CN106566015A - Rubber composition of tire tread and application of rubber composition - Google Patents
Rubber composition of tire tread and application of rubber composition Download PDFInfo
- Publication number
- CN106566015A CN106566015A CN201611009773.1A CN201611009773A CN106566015A CN 106566015 A CN106566015 A CN 106566015A CN 201611009773 A CN201611009773 A CN 201611009773A CN 106566015 A CN106566015 A CN 106566015A
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- CN
- China
- Prior art keywords
- rubber
- rubber composition
- oil
- polydiene
- butadiene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a colorful rubber composition of a tire tread. The rubber composition of the tired tread of a colorful tire forms a main protective system through matrix rubber; through balancing section of the matrix rubber, basic usage performances of the rubber are guaranteed; tread rubber prepared by the rubber composition is colorful in appearance color, and is not liable to change color. According to the experimental results, vulcanizate properties and dynamic ozone aging characteristics of the obtained rubber composition can be kept to be free of racks within 48 hours under ozone concentration being 50 pphm; tensile strength can reach 18 MPa; and wear mileage of a tire prepared by the rubber composition provided by the invention can be more than 0.04 million km.
Description
Technical field
The present invention relates to tyre technology, more particularly to a kind of rubber composition and its application of tire tread.
Background technology
Traditional automobile tire is usually black, in appearance uniqueness not attractive in appearance enough.Color tyre is produced using colored sizing material,
Novel appearance is unique, great individual character.However, in order to obtain bright sizing material, compared with conventional black sizing material, coloured glue is not
The material of contaminative can be used, especially the age resistor of contaminative, but, age resistor is not contained in sizing material, in performance and ozone
The level of conventional black sizing material is extremely difficult in aging protection.
At present, color tyre tread mix generally adds more uncontamination chemical antiager carries out aging protection, but non-
It is weaker that Pollution Chemistry age resistor is particularly the aging protective action of dynamic ozone to ozone aging, can not reach sufficiently dynamic smelly
Oxygen aging protection effect；And after using a period of time, easily there is the problem for changing colour in colored sizing material.Thus, offer is needed badly a kind of
Aging protection effect is good, and the colorful rubber composition of not allochroic tire tread.
The content of the invention
Present invention solves the technical problem that be that a kind of colorful rubber composition is provided, the building rubber compound provided by the application
The tire tread that thing is obtained is colored not easy to change, and aging protection effect is good.
In view of this, this application provides a kind of rubber composition of tire tread, including：
Described matrix rubber includes one or two in halogenated butyl rubber and ethylene-propylene diene copolymer and polydiene；It is described
Rubber composition is colour.
Preferably, the base rubber of 100 weight portion includes the polydiene of 30～70 weight portions and the halogen of surplus
Change butyl rubber.
Preferably, the base rubber of 100 weight portion includes polydiene, 20～50 weight of 30～70 weight portions
Part halogenated butyl rubber and more than the 0 and no more than ethylene-propylene diene copolymer of 30 weight portions.
Preferably, the base rubber of 100 weight portion includes the polydiene of 50～90 weight portions and the three of surplus
The glue of first second third.
Preferably, the polydiene is natural rubber or butadiene-styrene rubber；The natural rubber is light color mark glue or cigarette
Piece glue；The butadiene-styrene rubber is oil-filled solution polymerized butadiene styrene rubber, oil-filled emulsion polymerized styrene butadiene rubber, not oil-filled solution polymerized butadiene styrene rubber
Or not oil-filled emulsion polymerized styrene butadiene rubber；The oil that the oil-filled solution polymerized butadiene styrene rubber or oil-filled emulsion polymerized styrene butadiene rubber are filled is shallow
Color rubber oil.
Preferably, the halogenated butyl rubber is brominated butyl rubber or chlorinated butyl rubber.
Preferably, the colouring agent is organic pigment or inorganic pigment.
Present invention also provides application of the rubber composition described in such scheme on tire.
This application provides a kind of colorful rubber composition, it is using base rubber as primary protection system, wherein matrix
Rubber includes：One or two and polydiene in halogenated butyl rubber and ethylene-propylene diene copolymer；The resistance to ozone of above-mentioned base rubber
The ageing-resistant performance such as aging, heat-resisting, weather-proof is very outstanding, is not required to addition age resistor and can reach good ozone aging performance；
Meanwhile, the base rubber that the application is provided has taken into full account the balance of performance.Therefore, the rubber composition tool that the application is provided
There is preferable aging protection effect, while with sufficient performance.Additionally, by addition in the rubber composition of the application
Other components, so as to get tire tread for colour, it is not easy to change.
Description of the drawings
Fig. 1 is the photo of tire prepared by the embodiment of the present invention 1；
Fig. 2 is the photo of tire prepared by the embodiment of the present invention 2.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, but
It should be appreciated that these descriptions are simply to further illustrate the features and advantages of the present invention, rather than to the claims in the present invention
Limit.
The application also provides a kind of rubber composition of tire tread, and it includes：
The application adopts base rubber as the primary protection system of color tyre tread rubber composition, and it includes halogenation
One or two and polydiene in butyl rubber and ethylene-propylene diene copolymer；The base rubber that above-mentioned building rubber compound is formed has resistance to
The performance such as ozone aging, heat-resisting, weather-proof, without the need for adding age resistor by make tread-rubber that there are preferable ageing properties.
Described matrix rubber includes three kinds of schemes, i.e.,：Halogenated butyl rubber, ethylene-propylene diene copolymer and polydiene；Halogenation fourth
Base rubber and polydiene；Ethylene-propylene diene copolymer and polydiene.
Specifically, when described matrix rubber is made up of halogenated butyl rubber, ethylene-propylene diene copolymer and polydiene, the diene
The content of class rubber is 30～70 weight portions, and the content of the halogenated butyl rubber is 20～50 weight portions, the ethylene-propylene diene copolymer
Content more than zero and less than or equal to 30 weight portions；Preferably, the content of the polydiene is 40～60 weight
Part；Preferably, the content of the halogenated butyl rubber is 20～40 weight portions；Preferably, the EPDM
The content of glue is 5～20 weight portions.
When described matrix rubber is made up of polydiene and halogenated butyl rubber, the content of the polydiene is 30～
70 weight portions, the content of the halogenated butyl rubber is 70～30 weight portions, preferably, the content of the polydiene
For 40～60 weight portions, the content of the halogenated butyl rubber is 60～40 weight portions.
When described matrix rubber is made up of polydiene and ethylene-propylene diene copolymer, the content of the polydiene is 50～
90 weight portions, the content of the ethylene-propylene diene copolymer is 10～50 weight portions；Preferably, the content of the polydiene
For 60～80 weight portions, the content of the ethylene-propylene diene copolymer is 20～40 weight portions.
In order to reach sufficient protection effect, while and can not produce to the physical and mechanical properties of rubber size too big
Affect, in above-mentioned three kinds of schemes, if the content of halogenated butyl rubber or ethylene-propylene diene copolymer is very few, enough protection can not reached
Effect, if amount is too big, can affect the physical and mechanical properties and production and processing performance of sizing material.
Polydiene described herein is preferably natural rubber or butadiene-styrene rubber, wherein, the natural rubber is preferred
For light color mark glue or smoke sheet rubber；The butadiene-styrene rubber is oil-filled solution polymerized butadiene styrene rubber, not oil-filled solution polymerized butadiene styrene rubber, oil-filled
Emulsion polymerized styrene butadiene rubber or not oil-filled emulsion polymerized styrene butadiene rubber.If the butadiene-styrene rubber is oil-filled butadiene-styrene rubber or oil-filled breast
Poly- butadiene-styrene rubber, institute is oil-filled to be preferably light-colour rubber oil, in the base rubber of oil-filled number not included in 100 weight portions.
The application has no particular limits to the source of the polydiene.The halogenated butyl rubber is preferably brominated butyl rubber or chlorine
Change butyl rubber.
The application obtains colorful rubber composition, using this colorful rubber by base rubber and the cooperation of other components
The tire tread of composition production, disclosure satisfy that Essential Performance Requirements, and appearance color is not bright-coloured easy to change.
Base rubber adopts polydiene in the application, can be natural rubber or butadiene-styrene rubber, using natural rubber, glue
The processing characteristics and vulcanizate tensile property of material is preferable；Using butadiene-styrene rubber, the wear hardness of vulcanizate is preferable.
Except including in addition to base rubber in heretofore described rubber composition, also including rubber composition in conventional help
Agent, for example：White carbon, silane coupler, colouring agent, paraffin, activating agent, accelerator, vulcanizing agent, titanium dioxide, light-colour rubber oil
With light tackifying resin；Above-mentioned auxiliary agent is usual auxiliaries well known to those skilled in the art, and the application originates without special to it
Restriction.The silane coupler, colouring agent, activating agent, accelerator, vulcanizing agent, light-colour rubber oil and light tackifying resin are
Auxiliary agent well known to those skilled in the art, is specially which kind of material the application has no particular limits to it, can be this area skill
Art personnel routinely select material；Example, the silane coupler is liquid Si69 or Si75；The activating agent be zinc oxide or
Stearic acid, the vulcanizing agent is Cosan and alkyl disulfide phenol；The accelerator is accelerator NS and diphenylguanidine PG.
In order to obtain colored sizing material, the colouring agent in herein described rubber composition is organic or inorganic pigment, can be with
For the colouring agent of solid color, it is also possible to be combined by various pigment, the color after combination is any non-black color.
The rubber composition that the application is provided, by adding base rubber and auxiliary agent, makes the sizing material that rubber composition is obtained
With preferable aging protection effect, and using colouring agent, light filler and light non-polluting chemicals, make rubber glue
Material rich color is bright-coloured and not easy to change.
Preferably, the content of the white carbon is 50～70 weight portions, the content of the silane coupler is 5～
7 weight portions, the content of the colouring agent is 3～10 weight portions, and the content of the titanium dioxide is 5～30 weight portions, the light color
The content of rubber oil is 0～20 weight portion, and the content of the paraffin is 1～3 weight portion, and the content of the accelerator is 1.5～4
Weight portion, the content of the vulcanizing agent is 1～3 weight portion, and the content of the activating agent is 4～8 weight portions, the light color thickening
The content of resin is 0～10 weight portion.
The method that the method for tire tread prepared by rubber composition of the present invention prepares tire tread with existing method
It is identical, this application is had no particular limits.
This application provides a kind of rubber composition, it is helped using base rubber as primary protection system by other
The synergy of agent, makes rubber composition as colored semi-steel radial tire tyre surface formula, in the feelings without chemical antiager
Under condition, with good aging protection effect, and outward appearance is not bright-coloured easy to change.Test result indicate that, the present invention passes through matrix rubber
The protective capacities of glue itself, reaches the aging protection effect such as ozone aging, the dynamic ozone under vulcanizate 50pphm ozone concentrations
Aging reachable 48h flawlesses；Vulcanizate tensile strength is up to 18MPa, and tire wear mileage is main to use up to more than 40,000 kilometers
In the colored semi-steel radial tire tyre surface of preparation.
For a further understanding of the present invention, the rubber composition that the present invention is provided is carried out specifically with reference to embodiment
Bright, protection scope of the present invention is not limited by the following examples.
Raw material in following examples is commercially available prod, and silane coupler is Si69 or Si75；Activating agent is zinc oxide
And stearic acid, vulcanizing agent is used in combination for Cosan with alkyl disulfide phenol, and accelerator is accelerator NS and diphenylguanidine PG.
In the present embodiment, by each group distribution ratio, each component is carried out into rubber compounding in banbury, compounding process is rubber
Banburying mixing method known to technical staff, if halogenated butyl rubber used in formula, should be noted melting temperature not during mixing
135 DEG C are can exceed that, sizing material out is kneaded, by extruding, being molded, vulcanize, tire is produced.Tire production process is conventional wheel
Flow process known to tire enterprise technology personnel.Properties of rubber detection adopts common detection methods, concrete grammar to be shown in Table 1.
Embodiment 1
In parts by weight, component is：Natural rubber 60, brominated butyl rubber 40, white carbon 50, silane coupler 5, redness dye
Material 8, titanium dioxide 10, naphthenic oil 10, paraffin 1.5, activating agent 6, accelerator 2.7, vulcanizing agent 1.6, dispersant 3.5；Matched somebody with somebody with above-mentioned
Fang Jinhang is kneaded, and prepares red sizing material, and properties of rubber test result is as shown in table 1.
Embodiment 2
In parts by weight, component is：Oil-filled solution polymerized butylbenzene (wherein containing naphthenic oil 15 parts) 75, brominated butyl rubber 40, hard charcoal
Black 60, silane coupler 5.5, blue dyes 6, titanium dioxide 10, naphthenic oil 5, paraffin 1.5, activating agent 6, accelerator 2.5, sulfuration
Agent 1.6, dispersant 7；Blue sizing material is prepared with above-mentioned formula, properties of rubber test result is as shown in table 1.
Embodiment 3
In parts by weight, component is：Natural rubber 60, brominated butyl rubber 30, ethylene-propylene diene copolymer 10, white carbon 50, silane
Coupling agent 5, blue dyes 6, titanium dioxide 30, naphthenic oil 10, paraffin 1.5, activating agent 6, accelerator 2.5, vulcanizing agent 1.6, thickening
Resin 4, dispersant 3；Blue sizing material is prepared with above-mentioned formula, properties of rubber test result is as shown in table 1.
Embodiment 4
In parts by weight, component is：Solution polymerized butylbenzene 80, ethylene-propylene diene copolymer 20, white carbon 50, silane coupler 5, blueness dye
Material 6, titanium dioxide 30, naphthenic oil 10, paraffin 1.5, activating agent 6, accelerator 2.5, vulcanizing agent 2, tackifying resin 4, dispersant 3；With
Above-mentioned formula prepares blue sizing material, and properties of rubber test result is as shown in table 1.
The performance data table of vulcanizate prepared by 1 embodiment of table 1～4
Disclosed embodiment of this invention, has been successfully made color tyre, and tire is by indoor machine test, actual abrasion
Mileage is up to more than 40,000 kilometers.Tire such as Fig. 1 that the sizing material prepared by embodiment 1 and embodiment 2 is obtained, shown in Fig. 2.
The explanation of above example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that right
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out
Some improvement and modification, these are improved and modification is also fallen in the protection domain of the claims in the present invention.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (8)
1. a kind of rubber composition of tire tread, it is characterised in that include：
Described matrix rubber includes one or two in halogenated butyl rubber and ethylene-propylene diene copolymer and polydiene；The rubber
Composition is colour.
2. rubber composition according to claim 1, it is characterised in that the base rubber of 100 weight portion includes 30
The polydiene of～70 weight portions and the halogenated butyl rubber of surplus.
3. rubber composition according to claim 1, it is characterised in that the base rubber of 100 weight portion includes 30
The polydiene of～70 weight portions, the halogenated butyl rubber of 20～50 weight portions and more than 0 and the no more than ternary of 30 weight portions
The glue of second third.
4. rubber composition according to claim 1, it is characterised in that the base rubber of 100 weight portion includes 50
The polydiene of～90 weight portions and the ethylene-propylene diene copolymer of surplus.
5. the rubber composition according to any one of Claims 1 to 4, it is characterised in that the polydiene is natural
Rubber or butadiene-styrene rubber；The natural rubber is light color mark glue or smoke sheet rubber；The butadiene-styrene rubber is oil-filled solution polymerized butylbenzene rubber
Glue, oil-filled emulsion polymerized styrene butadiene rubber, not oil-filled solution polymerized butadiene styrene rubber or not oil-filled emulsion polymerized styrene butadiene rubber；It is described oil-filled molten
The oil that poly- butadiene-styrene rubber or oil-filled emulsion polymerized styrene butadiene rubber are filled is light-colour rubber oil.
6. the rubber composition according to Claims 2 or 3, it is characterised in that the halogenated butyl rubber is brominated butyl rubber
Or chlorinated butyl rubber.
7. rubber composition according to claim 1, it is characterised in that the colouring agent is organic pigment or inorganic face
Material.
8. application of the rubber composition described in any one of claim 1～7 on tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009773.1A CN106566015B (en) | 2016-11-16 | 2016-11-16 | A kind of rubber composition of tire tread and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009773.1A CN106566015B (en) | 2016-11-16 | 2016-11-16 | A kind of rubber composition of tire tread and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106566015A true CN106566015A (en) | 2017-04-19 |
| CN106566015B CN106566015B (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611009773.1A Active CN106566015B (en) | 2016-11-16 | 2016-11-16 | A kind of rubber composition of tire tread and its application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164847A (en) * | 2018-01-24 | 2018-06-15 | 万力轮胎股份有限公司 | A kind of base rubber and rubber composition for tire sidewall |
| CN110746662A (en) * | 2019-11-06 | 2020-02-04 | 河北万达轮胎有限公司 | Camouflage tire and processing technology thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102558624A (en) * | 2012-02-10 | 2012-07-11 | 青岛双星轮胎工业有限公司 | Rubber composition for color truck radial tire tread |
| CN105602018A (en) * | 2016-01-08 | 2016-05-25 | 建大橡胶（中国）有限公司 | Crazing-resistant colorful tire stock and synthesis method thereof |
-
2016
- 2016-11-16 CN CN201611009773.1A patent/CN106566015B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102558624A (en) * | 2012-02-10 | 2012-07-11 | 青岛双星轮胎工业有限公司 | Rubber composition for color truck radial tire tread |
| CN105602018A (en) * | 2016-01-08 | 2016-05-25 | 建大橡胶（中国）有限公司 | Crazing-resistant colorful tire stock and synthesis method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 梁星宇: "《丁基橡胶应用技术》", 31 May 2004 * |
| 谢忠麟等: "《橡胶制品实用配方大全》", 30 April 2001 * |
| 邓本诚等: "《橡胶并用与橡塑共混技术—性能、工艺与配方》", 30 June 1998 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164847A (en) * | 2018-01-24 | 2018-06-15 | 万力轮胎股份有限公司 | A kind of base rubber and rubber composition for tire sidewall |
| CN110746662A (en) * | 2019-11-06 | 2020-02-04 | 河北万达轮胎有限公司 | Camouflage tire and processing technology thereof |
| CN110746662B (en) * | 2019-11-06 | 2022-05-10 | 河北万达轮胎有限公司 | Camouflage tire and processing technology thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106566015B (en) | 2019-05-10 |
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