CN105837883A - Rubber composition and tire assembly - Google Patents
Rubber composition and tire assembly Download PDFInfo
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- CN105837883A CN105837883A CN201610334787.4A CN201610334787A CN105837883A CN 105837883 A CN105837883 A CN 105837883A CN 201610334787 A CN201610334787 A CN 201610334787A CN 105837883 A CN105837883 A CN 105837883A
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- rubber
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- tire
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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
-
- 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
- B60C1/0008—Compositions of the inner liner
-
- 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
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
-
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a rubber composition and a tire assembly. The rubber composition can effectively balance rolling resistances and wet skid resistances of a tire. The rubber composition comprises at least one 100 phr diene rubber and 20-200 phr filler, wherein the filler at least comprises greater than or equal to 50wt% of white carbon black with a low specific surface area (that is, the white carbon black with the low specific surface area is used as a main filler), the low specific surface area of the white carbon black with the low specific surface area is in the range of 10-100 m<2>/g; the rubber composition is used for manufacturing tire treads which are applied to the tire. The tire manufactured by employing the rubber composition has low rolling resistance and good wet skid resistance so that the two resistances can achieve better balance.
Description
Technical field
The present invention relates to tire manufacturing art, should by the rubber composition comprising low specific surface area white carbon
In tire tread formula, can effectively balance resistance to rolling and wet-sliding resistant performance.
Background technology
Along with the development of tire industry, in the various performances of tire, people pursue low rolling more
Resistance and high wet-sliding resistant performance.Therefore, tire for vehicles is proposed the requirement of high performance, the safest
Property, environment protecting and power-saving etc..White carbon is the reinforcing filler being only second to white carbon black in rubber industry, in vain
White carbon black is owing to its particle is thin, specific surface area big, have stronger adsorptivity, thus can increase rubber system
The intensity of product and ageing resistace.In tire industry, normally used white carbon is that specific surface area is more than
100m2/g has high reinforcing white carbon, and the properties of such white carbon will be better than white carbon black.
But application that low specific surface area white carbon is in tire is the most out in the cold.
Summary of the invention
It is an object of the invention to provide a kind of rubber composition and tyre assembly, to overcome in prior art
Deficiency.
For achieving the above object, the present invention provides following technical scheme:
The embodiment of the present application discloses a kind of rubber composition, including:
100phr polydiene；
Filler between 20 and 200phr, this filler includes >=white carbon of 50wt%, described in vain
White carbon black has 10～100m2The specific surface area of/g.
Preferably, in above-mentioned rubber composition, described white carbon content is 30～120phr.
Preferably, in above-mentioned rubber composition, the specific surface area of described white carbon is 30～90m2/ g,
It is preferably 50～80m2/g。
Preferably, in above-mentioned rubber composition, described filer content is between 40 to 150phr.
Preferably, in above-mentioned rubber composition, described polydiene is selected from natural rubber, isoamyl
Rubber, butyl rubber, butadiene rubber, butadiene-styrene rubber or a combination thereof.
Preferably, in above-mentioned rubber composition, also including white carbon black, the iodine absorption value of this white carbon black is 5
Absorption value to 150g/kg, DBP is 30 to 150cm3/100g。
Accordingly, disclosed herein as well is a kind of tyre assembly, comprise described rubber composition.
Preferably, in above-mentioned tyre assembly, described rubber composition is used for the tyre surface of tyre assembly, tire
Side, crown or liner.
Compared with prior art, it is an advantage of the current invention that: the wheel mold using this rubber composition to make
There are relatively low resistance to rolling and preferable wet-sliding resistant performance, make two kinds of performances can reach preferably to balance.
Detailed description of the invention
The embodiment of the present invention discloses a kind of wheel that can effectively balance tire drag and wet-sliding resistant performance
Tire tread rubber composition, involved rubber composition comprise at least one 100phr polydiene,
20 to 200phr filler；Above-mentioned rubber composition is made tire tread；Above-mentioned tyre surface is applied to tire
In.Wherein low specific surface area white carbon content >=50wt%, the specific surface of low specific surface area white carbon in filler
Amass at 10-100m2The scope of/g, the tire using this rubber composition to make has relatively low resistance to rolling
With preferable wet-sliding resistant performance, make two kinds of performances can reach preferably to balance.
The embodiment of the present invention further relates to a kind of tire comprising tyre surface, and described tyre surface comprises at least one
100phr polydiene, 20 to 200phr filler；Above-mentioned rubber composition is made tire tread；Will
Above-mentioned tyre surface is applied in tire.Wherein low specific surface area white carbon content >=50wt% in filler, low compares table
The specific surface area of area white carbon is at 10-100m2The scope of/g.
In one embodiment, the filler in rubber composition comprises the >=low specific surface area Linesless charcoal of 50wt%
Black, preferably 30-120phr.Low specific surface area white carbon has 10-100m2The specific surface area of/g.
Rubber composition can be used for the rubber containing unsaturated bond or elastomer.Rubber composition refers to
The rubber being blended with various compositions and material or mixing." polydiene " or " containing unsaturated double-bond
Rubber or elastomer " include natural rubber and other various synthetic rubber, the most elastomeric instantiation
Including butadiene rubber (cis-1,4-polybutadiene), polyisoprene (cis-1,4-polyprene), butyl rubber
(including conventional butyl rubbers, chlorinated scoline and brombutyl), butadiene-styrene rubber (butadiene/
Styrol copolymer), EP rubbers (ethylene/propylene/diene monomer copolymer).Preferably rubber or elasticity
Body is natural rubber, butadiene-styrene rubber and butadiene rubber.
In one aspect, rubber is preferably at least the rubber of two kinds of dienes.For example, it is preferable to be two kinds or
The combination of above rubber, as cis-Isosorbide-5-Nitrae-polyisoprene rubber (comprises natural rubber and synthesizes cis-Isosorbide-5-Nitrae-poly-different
Pentadiene), butadiene-styrene rubber (butadiene/styrene copolymers), butadiene rubber (cis-1,4-polybutadiene).
One aspect of the present invention, butadiene-styrene rubber can select the butadiene/styrene copolymers that emulsion is polymerized,
Wherein can select the styrene containing 5%-40% (mass fraction), styrene sometimes can be selected to contain
Measure higher butadiene-styrene rubber.
Rubber composition can comprise the filler of 20-200phr, in addition to comprising low specific surface area white carbon,
In one embodiment, it is possible to use other various forms of white carbons.
The white carbon that can be used for rubber composition comprises gas-phase silica, precipitated silica etc..A reality
Execute and scheme uses precipitated silica.
The filler that can be used for rubber composition may contain white carbon black.The representative of conventional white carbon black have N110, N121,
N134、N220、N231、N234、N242、N293、N299、N315、N326、N330、N332、
N339、N343、N347、N351、N358、N375、N539、N550、N582、N630、N642、
N650、N683、N754、N762、N765、N774、N787、N907、N908、N990、N991。
It is 5 to 150g/kg that these white carbon blacks have iodine absorption value, and the absorption value of DBP is 30 to 150cm3/100g
Feature.
The mixing of rubber composition can be realized by method generally in the art.
Rubber composition can be used in the various rubber components of tire.Rubber component include tyre surface, sidewall,
Crown, liner etc., preferably tyre surface.
The tire of the embodiment of the present invention can be used for tyres for passenger cars, passenger tyre, agricultural tire, racing-car tyre,
Truck tyre, Off-the-road tire etc..Tire can be radial or cross-ply.
The curing temperature of the tire of the embodiment of the present invention is carried out at 100 to 200 DEG C.In one embodiment,
Sulfuration is to carry out at a temperature of 130-180 DEG C.The vulcanization process of routine can be used, such as, heat in oil bath
Or electrically heated mould is carried out.
The present invention is expanded on further below in conjunction with specific embodiment.The following example is only used for explaining and saying
The bright present invention, and be not meant to limit the scope of the invention.Unreceipted actual conditions in the following example
Test method, generally according to normal condition, or according to the condition proposed by manufacturer.Unless otherwise saying
Bright, all of percentage ratio and number are by weight.
The preparation of rubber composition:
Prepared the rubber composition with consisting of by mixing method, described mixing include:
1. masterbatching:
Masterbatching is carried out in X (S) M-1.6 × (0～180) type banbury, and initial temperature is 70 DEG C, rotating speed
Being 70 turns/min, pressure is 7bar.Charging sequence is: solution polymerized butadiene styrene rubber and butadiene rubber are initially adding
Enter, after 30s add white carbon, white carbon black, coupling agent, age resistor, zinc oxide, microwax, stearic acid and
Plasticizer, the finally binder removal when 150C.
2. refining eventually:
Refining is to carry out in X (S) M-1.6 × (0～180) type banbury eventually, charging sequence: starting first rubber master batch,
Accelerator diphenylguanidine, accelerant N-cyclohexyl-2-benzothiazole sulfonamide and sulfur, 180s is added after 20s
Rear binder removal.
Raw material and equipment:
(RC2557S, purchased from Sinopec Dushanzi petro-chemical corporation for solution polymerized butadiene styrene rubber；NS616, purchases
From Japanese auspicious father-in-law), butadiene rubber (BR9000, purchased from Sinopec Dushanzi petro-chemical corporation), white carbon
(Newsil HD60MP, Newsil HD90MP, Newsil HD115MP, Newsil HD165MP,
Newsil HD200MP；Purchased from Wuxi Que Chenggui company limited), and white carbon black (N234, public purchased from Cabot
Department), plasticizer (environment-friendly aromatic oil TDAE, holy purchased from Germany's Chinese), coupling agent pair-(γ-triethoxysilicane
Alkane propyl group)-tetrasulfide Si69, age resistor N-(1,3-dimethyl) butyl-N'-diphenyl-para-phenylene diamine, paraffin,
Zinc oxide, stearic acid, accelerator diphenylguanidine, accelerant N-cyclohexyl-2-benzothiazole sulfonamide and sulfur
Sulphur is commercially available.
X (S) M-1.6 × (0～180) type banbury, Qingdao section height rubber and plastics machine technical equipment company limited；
XK-200 type mill, Qingdao section height rubber and plastics machine technical equipment company limited；XLB-400 type flat board sulfur
Change machine, Qingdao section height rubber and plastics machine technical equipment company limited；MV3000 Mooney viscosity instrument, Germany
Montech；D-MDR3000 flow graph, Germany Montech；Z010 universal tensile testing machine, Germany
Zwick；Shore A hardness tester, Germany Zwick.
Testing standard and instrument:
Contrast between different embodiments and characterize hysteresis loss performance and wet more intuitively for convenience
Ground frictional behaviour, our laboratory uses internal reference formulations to come embodiment and comparative example indexation, tool
The computational methods of body see below.
(i) hysteresis loss index: using DMA (Dynamic Mechanical Analyzer) test, temperature is 25 DEG C,
Frequency is 10Hz, and dynamic deformation is 1-50%, and test pattern is plane shear pattern, takes Tan δ maximum
Value；The DMA+1000 using Metravib tests.
Hysteresis loss index=reference formulations value/test value × 100, the loss of index more large time delay is the least.
(ii) wetland frictional index: use swinging friction coefficient instrument testing friction coefficient, and join with laboratory
Ratio versus.
Wetland frictional index=test value/reference formulations value × 100, index the biggest wetland frictional force is the biggest.
Embodiment 1
In embodiment 1, keep constant in other additive amount, and by white carbon consumption in formula
Adjust, make hardness be in identical level, such that it is able to more efficiently investigate different specific surface area Linesless charcoal
The contrast (ginseng Tables 1 and 2) of black resistance to rolling and wet-sliding resistant performance, it will be seen that low specific surface area white carbon
Advantage at balance both aspect of performances.Reinforcing due to low specific surface area white carbon weakens, therefore
Need to add white carbon more to reach identical hardness.
The experimental formula of table 1 embodiment 1
| Embodiment 1-1 | Embodiment 1-2 | Comparative example 1-1 | Comparative example 1-2 | Comparative example 1-3 | Reference | |
| RC2557S | 110.00 | 110.00 | 110.00 | 110.00 | 110.00 | 110.00 |
| BR9000 | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 |
| N330 | 6 | 6 | 6 | 6 | 6 | 6 |
| Si69 | 4 | 4 | 4 | 4 | 4 | 4 |
| 6PPD | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| Paraffin | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| Zinc oxide | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 |
| Stearic acid | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| HD60MP | 100.00 | |||||
| HD 90MP | 90.00 | |||||
| HD115MP | 80.00 | |||||
| HD165MP | 70.00 | 80.00 | ||||
| HD200MP | 65.00 | |||||
| Diphenylguanidine | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Accelerator CBS | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| Sulfur | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
The experimental result of table 2 embodiment 1
Less specific surface area and more weak filler interphase interaction so that Payne effect is more weak, i.e.
Addition is made also to have significant lower hysteresis loss Tan δ, wet-sliding resistant performance aspect simultaneously relatively greatly
HD60MP and HD90MP is also the highest.From above-mentioned data it is found that low specific surface area white carbon
Can effectively balance resistance to rolling and wet-sliding resistant performance.
Embodiment 2
Embodiment 2 have employed the low specific surface area white carbon HD60MP of Different adding amount, and with interpolation
The formula of HD115MP and HD165MP is contrasted, ginseng table 3 and table 4.
The experimental formula of table 3 embodiment 2
| Embodiment 2-1 | Embodiment 2-2 | Embodiment 2-3 | Embodiment 2-4 | Comparative example 1-1 | Comparative example 1-2 | |
| BR9000 | 20 | 20 | 20 | 20 | 20 | 20 |
| NS616 | 80 | 80 | 80 | 80 | 80 | 80 |
| N330 | 6 | 6 | 6 | 6 | 6 | 6 |
| Si69 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| Environment-friendly aromatic oil | 6 | 12 | 18 | 15 | 10 | |
| 6PPD | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Paraffin | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Zinc oxide | 3 | 3 | 3 | 3 | 3 | 3 |
| Stearic acid | 1 | 1 | 1 | 1 | 1 | 1 |
| HD60MP | 60 | 70 | 80 | 90 | ||
| HD165MP | 55 | |||||
| HD115MP | 55 | |||||
| Diphenylguanidine | 1 | 1 | 1 | 1 | 1 | 1 |
| Accelerator CBS | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Sulfur | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
The experimental result of table 4 embodiment 2
The Tan δ that scanned by deformation is it is found that the sizing material that adds HD60MP has significant lower stagnant
Rear loss, this is favourable to resistance to rolling；Find moisture-resisting after the HD60MP of interpolation different proportion simultaneously
Slip can be gradually increased and better than add the formula of HD115MP and HD165MP.
Embodiment 3
Embodiment 3 have employed the low specific surface area white carbon HD60MP of different adding proportion, and with add
The formula adding HD115MP, HD165MP and HD200MP is contrasted.Ginseng table 5 and table 6.
The experimental program of table 5 embodiment 3
| Embodiment 3-1 | Comparative example 3-1 | Embodiment 3-2 | Comparative example 3-2 | Embodiment 3-3 | Comparative example 3-3 | |
| RC2557S | 110.00 | 110.00 | 110.00 | 110.00 | 110.00 | 110.00 |
| BR9000 | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 |
| N330 | 6 | 6 | 6 | 6 | 6 | 6 |
| Si69 | 4 | 4 | 4 | 4 | 4 | 4 |
| Antioxidant 4020 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| Paraffin | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| Zinc oxide | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 |
| Stearic acid | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| HD90MP | 45 | 45 | 45 | |||
| HD115MP | 40 | 80.00 | ||||
| HD165MP | 35 | 70.00 | ||||
| HD200MP | 31 | 65.00 | ||||
| Diphenylguanidine | 1 | 1 | 1 | 1 | 1 | 1 |
| Accelerator CBS | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Sulfur | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
The data result of table 6 embodiment 3
When adding the low specific surface area white carbon HD90MP of more than filler total amount 50wt% in formula,
Resistance to rolling is substantially low than reference formulations, and anti-slippery significantly improves simultaneously.
Finally, in addition it is also necessary to explanation, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not
Only include those key elements, but also include other key elements being not expressly set out, or also include for this
The key element that the process of kind, method, article or equipment are intrinsic.
Claims (8)
1. a rubber composition, it is characterised in that including:
100phr polydiene；
Filler between 20 and 200phr, this filler includes >=white carbon of 50wt%, described in vain
White carbon black has 10～100m2The specific surface area of/g.
Rubber composition the most according to claim 1, it is characterised in that: described white carbon content is
30～120phr.
Rubber composition the most according to claim 1, it is characterised in that: the ratio table of described white carbon
Area is 30～90m2/ g, preferably 50～80m2/g。
Rubber composition the most according to claim 1, it is characterised in that: described filer content between
40 to 150phr.
Rubber composition the most according to claim 1, it is characterised in that: described polydiene selects
From natural rubber, isoprene rubber, butyl rubber, butadiene rubber, butadiene-styrene rubber or a combination thereof.
Rubber composition the most according to claim 1, it is characterised in that: also include white carbon black, this charcoal
Black iodine absorption value is 5 to 150g/kg, and the absorption value of DBP is 30 to 150cm3/100g。
7. a tyre assembly, comprises the arbitrary described rubber composition of claim 1 to 6.
Tyre assembly the most according to claim 7, it is characterised in that: described rubber composition is used for taking turns
The tyre surface of tire assembly, sidewall, crown or liner.
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| CN201610334787.4A CN105837883A (en) | 2016-05-19 | 2016-05-19 | Rubber composition and tire assembly |
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| CN106674661A (en) * | 2016-12-14 | 2017-05-17 | 安徽得尚电子科技有限公司 | Corrosion-resistant rubber |
| CN112883320A (en) * | 2021-01-14 | 2021-06-01 | 中策橡胶集团有限公司 | Method for calculating wet land hysteresis friction coefficient of vulcanized rubber composition and application of method in tire design |
| CN112883320B (en) * | 2021-01-14 | 2023-08-08 | 中策橡胶集团股份有限公司 | Calculation method of wet land hysteresis friction coefficient of vulcanized rubber composition and application of calculation method in tire design |
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