CN103849103A - Improved macromolecular self-sealing wrapping adhesive powder sprayed to internal walls of tires - Google Patents
Improved macromolecular self-sealing wrapping adhesive powder sprayed to internal walls of tires Download PDFInfo
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- CN103849103A CN103849103A CN201410018984.6A CN201410018984A CN103849103A CN 103849103 A CN103849103 A CN 103849103A CN 201410018984 A CN201410018984 A CN 201410018984A CN 103849103 A CN103849103 A CN 103849103A
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Abstract
The invention relates to improved macromolecular self-sealing wrapping adhesive powder sprayed to internal walls of tires. The adhesive powder contains the following ingredients in percentage by mass: 50.5% of thermoplastic elastomer, 39% of tackifier, 5% of plasticizer, 1% of antioxidant, 1% of cross-linker, 1.5% of foamer and 2% of curing agent. The adhesive powder provided by the invention has bullet-proof, leakage-proof and prick-resistant properties.
Description
Technical field
The present invention relates to a kind of macromolecular material, particularly relate to a kind of self-styled sticky rubber powder of wrapping up in of the polymer that is sprayed at tire inner wall of the improvement for vehicle tyre safety upgrade.
Background technology
The vehicle wheel that vehicle uses at present, has two types, and one has inner tube of a tyre vehicle wheel, another kind of tubeless vehicle wheel, and what in institute's passenger vehicle, substantially all use at present is tubeless vehicle wheel, tubeless vehicle wheel is progressively promoted the use of in load-carrying vehicle national requirements.Tubeless vehicle wheel has the advantages such as good thermal diffusivity, flexibility, stopping property and ride comfort performance are good, inflation use length interval time, but when tubeless vehicle wheel tire is punctured by sharp object, because sharp object residues in vehicle wheel carcass, the high pressure gas of vehicle wheel tire is known from experience and is outwards leaked or blow out puncturing position; When sharp object pierces through vehicle tyre and departs from vehicle tyre, the high pressure gas in tubeless vehicle wheel leak rapidly, if vehicle is blown out or leaked rapidly two kinds of situations in the process of running at high speed, car accident occur dangerous large, and car crash probability is high.
On the eighties in last century market, major technique is presented as the technological method in self-styled liquid glue perfusion vehicle wheel, just has at that time multiple self-sealing tire mending-leakage glue on market, is injected in vehicle wheel tire.Along with the rotation of vehicle wheel is evenly distributed in the internal surface of vehicle wheel tire, in the time that vehicle wheel tire is punctured by sharp object, cause vehicle wheel to have a flat tire, self-sealing tire mending-leakage glue and airborne oxygen reaction and solidify, reach the object of vehicle wheel tire leakproof.Its technological method shortcoming is, in liquid glue and air oxygen reaction form one deck scleroma brilliant its reduce the elasticity of vehicle wheel tire, have a strong impact on various technical features and the life-span of vehicle wheel tire, do not received by market.There is important breakthrough in this technical field of the nineties last century, found a kind of more advanced in sealing, by solid-state to the polyisoprene rubber or butene rubber or the silicon rubber etc. that spray one deck 2-3mm in vehicle wheel sticky jelly, the micro-gas leakage that solves vehicle wheel tire with this kind of solid-state sticky jelly, the phenomenon of gas leakage while being punctured by sharp object.Adopt polyisoprene rubber or the solid-state sticky jelly such as butene rubber or silicon rubber, make shellproof, the leakproof of vehicle wheel tire, the upgrade technique of resistance to bundle use and step further to real market, but there is many disadvantages and unfavorable factor: 1) because polyisoprene rubber, butene rubber, silicon rubber are all the important members in synthetic rubber, the very wide cost of material of range of application is high; 2) activity of this type of rubber, ageing resistance all cannot obtain substantial technological breakthrough, is difficult to prolonged application under the severe Working environment of vehicle wheel; 3) the solid-state sticky jelly coating of the polyisoprene rubber in vehicle wheel tire, butene rubber, silicon rubber, in service at vehicle high-speed, vehicle wheel tire and ground friction, tire intensification is too high causes the coating in tire, under centrifugal action, local deformaton occurs, and affects the transient equilibrium of vehicle wheel; 4) polyisoprene rubber, butene rubber, the silicone rubber material that adopt, cost and industrialized development all become the factor of restriction popularization.
Recent years, along with the fast development of petrochemical technology, various macromolecule resin class tackiness agents, synthetic rubber and rubber composite continue to bring out, the external high polymer elastic glue-leakage-resistant material of promoting has entered domestic market, due to the external import of conventional raw material, price is high, the limited product simplification that causes of supplying, cause this high polymer elastic glue-leakage-resistant material to come into the market to run into many difficulties, also hindered the industry development process of domestic this product simultaneously.
Therefore, found and release a kind of high temperature resistant, low temperature resistant, there is again the constructed performance of international high polymer elastic glue-leakage-resistant simultaneously, with low cost and can domesticly complete " the heatproof high molecule elasticity glue-leakage-resistant " of the purchasing of raw materials completely, become and really can make the march toward bottleneck problem of industrialization and marketability of vehicle tyre upgrading.
The existing vehicle wheel self-styled hot-melt adhesive powder of polymer aspect for upgrading, still has many defects.This series products is simple at first view, in fact very complicated, and the self-styled hot-melt adhesive powder technical requirements of polymer is very high.Because it is the basic guarantee of vehicle operating safety, in use, vehicle wheel tire need stand the test of working under the larger high low temperature temperature difference and long-time bearing pressure, to its transient equilibrium, run at high speed, the safety index requirement such as weather resistance is high especially.The self-styled hot-melt adhesive powder of polymer should be at the low temperature of-40 DEG C, vehicle high-speed when operation vehicle wheel tire is punctured, is pierced through rear self-complementary and keep one's end up, vehicle is under high speed, the long-time travel situations of high temperature again, vehicle wheel tire periphery envrionment temperature is during up to 120 DEG C of left and right, after tire is punctured, pierces through, self-complementary and keep one's end up.The self-styled hot-melt adhesive powder of existing polymer be difficult to reach this require many due to the self-styled hot-melt adhesive powder poor adhesive force of polymer and vehicle wheel tire inner wall surface adhesion not firm, cause the self-styled hot-melt adhesive powder pull-up of polymer to fall or the defect of off-clip, and be difficult to reach the undismayed function and efficacy of vehicle wheel tire after upgrading.
In order to solve the problem of above-mentioned existence, the there's no one who doesn't or isn't hard thought of relevant manufacturer and institute is asked scheme solution, is found but have no for a long time the applicable self-styled hot-melt adhesive powder of polymer always.Therefore how to found the self-styled hot-melt adhesive powder of a kind of novel polymer, be used for solving vehicle wheel tire upgrading Explosion-Proof, make it really can make the vehicle tyre upgrading industrialization and marketability of marching toward, real one of the current important research and development problem that belongs to, also becomes current industry and is badly in need of improved target.
Because the defect that the self-styled hot-melt adhesive powder of above-mentioned existing polymer exists, practical experience and the expertise of the inventor based on being engaged in this type of product design manufacture and enriching for many years, and the utilization of cooperation scientific principle, actively research and innovation in addition, to founding a kind of self-styled sticky rubber powder of wrapping up in of the polymer that is sprayed at tire inner wall of novel improvement, can improve the self-styled hot melt adhesive of general existing polymer, make it have more practicality.Through constantly research, design, and after repeatedly studying sample and improving, finally create the present invention who has practical value.
Summary of the invention
Adopting hot-fusible high-molecular glue to be sprayed at vehicle wheel tire inner wall is the key problem in technology of vehicle wheel upgrading: the one, and hot-fusible high-molecular glue should have high elasticity, resistance to air loss, tensile strength; The 2nd, hot-fusible high-molecular glue and vehicle wheel tire inner wall surface have strong sticking power.Analyze some existing hot-fusible high-molecular glue, some substantially meets key problem in technology " " requirement on functional performance, but in the requirement of failing to reach key problem in technology " two " aspect the sticking power on vehicle wheel tire inner wall surface.Its reason is, the material of vehicle wheel tire is vulcanized rubber, and surface is inertia, and most of materials and its are difficult for bonding, and the vehicle wheel tire inner wall top coat after upgrading very easily separates with tire inner wall in Vehicle Driving Cycle process.Thereby vehicle wheel tire leakproof, resistance to bundle function after weakening or forfeiture upgrading.Founding a kind of new hot-fusible high-molecular glue and both met key problem in technology " ", meet again key problem in technology " twos' " requirement, is exactly purpose of the present invention.
The object of the invention is to, overcome the defect that existing hot-fusible high-molecular glue exists, and provide a kind of new high temperature resistant (being greater than 120 DEG C), low temperature resistant (lower than-40 DEG C), oil resistant, water-fast, and there is the self-styled sticky rubber powder of wrapping up in of the polymer that is sprayed at tire inner wall of the improvement of high elasticity, resistance to air loss, tensile strength.
Another object of the present invention is to, overcome the defect that existing hot-fusible high-molecular glue exists, with the self-styled sticky rubber powder (high-air-tightness, snappiness, high-tensile and high adhesive force) of wrapping up in of the polymer that is sprayed at tire inner wall of the improvement of excellent function by hot melting spraying technology, be sprayed at vehicle wheel tire inner wall surface, formation is greater than the uniform coating that 3.5mm is thick, combine closely in coating and vehicle wheel tire inner wall surface, after cold formed, form the highdensity flexible glue of a kind of polymer, there is superior elasticity and ductility.Be difficult for utilizing inner wall surface to depart from vehicle wheel in high vehicle speeds process coating in mid-term.Can not change the transient equilibrium of vehicle wheel, not increase the shock momentum in Vehicle Driving Cycle process.
A further object of the present invention is, overcome the defect that existing hot-fusible high-molecular glue exists, and provide a kind of self-styled gluing of the polymer that is sprayed at tire inner wall of new improvement to wrap up in rubber powder, by hot melting spraying technology, be sprayed at vehicle wheel tire inner wall surface, form and be greater than the uniform coating that 3.5mm is thick.When vehicle wheel tire such as, by sharp object (spike thing, blade, glass cullet etc.) from vehicle wheel tyre surface thrusts, the highdensity polymer flexible glue layer of tire inner wall, under the effect of vehicle wheel internal gas pressure, close penetrator, penetrator is implemented automatically to glue and wrap up in sealing, reach the function that prevents gas leak in vehicle wheel tire, improve vehicle driving safety.
A further object of the present invention is, overcome the defect that existing hot-fusible high-molecular glue exists, and provide a kind of self-styled gluing of the polymer that is sprayed at tire inner wall of new improvement to wrap up in rubber powder, by hot melting spraying technology, be sprayed at vehicle wheel tire inner wall surface, form and be greater than the uniform coating that 3.5mm is thick.When vehicle wheel tire such as, by sharp object (spike thing, blade, glass cullet etc.) from vehicle wheel tyre surface thrusts.Self-styled sticky the wrapping up under snappiness, deep drawing quality and the high-tensile effect of rubber powder layer of the polymer that is sprayed at tire inner wall of improvement, when penetrator is pulled out or when Automatic-falling, the moment resilience of hot-fusible high-molecular glue is shunk, under gas pressure in vehicle wheel, automatically close vehicle wheel tire and poke place, the repaired filling of leak of vehicle wheel tire, closed obstruction, reaches and prevents that the function of gas leak in vehicle wheel tire from improving vehicle driving safety.
A further object of the present invention is, overcome the defect that existing hot-fusible high-molecular glue exists, and provide a kind of self-styled gluing of the polymer that is sprayed at tire inner wall of new improvement to wrap up in rubber powder, by hot melting spraying technology, be sprayed at vehicle wheel tire inner wall surface, form and be greater than the uniform coating that 3.5mm is thick.Can make vehicle wheel within the scope of self-temperature-40 DEG C-120 DEG C, be not more than 8mm, length 10cm sharp object or steel nail pierce through in the situation of high vehicle speeds by diameter, vehicle wheel tire can not lose heart; When sharp object or steel nail are in vehicle wheel tire or while finding to be pulled out, the leak that hot-fusible high-molecular glue-line forms on vehicle wheel tire extracting sharp object or steel nail, can moment auto-mending filling under gas pressure.
An also object of the present invention is, overcome the defect that existing hot-fusible high-molecular glue exists, and provide a kind of self-styled gluing of the polymer that is sprayed at tire inner wall of new improvement to wrap up in rubber powder, by hot melting spraying technology, be sprayed at vehicle wheel tire inner wall surface, form and be greater than the uniform coating that 3.5mm is thick.For thickening the sulfuric horizon of vehicle wheel tire, it is played to certain explosion-proof.
The object of the invention to solve the technical problems realizes by the following technical solutions.Self-styled the gluing of the polymer that is sprayed at tire inner wall of a kind of improvement proposing according to the present invention wrapped up in rubber powder, wherein comprises following component and proportion by weight: thermoplastic elastomer 50.5%; Tackifier 39%; Softening agent 5%; Antioxidant 1%; Linking agent 1%; Whipping agent 1.5%; Solidifying agent: 2%.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Self-styled the gluing of the polymer that is sprayed at tire inner wall of front described improvement wrapped up in rubber powder, and wherein said thermoplastic elastomer is selected from SIS, high styrene rubber.
Self-styled the gluing of the polymer that is sprayed at tire inner wall of front described improvement wrapped up in rubber powder, and wherein said tackifier are selected from staybelite, polymerized rosin.
Self-styled the gluing of the polymer that is sprayed at tire inner wall of front described improvement wrapped up in rubber powder, and wherein said softening agent is selected from naphthenic oil, dibutyl phthalate.
Self-styled the gluing of the polymer that is sprayed at tire inner wall of front described improvement wrapped up in rubber powder, and wherein said antioxidant is selected from antioxidant 300,4010A.
Self-styled the gluing of the polymer that is sprayed at tire inner wall of front described improvement wrapped up in rubber powder, and wherein said linking agent is selected from zinc oxide, resol.
Self-styled the gluing of the polymer that is sprayed at tire inner wall of front described improvement wrapped up in rubber powder, and wherein said whipping agent is selected from OBSH, TSH.
Self-styled the gluing of the polymer that is sprayed at tire inner wall of front described improvement wrapped up in rubber powder, and wherein said solidifying agent is selected from solidifying agent 590.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The self-styled sticky application of rubber powder as vehicle tyre safety upgrade of wrapping up in of the polymer that is sprayed at tire inner wall of a kind of improvement proposing according to the present invention, utilize vehicle tyre glue-spraying machine, without vehicle tyre inwall being carried out to any damaging processing, only go releasing agent to clean to vehicle tyre inwall, drying treatment, by self-styled the polymer that is sprayed at tire inner wall of improvement sticky wrapping up in after rubber powder hot melt, vehicle tyre inwall all or crown type body divide spraying a layer thickness to be greater than the hot-fusible high-molecular glue-line of 3.5mm, can make common vehicle tyre upgrade within the scope of low temperature-40 DEG C to high temperature+120 DEG C, have shellproof, leakproof, the vehicle tyre of resistance to bundle performance.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, the polymer that is sprayed at tire inner wall of a kind of improvement of the present invention is self-styled sticky wrapped up in rubber powder and can reach suitable technical progress and practicality, and has the extensive utility value in industry, and it at least has following advantages:
1, the present invention uses tackifier, viscosity during for reducing thermoplastic elastomer hot melt, improves by heat resisting temperature and the open assembly time of viscosity, cohesive strength, adjusting hot-melt adhesive powder, improves operability and reduce costs.
2, the present invention has selected small proportion softening agent (softening agent) <10%; Self-styledly sticky wrap up in rubber powder ductility (and mobility), reduce hardness, improve elongation at break and it is low temperature resistant for increasing the polymer that is sprayed at tire inner wall of improvement, make the self-styled sticky rubber powder of wrapping up in of the polymer that is sprayed at tire inner wall of improvement adapt to vehicle tyre and in the time of low temperature, run up and do not depart from and by sharp object with steel nail pierces through or bullet can be self-styled after puncturing.
3, the glue-line that the linking agent that the present invention uses has the formation of increase hot melting spraying has resistance to elevated temperatures and persistence.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, and for above and other object of the present invention, feature and advantage can be become apparent, especially exemplified by preferred embodiment, be described in detail as follows below.
Embodiment
In order further to set forth the present invention's technique means and effect for taking for reaching predetermined goal of the invention, below in conjunction with preferred embodiment, to the self-styled sticky rubber powder function of wrapping up in of the polymer that is sprayed at tire inner wall of a kind of improvement proposing according to the present invention, the processing method of embodiment, operation and step, feature and effect, be described in detail as follows.
A kind of self-styled sticky proportioning and component (taking mass percent as standard) of wrapping up in rubber powder of the polymer that is sprayed at tire inner wall of improvement: 50.5% thermoplastic elastomer, 39% tackifier, 5% softening agent, 1% antioxidant, 1% linking agent, 1.5% whipping agent, 2% solidifying agent.
Embodiment 1
Take thermoplastic elastomer SIS300g, high styrene rubber 205g; Tackifier: staybelite 200g, polymerized rosin 190g; Softening agent: naphthenic oil 20g, dibutyl phthalate 30g; Antioxidant: antioxidant 300,6g, antioxidant 4010A, 4g; Linking agent: zinc oxide 10g; Whipping agent: OBSH, 15g; Solidifying agent: solidifying agent 590,20g.
Embodiment 2
Take thermoplastic elastomer SIS200g, high styrene rubber 305g; Tackifier: polymerized rosin 390g; Softening agent: dibutyl phthalate 50g; Antioxidant: antioxidant 300,8g, antioxidant 4010A, 2g; Linking agent: resol 10g; Whipping agent: TSH, 15g; Solidifying agent: solidifying agent 590,20g.
The self-styled sticky synthetic order of wrapping up in rubber powder of the polymer that is sprayed at tire inner wall of a kind of improvement that the present invention proposes is: utilize crushing material equipment, solid substances is ground into <150 order particle; Utilize continous way mixing equipment that solid substances and liquid material after pulverizing are evenly mixed, mix rear metering pack.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, according to technical spirit of the present invention, any simple modification that above embodiment is done, equivalent variations and amendment, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. self-styled the gluing of the polymer that is sprayed at tire inner wall of improvement wrapped up in a rubber powder, it is characterized in that comprising following component and proportion by weight:
Thermoplastic elastomer: 50.5%;
Tackifier: 39%;
Softening agent: 5%;
Antioxidant: 1%;
Linking agent: 1%;
Whipping agent: 1.5%;
Solidifying agent: 2%.
2. self-styled the gluing of the polymer that is sprayed at tire inner wall of improvement according to claim 1 wrapped up in rubber powder, it is characterized in that wherein said thermoplastic elastomer is selected from SIS, high styrene rubber.
3. self-styled the gluing of the polymer that is sprayed at tire inner wall of improvement according to claim 1 wrapped up in rubber powder, it is characterized in that wherein said tackifier are selected from staybelite, polymerized rosin.
4. self-styled the gluing of the polymer that is sprayed at tire inner wall of improvement according to claim 1 wrapped up in rubber powder, it is characterized in that wherein said softening agent is selected from naphthenic oil, dibutyl phthalate.
5. self-styled the gluing of the polymer that is sprayed at tire inner wall of improvement according to claim 1 wrapped up in rubber powder, it is characterized in that wherein said antioxidant is selected from antioxidant 300,4010A.
6. self-styled the gluing of the polymer that is sprayed at tire inner wall of improvement according to claim 1 wrapped up in rubber powder, it is characterized in that wherein said linking agent is selected from zinc oxide, resol.
7. self-styled the gluing of the polymer that is sprayed at tire inner wall of improvement according to claim 1 wrapped up in rubber powder, it is characterized in that wherein said whipping agent is selected from OBSH, TSH.
8. self-styled the gluing of the polymer that is sprayed at tire inner wall of improvement according to claim 1 wrapped up in rubber powder, it is characterized in that wherein said solidifying agent is selected from solidifying agent 590.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410018984.6A CN103849103A (en) | 2014-01-15 | 2014-01-15 | Improved macromolecular self-sealing wrapping adhesive powder sprayed to internal walls of tires |
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| CN201410018984.6A CN103849103A (en) | 2014-01-15 | 2014-01-15 | Improved macromolecular self-sealing wrapping adhesive powder sprayed to internal walls of tires |
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| CN103849103A true CN103849103A (en) | 2014-06-11 |
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| CN201410018984.6A Pending CN103849103A (en) | 2014-01-15 | 2014-01-15 | Improved macromolecular self-sealing wrapping adhesive powder sprayed to internal walls of tires |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999179A (en) * | 2007-01-12 | 2007-07-18 | 张海龙 | Pricking resistant, bullet-proof, leakage-proof safety tyre, its manufacturing method and its used polymer leakage-proof mending material |
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- 2014-01-15 CN CN201410018984.6A patent/CN103849103A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999179A (en) * | 2007-01-12 | 2007-07-18 | 张海龙 | Pricking resistant, bullet-proof, leakage-proof safety tyre, its manufacturing method and its used polymer leakage-proof mending material |
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Application publication date: 20140611 |