CN103089876A - Preparation method of wave spring with nanometer erosion resistant coating - Google Patents
Preparation method of wave spring with nanometer erosion resistant coating Download PDFInfo
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- CN103089876A CN103089876A CN201310040603XA CN201310040603A CN103089876A CN 103089876 A CN103089876 A CN 103089876A CN 201310040603X A CN201310040603X A CN 201310040603XA CN 201310040603 A CN201310040603 A CN 201310040603A CN 103089876 A CN103089876 A CN 103089876A
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Abstract
The invention relates to a preparation method of a wave spring with a nanometer erosion resistant coating. A main body of a prepared wave spring with the nanometer erosion resistant coating is a washer type spring with a plurality of sine in the peripheral direction. The nanometer erosion resistant coating is covered on the main body structure. The nanometer erosion resistant coating comprises, by weight, 20-80 parts of polyurethane, 40-80 parts of polyvinyl benzene and 1-10 parts of organic clay. The preparation method of the wave spring with the nanometer erosion resistant coating is simple in preparation technology, convenient to prepare, excellent in coating film performance, and low in cost.
Description
Technical field
The present invention relates to a kind of elastic element, relate in particular to a kind of preparation method with wavy spring of nano anti-corrosive layer.
Background technique
spring is as the basic part in machinery, in every field such as modern industries, application is arranged all, from the machine tool to the manned space flight, to such an extent as to being arranged, the place of machinery just substantially to use spring, along with deepening continuously of degree of opening, yet the machine building industry of introducing, automobile, motor, national defence, boats and ships, the industrial equipments such as hydraulic machinery industry development such as clutch have obtained a large amount of application at home, elastic element is as component of machine, in these machines, indispensable often, because complexity and the frequency of utilization of application are high, the abrasion and corrosion of elastic element is also problem demanding prompt solution.
Coating is a kind of matching performance engineering material that object (protected or decorated object) is surperficial, also can form the continuous film of firm attachment that is coated in.Paint matrix is a kind of macromolecular solution or dispersion, and after interpolation pigment, filler, modulation forms coating.Coating is coated on after body surface and is solidified into " continuous film " (film, coating) by different modes and just becomes finished product, plays the effect of expection.Usually coating is comprised of film forming matter, solvent (organic) or the compositions such as water, pigment, filler and auxiliary agent.Wherein, film forming matter is to make the coating firm attachment form the main matter of continuous film on the coated article surface, is the basis that consists of coating, and the physical and chemical performance of filming is played decisive action; The effect of organic solvent and water is to make film forming matter disperse to form thick liquid, adjustment system viscosity, make coating be fit to store and construction application: pigment is given the coating shades of colour, object is played decorating action, beautify the environment, it plays an important role to antirust, the sun-proof of filming, water-fast chemical proofing; Filler and auxiliary agent can improve coating producing process, improve coating application and condition of cure and appearance of film, can effectively improve the bin stability of coating simultaneously, and Improving The Quality of Products is given coating specific function etc.Look about surrounding space, coating is ubiquitous.Indoor, coating can be coated on wall, refrigerator, cabinet and furniture, on little significantly coating such as motor electric wire, television set printed circuit, videotape recording and CD; Out of doors, all used coating on the element of house, automobile and computer system.The purposes of coating is very extensive, mainly comprises the following aspects: (1) protective action: coating can form the continuous film of firm attachment on coated article, can make the isolation of object and atmosphere and chemical mediator, plays a protective role.External coating coating is means effective, the most most economical in anticorrosive measure.(2) decorating action: coated article appreciates because aesthetic feeling increases through after coatings decoration.Because abundant coating bright in luster is being decorateeed various objects, just make living environment become colorful, it is colourful that people's life also becomes.(3) sign effect: the road setting-out, various traffic sign coating, with expression warning, dangerous, safely, the signal such as advance, stop; Chemical plant different material conveyance conduit outer wall applies the coating of different colours, makes chemical industry operation personnel work safer.(4) special role: well-known, oneself becomes the another focus that people pay close attention to after internet, gene engineering etc. present nanometer technology.Nanosecond science and technology are forward position, the intercrossing emerge sciences that progressively grow up at late 1980s, the beginning of the nineties, and its fast development is own through becoming the main flow of 21 century scientific technological advance.High-tech develop rapidly is more and more higher to the requirement of high performance material, and requirement in time is also more and more urgent, and nano-scale synthesizes development high-performance new material and the new approach that provides is provided the current material performance.
Recently, oneself formal concept that proposes " nanoscale materials engineering " on the autumn session that U.S. material research association holds, purpose is to accelerate the process that nanometer material is converted into high-tech industry, shorten the cycle of fundamental research, application study and developmental research, this is the important feature of current new material research, who makes an effort in this respect, and who just can capture " commanding height " of 21 century new material research, the status of will having the advantage in the research of 21 century new material.In addition, Germany, Japan and other countries has also been formulated the project of nano composite material.The upsurge of nano composite material research forms.
Why nano composite material can become the upsurge of research, is because it is compared with traditional material, incomparable superior function is arranged, and nanometer technology is incorporated in material, can give traditional material new function.Have the characteristics such as high-strength, high-ductility, high hardness such as nanometer technology being incorporated into the nano paint that makes in cladding material, play the effects such as protection because of it at material surface and have broad application prospects.
The trend of nano-coating material development is in recent years developed to nano-composite coating material by single nano-coating material.Technical Research Centre of Finland etc. with magnetron sputtering method successfully at charcoal steel surface coated with nano composite coating (MoSi
2/ SiC), after heat treatment 1h, coating hardness can reach 20.8GPa under 5000C, has improved tens times than the charcoal steel, and have good anti-oxidant, resistance to high temperature, overcome simultaneously individual layer nanometer MoSi
2Coating is the shortcoming of cracking easily, has fully shown the superiority of nano-composite coating.Nanosecond science and technology are not only the Driving force that information technology, biotechnology field are developed by leaps and bounds, and provide new opportunity because it has unique physics, chemistry, biological nature for the development of this traditional industry of coating.
Nano paint generally is composited by nanometer material and organic coating, more strictly says to be called nano composite dope (Nanocomposite coating).Composite coating must satisfy two conditions at least just can be called nano paint: the one, have a kind of yardstick of material at least between 1-100nm, the 2nd, because the existence of nanophase is significantly improved coating property or gives coating new function, Neither of the two can be dispensed.
In a broad aspect, nano-coating material also comprises: metal nano cladding material and inorganic nano cladding material.The metal nano cladding material mainly refers to contain in material nanocrystal, and the inorganic nano cladding material is that usually said nano paint all refers to the organic nano composite coating by the melting between nano particle, sintered combined and get.At present, the nano particle for coating is mainly that some metallic oxide is (as TiO
2, Fe
2O
3, ZnO etc.), nano metal powder (as nanometer Al, Co, Ti, Cr, Nd, Mo etc.), inorganic salts be (as CaCO
3) and phyllosilicate (as the nanometer clay of one dimension) add nanoparticle in coating, as nano-TiO
2, Fe
2O
3, ZnO, SiO
2, CaCO
3And carbon black etc. can significantly improve mechanical strength, rheological properties, antiseptic property, light fastness and the weather resistance etc. of coating as filler or auxiliary agent.When reaching the nanometer dispersion in coating when nano particle, coating is transparent, and can shield ultraviolet (for example wavelength 400nm being reached more than 70% with interior ultraviolet reflection rate), therefore can significantly improve it and protect light, protect look, ageing resistance and heat-shielding performance, can be used as good finishing varnish.
Nano-particles filled coating can be used as sapecial coating because its good weatherability, ornamental, resistance tocrocking and antibiotic property etc. meet contemporary environmental requirement fully, is paid much attention to, and becomes 21 century one of the most promising coating.Patent CN100503754C discloses a kind of water-base epoxy composite coating and preparation method thereof, has both contained hydrophilic group in this invention curing agent molecule segment used, contains again lipophilic group, thereby has emulsification function, and need not add emulsifier.But the dispersiveness of the fillers such as nano silicon used is not good, free settling.Patent CN101280144B discloses a kind of wave-absorbing heavy-duty anticorrosive nano-coating, and this coating adds the inorganic nano-fillers such as nano-titanium alloy, carbon fiber, copper powder take the epoxy-modified acrylic acid elastic resin as matrix.But want to make nanometer technology really to be widely used in coating, also need to solve some critical technical problems, can stable dispersion in coating as nano particle, nano particle addition etc.Can the stable dispersion of nano particle in coating be directly connected to the various performances of coating are improved, and uses the wear-and corrosion-resistant nano paint and also have actual demand and need to be resolved hurrily on elastic element.
?
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of preparation method with wavy spring of nano anti-corrosive layer is provided.
Technological scheme of the present invention is: a kind of preparation method with wavy spring of nano anti-corrosive layer is characterized in that:
At first, by mechanical processing tools, make main body for along the circumferential direction with the wavy spring of several sinusoidal gasket type springs that form;
Then, cover one deck nano anti-corrosive layer on agent structure, and this nano anti-corrosive layer is made by following steps:
(1) polyether Glycols, castor oil, the organic clay of molecular weight 3000 joined in reactor mix, and stir and heat up, when temperature rises to 60 ℃, drip toluene di-isocyanate(TDI), 40 ~ 50min adds;
(2) then after 60 ℃ of insulated and stirred 30 ~ 50min, then be warming up to 80 ℃ of insulated and stirred, the end group nco value is surveyed in sampling;
(3) after NCO reaches 3.0 %, be cooled to 40 ℃, add vinyl benzene in reaction system, stir 30 ~ 50min, at 40 ℃ of lower vacuum outgas 30 ~ 40min, namely get A component--base polyurethane prepolymer for use as; Wherein the mass ratio of polyether Glycols and castor oil is 6:1 ~ 4:1, the adding quantity of toluene di-isocyanate(TDI) is pressed isocyanate index (NCO/OH)=1.5:1 ~ 2.5:1 and is calculated, and the adding quantity of vinyl benzene and organic clay is that polyurethane 20 ~ 80 weight portions, polystyrene 40 ~ 80 weight portions, organic clay 1 ~ 10 weight portion add by polyurethane, polystyrene, organic clay ratio of components;
(4) polyether Glycols, castor oil, azobisisobutyronitrile, the dibutyl tin dilaurate with molecular weight 3000 joins in reactor, after stirring at normal temperature 30 ~ 50min, obtains the B component; Wherein the mass ratio of polyether polyol and castor oil is 1:4 ~ 1:5, the adding quantity of azobisisobutyronitrile is 3.0 ~ 4.0 % of vinyl benzene quality, and the adding quantity of dibutyl tin dilaurate is 0.3 ~ 0.6 % of polyether Glycols, castor oil, toluene di-isocyanate(TDI) gross mass;
(5) in the B composition weight be the ratio of 8 ~ 15 % of A composition weight, A component and B component are mixed in reactor, be warming up to 100 ℃ of reaction 3 ~ 4 h, 100 ℃ of lower vacuum outgas, be cooled to room temperature, namely get organic clay-Networks of Polyurethane/Polystyrene ternary nano composite anticorrosion coating;
(6) with brush, the coating that step (5) makes is evenly brushed on the wavy spring main body.
Beneficial effect of the present invention is, what provide has an anticorrosion antiwear layer wavy spring, and its anticorrosion antiwear layer combines polyurethane and polystyrene excellent performance one-step synthesis Networks of Polyurethane/Polystyrene inierpeneirating network structure separately.And the organic clay of lamellar structure is efficiently peeled off in the process of polymerization, and be dispersed in organic matrix, overcome in prior art nano particle and easily reunited, the shortcoming weak with the organic matrix combination force, preparation process is simple and convenient, film performance is excellent, cost is low.
Description of drawings
Fig. 1 is the wavy spring with anticorrosion antiwear layer that preparation method of the present invention makes.
Embodiment
Below by embodiment, the present invention is described in further detail, but protection domain of the present invention is not limited to described content.
Embodiment 1:
At first, by mechanical processing tools, make as shown in Figure 1 main body for along the circumferential direction with the wavy spring of several sinusoidal gasket type springs that form;
Then, cover one deck nano anti-corrosive layer on agent structure, and this nano anti-corrosive layer is made by following steps:
(1) polyether Glycols, castor oil, the organic clay of molecular weight 3000 joined in reactor mix, and stir and heat up, when temperature rises to 60 ℃, drip toluene di-isocyanate(TDI), 40min adds;
(2) then after 60 ℃ of insulated and stirred 30min, then be warming up to 80 ℃ of insulated and stirred, the end group nco value is surveyed in sampling;
(3) after NCO reaches 3.0 %, be cooled to 40 ℃, add vinyl benzene in reaction system, stir 30min, at 40 ℃ of lower vacuum outgas 30min, namely get A component--base polyurethane prepolymer for use as; Wherein the mass ratio of polyether Glycols and castor oil is 6:1, the adding quantity of toluene di-isocyanate(TDI) is pressed isocyanate index (NCO/OH)=1.5:1 and is calculated, and the adding quantity of vinyl benzene and organic clay is that 1 part of 20 parts of polyurethane, 80 parts of polystyrene, organic clay adds by polyurethane, polystyrene, organic clay ratio of components;
(4) polyether Glycols, castor oil, azobisisobutyronitrile, the dibutyl tin dilaurate with molecular weight 3000 joins in reactor, after stirring at normal temperature 30min, obtains the B component; Wherein the mass ratio of polyether polyol and castor oil is 1:4 ~ 1:5, and the adding quantity of azobisisobutyronitrile is 3.0 % of vinyl benzene quality, and the adding quantity of dibutyl tin dilaurate is 0.3% of polyether Glycols, castor oil, toluene di-isocyanate(TDI) gross mass;
(5) in the B composition weight be the ratio of 8 % of A composition weight, A component and B component are mixed in reactor, be warming up to 100 ℃ of reaction 3 h, 100 ℃ of lower vacuum outgas, be cooled to room temperature, namely get organic clay-Networks of Polyurethane/Polystyrene ternary nano composite anticorrosion coating;
(6) with brush, the coating that step (5) makes is evenly brushed on the wavy spring main body.
The wavy spring with nano anti-corrosive layer that the present embodiment makes, its antiseptic property is good, and intact through coating after 5000 compression testings.
Embodiment 2:
At first, by mechanical processing tools, make as shown in Figure 1 main body for along the circumferential direction with the wavy spring of several sinusoidal gasket type springs that form;
Then, cover one deck nano anti-corrosive layer on agent structure, and this nano anti-corrosive layer is made by following steps:
(1) polyether Glycols, castor oil, the organic clay of molecular weight 3000 joined in reactor mix, and stir and heat up, when temperature rises to 60 ℃, drip toluene di-isocyanate(TDI), 45min adds;
(2) then after 60 ℃ of insulated and stirred 40min, then be warming up to 80 ℃ of insulated and stirred, the end group nco value is surveyed in sampling;
(3) after NCO reaches 3.0 %, be cooled to 40 ℃, add vinyl benzene in reaction system, stir 40min, at 40 ℃ of lower vacuum outgas 35min, namely get A component--base polyurethane prepolymer for use as; Wherein the mass ratio of polyether Glycols and castor oil is 5:1, the adding quantity of toluene di-isocyanate(TDI) is pressed isocyanate index (NCO/OH)=2:1 and is calculated, and the adding quantity of vinyl benzene and organic clay is that 5 parts of 40 parts of polyurethane, 60 parts of polystyrene, organic clay add by polyurethane, polystyrene, organic clay ratio of components;
(4) polyether Glycols, castor oil, azobisisobutyronitrile, the dibutyl tin dilaurate with molecular weight 3000 joins in reactor, after stirring at normal temperature 30 ~ 50min, obtains the B component; Wherein the mass ratio of polyether polyol and castor oil is 1:4.5, and the adding quantity of azobisisobutyronitrile is 3.5 % of vinyl benzene quality, and the adding quantity of dibutyl tin dilaurate is 0.4 % of polyether Glycols, castor oil, toluene di-isocyanate(TDI) gross mass;
(5) in the B composition weight be the ratio of 12 % of A composition weight, A component and B component are mixed in reactor, be warming up to 100 ℃ of reaction 3 h, 100 ℃ of lower vacuum outgas, be cooled to room temperature, namely get organic clay-Networks of Polyurethane/Polystyrene ternary nano composite anticorrosion coating;
(6) with brush, the coating that step (5) makes is evenly brushed on the wavy spring main body.
The wavy spring with nano anti-corrosive layer that the present embodiment makes, its antiseptic property is good, and intact through coating after 5000 compression testings.
Embodiment 3:
At first, by mechanical processing tools, make as shown in Figure 1 main body for along the circumferential direction with the wavy spring of several sinusoidal gasket type springs that form;
Then, cover one deck nano anti-corrosive layer on agent structure, and this nano anti-corrosive layer is made by following steps:
(1) polyether Glycols, castor oil, the organic clay of molecular weight 3000 joined in reactor mix, and stir and heat up, when temperature rises to 60 ℃, drip toluene di-isocyanate(TDI), 50min adds;
(2) then after 60 ℃ of insulated and stirred 50min, then be warming up to 80 ℃ of insulated and stirred, the end group nco value is surveyed in sampling;
(3) after NCO reaches 3.0 %, be cooled to 40 ℃, add vinyl benzene in reaction system, stir 50min, at 40 ℃ of lower vacuum outgas 40min, namely get A component--base polyurethane prepolymer for use as; Wherein the mass ratio of polyether Glycols and castor oil is 4:1, the adding quantity of toluene di-isocyanate(TDI) is pressed isocyanate index (NCO/OH)=2.5:1 and is calculated, and the adding quantity of vinyl benzene and organic clay is that 10 parts of 80 parts of polyurethane, 40 parts of polystyrene, organic clay add by polyurethane, polystyrene, organic clay ratio of components;
(4) polyether Glycols, castor oil, azobisisobutyronitrile, the dibutyl tin dilaurate with molecular weight 3000 joins in reactor, after stirring at normal temperature 50min, obtains the B component; Wherein the mass ratio of polyether polyol and castor oil is 1:5, and the adding quantity of azobisisobutyronitrile is 4.0 % of vinyl benzene quality, and the adding quantity of dibutyl tin dilaurate is 0.6 % of polyether Glycols, castor oil, toluene di-isocyanate(TDI) gross mass;
(5) in the B composition weight be the ratio of 15 % of A composition weight, A component and B component are mixed in reactor, be warming up to 100 ℃ of reaction 4 h, 100 ℃ of lower vacuum outgas, be cooled to room temperature, namely get organic clay-Networks of Polyurethane/Polystyrene ternary nano composite anticorrosion coating;
(6) with brush, the coating that step (5) makes is evenly brushed on the wavy spring main body.
The wavy spring with nano anti-corrosive layer that the present embodiment makes, its antiseptic property is good, and intact through coating after 5000 compression testings.
Claims (1)
1. preparation method with wavy spring of nano anti-corrosive layer is characterized in that:
At first, by mechanical processing tools, make main body for along the circumferential direction with the wavy spring of several sinusoidal gasket type springs that form;
Then, cover one deck nano anti-corrosive layer on agent structure, and this nano anti-corrosive layer is made by following steps:
(1) polyether Glycols, castor oil, the organic clay of molecular weight 3000 joined in reactor mix, and stir and heat up, when temperature rises to 60 ℃, drip toluene di-isocyanate(TDI), 40 ~ 50min adds;
(2) then after 60 ℃ of insulated and stirred 30 ~ 50min, then be warming up to 80 ℃ of insulated and stirred, the end group nco value is surveyed in sampling;
(3) after NCO reaches 3.0 %, be cooled to 40 ℃, add vinyl benzene in reaction system, stir 30 ~ 50min, at 40 ℃ of lower vacuum outgas 30 ~ 40min, namely get A component--base polyurethane prepolymer for use as; Wherein the mass ratio of polyether Glycols and castor oil is 6:1 ~ 4:1, the adding quantity of toluene di-isocyanate(TDI) is pressed isocyanate index (NCO/OH)=1.5:1 ~ 2.5:1 and is calculated, and the adding quantity of vinyl benzene and organic clay is that polyurethane 20 ~ 80 weight portions, polystyrene 40 ~ 80 weight portions, organic clay 1 ~ 10 weight portion add by polyurethane, polystyrene, organic clay ratio of components;
(4) polyether Glycols, castor oil, azobisisobutyronitrile, the dibutyl tin dilaurate with molecular weight 3000 joins in reactor, after stirring at normal temperature 30 ~ 50min, obtains the B component; Wherein the mass ratio of polyether polyol and castor oil is 1:4 ~ 1:5, the adding quantity of azobisisobutyronitrile is 3.0 ~ 4.0 % of vinyl benzene quality, and the adding quantity of dibutyl tin dilaurate is 0.3 ~ 0.6 % of polyether Glycols, castor oil, toluene di-isocyanate(TDI) gross mass;
(5) in the B composition weight be the ratio of 8 ~ 15 % of A composition weight, A component and B component are mixed in reactor, be warming up to 100 ℃ of reaction 3 ~ 4 h, 100 ℃ of lower vacuum outgas, be cooled to room temperature, namely get organic clay-Networks of Polyurethane/Polystyrene ternary nano composite anticorrosion coating;
(6) with brush, the coating that step (5) makes is evenly brushed on the wavy spring main body.
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|---|---|---|---|---|
| CN103727354A (en) * | 2013-11-30 | 2014-04-16 | 常熟市东鑫钢管有限公司 | Production method for seamless steel tube with anti-corrosion layer |
| CN105351436A (en) * | 2015-12-14 | 2016-02-24 | 无锡亨宇减震器科技有限公司 | Novel motorcycle vibration reducer |
| CN105422725A (en) * | 2015-12-14 | 2016-03-23 | 无锡亨宇减震器科技有限公司 | Motorbike shock absorber having warning effect |
| CN105443644A (en) * | 2015-12-14 | 2016-03-30 | 无锡亨宇减震器科技有限公司 | Scratch-resistant shock absorber for motorcycle |
| WO2022260180A1 (en) * | 2021-06-11 | 2022-12-15 | 日本発條株式会社 | Coating agent and spring |
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| CN103727354A (en) * | 2013-11-30 | 2014-04-16 | 常熟市东鑫钢管有限公司 | Production method for seamless steel tube with anti-corrosion layer |
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| CN105443644A (en) * | 2015-12-14 | 2016-03-30 | 无锡亨宇减震器科技有限公司 | Scratch-resistant shock absorber for motorcycle |
| WO2022260180A1 (en) * | 2021-06-11 | 2022-12-15 | 日本発條株式会社 | Coating agent and spring |
| JP7447361B2 (en) | 2021-06-11 | 2024-03-11 | 日本発條株式会社 | Coating agent and spring |
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Application publication date: 20130508 |