CN106046440A - Crack-proof mountain tread rubber and preparation method thereof - Google Patents
Crack-proof mountain tread rubber and preparation method thereof Download PDFInfo
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- CN106046440A CN106046440A CN201610514856.XA CN201610514856A CN106046440A CN 106046440 A CN106046440 A CN 106046440A CN 201610514856 A CN201610514856 A CN 201610514856A CN 106046440 A CN106046440 A CN 106046440A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention belongs to the technical field of tire manufacturing and particularly relates to crack-proof mountain tread rubber. The crack-proof mountain tread rubber is prepared from, by weight, 10-35 parts of solution polymerized butadiene styrene rubber, 45-100 parts of natural rubber, 10-15 parts of butadiene rubber, 2-8 parts of zinc oxide, 1-5 parts of stearic acid, 1-5 parts of an antiager, 2-5 parts of protective wax, 2-10 parts of anti-tear resin, 2-10 parts of a softener, 6-12 parts of white carbon black, 35-65 parts of carbon black, 0.6-1.2 parts of a silane coupling agent, 2-7 parts of sulfur and 3.0-12.5 parts of an accelerant. By the formulation, high plasticity and compatibility in a rubber processing process can be realized, uniform dispersion of fillers in rubber is facilitated, rubber extrusion process conditions and rubber fluidity are improved, and the rubber is smooth and flat in surface, excellent in adhesion performance and less prone to scorching after extrusion. Furthermore, abrasion resistance, tensile strength and stress at definite elongation of the rubber can be improved remarkably, and especially tear resistance is improved greatly; elongation of vulcanized rubber is increased, and accordingly the defect of cracks of the mountain tread rubber can be improved.
Description
Technical field
The invention belongs to tire manufacturing techniques field, be specifically related to mountain region tire tread glue and the preparation side thereof of a kind of anti-slight crack
Method.
Background technology
In recent years, along with the raising of life of urban resident level, the people having private car gets more and more.Motor-cross conduct
One great challenge and the sports of full risk, more and more higher in degree in one's favour among the people, mountain region tire is increasingly subject to
People like.The road surface major part travelled due to offroad vehicle is slob, gravel road, the most severe road such as uneven
Face, so the highest to mountain region tire tread performance requirement, has excellent antiskid performance, tear resistance, anti-scarfing performance, resistance to
Mill performance.
Existing mountain region tire finds that after a period of time is exercised on more severe road surface tyre surface has fracture phenomenon.Analyze it former
Because mountain region tire tread glue tear resistance difference causes tyre surface to have fracture phenomenon.
The open a kind of high-performance tire rubber composition of document CN105218902A and production technology thereof, said composition,
It is composed of the following raw materials by weight: Butadiene-Styrene Rubber 60～100, high-cis-1,4-nickel system or neodymium series cis-butadiene cement 0～20, natural
Glue 0～20, super abrasive white carbon black 0～20, oligomeric high dispersive type silicon dioxide 50～110, silane coupler 5～15, TDAE oil 0～
40, zinc oxide 2.0～5.5, stearic acid 1.0～3.5, pre dispersed sulfur 1.0～3.5, predispersed accelerator 2.0～6.0, anti-old
Agent 0.5-2.0.The tire of this invention tyre surface formula is in wet-sliding resistant performance, braking distance, bend performance and high stability side
Face better performances, but its tear resistance in mountain region and anti-wear performance have much room for improvement.Document CN103435871A discloses
A kind of motor tyre casing tread rubber.The motor tyre casing tread rubber of the present invention, is made up of following raw material: natural rubber, fourth
Benzene rubber, zinc oxide, stearic acid, antioxidant 4010NA, antioxidant H, protection wax, intermediate super abrasion furnace black, silane coupler, two sweet
Alcohol, petroleum line softener, accelerant NOBS, altax, accelerant CZ, sulfur.The motor tyre casing tread rubber of this invention
Pavement conditions is poor and uses under the conditions of fair speed in particularly suitable work progress, this tread rubber has certain resistance to cut
Cut, resistance to puncture, cracking resistance mouth extend and anti tear falls block performance, but it is applied to mountain tire, its wearability and tear resistance
It need to improve further.
Summary of the invention
It is an object of the invention to provide a kind of anti-mountain region tire tread and have the tread rubber of automobile tires of fracture phenomenon, improve half
Steel radial tire tread slight crack problem.
The technical scheme is that the mountain region tire tread glue of a kind of anti-slight crack, including the component of following portions by weight:
Described accelerator is in accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and TM monex TM
One or more, preferably accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and TM monex TM, the weight of three
Amount ratio is 1-3:0.5-2.5:0.3-2.5:1-3:0.2-1.5.Research finds, uses accelerator NS, accelerator CBS, accelerator
DPG, accelerant MBT S and five kinds of accelerator of TM monex TM compound, and have synergism, can effectively improve tread rubber
Performance, improves mechanical performance and the ageing-resistant performance of tread rubber.
Preferably, the mountain region tire tread glue of a kind of anti-slight crack, including the component of following portions by weight:
It is further preferred that the mountain region tire tread glue of a kind of anti-slight crack, including the component of following portions by weight:
Described natural rubber is 20# standard natural rubber.
Described Sulfur from Sulphur content >=80wt%, can improve stress at definite elongation, hot strength and anti-wear performance, sulfur addition
Too much or very few over cure or the bloom of easily causing, the most suitable sulfur addition is conducive to the raising of the performance of tread rubber.
Preferably, described Sulfur from Sulphur content >=95wt%.
Described age resistor is N-phenyl-α-aniline, N-phenyl-N '-isopropyl-p-phenylenediamine, N-N '-diphenyl-right
At least one in phenylenediamine and antioxidant 4020.
Described anti tear resin is HR-801 aliphatic hydrocarbon resin and hydrocarbon resins that AP-260 main body is band functional group
In one or both.
Described softening agent is one or both in C5 resin and C9 resin.
The density of described tread rubber is 1.05-1.10kg/dm3。
The preparation method of the mountain region tire tread glue of a kind of anti-slight crack, comprises the following steps:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by mixing to the film cooled down, sulfur and accelerator, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
The present invention, by adjusting the content of each components such as poly-butadiene-styrene rubber, natural rubber, cis-butadiene cement and accelerator, adjusts anti-tear
The consumption of crack resin, improves the tear resistance of tread rubber.Tread rubber of the present invention has good plasticity in the course of processing,
Good with rubber compatibility, beneficially dispersed in sizing material of filler, improves sizing material expressing technique condition and rubber mobility,
Sizing material expression surface is smooth, viscosity good, be not easy incipient scorch.The tread rubber of the present invention can significantly improve tire wearability,
Hot strength and stress at definite elongation, especially tear resistance are greatly improved, and the percentage elongation of vulcanizate improves simultaneously, mountain region tire tread
Glue fracture phenomenon be improved significantly.
Detailed description of the invention
Embodiment 1
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=95wt%；
Age resistor is N-phenyl-α-aniline and antioxidant 4020, and the weight ratio of the two is 1:2.
Anti tear resin is HR-801 aliphatic hydrocarbon resin.
The density of the tread rubber prepared by the present embodiment is 1.090kg/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Embodiment 2
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=95wt%；
Age resistor is N-phenyl-α-aniline.
Anti tear resin be AP-260 main body be the hydrocarbon resins of band functional group.
The density of the tread rubber prepared by the present embodiment is 1.093/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Embodiment 3
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=95wt%；
Age resistor is N-phenyl-N '-isopropyl-p-phenylenediamine.
Anti tear resin is HR-801 aliphatic hydrocarbon resin and hydrocarbon resins that AP-260 main body is band functional group.
The density of the tread rubber prepared by the present embodiment is 1.087kg/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Embodiment 4
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=80wt%；
Age resistor is N-N '-diphenyl-p-phenylenediamine.
Anti tear resin is HR-801 aliphatic hydrocarbon resin.
The density of the tread rubber prepared by the present embodiment is 1.085kg/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Embodiment 5
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=95wt%；
Age resistor is antioxidant 4020.
Anti tear resin is HR-801 aliphatic hydrocarbon resin.
The density of the tread rubber prepared by the present embodiment is 1.094kg/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Embodiment 6
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=80wt%；
Age resistor is in N-N '-diphenyl-p-phenylenediamine and antioxidant 4020, and the weight ratio of the two is 1:2.
Anti tear resin be AP-260 main body be the hydrocarbon resins of band functional group.
The density of the tread rubber prepared by the present embodiment is 1.086kg/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Comparative example 1
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=95wt%；
Age resistor is N-phenyl-α-aniline and antioxidant 4020, and the weight ratio of the two is 1:2.
Anti tear resin is HR-801 aliphatic hydrocarbon resin.
The density of the tread rubber prepared by the present embodiment is 1.090kg/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Comparative example 2
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=95wt%；
Age resistor is N-phenyl-α-aniline and antioxidant 4020, and the weight ratio of the two is 1:2.
Anti tear resin is HR-801 aliphatic hydrocarbon resin.
The density of the tread rubber prepared by the present embodiment is 1.090kg/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Comparative example 3
A kind of mountain region tire tread glue of anti-slight crack, including the component of following portions by weight:
Wherein, natural rubber is 20# standard natural rubber；
Sulfur from Sulphur content >=95wt%；
Age resistor is N-phenyl-α-aniline and antioxidant 4020, and the weight ratio of the two is 1:2.
Anti tear resin is HR-801 aliphatic hydrocarbon resin.
The density of the tread rubber prepared by the present embodiment is 1.090kg/dm3。
According to the proportioning of above-mentioned tread rubber, make to prepare as follows:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear tree are taken
Fat, White Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by the film cooled down, sulfur, accelerator NS, accelerator CBS, diphenylguanidine PG, accelerant MBT S and promotion
Agent TMTM is mixing, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
Checking embodiment
1. embodiment 1, embodiment 6 carry out contrast test with comparative example 1-3.
Test requirements document: individually deposit finished tire and carry out mark, test period is 15 days, first 15 days of statistical test and examination
Testing the sizing material tear strength data started in 15 days, to carry out comparing result as shown in table 1.
Different formulations sizing material tearing strength experimental data is added up by table 1.
2. finished product tire machine tool capability test, extracts embodiment 1, the tread rubber of embodiment 6 and contrast during bulge test
The finished product tire that the tread rubber of example 1-3 makes carries out indoor high-speed test, and result of the test is as shown in table 2.
High-speed performance test result in table 2. finished product proloculum
From table 1 and 2, the tread rubber of the present invention is substantially better than comparative example, and the tearing strength of the tread rubber of the present invention is high,
Tire anti-tyre surface slight crack is obviously improved, and prepared finished product mold has the high speed performance of excellence, and tread rubber wearability is good.
Mountain region tire tread glue of a kind of anti-slight crack provided the embodiment of the present invention above and preparation method thereof, is carried out
Being discussed in detail, principle and the real .. mode of the present invention are set forth by specific case used herein, above example
Method and the core concept thereof being only intended to help to understand the present invention is described；Simultaneously for one of ordinary skill in the art, depend on
According to the thought of the present invention, the most all will change, in sum, this specification content
Should not be construed as limitation of the present invention.
Claims (10)
1. the mountain region tire tread glue of an anti-slight crack, it is characterised in that include the component of following portions by weight:
Tread rubber the most according to claim 1, it is characterised in that described accelerator be accelerator NS, accelerator CBS,
One or more in diphenylguanidine PG, accelerant MBT S and TM monex TM；It is preferably accelerator NS, accelerator CBS, promotion
Agent DPG, accelerant MBT S and TM monex TM, the weight ratio of three is 1-3:0.5-2.5:0.3-2.5:1-3:0.2-1.5.
3. the mountain region tire tread glue of an anti-slight crack, it is characterised in that include the component of following portions by weight:
4. the mountain region tire tread glue of an anti-slight crack, it is characterised in that include the component of following portions by weight:
5. according to the tread rubber described in any one of claim 1-4, it is characterised in that described Sulfur from Sulphur content >=80wt%.
6. according to the tread rubber described in any one of claim 1-4, it is characterised in that according to described age resistor be N-phenyl-
In α-aniline, N-phenyl-N '-isopropyl-p-phenylenediamine, N-N '-diphenyl-p-phenylenediamine and antioxidant 4020 at least one
Kind.
7. according to the tread rubber described in any one of claim 1-4, it is characterised in that described anti tear resin is HR-801 fat
One or both in race's hydrocarbon resin and hydrocarbon resins that AP-260 main body is band functional group.
8. according to the tread rubber described in any one of claim 1-4, it is characterised in that described softening agent is C5 resin and C9 resin
In one or both.
9. according to the tread rubber described in any one of claim 1-4, it is characterised in that the density of described tread rubber is 1.05-
1.10kg/dm3。
10. the preparation method of the mountain region tire tread glue of an anti-slight crack, it is characterised in that comprise the following steps:
A. masterbatching
A1. Butadiene-Styrene Rubber, natural rubber, cis-butadiene cement, zinc oxide, stearic acid, age resistor, protection wax, anti tear resin, white is taken
Carbon black and silane coupler add to mixer mixing, mixing 1-2min；
A2. white carbon black and softening agent, mixing 2-3min are added；
A3. tabletting；
A4. cool down water cooling, obtain film；
B. refining eventually
B1. by mixing to the film cooled down, sulfur and accelerator, melting temperature 65-75 DEG C, mixing 2-3min；
B2. tabletting；
B3. cool down water cooling, obtain tread rubber.
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Cited By (6)
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| CN106883468A (en) * | 2017-05-05 | 2017-06-23 | 江苏通用科技股份有限公司 | All steel super abrasive tread glue formula sizing material and preparation method thereof |
| CN107216499A (en) * | 2017-06-12 | 2017-09-29 | 江苏通用科技股份有限公司 | All steel super abrasive tread glue formula sizing material and preparation method thereof |
| CN108727650A (en) * | 2018-06-15 | 2018-11-02 | 三浦橡胶（无锡）有限公司 | A kind of resistance to ozone tread rubber and preparation method thereof |
| CN110036064A (en) * | 2016-10-31 | 2019-07-19 | 胡陈定 | The rubber damping composition of high hysteresis quality |
| CN110628091A (en) * | 2019-09-06 | 2019-12-31 | 芜湖集拓实心胎有限公司 | Puncture-resistant engineering solid tire |
| CN112876749A (en) * | 2021-01-25 | 2021-06-01 | 三角轮胎股份有限公司 | Off-road crown rubber composition and tire |
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| CN110036064A (en) * | 2016-10-31 | 2019-07-19 | 胡陈定 | The rubber damping composition of high hysteresis quality |
| CN106883468A (en) * | 2017-05-05 | 2017-06-23 | 江苏通用科技股份有限公司 | All steel super abrasive tread glue formula sizing material and preparation method thereof |
| CN107216499A (en) * | 2017-06-12 | 2017-09-29 | 江苏通用科技股份有限公司 | All steel super abrasive tread glue formula sizing material and preparation method thereof |
| CN108727650A (en) * | 2018-06-15 | 2018-11-02 | 三浦橡胶（无锡）有限公司 | A kind of resistance to ozone tread rubber and preparation method thereof |
| CN110628091A (en) * | 2019-09-06 | 2019-12-31 | 芜湖集拓实心胎有限公司 | Puncture-resistant engineering solid tire |
| CN112876749A (en) * | 2021-01-25 | 2021-06-01 | 三角轮胎股份有限公司 | Off-road crown rubber composition and tire |
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