CN107501661A - A kind of rubber composition for tire and a kind of tire and preparation method thereof - Google Patents
A kind of rubber composition for tire and a kind of tire and preparation method thereof Download PDFInfo
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- CN107501661A CN107501661A CN201710936700.5A CN201710936700A CN107501661A CN 107501661 A CN107501661 A CN 107501661A CN 201710936700 A CN201710936700 A CN 201710936700A CN 107501661 A CN107501661 A CN 107501661A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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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- 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
Abstract
The invention provides a kind of rubber composition for tire.The present invention is used in combination using high specific surface area silica with mercaptosilane coupling agents, high specific surface area silica being capable of significantly more efficient reinforced rubber, so that rubber composition has high abrasion, low rolling resistance and high earth-catching property, and rubber is using SSBR and with NR and BR in rubber composition of the present invention, SSBR and silica compatibility are higher, contribute to silica scattered in rubber matrix, so as to reduce the rolling resistance of rubber composition.Meanwhile mercaptosilane coupling agents dosage is controlled, the compatibility between high specific surface area silica and rubber is can effectively improve, helps to reduce the rolling resistance of rubber composition.The tire that the rubber composition for tire is prepared also has high abrasion, low rolling resistance and high earth-catching property.
Description
Technical field
The invention belongs to field of rubber technology, and in particular to a kind of rubber composition for tire and a kind of tire and its system
Preparation Method.
Background technology
The development of auto industry has benefited from the substantial advance of each component self-technique.Important set of the tire as automobile
Into part, its state of development directly affects the progress of auto industry.
With the popularization of green tire theory, the cry more and more higher of design environment friendly tire, European Union's label regulation
Release, promote each tire enterprise lifting tire safety, reduce rolling resistance, so as to reduce the fuel consumption of automobile, at present
The most effective mode of tire drag is reduced no more than using white carbon in formula, replaces carbon black big however as white carbon
Use is measured in tread rubber, tyre surface also becomes easier to wear, with the generation of tire wear, largely helping in rubber composition
Agent can all be distributed in atmosphere, while can also produce a large amount of molecules, cause PM2.5 index exceeding standards, and the traditional approach is matched somebody with somebody
Although reducing the rolling resistance of tire on side design surface, the wear hardness of tire is actually have lost, and seriously pollute ring
Border.
So tyre industry needs a kind of tread glue formula that rolling resistance is reduced while can lifting anti-wear performance badly.
The content of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of rubber composition for tire and a kind of wheel
Tire and preparation method thereof, rubber composition for tire provided by the invention have high abrasion and the low resistive energy of rolling.
The invention provides a kind of rubber composition for tire, including：
The natural rubber of 0~30 mass parts；
The solution polymerized butadiene styrene rubber of 30~80 mass parts；
The butadiene rubber of 0~30 mass parts；
The high specific surface area silica of 30~60 mass parts；
The mercaptosilane coupling agents of 2.4~9 mass parts；
The reinforcing agent of 0~30 mass parts；
The auxiliary agent of 4~52 mass parts.
Preferably, the auxiliary agent includes：
The rubber processing oil of 0~30 mass parts；
The zinc oxide of 2~4 mass parts；
The stearic acid of 1~3 mass parts；
The age resistor of 0~6 mass parts；
The accelerator of 0~4 mass parts；
The paraffin of 0~3 mass parts；
The sulphur of 1~2 mass parts.
Preferably, the age resistor includes the p phenylenediamine type antioxidant of 0~3 mass parts, the quinolines of 0~3 mass parts
Age resistor；
The accelerator includes the sulfenamide type accelerators of 0~2 mass parts, and the thiurams of 0~2 mass parts promotes
Agent.
Preferably, the p phenylenediamine type antioxidant is selected from 6PPD or IPPD, and the quinoline type antioxidant is selected from TMQ, institute
State sulfenamide type accelerators and be selected from TBBS, CBS or NOBS, the thuriam acceserator is selected from TMTM, TMTD or TBzTD.
Preferably, the specific surface area of the high specific surface area silica is 175~230m2/g。
Preferably, the contents of ethylene of the Butadiene-Styrene Rubber is 50%~70%, and the butadiene rubber is neodymium series along fourth
Glue and/or nickel system cis-butadiene cement, the mercaptosilane coupling agents are selected from Si363 or Si747, and the reinforcing agent is carbon black, described
The dosage that carbon black accounts for accounts for the 0%~50% of the high specific surface area silica.
Preferably, the hydrosulphonyl silane dosage is the 8%~15% of high specific surface area silica dosage.
Preferably, the natural rubber, butadiene rubber, solution polymerized butadiene styrene rubber, high specific surface area silica, hydrosulphonyl silane
The mass ratio of the total amount and auxiliary agent of coupling agent and reinforcing agent is (150~190)：(8~16).
Present invention also offers a kind of tire, is prepared by above-mentioned rubber composition for tire.
Present invention also offers a kind of preparation method of tire, comprise the following steps：
A) by natural rubber, solution polymerized butadiene styrene rubber, butadiene rubber, reinforcing agent, high specific surface area silica, hydrosulphonyl silane
Coupling agent, rubber processing oil, zinc oxide, stearic acid, age resistor and paraffin, which are inserted in banbury, carries out one section of mixing, obtains once
Elastomeric compound；
B an elastomeric compound) is subjected to finishing scouring process, obtains secondary elastomeric compound；
C) the secondary elastomeric compound is kneaded three times with accelerator, sulphur, obtains sizing material；
D) sizing material extrusion, fetus shaping and fetus are vulcanized, obtain tire.
Compared with prior art, the invention provides a kind of rubber composition for tire, including：The day of 0~30 mass parts
T PNR；The solution polymerized butadiene styrene rubber of 30~80 mass parts；The butadiene rubber of 0~30 mass parts；The Gao Bibiao of 30~60 mass parts
Area silica；The mercaptosilane coupling agents of 2.4~9 mass parts；The reinforcing agent of 0~30 mass parts；4~52 mass parts help
Agent.The present invention is used in combination using high specific surface area silica with mercaptosilane coupling agents, and high specific surface area silica can be more
Add effective reinforced rubber, so that rubber composition has high abrasion, low rolling resistance and high earth-catching property, and rubber of the present invention
For rubber using SSBR and with NR and BR, SSBR and silica compatibility are higher, contribute to silica in rubber in glue composition
It is scattered in matrix body, so as to reduce the rolling resistance of rubber composition.Meanwhile mercaptosilane coupling agents dosage is controlled, can have
Effect improves the compatibility between high specific surface area silica and rubber, helps to reduce the rolling resistance of rubber composition.Make
The tire that the rubber composition for tire is prepared also has high abrasion, low rolling resistance and high earth-catching property.
Embodiment
The invention provides a kind of rubber composition for tire, including：
The natural rubber of 0~30 mass parts；
The solution polymerized butadiene styrene rubber of 30~80 mass parts；
The butadiene rubber of 0~30 mass parts；
The high specific surface area silica of 30~60 mass parts；
The mercaptosilane coupling agents of 2.4~9 mass parts；
The reinforcing agent of 0~30 mass parts；
The auxiliary agent of 4~52 mass parts.
Rubber composition for tire provided by the invention includes the natural rubber of 0~30 mass parts, preferably 5~25 mass
Part, more preferably 10~20 mass parts.Preferably, the natural rubber is selected from 20# standard rubbers, wherein, ash content<1.0%；Impurity
<0.16%；Volatile matter<0.8%.
Rubber composition for tire provided by the invention also includes the solution polymerized butadiene styrene rubber of 30~80 mass parts, and preferably 40
~70 mass parts, more preferably 50~60 mass parts.Wherein, the contents of ethylene of the Butadiene-Styrene Rubber is 50%~70%,
Preferably 55%~65%, ash content<0.2%；Volatile matter<0.8%.
Rubber composition for tire provided by the invention also includes the butadiene rubber of 0~30 mass parts, preferably 5~25 matter
Measure part, more preferably 10~20 mass parts.The butadiene rubber is high-cis butadiene rubber, ash content<0.2%；Volatile matter<
0.8%.The butadiene rubber is preferably neodymium series cis-butadiene cement and/or nickel system cis-butadiene cement.
Rubber composition for tire provided by the invention also includes the high specific surface area silica of 30~60 mass parts, excellent
Elect 35~55 mass parts, more preferably 40~50 mass parts as.The specific surface area of the high specific surface area silica be 175~
230m2/ g, preferably 190~210m2/g.Described 105 DEG C of heating loss of high specific surface area silica<8%；325 screen residues
<0.5%；It is used as rubber reinforcing filler in the present invention, and is acted synergistically with other auxiliary agents of the invention.
Rubber composition for tire provided by the invention also includes the mercaptosilane coupling agents of 2.4~9 mass parts, is preferably
3~8 mass parts, more preferably 5~7 mass parts.The mercaptosilane coupling agents are preferably Si363 or Si747.
In the present invention, the hydrosulphonyl silane dosage is the 8%~15% of high specific surface area silica dosage, is preferably
9%~14%, more preferably 10%~13%.By controlling mercaptosilane coupling agents dosage, high-specific surface area can effectively improve
Compatibility between silica and rubber, help to reduce the rolling resistance of rubber composition.
Rubber composition for tire provided by the invention also includes the reinforcing agent of 0~30 mass parts, preferably 5~25 mass
Part, more preferably 10~20 mass parts.It is carbon black that the reinforcing agent, which is selected from, and the dosage that the carbon black accounts for accounts for the high-specific surface area
The 0%~50% of silica, preferably 10%~40%, more preferably 20%~30%.Wherein, the index of carbon black is particle
Shape；105 DEG C of heating loss<1.5%；325 screen residues<0.05%.
The natural rubber, butadiene rubber, solution polymerized butadiene styrene rubber, high specific surface area silica, mercaptosilane coupling agents
It is (150~190) with the total amount of reinforcing agent and the mass ratio of auxiliary agent：(8~16), it is preferably (160~180)：(10~14).
Rubber composition for tire provided by the invention also includes the auxiliary agent of 4~52 mass parts, in the present invention, described to help
Agent includes：
The rubber processing oil of 0~30 mass parts；
The zinc oxide of 2~4 mass parts；
The stearic acid of 1~3 mass parts；
The age resistor of 0~6 mass parts；
The accelerator of 0~4 mass parts；
The paraffin of 0~3 mass parts；
The sulphur of 1~2 mass parts.
Specifically, rubber composition for tire provided by the invention includes the rubber processing oil of 0~30 mass parts, it is preferably
5~25 mass parts, more preferably 10~20 mass parts.
Rubber composition for tire provided by the invention also includes the zinc oxide of 2~4 mass parts, preferably 2.5~3.5 matter
Measure part.The zinc oxide is powdered；Index is：Zinc oxide content>99.5%；325 screen residues<0.15%；Acetic acid is insoluble
Thing<0.008%.In the present invention, the zinc oxide is used as rubber vulcanization activator, and cooperates with work with other auxiliary agents of the invention
With.
Rubber composition for tire provided by the invention also includes the stearic acid of 1~3 mass parts, preferably 1.5~2.5 matter
Measure part.In the present invention, the stearic acid particles shape；Its iodine number<8gI2/100g；57.0 ± 5.0 DEG C of congealing point；Acid number 200.0
±12.0mg KOH/g.The stearic acid is used as rubber vulcanization activator, and is acted synergistically with other auxiliary agents of the invention.
Rubber composition for tire provided by the invention also includes the age resistor of 0~6 mass parts, and the age resistor includes 0
The p phenylenediamine type antioxidant of~3 mass parts, the quinoline type antioxidant of 0~3 mass parts.The p phenylenediamine type antioxidant is
It is granular；Crystalline temperature>45℃；Heating loss<0.5%.The quinoline type antioxidant is graininess；90.0 ± 5.0 DEG C of softening point；Add
Heat decrement<0.5%.Preferably, the age resistor is that p phenylenediamine type antioxidant and the compound of quinoline type antioxidant formation are prevented
Old agent, the complex antiager are anti-old for the p phenylenediamine type antioxidant of 1~3 mass parts and the quinolines of 1~3 mass parts
Agent.The p phenylenediamine type antioxidant is selected from 6PPD or IPPD, and the quinoline type antioxidant is selected from TMQ.
Rubber composition for tire provided by the invention also includes the accelerator of 0~4 mass parts, and the accelerator includes 0
The sulfenamide type accelerators of~2 mass parts, the thuriam acceserator of 0~2 mass parts.The sulfenamide type accelerators is
It is powdered；104 ± 3 DEG C of just fusing point；70 DEG C, 3 hours heating loss<0.5%.The thuriam acceserator is yellow powder
Shape；104 ± 3 DEG C of just fusing point；70 DEG C, 3 hours heating loss<0.5%.Preferably, the accelerator promotes for sulfenamide
The compound accelerant that agent is formed with thuriam acceserator, in the present invention, the compound accelerant is 0.5~1.5 mass parts
Sulfenamide type accelerators and 0.5~1.5 mass parts thuriam acceserator.The sulfenamide type accelerators is selected from
TBBS, CBS or NOBS, the thuriam acceserator are selected from TMTM, TMTD or TBzTD.
Rubber composition for tire provided by the invention also includes the paraffin of 0~3 mass parts, preferably 0.5~2.5 mass
Part, more preferably 1.0~2.0 mass parts.The paraffin is graininess；63~67 DEG C of congealing point；Index of refraction (80 DEG C) 1.4300
~1.4400.The paraffin provides ageing-resistant performance for sizing material, and is acted synergistically with other auxiliary agents of the invention.
Rubber composition for tire provided by the invention also includes the sulphur of 1~2 mass parts, preferably 1.2~1.8 mass
Part, more preferably 1.4~1.6 mass parts.The sulphur is powdered；Total sulfur content>98%；200 mesh sieve residue on sieves<0.5%；80
DEG C, 3 hours heating loss<0.5%.The sulphur is used as rubber vulcanization crosslinking agent, and is acted synergistically with other auxiliary agents of the invention.
Present invention also offers a kind of tire being prepared by above-mentioned rubber composition for tire, the tire has low rolling
Resistance and high-wear resistance.
In the present invention, the preparation of tire is carried out using three-stage mixing technique, specific method is：
A) by natural rubber, solution polymerized butadiene styrene rubber, butadiene rubber, reinforcing agent, high specific surface area silica, hydrosulphonyl silane
Coupling agent, rubber processing oil, zinc oxide, stearic acid, age resistor and paraffin, which are inserted in banbury, carries out one section of mixing, obtains once
Elastomeric compound；
B an elastomeric compound) is subjected to finishing scouring process, obtains secondary elastomeric compound；
C) the secondary elastomeric compound is kneaded three times with accelerator, sulphur, obtains sizing material；
D) sizing material extrusion, fetus shaping and fetus are vulcanized, obtain tire.
Present invention preferably employs the preparation that F270 types banbury carries out sizing material, wherein, the rotating speed of the closed-smelting machine rotor is
10~60rpm, preferably 20~50rpm.
Wherein, step A) be kneaded after dump temperature be preferably 145~158 DEG C, step C) be kneaded after row
Glue temperature is preferably 100~105 DEG C.
The present invention is extruded to the sizing material, fetus is molded and the specific method of fetus vulcanization is not specifically limited, this
Method known to art personnel.
The present invention is used in combination using high specific surface area silica with mercaptosilane coupling agents, high specific surface area silica energy
Enough significantly more efficient reinforced rubbers, so that rubber composition has high abrasion, low rolling resistance and high earth-catching property, and this hair
For rubber using SSBR and with NR and BR, SSBR and high specific surface area silica compatibility are higher, help in bright rubber composition
It is scattered in rubber matrix in silica, while SSBR also contributes to improve high specific surface area silica in General Purpose Rubber
In be not easy the problem of scattered, so as to reduce the rolling resistance of rubber composition.Increase uses BR rubbers to the present invention on the basis of the above
Glue, the anti-wear performance of sizing material is further lifted using the characteristics of BR glue, and reduce the glass transition temperature of said composition, assigned
The resistance to low temperature that said composition is certain is given, it is applied to tire tread.Meanwhile present invention control mercaptosilane coupling agents are used
Amount, can effectively improve the compatibility between high specific surface area silica and rubber, and can improve common silane with hydrosulphonyl silane
With being modified the problem of insufficient to high specific surface area silica surface so that high specific surface area silica disperses in sizing material
More preferably, the rolling resistance of reduction rubber composition is contributed to.The tire that the rubber composition for tire is prepared also has
High abrasion, low rolling resistance and high earth-catching property.
For a further understanding of the present invention, with reference to embodiment to rubber composition for tire provided by the invention and
A kind of tire and preparation method thereof is illustrated, and protection scope of the present invention is not limited by the following examples.
Embodiment 1
It is by weight：60 kilograms of 20# natural rubber 20kg, solution polymerized butadiene styrene rubber HPR850, butadiene rubber CB24
20kg, carbon black N339 15kg, high specific surface area silica 200MP：50Kg, silane coupler Si363 5Kg, rubber operation
Oily 10kg, indirect process zinc oxide 3kg, stearic acid 2kg, p-phenylenediamine age resistor 6PPD 1kg, quinoline age resistor TMQ 1kg, stone
Wax 1kg, sulfenamide type accelerators TBBS 1.5kg, thuriam acceserator TMTD 0.5Kg, sulphur 1.2kg.
Above-mentioned composition material is processed using 3 sections of calendering process, 3 sections of mixings are entered in F270 type banburies
OK, rotor speed 10-60r/min；Mill slice after 3 sections of mixings；Charging sequence：Natural rubber 20kg is added in one section,
60 kilograms, butadiene rubber 20kg, carbon black 15kg of solution polymerized butadiene styrene rubber, high specific surface area silica：50Kg, silane coupler 5
Kilogram, oily 10kg, zinc oxide 3kg, stearic acid 2kg, p-phenylenediamine age resistor 1kg, quinoline age resistor 1kg, paraffin 1kg, dumping
150 DEG C of temperature；Two sections are elastomeric compound finishing scouring process；Three sections of addition sulfenamide type accelerators 1.5kg, thuriam acceserator
0.5Kg, sulphur 1.2kg, dump temperature are 102 DEG C.After parking 4 hours, sizing material is obtained.
Sizing material carries out tire tire part and extruded, then parks laggard road wheel tyre blank shaping in 8 hours, and finally fetus is sulfided into most
Whole tire.
The performance of the sizing material and tire is determined, the results are shown in Table 1.Table 1 be the sizing material for preparing of embodiment and comparative example with
And the performance of tire.
Sizing material and the performance of tire prepared by the embodiment of table 1 and comparative example
Note：This is chosen the normal low rolling that comparative example 4 provides and hinders tire as bench-marking, calibration coefficients 100.
Embodiment 2
It is by weight：20# natural rubber 10kg, HPR85070 kilograms of solution polymerized butadiene styrene rubber, butadiene rubber CB24
20kg, carbon black N339 10kg, high specific surface area silica 200MP：55Kg, silane coupler Si363 5.5Kg, rubber behaviour
Make oily 10kg, indirect process zinc oxide 3kg, stearic acid 2kg, p-phenylenediamine age resistor 6PPD 1kg, quinoline age resistor TMQ 1kg,
Paraffin 1kg, sulfenamide type accelerators TBBS 1.5kg, thuriam acceserator TMTD 0.5Kg, sulphur 1.2kg.
Above-mentioned composition material is processed using 3 sections of calendering process, 3 sections of mixings are entered in F270 type banburies
OK, rotor speed 10-60r/min；Mill slice after 3 sections of mixings；Charging sequence：Natural rubber 10kg is added in one section,
70 kilograms, butadiene rubber 20kg, carbon black 10kg of solution polymerized butadiene styrene rubber, high specific surface area silica：55Kg, silane coupler
5.5 kilograms, oily 10kg, zinc oxide 3kg, stearic acid 2kg, p-phenylenediamine age resistor 1kg, quinoline age resistor 1kg, paraffin 1kg, row
150 DEG C of glue temperature；Two sections are elastomeric compound finishing scouring process；Three sections of addition sulfenamide type accelerators 1.5kg, thuriam acceserator
0.5Kg, sulphur 1.2kg, dump temperature are 102 DEG C.After parking 4 hours, sizing material is obtained.
Sizing material carries out tire tire part and extruded, then parks laggard road wheel tyre blank shaping in 8 hours, and finally fetus is sulfided into most
Whole tire.
The performance of the sizing material and tire is determined, the results are shown in Table 1.Table 1 be the sizing material for preparing of embodiment and comparative example with
And the performance of tire.
Embodiment 3
It is by weight：70 kilograms of 20# natural rubber 10kg, solution polymerized butadiene styrene rubber HPR850, butadiene rubber CB24
20kg, carbon black N339 10kg, high specific surface area silica 200MP：50Kg, silane coupler Si363 5Kg, rubber operation
Oily 5kg, indirect process zinc oxide 3kg, stearic acid 2kg, p-phenylenediamine age resistor 6PPD 1kg, quinoline age resistor TMQ 1kg, paraffin
1kg, sulfenamide type accelerators TBBS 1.5kg, thuriam acceserator TMTD 0.5Kg, sulphur 1.2kg.
Above-mentioned composition material is processed using 3 sections of calendering process, 3 sections of mixings are entered in F270 type banburies
OK, rotor speed 10-60r/min；Mill slice after 3 sections of mixings；Charging sequence：Natural rubber 10kg is added in one section,
70 kilograms, butadiene rubber 20kg, carbon black 10kg of solution polymerized butadiene styrene rubber, high specific surface area silica：55Kg, silane coupler
5.5 kilograms, oily 10kg, zinc oxide 3kg, stearic acid 2kg, p-phenylenediamine age resistor 1kg, quinoline age resistor 1kg, paraffin 1kg, row
150 DEG C of glue temperature；Two sections are elastomeric compound finishing scouring process；Three sections of addition sulfenamide type accelerators 1.5kg, thuriam acceserator
0.5Kg, sulphur 1.2kg, dump temperature are 105 DEG C.After parking 4 hours, sizing material is obtained.
Sizing material carries out tire tire part and extruded, then parks laggard road wheel tyre blank shaping in 8 hours, and finally fetus is sulfided into most
Whole tire.
Comparative example 1~3
For formula referring to table 2, table 2 is the formula table for the rubber composition that comparative example provides.
The formula table for the rubber composition that the comparative example of table 2 provides
Method according to embodiment 1 carries out the preparation of the sizing material and tire of comparative example 1~3, and carries out performance measurement, ties
Fruit is shown in Table 1.
Comparative example 4
The tire that the tire specification of ten thousand wheels tire limited companies production is 205/55R16.91V, preparation method is the same as real
Apply example 1.
The sizing material of the offer of comparative example 4 and the performance of tire are provided, the results are shown in Table 1.
From data, the embodiment of the present invention prepares sizing material, and is processed with 3 sections of calendering process and prepares tire,
By hardness, pull apart, tensile strength, resilience, tearing strength, tire rolling resistance and tire road wear test, the present composition
Prepared tire, hardness, pull apart, tensile strength, resilience, tear strength data it is close with common low rolling resistance tire, tire
Wear hardness has higher amplitude lifting compared with conventional tyre, while rolling resistance has declined.
Resistance, which is rolled, from the point of view of comparative example result, when matching somebody with somebody hydrosulphonyl silane using general silica has reduction, but wear hardness
Bad, when matching somebody with somebody common silane coupler using high specific surface area silica, abrasion are obviously improved, but rolling resistance resistance is higher,
Single with natural rubber when, with common low rolling resistance tire compared to change less, wear hardness has lifting, simply lifts width for rolling resistance
Degree is not as more glue kinds and uses scheme.
The present invention is matched by different rubber, high specific surface area silica cooperates with work with the cooperation of silane coupler
With making rubber that there is higher anti-wear performance and keep relatively low rolling resistance.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. rubber composition for tire, it is characterised in that including：The natural rubber of 0~30 mass parts；The solution polymerized butadiene styrene rubber of 30~80 mass parts；The butadiene rubber of 0~30 mass parts；The high specific surface area silica of 30~60 mass parts；The mercaptosilane coupling agents of 2.4~9 mass parts；The reinforcing agent of 0~30 mass parts；The auxiliary agent of 4~52 mass parts.
- 2. rubber composition for tire according to claim 1, it is characterised in that the auxiliary agent includes：The rubber processing oil of 0~30 mass parts；The zinc oxide of 2~4 mass parts；The stearic acid of 1~3 mass parts；The age resistor of 0~6 mass parts；The accelerator of 0~4 mass parts；The paraffin of 0~3 mass parts；The sulphur of 1~2 mass parts.
- 3. rubber composition for tire according to claim 2, it is characterised in that the age resistor includes 0~3 mass parts P phenylenediamine type antioxidant, the quinoline type antioxidant of 0~3 mass parts；The accelerator includes the sulfenamide type accelerators of 0~2 mass parts, the thuriam acceserator of 0~2 mass parts.
- 4. rubber composition for tire according to claim 3, it is characterised in that the p phenylenediamine type antioxidant is selected from 6PPD or IPPD, the quinoline type antioxidant are selected from TMQ, and the sulfenamide type accelerators is selected from TBBS, CBS or NOBS, institute State thuriam acceserator and be selected from TMTM, TMTD or TBzTD.
- 5. rubber composition for tire according to claim 1, it is characterised in that the high specific surface area silica Specific surface area is 175~230m2/g。
- 6. rubber composition for tire according to claim 1, it is characterised in that the vinyl of the Butadiene-Styrene Rubber contains Measure as 50%~70%, the butadiene rubber is that neodymium series cis-butadiene cement and/or nickel system cis-butadiene cement, the mercaptosilane coupling agents are selected from Si363 or Si747；The reinforcing agent is carbon black, and the dosage that the carbon black accounts for accounts for the 0% of the high specific surface area silica ~50%.
- 7. rubber composition for tire according to claim 1, it is characterised in that the hydrosulphonyl silane dosage is Gao Bibiao The 8%~15% of area silica dosage.
- 8. rubber composition for tire according to claim 1, it is characterised in that the natural rubber, butadiene rubber, molten Poly- butadiene-styrene rubber, high specific surface area silica, mercaptosilane coupling agents and the total amount of reinforcing agent and the mass ratio of auxiliary agent are (150~190)：(8~16).
- 9. a kind of tire, it is characterised in that as the rubber composition for tire preparation described in claim 1~8 any one Into.
- 10. a kind of preparation method of tire, it is characterised in that comprise the following steps：A) natural rubber, solution polymerized butadiene styrene rubber, butadiene rubber, reinforcing agent, high specific surface area silica, hydrosulphonyl silane are coupled Agent, rubber processing oil, zinc oxide, stearic acid, age resistor and paraffin, which are inserted in banbury, carries out one section of mixing, is once kneaded Glue；B an elastomeric compound) is subjected to finishing scouring process, obtains secondary elastomeric compound；C) the secondary elastomeric compound is kneaded three times with accelerator, sulphur, obtains sizing material；D) sizing material extrusion, fetus shaping and fetus are vulcanized, obtain tire.
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| CN109161064A (en) * | 2018-09-10 | 2019-01-08 | 肇庆骏鸿实业有限公司 | Low-heat-generation Tire support glue and its preparation method and application |
| CN112778581A (en) * | 2021-01-28 | 2021-05-11 | 中北大学 | Low rolling resistance wet-skid modified natural rubber composite material and preparation method thereof |
| CN114621504A (en) * | 2022-02-28 | 2022-06-14 | 青岛双星轮胎工业有限公司 | Low-Voc spare tire tread rubber composition and preparation method thereof |
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| CN114621504A (en) * | 2022-02-28 | 2022-06-14 | 青岛双星轮胎工业有限公司 | Low-Voc spare tire tread rubber composition and preparation method thereof |
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