltin dicarboxylates such as dibutyltin dilaurate and diacetate, alkyl titanate compounds such as tetrabutyl or tetraisopropyltitanate, titanium chelates (EP-AO 885). 933, US-5,519,494, US-A-4,515,932, US-A-4,563,498, US-A-4,528,353).
- an important feature of a curable silicone composition is the crosslinking kinetics.
- the time required to obtain a dry surface (or "Tack Free Time") must be short. Tack Free Time less than one hour is usually required.
- Another important characteristic of a curable silicone composition is the pot-life, that is to say the time during which the composition can be used after mixing without harden. This time must be long enough to allow its use but short enough to obtain a hard coating. For example, for a "tie coat” or “top coat” coating, a working time greater than 15 minutes is generally required when the outside temperature is between 20 and 30 ° C. Out of the way, one of the means of adjusting this time of work is the nature of the components used as the catalyst.
- the object of the invention is to propose an article having antisoiling properties by means of coatings obtained from anti-fouling paints containing no prohibited components (biocide or catalyst) and not containing tin.
- the present invention thus relates to an article having antifouling properties and intended to be used in aquatic applications, in particular marine applications, which comprises: a) a support, b) optionally at least one primary layer on said support comprising at least one anticorrosive product, c) optionally at least one intermediate primer promoting adhesion between the layers, d) at least one adhesion-promoting layer or "tie-coat” deposited on said primary layer or on said support when the primary layer is absent, and e) at least one anti-fouling layer or "top-coat” deposited on said adhesion-promoting layer or "tie-coat", said article being characterized in that the anti-fouling layer and / or the adhesion-promoting layer is are prepared from a curable polyorganosiloxane composition R containing no tin and characterized in that it comprises on the one hand a silicone base B ap to be hardened by a polycondensation reaction into a silicone elastomer and, on the other hand,
- the Applicant has had the merit of highlighting, quite surprisingly and unexpectedly, that the iron complexes of the general formula (I) make it possible to prepare useful coatings such as "tie-coat” or “top-coat” in anti-fouling applications.
- the coatings obtained according to the invention have remarkable adhesion properties on the supports thus treated while conferring a very smooth treated surface with low surface energy on which the organisms have great difficulty in adhering.
- the catalysts according to the invention are used in the silicone systems to be crosslinked at very low levels and, depending on the content, allow the working times to be adapted to the application while guaranteeing excellent hardness of the elastomers obtained.
- the catalyst according to the invention may be in the solid or liquid state. It can be incorporated alone or in a suitable solvent. When in solvent, a silicone oil can be added, the solvent is then evaporated so as to transfer the catalyst into a silicone medium. The resulting mixture serves as a catalyst base.
- the ⁇ -dicarbonylato ligand L 1 is a ⁇ -diketone anion derived from a ⁇ -diketone or a ⁇ -ketoesterato anion derived from a ⁇ -ketoester of the following formula (II) :
- R 1 represents a linear or branched hydrocarbon radical, substituted or unsubstituted, C 1 -C 30 or substituted or unsubstituted aromatic,
- R 2 is a hydrogen or a hydrocarbon radical, in general alkyl, advantageously having at most 4 carbon atoms;
- R 3 represents a linear, cyclic or branched, substituted or unsubstituted C 1 -C 30 hydrocarbon radical, a substituted or unsubstituted aromatic radical, or a radical -OR 4 with R 4 which represents a linear C 1 -C 30 hydrocarbon radical; , cyclic or branched, substituted or unsubstituted, with R 1 and R 2 can be connected to form a ring, and
- R 2 and R 4 can be connected to form a cycle.
- the ⁇ -dicarbonylato ligand L 1 is a ⁇ -ketoesterat anion chosen from the group consisting of anions derived from the following compounds: methyl, ethyl, n-propyl and isopropyl esters; n-butyl, sec-butyl, isobutyl, tert-butyl, isopentyl, n-hexyl, n-octyl, 1-methylheptyl, n-nonyl, n-decyl and n-dodecyl acetylacetic acid or those described in the application for FR-A-1435882.
- L 2 is an anionic ligand which can be selected from the group consisting of the anions: fluoro (F), chloro (Cl “ ), triiodo (1 “ ) (I 3 ) “ , difluorochlorato (1 ⁇ ) [CIF 2 ] “ , hexafluoroiodato (r) [IF 6 ] ' , oxochlorato (1 “ ) (CIO) “ , dioxochlorato (T) ( CIO 2 ) “ , trioxochlorato (1 ⁇ ) (CIO 3 ) “ , tetraoxochlorato (r) (CIO 4 ) “ , hydroxo (OH) “ , mercapto (SH) “ , selenuro (SeH) “ , hyperoxo (O 2 ) “ , ozonido (O 3
- L 2 is an anionic ligand selected from the group consisting of anions: acetate, oxalate, propionate, butyrate, isobutyrate, diethylacetate, benzoate, 2-ethylhexanoate, stearate, methoxide, ethoxide, isopropoxide, tert-butoxide, tert-pentoxide, 8-hydroxyquinolinate, naphthenate, tropolonate and oxo O 2 ' anion.
- anions acetate, oxalate, propionate, butyrate, isobutyrate, diethylacetate, benzoate, 2-ethylhexanoate, stearate, methoxide, ethoxide, isopropoxide, tert-butoxide, tert-pentoxide, 8-hydroxyquinolinate, naphthenate, tropolonate and oxo O 2 ' anion.
- the polycondensation catalyst A is a compound chosen from the group consisting of the following molecules (1) to (7):
- the polycondensation catalyst A is a compound chosen from the group consisting of the following molecules (4) and (5)
- the amount of polycondensation catalyst A according to the invention is between 0.01 and 10% by weight of the total mass, preferably between 0.1 and 5%, whether it is a mono or two-component preparation.
- Any material that is used in an aquatic environment and is subject to soil may be a support for the present invention.
- Possible supports are boat building materials, such as stainless steel, aluminum, wood, resin-impregnated glass fibers and any other composite material.
- Materials used for pipelines such as concrete, plastics, steel and iron and other metals, can also be coated. Pools containing water, including pools, are subject to soiling. The materials used for the manufacture of basins are identical or similar to those used for the manufacture of pipelines.
- the support may or may not be coated with a primer comprising at least one anticorrosive product.
- This anticorrosive layer contains an anticorrosive product, which can be any product that inhibits corrosion or degradation of the support as a result of a reaction with its environment.
- anticorrosive products are well known in the art. They are in the form of two-component, comprising an epoxy-functional base product and a hardening catalyst.
- the anticorrosive layer normally has a thickness of between 0.10 and 0.75 mm.
- the intermediate primer promoting adhesion between the layers can be prepared from known and / or commercial products. Generally, they are prepared from bi-components based on epoxy-amine systems and known to those skilled in the art.
- compositions for preparing an anticorrosive layer or an adhesion-promoting intermediate primer are described in C.H.Hare's Protective Coatings, Fundamentals of Chemistry and Composition, edited by Technology Publishing Company, Pitttsburgh, 1994.
- Each of the layers of the article according to the invention can be applied by methods well known in the art. Such methods include brushing, spraying, dipping, roller coating or any method normally used to apply a paint. In addition, the drying of the different layers of the article according to the invention is done according to the usual practices in this technique.
- an antifouling layer (or "top coat”) according to the invention can be associated with a layer promoting adhesion (or "tie coat”) of various and varied nature.
- this underlayer may be of various and varied nature.
- it may be made of polyurethane, natural or synthetic rubber, optionally chlorinated, such as chloroprene and neoprene, of butyral rubber / silicone (KOKAI JP-A-78 / 137,231, JP-A-78 / 137,233 and JP-A-78 / 137,234).
- KKAI JP-A-78 / 137,231, JP-A-78 / 137,233 and JP-A-78 / 137,234 According to another approach, for example described in US Pat.
- a "tie-coat” is disclosed and is prepared from a moisture curable composition comprising a tin-based polycondensation catalyst, a crosslinking agent such as ethyl silicate and a co-polymer derived from the reaction product of a silylhydroxy-terminated organopolysiloxane with a polymerizable monomer such as styrene or a conjugated diolefin such as, for example, 1,3-butadiene.
- a crosslinking agent such as ethyl silicate and a co-polymer derived from the reaction product of a silylhydroxy-terminated organopolysiloxane with a polymerizable monomer such as styrene or a conjugated diolefin such as, for example, 1,3-butadiene.
- a "tie-coat” is formed from a composition comprising
- an adhesion promoter chosen from the group consisting of hydroxyl-functional polysiloxanes, hydroxyalkyl-functional polysiloxanes and dC 4 alkoxy-functional polysiloxanes.
- the curable polyorganosiloxane composition R to form the antifouling layer further comprises a catalytically effective amount of at least one polycondensation catalyst A according to the invention and as defined above and a silicone base B comprising :
- siliceous, organic and / or non-siliceous mineral filler F optionally at least one siliceous, organic and / or non-siliceous mineral filler F, and optionally at least one pigment, a coloring base or an H coloring agent, and
- Examples of compounds L which exude on the surface of the antifouling layer when the elastomeric network is formed thus improving the "anti-fouling" effect are for example:
- R 2 is an alkyl, aryl or alkenyl radical, the methyl and phenyl radicals are preferred
- X is an oxygen atom or a divalent hydrocarbon group of 1 to 8 carbon atoms
- n is a number defined so as to obtain a diorganopolysiloxane having a viscosity of between 10 and 1 x 10 6 mm 2 / s at 25 ° C
- These polyorganosiloxane oils may optionally be grafted and comprise acrylic, amide, amine, carbonyl, carboxylic, carboxylate, thiol, thioether, urea, quaternary ammonium, fluoroalkyl or perfluoroalkyl groups.
- Grafted or sequenced polydimethylsiloxane oils comprising at least one polyether block (with, for example, polyethylene glycol and / or polypropylene glycol groups) may also be used,
- a hydrocarbon liquid compound for example a polyolefin such as an ethylene / propylene co-polymer and in particular a low molecular weight polyisobutene (up to 5000 g / mol and preferably between 300 and 500 g / mol),
- a polyolefin such as an ethylene / propylene co-polymer and in particular a low molecular weight polyisobutene (up to 5000 g / mol and preferably between 300 and 500 g / mol)
- an organic liquid compound chosen from polydienes, polyesters, polyisocyanates, polyurethanes, polyepoxides, fluoroalkyls, fluoroethers, lubricating oils (see for example the patent (FR-A-2,375,305), plasticizers (eg fatty acid esters which may optionally be substituted by heteroatoms or phosphoric acid esters or halohydrocarbon compounds.)
- plasticizers eg fatty acid esters which may optionally be substituted by heteroatoms or phosphoric acid esters or halohydrocarbon compounds.
- Polyethylene glycols, polypropylene glycol or beaver oil may also be used and also provide anti-sagging properties when applying the composition,
- thermoplastic polymer such as PVC
- solvents K are, for example: aliphatic cycloaliphatic or aromatic hydrocarbon derivatives such as white spirit, cyclohexane, toluene, octamethyltrisiloxane, xylene and ester solvents such as methoxypropylacetate, n-butyl acetate and 2-ethoxyethylacetate and mixtures thereof.
- the amount of solvent is determined according to the application or the support to be treated so as to obtain a paint of acceptable viscosity.
- base sil icon B The silicone bases used in the present invention crosslinking and curing by polycondensation reactions are well known. These bases are described in detail in particular in many patents and are commercially available.
- These silicone bases may be single-component, that is to say, packaged in a single package, and storage stable in the absence of moisture, curable in the presence of moisture, in particular moisture brought by the ambient air or water generated within the base during its use.
- Bi-component bases are described in detail in, for example, EP 118, EP 117,772, EP 10,478, EP 50,358, EP 184,966, US 3,801,572 and US 3,888,815, cited as references.
- two-component bases can be used, that is to say packed in two packages, which harden as soon as the polycondensation catalyst according to the invention is incorporated. They are conditioned after incorporation of the catalyst into two separate fractions, one of the fractions being able to contain, for example, only the catalyst according to the invention or a mixture with the crosslinking agent.
- the polyorganosiloxane oil C is preferably an ⁇ , ⁇ -dihydroxypolydiorganosiloxane polymer having a viscosity of between 50 and 5,000,000 mPa.s at 25 ° C. and the crosslinking agent D is preferably an organosilicon compound bearing more than two groups. hydrolyzable bonded to silicon atoms per molecule.
- the polyorganosiloxane oil C may also be functionalized at its ends by hydrolysable radicals obtained by condensation of a precursor bearing hydroxyl functional groups with a cross-linking silane bearing hydrolysable radicals.
- This polyorganosiloxane oil C capable of crosslinking by polycondensation to an elastomer may optionally be grafted with at least one polyether block (with, for example, polyethylene glycol and / or polypropylene glycol groups), polyacrylate or polymethacrylate.
- polyether block with, for example, polyethylene glycol and / or polypropylene glycol groups
- crosslinking agent D mention may be made of:
- R 1 which may be identical or different, represent hydrocarbon radicals in the form of d-C 10, including: - alkyl radicals CRCI 0 such as methyl, ethyl, propyl, butyl, pentyl, 2-ethylhexyl, octyl, decyl,
- C 5 -C 8 cycloalkyl radicals such as the phenyl, tolyl and xylyl radicals
- the R 2 symbols which are identical or different, represent alkyl radicals having from 1 to 8 carbon atoms, such as the methyl or ethyl radicals
- C 3 -C e alkoxyalkylene radicals mention may be made of the following radicals: CH 3 OCH 2 CH 2 -CH 3 OCH 2 CH (CH 3 )
- crosslinking agents D are products that are accessible on the silicone market; moreover their use in compositions hardening at room temperature is known; it appears in particular in French patents FR-A-1,126,411, FR-A-1,179,969, FR-A-1,189,216,
- alkyltrialkoxysilanes, alkyl silicates and alkyl polysilicates are more particularly preferred, in which the organic radicals are alkyl radicals having from 1 to 4 carbon atoms.
- crosslinking agents D which may be used include, in particular, the following silanes: propyltrimethoxysilane, methyltrimethoxysilane, ethyltrimethoxysilane, vinyltriethoxysilane, methyltriethoxysilane, propyltriethoxysilane, tetraethoxysilane, tetrapropoxysilane and silanes.
- crosslinking agent D examples include ethyl polysilicate, or n-propyl polysilicate.
- crosslinking agents D which may also be employed are the silanes of the following general formula (and the products of partial hydrolysis of this silane): in which:
- Y which may be identical or different, represent hydrolysable groups such as, for example, amino, amido, aminoxy, oxime, acyloxy and alkenyloxy groups.
- crosslinking agent D is used per 100 parts by weight of polyorganosiloxane C capable of crosslinking by polycondensation to an elastomer.
- composition according to the invention may comprise at least one adhesion promoter E such as, for example, organosilicon compounds bearing both:
- VTMO vinyltrimethoxysilane
- GLYMO 3-glycidoxypropyltrimethoxysilane
- MEMO methacryloxypropyltrimethoxysilane
- OCH (CH 2 ) CHOCH 3 H 2 (CH 2 ) NH (CH 2 ) 3 Si-CH CH 2 (OCH 3 ) 2 3-ureidopropyltrialkoxysilane type silanes such as: 3-ureidopropyltriethoxysilane or 3-ureidopropyltrimethoxysilane, or polyorganosiloxane oligomers containing such organic groups at a content greater than 20%.
- the mineral fillers F used are very finely divided products whose average particle diameter is less than 0.1 ⁇ m. These fillers include fumed silicas and precipitated silicas; their specific surface
- BET is generally greater than 40 m 2 / g.
- These fillers may also be in the form of more coarsely divided products with an average particle diameter greater than 0.1 ⁇ m.
- Examples of such fillers include ground quartz, diatomaceous earth silicas, calcium carbonate, calcined clay, rutile titanium oxide, iron, zinc, chromium and zirconium oxides.
- these fillers may have been surface-modified by treatment with the various organosilicon compounds usually employed for this purpose.
- these organosilicon compounds may be organochlorosilanes, diorganocyclopolysiloxanes, hexaorganodisiloxanes, hexaorganodisilazanes or diorganocyclopolysilazanes (French patents FR-A-1 126 884, FR-A-1 136 885, FR-A-1 236 505, British patent GB -A-1,024,234).
- the treated fillers contain, in most cases, from 3 to 30% of their weight of organosilicic compounds.
- the charges may consist of a mixture of several types of charges of different particle size; for example, they may consist of 30 to 70% of finely divided silicas of BET specific surface area greater than 40 m 2 / g and 70 to 30% of more coarsely divided silicas with a specific surface area of less than 30 m 2 / g.
- the purpose of introducing the fillers is to impart good mechanical and rheological characteristics to the elastomers resulting from the hardening of the compositions in accordance with the invention.
- pigments H are as an indication: red iron oxide, zinc, carbon black, graphite, yellow iron oxide, titanium dioxide white, chromium oxide, cobalt oxide, litharge, ultramarine and red and yellow molybdenum, or organic pigments known and widely used in the field of aquatic paints.
- auxiliary agents and usual additives (thixotropic, anti-drip, ...) can be incorporated in the composition according to the invention.
- non-reactive linear polyorganosiloxane polymers G may be introduced, preferably for the purpose of acting on the physical characteristics of the compositions in accordance with the invention and / or on the mechanical properties of the elastomers resulting from the hardening of these compositions. .
- non-reactive linear polyorganosiloxane polymers G are well known; they more particularly include: ⁇ , ⁇ -bis (triorganosiloxy) diorganopolysiloxane polymers having viscosities of at least 10 mPa.s at 25 ° C., formed essentially of diorganosiloxy units and at most 1% of monoorganosiloxy and / or siloxy units , the organic radicals bonded to the silicon atoms being chosen from methyl, vinyl and phenyl radicals, at least 60% of these organic radicals being methyl radicals and 10% at most being vinyl radicals.
- the viscosity of these polymers can reach several tens of millions of mPa.s at 25 ° C; they therefore include oils with fluid to viscous appearance and hard soft gums. They are prepared according to the usual techniques described more precisely in the French patents FR-A-978 058, FR-A-1 025 150, FR-A-1 108 764, FR-A-1 370 884.
- the ⁇ , ⁇ -bis (trimethylsiloxy) dimethylpolysiloxane oils having a viscosity ranging from 10 mPa.s to 1000 mPa.s at 25 ° C.
- These polymers which act as plasticizers can be introduced in a proportion of at most 70 parts, preferably 5 to 20 parts, per 100 parts of polyorganosiloxane oil C capable of crosslinking by polycondensation.
- compositions according to the invention may further comprise at least one silicone resin H1.
- silicone resins are branched organopolysiloxane polymers well known and commercially available. They have, per molecule, at least two different units chosen from those of formula (D motif), R 111 SiO 3Z2 (T-pattern) and SiO 4 z 2 (Q-pattern).
- the radicals R " 1 are identical or different and are chosen from linear or branched alkyl radicals, vinyl, phenyl and 3,3,3-trifluoropropyl radicals.
- the alkyl radicals preferably contain from 1 to 6 carbon atoms, inclusive.
- alkyl radicals R of methyl, ethyl, isopropyl, tert-butyl and n-hexyl radicals, these resins preferably being hydroxylated and in this case having a hydroxyl content by weight of between 5 and 500 meq / 100 g.
- resins include MQ resins, MDQ resins, DT resins and MDT resins.
- compositions in accordance with the invention it is necessary, in the case of single-component compositions, to use an apparatus which makes it possible to intimately mix, with the exclusion of moisture, with and without heat input, the various constituents to which the additives and additives mentioned above may be added. All these ingredients can be loaded into the apparatus in any order of introduction.
- the invention also relates to a method of applying an antifouling coating on a support intended for use in aquatic applications, characterized in that it comprises the following steps: a) optionally the application of at least one layer primary coating on said support comprising at least one anticorrosive product, b) optionally the application of at least one intermediate primer promoting the adhesion between the layers and its hardening, c) the application of a layer promoting adhesion or "tie-coat" on said primary layer or on said support when the primary layer is absent, d) the hardening of said adhesion-promoting layer, e) the application of an anti-fouling layer or "top-coat", and f) curing said antifouling layer, said method being characterized in that the antifouling layer and / or the adhesion promoting layer is / are prepared from a polyorganosiloxane d composition urcissable R according to the invention and as described above.
- the thickness of the applied layers can vary and films of 12 to 1000 microns thick (under the condition of homogeneous deposition) have given good results.
- the typical thickness of the different layers is about 50 ⁇ m for the primary, 150 ⁇ m for the "tie coat” and 150 ⁇ m for the "top coat”.
- those skilled in the art will be able to adapt the thickness of the different layers according to the desired result.
- the last subject of the invention relates to the use of a curable polyorganosiloxane composition R according to the invention and as described above to form a coating favoring the "tie-coat” adhesion or "top-coat” anti-fouling coating of a paint intended to protect an article against the adhesion of aquatic organisms.
- a solution of 112 mmol of sodium methylate (6 g) in 100 ml of ethanol is concentrated by 20% by distillation, then 112.5 mmol of the ⁇ -ketoester (tertiobutyl acetoacetate or isobutyl acetoacetate) are added and the resulting solution is heated to 80 0 C for 1 h to give a clear yellow to orange solution.
- a solution of 37.1 mmol of anhydrous iron chloride (6 g) in 20 ml of ethanol is added at 80 ° C. for 30 min, then the mixture is heated at 80 ° C. for 3 h, cooled, filtered if necessary, concentrated to room temperature. dry, the residue is taken up in 100 ml of diisopropyl ether, and the heterogeneous mixture is filtered on celite. After evaporation to dryness are obtained the products (4) and (5).
- Stirring time is measured which corresponds to a viscosity of about 1000 cP (or mPa), then the time when the oil no longer flows, the time of formation of a non-sticky skin and the time crosslinking at heart.
- the activity of the new catalysts is compared to that of tetra-butyldistannoxane dilaurate or Tegokat 225, one of the faster dialkyltin catalysts (1.24 mmol Sn equivalent).
- the catalysts according to the invention have slightly longer crosslinking times than the alkyltin catalyst (Comparative 1) but compatible with the desired application.
- comparative test 2 shows that the Fe (acac) 3 known from the prior art leads to a sticky tack time greater than 6 hours and a crosslinking time greater than 7 hours, which is not acceptable for this purpose. type of application.
- Methylphenylpolysiloxane oil marketed by Bluestar Silicones under the name Rhodorsil Huile 550 ®
- Tack free time time required to obtain a dry surface.
- a sandblasted steel plate is coated with an epoxy primer
- the plate After drying for 48 hours at room temperature, the plate is immersed in a marine environment (in seawater) and examined after 12 and 23 weeks immersion.
- the antifouling evaluation is 100, which indicates the complete absence of organisms on the coated plate.
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Abstract
Description
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CN2009801245910A CN102076789B (zh) | 2008-05-29 | 2009-05-28 | 用于水应用并且尤其是海洋应用的具有防污性能的制品 |
ES09769450.9T ES2524457T3 (es) | 2008-05-29 | 2009-05-28 | Artículo que presenta propiedades antiincrustantes, y destinado a ser utilizado en aplicaciones acuáticas, en particular marinas |
US12/994,434 US9840640B2 (en) | 2008-05-29 | 2009-05-28 | Article having antifouling properties for aquatic and particularly sea use |
KR1020107026699A KR101245938B1 (ko) | 2008-05-29 | 2009-05-28 | 수계, 특히 해양 용도를 위한 방오 특성을 가진 물품 |
EP09769450.9A EP2297254B1 (fr) | 2008-05-29 | 2009-05-28 | Article presentant des proprietes antisalissures et destine a etre utilise dans des applications aquatiques en particulier marines |
JP2011511052A JP5502075B2 (ja) | 2008-05-29 | 2009-05-28 | 防汚特性を有し、水中用途、特に海洋用途に用いるための物品 |
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US (1) | US9840640B2 (fr) |
EP (1) | EP2297254B1 (fr) |
JP (1) | JP5502075B2 (fr) |
KR (1) | KR101245938B1 (fr) |
CN (1) | CN102076789B (fr) |
ES (1) | ES2524457T3 (fr) |
WO (1) | WO2009156609A2 (fr) |
Cited By (5)
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EP2492323A1 (fr) | 2011-02-23 | 2012-08-29 | Akzo Nobel Coatings International B.V. | Composition résistante au bio-encrassement |
WO2013024106A1 (fr) | 2011-08-18 | 2013-02-21 | Akzo Nobel Coatings International B.V. | Composition anti-encrassement comprenant des stérols et/ou des dérivés de ceux-ci |
US20140065370A1 (en) * | 2012-08-29 | 2014-03-06 | Teledyne Scientific & Imaging, Llc | Fouling and stiction resistant coating |
WO2014131695A1 (fr) | 2013-02-26 | 2014-09-04 | Akzo Nobel Coatings International B.V. | Compositions antisalissure avec un polymère ou oligomère contenant un oxyalkylène fluoré |
WO2015082408A2 (fr) | 2013-12-03 | 2015-06-11 | Akzo Nobel Coatings International B.V. | Procédé de revêtement d'une vieille couche de revêtement sur un substrat, et composition de revêtement pouvant être utilisée dans ce procédé |
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AU2012271948B2 (en) * | 2011-06-21 | 2015-10-15 | Akzo Nobel Coatings International B.V. | Biocidal foul release coating systems |
FR2999980A1 (fr) * | 2012-12-20 | 2014-06-27 | Bluestar Silicones France | Article presentant des proprietes antisalissures et destine a etre utilise dans des applications aquatiques en particulier marines |
KR101779681B1 (ko) * | 2012-12-20 | 2017-09-18 | 블루스타 실리콘즈 프랑스 에스에이에스 | 수계 용도 및, 특히, 해양 용도를 위한, 방오 특성을 갖는 물품 |
EP2935490B1 (fr) * | 2012-12-20 | 2022-12-21 | ELKEM SILICONES France SAS | Composition organopolysiloxanique vulcanisable a température ambiante en élastomère et nouveaux catalyseurs de polycondensation d'organopolysiloxanes |
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EP3394188B1 (fr) | 2016-01-27 | 2020-11-11 | Momentive Performance Materials Inc. | Composition de revêtement en silicone résistante à la saleté |
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WO2022202807A1 (fr) * | 2021-03-26 | 2022-09-29 | 日東電工株式会社 | Corps stratifié et composition d'apprêt |
CN115354259A (zh) * | 2022-08-23 | 2022-11-18 | 华中科技大学 | 一种防腐防污功能一体化的铁基非晶复合涂层和制备方法 |
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-
2009
- 2009-05-28 WO PCT/FR2009/000621 patent/WO2009156609A2/fr active Application Filing
- 2009-05-28 CN CN2009801245910A patent/CN102076789B/zh not_active Expired - Fee Related
- 2009-05-28 US US12/994,434 patent/US9840640B2/en active Active
- 2009-05-28 JP JP2011511052A patent/JP5502075B2/ja not_active Expired - Fee Related
- 2009-05-28 EP EP09769450.9A patent/EP2297254B1/fr not_active Not-in-force
- 2009-05-28 ES ES09769450.9T patent/ES2524457T3/es active Active
- 2009-05-28 KR KR1020107026699A patent/KR101245938B1/ko active IP Right Grant
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EP1867401A1 (fr) | 2005-04-05 | 2007-12-19 | Chugoku Marine Paints, Ltd. | Couche d'accrochage pour un revêtement antisalissure en polyorganosiloxane, revêtements composites et bateaux et structures sous-marines recouverts des revêtements composites |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2492323A1 (fr) | 2011-02-23 | 2012-08-29 | Akzo Nobel Coatings International B.V. | Composition résistante au bio-encrassement |
WO2013024106A1 (fr) | 2011-08-18 | 2013-02-21 | Akzo Nobel Coatings International B.V. | Composition anti-encrassement comprenant des stérols et/ou des dérivés de ceux-ci |
US9388316B2 (en) | 2011-08-18 | 2016-07-12 | Akzo Nobel Coatings International B.V. | Fouling-resistant composition comprising sterols and/or derivatives thereof |
US20140065370A1 (en) * | 2012-08-29 | 2014-03-06 | Teledyne Scientific & Imaging, Llc | Fouling and stiction resistant coating |
US9428651B2 (en) * | 2012-08-29 | 2016-08-30 | Teledyne Scientific & Imaging, Llc | Fouling and stiction resistant coating |
WO2014131695A1 (fr) | 2013-02-26 | 2014-09-04 | Akzo Nobel Coatings International B.V. | Compositions antisalissure avec un polymère ou oligomère contenant un oxyalkylène fluoré |
WO2015082408A2 (fr) | 2013-12-03 | 2015-06-11 | Akzo Nobel Coatings International B.V. | Procédé de revêtement d'une vieille couche de revêtement sur un substrat, et composition de revêtement pouvant être utilisée dans ce procédé |
Also Published As
Publication number | Publication date |
---|---|
CN102076789A (zh) | 2011-05-25 |
EP2297254A2 (fr) | 2011-03-23 |
JP5502075B2 (ja) | 2014-05-28 |
ES2524457T3 (es) | 2014-12-09 |
US9840640B2 (en) | 2017-12-12 |
KR101245938B1 (ko) | 2013-03-21 |
CN102076789B (zh) | 2013-04-24 |
EP2297254B1 (fr) | 2014-08-20 |
JP2011524268A (ja) | 2011-09-01 |
KR20110009194A (ko) | 2011-01-27 |
US20110212333A1 (en) | 2011-09-01 |
WO2009156609A3 (fr) | 2010-04-08 |
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