CN1721484A - Rubber sealed and shock-reducing sound-absorbent material coated on metal sheet and method for preparing same - Google Patents
Rubber sealed and shock-reducing sound-absorbent material coated on metal sheet and method for preparing same Download PDFInfo
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- CN1721484A CN1721484A CN 200410052794 CN200410052794A CN1721484A CN 1721484 A CN1721484 A CN 1721484A CN 200410052794 CN200410052794 CN 200410052794 CN 200410052794 A CN200410052794 A CN 200410052794A CN 1721484 A CN1721484 A CN 1721484A
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Abstract
The present invention is sealing, damping and silencing material comprising metal sheet and coating. The coating consists of rubber, stuffing and compound ingredient. The compound ingredient includes sulfur, zinc oxide, stabilizer, etc.; the rubber is one or two selected from fluororubber, NBR, SBR, etc.; and the stuffing may be graphite, carbon black, kaolin, etc. The sealing, damping and silencing material may be machined into sealing washer in required shape, can resist the corrosion of various gas and liquid medium, operate in the temperature up to 400 deg.c and pressure up to 120 kg/sq cm, and possesses reliable sealing.
Description
Technical field
The present invention relates to a kind of " rubber-metal " material, especially a kind of on metal sheet the sealing of coating rubber and damping and silencing material and preparation method thereof.
Background technology
Use various sealing members or gasket widely in the equipments such as the power machine resembling engine and refrigerator, the fluid control that resembles pump and valve and drive unit, petrochemical equipment.These sealing materials are because of being installed in different operating environment and occasion, and they must possess work reliability and the long work-ing life that over-all propertieies such as desired machinery, physics, chemistry seal with assurance.For example, mechanical part need be in oil resistant, acidproof, alkaline-resisting, high temperature resistant, high pressure resistant or low temperature resistant work down, and sealing material should adapt to above Working environment and can keep good mechanical properties and safe and reliable sealing characteristics during use.
Existing sealing material also has and uses composition board or the sheet of making as base with metal sheet.They normally cover one deck graphite on the metal sheet, at the compound seal sheet that covers one deck asbestos on the metal sheet or by the diaphragm seal by splicing after boning or being entwined with metal sheet and non-metallic material.Although these gaskets selectively are exclusively used in some mechanically to satisfy the performance requriements of specific work environments, but as previously discussed, their over-all properties, graphite, asbestos or the restriction of other non-metallic material on density and intensity covered because of being subjected on it, and can not satisfy specific or higher service requirements.Therefore the high-precision gasket that uses under complex operating environment tends to occur very fast damage, and often needs to safeguard or change, and influences ordinary production and increases maintenance cost.
In addition, along with automotive industry, the fashion style of profile is more pursued in the particularly development of car, power powerful, the exquisiteness of interior trim, comfortable etc. during driving.The speed of a motor vehicle of general car is per hour about 130 kilometers, 300 kilometers of the car scooters of high-grade car, after the speed of a motor vehicle improves, must cause the vibrations of car and noise etc., for damping and noise reduction, take a series of technical measures in the car industry, wherein a kind of measure is exactly to wait vibrations and the noise that produces when improving automobile in the higher speed of a motor vehicle installing " shock absorption sound deadening sheet " on the disc brake pad additional.
The general introduction of invention
The objective of the invention is for the defective that overcomes above-mentioned gasket and reduce the vibrations of car and noise provide a kind of on metal sheet the sealing and the damping and silencing material of coating rubber.
For achieving the above object, the invention provides a kind of sealing and damping and silencing material of metal sheet coating rubber, wherein, comprise metal sheet, the coat of described metallizing thin plate is made up of rubber, filler and Synergist S-421 95, and its each set of dispense ratio is for as follows:
Rubber 40～70wt%
Filler 30～60wt%
Add Synergist S-421 95 1.5～10wt%
Wherein, described Synergist S-421 95 comprises sulphur, zinc oxide, white carbon black, stablizer, softening agent, smoothing agent, promotor, anti-aging agent etc.
The sealing of metal sheet coating rubber as previously discussed and damping and silencing material, wherein, described rubber is selected from one or both of viton, paracril, styrene-butadiene rubber(SBR), silicon rubber, vinylformic acid benzene rubber, chloroprene rubber.
The sealing of metal sheet coating rubber as previously discussed and damping and silencing material, wherein, described filler is carbon black, kaolin, lime carbonate, magnesiumcarbonate, barium carbonate, talcum powder etc.
The sealing of metal sheet coating rubber as previously discussed and damping and silencing material, wherein, described Synergist S-421 95 is vulcanizing agent, white carbon black, promotor, stablizer, softening agent, strengthening agent, smooth agent and anti-aging agent etc.
The sealing of metal sheet coating rubber as previously discussed and damping and silencing material, wherein, described metal sheet is a stainless steel plate, Low Alloy Steel Plate, various hot-rolled and cold-rolled sheet plates and various non-ferrous metal thin plate.
The sealing of metal sheet coating rubber as previously discussed and damping and silencing material, wherein, the thickness of described metal sheet is below 1mm, and the thickness of described coating is 0.01-0.10mm.
A kind of sealing of metal sheet coating rubber and damping and silencing preparation methods, its step is as follows:
1) according to the capacity of mill, calculate the charging capacity of the actual moiety of per car by above-mentioned formula rate, with calculate certainweight rubber drop into mill and break glue and roll refining, plasticate, drop into various admixtiones and filler then in proper order and carry out mixingly, want segmentation to carry out when mixing, roller temperature is low, generally need sufficient water coolant or refrigerated water to be cooled off, the water temperature of these water is controlled at below 10～40 ℃, with anti-sticking roller, after mixing, obtain mixed sheet or slice and do standby;
2) on positive and negative two surfaces of metal sheet or single face, adopt coating processes such as showering, roller coat, spraying with particular technology condition, independent or compound coating, and through repeatedly applying, until the dope layer of the thickness that reaches product requirement;
3) metal sheet that will have a dope layer is placed in the drying tunnel, and drying tunnel temperature rises to 100～120 ± 10 ℃ from room temperature, and solvent is volatilized totally fully, after the oven dry, and pressurization 120～125kg/cm
2Be heated to 150～260 ± 10 ℃ and make it step up cure, obtain the elastomeric material that described metal sheet applies.
Therefore sealing material of the present invention is by being skeleton with various metal sheets, and sealed faying face is the rubber surface coating, and steel plate has good compression and rebound resilience after fin is handled, thereby has guaranteed the basic demand of flat seal.With compare by traditional nonmetal sealing materials such as oil resisting paronite plate, have better high temperature resistant, anti-various media and good resistance to fatigue and creep under variable stress, thereby improved the reliability of sealing, the temperature tolerance, fatigue resistance and the creep properties that have also remedied other non-metallic material are poor, have solved the harm problem of asbestos base sealing material to human body.
This material can be according to various trim shape needs, be processed into the gasket seal of various band protruding rib morphologies with die stamping, oil, water, vapour, acid, alkali lye body and all kinds of SOLVENTS, the gaseous media that can be used for all kinds of engines, refrigerator, various mechanical part and chemical pipeline, pump, valve flange junction surface are at 400 following temperature and 120kg/cm
2Following pressure condition lower seal.
Material of the present invention also can be used to make and is used for high-grade car or the damping of general car and the shock absorption sound deadening sheet of noise reduction.Because metal sheet is applying certain thickness rubber coating, it gives material high strength and snappiness, and can make required difform shock absorption sound deadening sheet according to the model and the structure of car, assembly is in the bottom of disc type brake brake facing, and it is happy and happy comfortable that car can make officer and passenger feel relief in the process of running at high speed.
Brief description of drawings
Fig. 1 is that metal sheet tow sides of the present invention contain the sealing of coat and partial cross section's cross-sectional schematic of damping and silencing material.
The detailed description of preferred embodiment
Embodiment one
A kind of sealing of metal sheet 1 coating rubber and damping and silencing preparation methods, wherein, the described coat (A) that is coated on the metal sheet is made up of rubber, filler and Synergist S-421 95, and concrete proportion of composing (weight percentage) is as follows:
Rubber 60wt%
Filler 40wt%
Add Synergist S-421 95 2.4wt%
Wherein, coat (A) manufacturing process is:
1) described rubber is to select viton for use.
According to the capacity of mill (opening rubber mixing machine), calculate the charging capacity of the actual moiety of per car by above-mentioned formula rate.With calculate certainweight viton drop into the broken glue of mill and roll refining, order drops into various admixtiones and filler carries out mixing then.
Synergist S-421 95 comprises promotor, vulcanizing agent, white carbon black, softening agent, stablizer, smooth agent, acid-acceptor etc.
Filler comprises graphite, carbon black, kaolin, calcium oxide.
Want segmentation to carry out when mixing, and will control the roller temperature of mill, roller temperature is low, also needs sufficient water coolant or refrigerated water, and water temperature is controlled at below 20 ℃, with anti-sticking roller.After the mixing end, it is standby to go out sheet.
In above-mentioned calendering process, also certain some Synergist S-421 95 component can be taken out (not dropping into mill mixing), make solution, directly when making beating, drop into.
Again mixed sheet is carried out freshening during making beating, refine into thin and little film, in the hollander of special use, make rubber cement coating with suitable stirring solvent.
2) go up coating processes such as adopting showering, roller coat, spraying on positive and negative two surfaces (or single face) of metal sheet with particular technology condition (state), independent or compound coating, and through repeatedly applying, until the dope layer of the thickness that reaches product requirement;
3) surface-coated is had the metal sheet of elastomeric material be placed in the special-purpose drying tunnel, drying tunnel temperature rises to 120 ± 10 ℃ from room temperature, and solvent is volatilized totally fully.After the oven dry, pressurization 120kg/cm
2, progressively be warmed up to 260 ℃ ± 10 ℃ again and make it sulfuration, obtain rubber seal or damping and silencing material that metal sheet applies.
Embodiment two
The sealing and the damping and silencing preparation methods of another kind of metal sheet 1 coating rubber, wherein, the described coat (B) that is coated on the metal sheet is made up of rubber, filler and Synergist S-421 95, and concrete proportion of composing (weight percentage) is as follows:
Rubber 70wt%
Filler 30wt%
Add Synergist S-421 95 2.9wt%
Wherein, coat (B) manufacturing process is:
1) described rubber is to select styrene-butadiene rubber(SBR) for use, or also uses with natural rubber or with cis-1,4-polybutadiene rubber.
According to the capacity of mill (opening rubber mixing machine), calculate the injected volume of the actual moiety of each car by above-mentioned formula rate.
Styrene-butadiene rubber(SBR) does not generally need to plasticate, but according to this product characteristics, can suitably carry out plasticating to a certain degree, to improve the slipperiness of product.Plasticate and adopt the thin-pass method, appropriateness is plasticated.With calculate certainweight styrene-butadiene rubber(SBR) drop into mill and carry out appropriateness and plasticate, can drop into various admixtiones in proper order and filler carries out mixing.
Synergist S-421 95 comprises promotor, vulcanizing agent, white carbon black, softening agent, tackifier, strengthening agent, stablizer, smooth agent and anti-aging agent etc.
Filler comprises carbon black, kaolin, lime carbonate, magnesiumcarbonate, barium carbonate.
Mixing employing two-stage mixing.Mixing time is unsuitable long, and roller temperature is unsuitable too high.
In above-mentioned calendering process, also certain some Synergist S-421 95 component can be taken out (not dropping into mill mixing), make solution, directly when making beating, drop into.
Little and thin mixed sheet is made rubber cement coating with suitable stirring solvent in the hollander of special use;
2) go up coating processes such as adopting showering, roller coat, spraying on positive and negative two surfaces (or single face) of metal sheet with particular technology condition (state), independent or compound coating, and through repeatedly applying, until the dope layer of the thickness that reaches product requirement;
3) surface-coated there is the metal sheet of elastomeric material be placed on (drying tunnel temperature progressively rises to 100 ± 10 ℃ from room temperature) in the special-purpose drying tunnel, solvent is volatilized totally fully.After the oven dry, pressurization 120kg/cm
2, progressively be warmed up to 160 ℃ ± 10 ℃ again and make it sulfuration, obtain the elastomeric material that metal sheet applies.
Embodiment three
The sealing of another metal sheet 1 coating rubber and damping and silencing preparation methods, wherein, the described coat (C) that is coated on the metal sheet is made up of rubber, filler and Synergist S-421 95, and concrete proportion of composing (weight percentage) is as follows:
Rubber 50wt%
Filler 50wt%
Add Synergist S-421 95 2.0wt%
Wherein, coat (C) manufacturing process is:
1) described rubber is selected paracril or acrylic elastomer for use.
According to the capacity of mill, calculate the injected volume of each car real composition by above-mentioned formula rate.
The paracril of the certainweight that calculates is dropped into mill plasticates.Paracril need be plasticated usually.Paracril toughness is big, the effect of plasticating is little, so need to adopt the plasticating technology of low roller temperature, pony roll distance, lower volume.Use thin-pass method and the mixing way of segmentation every other day, make paracril reduce viscosity, improve plasticity number, mixing better, the quality of raising rubber unvulcanizate.
The paracril of plasticating rolls refining in mill, after waiting to wrap roller, can drop into various admixtiones in proper order and filler carries out mixing.
Synergist S-421 95 comprises vulcanizing agent, white carbon black, softening agent, strengthening agent, promotor, smooth agent, stablizer.
Filler comprises carbon black, kaolin, magnesiumcarbonate, barium carbonate, lime carbonate etc.
The roller temperature is unsuitable too high when mixing, and water coolant should adopt freeze cycle water, and temperature is remained on about 10 ℃.
In above-mentioned calendering process, also certain some Synergist S-421 95 component can be taken out (not dropping into mill mixing), make solution, directly when making beating, drop into.
Little and thin mixed sheet is made rubber cement coating with suitable stirring solvent in the hollander of special use;
2) go up coating processes such as adopting showering, roller coat, spraying on positive and negative two surfaces (or single face) of metal sheet with particular technology condition (state), independent or compound coating, and through repeatedly applying, until the dope layer of the thickness that reaches product requirement;
3) surface-coated there is the metal sheet of elastomeric material be placed on (drying tunnel temperature progressively rises to 120 ± 10 ℃ from room temperature) in the special-purpose drying tunnel, solvent is volatilized totally fully.After the oven dry, pressurization 120kg/cm
2, progressively be warmed up to 180 ℃ ± 10 ℃ again and make it sulfuration, obtain rubber seal or damping and silencing material that metal sheet applies.
As required paracril can with acrylic elastomer and usefulness, can also substitute by acrylic elastomer and make a kind of material separately and use, make material of the present invention with above-mentioned Synergist S-421 95 and filler are mixing.
Described metal sheet is a stainless steel plate, Low Alloy Steel Plate, various hot-rolled and cold-rolled sheet plates and various non-ferrous metal thin plate.
The thickness of described metal sheet is below 1mm, and the thickness of described coating is in the 0.01-0.10mm scope.
" metal-rubber " material that obtains to embodiment one to three carries out tests such as oil resistance, rebound degree, rate of compression, and with the metal sheet of prior art on cover one deck graphite or asbestos the compound seal sheet compare, the results are shown in Table 1 for it.
Table 1
| Content measurement | Index | Unit | Coating rubber material of the present invention (A, B, C) mean value | The sealing material that scribbles asbestos, graphite of prior art |
| * the immersion oil performance is 150 ℃, 5 hours | Thicken | ％ | ＜20 | 35-50 |
| Sclerosis | Have | Do not have | ||
| Surface quality | Non-foaming, layering, come off | Bubble, layering are arranged, come off | ||
| Compression property | Rate of compression | ％ | ＞30 | ＜20 |
| P＝34，9Mpa | Screen resilience | ％ | ＞70 | ＜50 |
| Thermotolerance | ℃ | 250-400℃±10℃ | Below 250 ℃ | |
| Deformation quantity | Micron | ＜24 | ＞24 | |
| Work-ing life | Kilometer | 600,000 | 100,000 |
* immersion oil performance, i.e. oil resistance test is adopted ASTM3# oil, and was soaked 5 hours under 150 ℃ of oily temperature
In addition, the sealing of metal sheet coating rubber of the present invention and damping and silencing material also can be used as braking automobile damping and silencing pad, can play the effect that reduces vibrations and abate the noise.Thereby make automobile in when brake stability better and noise still less, compliance with environmental protection requirements more.
Claims (8)
1. the sealing of a metal sheet coating rubber and damping and silencing material is characterized in that, comprise metal sheet, and the coat of described metallizing thin plate is made up of rubber, filler and Synergist S-421 95, and its each set of dispense ratio is for as follows:
Rubber 40～70wt%
Filler 30～60wt%
Add Synergist S-421 95 1.5～10wt%
Wherein, described Synergist S-421 95 comprises sulphur, zinc oxide, white carbon black, stablizer, softening agent, smoothing agent, promotor, anti-aging agent etc.
2. the sealing of metal sheet coating rubber as claimed in claim 1 and damping and silencing material is characterized in that, described rubber is selected from one or both of viton, paracril, styrene-butadiene rubber(SBR), silicon rubber, vinylformic acid benzene rubber, chloroprene rubber.
3. the sealing of metal sheet coating rubber as claimed in claim 1 and damping and silencing material is characterized in that, described filler is carbon black, kaolin, lime carbonate, magnesiumcarbonate, barium carbonate, talcum powder etc.
4. the sealing of metal sheet coating rubber as claimed in claim 1 and damping and silencing material is characterized in that, described Synergist S-421 95 is vulcanizing agent, white carbon black, promotor, stablizer, softening agent, strengthening agent, smooth agent and anti-aging agent etc.
5. the sealing of metal sheet coating rubber as claimed in claim 1 and damping and silencing material is characterized in that, described metal sheet is a stainless steel plate, Low Alloy Steel Plate, various hot-rolled and cold-rolled sheet plates and various non-ferrous metal thin plate.
6. the sealing of metal sheet coating rubber as claimed in claim 1 and damping and silencing material is characterized in that, the thickness of described metal sheet is below 1mm, and the thickness of described coating is 0.01-0.10mm.
7. the sealing of a metal sheet coating rubber and damping and silencing preparation methods is characterized in that, its step is as follows:
1) according to the capacity of mill, calculate the charging capacity of the actual moiety of per car by above-mentioned formula rate, with calculate certainweight rubber drop into mill and break glue and roll refining, plasticate, drop into various admixtiones and filler then in proper order and carry out mixingly, want segmentation to carry out when mixing, roller temperature is low, generally need sufficient water coolant or refrigerated water to be cooled off, the water temperature of these water is controlled at below 10～40 ℃, with anti-sticking roller, after mixing, obtain mixed sheet or slice and do standby;
2) on positive and negative two surfaces of metal sheet or single face, adopt coating processes such as showering, roller coat, spraying with particular technology condition, independent or compound coating, and through repeatedly applying, until the dope layer of the thickness that reaches product requirement;
3) metal sheet that will have a dope layer is placed in the drying tunnel, and drying tunnel temperature rises to 100～120 ± 10 ℃ from room temperature, and solvent is volatilized totally fully, after the oven dry, and pressurization 120～125kg/cm
2Be heated to 150～260 ± 10 ℃ and make it step up cure, obtain the elastomeric material that described metal sheet applies.
8. the sealing of metal sheet coating rubber as claimed in claim 7 and damping and silencing preparation methods is characterized in that, described metal sheet is a stainless steel plate, Low Alloy Steel Plate, various hot-rolled and cold-rolled sheet plates and various non-ferrous metal thin plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410052794 CN1721484B (en) | 2004-07-13 | 2004-07-13 | Rubber sealed and shock-reducing sound-absorbent material coated on metal sheet and method for preparing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410052794 CN1721484B (en) | 2004-07-13 | 2004-07-13 | Rubber sealed and shock-reducing sound-absorbent material coated on metal sheet and method for preparing same |
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| CN1721484A true CN1721484A (en) | 2006-01-18 |
| CN1721484B CN1721484B (en) | 2011-03-09 |
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| CN 200410052794 Expired - Fee Related CN1721484B (en) | 2004-07-13 | 2004-07-13 | Rubber sealed and shock-reducing sound-absorbent material coated on metal sheet and method for preparing same |
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