CN104341625A - Super-wear-resistant bus tread rubber material - Google Patents
Super-wear-resistant bus tread rubber material Download PDFInfo
- Publication number
- CN104341625A CN104341625A CN201310336388.8A CN201310336388A CN104341625A CN 104341625 A CN104341625 A CN 104341625A CN 201310336388 A CN201310336388 A CN 201310336388A CN 104341625 A CN104341625 A CN 104341625A
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- China
- Prior art keywords
- aging agent
- trans
- organic filler
- butadienecopolymer
- antioxidant
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- 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
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a super-wear-resistant bus tread rubber material which comprises the following components: 100-50phr of cis-1, 4-polyisoprene rubber, 0-50phr of cis-butadiene-trans-butadiene copolymer, 3.0phr of octyl phenolic tackifying resin, 55-75phr of organic filler, 1.0phr of antioxidant RD, 1.0phr of antioxidant microcrystalline wax, 2.0phr of stearic acid, 3.5phr of zinc oxide, 2.0phr of sulfur, 1.0phr of accelerator and 1.0phr of antioxidant 4020. The rubber composition of the invention is added with the organic filler, so that the abrasion performance, the tensile performance and the fatigue resistance of the tread are obviously improved.
Description
Technical field
The present invention relates to a kind of tire tread compound, particularly relate to a kind of tread mix for bus tire.
Background technology
Because natural rubber has best bond properties, and synthetic rubber has outstanding abrasion resistance, thus all-steel radial tyre tread rubber generally adopt natural rubber and synthetic rubber and rubber system.Natural rubber in existing tread glue formula and elastomeric ratio are 70/30, and Akron abrasion is 0.15cm
3/ 1.61km, wear resisting property is general.Wear hardness is by Akron abrasion machine, and stroke is 1.61 kilometers.Reported values is less, means that wear resisting property is higher.Although synthetic rubber is widely used for improving wear hardness in the tread, it brings counter productive simultaneously, and namely strength and extension property is deteriorated.Use the reinforced filling of more parts can improve strength and extension property and wear hardness, but again reduce the anti-fatigue performance of sizing material thereupon.
For improving wear resisting property, usually in rubber, adding the most general reinforced filling of the industry, i.e. carbon black, because carbon black and rubber have high physical adsorption ability, therefore bringing high wear hardness adding of carbon black.And in prior art, the carbon black as tyre surface rank generally has: iodine absorption value is in more than 110g/kg, DBP absorption value at 110 × more than 10-5m3/kg, and N2 adsorption specific surface area is at 110 × more than 103m2/kg; Generally believe that the wear resisting property of the carbon black of high iodine absorption value, high DBP absorption value, high N2 adsorption specific surface area is better.Often use N234 carbon black in tread glue formula conventional at present, its iodine absorption value is 120g/kg, DBP absorption value is 125 × 10-5m3/kg, and N2 adsorption specific surface area is 126 × 103m2/kg, but its wear resisting property is unoutstanding.A such as conventional at present sizing compound formula (calling contrast sample in the following text) is as follows: along 1,4-polyisoprene rubber 80phr, cis divinyl-trans butadienecopolymer 20phr, carbon black N234 accounts for 55phr, resol 3.0phr, antioxidant 4020 accounts for 1.0phr, and anti-aging agent RD accounts for 1.0phr, anti-aging agent Microcrystalline Wax 1.0phr, stearic acid 2.0phr, zinc oxide 3.5phr, sulphur 2.0phr, promotor 1.0phr.
Summary of the invention
The technical problem to be solved in the present invention is to provide the high bus tire tread compound of a kind of wear resisting property.
The present invention is achieved through the following technical solutions: super abrasive public transport tread mix of the present invention, comprises following composition:
Along Isosorbide-5-Nitrae-polyisoprene rubber 100-50phr cis divinyl-trans butadienecopolymer 0-50phr
Resol 3.0phr organic filler 55-75phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 1.0phr promotor 1.0phr
Antioxidant 4020 1.0phr
Preferably, in super abrasive public transport tread mix of the present invention, along Isosorbide-5-Nitrae-polyisoprene rubber 100phr, organic filler 55phr.
Preferably, in super abrasive public transport tread mix of the present invention, along Isosorbide-5-Nitrae-polyisoprene rubber 80phr, cis divinyl-trans butadienecopolymer 20phr, organic filler 55phr.
Preferably, in super abrasive public transport tread mix of the present invention, along Isosorbide-5-Nitrae-polyisoprene rubber 50phr, cis divinyl-trans butadienecopolymer 50phr, organic filler 55phr.
Preferably, in super abrasive public transport tread mix of the present invention, along Isosorbide-5-Nitrae-polyisoprene rubber 80phr, cis divinyl-trans butadienecopolymer 20phr, organic filler 65phr.
Preferably, in super abrasive public transport tread mix of the present invention, along Isosorbide-5-Nitrae-polyisoprene rubber 80phr, cis divinyl-trans butadienecopolymer 20phr, organic filler 75phr.
Preferably, in super abrasive public transport tread mix of the present invention, the basic synthetic rubber based on the cis butadiene of cis divinyl-trans butadienecopolymer to be cis divinyl-trans butadienecopolymer be more than 98wt%, the trans butadiene of below 2wt%.
Preferably, at super abrasive public transport tread mix of the present invention, the iodine absorption value of organic filler in more than 120g/kg, DBP absorption value 100 × 10
-5m
3/ more than kg, N2 adsorption specific surface area is 120 × 10
3m
2/ more than kg.
Compared with prior art, the present invention has following technological merit: super abrasive public transport tread mix of the present invention adds organic filler, make the wear hardness of tyre surface, strength and extension property and anti-fatigue performance be improved significantly.
Embodiment
The mixing rubber compounding art method known to the skilled that adopts of super abrasive public transport tread mix of the present invention completes.Such as under normal conditions, each component is carried out mixing at least two stages, i.e. at least one unproductive mix stage, subsequently a productivity mix stage.Rubber and fluoropolymer resin carry out mixing in one or more unproductive mix stage.
Super abrasive public transport tread mix of the present invention consists of the following composition:
Along Isosorbide-5-Nitrae-polyisoprene rubber 100-50phr cis divinyl-trans butadienecopolymer 0-50phr
Resol 3.0phr organic filler 55-75phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 1.0phr promotor 1.0phr
Antioxidant 4020 1.0phr
Cis divinyl-trans butadienecopolymer is the basic synthetic rubber based on the trans butadiene of the cis butadiene of more than 98wt%, below 2wt%.The iodine absorption value of organic filler in more than 120g/kg, DBP absorption value 100 × 10
-5m
3/ more than kg, N2 adsorption specific surface area is 120 × 10
3m
2/ more than kg, this organic filler add the wear resisting property being conducive to public transport tire tread.
Super abrasive public transport tread mix of the present invention is prepared, the reinforced mix stage that preparation process takes three to separate, that is, two unproductive mix stage and a productivity mix stage in BR Banbury Banbury mixer.Two non-productive stage carry out the mixing of about 2-3min respectively, until rubber temperature reaches 160 DEG C, namely complete.The mixing time in productivity stage is the time making rubber temperature reach 115 DEG C.
Example 1
Along Isosorbide-5-Nitrae-polyisoprene rubber 100phr antioxidant 4020 1.0phr
Resol 3.0phr organic filler 55phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Example 2
Along Isosorbide-5-Nitrae-polyisoprene rubber 80phr cis divinyl-trans butadienecopolymer 20phr
Resol 3.0phr organic filler 55phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Antioxidant 4020 1.0phr
Example 3
Along Isosorbide-5-Nitrae-polyisoprene rubber 50phr cis divinyl-trans butadienecopolymer 50phr
Resol 3.0phr organic filler 55phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Antioxidant 4020 1.0phr
Example 4
Along Isosorbide-5-Nitrae-polyisoprene rubber 80phr cis divinyl-trans butadienecopolymer 20phr
Resol 3.0phr organic filler 65phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Antioxidant 4020 1.0phr
Example 5
Along Isosorbide-5-Nitrae-polyisoprene rubber 80phr cis divinyl-trans butadienecopolymer 20phr
Resol 3.0phr organic filler 75phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Antioxidant 4020 1.0phr
Table 1, table 3 illustrate the formula contrasting sample in formula of the present invention and prior art, and all samples of example 1-5 are about 40min about 151 DEG C of sulfurations.Table 2, table 4 show the apparent of the cured samples of example 1-5 and physicals.
Table 1
Table 2
Table 3
Table 4
| 151 DEG C of * 30min sulfuration | Example 2 | Example 4 | Example 5 |
| AKRON abrasion/cm3 | 0.10 | 0.08 | 0.05 |
| Tensile strength/Mpa | 27.0 | 27.5 | 28.0 |
| Elongation/% | 600.0 | 550.0 | 450 |
These results show, employ natural in after Isosorbide-5-Nitrae-polyisoprene rubber, cis divinyl-trans butadienecopolymer and reinforcing organic filler in tread-rubber, can make the wear hardness of tyre surface, strength and extension property and anti-fatigue performance be improved significantly.Wear hardness is by Akron abrasion machine, and stroke is 1.61 kilometers.Reported values is less, means that wear resisting property is higher.Tensile strength can be carried out according to the acceptable tensile strength testing method of tire industry.Reported values is higher, means that strength and extension property is higher.Elongation can carry out according to the acceptable test of elongation rate method of tire industry.Reported values is higher, means that anti-fatigue performance is higher.
Claims (8)
1. a super abrasive public transport tread mix, is characterized in that: comprise following composition:
Along Isosorbide-5-Nitrae-polyisoprene rubber 100-50phr cis divinyl-trans butadienecopolymer 0-50phr
Resol 3.0phr organic filler 55-75phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 1.0phr promotor 1.0phr
Antioxidant 4020 1.0phr..
2. super abrasive public transport tread mix as claimed in claim 1, is characterized in that: comprise following composition:
Along Isosorbide-5-Nitrae-polyisoprene rubber 100phr antioxidant 4020 1.0phr
Resol 3.0phr organic filler 55phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr.
3. super abrasive public transport tread mix as claimed in claim 1, is characterized in that: comprise following composition:
Along Isosorbide-5-Nitrae-polyisoprene rubber 80phr cis divinyl-trans butadienecopolymer 20phr
Resol 3.0phr organic filler 55phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Antioxidant 4020 1.0phr.
4. super abrasive public transport tread mix as claimed in claim 1, is characterized in that: comprise following composition:
Along Isosorbide-5-Nitrae-polyisoprene rubber 50phr cis divinyl-trans butadienecopolymer 50phr
Resol 3.0phr organic filler 55phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Antioxidant 4020 1.0phr.
5. super abrasive public transport tread mix as claimed in claim 1, is characterized in that: comprise following composition:
Along Isosorbide-5-Nitrae-polyisoprene rubber 80phr cis divinyl-trans butadienecopolymer 20phr
Resol 3.0phr organic filler 65phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Antioxidant 4020 1.0phr.
6. super abrasive public transport tread mix as claimed in claim 1, is characterized in that: comprise following composition:
Along Isosorbide-5-Nitrae-polyisoprene rubber 80phr cis divinyl-trans butadienecopolymer 20phr
Resol 3.0phr organic filler 75phr
Anti-aging agent RD 1.0phr anti-aging agent Microcrystalline Wax 1.0phr
Stearic acid 2.0phr zinc oxide 3.5phr
Sulphur 2.0phr promotor 1.0phr
Antioxidant 4020 1.0phr.
7. super abrasive public transport tread mix as claimed in claim 1, is characterized in that: the basic synthetic rubber based on the cis butadiene of described cis divinyl-trans butadienecopolymer to be cis divinyl-trans butadienecopolymer be more than 98wt%, the trans butadiene of below 2wt%.
8. super abrasive public transport tread mix as claimed in claim 1, is characterized in that: the iodine absorption value of described organic filler in more than 120g/kg, DBP absorption value 100 × 10
-5m
3/ more than kg, N2 adsorption specific surface area is 120 × 10
3m
2/ more than kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336388.8A CN104341625A (en) | 2013-08-05 | 2013-08-05 | Super-wear-resistant bus tread rubber material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336388.8A CN104341625A (en) | 2013-08-05 | 2013-08-05 | Super-wear-resistant bus tread rubber material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104341625A true CN104341625A (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310336388.8A Pending CN104341625A (en) | 2013-08-05 | 2013-08-05 | Super-wear-resistant bus tread rubber material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216066A (en) * | 2022-07-15 | 2022-10-21 | 山东玲珑轮胎股份有限公司 | High-strength aviation radial tire tread rubber material and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10287772A (en) * | 1997-04-14 | 1998-10-27 | Asahi Carbon Kk | Carbon black for tire tread compound |
| US20040162382A1 (en) * | 2003-02-17 | 2004-08-19 | Steiner Pascal Patrick | Tire with tread of natural rubber-rich rubber composition |
| US20090069474A1 (en) * | 2007-09-10 | 2009-03-12 | Paul Harry Sandstrom | Tire with tread having enhanced wet traction |
| CN102634091A (en) * | 2012-05-02 | 2012-08-15 | 三角轮胎股份有限公司 | Tread rubber composition for tire of scraper used for underground mining |
| CN102850602A (en) * | 2011-06-27 | 2013-01-02 | 太仓冠联高分子材料有限公司 | Tire rubber and its preparation method |
| CN103189436A (en) * | 2010-07-07 | 2013-07-03 | 大陆轮胎德国有限公司 | Rubber blend |
-
2013
- 2013-08-05 CN CN201310336388.8A patent/CN104341625A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10287772A (en) * | 1997-04-14 | 1998-10-27 | Asahi Carbon Kk | Carbon black for tire tread compound |
| US20040162382A1 (en) * | 2003-02-17 | 2004-08-19 | Steiner Pascal Patrick | Tire with tread of natural rubber-rich rubber composition |
| US20090069474A1 (en) * | 2007-09-10 | 2009-03-12 | Paul Harry Sandstrom | Tire with tread having enhanced wet traction |
| CN103189436A (en) * | 2010-07-07 | 2013-07-03 | 大陆轮胎德国有限公司 | Rubber blend |
| CN102850602A (en) * | 2011-06-27 | 2013-01-02 | 太仓冠联高分子材料有限公司 | Tire rubber and its preparation method |
| CN102634091A (en) * | 2012-05-02 | 2012-08-15 | 三角轮胎股份有限公司 | Tread rubber composition for tire of scraper used for underground mining |
Non-Patent Citations (1)
| Title |
|---|
| 中国化工学会橡胶专业委员会: "《橡胶助剂手册》", 30 April 2000, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216066A (en) * | 2022-07-15 | 2022-10-21 | 山东玲珑轮胎股份有限公司 | High-strength aviation radial tire tread rubber material and preparation method and application thereof |
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Application publication date: 20150211 |