CN100379834C - Puncture sealing agent - Google Patents
Puncture sealing agent Download PDFInfo
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- CN100379834C CN100379834C CNB2003801042139A CN200380104213A CN100379834C CN 100379834 C CN100379834 C CN 100379834C CN B2003801042139 A CNB2003801042139 A CN B2003801042139A CN 200380104213 A CN200380104213 A CN 200380104213A CN 100379834 C CN100379834 C CN 100379834C
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- Prior art keywords
- puncture
- agent
- latex
- mending agent
- mending
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- Expired - Lifetime
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Images
Abstract
A puncture sealing agent that can maintain high sealing capability and excels in practical utility. In particular, a puncture sealing agent capable of sealing holes of punctured tire characterized in that the puncture sealing agent comprises (1) at least one rubber latex selected from the group consisting of SBR latex, NBR latex, carboxylated SBR latex and carboxylated NBR latex, (2) an antifreezing agent and (3) at least one of staple fibers and resin adhesives miscible with the above rubber latex.
Description
Technical field
The puncture-mending agent that uses when the present invention relates to the hole of the tire that a kind of repairing pierces through.
Background technology
As being used for when piercing through piercing through the healant that repair at the position, known have a multiple puncture-mending agent (for example with reference to patent documentation 1).They mainly comprise the colloidal dispersion system polymer (latex) in the aqueous medium.Can use for example polyethylene-butadiene latex, poly latex, acrylic copolymer latex, nitrile latex, polychloroprene latex etc. as this latex.
In order this puncture-mending agent to be imported inside tires and to carry out pressing in the filling and make it and can move, adopt device, for example spray tank that possesses pressure vessel at present, this pressure vessel accommodates the puncture-mending agent that contains as the liquefied gas of pressure source.In addition, mainly use the propane butane mixed gas as liquefied gas.Also can use fluorochlorohydrocarbon.In the spray tank, an end of pipeline is connected the outlet valve place, simultaneously, disposes the tyre valve screwed union at the other end of pipeline.
When tire was pierced, puncture-mending agent was blown into inside tires from spray tank through tyre valve.When being blown into, the fuel gas of specified pressure that adopts different levels based on quantity of gas leakage to inflation of tire to certain interior pressure.This moment, portion scattered puncture-mending agent within it according to the degree of injury of tire, and repair damage limit, limit is travelled several kilometers.
In addition, in other devices, puncture-mending agent is contained in the compression bottle in advance, and this compression bottle is connected the tyre valve place of pulling out valve inside by joint.Puncture-mending agent is blown into inside tires under the compressive action of bottle.After inserting valve inside, tire is reexpanded to specific internal pressure.
Need to prove that the puncture-mending agent that uses can not be satisfied the demand fully at present.Because they can mechanically be removed quickly, and the speed of obstruction pierced holes is slower, and therefore the preparation driving process that is used for travelling after finishing repairing needs considerable time.
Puncture-mending agent is imported into inside tires and also has problems for the inflation of tire existing apparatus.Also depend on its ratio of mixture though contain the use of spray tank of the propane butane mixed gas of the gas that acts as a fuel, just as do not cool the temperature to about 0 ℃ and can not use fully.In addition, the propane butane mixed gas is flammable explosive substance.But and fluorochlorohydrocarbon contaminate environment.In addition, known all fuel gas can only utilize very limited amount when piercing through.
Pumping (pump up) device as puncture-mending agent that can address the above problem and tire, the repairing pumping installation that in patent documentation 1, discloses a kind of puncture-mending agent and used this puncture-mending agent for example, this puncture-mending agent comprises the rubber latex that only is made of natural rubber latex, contains the resene tackiness agent that is fit to this natural rubber latex simultaneously.But recently, the anaphylaxis that the specified protein that is contained by the natural rubber latex Ruzhong causes has become problem.That is, when natural rubber attached to the skin of hand, face etc. on the time, will occur scratching where it itches or similar urticarial symptom such as rubescent swelling in this part.In addition, suck and disperse when airborne natural rubber latex, might cause symptoms such as asthma attack, rhinitis, conjunctivitis.Therefore, the material that use contains natural rubber is during as puncture-mending agent, when the tire that repairing is pierced through, make puncture-mending agent attached to positions such as operator's hand, faces accidentally, or the Health cost that is caused by anaphylaxis might take place when sucking the puncture-mending agent that disperses jointly with gas in the operator.
In addition, for guaranteeing the stability of natural rubber latex, add ammonia usually, with about pH regulator to 9～10 as the pH regulator agent as latex.Therefore, puncture-mending agent will distribute the strong impulse smell when repairing is pierced through, and operator's Working environment be worsened, and also might produce detrimentally affect to health.
At above-mentioned natural rubber (NR), progressively carry out the improvement that utilizes deproteinized natural rubber in recent years.By this type of improvement,, do not eliminate or alleviate the intense stimulus smell that produces when using as puncture-mending agent though can improve anaphylaxis effectively to human body to natural rubber.In addition, as the pH regulator agent of natural rubber, attempting using the reagent beyond the Ammonia, but in actual applications, the reagent beyond the Ammonia is difficult to fully to guarantee the stability of the natural rubber latex that contains in puncture-mending agent.
On the other hand, puncture-mending agent requires to have with inferior character: (1) pierces through hole toolability, (2) easily injection (injecting puncture-mending agent from inflating valve etc. easily), (3) freeze-proof (use at low temperatures and do not freeze), also unseparated segregational stability of (4) prolonged preservation to a certain degree.
In the above-described existing puncture-mending agent, guarantee its toolability by the latex of principal constituent.And guarantee freeze-proof by frostproofer, by tackifier and pH regulator agent to guarantee easy injection and segregational stability.
But the characteristic of described (1)～(4) has conflicting relation.For example, the ethylene glycol content in puncture-mending agent can have sufficient freeze-proof when increasing, but causes toolability to descend because of the content of latex reduces relatively.Therefore, be difficult to make the puncture-mending agent that possesses above-mentioned all characteristics.
In the characteristic of described (1)～(4), most important characteristic is a toolability.In recent years, for improving this toolability, begin to adopt the puncture-mending agent that contains fiber.
But the puncture-mending agent that adds fiber also is difficult to make each characteristic to obtain sufficient balance.That is, viscosity is increased, cause easy injection significantly to descend because contain a large amount of fibers.
In a word, even contain the puncture-mending agent of fiber, also fully do not establish the proportioning of additive.
Hence one can see that, and purpose of the present invention is for solving the problem of above-mentioned present existence.That is, purpose of the present invention is for providing a kind of high toolability, puncture-mending agent that practicality is good kept.
Summary of the invention
The inventor etc. have carried out deep research for achieving the above object, and found that by following the present invention to realize this purpose.
That is, the present invention is a kind of puncture-mending agent that is used to repair the hole that is pierced tire, it is characterized by and contains following substances:
(1) be selected from any one or more rubber latex in SBR latex, NBR latex, MBR latex, carboxy-modified SBR latex, the carboxy-modified NBR latex,
(2) frostproofer,
(3) staple fibre and be fit at least a in the resene tackiness agent of above-mentioned rubber latex.
In addition, puncture-mending agent of the present invention preferably adopts any one or more the scheme in following the 1st～11st kind of scheme:
(1) the 1st kind of scheme is for adding the state of above-mentioned resene tackiness agent with the aqueous emulsion of the aqueous dispersant of above-mentioned rubber latex or above-mentioned rubber latex;
The content that (2) the 2nd kinds of schemes are above-mentioned resene tackiness agent is 3～30 quality %;
The content that (3) the 3rd kinds of schemes are solids component is 5～70 quality %;
The content that (4) the 4th kinds of schemes are above-mentioned frostproofer is 5～50 quality %;
Before the tire filling, the viscosity in 60 ℃～-20 ℃ scopes is 3mPas～6000mPas at least for (5) the 5th kinds of schemes;
The content that (6) the 6th kinds of schemes are above-mentioned staple fibre is 0.1～5 quality %;
The length (L) that (7) the 7th kinds of schemes are above-mentioned staple fibre, diameter (D) are respectively in following ranges:
Length (L): 0.05≤L≤10mm, diameter (D): 1≤D≤100 μ m;
The length (L) that (8) the 8th kinds of schemes are above-mentioned staple fibre and the ratio (L/D) of diameter (D) are in the scope of 5≤L/D≤2000;
The proportion (S) that (9) the 9th kinds of schemes are above-mentioned staple fibre is in the scope of 0.8≤S≤1.4;
(10) the 10th kinds of schemes are the whole of above-mentioned staple fibre or the process of a part wherein solvent treatment;
(11) the 11st kinds of schemes are that above-mentioned staple fibre is selected from following any material: polyester, polyethylene, nylon, polypropylene, and above-mentioned substance in the mixture that forms more than 2 kinds or 2 kinds.
Description of drawings
Fig. 1 illustrates the sketch that is used in the embodiment of the present invention in one of repairing pumping installation of tire filling puncture-mending agent example.
Fig. 2 A and Fig. 2 B are the sketch that is used in the embodiment of the present invention at other example of the repairing pumping installation of tire filling puncture-mending agent.
Embodiment
Puncture-mending agent of the present invention is a kind of puncture-mending agent that is used to repair the hole that is pierced tire, it is characterized by and contains following substances:
(1) is selected from any one or more rubber latex (being designated hereinafter simply as " rubber latex ") in SBR latex, NBR latex, carboxy-modified SBR latex, the carboxy-modified NBR latex, (2) frostproofer, and (3) staple fibre or be fit at least a in the resene tackiness agent of above-mentioned rubber latex.
Below, above-mentioned each composition and the additive that can suitably add are described.
(resene tackiness agent)
The resene tackiness agent uses the material that is fit to described rubber latex.Can use butyl type rubber materials such as terpine resins such as terpene phenolic resin or polyisobutene resin as this resene tackiness agent.
Herein, the resene tackiness agent of " being fit to " rubber latex refers to that the resene tackiness agent can not make rubber latex that any solidifying taken place, and the resene tackiness agent that uses can improve the bounding force of rubber latex to tire.For example can in elastomerics, add resin as rubber tunicle tackiness imparting agent.
Puncture-mending agent of the present invention uses specific rubber latex, do not contain natural rubber in this rubber latex, therefore even the tire mistiming that pierces through in repairing is located puncture-mending agent attached to operator's hand, face etc., or the operator has sucked the puncture-mending agent that disperses jointly with gas, also needn't worry to take place the Health cost that anaphylaxis causes, the operator can carry out the operation of full capping safely.In addition, do not cause composition hypersensitive, so the operator can carry out the operation of full capping safely because also do not contain in the resene tackiness agent.
In addition, in the puncture-mending agent of the present invention, even in rubber latex, add reagent as the generation irritating smells such as ammonia of pH regulator agent, still can obtain sufficient stability, therefore the strong impulse smell that puncture-mending agent distributes can not appear when the position is pierced through in repairing, when improving operator's operating environment, can prevent that also irritating smell is to health affected.
In addition, wait the result of the comparison test carry out according to inventor, puncture-mending agent of the present invention is identical with the puncture-mending agent that only contains the rubber latex that is made of natural rubber, under high temperature and the cold condition or under the wet condition, also can bring into play piercing through the good repairing performance of tire.
Terpene phenolic resin can use α-Pai Xi resol, kautschin resol, terpenes bisphenol resin or their hydrogenated products etc.In addition, also can use commercially available product.
The content of resene tackiness agent is preferably in the scope of 3～30 quality %, more preferably in the scope of 5～25 quality %, further preferably in the scope of 7～20 quality %.In the time of in the scope of 3～30 quality %, can in practicality, bring into play good repairing performance.
Consider that from improving toolability the resene tackiness agent preferably adds with the state of the aqueous emulsion of the aqueous dispersant of above-mentioned rubber latex or above-mentioned rubber latex.
(staple fibre)
Staple fibre enters the tire hole (fault location) that pierces through formation and stops up, and has the effect that described hole is also positively blocked rapidly.The content of puncture-mending agent middle short fiber is preferably 0.1 quality %～5 quality %.
During less than 0.1 quality %, can not give full play to and add the toolability that staple fibre obtains.And when surpassing 5 quality %, staple fibre tangles, and the viscosity increase descends easy injection, is difficult to give full play to above-mentioned functions simultaneously, so causes toolability also to reduce.
The content of staple fibre is preferably 0.3～4 quality %, more preferably 0.5～3 quality %.
For giving full play to above-described function, be necessary staple fibre is carried out various designs.Therefore, the proportion of staple fibre (S), length (L), diameter (D), and length and diameter ratio (L/D) preferred respectively in following scope:
(1) proportion (S): 0.8≤S≤1.4 (more preferably 0.9≤S≤1.3, more preferably 1.0≤S≤1.2).
During proportion less than 0.8, the staple fibre come-up reduces secular segregational stability, surpasses 1.4 o'clock staple fibres and secular segregational stability is reduced sinking.
(2) length (L): 0.05≤L≤10mm (0.08≤L≤8mm more preferably, more preferably 0.1≤L≤6mm).
During curtailment 0.05mm, can not give full play to the staple fibre obstruction and pierce through the effect of the rejected region of formation with the raising toolability, the relative populations of staple fibre reduces when surpassing 10mm, and toolability is descended.
(3) diameter (D): 1≤D≤100 μ m (more preferably 3≤D≤80 μ m, more preferably 5≤D≤50 μ m).
During diameter (thickness) less than 1 μ m, can not give full play to staple fibre and stop up above-mentioned hole to improve the function of toolability, the minimizing of the relative populations of staple fibre descends toolability when surpassing 100 μ m.
(4) length and diameter ratio (L/D): 5≤L/D≤2000 (more preferably 20≤L/D≤1600, more preferably 50≤L/D≤1200 especially are preferably 100≤L/D≤300).
During L/D less than 5, can not give full play to staple fibre and stop up above-mentioned hole to improve the function of toolability, surpass at 2000 o'clock, staple fibre entanglement balling-up reduces toolability and easy injection.
In addition, staple fibre can be made definite shape with the material that is made of a kind of material and uses.Also the material that is made of the various material in described scope can be made different shapes uses.
The material of staple fibre is not particularly limited, but preferably by polyester, polyethylene, nylon, polypropylene, and constitute by in the mixture that material forms more than 2 kinds or 2 kinds wherein any, be more preferably by polyethylene, nylon, polypropylene, reach by in the mixture more than 2 kinds or 2 kinds wherein any and constitute.By using staple fibre, can obtain good segregational stability.
Whole or the part wherein of staple fibre (being preferably all) is preferably handled through higher alcohols derivative and/or betaines promoting agent equal solvent in advance.Handle by this type of, solvent is brought into play the effect of activator, can improve the dispersiveness of staple fibre.
This processing is carried out all can before or after in being added to puncture-mending agent.As treatment process, above-mentioned staple fibre can be contained and be dipped in the above-mentioned solvent, or the above-mentioned solvent of jetting.The preferred polyoxyethylene glycol kind polyester of higher alcohols derivative etc.
As the addition of solvent (be absorbed in through above-mentioned processing in the staple fibre amount), be preferably 0.2～20 quality % of staple fibre quality, more preferably 0.5～10 quality %, more preferably 1～6 quality %.When addition is very few, can not obtain to disperse fully the effect of staple fibre, make this processing insufficient, and can not expect to obtain to surpass the raising effect of above-mentioned dispersion effect too much the time.
(rubber latex)
From guaranteeing the viewpoint of good toolability, as mentioned above, rubber latex is to be selected from the following substances any one or more: SBR (styrene butadiene rubbers) latex, NBR (paracril) latex, MBR (acrylic rubber) latex, carboxy-modified NBR latex, carboxy-modified SBR latex.
(frostproofer)
Frostproofer is not particularly limited, and can make spent glycol, propylene glycol etc.The content of frostproofer is preferably 5～50 quality %.During less than 5 quality %, can not obtain sufficient low temperature resistance to frost, when surpassing 50 quality %, the content of glycols increases with respect to the content of rubber latex, and therefore when the position was pierced through in repairing, agglutinative rubber latex particle existed with dispersion state in glycol.Therefore, can't obtain sufficient toolability.The content of frostproofer is preferably 10～40 quality %.
For above-mentioned puncture-mending agent, the content of the solids component in this puncture-mending agent (hereinafter referred to as " solids component ") is preferably 5～70 quality %.
" content of solids component " can following method try to achieve.At first, the 100g puncture-mending agent was placed 30 minutes down at 200 ℃.Measure the quality of placing the back residual component then, try to achieve " content of solids component " divided by the quality (quality of the puncture-mending agent before the quality/placement of residual component) of puncture-mending agent with the quality of this residual component.
Solids component contain quantity not sufficient 5 quality % the time, the ratio of rubber latex reduces, and can not guarantee sufficient toolability.And when surpassing 70 quality %, can not fully guarantee the characteristic beyond the toolability.
The upper limit of the solid component content in the above-mentioned scope is 60 quality % more preferably, and more preferably 50 quality % especially are preferably 40 quality %.In addition, more preferably 8 quality %, more preferably 10 quality % of the lower limit of the solid component content in the above-mentioned scope.
In addition, the viscosity of puncture-mending agent, as the condition of actual service conditions supposition (at least before the tire filling, scope at 60 ℃～-30 ℃) under, be preferably 3～6000mPas, more preferably 5～4500mPas, more preferably 8～3000mPas, especially be preferably 10～3000mPas, most preferably be 15～1500mPas.
During deficiency 3mPas, viscosity is low excessively, when injecting inflating valve leakage will take place.When surpassing 6000mPas, the resistance grow during injection reduces easy injection, and, also insufficient to the diffusion of tire inner surface, can't obtain high toolability.In addition, this viscosity can be measured by Brookfield viscometer etc.And, when hope increases viscosity, can add tackifier, when hope reduces viscosity, reduce the latex composition and increase the content of water, with this with this viscosity controller in the scope of expectation.
Can contain in the puncture-mending agent of the present invention and be useful on the water of adjusting viscosity or diluting.Also can further add pH regulator agent such as common dispersion agent, emulsifying agent, foaming stabiliser or sodium hydroxide in the puncture-mending agent.
Puncture-mending agent of the present invention even do not add the reagent that sends irritating smell as the ammonia of pH regulator agent etc. in rubber latex, still can obtain sufficient stability.
For repairing and positively block big hole rapidly, also can in puncture-mending agent, mix the weighting material more than a kind or a kind.The powdered rubber that stable weighting material can adopt vulcanizates such as having carried out the synthetic resins of enhancement process, polystyrene particle, tire through for example silicic acid, chalk, carbon black, glass fibre to pulverize to obtain, sawdust, moss rubber particle, cut-flower are with expanded particle etc.Wherein especially preferred weighting material is with silicic acid bonded rubber powder, reaches through glass fibre enhanced synthetic resins.
Above-mentioned weighting material can be added directly in the puncture-mending agent.But, only in the size of weighting material for cannot or hardly import by inflating valve under the situation of puncture-mending agent under the situation that does not change the inflating valve size, when being installed in tire on the wheel rim, described weighting material is imported inside tires, when tire is pierced, finish repairing by injecting puncture-mending agent.
Above-mentioned weighting material adds 20～200g/ liter approximately in puncture-mending agent, more preferably add 60～100g/ liter, or is disposed at inside tires when being installed in tire on the wheel rim.
On the other hand, liquid component can use the resene tackiness agent with dispersion agent or emulsifying agent, preferably adds water, or uses aqueous resene tackiness agent as required.
Puncture-mending agent can adopt known method that operations such as described material mixes are made.In addition, for avoiding phenomenons such as oxidation, the manufacturing of puncture-mending agent, preservation, filling are preferably carried out under the environment of nitrogen or rare gas element.
Pierce through the method at position as adopting above-mentioned puncture-mending agent to repair, can use known method.That is, at first with filling the container of puncture-mending agent insert in the tyre valve mouth an amount of the injection.Rotating tire's makes puncture-mending agent can be distributed in tire inner surface and repairs hole then.
This type of puncture-mending agent can use various pumping installation, and for example the spray tank with the propane butane mixed gas that contains the gas that acts as a fuel expands tire its importing inside tires again, but more preferably uses pumping installation shown in Figure 1 20.
In pumping installation shown in Figure 1 20, use mini air compressor 1 as above-mentioned pressure source.This air compressor 1 is connected on the gas introduction part 3 of pressure vessel 4 by pipeline 2.Above-mentioned gas introduction part 3 can be closed by bolt valve 5, and forms upcast, and this upcast extends to more than the liquid level that is contained in the puncture-mending agent 6 in the pressure vessel 4.
In addition, pressure vessel 4 has the outlet valve 7 that is used to take out puncture-mending agent 6, and this outlet valve 7 links to each other with an end of pipeline 8, simultaneously the other end of this pipeline 8 be connected be screwed on the tyre valve 10 screwed union 9.
Be connected with cable 13 on the above-mentioned air compressor 1, its plug 14 for example can insert in the Der zigarrenanzunder.
When tire is pierced, above-mentioned screwed union 9 is screwed on the tyre valve 10, and air compressor 1 is connected on the Der zigarrenanzunder, simultaneously the above-mentioned bolt valve 5 of the gas introduction part 3 of pressure vessel 4 is opened.Then, pressurized air is imported pressure vessel 4 from air compressor 1 through gas introduction part 3, the pressurized air of importing extrudes puncture-mending agent 6 from outlet valve 7, imports inside tires through tyre valve 10.Then, air filling inside tires once more makes tire depress expansion in specific.Behind this end of processing, back out screwed union 9, stop air compressor 1 from tyre valve 10.Carry out travelling in advance of certain distance then immediately, after puncture-mending agent 6 intersperses among inside tires and will pierce through hole repair, connect pumping installation 20 once more, tire is inflated to once more the interior pressure of requirement.
In addition, puncture-mending agent of the present invention more preferably uses the pumping installation 30 shown in Fig. 2 A, the B.Need to prove that in the pumping installation shown in Fig. 2 A, the B, the part identical with pumping installation shown in Figure 1 20 is with the prosign mark and omit its explanation.
This pumping installation 30 possess the resin system bottle 22 shown in Fig. 2 A as the accommodating container of puncture-mending agent 6, and Fig. 2 B shown in the air compressor 1 as pressure source.Accommodate in the bottle 22 to repair and pierce through required puncture-mending agent 61 time.The front end place of bottle 22 links to each other with the pipeline 24 that disposes joint 26.And the fore-end of the pipeline 2 that links to each other with air compressor 1 also disposes joint 9.If but bottle 22 pipeline 24 be can with tyre valve 26 direct-connected structures, also can omit joint 9.
When piercing through, the joint 26 of bottle 22 is screwed on the tyre valve 10.With this, link to each other with inside tires by pipeline 24 and joint 26.Under this state, the operator shown in 2 long and short dash line (imaginary line) among Fig. 2 A, hold bottle 22 firmly extruding puncture-mending agent 6 is extruded from bottle 22, thereby make puncture-mending agent 6 by in the pipeline 24 injection tires.
After from bottle 22 puncture-mending agent 6 being injected the EO of inside tires, the operator takes off joint 26 from tyre valve 10, and bottle 22 is separated with tire.
Then, the operator is screwed in tyre valve 10 places with the joint 9 of air compressor 1, and air compressor 1 is communicated with inside tires by joint 9 and pipeline 2.Under this state, the operator starts air compressor 1 that forced air is recharged in inside tires, makes tire depress expansion in specific.Behind this end of processing, the operator takes off joint 9 from tyre valve 10, and stops air compressor 1.Carry out travelling in advance of certain distance then immediately, after puncture-mending agent 6 interspersed among inside tires and will pierce through hole repair, the operator connected the air compressor 1 of pumping installation 30 once more, tire is inflated to once more the interior pressure of requirement.
[embodiment]
Below, be described more specifically the present invention by embodiment, but the present invention is not limited to these embodiment.
(embodiment 1～3 and comparative example 1～3)
NBR latex (Japanese Zeon system, Nipole) in, mix the material shown in the following table 1, the puncture-mending agent in preparation embodiment 1～3 and the comparative example 1～3.
In addition, as staple fibre, the diameter of the nylon system staple fibre of proportion 1.14 is 15 μ m, and long is 4mm.In addition, the viscosity of the puncture-mending agent of measuring with Brookfield viscometer (60 ℃～-20 ℃ scope in viscosity) is all in the scope of 3mPas～6000mPas.
(embodiment 4)
In the NBR rubber latex, mix before the staple fibre, with adopt the higher alcohols derivative (bright one-tenth chemistry system: solvent Emulon) is handled, in addition, with the method identical, the puncture-mending agent of preparation embodiment 4 with embodiment 1.The viscosity of puncture-mending agent (60 ℃～-20 ℃ viscosity that scope is interior) is all in the scope of 3mPas～6000mPas.
Adopt the processing of above-mentioned solvent to carry out according to the following description.That is, at first prepare the aqueous solution that contains higher alcohols derivative (solvent).Then staple fibre is contained and be dipped in the aqueous solution for preparing, making above-mentioned solvent phase is 3 mass parts for 100 mass parts staple fibres, carries out this processing.
(embodiment 5)
Except containing terpene phenolic resin (YASUHARAChemical society system, YS Polystar as the resene tackiness agent.Content in the puncture-mending agent is: 5 quality %) replacing staple fibre, and beyond 5 quality % in the 12 quality % water are replaced with this resin, prepare puncture-mending agent with the method identical with embodiment 1.The viscosity of puncture-mending agent (60 ℃～-20 ℃ viscosity that scope is interior) is all in the scope of 3mPas～6000mPas.
(embodiment 6)
5 quality %), and beyond 5 quality % in the 12 quality % water are replaced with this resin (content in the puncture-mending agent is:, prepare puncture-mending agent with the method identical with embodiment 1 except containing above-mentioned terpene phenolic resin as the resene tackiness agent.The viscosity of puncture-mending agent (60 ℃～-20 ℃ viscosity that scope is interior) is all in the scope of 3mPas～6000mPas.
Get the puncture-mending agent of preparation in 100g embodiment 1～6 and the comparative example 1～3, it was placed 30 minutes down at 200 ℃, the quality after placing according to it is calculated its solid component content.Each routine solid component content provides in following table 1.In addition, if nothing is dated especially, unit all represents quality % in the table 1.
Table 1
| The NBR rubber latex | Ethylene glycol | Water | Nylon system staple fibre | Additive ※ | Solids component | |
| Embodiment 1 | 55 | 30 | 12 | 2 | Some amounts (surplus) | 35 |
| |
55 | 30 | 12 | 0.12 | Some amounts (surplus) | 33 |
| |
55 | 30 | 12 | 4.98 | Some amounts (surplus) | 38 |
| |
55 | 30 | 12 | 3 | Some amounts (surplus) | 35 |
| Embodiment 5 | 55 | 30 | 12 | - | Some amounts (surplus) | 33 |
| |
55 | 30 | 12 | 1 | Some amounts (surplus) | 35 |
| Comparative example 1 | 55 | 30 | 12 | - | Some amounts (surplus) | 32 |
| Comparative example 2 | 55 | 30 | 12 | 0.08 | Some amounts (surplus) | 32 |
| Comparative example 3 | 55 | 30 | 12 | 5.2 | Some amounts (surplus) | 38 |
※ additive ... defoamer, tackifier, pH regulator agent
Puncture-mending agent to preparation is pressed and stated bright the evaluation: (1) pierces through hole toolability, (2) easily injection, (3) freeze-proof, (4) segregational stability.
(1) pierce through toolability:
Get out the hole of φ 1.5mm at the tire tread ditch portion place of 1 tire, inject the puncture-mending agent for preparing, be installed on the car.Keep 1.3kgf/cm then
2(12.74 * 10
-4Pa) air pressure makes car travel with the speed of about 50km/h simultaneously, the time when the mensuration air leaking stops fully.
For the time of measuring, the time of finishing repairing when using the puncture-mending agent of comparative example 1 is 100, and the time when using the puncture-mending agent of embodiment 1～4 and comparative example 2,3 is (X), carries out exponentiate with X/ (time of comparative example 1) * 100, and they are made comparisons.The result is shown in the table 2.
(2) easy injection:
Use the syringe of 100ml, inject the puncture-mending agent of preparation from inflating valve.Time required when injecting with the puncture-mending agent that uses comparative example 1 is benchmark, this injection length ± 20% in the time be judged to be " qualified ".The result provides in following table 2.
(3) freeze-proof:
The puncture-mending agent of preparation was preserved 3 hours down in-30 ℃.Have or not with the visual assessment puncture-mending agent and to freeze, be judged to be " qualified " when not freezing.The result provides in following table 2.
(4) segregational stability
The puncture-mending agent of preparation was placed 1 month down at 60 ℃.Whether separate with the visual assessment puncture-mending agent, be judged to be " qualified " when not separating.The result provides in following table 2.
Table 2
| Toolability | Easy injection | Freeze-proof | Segregational stability | |
| Embodiment 1 | 28 | Qualified | Qualified | |
| Embodiment | ||||
| 2 | 32 | Qualified | Qualified | |
| Embodiment | ||||
| 3 | 26 | Qualified | Qualified | |
| Embodiment | ||||
| 4 | 27 | Qualified | Qualified | Qualified |
| Embodiment 5 | 47 | Qualified | Qualified | |
| Embodiment | ||||
| 6 | 24 | Qualified | Qualified | Qualified |
| Comparative example 1 | 100 | - | Qualified | Qualified |
| Comparative example 2 | 100 | Qualified | Qualified | Qualified |
| Comparative example 3 | 25 | Defective | Qualified | Qualified |
Result by table 2 has improved toolability because of containing staple fibre among the embodiment 1～6 as can be known.In addition,, can keep high toolability, can obtain simultaneously and same good easy injection, freeze-proof and the segregational stability of the product that uses at present by the content of solids component and the content of staple fibre are controlled in the specific scope.This presentation of results, puncture-mending agent of the present invention has good practicality.
Industrial applicability
Hence one can see that, utilizes mending agent of the present invention, can keep high repairing performance, and bring into play good practicality. Therefore mending agent of the present invention is applicable to the position of piercing through of repairing various inflatable tires. Such as enumerating vehicle tyre that uses in automobile tire, cart tire, wheelbarrow tire, tire for wheel chair, ploughing work or the flower garden operation etc.
Claims (10)
1. a puncture-mending agent is the puncture-mending agent that is used to repair the tire hole that pierces through, and it is characterized by and contains following substances:
(1) be selected from any one or more rubber latex in SBR latex, NBR latex, MBR latex, carboxy-modified SBR latex, the carboxy-modified NBR latex, and
(2) frostproofer,
(3) staple fibre and be fit at least a in the resene tackiness agent of described rubber latex,
Described puncture-mending agent does not contain swelling agent and whipping agent, at least before the tire filling, the viscosity of described puncture-mending agent in 60 ℃～-30 ℃ scopes is 3mPas～6000mPas, wherein the content of solids component is 5～70 quality %, the content of described resene tackiness agent is 3～30 quality %, and the content of described frostproofer is 5～50 quality %.
2. puncture-mending agent as claimed in claim 1 is characterized by, and described resene tackiness agent adds with the state of the aqueous emulsion of the aqueous dispersant of described rubber latex or described rubber latex.
3. puncture-mending agent as claimed in claim 1 or 2 is characterized by, and the content of described staple fibre is 0.1～5 quality %.
4. puncture-mending agent as claimed in claim 1 or 2 is characterized by, and the length of described staple fibre (L), diameter (D) are in respectively in the following scope:
Length (L): 0.05≤L≤10mm,
Diameter (D): 1≤D≤100 μ m.
5. puncture-mending agent as claimed in claim 1 or 2 is characterized by, and the ratio (L/D) of length of described staple fibre (L) and diameter (D) is in the scope of 5≤L/D≤2000.
6. puncture-mending agent as claimed in claim 1 or 2 is characterized by, and the proportion of described staple fibre (S) is in the scope of 0.8≤S≤1.4.
7. puncture-mending agent as claimed in claim 1 or 2 is characterized by, and the whole or part wherein of described staple fibre is through solvent treatment.
8. puncture-mending agent as claimed in claim 1 or 2 is characterized by, and described staple fibre is following any material: the mixture that forms more than 2 kinds or 2 kinds in polyester, polyethylene, nylon, polypropylene or these materials.
9. a puncture-mending agent is the puncture-mending agent that is used to repair the tire hole that pierces through, and it is characterized by and contains following substances:
(1) be selected from any one or more rubber latex in SBR latex, NBR latex, MBR latex, carboxy-modified SBR latex, the carboxy-modified NBR latex, and
(2) frostproofer,
(3) staple fibre of all or part of at least a processing in higher alcohols derivative and betaines promoting agent.
10. a puncture-mending agent is the puncture-mending agent that is used to repair the tire hole that pierces through, and it is characterized by and contains following substances:
(1) be selected from any one or more rubber latex in SBR latex, NBR latex, MBR latex, carboxy-modified SBR latex, the carboxy-modified NBR latex, and
(2) frostproofer,
(3) staple fibre of all or part of at least a processing in higher alcohols derivative and betaines promoting agent,
(4) the resene tackiness agent of suitable described rubber latex.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP343809/2002 | 2002-11-27 | ||
| JP2002343809 | 2002-11-27 | ||
| JP135553/2003 | 2003-05-14 | ||
| JP150884/2003 | 2003-05-28 | ||
| JP345603/2003 | 2003-10-03 | ||
| JP370012/2003 | 2003-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1717465A CN1717465A (en) | 2006-01-04 |
| CN100379834C true CN100379834C (en) | 2008-04-09 |
Family
ID=35822537
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801042139A Expired - Lifetime CN100379834C (en) | 2002-11-27 | 2003-11-25 | Puncture sealing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100379834C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI408214B (en) * | 2010-11-08 | 2013-09-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7960448B2 (en) * | 2006-09-13 | 2011-06-14 | Bridgestone Corporation | Method for producing puncture sealant |
| JP2008127463A (en) * | 2006-11-21 | 2008-06-05 | Bridgestone Corp | Method for producing sealing agent |
| ITTO20080120A1 (en) * | 2008-02-18 | 2009-08-19 | Tek Global Srl | SEALANT COMPOSITION FOR REPAIRING TIRES |
| JP5538703B2 (en) * | 2008-10-24 | 2014-07-02 | 株式会社ブリヂストン | Method for producing puncture sealant |
| JP5476351B2 (en) * | 2011-09-28 | 2014-04-23 | 住友ゴム工業株式会社 | Cap unit for puncture repair |
| JP5476352B2 (en) * | 2011-09-30 | 2014-04-23 | 住友ゴム工業株式会社 | Cap unit for puncture repair |
| JP5568101B2 (en) * | 2012-02-03 | 2014-08-06 | 住友ゴム工業株式会社 | Integrated puncture repair kit |
| CN103374329A (en) * | 2012-04-28 | 2013-10-30 | 佛山市科的气体化工有限公司 | Tire inflation leak-repairing agent |
| JP5391313B1 (en) * | 2012-06-27 | 2014-01-15 | 住友ゴム工業株式会社 | Puncture sealant |
| CN102746544B (en) * | 2012-07-26 | 2013-12-18 | 保每驰（安徽）防爆胶有限公司 | Preparation method of tire explosion-proof self-repairing glue and tire explosion-proof self-repairing glue |
| JP6382793B2 (en) | 2013-03-14 | 2018-08-29 | 株式会社ブリヂストン | Method for producing rubber composition |
| CN107955228A (en) * | 2017-12-16 | 2018-04-24 | 长沙无道工业设计有限公司 | A kind of mending agent and preparation method thereof |
| CN110283555A (en) * | 2019-07-01 | 2019-09-27 | 广州驾车保科技有限公司 | A kind of explosion-proof flame-retardant type tire repair liquid resistant to high temperature and preparation method thereof |
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| JPH1017851A (en) * | 1996-07-03 | 1998-01-20 | Three Bond Co Ltd | Tire puncture preventive |
| JP2001062934A (en) * | 1999-08-31 | 2001-03-13 | Yokohama Rubber Co Ltd:The | Flat tire repairing agent |
| JP2001198986A (en) * | 2000-01-17 | 2001-07-24 | Sumitomo Rubber Ind Ltd | Puncture sealing agent for tire |
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| US4501825A (en) * | 1984-06-28 | 1985-02-26 | Pennzoil Company | Tire sealer and inflator |
| JPH1017851A (en) * | 1996-07-03 | 1998-01-20 | Three Bond Co Ltd | Tire puncture preventive |
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| TWI408214B (en) * | 2010-11-08 | 2013-09-11 |
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| CN1717465A (en) | 2006-01-04 |
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Effective date of registration: 20220414 Address after: Osaka, Japan Patentee after: Kakuichi Chemical Co.,Ltd. Address before: Tokyo, Japan Patentee before: BRIDGESTONE Co.,Ltd. |
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