CN103101401A - Safe anti-pricking tire and production method thereof - Google Patents
Safe anti-pricking tire and production method thereof Download PDFInfo
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- CN103101401A CN103101401A CN 201310039620 CN201310039620A CN103101401A CN 103101401 A CN103101401 A CN 103101401A CN 201310039620 CN201310039620 CN 201310039620 CN 201310039620 A CN201310039620 A CN 201310039620A CN 103101401 A CN103101401 A CN 103101401A
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Abstract
The invention discloses a safe anti-pricking tire and a production method thereof. A repairing glue layer is formed on the inner edge face of the tire under the centrifugal effect by uniformly coating poly urethane prepared by reacting a mixture of isocyanate prepolymer and polyhydric alcohol, so that the safe anti-pricking tire is manufactured. When the part of the tire, which is next to the ground surface, is pricked by a sharp object, the safe anti-pricking tire has the effect of preventing gas from continuous leakage. Meanwhile, the pricked part of the tire is instantly and automatically repaired, so that the vehicle security in a driving process can be enhanced, and the safe driving is realized. The safe anti-pricking tire can provide safety guarantee for driving people inside a vehicle and vehicle safety.
Description
Technical field
The present invention relates to a kind of tire, relate to specifically a kind of safety puncture preventing tyre and preparation method thereof.
Background technology
In the Vehicle Driving Cycle process, highway pavement often has the sharp objects such as drawing pin, bushel iron bits, cullet slag, rubble, bring when driving potential safety hazard for vehicle, particularly vehicle is crossed in car at highway driving, if when tire stabs sharp objects such as arriving iron nail, bushel iron bits, cullet slag, the instantaneous pressure release of tire meeting, even blow out, so cause inclination of vehicle, navigating mate is difficult to control vehicle, even can accident, consequence is with hardly imaginable.
Even at non-power-driven vehicles such as the Electrical Bicycle of average highway low speed driving, self-moving vehicles, after tire is exposed by sharp object, also need to repair, sometimes need to carry out very long distance, can find maintenance store to place under repair, the consumption of temporal delay and physical efficiency obviously affects work and mood.
And the inner tube of a tyre Rapid-Repair liquid of selling in the market, to use certain hour, or run into high temperature low temperature, bonding comes off occurring or coheres the bad phenomenon of effect, causes again keeping in repair.
Present stage solves the anti-stamp measure of tire, and following a few class is arranged nothing more than:
One, adopt eel backgear tire, it is stack one deck ring change shape rubber spine and consisting of on the old-fashioned tire of tradition basis, the ring-shaped rubber spine of stack, section is isosceles trapezoid or approximate isosceles trapezoid, this processing technology is not only complicated, and the ring-shaped rubber spine thickness of stack is limited after all, and is also limited to the effect of anti-stamp, and increased material cost.
Two, adopt without aerated solid tyre, its primary raw material is that natural rubber or neoprene form, compare with traditional air-inflation tyre, the band tyre major defect is to utilize the elasticity of rubber tyre body weaken and absorb the impact of bearing in the Vehicle Driving Cycle process, thus cushion characteristic a little less than, fragile vehicle and Dead Weight Cargo, can not use on the rapid transit vehicle, tire high-speed operation rubber easily generates heat simultaneously, causes wear on tyres larger, reduces the service life of tire.
Chinese patent 102660223A discloses a kind of Automatic-inflating tyre repair liquid that has, a kind of tire sealant that is applied to the motor tire inner tube of a tyre particularly, component by following parts by weight proportioning is made: 20～28 parts of glass fibers, 20～22 parts of nitrile rubber particles, 10～20 parts of propylene glycol, 40～50 parts of ethylene glycols, recoverable leak diameter is large, automatically repair the tire puncture of maximum gauge 30mm, can apply to the mechanical car of complex road condition operation, prevent from leaking gas slowly, but the gap between automatic-sealed tire and wheel hub, the time of guaranteeing the quality is long, recoverable.
Chinese patent 92221556.1 discloses a kind of bicycle, motor bike and motor tire with outstanding spine---eel backgear tire, it is take traditional old-fashioned tire as the basis, be superimposed with one deck ring-shaped rubber spine at the tire outer fringe surface, the high material thin-layer of the inner buried intensity ratio rubber of ring-shaped rubber spine, the section of spine is approximate isosceles trapezoid.
Chinese patent 93226547.2 discloses a kind of cover tire that high-strength abrasion-proof rubber is made that has, there is a raised line in central authorities in cover tire and ground contact portion, the raised line height is 4～6mm, and recessed gripping pattern is arranged on raised line, and the degree of depth of gripping pattern is identical with the height of raised line.Because cover tire contacts with ground by raised line, the thickness at raised line place is large than other position thickness, is difficult for being exposed by the sharp object on the road surface and has advantages of wear-resisting anti-stamp.
Chinese patent 93226786.6 discloses a kind of anti-stamp tire with various power actuated vehicles and various non-power-driven vehicles, it comprises a cover tire, an anti-stamp layer is arranged on the cover tire inwall, can prevent that sharp object on the road surface from exposing cover tire and causing gas leakage, improve Using Life of Tyre, anti-stamp layer also plays the cushion layer effect, improve cover tire inner chamber circularity, increase the inflation dynamics, strengthen the tire bearing capacity, but its complex manufacturing technology.
Chinese patent 200420110272.9 discloses a kind of anti-stamp tire that has; should be formed by the inner tube of a tyre, cover tire and anti-stamp band by anti-stamp tire; interlayer at the inner tube of a tyre and cover tire inserts an anti-stamp band; the thickness of anti-stamp band is between 0.2～3mm; can be made by metal, plastics, foam; should can there be one or more layers to consist of by anti-stamp band, do not exposed by the sharp object on road surface to play the protection inner tube of a tyre.
Chinese patent 96222001.9 discloses a kind of cellular safety puncture preventing lining ring that has.Its width can be according to the setting of classifying of the width of the tire of various vehicles, its thickness can be according to the actual demand of various vehicles, from 10mm～50mm setting of classifying, need not to change shape and the structure of the tire of vehicle, only need change slightly that the girth of inflatable inner tube gets final product, the safety puncture preventing lining ring is positioned at the interlayer of cover tire and the inner tube of a tyre.
In above disclosed patented technology, although improve to a certain extent the anti-stamp of tire effect, improve traffic safety, also had certain deficiency:
(1) Automatic-inflating tyre repair liquid: a kind of tire sealant that is applied to the motor tire inner tube of a tyre particularly, be mainly used in the motor tire inner tube of a tyre, and at first the sharp objects such as the iron nail on highway pavement, bushel iron bits, cullet slag, rubble can thrust Outer Tyre, and then enter the inner tube of a tyre, this technical scheme also is unfavorable for the pressurize effect after cover tire is pierced simultaneously ageing slower.
(2) insert anti-stamp band or anti-stamp lining ring between cover tire and the inner tube of a tyre: tire divides by purposes, roughly can be divided into 11 classes: namely: 1) passenger car tire; 2) light truck tire; 3) load-carrying and bus tyre; 4) off-the-road tyre; 5) cross-country vehicle tire; 6) agricultural and forestry machinery tire; 7) industrial tire; 8) aircraft tyre; 9) special vehicle tire; 10) motor cycle tire; 11) cycle tire.As seen make more than the kind of anti-stamp band or anti-stamp lining ring, the width of vehicle is a variety of in addition simultaneously, thus make anti-stamp band or anti-stamp lining ring not only needs a lot of moulds, and the wearing and tearing of mould and maintenance cost higher.
(3) there is a raised line in the central authorities of cover tire and ground contact portion: like this, cover tire just contact with ground by this raised line, and the place is large than other position thickness of cover tire due to raised line, is exposed by sharp object on the road surface with regard to difficult, thereby reaches the purpose of wear-resisting anti-stamp.But this tire is only applicable to portable bicycle and the motor bike of rickshaw, 26 inch tires.Do not relate to other tires such as car, light truck tire, simultaneously, raised line is limited because of the bearing capacity that bears, and this designs also the also heavier power actuated vehicle of inapplicable deadweight, therefore the scope of using not is very wide.
In addition, in above-mentioned disclosed patented technology, main by insert anti-stamp band or anti-stamp lining ring between cover tire and the inner tube of a tyre, or there is a raised line technical scheme in the central authorities of cover tire and ground contact portion, more complicated in making need to design according to the size of measuring and calculating tire carcass, sidewall and tyre bead anti-stamp band or anti-stamp lining ring or raised line size again.
Summary of the invention
In order to overcome defects, the invention provides a kind of safety puncture preventing tyre and preparation method thereof, can make tire after being pierced through by hard sharp object, automatically repair, thereby the maintenance tire pressure reaches safe driving, and driver and crew in car and the safe safety control that provides of vehicle itself are provided.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of safety puncture preventing tyre, adhere to one deck repairing glue at the inner edge surface of described tire, and this repairing glue is the polyureas ester gum.
As a further improvement on the present invention, the thickness of described polyureas ester gum is 2-20mm.
The present invention also provides a kind of preparation method of above-mentioned safety puncture preventing tyre, comprises the following steps:
1. with tire inner edge surface wiped clean;
2. apply one deck polyureas ester gum on the tire inner edge surface;
3. tire is positioned on centrifuge and turns round;
4. take off tire, namely obtain the safety puncture preventing tyre that its inner rim face adheres to one deck repairing glue.
As a further improvement on the present invention, described polyureas ester gum (PU GEL) is made by isocyanates prepolymer (Polyisocyanate) and polyol blends (Polyether Blenging) reaction.
As a further improvement on the present invention, the described ratio of stating polyol blends and isocyanates prepolymer is 1:0.1～0.4.
As a further improvement on the present invention, described isocyanates prepolymer is diisocyanate.
As a further improvement on the present invention, described diisocyanate has two large classes, be respectively aromatic (Diphenylmethane-4,4 ' diisocyanate and composition thereof) with aliphatic isocyanates (Xylendiisocyanate-XDI, Tetramethylenexylene Diisocyanate-TMXDI, Isophorpne diisocyanate-IPDI, Hexamethylene diisocyanate-HDI).
As a further improvement on the present invention, described polyol blends is polyether glycol (polyether polyol) and polyester polyol (polyester polyol), and its 0-H value scope is between 20～60.
As a further improvement on the present invention, the rotating speed of described centrifuge is at 300～2000rpm/min, and its time of run is 3～15min, and the ambient temperature of work is 22～30 ℃.
As a further improvement on the present invention, the thickness of described polyureas ester gum is 2～20mm.
The invention has the beneficial effects as follows:
By forming adhering to of one deck repairing glue at coating one deck polyureas ester gum on the Outer Tyre inner edge surface and under by centrifugal effect at inner edge, this kind way is not only easy and simple to handle, and the repairing glue that adheres to (being the polyureas ester gum) stablize firm, bear the range of temperatures between-80 to+140 ℃, and can keep at this range of temperatures the degree of stability of physical property, therefore Applicable scope wide especially, have good service life.
With regard to application: the Chinese patent 93226786.6 of prior art invention prevent from the leaking gas aquaseal of use be applied to the tyre type of " having " inner tube of a tyre, and the present invention is the tyre type that only is applied to " nothing " inner tube of a tyre.
With regard to technological means, prior art invention with aquaseal first by funnel within tire tube valve is packed tire inner tube into, pass through centrifugal action; form even protective film; this kind technological means is made comparatively complicated, and can only be used for the making of new tyre, also is unfavorable for observing simultaneously the degree of uniformity of protective film.Under comparing, no matter new tyre or old tire as long as it may be with the tire of state, all can utilize maintenance agent of the present invention to be coated on the inner edge surface of this tire and give centrifugal forming, can obtain anti-stamp, automatically repair the tire of effect.
with regard to the anti-stab degree of depth, the Chinese patent 93226786.6 of prior art invention prevent from the leaking gas aquaseal of use, do not provide concrete numerical value, on the contrary tire puncture leak maximum gauge can reach 30mm, consult Patent data, No. the 580463rd, TaiWan, China patent, its aquaseal chamber in radial direction thickness at 1.2mm ± 0.3mm, namely between 0.9mm～1.5mm, yet, calculate that accordingly the aquaseal capacity that sealing agent chamber can be filled still belongs to limited, if when suffering the comparatively roomy sharp object of volume to thrust tire T, the damaged area that causes is relative also broader as successively or meet with simultaneously blade, nail thrusts, if meet again the unbearably attenuation of wearing and tearing already of the tyre surface of tire body, whether the aquaseal of its filling has enough capacity to provide is filled up, not without query, namely allow to provide supplementary function, the action effect of filling up that forms also must be limited, because this sharp object may directly injure lining 2L.But, this layer repairing glue of the present invention its to adhere to thickness be 2～20mm, only 2mm is just also thick than No. 580463 1.5mm the thickest of TaiWan, China patent, if the size that prior art is invented its whole lining 2L thickness is calculated three times that are at least sealing agent chamber 6, be namely 1.5mm*3=4.5mm, polyureas ester gum only of the present invention (tyre repairing glue) thickness can reach 20mm at most.
In a word, major advantage of the present invention is:
1., prepared repairing glue is coated on the tire inner edge surface with centrifugal forming, construction easily can obtain having the tire that prevents that tire assassination air pressure lost efficacy.
2., adhere in the tire inner edge surface repairing glue that thickness is 2～20mm, the thickest person of thickness of this repairing glue can be approximately 13 times of prior art, can obtain the more excellent effect of filling up and apply.
3., with centrifugation technique, repairing glue is coated on the tire inner edge surface equably, form the consistent repairing glue adhesion layer of thickness, make on tire everywhere anti-demand of losing heart all can take into account.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that tire of the present invention is stung the state structural representation;
Fig. 3 is that tyre repairing glue of the present invention is prevented the bleed structure schematic diagram.
By reference to the accompanying drawings, make the following instructions:
1---tire 11---inner edge surface
2---repairing glue 3---sharp object
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
The present invention is a kind of method that supplies the tire self-regeneration with the high molecular polymer sizing material and products thereof, please refer to Fig. 1, and the present invention is coated with repairing glue 2 on the inner edge surface 11 of tire 1.
Repairing glue 2 is to be elasticity and tool plastic material-polyureas ester gum (PU GEL), the polyureas ester gum is comprised of isocyanates prepolymer (Polyisocyanate) and polyol blends (Polyether Blending), be tool low-viscosity, the easy High molecular material that flows and easily process, its physical property is as shown in the table:
Table 1: the physical property of isocyanates prepolymer and polyol blends
with upper table two kind of component, take polyol blends as 100g, the isocyanates prepolymer that mixes 10g to 40g, mix with this ratio and get final product, and the repairing glue after gel 2, it can bear between-80 to+140 ℃, and can keep at this range of temperatures the degree of stability of physical property, and there is viscoelasticity in finished product, the blending ratio of the best of polyol blends noted earlier and isocyanates prepolymer is between 1:0.1～0.4, form the tool low-viscosity, easily flow and easily process and the elastomeric kenel of tool, only after application of stress or pressure, but deformation or mobile, therefore better effect is arranged.Secondly, test data such as the following table 2 of the processing characteristics of polyureas ester gum (PU GEL) formula and physical property:
Table 2: polyureas ester gum formula and physical property
The data sheet of the listed processing characteristics test of upper table 2, it shows that the present invention is in pulling force, elastic force, density etc. condition, the test of doing under different temperatures is all in range of stability, for example, the material of elastic elongation degree is 460%, even kept for 3 week under 70 ℃ of environment, its elastic elongation degree is still in this range of stability value of 460%, in like manner, kept for 3 week under 100 ℃ of environment, its elastic length is also in the range of stability value.
further illustrate again, see also Fig. 1, repairing glue 2 is coated the method for tire 1, its first inner edge surface 11 with cleaning agent wiping tire 1, by wiping greasy dirt away, effectively keep the area of contact of tire 11 and repairing glue 2, again tire 1 is placed on centrifuge, repairing glue 2 is coated on tire 1 inner edge surface 11 places, start the centrifuge (not shown) and make tire 1 running, rotating speed is 300～2000rpm/min approximately, approximately 3～15min turns round, and coating and operative condition are to carry out under 22 ℃～30 ℃ of room temperatures, allow repairing glue 2 receive 1 rotation of centrifuge tire on the drive wheels, make repairing glue 2 apply on the inner edge surface 11 of tire 1 under centrifugal action, taking off tire 1 by centrifuge after completing namely completes, form approximately 2～20mm of thickness that repairing glue 2 is coated on inner edge surface 11.
Because only need apply several millimeters, the enforcement function be can reach, but still performance and the function of tire 1 kept, the present invention can make tire 1 be hollow, can have better elasticity and a shock-proof effect good, therefore have progressive and generalization.
Therefore, evenly after coating, as Fig. 2, when the sharp object 3 such as nail penetrates tire 1 accidentally, repairing glue 2 turns round with car body constantly, during tire 1 running formed centnifugal force will whipping repairing glue 2 seepage flow to broken hole, the position that vehicle will automatically be rebuilded a tyre and be pierced after 1～2 week of travelling, the colloid stickiness of the repairing glue 2 that inner edge surface 11 is coated can closely coat sharp object 3 circumferences or approximate circumference side position, in order to fill up the space of inserting tire 1 all sides because of sharp object 3, stop progressively expanding and the loss of gaseous tension in tire 1.
Again as shown in Figure 2 and Figure 3, when pulling out sharp object 3, this repairing glue 2 is carried secretly and is pulled along with displacement because being attached to sharp object 3, the space of full sharp object 3 tire that penetrates 1 is clogged in the path that repairing glue 2 is pulled out along with sharp object 3 on the way, fill up and stop the interior gaseous tension of tire 1 to run off, and the gaseous tension in this tire 1 can produce compressing to repairing glue 2, so repairing glue 2 is automatically filled up these sharp object 3 places of penetrating and can be repaired, provide the function of self-regeneration.
Claims (10)
1. a safety puncture preventing tyre (1), it is characterized in that: the inner edge surface (11) in described tire (1) adheres to one deck repairing glue (2), and this repairing glue is the polyureas ester gum.
2. safety puncture preventing tyre according to claim 1, it is characterized in that: the thickness of described polyureas ester gum is 2-20mm.
3. the preparation method of a safety puncture preventing tyre as claimed in claim 1 is characterized in that comprising the following steps:
1. with tire inner edge surface wiped clean;
2. apply one deck polyureas ester gum on the tire inner edge surface;
3. tire is positioned on centrifuge and turns round;
4. take off tire, namely obtain the safety puncture preventing tyre that its inner rim face adheres to one deck repairing glue.
4. the preparation method of safety puncture preventing tyre according to claim 3 is characterized in that: described polyureas ester gum is made by isocyanates prepolymer and polyol blends reaction.
5. the preparation method of safety puncture preventing tyre according to claim 4, it is characterized in that: the described ratio of stating polyol blends and isocyanates prepolymer is 1:0.1～0.4.
6. the preparation method of according to claim 4 or 5 described safety puncture preventing tyres, it is characterized in that: described isocyanates prepolymer is diisocyanate.
7. the preparation method of safety puncture preventing tyre according to claim 6, it is characterized in that: described diisocyanate has two large classes, is respectively aromatic and aliphatic isocyanates.
8. the preparation method of according to claim 4 or 5 described safety puncture preventing tyres, it is characterized in that: described polyol blends is polyether glycol and polyester polyol, its 0-H value scope is between 20～60.
9. the preparation method of safety puncture preventing tyre according to claim 3, it is characterized in that: the rotating speed of described centrifuge is at 300～2000rpm/min, and its time of run is 3～15min, and the ambient temperature of work is 22～30 ℃.
10. the preparation method of safety puncture preventing tyre according to claim 3, it is characterized in that: the thickness of described polyureas ester gum is 2～20mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201310039620 CN103101401A (en) | 2013-01-31 | 2013-01-31 | Safe anti-pricking tire and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201310039620 CN103101401A (en) | 2013-01-31 | 2013-01-31 | Safe anti-pricking tire and production method thereof |
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| CN103101401A true CN103101401A (en) | 2013-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109456A (en) * | 2014-06-25 | 2014-10-22 | 宁波晨阳光电科技有限公司 | Monocomponent tire explosion-proof liquid and preparation method thereof |
-
2013
- 2013-01-31 CN CN 201310039620 patent/CN103101401A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109456A (en) * | 2014-06-25 | 2014-10-22 | 宁波晨阳光电科技有限公司 | Monocomponent tire explosion-proof liquid and preparation method thereof |
| CN104109456B (en) * | 2014-06-25 | 2017-02-15 | 宁波晨阳光电科技有限公司 | Monocomponent tire explosion-proof liquid and preparation method thereof |
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Application publication date: 20130515 |
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