CN1803482A - Air leakage free self-repairing vacuum tyre and its machining process - Google Patents
Air leakage free self-repairing vacuum tyre and its machining process Download PDFInfo
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- CN1803482A CN1803482A CN 200610001893 CN200610001893A CN1803482A CN 1803482 A CN1803482 A CN 1803482A CN 200610001893 CN200610001893 CN 200610001893 CN 200610001893 A CN200610001893 A CN 200610001893A CN 1803482 A CN1803482 A CN 1803482A
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Abstract
The invention discloses an air leaking-proof self-supplementing vacuum tyre and manufacturing craft, which is characterized by the following: 1-6 mm styrene-isoprene copolymer elastic colloid is coated on the inner wall of tyre, which adapts the weight ratio of styrene and isoprene at 1:0.3-0.7; the inner wall of vacuum tyre is polished and cleaned; the copolymer elastic colloid is heat at 110-280 deg C to coat on the inner wall, which makes the coating thickness possess self-supplementing function after piercing. The invention can prevent tyre from air leakage, which contains good self-supplementing function between -40 and 100 deg C.
Description
Technical field
The invention belongs to air leakage free self-repairing type tyre technology, relate in particular to a kind of thermoplastic elastomer application of anti-leakage layers that has, possess the vacuum tire of air leakage free self-repairing function.
Background technology
Vacuum tire is the inner tube free type tire that present car generally uses, and it has advantages such as good sealing effect, inflationtime be long at interval.But when the vacuum tire is pierced through by sharp objects, if sharp objects is stayed on the tire body, high pressure gas in the tire is known from experience by piercing through slowly leakage of position generation, if sharp objects breaks away from tire body after piercing through tire, it is intact or the phenomenon of blowing out occurs that then the high pressure gas in the vacuum tire is known from experience very fast leakage.
At present the most frequently used prevents that the method for leaking gas behind the tyre puncture from being between carcass or the inwall of carcass increases by an anti-layer or the application of anti-leakage layers of piercing through.For example the Chinese patent ZL 00213646.5 that announces January 24 calendar year 2001 discloses a kind of tire, and it comprises carcass and the decorative pattern on carcass, it is characterized in that adding between carcass and the decorative pattern interlayer that one deck is made up of ceramic fiber cloth and epoxy resin composite material.On August 13rd, 2003, the Chinese patent ZL 02240949.1 of bulletin provided a kind of structure improved runflat, and it becomes tire body by tyre surface, the inner tube of a tyre and anti-leakage mutual group, and inner edge sealing place of tire inner tube is filled with anti-leakage.The Chinese patent ZL 200420045236.9 of on June 1st, 2005 bulletin relates to a kind of filling car vacuum tire of exempting from, and it is characterized in that inside face at tire is stained with a silica gel or the leakproof of silicone glass cement exempts to mend layer, and exempting to mend laminar surface in leakproof is equalizing press layer.The tire of mentioning in the above-mentioned patent all in various degree solution the leakproof problem of tire, but also there is shortcoming simultaneously, at first above-mentioned patent just simply increases an application of anti-leakage layers or leakproof liquid layer on tire, concrete application of anti-leakage layers component is not provided, be a kind of imagination, can't realize by patent specification; Secondly tire need stand the bigger temperature difference, about 100 ℃ high temperature in the time of bearing subzero about 40 ℃ low temperature and high-speed operation, and the application of anti-leakage layers that above-mentioned patent is mentioned is easy to aging or ineffective; It is insecure to exist application of anti-leakage layers to combine with tire body at last, the shortcoming that comes off easily.
Summary of the invention
The purpose of this invention is to provide and a kind ofly have goodly in mending performance, under high low temperature, have the air leakage free self-repairing vacuum tyre and the processing technology thereof of good resistance ageing properties.
The technical solution used in the present invention is as follows:
A kind of air leakage free self-repairing vacuum tyre, it is the styrene-isoprene copolymer elastic gel of 1～6mm that the inner-wall spraying that it is characterized in that vacuum tire has a layer thickness.
The outside of the styrene-isoprene copolymer elastic gel layer of this air leakage free self-repairing vacuum tyre also can be coated with one deck nitro oil-soluble lacquer protective layer.
The processing technology that this has the air leakage free self-repairing vacuum tyre of styrene-isoprene copolymer elastic gel layer is characterized in that processing technology is as follows:
(1) with styrene and isoprene monomer by weight styrene: isoprene=1: 0.3～0.7 is mixed and is carried out copolymerization, obtains styrene-isoprene copolymer elastic gel;
(2) inwall of vacuum tire is polished and clean;
(3) the styrene-isoprene copolymer elastic gel that step (1) is obtained is heated on the inwall that is sprayed on vacuum tire after 110～280 ℃, sprayed coating thickness is 1～6mm, in the time of spraying copolymer elastic gel layer is lowered the temperature, copolymer elastic gel layer is solidified, obtain described air leakage free self-repairing vacuum tyre.
The described polishing of step (2) is to scrape grinding apparatus with guide wheel cutting, grinder buffing or cutter the inwall of vacuum tire is processed into the uniform hair side of roughness.
The described cooling of step (3) is to adopt air coolant tube that sprayed coating blast-cold gas or normal temperature air are lowered the temperature.
The concrete processing technology of this air leakage free self-repairing vacuum tyre is as follows:
(1) with styrene and isoprene monomer by weight styrene: isoprene=1: 0.3～0.7 is mixed and is carried out polymerization reaction, stirs under heating or normal temperature condition and carries out polymerization reaction, obtains styrene-isoprene copolymer elastic gel;
(2) inwall of vacuum tire is polished and clean, its inwall is processed into cleaning, the uniform hair side of roughness;
(3) the styrene-isoprene copolymer elastic gel that step (1) is obtained is heated on the inwall that is sprayed on vacuum tire after 110～280 ℃, sprayed coating thickness is 1～6mm, by refrigerator pipe sprayed coating blast-cold gas or normal temperature air is lowered the temperature to copolymer elastic gel layer in the time of spraying;
(4) will spray and, cool to-30 ℃ gradually from 40 ℃ stage by stage and carry out cooling curing through the vacuum tire after the cooling of copolymer elastic gel layer is sent into strong cold house.
This processing technology with nitro oil-soluble lacquer protective layer is after with cold air or normal temperature air copolymer elastic gel layer being solidified, skin at the copolymer elastic gel that solidifies sprays one deck nitro oil-soluble enamelled coating covering copolymer elastic gel layer again, obtains described air leakage free self-repairing vacuum tyre.
SIS (SIS) claim styrene analog thermoplastic elastomer again, the styrene-isoprene copolymer that uses among the present invention is above-mentioned periodic copolymer, it has characteristics such as intensity height, softness, and has higher adhesion and elasticity.The styrene-isoprene copolymer has good flowing power in 110～280 ℃ of scopes, but very little through its rheological characteristic after the low-temperature setting, and can keep its premium properties when 100 ℃ of high temperature and low temperature-40 ℃.With regard to the energy polymerization reaction take place, its compound has too big viscosity, is unfavorable for the carrying out of polymerization reaction at normal temperatures for styrene and isoprene monomer, if react under heating condition, the flow property of its compound is better, and stirring condition is good.The polymeric level of this polymeric level styrene-isoprene copolymer is not high, and what therefore obtain is the high viscosity body with curing elastic.
The inwall of vacuum tire inevitably exists foreign matter or dust, by after polishing and cleaning, its inwall is the rough surface that has projection as the fine hair, can make the styrene-isoprene copolymer colloid layer thickness of spraying even, strong adhesion, and tight with the combination of vacuum tire inwall.Polishing and cleaning way mainly contain guide wheel cutting, grinder buffing and cutter and scrape etc., speed of polishing with emery wheel and better effects if some.During spraying elastic gel layer, the vacuum tire after the polishing is stepped up with tire that device is fixed and rotate, uniformly spray on the vacuum tire inwall with the styrene-isoprene copolymer liquid of glue-spraying device then heating and melting with certain speed.The spraying in by refrigerator pipe to sprayed coating blast-cold gas or normal temperature air, copolymer colloid is solidified rapidly, obtain the uniform styrene-isoprene copolymer colloid of thickness layer.
In order to reduce the viscosity of copolymer, need heat this copolymer colloid during spraying, this colloid has the flowing power that can spray under the temperature more than 110 ℃, but heating-up temperature can not be higher than 280 ℃, to prevent this polymeric colloid degraded.Cause the problem of its sprayed coating uneven thickness in order to prevent that the styrene-isoprene copolymer from flowing after spraying, when the contriver adopts spraying to spraying top blast cold air or normal temperature air, the copolymer colloid layer is solidified, if accelerate the speed of spraying, can be with the curing of lowering the temperature of the cold air below the zero degrees celsius, if spraying rate is slower, just adopt normal temperature air to be cured.
Copolymer colloid layer after the curing still has very high viscosity, in the following process and operation engineering of tire, inevitably touch operator's arm and instrument, this might destroy this copolymer colloid layer, influences the air leakage free self-repairing effect of this vacuum tire.Solution commonly used is: will spray and through the vacuum tire after the cooling of copolymer elastic gel layer is sent into strong cold house, cool to-30 ℃ gradually from 40 ℃ stage by stage and carry out cooling curing, and generally be divided into three grades of cooling curing operations; Another kind method is that the skin at the copolymer elastic gel that solidifies sprays one deck nitro oil-soluble enamelled coating again and covers copolymer elastic gel layer, copolymer elastic gel layer that this nitro oil-soluble enamelled coating can be high with viscosity and the contactant isolation in the processing, and this nitro oil-soluble enamelled coating has the good adaptive effect, can not chap and come off under the long-term use.
This styrene-isoprene copolymer colloid layer can be filled up automatically after tire is pierced through by sharp objects and pierce through hole, effectively prevent to pierce through hole gas leakage, can effectively fill up less than the acanthopore of 8mm the aperture after tested, it is air tight that tire 80 hours is pierced through in watertight test, and it is air tight that road operation test pierces through 2500 kilometers of tire runnings.
Beneficial effect of the present invention is that this air leakage free self-repairing vacuum tyre not only has the function of benefit certainly after piercing through, and prevents gas leakage, can keep its good leakproof self-mending performance down at 100 ℃ and-40 ℃ simultaneously.This tire processing technology does not need sulfuration, and operation is simple, and the styrene-isoprene copolymer colloid layer thickness of spraying is even, and is strong with the adhesive force of vacuum tire inwall, and energy permanency shape also keeps suppleness.This air leakage free self-repairing vacuum tyre can be used for various cars and other power actuated vehicle.
The specific embodiment
It is styrene-isoprene copolymer elastic gel layer about 4mm that the inner-wall spraying of embodiment 1 this air leakage free self-repairing vacuum tyre has thickness.Its preparation technology is as follows:
Earlier with styrene and isoprene monomer by weight styrene: isoprene=reaction vessel in mix at 1: 0.5, be heated to about 140 ℃ and stir and carry out polymerization reaction, obtain the styrene-isoprene copolymer elastic gel of thickness; With emery wheel the inwall of vacuum tire is polished, grinding depth is 0.01～0.05mm, cleans buffed surface with clear water, dries then, and its inwall is processed into cleaning, the uniform hair side of roughness; With frock clamp the tire cylindrical is carried out clamping, and make tire with 2000 rev/mins rotational speed, the styrene-isoprene copolymer elastic gel that makes is heated on the inwall that is sprayed on vacuum tire after 110 ℃, sprayed coating thickness is 4mm, spraying time by refrigerator pipe to sprayed coating blow cold air about 5 ℃ to copolymer elastic gel layer cooling solidify, obtain this air leakage free self-repairing vacuum tyre.
After tested, this air leakage free self-repairing vacuum tyre can keep its good leakproof self-mending performance under 100 ℃ and-40 ℃.Carried out thermal ageing 8 hours under 120 ℃, this copolymer elastic gel layer has a small amount of overflowing to move; Carried out thermal ageing 8 hours under 90 ℃, this copolymer elastic gel layer does not have excessive moving.
It is styrene-isoprene copolymer elastic gel layer about 6mm that the inner-wall spraying of embodiment 2 these air leakage free self-repairing vacuum tyres has thickness.Its preparation technology is as follows:
Earlier with styrene and isoprene monomer by weight styrene: isoprene=reaction vessel in mix at 1: 0.7, be heated to about 180 ℃ and stir and carry out polymerization reaction, obtain the styrene-isoprene copolymer elastic gel of thickness; With guide wheel the inwall of vacuum tire is cut polishing, grinding depth is 0.01～0.05mm, cleans cutting face with clear water, dries then, and its inwall is processed into cleaning, the uniform hair side of roughness; With frock clamp the tire cylindrical is carried out clamping, and make tire with 1000 rev/mins rotational speed, the styrene-isoprene copolymer elastic gel that makes is heated on the inwall that is sprayed on vacuum tire after 180 ℃, sprayed coating thickness is 6mm, by refrigerator pipe sprayed coating is blown normal temperature air to copolymer elastic gel layer cooling curing in the time of spraying, vacuum tire after solidifying is sent into strong cold house, cool to-30 ℃ gradually from 40 ℃ in three stages and carry out cooling curing, obtain this air leakage free self-repairing vacuum tyre.
After tested, this air leakage free self-repairing vacuum tyre can keep its good leakproof self-mending performance down 100 ℃ and-40 ℃, and this copolymer colloid layer can effectively be filled up after this tire was worn in the group attack, and it is air tight that tire 30 hours is pierced through in watertight test.
It is styrene-isoprene copolymer elastic gel layer about 6mm that the inner-wall spraying of embodiment 3 these air leakage free self-repairing vacuum tyres has thickness.Its preparation technology is as follows:
Earlier with styrene and isoprene monomer by weight styrene: isoprene=reaction vessel in mix at 1: 0.3, be heated to about 200 ℃ and stir and carry out polymerization reaction, obtain the styrene-isoprene copolymer elastic gel of thickness; With emery wheel the inwall of vacuum tire is polished, grinding depth is 0.01～0.05mm, cleans buffed surface with clear water, dries then, and its inwall is processed into cleaning, the uniform hair side of roughness; With frock clamp the tire cylindrical is carried out clamping, and make tire with 200 rev/mins rotational speed, the styrene-isoprene copolymer elastic gel that makes is heated on the inwall that is sprayed on vacuum tire after 260 ℃, sprayed coating thickness is 1mm, by refrigerator pipe sprayed coating is blown subzero 4 ℃ cold air to copolymer elastic gel layer cooling curing in the time of spraying, spray one deck nitro oiliness enamelled coating at last again and cover copolymer elastic gel layer, obtain described air leakage free self-repairing vacuum tyre.Touch the nitro oily varnish overplate that solidifies with hand, its smooth surface also has elasticity, can play protective action to copolymer elastic gel layer.
After tested, this air leakage free self-repairing vacuum tyre can keep its good leakproof self-mending performance under 100 ℃ and-40 ℃.Carried out thermal ageing 8 hours under 120 ℃, this copolymer elastic gel layer has a small amount of overflowing to move; Carried out thermal ageing 8 hours under 90 ℃, this copolymer elastic gel layer does not have excessive moving.
It is styrene-isoprene copolymer elastic gel layer about 3mm that the inner-wall spraying of embodiment 4 these air leakage free self-repairing vacuum tyres has thickness.Its preparation technology is as follows:
Earlier with styrene and isoprene monomer by weight styrene: isoprene=reaction vessel in mix at 1: 0.6, heating stir down and carry out polymerization reaction, obtain the styrene-isoprene copolymer elastic gel of thickness; With emery wheel the inwall of vacuum tire is polished, grinding depth is 0.01～0.05mm, cleans buffed surface with clear water, dries then, and its inwall is processed into cleaning, the uniform hair side of roughness; With frock clamp the tire cylindrical is carried out clamping, and make tire with 600 rev/mins rotational speed, the styrene-isoprene copolymer elastic gel that makes is heated on the inwall that is sprayed on vacuum tire after 160 ℃, sprayed coating thickness is 3mm, spraying time by refrigerator pipe sprayed coating is blown 0 ℃ cold air to copolymer elastic gel layer cooling solidify, spray one deck nitro oiliness enamelled coating at last again and cover copolymer elastic gel layer, obtain described air leakage free self-repairing vacuum tyre.Touch the nitro oily varnish overplate that solidifies with hand, its smooth surface also has elasticity, can play protective action to copolymer elastic gel layer.
After tested, this air leakage free self-repairing vacuum tyre can keep its good leakproof self-mending performance under 100 ℃ and-40 ℃.Carried out thermal ageing 8 hours under 120 ℃, this copolymer elastic gel layer has a small amount of overflowing to move; Carried out thermal ageing 8 hours under 90 ℃, this copolymer elastic gel layer does not have excessive moving.
Claims (7)
1. air leakage free self-repairing vacuum tyre, it is the styrene-isoprene copolymer elastic gel of 1～6mm that the inner-wall spraying that it is characterized in that vacuum tire has a layer thickness.
2. air leakage free self-repairing vacuum tyre according to claim 1 is characterized in that the outside of described styrene-isoprene copolymer elastic gel layer also is coated with one deck nitro oil-soluble lacquer protective layer.
3. the processing technology of the described air leakage free self-repairing vacuum tyre of claim 1 is characterized in that processing technology is as follows:
(1) with styrene and isoprene monomer by weight styrene: isoprene=1: 0.3～0.7 is mixed and is carried out copolymerization, obtains styrene-isoprene copolymer elastic gel;
(2) inwall of vacuum tire is polished and clean;
(3) the styrene-isoprene copolymer elastic gel that step (1) is obtained is heated on the inwall that is sprayed on vacuum tire after 110～280 ℃, sprayed coating thickness is 1～6mm, in the time of spraying copolymer elastic gel layer is lowered the temperature, copolymer elastic gel layer is solidified, obtain described air leakage free self-repairing vacuum tyre.
4. the processing technology of air leakage free self-repairing vacuum tyre according to claim 3 is characterized in that the described polishing of step (2) is to scrape grinding apparatus with guide wheel cutting, grinder buffing or cutter the inwall of vacuum tire is processed into the uniform hair side of roughness.
5. the processing technology of air leakage free self-repairing vacuum tyre according to claim 3 is characterized in that the described cooling of step (3) is to adopt air coolant tube that sprayed coating blast-cold gas or normal temperature air are lowered the temperature.
6. the processing technology of the described air leakage free self-repairing vacuum tyre of claim 1 is characterized in that concrete processing technology is as follows:
(1) with styrene and isoprene monomer by weight styrene: isoprene=1: 0.3～0.7 is mixed and is carried out polymerization reaction, stirs under heating or normal temperature condition and carries out polymerization reaction, obtains styrene-isoprene copolymer elastic gel;
(2) inwall of vacuum tire is polished and clean, its inwall is processed into cleaning, the uniform hair side of roughness;
(3) the styrene-isoprene copolymer elastic gel that step (1) is obtained is heated on the inwall that is sprayed on vacuum tire after 110～280 ℃, sprayed coating thickness is 1～6mm, by refrigerator pipe sprayed coating blast-cold gas or normal temperature air is lowered the temperature to copolymer elastic gel layer in the time of spraying;
(4) will spray and, cool to-30 ℃ gradually from 40 ℃ stage by stage and carry out cooling curing through the vacuum tire after the cooling of copolymer elastic gel layer is sent into strong cold house.
7. the processing technology of the described air leakage free self-repairing vacuum tyre of claim 2 is characterized in that processing technology is as follows:
(1) with styrene and isoprene monomer by weight styrene: isoprene=1: 0.3～0.7 is mixed and is carried out copolymerization, obtains styrene-isoprene copolymer elastic gel;
(2) inwall of vacuum tire is polished and clean;
(3) the styrene-isoprene copolymer elastic gel that step (1) is obtained is heated on the inwall that is sprayed on vacuum tire after 110～280 ℃, sprayed coating thickness is 1～6mm, to the cooling of copolymer elastic gel layer, copolymer elastic gel layer is solidified in the time of spraying;
(4) skin at the copolymer elastic gel that solidifies sprays one deck nitro oiliness enamelled coating covering copolymer elastic gel layer again, obtains described air leakage free self-repairing vacuum tyre.
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| CNB2006100018937A CN100410087C (en) | 2006-01-25 | 2006-01-25 | Air leakage free self-repairing vacuum tyre and its machining process |
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| CNB2006100018937A CN100410087C (en) | 2006-01-25 | 2006-01-25 | Air leakage free self-repairing vacuum tyre and its machining process |
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| CN100410087C CN100410087C (en) | 2008-08-13 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008031282A1 (en) * | 2006-09-08 | 2008-03-20 | Hailong Zhang | The high molecular air leaking-proofing sealant material and the air leaking-proofing tyre containing the same |
| EP1944176A1 (en) * | 2007-01-12 | 2008-07-16 | Hailong Zhang | A puncture-resistant bulletproof and leakproof safety tire and its preparation method, and a leakproof and hermetically-repairing macromolecular material utilized in the method |
| CN102259564A (en) * | 2010-05-24 | 2011-11-30 | 郭春富 | Tyre with self-repairing function and processing method thereof |
| CN102887037A (en) * | 2011-07-19 | 2013-01-23 | 江苏三元轮胎有限公司 | Self-repairing, slab-resistant and anti-explosion tire, self-repairing glue used for tire and spraying technology |
| CN102886347A (en) * | 2011-07-19 | 2013-01-23 | 江苏三元轮胎有限公司 | Spraying technique for tire self-repairing glue |
| CN103350620B (en) * | 2013-07-16 | 2016-07-06 | 张双林 | A kind of anti-puncturing safe tyre |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3507934A (en) * | 1965-12-20 | 1970-04-21 | Shell Oil Co | Block copolymer compositions having improved processability |
| JP2005126654A (en) * | 2003-10-22 | 2005-05-19 | Masstech:Kk | Tire-puncture preventive soft resin material injectable into tire tube |
| EP2723186A1 (en) * | 2011-06-27 | 2014-04-30 | Intercontinental Great Brands LLC | Polydiorganosiloxane-encapsulated active ingredient, method for the preparation thereof, and chewing gum comprising same |
-
2006
- 2006-01-25 CN CNB2006100018937A patent/CN100410087C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008031282A1 (en) * | 2006-09-08 | 2008-03-20 | Hailong Zhang | The high molecular air leaking-proofing sealant material and the air leaking-proofing tyre containing the same |
| EP1944176A1 (en) * | 2007-01-12 | 2008-07-16 | Hailong Zhang | A puncture-resistant bulletproof and leakproof safety tire and its preparation method, and a leakproof and hermetically-repairing macromolecular material utilized in the method |
| WO2008083534A1 (en) * | 2007-01-12 | 2008-07-17 | Hailong Zhang | A safety tyre, a manufacturing method thereof and a high molecular leakproof seal material used |
| US8236883B2 (en) | 2007-01-12 | 2012-08-07 | Hailong Zhang | Puncture-resistant bulletproof and leakproof safety tire and its preparation method, and a leakproof and hermetically-repairing macromolecular material utilized in the method |
| CN102259564A (en) * | 2010-05-24 | 2011-11-30 | 郭春富 | Tyre with self-repairing function and processing method thereof |
| CN102887037A (en) * | 2011-07-19 | 2013-01-23 | 江苏三元轮胎有限公司 | Self-repairing, slab-resistant and anti-explosion tire, self-repairing glue used for tire and spraying technology |
| CN102886347A (en) * | 2011-07-19 | 2013-01-23 | 江苏三元轮胎有限公司 | Spraying technique for tire self-repairing glue |
| CN103350620B (en) * | 2013-07-16 | 2016-07-06 | 张双林 | A kind of anti-puncturing safe tyre |
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| CN100410087C (en) | 2008-08-13 |
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