WO2022213959A1 - 一种抗空蚀耐冲刷防污涂料及其制备方法 - Google Patents
一种抗空蚀耐冲刷防污涂料及其制备方法 Download PDFInfo
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- WO2022213959A1 WO2022213959A1 PCT/CN2022/085215 CN2022085215W WO2022213959A1 WO 2022213959 A1 WO2022213959 A1 WO 2022213959A1 CN 2022085215 W CN2022085215 W CN 2022085215W WO 2022213959 A1 WO2022213959 A1 WO 2022213959A1
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- Prior art keywords
- cavitation
- resistant
- component
- fouling
- erosion
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- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000009991 scouring Methods 0.000 title claims abstract description 9
- 238000000576 coating method Methods 0.000 title abstract description 11
- 239000011248 coating agent Substances 0.000 title abstract description 10
- 230000003628 erosive effect Effects 0.000 claims abstract description 19
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011737 fluorine Substances 0.000 claims abstract description 13
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 6
- 239000003973 paint Substances 0.000 claims description 21
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 8
- 229920002050 silicone resin Polymers 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 4
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- ISKQADXMHQSTHK-UHFFFAOYSA-N [4-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CN)C=C1 ISKQADXMHQSTHK-UHFFFAOYSA-N 0.000 claims description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical group CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 4
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 claims description 4
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 4
- 239000008096 xylene Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- -1 polydimethylsiloxane Polymers 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- XQBCVRSTVUHIGH-UHFFFAOYSA-L [dodecanoyloxy(dioctyl)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCCCCCC)(CCCCCCCC)OC(=O)CCCCCCCCCCC XQBCVRSTVUHIGH-UHFFFAOYSA-L 0.000 claims description 2
- 230000001680 brushing effect Effects 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 2
- HGQSXVKHVMGQRG-UHFFFAOYSA-N dioctyltin Chemical compound CCCCCCCC[Sn]CCCCCCCC HGQSXVKHVMGQRG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000007761 roller coating Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 235000010215 titanium dioxide Nutrition 0.000 claims description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims 3
- 241001397104 Dima Species 0.000 claims 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical class COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims 1
- 239000013530 defoamer Substances 0.000 claims 1
- 239000004205 dimethyl polysiloxane Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000872 buffer Substances 0.000 abstract description 2
- ZHPNWZCWUUJAJC-UHFFFAOYSA-N fluorosilicon Chemical compound [Si]F ZHPNWZCWUUJAJC-UHFFFAOYSA-N 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
-
- 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
Definitions
- the invention relates to an anti-cavitation erosion-resistant anti-fouling paint and a preparation method thereof, which can be used as protection for the surface of a ship propulsion system, and belongs to the technical field of marine biological fouling protection.
- the ship propulsion system is an energy converter in the ship propulsion device. It converts the power generated by the engine into the thrust of the ship to overcome the navigation resistance of the ship in the water and promote the ship to move.
- the general ship propulsion system includes the power unit propeller and the directional control unit rudder plate. At high speed, the propulsion system is subjected to strong cavitation and erosion damage, and it is difficult to get rid of the fouling and adhesion of marine organisms at low speed or when the sailing is stopped. At present, there is no protective coating on the surface of the ship's propeller. With the increase of the voyage rate, the cavitation phenomenon of the substrate is increasingly intensified, and the blade will be broken in severe cases.
- the surface of the rudder plate is made of ordinary bottom matching coating, which does not have the performance of anti-cavitation and high-speed water erosion. After the coating is damaged, it will aggravate the corrosion of the substrate and the adhesion of marine organisms. Corrosion and fouling of the propulsion system shorten its service life, prolong the dock repair period, increase the ship's navigation resistance and fuel consumption, greatly increase the shipowner's operating cost, and greatly threaten the safety of the ship. To this end, the actual operating conditions of the propulsion system were comprehensively investigated, and solutions were proposed for three major problems of cavitation, erosion and biofouling.
- the purpose of the present invention is to provide an anti-cavitation erosion-resistant anti-fouling paint and a preparation method thereof, which are used for surface protection of propulsion systems. Effectively solve the problem of fouling and adhesion of marine organisms when the ship is traveling at high speed, the propulsion system is subjected to strong cavitation and erosion damage, and the marine organisms are fouled and adhered at low speed or when the ship is stopped.
- the present invention provides an anti-cavitation, anti-scouring and anti-fouling paint, which is composed of component A and component B with a weight ratio of 100:6-15, wherein component A consists of 60-75% Silicone resin, 0.2-1.5% additives, 9-17% pigments and fillers and 15-25% solvent, component B is composed of 20-40% functional curing agent, 5-15% catalyst and 50-71% solvent:
- the silicone resin is one of hydroxyl-terminated polydimethylsiloxanes with a viscosity of 1000-5000 mPa.s;
- auxiliary agent is one or more of defoaming agent, dispersing agent and leveling agent, preferably BYK auxiliary agent such as BYK163, BYK110;
- the pigments and fillers are divided into pigments and fillers, the pigments are one or more of carbon black, iron red and titanium white, and the fillers are one or more of barium sulfate, talc, mica powder, silicon dioxide and calcium carbonate. species or several;
- the solvent is one or more of xylene, toluene, methyl isobutyl ketone, butyl acetate, n-butanol, cyclohexanone, and propylene glycol monomethyl ether;
- the functional curing agent is one or more of the self-made fluorine-containing segment silane coupling agents
- the catalyst is in dibutyltin dilaurate, dioctyltin mercaptide, di-n-octyltin dilaurate, dialkyltin dimaleate, alkyltin dithiolate, dibutyltin diacetate, and stannous octoate. one or more of;
- the preparation method of the anti-cavitation, anti-scouring anti-fouling paint the A component sequentially disperses the silicone resin, solvent, auxiliary agent and pigment and filler at 2500 rpm for 20 minutes, and then places it in a rapid grinding machine and grinds it to a fine point.
- the thickness is below 60 ⁇ m;
- the preparation method of component B is: mix and stir the functional curing agent, catalyst and solvent evenly; when using, mix the components A and B with a weight ratio of 100:6 to 15 evenly, within the applicable period It is applied to the ship's propulsion system by brushing, spraying and roller coating to protect the propulsion system from cavitation, erosion and fouling organisms, and is used in conjunction with the intermediate connecting paint.
- the beneficial effect of the invention is that: a self-made fluorine-containing segment silane coupling agent is used as a functional curing agent, and the fluorine monomers of different scales are anchored to the traditional organosilicon-based fouling release type antifouling paint three-dimensional space network by the method of chemical grafting
- the cohesive strength, elastic modulus, loss modulus and storage modulus ratio of the anti-cavitation erosion-resistant anti-fouling coating are adjusted to achieve rapid transfer and conversion between mechanical energy and thermal energy, and effectively alleviate the impact of cavitation on the base. Destruction of the propulsion system substrate.
- the fluorosilicon system effectively buffers the impact energy of cavitation collapse and achieves better anti-cavitation effect.
- the introduction of the fluorine segment improves the mechanical strength of the coating and improves the resistance of the coating to high-speed water erosion.
- the migration and accumulation of fluorine segments on the surface of the coating builds a microscopic surface that is not conducive to the adhesion of fouling organisms, and achieves a small shear force to complete the peeling of fouling marine organisms, thus having a good antifouling effect.
- the dosage of various raw materials is as follows:
- the dosage of various raw materials is as follows:
- Silane coupling agent containing fluorine segment 2.4g
- the specific steps are as follows: adding the silane coupling agent containing the fluorine segment of the formula and stannous octoate to the methyl isobutyl ketone of the formula, dispersing at 1000rpm for 10min, fully mixing, and obtaining the B component;
- the anti-cavitation and anti-scouring anti-fouling paint is prepared by mixing evenly the components A and B with a weight ratio of 100:8.
- the dosage of various raw materials is as follows:
- the dosage of various raw materials is as follows:
- Silane coupling agent containing fluorine segment 3.5g
- the anti-cavitation erosion-resistant anti-fouling paint when in use, is prepared by uniformly mixing components A and B in a weight ratio of 100:10.
- the dosage of various raw materials is as follows:
- the dosage of various raw materials is as follows:
- Silane coupling agent containing fluorine segment 3.5g
- the specific steps are as follows: adding the silane coupling agent containing the fluorine segment of the formula and di-n-butyltin dilaurate to the propylene glycol monomethyl ether of the formula, dispersing at 1000rpm for 10min, fully mixing, and obtaining the B component;
- the anti-cavitation erosion-resistant antifouling paint when in use, is prepared by mixing evenly the components A and B in a weight ratio of 100:12.
- the fouling biodesorption performance is closely related to surface energy and elastic modulus, and has a linear relationship with the root mean square of the product of surface energy and elastic modulus.
- the anti-erosion anti-fouling coating has good biodesorption performance and anti-cavitation performance.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
一种抗空蚀耐冲刷防污涂料及其制备方法，所述涂料由重量比为100：6～15的A组分和B组分组成，其中A组分由60～75％有机硅树脂、0.2～1.5％助剂、9～17％颜填料及15～25％溶剂组成，B组分由20～40％功能固化剂、5～15％催化剂和50～71％溶剂组成。本发明选用自制含氟链段硅烷偶联剂作为功能固化剂，形成不同的氟硅体系有效缓冲空泡溃灭的冲击能，实现较好的抗空蚀作用、耐高速水流冲刷性能、较好的防污效果。
Description
本发明涉及一种抗空蚀耐冲刷防污涂料及其制备方法，可作为船舶推进系统表面的防护，属于海洋生物污损防护技术领域。
船舶推进系统是船舶推进装置中的能量变化器。它将发动机产生的动力转变成船舶行进的推力，以克服船舶在水中航行阻力，推动船舶行进。一般船舶推进系统包括动力装置螺旋桨和方向控制装置舵板。高速行进状态下，推进系统承受强烈的空蚀及冲刷破坏，低速或停航时难以摆脱海生物的污损粘附。目前，船舶螺旋桨表面无任何防护涂层，随着在航率的增加，基材空蚀现象日益加剧，严重时会造成桨叶断裂。舵板表面采用普通船底配套涂层，不具备抗空蚀及耐高速水流冲刷的性能，涂层破损后，加剧基材腐蚀及海生物粘附进程。推进系统的腐蚀污损，缩短其服役寿命，延长坞修周期，增加船舶航行阻力及燃油消耗，极大增加了船东的运营成本，并使船舶安全性受到极大威胁。为此，综合考察了推进系统的实际使用工况，针对空蚀、冲刷及生物污损三大问题提出解决方案。
发明内容
本发明的目的在于提供一种抗空蚀耐冲刷防污涂料及其制备方法，将其用于推进系统的表面防护。有效解决船舶高速行进状态下，推进系统承受强烈的空蚀及冲刷破坏，低速或停航时海生物的污损粘附问题。
为达到上述目的，在本发明中提供了一种抗空蚀耐冲刷防污涂料，由重量比为100：6～15的A组分和B组分组成，其中A组分由60～75％有机硅树脂、0.2～1.5％助剂、9～17％颜填料及15～25％溶剂组成，B组分由20～40％功能固化剂、5～15％催化剂和50～71％溶剂组成：
所述有机硅树脂为黏度为1000～5000mPa.s的端羟基聚二甲基硅氧烷中的一种；
进一步，所述助剂为消泡剂、分散剂及流平剂中的一种或几种，优选毕克助剂例如BYK163、BYK110；
进一步，所述颜填料分为颜料和填料，颜料为炭黑、铁红和钛白中的一种 或几种，填料为硫酸钡、滑石粉、云母粉、二氧化硅和碳酸钙中的一种或几种；
进一步，所述溶剂为二甲苯、甲苯、甲基异丁基甲酮、醋酸丁酯、正丁醇、环己酮、丙二醇单甲醚中的一种或几种；
进一步，所述功能固化剂为自制含氟链段的硅烷偶联剂中的一种或几种；
进一步，所述催化剂为二月桂酸二丁基锡、硫醇二辛基锡、二月桂酸二正辛基锡、二烷基锡二马来酸酯、二硫醇烷基锡、二乙酸二丁基锡、辛酸亚锡中的一种或几种；
所述的一种抗空蚀耐冲刷防污涂料的制备方法：A组分依次将有机硅树脂、溶剂、助剂和颜填料，在2500rpm转速下分散20min，置于快速研磨机下研磨至细度在60μm以下；B组分制备方法为：将功能固化剂、催化剂和溶剂混合搅拌均匀；使用时由重量比为100：6～15的A组分和B组分混合均匀，在适用期内采用刷涂、喷涂及辊涂的方式施工于船舶推进系统上，用以对推进系统进行空蚀、冲刷和污损生物的防护，与中间连接漆配套使用。
本发明的有益效果在于：自制含氟链段硅烷偶联剂作为功能固化剂，将不同尺度氟单体通过化学接枝的方法锚定到传统有机硅基污损释放型防污涂料三维空间网络结构中，调控抗空蚀耐冲刷防污涂料的内聚强度、弹性模量及损耗模量与储能模量比，以实现机械能与热能之间的快速传递和转化，有效缓解空蚀对基推进系统基材的破坏。氟硅体系有效缓冲空泡溃灭的冲击能，实现较好的抗空蚀作用。氟链段的引入提升涂料机械强度，提高涂料耐高速水流冲刷性能。氟链段在涂料表面的迁移富集，构筑不利于污损生物粘附的微观表面，实现较小的剪切力完成对污损海生物的剥离，从而具有较好的防污效果。
为了使本发明的目的、技术方案和优点更加清楚，下面对本发明的具体实施进行详述。
实施例1
配置A组分，各种原料用量如下：
具体步骤如下：先将配方量的有机硅树脂加入相应配方量的二甲苯中，充分搅拌获得均匀溶液，随后加入配方量的BYK163及铁红，在2500rpm转速下分散20min，置于快速研磨机下研磨至细度60μm以下，获得A组分；
配置B组分，各种原料用量如下：
含氟链段的硅烷偶联剂： 2.4g
辛酸亚锡： 0.8g
甲基异丁基甲酮： 4.8g
具体步骤如下：将配方量的含氟链段的硅烷偶联剂和辛酸亚锡加入配方量的甲基异丁基甲酮中，在1000rpm转速下分散10min，充分混合均匀，获得B组分；
抗空蚀耐冲刷防污涂料的制备：使用时由重量比为100：8的甲组分和乙组分混合均匀，制得抗空蚀耐冲刷防污涂料。
实施例2
配置A组分，各种原料用量如下：
具体步骤如下：先将配方量的有机硅树脂加入相应配方量的甲苯中，充分搅拌获得均匀溶液，随后加入配方量的BYK110、铁黑及滑石粉，在2500rpm转速下分散20min，置于快速研磨机下研磨至细度在60μm以下，获得A组分；
配置B组分，各种原料用量如下：
含氟链段的硅烷偶联剂： 3.5g
二乙酸二丁基锡： 1.2g
环己酮： 5.3g
具体步骤如下：将配方量的含氟链段的硅烷偶联剂和二乙酸二丁基锡加入配方量的环己酮中，在1000rpm转速下分散10min，充分混合均匀，获得B组分；
抗空蚀耐冲刷防污涂料的制备：使用时由重量比为100：10的甲组分和乙组分混合均匀，制得抗空蚀耐冲刷防污涂料。
实施例3
配置A组分，各种原料用量如下：
具体步骤如下：先将配方量的有机硅树脂加入相应配方量的二甲苯中，充分搅拌获得均匀溶液，随后加入配方量的BYK110、二氧化硅、铁红和硫酸钡，在2500rpm转速下分散20min，置于快速研磨机下研磨至细度在60μm以下，获得A组分；
配置B组分，各种原料用量如下：
含氟链段的硅烷偶联剂： 3.5g
二月桂酸二正丁基锡： 1.2g
丙二醇单甲醚： 5.3g
具体步骤如下：将配方量的含氟链段的硅烷偶联剂和二月桂酸二正丁基锡加入配方量的丙二醇单甲醚中，在1000rpm转速下分散10min，充分混合均匀，获得B组分；
抗空蚀耐冲刷防污涂料的制备：使用时由重量比为100：12的甲组分和乙组分混合均匀，制得抗空蚀耐冲刷防污涂料。
表1：实施例性能参数
根据文献报道，污损生物脱附性能与表面能及弹性模量息息相关，并且与表面能和弹性模量乘积的均方根基本呈线性关系，从表1中可以看出，制得的抗空蚀耐冲刷防污涂料具有较好的生物脱附性能和抗空蚀性能。
如本发明上述实施例所述，采用与其他形同或相似的方法及组分得到的其他抗空蚀耐冲刷防污涂料方法，均在本发明保护范围内。
Claims (8)
- 一种抗空蚀耐冲刷防污涂料，其特征在于A组分和B组分按照重量比为100：6～15混合而成，所述的A组分的组成及质量百分比含量为：
以上各组成的质量百分含量之和为100％；所述的B组分的组成及质量百分比含量为：功能固化剂： 20～40％，催化剂： 5～15％，溶剂： 50～71％,以上各组成的质量百分含量之和为100％。 - 根据权利要求1所述的一种抗空蚀耐冲刷防污涂料，其特征在于所述的有机硅树脂为端羟基聚二甲基硅氧烷中的一种，其黏度为1000～5000mPa.s。
- 根据权利要求1所述的一种抗空蚀耐冲刷防污涂料，其特征在于所述的助剂为消泡剂、分散剂及流平剂中的一种或几种，优选毕克助剂。
- 根据权利要求1所述的一种抗空蚀耐冲刷防污涂料，其特征在于所述的颜填料分为颜料和填料，颜料为炭黑、铁红、铁黑和钛白中的一种或几种，填料为硫酸钡、滑石粉、云母粉、二氧化硅和碳酸 钙中的一种或几种。
- 根据权利要求1所述的一种抗空蚀耐冲刷防污涂料，其特征在于所述的溶剂为二甲苯、甲苯、甲基异丁基甲酮、醋酸丁酯、正丁醇、环己酮、丙二醇单甲醚中的一种或几种。
- 根据权利要求1所述的一种抗空蚀耐冲刷防污涂料，其特征在于所述的功能固化剂为自制含氟链段的硅烷偶联剂中的一种或几种，其特征结构如下图所示：
R f为-CF 3,-CF 2CHFCF 3,-CF 2CF 2CF 2CF 2CF 2CF 3，-CH 2C 6F 13，X为-H或-CH 3，Y为-H、-CH 3或-C 6H 5，R Si为-Si(OCH 3) 3，-Si(OC 2H 5) 3，-C 6H 5Si(OCH 3) 3，-COOC 3H 6SiCH 3(OCH 3) 2，-COOC 3H 6Si(OCH 3) 3，-COOC 3H 6SiCH 3(OC 2H 5) 2，-COOC 3H 6Si(OC 2H 5) 3中的一种。 - 根据权利要求1所述的一种抗空蚀耐冲刷防污涂料，其特征在于所述的催化剂为二月桂酸二丁基锡、硫醇二辛基锡、二月桂酸二正辛基锡、二烷基锡二马来酸酯、二硫醇烷基锡、二乙酸二丁基锡、辛酸亚锡中的一种或几种。
- 权利要求1所述的一种抗空蚀耐冲刷防污涂料的制备方法，其特征在于:A组分制备方法为：依次称取60～75％有机硅树脂、15～25％溶剂、 0.2～1.5％助剂和9～17％颜填料，在2500rpm转速下分散20min，置于快速研磨机下研磨至细度在60μm以下；B组分制备方法为：将20～40％功能固化剂、5～15％催化剂和50～71％溶剂混合搅拌均匀；使用时由重量比为100：6～15的甲组分和乙组分混合均匀，在适用期内采用刷涂、喷涂及辊涂的方式施工于船舶推进系统上，用以对推进系统进行空蚀、冲刷和污损生物的防护，与中间连接漆配套使用。
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