CN101219631A - Polyurethane composite material tire and producing method thereof - Google Patents
Polyurethane composite material tire and producing method thereof Download PDFInfo
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- CN101219631A CN101219631A CNA2008100139733A CN200810013973A CN101219631A CN 101219631 A CN101219631 A CN 101219631A CN A2008100139733 A CNA2008100139733 A CN A2008100139733A CN 200810013973 A CN200810013973 A CN 200810013973A CN 101219631 A CN101219631 A CN 101219631A
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Abstract
The invention discloses a large truck tire, in particular a large truck tire of polyurethane composite and a production method thereof. The tire of polyurethane composite comprises a wheel hub, a wheel hub board, a tire tread, an inner tube, and a filler between the tire tread and the inner tube. The invention is characterized in that the tire tread and a tire sidewall adopt casting polyurethane elastomers; a tread bracing layer is provided with four layers which are compounded from three layers of steel wire cords and a layer of aramid fibers through adhesive; a tire body cord layer is compounded from steel wire cords and aramid fibers; an inner liner layer is compounded from a chlorinated butyl rubber and a steel wire cord layer; the filler adopts at least one of the following two elastomers: a polyurethane elastomer with Shore hardness of A 45 and a polyurethane foaming elastomer with self crust. The invention has the advantages of wear resistance, low temperature performance, better elastic performance under high hardness, better uniformity of colloid due to fully automatic casting technology, more stable performance, tear resistance, strong performance of pealing resistance, and non pollution from three wastes during manufacturing; the invention belongs to a green manufacture technology.
Description
(1) technical field
The present invention relates to a kind of large-scale band tire, particularly a kind of large-scale load-carrying polyurethane composite material tire and production method thereof.
(2) background technology
In recent years, we have carried out careful investigation to the unit that uses the large-scale heavy duty tire, as the eastern group of god, Pingshou coal, Jincheng Mining Group, Datong District's Mining Group, Yanzhou Mining Group, little Guia Hill pushes away joint-stock company, Xu worker group, PORT OF TIANJIN fortune company etc., find that the large-scale heavy duty tire that they use generally all is import, main two classes of dividing, one class is a solid tyre, two classes are to fill tire, the material that adopts is mainly rubber (as natural gum; butadiene-styrene rubber; butadidenne glue etc.); because of its anti-load-carrying capacity low; wear ability is little; the low and thorn resistance of peel strength can differ from etc., lacks and show as the life-span; shortcomings such as poor safety performance.As be used for large-scale load transportation vehicle tyre under the coal mine, the General Purpose Rubber tire that adopts, be generally service life 2～3 months, even have shorter, add import tire receipt period long, price is high again, has a strong impact on the safety and the work efficiency in mine, therefore, for the very abominable occasions such as mine of operating mode, urgent large-scale heavy duty tire of wishing that the use wear resisting property is good, lear energy strong, the life-span is long.
(3) summary of the invention
The present invention is in order to remedy the deficiencies in the prior art, and a kind of large-scale load-carrying polyurethane composite material tire and production method thereof that big load, high abrasion, anti tear, anti-puncture, production technology are efficient, excellent properties such as clean that have is provided.
The present invention is achieved through the following technical solutions:
A kind of polyurethane composite material tire, comprise wheel hub, boss plate, tyre surface, the inner tube of a tyre and the weighting material between tyre surface, the inner tube of a tyre, its special character is: casting type polyurethane elastomer is adopted on tyre surface and sidewall, bracing ply is four layers, is composited by adhesion agent by compound steel silk cord and one deck aramid fiber; Casingply has steel cord and aramid fiber to be composited, and inside liner is compound by chlorinated butyl rubber and metal-cord; Weighting material adopts at least a in following two kinds: a kind of is that hardness is the polyurethane elastomer of Shao A45, and another kind is the self-skin polyurethane foaming elastomer.
The preparation method of polyurethane composite material tire of the present invention: its special character is: comprise the steps:
(1), rim surface is cleared up: with methylene chloride the alloy rim surface is handled, carry out oil removing degreasing, sandblast after cleaning out;
(2) preparation of base polyurethane prepolymer for use as: after a certain amount of conductive black, antimony oxide, ten bromobenzene ether dryings, pulverization process, mix with polyvalent alcohol, become homogeneous phase with shears with 3000～4000r/min speed hot shearing, 10～15min under 40～50 ℃ of temperature, then at 90～120 ℃, 0.096 stir dehydration 4h under the～0.097MPa vacuum degree condition, be cooled to 60 ℃, diisocyanate with metering mixes fast, under nitrogen protection, react 2h, sample analysis NCO content behind the vacuumize degassing 10min in 75～80% times;
(3) manufacturing of tire: process polyurethane is got the raw materials ready earlier, performed polymer is synthetic, aramid fiber is Wrapping formed, the weighting material moulding is prepared, and cast, once sulfuration, deburring, post-cure are checked at last, packed then; Polyurethane material synthetic parameters: degree of vacuum-0.98Mpa wherein, 85 ± 3 ℃ of temperature of reaction, reaction time 4h; Process of producing product parameter: 80 ℃ of preheating temperatures, 100 ℃ of solidification temperatures, cure time 40min, 80 ℃ of after cure temperature, after cure time 8h.
The design that the present invention optimizes by different material, different formulations, the screening formula feed composition.By compound design, polyurethane elastomer physical mechanics property, shop characteristic and tire applications performance, set up correlationship between the three, thereby finally determine recipe ingredient and ratio thereof; Determine elastic body physical mechanics and process performance index and test method thereof, determine tire applications performance figure and test method thereof.The present invention introduces advanced manufacturing equipment, and designing mould and wheel rim carry out fabrication process condition and flow test voluntarily, finally determines the technological process technological parameter; Adopt French BAULE company technology at silane coupling agent and rim surface treatment technology, guarantee not unsticking of tire and wheel rim, raising tire service life.
Technical essential of the present invention:
A. with polyurethane elastomer cast engineering tyre (filled-type) (specification 636,630,40T imported car are filled tire).
B. carcass and tread mix performance: carcass sizing material tear strength reaches 90kN/m; Tread mix resistance to abrasion (Akron abrasion) reaches 0.03cm
3/ 1.61km.
C. adopt the compound enhancing of polyurethane elastomer and aramid fiber, a plurality of stations are pouring technology repeatedly.
D. polyurethane elastomer gel is filled, good springiness, and load carrying ability is big.
The mechanical performance index of polyurethane elastomer tire tread material of the present invention reaches:
Polyurethane material hardness (Shao A) 75 ± 5; Tensile strength at break 〉=20MPa;
Elongation at failure 300～450%; Rebound resilience 〉=25%;
Tensile set≤20%; Akron abrasion≤0.08cm
3/ 1.61km);
Peel strength 〉=75kN/m.
The present invention is the collection new material, up-to-date technology, new process is in the project of one, structure that the carrying out of this project can be studied polyurethane material fully and the regularity between the performance, control is also strengthened its strong mechanical performance, wear-resisting, anti-puncture, reduce rolling resistance, in the research and development that are applied to off-the-road tyre with the polyurethane elastomer material initiative, the Combination property that can significantly improve tire improves the functional of heavy construction equipment, enlarge its application, to China Shanxi, Xinjiang, the Inner Mongol, the large-scale oil field on ground such as Yan Kuang, the colliery, metallic ore, huge contribution is made in the hydraulic engineering construction, is the colliery of our province simultaneously, the harbour, the oil field, large-scale construction projects such as mine are fast again, good again provide strong technology and product guarantee.At present, also there is not this research and development technology product ommercialization production of success both at home and abroad.The large-scale heavy duty polyurethane elastomer engineering tyre (filled-type) of this project development, have big load, high abrasion, anti tear, anti-puncture, excellent properties such as production technology is efficient, clean, because polyurethane elastomer cast engineering tyre (filled-type) has the high resiliency under high strength, high-wearing feature, high tear resistance, the high hardness, excellent anti-puncture, radiation hardness, weather resisting property are widely used in mechanical equipments such as the medium-and-large-sized conveying of industrial and mining enterprises, traction, loading mobile, traveling vehicle under extreme complicated abominable operating mode.It is the indispensable important accessory of soft terrain road conditions camp site big machineries such as colliery, metal mine, development of the field, desert wetland.Major contribution is made in large-scale, the mega-construction project construction that can be China, can break external technical monopoly, substitutes import, has great economic implications.In the industrial production process of modernization, have broad application prospects.
The advantage of patent of the present invention is: the elasticity under wear-resisting, low-temperature properties and the high hardness is better, and full-automatic casting technology makes that the colloid homogeneity is better, and performance is more stable, and anti tear, antistripping ability are strong, and three-waste free pollution in the manufacturing process belongs to green manufacturing technology.
(4) description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that A-A shown in Figure 1 is to generalized section.
Among the figure, 1, tyre surface, 2, weighting material, 3, the inner tube of a tyre, 4, reinforced rib, 5, wheel hub, 6, boss plate.
(5) specific embodiment
Embodiment 1:
Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment comprises wheel hub 5, boss plate 6, reinforced rib 4, tyre surface 1, the inner tube of a tyre 3 and the weighting material 2 between tyre surface 1, the inner tube of a tyre 3, tyre surface 1, the inner tube of a tyre 3 adopt casting type polyurethane elastomer, bracing ply is four layers, be composited by adhesion agent by compound steel silk cord and one deck aramid fiber, casingply has steel cord and aramid fiber to be composited, and inside liner is compound by chlorinated butyl rubber and metal-cord; Weighting material adopts following two kinds of polyurethane compound: a kind of is that hardness is the polyurethane elastomer of Shao A45, and another kind is the self-skin polyurethane foaming elastomer.
This manufacturing process and product is as follows:
1, rim surface is cleared up:
1) surface treatment of alloy rim, sandblast; Not only rim surface but also circle 10mm place, limit also want sandblast.
2) rim surface treatment process: with methylene chloride the surface is handled, carry out the oil removing degreasing after cleaning out.
2, the preparation of base polyurethane prepolymer for use as:
After a certain amount of conductive black, antimony oxide, ten bromobenzene ether dryings, pulverization process; mix with polyvalent alcohol; become homogeneous phase with shears with 3000～4000r/min speed hot shearing, 10～15min under 40～50 ℃ of temperature; then at 90～120 ℃; 0.096 stir dehydration 4h under the～0.097MPa vacuum degree condition, be cooled to 60 ℃, the diisocyanate with metering mixes fast; under nitrogen protection, react 2h, sample analysis NCO content behind the vacuumize degassing 10min in 75～80% times.
3, the manufacturing of tire:
1) polyurethane is got the raw materials ready, and performed polymer is synthetic, fiber winding forming, and the weighting material moulding is prepared;
2) cast, once sulfuration, deburring, post-cure;
3) check, packing.
The main technical details of tire production:
(1), polyurethane material synthetic parameters: degree of vacuum-0.98MPa; 85 ± 3 ℃ of temperature of reaction; Reaction time 4h.
(2), process of producing product parameter: 80 ℃ of preheating temperatures; 100 ℃ of solidification temperatures; Cure time 40min; 80 ℃ of after cure temperature; After cure time 8h.
Embodiment 2:
Described tyre surface 1, the inner tube of a tyre 3 adopt casting type polyurethane elastomer, and bracing ply is four layers, is composited by adhesion agent by compound steel silk cord and one deck aramid fiber; Casingply has steel cord and aramid fiber to be composited, and inside liner is compound by chlorinated butyl rubber and metal-cord, and it is the polyurethane elastomer of Shao A45 that weighting material adopts hardness.Other is identical with embodiment 1.
Embodiment 3:
Described tyre surface 1, the inner tube of a tyre 3 adopt casting type polyurethane elastomer, and bracing ply is four layers, is composited by adhesion agent by compound steel silk cord and one deck aramid fiber; Casingply has steel cord and aramid fiber to be composited, and inside liner is compound by chlorinated butyl rubber and metal-cord; Weighting material adopts the self-skin polyurethane foaming elastomer.Other is identical with embodiment 1.
Claims (2)
1. polyurethane composite material tire, comprise wheel hub, boss plate, tyre surface, the inner tube of a tyre and the weighting material between tyre surface, the inner tube of a tyre, it is characterized in that: casting type polyurethane elastomer is adopted on tyre surface and sidewall, bracing ply is four layers, is composited by adhesion agent by compound steel silk cord and one deck aramid fiber; Casingply has steel cord and aramid fiber to be composited, and inside liner is compound by chlorinated butyl rubber and metal-cord; Weighting material adopts at least a in following two kinds: a kind of is that hardness is the polyurethane elastomer of Shao A45, and another kind is the self-skin polyurethane foaming elastomer.
2. the preparation method of polyurethane composite material tire according to claim 1: it is characterized in that: comprise the steps:
(1), rim surface is cleared up: with methylene chloride the alloy rim surface is handled, carry out oil removing degreasing, sandblast after cleaning out;
(2) preparation of base polyurethane prepolymer for use as: after a certain amount of conductive black, antimony oxide, ten bromobenzene ether dryings, pulverization process, mix with polyvalent alcohol, become homogeneous phase with shears with 3000～4000r/min speed hot shearing, 10～15min under 40～50 ℃ of temperature, then at 90～120 ℃, 0.096 stir dehydration 4h under the～0.097MPa vacuum degree condition, be cooled to 60 ℃, diisocyanate with metering mixes fast, under nitrogen protection, react 2h, sample analysis NCO content behind the vacuumize degassing 10min in 75～80% times;
(3) manufacturing of tire: process polyurethane is got the raw materials ready earlier, performed polymer is synthetic, aramid fiber is Wrapping formed, the weighting material moulding is prepared, and cast, once sulfuration, deburring, post-cure are checked at last, packed then; Polyurethane material synthetic parameters: degree of vacuum-0.98Mpa wherein, 85 ± 3 ℃ of temperature of reaction, reaction time 4h; Process of producing product parameter: 80 ℃ of preheating temperatures, 100 ℃ of solidification temperatures, cure time 40min, 80 ℃ of after cure temperature, after cure time 8h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100139733A CN101219631B (en) | 2008-01-29 | 2008-01-29 | Polyurethane composite material tire and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100139733A CN101219631B (en) | 2008-01-29 | 2008-01-29 | Polyurethane composite material tire and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101219631A true CN101219631A (en) | 2008-07-16 |
| CN101219631B CN101219631B (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100139733A Expired - Fee Related CN101219631B (en) | 2008-01-29 | 2008-01-29 | Polyurethane composite material tire and producing method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003457A (en) * | 2010-11-24 | 2011-04-06 | 上海凯众聚氨酯有限公司 | Double-hardness polyurethane tire and manufacturing process thereof |
| CN104309411A (en) * | 2014-10-28 | 2015-01-28 | 晋江国盛新材料科技有限公司 | Thermoplastic polyurethane (TPU) low-load tire and molding technology thereof |
| CN106239792A (en) * | 2016-08-23 | 2016-12-21 | 济南鲁联集团橡胶制品有限公司 | A kind of bogie wheel and casting pressure technique thereof |
| CN106366271A (en) * | 2016-08-25 | 2017-02-01 | 浙江长兴宏诚橡胶制品有限公司 | Rubber tire |
| WO2018176729A1 (en) * | 2017-03-28 | 2018-10-04 | 彭小燕 | Non-pneumatic tire of double-density composite polymer material |
| CN108859198A (en) * | 2018-06-22 | 2018-11-23 | 北京化工大学 | A kind of preparation method of cast polyurethane tire |
| CN108995260A (en) * | 2018-06-22 | 2018-12-14 | 北京化工大学 | A kind of preparation method of pu tire |
| CN108995261A (en) * | 2018-06-22 | 2018-12-14 | 北京化工大学 | A kind of preparation method for injecting pu tire |
| CN111039136A (en) * | 2019-12-30 | 2020-04-21 | 浙江万立汽配有限公司 | Anti-aging escalator roller |
| CN111378273A (en) * | 2020-02-25 | 2020-07-07 | 凌彩百川（新兴）科技有限公司 | Low-hysteresis-loss high-strength polyurethane elastomer and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5922153A (en) * | 1998-01-23 | 1999-07-13 | The Goodyear Tire & Rubber Company | Tire innerliner composition |
| CN1174854C (en) * | 2001-06-13 | 2004-11-10 | 广州华工百川自控科技有限公司 | Green tyre with composite rubber-polyurethane elastomer structure and its production process |
| CN2483214Y (en) * | 2001-06-29 | 2002-03-27 | 李宝申 | Combination type bursting-proof tyre |
| CN1618634A (en) * | 2003-08-16 | 2005-05-25 | 吴天火 | Air leakage protection polyurethane tyre |
| CN1647957A (en) * | 2003-09-08 | 2005-08-03 | 吴天火 | Nano polyurethane inflation-free tyre |
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2008
- 2008-01-29 CN CN2008100139733A patent/CN101219631B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003457A (en) * | 2010-11-24 | 2011-04-06 | 上海凯众聚氨酯有限公司 | Double-hardness polyurethane tire and manufacturing process thereof |
| CN105539013B (en) * | 2014-10-28 | 2018-05-29 | 晋江国盛新材料科技有限公司 | A kind of thermoplastic polyurethane low load tire |
| CN105539013A (en) * | 2014-10-28 | 2016-05-04 | 晋江国盛新材料科技有限公司 | Thermoplastic polyurethane low-load tire |
| CN104309411B (en) * | 2014-10-28 | 2016-07-13 | 晋江国盛新材料科技有限公司 | A kind of low load tire of thermoplastic polyurethane and moulding process thereof |
| CN104309411A (en) * | 2014-10-28 | 2015-01-28 | 晋江国盛新材料科技有限公司 | Thermoplastic polyurethane (TPU) low-load tire and molding technology thereof |
| CN106239792A (en) * | 2016-08-23 | 2016-12-21 | 济南鲁联集团橡胶制品有限公司 | A kind of bogie wheel and casting pressure technique thereof |
| CN106366271A (en) * | 2016-08-25 | 2017-02-01 | 浙江长兴宏诚橡胶制品有限公司 | Rubber tire |
| WO2018176729A1 (en) * | 2017-03-28 | 2018-10-04 | 彭小燕 | Non-pneumatic tire of double-density composite polymer material |
| CN108859198A (en) * | 2018-06-22 | 2018-11-23 | 北京化工大学 | A kind of preparation method of cast polyurethane tire |
| CN108995260A (en) * | 2018-06-22 | 2018-12-14 | 北京化工大学 | A kind of preparation method of pu tire |
| CN108995261A (en) * | 2018-06-22 | 2018-12-14 | 北京化工大学 | A kind of preparation method for injecting pu tire |
| CN111039136A (en) * | 2019-12-30 | 2020-04-21 | 浙江万立汽配有限公司 | Anti-aging escalator roller |
| CN111039136B (en) * | 2019-12-30 | 2021-05-14 | 浙江万立汽配有限公司 | Anti-aging escalator roller |
| CN111378273A (en) * | 2020-02-25 | 2020-07-07 | 凌彩百川（新兴）科技有限公司 | Low-hysteresis-loss high-strength polyurethane elastomer and preparation method thereof |
| CN111378273B (en) * | 2020-02-25 | 2022-04-12 | 凌彩百川（新兴）科技有限公司 | Low-hysteresis-loss high-strength polyurethane elastomer and preparation method thereof |
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|---|---|
| CN101219631B (en) | 2011-05-04 |
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