CN117659573A - Driving wheel of highway and railway dual-purpose vehicle and preparation method thereof - Google Patents
Driving wheel of highway and railway dual-purpose vehicle and preparation method thereof Download PDFInfo
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- CN117659573A CN117659573A CN202311512394.4A CN202311512394A CN117659573A CN 117659573 A CN117659573 A CN 117659573A CN 202311512394 A CN202311512394 A CN 202311512394A CN 117659573 A CN117659573 A CN 117659573A
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- carbon black
- tire
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 36
- 239000005060 rubber Substances 0.000 claims abstract description 36
- 239000006229 carbon black Substances 0.000 claims abstract description 22
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 20
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 10
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000008117 stearic acid Substances 0.000 claims abstract description 10
- 239000011787 zinc oxide Substances 0.000 claims abstract description 10
- 239000004952 Polyamide Substances 0.000 claims abstract description 7
- 229920002647 polyamide Polymers 0.000 claims abstract description 7
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 22
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 15
- 239000012752 auxiliary agent Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- 235000011037 adipic acid Nutrition 0.000 claims description 11
- 239000001361 adipic acid Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 150000002978 peroxides Chemical class 0.000 claims description 9
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 7
- 229920000459 Nitrile rubber Polymers 0.000 claims description 7
- 239000005062 Polybutadiene Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000004014 plasticizer Substances 0.000 claims description 6
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical group C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 238000003490 calendering Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000011297 pine tar Substances 0.000 claims description 5
- 229940068124 pine tar Drugs 0.000 claims description 5
- 229920002857 polybutadiene Polymers 0.000 claims description 5
- 229940099259 vaseline Drugs 0.000 claims description 5
- UBUCNCOMADRQHX-UHFFFAOYSA-N N-Nitrosodiphenylamine Chemical compound C=1C=CC=CC=1N(N=O)C1=CC=CC=C1 UBUCNCOMADRQHX-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- -1 diaryl secondary amine Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 150000002832 nitroso derivatives Chemical group 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 230000009477 glass transition Effects 0.000 abstract description 8
- 238000004132 cross linking Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000013329 compounding Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Abstract
The invention relates to the technical field of highway and railway dual-purpose vehicles, in particular to a highway and railway dual-purpose vehicle driving wheel and a preparation method thereof. The filler is added in the preparation process of the polyamide, so that stable embedding of the filler is realized, after the compounding of the natural latex and the stearic acid is combined, the modification treatment of carbon black, white carbon black and nano zinc oxide is realized under the crosslinking action of glass fibers, the modified filler with good compatibility with rubber is obtained, the overall performance of the tire is improved, and the glass transition temperature of the tire is reduced. The scheme of this application is simple, and stability factor is high, and maneuverability is good.
Description
Technical Field
The invention relates to the technical field of highway and railway dual-purpose vehicles, in particular to a highway and railway dual-purpose vehicle driving wheel and a preparation method thereof.
Background
The highway and railway dual-purpose vehicle is a vehicle with multiple purposes, is light and flexible, has high running speed and wide range. It can be equipped with different equipment according to the operation requirement to perform various operations, such as lifting, excavating, loading and unloading, snow removing, line cleaning, overhead contact net wire erection, inspection and maintenance of upper equipment on the contact net, rescue and relief work, etc.
At present, the road and railway dual-purpose vehicle driven by the rubber wheels is driven by the rubber wheels both on a road and on a railway, and is guided by special guide wheels when running on the railway. The friction coefficient of rubber wheels and rails on a dry rail surface of the guide wheel type highway and railway dual-purpose vehicle designed and produced at home is 0.4-0.6, but the damping is serious in rainy and snowy days.
In an extremely low-temperature environment, the thermal motion of rubber molecules is weakened, the elasticity of molecular chains and molecular chain segments is lost due to freezing, when the rubber product is used as a sealing component, the rubber hardness is increased due to low temperature, the due elasticity is lost, the sealing performance is weakened, and the integral performance of the machine is further influenced. Studies have shown that the cold resistance of rubber articles is mainly dependent on two basic factors of the high polymer: glass transition temperature and crystallinity. The glass transition temperature (T) refers to the transition temperature of the molecular segments of rubber from moving to freezing. Molecular chain segment movement is realized by single bond rotation of the main chain, so the flexibility of the rubber molecular chain determines the cold resistance of the rubber. Increasing the flexibility of rubber molecules is a key for solving the low temperature resistance of rubber, and factors for weakening the flexibility of molecular chains or increasing the acting force between molecules, such as T is increased by introducing polar side groups, huge side groups, crosslinking and crystallization; conversely, factors that increase the flexibility of the molecular chain, such as the addition of softeners or the introduction of flexible groups, decrease T. The low temperature resistance of rubber is generally determined by the cold resistance of raw rubber to a certain extent, when the rubber is used in an ultralow temperature environment, a molecular chain segment must be capable of keeping moving, and the movement is usually caused by single bond vibration in the molecule, so that the rigidity of the molecule is unfavorable for improving the low temperature resistance of the rubber, and the flexible chain segment or weakening the interaction force between the molecules is adopted to avoid the reduction of the low temperature performance of a polymer material caused by the introduction of polar and bulky side groups. Researches show that the physical properties of rubber have close relations with the structure of rubber molecules, a reinforcing system, a vulcanization system and other matching systems.
Therefore, finding a tire material suitable for use in a highway and railway vehicle is also an urgent problem to be solved.
Disclosure of Invention
Aiming at the problems of the current road and railway dual-purpose vehicle, the invention provides the road and railway dual-purpose vehicle driving wheel, which is characterized in that the filler is added in the preparation process of polyamide to realize stable embedding of the filler, and after the compounding of natural latex and stearic acid is combined, the carbon black, the white carbon black and the nano zinc oxide are modified under the crosslinking action of glass fiber to obtain the modified filler with good compatibility with rubber, so that the overall performance of the tire is improved, and the glass transition temperature of the tire is reduced. The scheme of this application is simple, and stability factor is high, and maneuverability is good.
The scheme of the application is as follows:
the tyre for the driving wheel of the highway and railway dual-purpose vehicle comprises the following raw materials in parts by weight: 70-80 parts of rubber mixture, 30-40 parts of modified filler and 2-8 parts of other auxiliary agents;
the modified filler comprises, by weight, 1-5 parts of glass fiber, 35-45 parts of carbon black, 8-12 parts of white carbon black, 1-3 parts of nano zinc oxide, 1-3 parts of stearic acid and 20-30 parts of natural latex; also included are polyamides;
the polyamide is prepared by polymerization after the reaction of adipic acid and hexamethylenediamine with equal molar weight;
the quantity of adipic acid is 0.01mol to 0.05mol of carbon black: 10g.
Preferably, the rubber mixture comprises: ethylene propylene rubber, nitrile rubber and butadiene rubber; the mass ratio of the ethylene propylene rubber to the butadiene rubber is 2-7:1:1, a step of; and/or the conditions for the reaction of adipic acid and hexamethylenediamine are: 40-50deg.C for 15-25min; and/or, peroxide vulcanizing agent is also added into the modified filler; preferably, the peroxide vulcanizing agent is dicumyl peroxide.
Preferably, the other auxiliary agents comprise one or more of an anti-aging agent, an anti-scorching agent or a plasticizer; preferably, the other auxiliary agents are plasticizers and/or antioxidants.
Preferably, the anti-aging agent is diaryl secondary amine anti-aging agent; and/or the plasticizer is vaseline or/and pine tar; and/or the number of the groups of groups,
the scorch retarder is a nitroso compound, preferably, N-nitrosodiphenylamine.
Another object of the present invention is to provide a method for manufacturing a tire for protecting a driving wheel of a highway and railway vehicle, comprising the steps of:
(1) Preparation of modified filler: respectively dissolving adipic acid and hexamethylenediamine in ethanol under stirring, mixing the two solutions, adding glass fiber, nano zinc oxide, carbon black, white carbon black, stearic acid and natural latex, stirring for reaction, cooling, filtering, drying, heating to completely melt, adding peroxide vulcanizing agent, continuously stirring, and drying to obtain powder;
(2) Preparation of the tire: mixing the powder obtained in the step (1) with a rubber mixture and other auxiliary agents, banburying, extruding, calendaring, preparing and cutting the cord fabric, and forming to obtain the cord fabric.
Further, the step (1) is heated to a complete melting temperature of 200-230 ℃.
The last object of the invention is to protect the application of the tire on driving wheels of highway and railway vehicles.
Further, the driving wheel also comprises an electric heating device.
Further, the heating temperature is 40-60 ℃.
The beneficial effects of the invention are that
The filler is added in the preparation process of the polyamide, so that stable embedding of the filler is realized, after the compounding of the natural latex and the stearic acid is combined, the modification treatment of carbon black, white carbon black and nano zinc oxide is realized under the crosslinking action of glass fibers, the modified filler with good compatibility with rubber is obtained, the overall performance of the tire is improved, and the glass transition temperature of the tire is reduced.
The existing driving wheels are all provided with lifting devices, electric control is adopted, and on the basis, electric heating equipment is added for heating the driving wheels, so that a hot environment is provided for the tires, and the influence of low temperature is resisted.
Detailed Description
Example 1
A preparation method of a tire of a driving wheel of a highway and railway dual-purpose vehicle comprises the following steps:
(1) Preparation of modified filler: dissolving 0.035mol of adipic acid and 0.035mol of hexamethylenediamine in ethanol respectively, stirring at 50 ℃, mixing the two solutions, adding 1g of glass fiber, 3g of nano zinc oxide, 35g of carbon black, 8g of white carbon black, 3g of stearic acid and 20g of natural latex, stirring and reacting for 25min, cooling, filtering, drying, adding 0.05g of peroxide vulcanizing agent dicumyl peroxide, heating to be completely melted (210 ℃), continuously stirring, and drying to obtain powder;
(2) Preparation of the tire: mixing 30g of the powder obtained in the step (1) with 80g of a rubber mixture and 2g of other auxiliary agents, banburying, extruding, calendaring, preparing and cutting curtain cloth, and forming to obtain the finished product.
The rubber mixture comprises: 20g of ethylene propylene rubber, 10g of nitrile rubber and 10g of butadiene rubber.
The other auxiliary agents are as follows: 1g of antioxidant D (butyl), 0.5g of Vaseline and 0.5g of pine tar.
The glass transition temperature of the material is-51 ℃, the friction coefficient of the rubber wheel and the ice surface is 112% and 108% at-5 ℃ and-10 ℃, and the tensile strength is 17.2Mpa.
Example 2
A preparation method of a tire of a driving wheel of a highway and railway dual-purpose vehicle comprises the following steps:
(1) Preparation of modified filler: respectively dissolving 0.2mol of adipic acid and 0.2mol of hexamethylenediamine in ethanol, stirring at 40 ℃, mixing the two solutions, adding 5g of glass fiber, 1g of nano zinc oxide, 45g of carbon black, 12g of white carbon black, 1g of stearic acid and 30g of natural latex, stirring and reacting for 15min, cooling, filtering, drying, adding 0.08g of dicumyl peroxide serving as a peroxide vulcanizing agent, heating to be completely melted (230 ℃), continuously stirring, and drying to obtain powder;
(2) Preparation of the tire: mixing 40g of the powder obtained in the step (1) with 70g of a rubber mixture and 8g of other auxiliary agents, banburying, extruding, calendaring, preparing and cutting curtain cloth, and forming to obtain the finished product.
The rubber mixture comprises: 35g of ethylene propylene rubber, 5g of nitrile rubber and 5g of butadiene rubber.
The other auxiliary agents are as follows: 3g of antioxidant D (butyl), 1.5g of Vaseline, 1.5g of pine tar and 2g of N-nitrosodiphenylamine.
The glass transition temperature of the material is-48 ℃, the friction coefficient of the rubber wheel and the ice surface is 107 percent and 101 percent at-5 ℃ and-10 ℃, and the tensile strength is 16.7Mpa.
Example 3
A preparation method of a tire of a driving wheel of a highway and railway dual-purpose vehicle comprises the following steps:
(1) Preparation of modified filler: respectively dissolving 0.08mol of adipic acid and 0.08mol of hexamethylenediamine in ethanol, stirring at 40 ℃, mixing the two solutions, adding 2g of glass fiber, 2g of nano zinc oxide, 40g of carbon black, 10g of white carbon black, 2g of stearic acid and 30g of natural latex, stirring and reacting for 20min, cooling, filtering, drying, adding 0.08g of dicumyl peroxide serving as a peroxide vulcanizing agent, heating to be completely melted (220 ℃), continuously stirring, and drying to obtain powder;
(2) Preparation of the tire: mixing 35g of the powder obtained in the step (1) with 75g of a rubber mixture and 5g of other auxiliary agents, banburying, extruding, calendaring, preparing and cutting curtain cloth, and forming to obtain the finished product.
The rubber mixture comprises: 25g of ethylene propylene rubber, 5g of butadiene rubber and 5g of nitrile rubber.
The other auxiliary agents are as follows: 2g of antioxidant D (butyl), 1g of Vaseline, 1g of pine tar and 1g of N-nitrosodiphenylamine.
The glass transition temperature of the material is-53 ℃, the friction coefficient of the rubber wheel and the ice surface is 117 percent and 108 percent at-5 ℃ and-10 ℃, and the tensile strength is 18.2Mpa.
Claims (9)
1. The tyre for the driving wheel of the highway and railway dual-purpose vehicle is characterized by comprising the following raw materials in parts by weight: 70-80 parts of rubber mixture, 30-40 parts of modified filler and 2-8 parts of other auxiliary agents;
the modified filler comprises, by weight, 1-5 parts of glass fiber, 35-45 parts of carbon black, 8-12 parts of white carbon black, 1-3 parts of nano zinc oxide, 1-3 parts of stearic acid and 20-30 parts of natural latex; also included are polyamides;
the polyamide is prepared by polymerization after the reaction of adipic acid and hexamethylenediamine with equal molar weight;
the quantity of adipic acid is 0.01mol to 0.05mol of carbon black: 10g.
2. The tire for driving wheels of a highway and railway vehicle according to claim 1, wherein said rubber mixture comprises: ethylene propylene rubber, nitrile rubber and butadiene rubber; the mass ratio of the ethylene propylene rubber to the butadiene rubber is 2-7:1:1, a step of; and/or the conditions for the reaction of adipic acid and hexamethylenediamine are: 40-50deg.C for 15-25min; and/or, peroxide vulcanizing agent is also added into the modified filler; preferably, the peroxide vulcanizing agent is dicumyl peroxide.
3. The tyre for driving wheels of road and rail vehicles according to claim 1 or 2, wherein the other auxiliary agents comprise one or more of an anti-aging agent, an anti-scorching agent or a plasticizer; preferably, the other auxiliary agents are plasticizers and/or antioxidants.
4. The tire for driving wheels of a highway and railway vehicle according to claim 3, wherein said anti-aging agent is a diaryl secondary amine type anti-aging agent; and/or the plasticizer is vaseline or/and pine tar; and/or the scorch retarder is a nitroso compound, preferably N-nitrosodiphenylamine.
5. A method for manufacturing a tire for a driving wheel of a highway and railway vehicle according to any one of claims 1 to 4, comprising the steps of:
(1) Preparation of modified filler: respectively dissolving adipic acid and hexamethylenediamine in ethanol under stirring, mixing the two solutions, adding glass fiber, nano zinc oxide, carbon black, white carbon black, stearic acid and natural latex, stirring for reaction, cooling, filtering, drying, heating to completely melt, adding peroxide vulcanizing agent, continuously stirring, and drying to obtain powder;
(2) Preparation of the tire: mixing the powder obtained in the step (1) with a rubber mixture and other auxiliary agents, banburying, extruding, calendaring, preparing and cutting the cord fabric, and forming to obtain the cord fabric.
6. The method of claim 5, wherein the step (1) is heated to a complete melting temperature of 200-230 ℃.
7. Use of a tyre according to any one of claims 1 to 4, as prepared by a method according to claim 5 or 6, for driving wheels of road and rail vehicles.
8. The use of claim 7, wherein said drive wheel further comprises an electrical heating means.
9. Use according to claim 7, characterized in that the heating temperature is 40-60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311512394.4A CN117659573A (en) | 2023-11-14 | 2023-11-14 | Driving wheel of highway and railway dual-purpose vehicle and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311512394.4A CN117659573A (en) | 2023-11-14 | 2023-11-14 | Driving wheel of highway and railway dual-purpose vehicle and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117659573A true CN117659573A (en) | 2024-03-08 |
Family
ID=90083602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311512394.4A Pending CN117659573A (en) | 2023-11-14 | 2023-11-14 | Driving wheel of highway and railway dual-purpose vehicle and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117659573A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111886269A (en) * | 2018-03-29 | 2020-11-03 | 株式会社可乐丽 | Block copolymer, method for producing same, and rubber composition and tire using same |
| CN111978718A (en) * | 2020-07-31 | 2020-11-24 | 苏州新华美塑料有限公司 | High-performance nylon hub and preparation method thereof |
| CN115975267A (en) * | 2022-12-29 | 2023-04-18 | 赛轮集团股份有限公司 | Rubber composition for tread of ice ground tire and preparation method thereof |
| CN116041803A (en) * | 2022-12-26 | 2023-05-02 | 中策橡胶集团股份有限公司 | Tread rubber composition of all-season tire, mixing method, application and tire |
| WO2023118760A1 (en) * | 2021-12-23 | 2023-06-29 | Arkema France | Composition comprising a thermoplastic elastomer and a crosslinked rubber powder |
-
2023
- 2023-11-14 CN CN202311512394.4A patent/CN117659573A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111886269A (en) * | 2018-03-29 | 2020-11-03 | 株式会社可乐丽 | Block copolymer, method for producing same, and rubber composition and tire using same |
| CN111978718A (en) * | 2020-07-31 | 2020-11-24 | 苏州新华美塑料有限公司 | High-performance nylon hub and preparation method thereof |
| WO2023118760A1 (en) * | 2021-12-23 | 2023-06-29 | Arkema France | Composition comprising a thermoplastic elastomer and a crosslinked rubber powder |
| CN116041803A (en) * | 2022-12-26 | 2023-05-02 | 中策橡胶集团股份有限公司 | Tread rubber composition of all-season tire, mixing method, application and tire |
| CN115975267A (en) * | 2022-12-29 | 2023-04-18 | 赛轮集团股份有限公司 | Rubber composition for tread of ice ground tire and preparation method thereof |
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