CN101200115A - Preparing process for tyre repairing glue - Google Patents
Preparing process for tyre repairing glue Download PDFInfo
- Publication number
- CN101200115A CN101200115A CNA2006101672139A CN200610167213A CN101200115A CN 101200115 A CN101200115 A CN 101200115A CN A2006101672139 A CNA2006101672139 A CN A2006101672139A CN 200610167213 A CN200610167213 A CN 200610167213A CN 101200115 A CN101200115 A CN 101200115A
- Authority
- CN
- China
- Prior art keywords
- tire
- repairing glue
- making
- tyre
- glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Tires In General (AREA)
Abstract
The invention relates to a preparation of tire repair adhesive, in which the polyurea ester gum made from the reaction between the isocyanate prepolymer and the mixture of polyols can be evenly coated on the internal margin surface of tire. Thus when some part of the tire close to the road is subject to the penetration of needling objects, the prevention effectiveness for the continuous gas escaping can be provided. Through the preparation of the tire repair adhesive of the invention, the road safety of vehicle can be enhanced so as to improve the predicament that the gas escaping prevention when the tire side is penetrated cannot be provided in the prior art.
Description
Technical field
The present invention relates to a kind of method for making of tyre repairing glue, be about tubeless technical field, especially refer on the tire inner edge surface this repairing glue of coating and can in real time tire be stung part and protruding thorn article is filled up respectively and coating, and then prevent disappointing and keep traffic safety.
Background technology
The maintenance technology that tire assassination is at present lost heart, checking and approving patent of invention as TaiWan, China announces shown in No. 580463 (as Fig. 1): sealant, tubeless tyre and the tube of the usefulness that prevents to leak gas, the sealant 7 of this usefulness that prevents to leak gas is in order to be filled in along air chamber 5 peripheries of tire T and in the sealant chamber 6 of zoning, its viscosity is in the scope of 25dPa.s and even 35dPa.s, and the thixotroping value is in 6.5 to 11.0 scope.When making tire T rotation because of vehicle operating, can be by viscosity, to make it evenly to be spread in the inside of sealant chamber 6 by vibration or the stirring action reduction sealant 7 that centrifugal force produced.Again, if the viscosity of sealant 7 promptly increases because of vehicle stops to make aforementioned stirring action to disappear then, and sealing agent 7 does not flow in the below of sealant chamber 6 because of gravity, and maintains the state of even diffusion, therefore is to prevent that the vehicle process from producing vibration or noise when running at high speed for a long time.So, can provide a kind of have in when operation viscosity low and be easy to flow, and when placing the high and character that is difficult to flow of viscosity prevent to leak gas the sealant of usefulness.
This patent of invention of before having checked and approved is announced No. 580463 and maximum difference of the present invention, be the lining 2L that is provided with sealant chamber 6 and filling sealing agent 7 in advance of this case, be a tire T with tire body 1 as assembly again, but this kind method for making is comparatively high in the cost face, and program also is complicated.
For this reason, this case inventor accumulates various for many years New Product's Design and research and development experience, is at prevent from the to leak gas shortcoming further investigation of sealant, tubeless tyre and tube of usefulness of preceding rank prior art, and invention this case.
Summary of the invention
Purpose of the present invention, provide and a kind ofly can give part that tire presses close to the road surface and have the method for making that assassination prevents the tyre repairing glue that loses heart, one can be applicable to new tyre and still belongs to and may construct with the old tire of state, and two can simplify the tire desire makes the anti-structure of losing heart required processing procedure and the reduction that produces cost.
A kind of method for making of tyre repairing glue, it comprises following steps:
A wipes away a clean tire inner edge surface;
B reacts and makes the polyureas ester gum via isocyanates prepolymer, polyol blends, coats this polyureas ester gum in the aforesaid tyre inner edge surface;
C places the centrifuge running with this tire; And
D can adhere to make one deck repairing glue in its inner rim face after taking off tire.
The method for making of described tyre repairing glue, it is in this step b, and this isocyanates prepolymer is a vulcabond.
The method for making of described tyre repairing glue, wherein, it is aromatic series (Diphenylmethane-4 that this vulcabond has two big classes, 4 ' diisocyanate and composition thereof) with aliphatic isocyanates (Xylenediisocyanate-XDI, TetramethylenexyleneDiisocyanate-TMXDI, Isophorpne diisocyanate-IPDI, Hexamethylenediisocyanate-HDI).
The method for making of described tyre repairing glue, its in, among described this step b, this polyol blends is PPG polyether polyol and PEPA polyester polyol, its O-Hvalue scope can be between the 20-60.
The method for making of described tyre repairing glue among its described this step c, is that its duration of runs is in the scope of 3～15mins in the model of about 300～2000rpm/min is to the rotating speed of this centrifuge.
The method for making of described tyre repairing glue, wherein among this step c, this centrifuge running is in 25～30 ℃ of operations of room temperature.
The method for making of described tyre repairing glue, wherein, in this steps d, the thickness that this layer repairing glue adhered to is in the scope of 2～20mm.
So the differentiation real benefit that analysis the present invention and prior art are invented the two is as follows:
With regard to application: prior art invention for the TaiWan, China patent check and approve announce No. 580463 prevent to leak gas sealant, tubeless tyre and the tire second case of usefulness, though can be applicable to two types on tire of " nothing " inner tube of a tyre and the tire of " having " inner tube of a tyre etc., only the present invention is the tyre type that only is applied to " nothing " inner tube of a tyre.
With regard to technological means: the technological means of prior art invention is for being provided with the also lining 2L of filling sealing agent 7 of sealant chamber 6 in advance with one, be that a tire T person is shown in Figure 1 as this case with tire body 1 as assembly again, only the processing procedure of this kind technological means is comparatively numerous and diverse, and can only be used for the making of new tyre; That compares is following, no matter in new tyre or old tire, may all can utilize maintenance agent of the present invention to coat on the inner edge surface of this tire and give centrifugal forming with the tire of state as long as it still belongs to, get final product the tire of identical protection effect.
With regard to the anti-stab degree of depth: it is to increase or subtract 0.3mm at 1.2mm in the radial direction thickness t as shown in Figure 1 that prior art is invented its sealant chamber 6, that is this thickness range should be 0.9mm or 1.5mm.Yet, sealant 7 capacity of calculating 6 the energy fillings in sealing agent chamber in view of the above still belong to limited, if when suffering the comparatively roomy protruding thorn article of volume to stab tire T, the damaged area that is caused relative also broader as successively or meet with blade simultaneously, nail thrusts, the unbearably attenuation if the tyre surface that meets this tire body 1 again weares and teares already, whether the sealant 7 of its filling possesses enough capacity provides and fills up, then not without query; Even if the effect of filling up can be provided, then formed fill up action effect must belong to limited because this protruding thorn article may directly injure lining 2L.; this layer repairing glue of the present invention its to adhere to thickness be 2～20mm; only just the radial direction thickness t than the thickest 1.5mm of prior art invention such as Fig. 1 is also thick for 2mm; calculate three times that are at most sealing agent chamber 6 according to this figure if prior art is invented the size in its whole lining 2L thickness; that is be 1.5mm * 3=4.5mm; only repairing glue thickness of the present invention mostly is the radial direction thickness r of 20mm such as Fig. 3 most, and so good and bad judgement is clearly demarcated immediately.
So as can be known, characteristics of the present invention have:
1. the method for making of tyre repairing glue of the present invention is prepared maintenance agent to be coated on the tire inner edge surface give centrifugal forming, and construction easily gets final product to such an extent that have a tire that prevents tire assassination gas escape effect.
2. the method for making of tyre repairing glue of the present invention is to adhere to the repairing glue that thickness is 2～20mm in the tire inner edge surface, and the thickest person of thickness of this repairing glue can be 4.4 times of prior art, can obtain more excellent filling up and the coating effect.
3. the method for making of tyre repairing glue of the present invention is with centrifugation technique repairing glue to be coated on the tire inner edge surface with dividing equally, forms this layer repairing glue of thickness unanimity, makes that anti-demand of losing heart all can be taken into account on the tire everywhere.
Description of drawings
Fig. 1 checks and approves patent of invention for TaiWan, China and announces No. 580463 cross-sectional view;
Fig. 2 is the flow chart of the method for making of tyre repairing glue of the present invention;
Fig. 3 is the cross-sectional view of tyre repairing glue of the present invention;
The schematic diagram that Fig. 4 is stung for the actual routine tire of the present invention;
Fig. 5 prevents disappointing schematic diagram for tyre repairing glue of the present invention.
[primary clustering symbol description]
＜prior art assembly 〉
The T tire
1 tire body
The 2L lining
5 air chambers
7 sealants
T radial direction thickness
＜this case assembly 〉
1 tire
11 inner edge surfaces
2 repairing glues
3 foreign matters
A presses close to the tread portion on road surface
R radial direction thickness
The specific embodiment
The present invention is a kind of method that supplies tire oneself maintenance with sizing material and products thereof, and please referring to Fig. 3, 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 tool plastic material-polyureas ester gum (PU GEL), the polyureas ester gum is made up of isocyanates prepolymer (POLYISOCYANATE) and polyol blends (POLYETHERBLENDING), be tool low-viscosity, the easy macromolecular material that flows and easily process, its physical characteristic tabular is as follows:
| Viscosity CPS/25 ℃ | Density g/cm3 | Color | Mixed proportion Wt% | |
| The isocyanates prepolymer | 1000～ 3000 | 1.2 | Little Huang | 0.1～0.4 |
| Polyol blends | 1000～ 5000 | 1.02 | Transparent | 1 |
With aforementioned two kinds of compositions, with polyol blends is 100 grams, the isocyanates prepolymer that then mixes 10 to 40 grams, mix with this ratio and to get final product, and the repairing glue after the gel 2, it can bear between-60 to+80 ℃, and can keep the stability of physical characteristic in this temperature range, and therefore finished product exists a viscoelasticity, and the optimal mixed proportion of aforementioned polyol blends and isocyanates prepolymer is between 1: 0.1～0.4, forms the tool low-viscosity, easily flow, and easily process and the flexible repairing glue 2 of tool, make the flexible kenel of tool with special component, only behind stress application or the pressure, can form deformation or mobile, so preferable effect is arranged.Inferior person, the tables of data of the machining object property testing of polyureas ester gum PU gel prescription and physical property, its more particulars be organized into following table:
| Item | A | B | C | D |
| Components | Vulcabond/triol-5000～7000/ plasticizer | Vulcabond/triol-5000～7000/ plasticizer | Vulcabond/triol-5000～7000/mono-ol | Vulcabond/triol-500 0～7000/mpno-ol |
| PrepolymerNC 0％ | 6％ | 6％ | 10％ | 10％ |
| Curing agent/ Catalyst | triol-5000～ 7000/ plasticizer | triol-5000～ 7000/ plasticizer | triol-5000～ 7000/mono-ol | triol-5000 ～ 7000/mpno- ol |
| Processing parameters | 80 | 60 | 100 | 90 |
| Iso Index | ||||
| Polyol viscosity 25 ℃〔mPas〕 | 1200～3200 | 1200～3200 | 1200～3200 | 1200～3200 |
| Isocyanate viscosity 25℃〔mPas〕 | 1200～3200 | 1200～3200 | 1200～3200 | 1200～3200 |
| Mixing temperature ℃ | 25～30 | 25～30 | 25～30 | 25～30 |
| Curing timemin/35℃ | 10～15 | 10～15 | 10～15 | 10～15 |
| Physical properties | ||||
| Density g/cm3 | 1.03 | 1.02 | 1.07 | 1.06 |
| Hardness Shore A | 0 | 0 | 0 | 0 |
| Hardness Shore 000 | 25～35 | 12～20 | 15～25 | 10～25 |
| TensileMPa-A STM D412 | 0.6～1.6 | 0.06～0.8 | 0.1～1.2 | 0.08～ 1.0 |
| Elongation％- ASTM D412 | 320～460 | 360～480 | 400～500 | 480～580 |
| TearkN/m -ASTM D 624 die C | 2.0～3.0 | 1.2～2.6 | 1.6～3.2 | 1.2～2.8 |
Tables of data by the machining object property testing, it shows that this case invention is in pulling force, elasticity, density or the like condition, the test of being done under different temperatures all is in stability range, says it for example, the rerum natura of elastic elongation degree is 460%, even kept for 3 weeks under 70 ℃ of environment, its elastic elongation degree is still in this stability range value of 460%, in like manner, kept for 3 weeks under 100 ℃ of environment, its elastic length also is in the stability range value.
Further specify again, see also Fig. 2 and Fig. 3, repairing glue 2 is coated the method for tire 1, its elder generation is with the inner edge surface 11 of cleaning agent wiping tire 1, by to wipe greasy dirt off, effectively keep the contact area of tire 2 and repairing glue 2, again tire 2 is placed on the centrifuge, repairing glue 2 is coated tire 1 inner edge surface 11 1 places, it is not shown and make tire 1 running to start centrifuge, about 300～the 2000rpm/min of rotating speed turned round about 10～20 minutes, and coating and operating condition are to carry out under 25 ℃ of room temperatures, allow repairing glue 2 be subjected to 1 rotation of centrifuge tire on the drive wheels, make repairing glue 2 ordered about by centrifugal force and be coated on tire 1 inside and put in order on the inner edge surface 11 in road, take off tire 1 by centrifuge after finishing promptly to finish, the thickness that formation repairing glue 2 is coated inner edge surface 11 is about 2～20mm.
Because only need be coated with several millimeters, the enforcement function be can reach, but still the performance and the function of tire 1 kept, lid the present invention can make tire 1 be hollow, and it is good to have preferable elasticity and a shock-proof effect, hereat has progressive.
Therefore, evenly after the coating, as Fig. 4, when the foreign matter 3 such as nail inserts tire 1 accidentally, repairing glue 2 is constantly with car body running, the centrifugal force that is caused during tire 1 running will whipping repairing glue 2 seepage flow to broken hole, the colloid stickiness of the repairing glue 2 that inner edge surface 11 is coated with is coating foreign matter 3 circumference positions closely, in order to fill up the space of inserting tires 1 all sides, stop progressively loss and the loss of air pressure in the tire 1 because of foreign matter 3.
Multiple as Fig. 4, Fig. 5, when pulling out foreign matter 3, then this repairing glue 2 because being attached to foreign matter 3 with displacement carried secretly pulling, the approach that repairing glue 2 is pulled out along with foreign matter 3, hole, the approach of full foreign matter 3 tire that thrusts 1 mended in filling on the way, stops the air pressure in the tire 1 to run off, and the air pressure in this tire 1 can produce compressing to repairing glue 2, therefore repairing glue 2 fills up automatically that this foreign matter 3 thrusts locates and can obtain repairing, and the function of self-maintenance is provided.
Claims (7)
1. the method for making of a tyre repairing glue is to it is characterized in that comprising following steps:
A wipes away a clean tire inner edge surface;
B reacts and makes the polyureas ester gum via isocyanates prepolymer, polyol blends, coats this polyureas ester gum in the aforesaid tyre inner edge surface;
C places the centrifuge running with this tire; And
D can adhere to make one deck repairing glue in its inner rim face after taking off tire.
2. the method for making of tyre repairing glue as claimed in claim 1 is characterized in that, in this step b, this isocyanates prepolymer is a vulcabond.
3. the method for making of tyre repairing glue as claimed in claim 2, it is characterized in that, it is aromatic D iphenylmethane-4 that described this vulcabond has two big classes, 4 ' diisocyanate and composition thereof and aliphatic isocyanates Xylenediisocyanate-XDI, Tetramethylenexylene Diisocyanate-TMXDI, Isophorpnediisocyanate-IPDI, Hexamethylene diisocyanate-HDI.
4. the method for making of tyre repairing glue as claimed in claim 1, it is characterized in that, among described this step b, this polyol blends is PPG polyether polyol and PEPA polyester polyol, and its O-H value scope can be between the 20-60.
5. the method for making of tyre repairing glue as claimed in claim 1 is characterized in that, among described this step c, is that its duration of runs is in the scope of 3～15mins in the model of about 300～2000rpm/min is to the rotating speed of this centrifuge.
6. the method for making of tyre repairing glue as claimed in claim 1 is characterized in that, among described this step c, this centrifuge running is in 25～30 ℃ of operations of room temperature.
7. the method for making of tyre repairing glue as claimed in claim 1, wherein, in this steps d, the thickness that this layer repairing glue adhered to is in the scope of 2～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101672139A CN101200115A (en) | 2006-12-13 | 2006-12-13 | Preparing process for tyre repairing glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101672139A CN101200115A (en) | 2006-12-13 | 2006-12-13 | Preparing process for tyre repairing glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101200115A true CN101200115A (en) | 2008-06-18 |
Family
ID=39515558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101672139A Pending CN101200115A (en) | 2006-12-13 | 2006-12-13 | Preparing process for tyre repairing glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101200115A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239046A (en) * | 2008-12-03 | 2011-11-09 | 米其林技术公司 | Pneumatic object provided with a self-sealing and gas-tight layer comprising a thermoplastic elastomer and extension oil |
-
2006
- 2006-12-13 CN CNA2006101672139A patent/CN101200115A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239046A (en) * | 2008-12-03 | 2011-11-09 | 米其林技术公司 | Pneumatic object provided with a self-sealing and gas-tight layer comprising a thermoplastic elastomer and extension oil |
| CN102239046B (en) * | 2008-12-03 | 2014-09-10 | 米其林企业总公司 | Pneumatic object provided with a self-sealing and gas-tight layer comprising a thermoplastic elastomer and extension oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3199380B1 (en) | Pneumatic tire and method for producing pneumatic tire | |
| JP6679802B2 (en) | Elastomer composition and use thereof | |
| CN101549618B (en) | Sound control unit for tire | |
| CN1117111C (en) | High service temperature polyurethane elastomers | |
| CN101939349B (en) | Polyurethaneurea system | |
| US3190338A (en) | Repaired tire and making same | |
| JP7248865B2 (en) | self sealing tires | |
| CN102906214A (en) | Liquid coagulant and tire puncture sealing material set | |
| CN101200115A (en) | Preparing process for tyre repairing glue | |
| CN102791757B (en) | Process for making long fiber-reinforced polyurethanes that contain particulate fillers | |
| US20210188002A1 (en) | Non-pneumatic tire and method for preparing the same and use thereof | |
| CN104059352B (en) | The manufacture method of polyurethane PU R elastomers and automobile component foaming damping ring bumper ring | |
| CN106457933B (en) | The method that production is used for the tire equipped with accessory of wheel | |
| CN106189794B (en) | Has the tire and preparation method thereof of polyurethane elastomer material in a kind of | |
| CN102174310A (en) | Novel automatic inflation tire repair liquid | |
| EP2568005B1 (en) | Anti-pricking and leakage proof material for tubeless tyre, method producing the same and spraying method thereof | |
| CN1170026A (en) | Self mending liquid for tyres | |
| JP6566967B2 (en) | Method for producing polyurethane foam by microcasting | |
| JP5879146B2 (en) | Electrode pad | |
| JP2014166831A (en) | Pneumatic safety tire | |
| CN110406330B (en) | Anti-puncture tread rubber and preparation method thereof | |
| CN101676093A (en) | Elastomer-filled tire | |
| CN110254136B (en) | Puncture-proof electric motor car tire and production method thereof | |
| TW200823036A (en) | Method for making tire patching glue | |
| EP1721758A1 (en) | Non-slipping wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080618 |