CN111393971A - Anticorrosive antirust and cavitating inhibiting elastomer paint - Google Patents
Anticorrosive antirust and cavitating inhibiting elastomer paint Download PDFInfo
- Publication number
- CN111393971A CN111393971A CN201911333585.8A CN201911333585A CN111393971A CN 111393971 A CN111393971 A CN 111393971A CN 201911333585 A CN201911333585 A CN 201911333585A CN 111393971 A CN111393971 A CN 111393971A
- Authority
- CN
- China
- Prior art keywords
- nano powder
- modified
- silicon nano
- solution
- modified silicon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 14
- 229920001971 elastomer Polymers 0.000 title claims abstract description 11
- 239000000806 elastomer Substances 0.000 title claims abstract description 11
- 239000003973 paint Substances 0.000 title description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical class [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 16
- 239000011858 nanopowder Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 14
- -1 polyoxypropylene Polymers 0.000 claims abstract description 12
- 229920013822 aminosilicone Polymers 0.000 claims abstract description 11
- 150000004985 diamines Chemical class 0.000 claims abstract description 11
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract description 11
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims abstract description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 10
- 229920000570 polyether Polymers 0.000 claims abstract description 10
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 10
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 5
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 5
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 abstract description 12
- 238000005299 abrasion Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 230000003373 anti-fouling effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 125000001153 fluoro group Chemical class F* 0.000 description 3
- 229920006389 polyphenyl polymer Polymers 0.000 description 3
- RUOKPLVTMFHRJE-UHFFFAOYSA-N benzene-1,2,3-triamine Chemical compound NC1=CC=CC(N)=C1N RUOKPLVTMFHRJE-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4081—Mixtures of compounds of group C08G18/64 with other macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/482—Mixtures of polyethers containing at least one polyether containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
- C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/61—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
-
- 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
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses an anticorrosive antirust and cavitation-inhibiting elastomer coating, which comprises an ultrafast curing agent solution and a modified silicon nano powder solution, wherein the ultrafast curing agent solution and the modified silicon nano powder solution are mixed according to the volume ratio of 1-1.5: 1-2; the ultra-fast curing agent solution is polyisocyanate, and the modified silicon nano powder solution comprises the following components in percentage by weight: 31-34% of polyoxypropylene diamine with molecular weight of 2000%, 7-9.5% of polyether triamine with molecular weight of 5000, 11-15% of poly-phenyl triamine, 9-16.5% of modified amino silicone resin, 2.5-10% of modified fluororesin, 1-2% of adhesion promoter, 1-2% of pigment and 11-34% of nano powder. The invention has excellent mechanical property, abrasion resistance, impact resistance, scratch resistance and dirt resistance, and can reduce erosion phenomenon by inhibiting cavitation phenomenon, thereby prolonging the service life of erosion damaged parts.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an elastomer coating for preventing corrosion and rust and inhibiting cavitations.
Background
The hydraulic machine achieves the purpose of delivering low-energy fluid by momentum exchange through the mixing of fluid in a flow passage and suction fluid in the equipment, if the flow speed of a certain place is increased, the local pressure at the place is necessarily reduced, and when the pressure is reduced to the critical pressure of the fluid at the time, the fluid in the low-pressure area starts to vaporize, so that cavitation appears, and the phenomenon is called cavitation. The cavitation bubbles move to a higher pressure area along with the fluid, and as the pressure is increased, steam in the cavitation bubbles is condensed into liquid state again, and the cavitation bubbles are collapsed. When the collapse process of the vapor bubble occurs on the surface of the fixed wall, the material is damaged, namely, the material is corroded due to cavitation. The erosion phenomenon occurs along with the cavitation phenomenon from generation to collapse, and an impact force is generated on the surface of the fixed wall with huge pressure in a very short time, and generally, the phenomenon is difficult to accurately predict. With the development of ultra-large scale of industrial equipment such as container ships and liquefied natural gas carrying ships, cavitation erosion phenomena on propellers and attachments (rudders and frames) are more frequent, materials cannot reach the expected service life, and the running safety of the equipment is seriously threatened.
Disclosure of Invention
To solve the above problems, the present invention provides an anticorrosive, antirust and cavitation-inhibiting elastomer coating material which has excellent mechanical properties, wear resistance, impact resistance, scratch resistance, stain resistance and rust resistance, and can reduce the erosion phenomenon by inhibiting the cavitation phenomenon, thereby prolonging the life of the erosion-damaged portion.
In order to solve the technical problems, the invention adopts the following technical scheme: the anticorrosive antirust and cavitated-inhibiting elastomer coating comprises an ultrafast curing agent solution and a modified silicon nano powder solution, wherein the ultrafast curing agent solution and the modified silicon nano powder solution are mixed according to the volume ratio of 1-1.5: 1-2; wherein the ultrafast curing agent solution is polyisocyanate; the modified silicon nano powder solution comprises the following components in percentage by weight: 31-34% of polyoxypropylene diamine with molecular weight of 2000, 7-9.5% of polyether triamine with molecular weight of 5000, 11-15% of poly-phenyl triamine, 9-16.5% of modified amino silicone resin, 2.5-10% of modified fluororesin, 1-2% of adhesion promoter, 1-2% of pigment and 11-34% of nano powder.
Wherein, the polyoxypropylene diamine with the molecular weight of 2000 is a key raw material which influences the shrinkage, tensile strength and curing time of the coating; when the weight percentage of the polyoxypropylene diamine with the molecular weight of 2000 in the modified silicon nano powder solution is less than 31%, the coating shrinkage rate is reduced, and when the weight percentage of the polyoxypropylene diamine with the molecular weight of 2000 in the modified silicon nano powder solution is more than 34%, although the tensile strength is increased and the curing time is accelerated, the adhesion and the flexibility are reduced due to the too fast curing time, and meanwhile, the bubble phenomenon is generated; preferably, the weight percentage of the polyoxypropylene diamine with the molecular weight of 2000 in the modified silicon nano powder solution is 31-34%;
wherein, the polyether triamine is a key raw material which influences the flexibility and the curing time of the coating; when the weight percentage of the polyether triamine in the modified silicon nano powder solution is more than 9.5 percent, the phenomenon of reduced flexibility caused by too fast curing time can occur; preferably, the weight percentage of the polyether triamine in the modified silicon nano powder solution is 7-9.5%;
wherein the polyphenyl triamine is used for adjusting the curing time of the coating and increasing the shrinkage rate; when the weight percentage of the poly (benzenetriamine) in the modified silicon nano powder solution is less than 11%, the surface is remained after curing, the surface is easy to be polluted, the wear resistance is reduced, and the mechanical strength is insufficient; when the weight percentage of the solution of the poly (triamine) modified silicon nano powder is more than 15%, although the curing time is accelerated, the durability and the aging resistance are reduced after curing, so that the disconnection or the breakage phenomenon is easy to occur; preferably, the weight percentage of the poly (benzenetriamine) in the modified silicon nano powder solution is 11-15%;
wherein the modified amino silicone resin is used for improving sliding property and antifouling property; when the weight percentage of the modified amino silicone resin in the modified silicon nano powder solution is less than 9%, the sliding property, the flexibility and the antifouling property are reduced, and when the weight percentage of the modified amino silicone resin in the modified silicon nano powder solution is more than 16.5%, the interlayer adhesive force is reduced, the elongation is reduced, the adhesive force is reduced, and the curing time is prolonged; preferably, the weight percentage of the modified amino silicone resin in the modified silicon nano powder solution is 9-16.5%;
wherein the modified fluororesin is used for increasing sliding property and antifouling property; when the weight percentage of the modified fluororesin in the modified silicon nano powder solution is less than 2.5%, the sliding property and the antifouling property are reduced, and the friction coefficient is increased, and when the weight percentage of the modified fluororesin in the modified silicon nano powder solution is more than 10%, the interlayer bonding force is reduced, the elongation is reduced, the adhesive force is reduced, and the curing time is prolonged; preferably, the weight percentage of the modified fluorine resin in the modified silicon nano powder solution is 2.5-10%;
wherein, the adhesion promoter is used for ensuring that the raw materials are mixed more smoothly and fully and increasing the adhesive force between the coating and the substrate; when the weight percentage of the adhesion promoter in the modified silicon nano powder solution is less than 1%, the bonding force is reduced, and when the weight percentage of the adhesion promoter in the modified silicon nano powder solution is more than 2%, the bonding force is increased, but the wear resistance is reduced; preferably, the weight percentage of the adhesion promoter in the modified silicon nano powder solution is 1-2%;
the nano powder has a quasi-spherical shape, excellent adhesive force, hardness and density, and is used for reducing abrasion, inhibiting erosion and cavitation; when the weight percentage of the nano powder in the modified silicon nano powder solution is less than 11%, the erosion resistance is reduced and the abrasion resistance is increased, and when the weight percentage of the nano powder in the modified silicon nano powder solution is more than 34%, the erosion resistance is enhanced, but the adhesive force is reduced and the adhesive force is reduced; preferably, the weight percentage of the nano powder in the modified silicon nano powder solution is 11-34%;
furthermore, the content of NCO% in the polyisocyanate is 10-25%.
Wherein, the polyisocyanate is a key raw material for influencing the hardness, weather resistance, resistance and elongation of the coating; the higher the weight percentage of NCO in the polyisocyanate, the higher the hardness of the cured coating film, and the lower the weight percentage of NCO in the isocyanate, the lower the hardness of the cured coating film.
Further characterized in that the adhesion promoter is one of β - (3, 4-epoxycyclohexyl) ethyltrimethoxysilane, gamma-glycidoxypropyltrimethoxysilane, and gamma-methacryloxypropyltrimethoxysilane.
Further, the nano powder is one or more of titanium, zirconium, hafnium, tantalum, niobium, tungsten, molybdenum, boron, silicon nitride and carbon nitride.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has excellent mechanical physical properties (tensile strength, adhesive strength, elongation, ultra-fast curing, high elasticity and the like), can inhibit cavitation phenomenon to reduce erosion phenomenon, and is helpful for prolonging the service life of erosion damage parts.
2. The invention exerts excellent abrasive resistance, impact resistance and scratch resistance through adhesive force, elongation and high elasticity, and the surface energy of a coating film is low, so that the invention has excellent anti-fouling performance.
Detailed Description
The following describes embodiments of the present invention in detail.
Example 1
The anticorrosive antirust and cavitated inhibiting elastomer coating comprises an ultrafast curing agent solution and a modified silicon nano powder solution, wherein the ultrafast curing agent solution and the modified silicon nano powder solution are mixed according to the volume ratio of 1: 1;
wherein the ultrafast curing agent solution is polyisocyanate with NCO% content of 12%; the modified silicon nano powder solution comprises the following components in percentage by weight: 34% of polyoxypropylene diamine with molecular weight of 2000, 8% of polyether triamine with molecular weight of 5000, 15% of polyphenyl triamine, 14% of modified amino silicone resin, 4% of modified fluorine resin, 1% of adhesion promoter, 2% of pigment and 22% of nano powder.
Further, the adhesion promoter is gamma-glycidoxypropyltrimethoxysilane.
Further, the nanopowder is tantalum.
Example 2
The anticorrosive antirust and cavitated inhibiting elastomer coating comprises an ultrafast curing agent solution and a modified silicon nano powder solution, wherein the ultrafast curing agent solution and the modified silicon nano powder solution are mixed according to the volume ratio of 1: 1;
wherein the ultrafast curing agent solution is polyisocyanate with the NCO% content of 15%; the modified silicon nano powder solution comprises the following components in percentage by weight: 34% of polyoxypropylene diamine with molecular weight of 2000, 8% of polyether triamine with molecular weight of 5000, 15% of polyphenyl triamine, 14% of modified amino silicone resin, 4% of modified fluorine resin, 1% of adhesion promoter, 2% of pigment and 22% of nano powder.
Further, the adhesion promoter is gamma-glycidoxypropyltrimethoxysilane.
Further, the nanopowder is tantalum.
Example 3
The anticorrosive antirust and cavitated inhibiting elastomer coating comprises an ultrafast curing agent solution and a modified silicon nano powder solution, wherein the ultrafast curing agent solution and the modified silicon nano powder solution are mixed according to the volume ratio of 1: 1;
wherein the ultrafast curing agent solution is polyisocyanate with NCO% content of 13.5%; the modified silicon nano powder solution comprises the following components in percentage by weight: 31% of polyoxypropylene diamine with molecular weight of 2000, 7% of polyether triamine with molecular weight of 5000, 12% of poly-phenyl triamine, 9% of modified amino silicone resin, 3% of modified fluororesin, 1% of adhesion promoter, 2% of pigment and 35% of nano powder.
Further, the adhesion promoter is gamma-glycidoxypropyltrimethoxysilane.
Further, the nanopowder is tantalum.
Comparative example 1
Comparative example 1 Spc coating
Comparative example 2
Comparative example 2 use of inlet rudder coating
In examples 1 to 3, the weight percentages of NCO groups of the ultrafast curing agent solution are respectively 12%, 15%, and 13.5%, the weight percentages of polyoxypropylene diamine having a molecular weight of 2000 of the components of the modified silicon nano powder solution are respectively 34%, and 31%, the weight percentages of polyether triamine having a molecular weight of 5000 are respectively 8%, and 7%, the weight percentages of modified amino silicone resin are respectively 14%, and 9%, the weight percentages of modified fluororesin are respectively 4%, and 3%, the weight percentages of polyphenylene triamine are respectively 15%, and 12%, and the weight percentages of pigment and adhesion promoter are respectively fixed at 2% and 1%.
The corrosion resistance, cavitation inhibition ratio, abrasion resistance, impact resistance and adhesion were measured using the above-described test pieces of examples 1, 2, 3, 1 and 2, which were used only as the test pieces of the anticorrosive, antirust and cavitation-suppressing elastomer coating of the present invention. The test pieces were coated on stainless steel having a diameter of 16mm and a thickness of 10. + -. 0.5mm, the coating thickness being 2. + -. 0.1 mm.
The experimental facilities adopts 20 kHz's ultrasonic equipment commonly used, and the experimental solution uses distilled water, and the experimental solution degree of depth is 100 + -10 mm, and the test block is attached to at the equipment end, and the test block is soaked the degree of depth and is 12 + -4 mm, and ultrasonic device sets up within + -5% at the test container center, and the experimental solution temperature is 25 + -2 ℃. Cavitation test A test apparatus was prepared according to ASTM G32-2016. The coatings of examples 1 to 3 and the test results of comparative examples 1 and 2 are shown in table 1.
As shown in table 1, examples 1 to 3 exhibited excellent results in erosion resistance, cavitation suppressing rate, abrasion resistance, impact resistance, and adhesion, as compared with comparative examples 1 and 2, and the higher the content of the nanopowder, the better the erosion resistance and cavitation suppressing effects.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (4)
1. The anticorrosive antirust and cavitated-inhibiting elastomer coating is characterized by comprising an ultrafast curing agent solution and a modified silicon nano powder solution, wherein the ultrafast curing agent solution and the modified silicon nano powder solution are mixed according to the volume ratio of 1-1.5: 1-2;
the ultra-fast curing agent solution is polyisocyanate, and the modified silicon nano powder solution comprises the following components in percentage by weight: 31-34% of polyoxypropylene diamine with molecular weight of 2000%, 7-9.5% of polyether triamine with molecular weight of 5000, 11-15% of poly-phenyl triamine, 9-16.5% of modified amino silicone resin, 2.5-10% of modified fluororesin, 1-2% of adhesion promoter, 1-2% of pigment and 11-34% of nano powder.
2. The anticorrosive, anticorrosive and cavitated-inhibited elastomeric coating according to claim 1, wherein the polyisocyanate has an NCO% content of 10 to 25%.
3. The anticorrosive, anticorrosive and cavitating-inhibited elastomeric coating according to claim 1, wherein the adhesion promoter is one of β - (3, 4-epoxycyclohexyl) ethyltrimethoxysilane, γ -glycidoxypropyltrimethoxysilane and γ -methacryloxypropyltrimethoxysilane.
4. The anticorrosive, antirust and voiding-inhibiting elastomeric coating of claim 1, wherein said nanopowder is one or more of titanium, zirconium, hafnium, tantalum, niobium, tungsten, molybdenum, boron, silicon nitride, and carbon nitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911333585.8A CN111393971A (en) | 2019-12-19 | 2019-12-19 | Anticorrosive antirust and cavitating inhibiting elastomer paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911333585.8A CN111393971A (en) | 2019-12-19 | 2019-12-19 | Anticorrosive antirust and cavitating inhibiting elastomer paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111393971A true CN111393971A (en) | 2020-07-10 |
Family
ID=71427073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911333585.8A Pending CN111393971A (en) | 2019-12-19 | 2019-12-19 | Anticorrosive antirust and cavitating inhibiting elastomer paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111393971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430310A (en) * | 2020-11-23 | 2021-03-02 | 北京航天新立科技有限公司 | Preparation method of organic silicon modified curing agent for low-surface-energy coating |
-
2019
- 2019-12-19 CN CN201911333585.8A patent/CN111393971A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430310A (en) * | 2020-11-23 | 2021-03-02 | 北京航天新立科技有限公司 | Preparation method of organic silicon modified curing agent for low-surface-energy coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100666122B1 (en) | Anti-fouling paint with low friction type | |
| CN110172288B (en) | Underwater composite anticorrosive coating and preparation method thereof | |
| CN111662623B (en) | Nano modified polyaspartic acid ester polyurea heavy-duty anticorrosive coating and preparation method thereof | |
| EP0474718B1 (en) | Coating of metal surfaces | |
| JP6432521B2 (en) | Liquid primer composition and laminate using the same | |
| US20150240112A1 (en) | Liquid epoxy coating compositions, methods, and articles | |
| Liu et al. | Effect of curing agent molecular structures on the tribological and corrosion behaviors of epoxy resin coatings | |
| CN110684456B (en) | Microcrystalline cellulose-fluorine modified polyurethane coating and preparation method and application thereof | |
| CN112012000B (en) | Fiber surface treatment method, fiber-reinforced anticorrosive paint and preparation method and application thereof | |
| US20230295458A1 (en) | Composition for a coating, coatings and methods thereof | |
| CN109971305B (en) | Solvent-free high-temperature anticorrosive paint, anticorrosive coating and container | |
| CA2859427A1 (en) | Corrosion resistant equipment for oil and/or gas applications | |
| CN111393971A (en) | Anticorrosive antirust and cavitating inhibiting elastomer paint | |
| CN113278345A (en) | Composite coating material | |
| CN112480785A (en) | Special epoxy anticorrosive paint for special equipment and preparation method thereof | |
| Tian et al. | Polyurethane coatings modified by OH-PDMS for anti-cavitation, antifouling and anticorrosion applications | |
| CN112143344A (en) | Wear-resistant coating material for repairing flow passage component of slurry pump | |
| CN110922852A (en) | Abrasion resistant, anti-stick, high strength coating, composition for forming same, and delivery device containing same | |
| KR101007916B1 (en) | Anti-fouling paint and method for forming a coating using the same | |
| CN110396359A (en) | Coating is used in erosion resisting and cavitation inhibition | |
| CN114213965B (en) | Automobile finish paint and preparation method thereof | |
| CN111231431A (en) | Elastic gradient material and preparation method thereof | |
| KR101010919B1 (en) | The paint of cavitation inhibitive and endure erosion attribute | |
| CN112341894A (en) | Preparation method and application method of desulfurization circulating pump impeller surface coating | |
| KR101756920B1 (en) | Cavitation preventing erosion organic-inorganic hybrid resin ceramic coating material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200710 |
|
| WD01 | Invention patent application deemed withdrawn after publication |