CN105399994A - Low heat generation and high thermal conductivity tire sidewall rubber composition - Google Patents
Low heat generation and high thermal conductivity tire sidewall rubber composition Download PDFInfo
- Publication number
- CN105399994A CN105399994A CN201510967683.2A CN201510967683A CN105399994A CN 105399994 A CN105399994 A CN 105399994A CN 201510967683 A CN201510967683 A CN 201510967683A CN 105399994 A CN105399994 A CN 105399994A
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- Prior art keywords
- parts
- heat
- tire sidewall
- rubber
- sidewall rubber
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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
- B60C1/0025—Compositions of the sidewalls
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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 present invention relates to the technical field of rubber, and in particular to a low heat generation and high thermal conductivity tire sidewall rubber composition. The composition is characterized by being prepared from the following raw materials by weight: 30.0-70.0 parts of natural rubber, 30.0-70.0 parts of, butadiene rubber 25.0-45.0 parts of carbon black, 5.0-25.0 parts of a composite thermally conductive filler, 3.0-5.0 parts of zinc oxide, 1.0-2.0 parts of stearic acid, 1.0-4.0 parts of tackifying resin, 1.0-3.0 parts of an antioxidant 4020, 0.5-1.5 parts of antioxidant RD, 1.0-3.0 parts of protective wax, 2.0-8.0 parts of aromatic hydrocarbon oil, 1.0-2.5 parts of sulfur, 0.5-2.0 parts of an accelerator NS, and 0-0.3 part of a scorch retarder CTP.
Description
Technical field
The present invention relates to a kind of field of rubber technology, the tire sidewall rubber combination of specifically a kind of low-heat-generation height heat conduction.
Background technology
Along with market competition is day by day fierce, the specification of quality of human consumer to tire is more and more higher, and how to extend the work-ing life of tire under dynamic mechanical condition, solution has three kinds.One is the heat-dissipating reducing tire, can realize by selecting the Synergist S-421 95s such as the rubber clone of low-heat-generation and filler; Two is the temperature capacities improving tyre stock, realizes mainly through choose reasonable vulcanization system and anti-aging agent.Three is the thermal conductivity improving tyre stock, generally by selecting suitable rubber and selecting suitable heat conductive filler to realize.First two measure is the emphasis that tyre industry is paid close attention to, and the correlative study relating to the third measure is less.
Tire sidewall is out of shape larger position as tire under dynamic mechanical condition, and hysteresis loss is comparatively large in the process of moving, is affect the work-ing life of tire and the important factor of rolling resistance.Current most of investigator only pays close attention to the heat-dissipating reducing tire sidewall and the fatigue performance improving sidewall, and does not have systematic study to the thermal conductivity improving sizing material.If by the thermal conductivity improving tire sidewall sizing material, the heat enabling it produce in the process of moving distributes the temperature capacity that must improve sizing material timely, improve Using Life of Tyre.
The patent No. is that the patents such as CN101952362B, CN103467793A, CN101628992B relate to tire sidewall, relate generally to the sidewall sizing material containing white carbon black or reclaimed rubber or ageing-resistant performance, also do not have open report for the low-heat-generation height heat conduction sidewall sizing material containing composite heat-conducting filler.
Summary of the invention
Object of the present invention is exactly to overcome above-mentioned existing technical deficiency, the tire sidewall rubber combination of a kind of low-heat-generation height heat conduction is provided, when not affecting physical and mechanical properties, the heat conductivility of tire sidewall can be significantly improved, reduce the heat-dissipating of sidewall sizing material, the work-ing life of tire can be improved.
The technical scheme that the present invention solves the problems of the technologies described above employing is: the tire sidewall rubber combination of a kind of low-heat-generation height heat conduction, it is characterized in that adopting the raw material of following portions by weight to make: natural rubber 30.0 ~ 70.0 parts, cis-1,4-polybutadiene rubber 30.0 ~ 70.0 parts, carbon black 25.0 ~ 45.0 parts, composite heat-conducting filler 5.0 ~ 25.0 parts, 3.0 ~ 5.0 parts, zinc oxide, stearic acid 1.0 ~ 2.0 parts, tackifying resin 1.0 ~ 4.0 parts, antioxidant 4020 1.0 ~ 3.0 parts, anti-aging agent RD 0.5 ~ 1.5 part, protection wax 1.0 ~ 3.0 parts, aromatic hydrocarbon oil 2.0 ~ 8.0 parts, 1.0 ~ 2.5 parts, sulphur, accelerator NS 0.5 ~ 2.0 part, anti-scorching agent CTP 0 ~ 0.3 part.
As preferably, the tire sidewall rubber combination of described low-heat-generation height heat conduction, the raw material of following portions by weight is adopted to make: natural rubber 40.0 ~ 60.0 parts, cis-1,4-polybutadiene rubber 40.0 ~ 60.0 parts, carbon black 28.0 ~ 40.0 parts, composite heat-conducting filler 8.0 ~ 20.0 parts, 3.0 ~ 5.0 parts, zinc oxide, stearic acid 1.0 ~ 2.0 parts, tackifying resin 2.0 ~ 4.0 parts, antioxidant 4020 1.0 ~ 3.0 parts, anti-aging agent RD 0.5 ~ 1.5 part, protection wax 1.0 ~ 3.0 parts, aromatic hydrocarbon oil 2.0 ~ 6.0 parts, 1.0 ~ 2.0 parts, sulphur, accelerator NS 0.5 ~ 1.5 part, anti-scorching agent CTP 0.1 ~ 0.3 part.
The mixture that wherein said composite heat-conducting filler is made up of nano zine oxide, nano barium sulfate and micron graphite, consumption is 5.0 ~ 25.0 parts.
As preferably, it is nano zine oxide 5.0 ~ 20.0 parts, nano barium sulfate 0 ~ 10.0 part and micron graphite 5.0 ~ 20.0 parts that described composite heat-conducting filler specifically forms.
The invention has the beneficial effects as follows, when not affecting physical and mechanical properties, the heat conductivility of tire sidewall can be significantly improved, reduce the heat-dissipating of sidewall sizing material, the work-ing life of tire can be improved.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Adopt feed composition of the present invention and content can prepare by existing routine techniques, concrete steps are:
First paragraph is mixing: be added in Banbury mixer GK400 by natural gum, cis-butadiene cement, carbon black, composite heat-conducting filler, zinc oxide, stearic acid, 204 resins, antioxidant 4020, anti-aging agent RD, protection wax simultaneously, be forced into 120 DEG C and propose bolt oiling, again press bolt to 155 DEG C binder removal, thin-pass twice bottom sheet in mill.
Second segment is mixing: add one section of rubber unvulcanizate, and sulphur, accelerator NS, scorch retarder, and pressure bolt keeps 30 seconds, presses bolt to 105 DEG C binder removal, thin-pass twice bottom sheet in mill after carrying bolt.
In order to the reliability of proved invention effect, the present invention contrasted with the tire glue property indices of prior art, result is as follows:
As can be seen from table 1,2,3, use tire sidewall of the present invention, the physical and mechanical propertiess such as tensile strength, tear strength, stress at definite elongation are suitable with comparative example; At 60 DEG C, dissipation factor is 0.183, lower than comparative example; Thermal conductivity is 0.302w/ (mK), higher than comparative example; Compression temperature rise is 26.3 DEG C, lower than comparative example.Illustrate that tire sidewall rubber combination of the present invention significantly improves the heat conductivility of tire sidewall, reduce the heat-dissipating of sidewall sizing material, the work-ing life of tire can be improved.
Table 1:
| Starting material | Comparative example | The present invention |
| Natural rubber | 50.0 | 50.0 |
| Cis-1,4-polybutadiene rubber | 50.0 | 50.0 |
| Carbon black | 50.0 | 36.0 |
| Heat conductive filler | 14.0 | |
| Zinc oxide | 4.0 | 4.0 |
| Stearic acid | 2.0 | 2.0 |
| Tackifying resin | 2.0 | 2.0 |
| Antioxidant 4020 | 2.0 | 2.0 |
| Protection wax | 1.5 | 1.5 |
| Anti-aging agent RD | 1.0 | 1.0 |
| Sulphur | 1.2 | 1.2 |
| Anti-scorching agent CTP | 0.2 | 0.2 |
| Accelerator NS | 0.8 | 0.8 |
| Aromatic hydrocarbon oil | 4.0 | 4.0 |
Table 2: physical and mechanical properties
Table 3: compression temperature rise, dissipation factor and thermal conductivity
| Project | Comparative example | The present invention |
| Compression temperature rise/DEG C | 30.8 | 26.3 |
| Thermal conductivity/w/ (mK) | 0.286 | 0.302 |
| 60 DEG C of dissipation factors | 0.192 | 0.183 |
| Starting material | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Natural rubber | 70.0 | 60.0 | 50.0 | 40.0 | 30.0 |
| Cis-1,4-polybutadiene rubber | 30.0 | 40.0 | 50.0 | 60.0 | 70.0 |
| Carbon black | 25.0 | 30.0 | 36.0 | 40.0 | 45.0 |
| Composite heat-conducting filler | 25.0 | 20.0 | 14.0 | 10.0 | 5.0 |
| Zinc oxide | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 |
| Stearic acid | 2.0 | 1.5 | 2.0 | 1.0 | 1.0 |
| Tackifying resin | 4.0 | 2.0 | 2.0 | 3.0 | 1.0 |
| Antioxidant 4020 | 1.0 | 1.5 | 2.0 | 3.0 | 2.5 |
| Protection wax | 1.0 | 1.5 | 1.5 | 3.0 | 2.0 |
| Anti-aging agent RD | 1.5 | 1.0 | 1.0 | 0.5 | 0.5 |
| Sulphur | 2.5 | 2.0 | 1.2 | 1.0 | 1.0 |
| Anti-scorching agent CTP | 0.3 | 0.1 | 0.2 | 0.2 | 0.2 |
| Accelerator NS | 0.5 | 1.0 | 0.8 | 1.5 | 2.0 |
| Aromatic hydrocarbon oil | 3.0 | 6.0 | 4.0 | 2.0 | 8.0 |
Claims (4)
1. the tire sidewall rubber combination of low-heat-generation height heat conduction, it is characterized in that adopting the raw material of following portions by weight to make: natural rubber 30.0 ~ 70.0 parts, cis-1,4-polybutadiene rubber 30.0 ~ 70.0 parts, carbon black 25.0 ~ 45.0 parts, composite heat-conducting filler 5.0 ~ 25.0 parts, 3.0 ~ 5.0 parts, zinc oxide, stearic acid 1.0 ~ 2.0 parts, tackifying resin 1.0 ~ 4.0 parts, antioxidant 4020 1.0 ~ 3.0 parts, anti-aging agent RD 0.5 ~ 1.5 part, protection wax 1.0 ~ 3.0 parts, aromatic hydrocarbon oil 2.0 ~ 8.0 parts, 1.0 ~ 2.5 parts, sulphur, accelerator NS 0.5 ~ 2.0 part, anti-scorching agent CTP 0 ~ 0.3 part.
2. the tire sidewall rubber combination of low-heat-generation height heat conduction according to claim 1, it is characterized in that adopting the raw material of following portions by weight to make: natural rubber 40.0 ~ 60.0 parts, cis-1,4-polybutadiene rubber 40.0 ~ 60.0 parts, carbon black 28.0 ~ 40.0 parts, composite heat-conducting filler 8.0 ~ 20.0 parts, 3.0 ~ 5.0 parts, zinc oxide, stearic acid 1.0 ~ 2.0 parts, tackifying resin 2.0 ~ 4.0 parts, antioxidant 4020 1.0 ~ 3.0 parts, anti-aging agent RD 0.5 ~ 1.5 part, protection wax 1.0 ~ 3.0 parts, aromatic hydrocarbon oil 2.0 ~ 6.0 parts, 1.0 ~ 2.0 parts, sulphur, accelerator NS 0.5 ~ 1.5 part, anti-scorching agent CTP 0.1 ~ 0.3 part.
3. the tire sidewall rubber combination of low-heat-generation height heat conduction according to claim 1, it is characterized in that adopting composite heat-conducting filler, the mixture that this heat conductive filler is made up of nano zine oxide, nano barium sulfate and micron graphite, consumption is 5.0 ~ 25.0 parts.
4. the tire sidewall rubber combination of low-heat-generation height heat conduction according to claim 3, it is characterized in that the composite heat-conducting filler adopting nano zine oxide, nano barium sulfate and micron graphite composition, it is nano zine oxide 5.0 ~ 20.0 parts, nano barium sulfate 0 ~ 10.0 part and micron graphite 5.0 ~ 20.0 parts that this heat conductive filler specifically forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967683.2A CN105399994A (en) | 2015-12-22 | 2015-12-22 | Low heat generation and high thermal conductivity tire sidewall rubber composition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967683.2A CN105399994A (en) | 2015-12-22 | 2015-12-22 | Low heat generation and high thermal conductivity tire sidewall rubber composition |
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| Publication Number | Publication Date |
|---|---|
| CN105399994A true CN105399994A (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510967683.2A Pending CN105399994A (en) | 2015-12-22 | 2015-12-22 | Low heat generation and high thermal conductivity tire sidewall rubber composition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106046439A (en) * | 2016-06-30 | 2016-10-26 | 高海燕 | Rubber composition for aging-resistant tire |
| CN106046444A (en) * | 2016-07-26 | 2016-10-26 | 双钱集团（江苏）轮胎有限公司 | Special rubber material for side walls of tires |
| CN107365437A (en) * | 2017-09-11 | 2017-11-21 | 三角轮胎股份有限公司 | Ageing-resistant non-discolouring tire sidewall rubber composition |
| CN107474338A (en) * | 2017-09-18 | 2017-12-15 | 江苏通用科技股份有限公司 | Tire sidewall glue sizing material using environment-friendly type high intensity power reclaimed rubber and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101443402A (en) * | 2006-05-17 | 2009-05-27 | 住友橡胶工业株式会社 | Rubber composition for sidewall and tire having the sidewall using the rubber composition |
| CN101942122A (en) * | 2010-10-21 | 2011-01-12 | 中北大学 | Heat-conduction natural rubber composite and preparation method thereof |
| CN102492186A (en) * | 2011-12-08 | 2012-06-13 | 四川凯力威科技股份有限公司 | Composite sidewall filling rubber formula rubber material for all-steel radial tire |
| CN102898692A (en) * | 2012-11-02 | 2013-01-30 | 北京化工大学 | Shoulder wedge composite material and manufacturing method thereof |
| CN103497363A (en) * | 2013-08-27 | 2014-01-08 | 山东永泰化工有限公司 | Radial tire shoulder rubber composition |
-
2015
- 2015-12-22 CN CN201510967683.2A patent/CN105399994A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101443402A (en) * | 2006-05-17 | 2009-05-27 | 住友橡胶工业株式会社 | Rubber composition for sidewall and tire having the sidewall using the rubber composition |
| CN101942122A (en) * | 2010-10-21 | 2011-01-12 | 中北大学 | Heat-conduction natural rubber composite and preparation method thereof |
| CN102492186A (en) * | 2011-12-08 | 2012-06-13 | 四川凯力威科技股份有限公司 | Composite sidewall filling rubber formula rubber material for all-steel radial tire |
| CN102898692A (en) * | 2012-11-02 | 2013-01-30 | 北京化工大学 | Shoulder wedge composite material and manufacturing method thereof |
| CN103497363A (en) * | 2013-08-27 | 2014-01-08 | 山东永泰化工有限公司 | Radial tire shoulder rubber composition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106046439A (en) * | 2016-06-30 | 2016-10-26 | 高海燕 | Rubber composition for aging-resistant tire |
| CN106046444A (en) * | 2016-07-26 | 2016-10-26 | 双钱集团（江苏）轮胎有限公司 | Special rubber material for side walls of tires |
| CN107365437A (en) * | 2017-09-11 | 2017-11-21 | 三角轮胎股份有限公司 | Ageing-resistant non-discolouring tire sidewall rubber composition |
| CN107474338A (en) * | 2017-09-18 | 2017-12-15 | 江苏通用科技股份有限公司 | Tire sidewall glue sizing material using environment-friendly type high intensity power reclaimed rubber and preparation method thereof |
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Application publication date: 20160316 |
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