CN109575372A - Ultralow rolling hinders all-steel radial tyre tread rubber composition - Google Patents
Ultralow rolling hinders all-steel radial tyre tread rubber composition Download PDFInfo
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2307/00—Characterised by the use of natural rubber
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2407/00—Characterised by the use of natural rubber
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2409/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- 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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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3437—Six-membered rings condensed with carbocyclic rings
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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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
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- Compositions Of Macromolecular Compounds (AREA)
- Tires In General (AREA)
Abstract
The present invention relates to rubber for tire technical fields, specifically a kind of ultralow rolling hinders all-steel radial tyre tread rubber composition, it is characterized by: being prepared by the raw material of following weight parts, 65-70 parts of natural rubbers, 50~60 parts of wet processes are kneaded natural gum, 20~30 parts of reinforced fillings, 5~10 parts of silane coupling agents, 1~5 part of plasticizer, 5~10 portions of activating agents, 2~6 parts of anti-aging agents, 1~5 part of vulcanizing agent, 2~5 parts of vulcanization accelerators.Present invention application wet process is kneaded natural gum substitution part natural gum and part white carbon black, white carbon black is dispersed in natural gum by wet process, the Mooney viscosity that formula can be effectively reduced, solves the problems, such as the Mooney poor in processability of high white carbon black formula, while increasing the dispersibility of filler in formula.Using the tyre surface glue composition that the formula produces, the rolling resistance of tire tread can be substantially reduced, the tire product of A grades of rollings resistance is obtained.
Description
Technical field
The present invention relates to rubber for tire technical field, specifically a kind of ultralow rolling hinders all-steel radial tyre tyre surface rubber
Glue composition.
Background technique
It is well known that the requirement of low-carbon emission is higher and higher, automobile as understanding of the people to environmental protection is constantly deepened
Energy consumption consumption to reduce be the key that automotive energy-saving emission-reducing, research green, low-carbon emission tire product are that current tyre industry closes
Note and research hot spot, reduce tire drag to the target reach play the role of it is vital.Tread rubber is for drop
The contribution of low tire drag is maximum, and tyre surface is component of the tire running in the process directly with ground face contact, reduces tyre surface
Hysteresis loss can be effectively reduced tire drag.White carbon black and latex are applied by Wet technique in rubber product
Production in, can effectively improve dispersion performance between white carbon black and glue in formula, to reduce the hysteresis loss of sizing material, drop
Low-heat-generation.New tread glue formula is developed using wet process glue, is the research hotspot of some Research Centers tire enterprise in one's power.Patent
CN102153765A provides a kind of preparation method of rubber wet masterbatch, contains packing material in the wet masterbatch, fills out
Material is uniformly dispersed in rubber.In patent CN102219913A, which is used to make half finished rubber group by inventor
Object is closed, the highest compared with comparing case of the rubber composition heat generation after measuring vulcanization improves 20%.Patent CN102356120A
Propose a kind of preparation method containing carbon black filler rubber wet masterbatch, and the rubber composition formed using this masterbatch
And the tire of manufacture, as a result, it has been found that dispersion of the carbon black in rubber can be improved using this Wet technique, improve tire intensity,
The characteristics such as wear-resisting, heat.But it is had not been reported using the tyre surface formula that wet process rubber compound develops A grades of rolling resistance tires.
Summary of the invention
The object of the invention is to hinder all-steel radial tyre to overcome the deficiencies of the prior art and provide the ultralow rolling of one kind
Tread rubber composition is kneaded natural gum using the wet process for being added to white carbon black and develops one kind suitable for all-steel radial tyre
The rubber composition of tyre surface can make rolling resistance rank reach A grades using the tire that the rubber composition manufactures.
The present invention solve above-mentioned technical problem the technical solution adopted is that: a kind of ultralow rolling resistance all-steel radial tyre tyre surface
Rubber composition, it is characterised in that: be prepared by the raw material of following weight parts, 65-70 parts of natural rubbers, 50~60 parts of wet processes
It is kneaded natural gum, 20~30 parts of reinforced fillings, 5~10 parts of silane coupling agents, 1~5 part of plasticizer, 5~10 parts of activating agents, 2~6
Part anti-aging agent, 1~5 part of vulcanizing agent, 2~5 parts of vulcanization accelerators.
The mass fraction that the wet process is kneaded filling white carbon black effective ingredient in natural gum is 42% ± 2%.
The reinforced filling is resistance to for the precipitation method high-dispersion white carbon black of 10~15 parts by weight and the height of 10~15 parts by weight
The mixture of carbon black, the high dispersive type white carbon black are ground, CTAB value is greater than 150m2/g。
The silane coupling agent is silane X50S, and silane X50S is 50% double-[γ-(triethoxysilicane) by weight
Propyl] tetrasulfide and 50% N330 carbon black mixture.
The plasticizer is paraffin and microwax, and dosage weight ratio is 1:2.
The activating agent is zinc oxide and stearic acid.
The anti-aging agent is the mixture of antioxidant 4020, anti-aging agent RD, antioxidant D TPD.
The vulcanizing agent is the sulphur that the butadiene-styrene rubber of effective content 80% is granulated.
The vulcanization accelerator is that the butadiene-styrene rubber of effective content 80% is granulated DPG and is granulated NS.
The invention has the advantages that being kneaded natural gum substitution part natural gum and part white carbon black, wet process using wet process
White carbon black is dispersed in natural gum, then carries out mixing mixing under dry method with other fillers, filler can be effectively improved
Between disperse, the Mooney viscosity of formula can be effectively reduced, solve the problems, such as the Mooney poor in processability of high white carbon black formula, increase simultaneously
Filled dispersibility in formula.Using the tyre surface glue composition that the formula produces, the rolling of tire tread can be substantially reduced
Dynamic resistance obtains the tire product of A grades of rollings resistance.
Specific embodiment
The calendering process of tread rubber composition of the invention is as follows, and composite formula table is shown in Table 1.
Comparative example and embodiment 1,2,3 are all made of tandem mixer low-temperature primary method rubber mixing technique, feed intake；It will be natural
Glue, wet process glue, auxiliary agent small powder, high-dispersion white carbon black are added in upper mixer, close gallery ports, put into automatic weighing carbon black, with
Speed 30~45s of mixing of 40~45r/min mentions bolt and adds zinc oxide, and pressure bolt is kneaded, with 5~30r/min of speed change 140~145
Constant temperature DEG C is kept to be kneaded 90s, discharge to lower mixer, in 135~140 DEG C of mixing 160s of lower mixer constant temperature, dumping is to beginning to pratise
On, added sulphur open mill to add vulcanizing agent, promotor are cooling after mixing to receive glue.
Natural rubber is mark glue SMR 20#, STR 20#.The preparation method that wet process is kneaded natural gum is shown in patent CN
108070180A.It is 42% ± 2% that the wet process, which is kneaded filling white carbon black effective ingredient (mass fraction) in natural gum,.Reinforcement is filled out
Material is 1165 MP and 10~15 parts of precipitation method high-dispersion white carbon black Zeosil of orion of 10~15 parts of Solvay companies production
Company produces the mixture of high wear-resistant carbon black Corax HP130, high dispersive type white carbon black, and CTAB value is greater than 150m2/g.Silane
Coupling agent is X50S, and silane X50S is 50% double-[γ-(triethoxysilicane) propyl] tetrasulfide and 50% N330 carbon black
Mixture.Plasticizer is paraffin and microwax, amount ratio 1:2.Activating agent is zinc oxide and stearic acid.
Preferably, the anti-aging agent is the mixture of antioxidant 4020, anti-aging agent RD, antioxidant D TPD.Vulcanizing agent is to have
Imitate the sulphur that the butadiene-styrene rubber of content 80% is granulated.Vulcanization accelerator is that the butadiene-styrene rubber of effective content 80% is granulated DPG and is granulated
NS。
Table 1
Composition physical property measurement: vulcanizing 30min at 150 DEG C for above-mentioned composition, obtains vulcanization test piece and springs back sample, carries out
Following tests, the result is as follows:
Table 2
The manufacture of tire: tire specification 315/80R22.5, respectively using example 1 above, 2 and the combination of comparative example tread rubber
Object, by the hot feeding of open mill to tri-extruder, extruded tread semi-finished product, tyre surface semi-finished product and other component three drum at
The molding of type machine obtains finished product tire, is cut hair, trimming, appearance, dynamic balancing, X-ray check after the vulcanization of finished product tire, closed after fetus vulcanization
For rolling resistance test after lattice.
Rolling resistance test: rolling resistance testing standard is GB/T18861-2002, and using dynamometry, obtained rolling hinders
Coefficient and rank such as table 3(European Union tire tag law regulation C3 class tire, RRC≤4.0 are A grades).
Table 3
Claims (9)
1. a kind of ultralow rolling hinders all-steel radial tyre tread rubber composition, it is characterised in that: by the raw material of following weight parts
It is prepared, 65-70 parts of natural rubbers, 50~60 parts of wet processes are kneaded natural gum, 20~30 parts of reinforced fillings, 5~10 parts of silane
Coupling agent, 1~5 part of plasticizer, 5~10 portions of activating agents, 2~6 parts of anti-aging agents, 1~5 part of vulcanizing agent, 2~5 parts of vulcanization accelerators.
2. ultralow rolling hinders all-steel radial tyre tread rubber composition according to claim 1, it is characterised in that described
The mass fraction that wet process is kneaded filling white carbon black effective ingredient in natural gum is 42% ± 2%.
3. ultralow rolling hinders all-steel radial tyre tread rubber composition according to claim 1, it is characterised in that described
Reinforced filling is the mixture of the precipitation method high-dispersion white carbon black of 10~15 parts by weight and the high wear-resistant carbon black of 10~15 parts by weight,
The high dispersive type white carbon black, CTAB value are greater than 150m2/g。
4. ultralow rolling hinders all-steel radial tyre tread rubber composition according to claim 1, it is characterised in that described
Silane coupling agent is silane X50S, and silane X50S is 50% double-[γ-(triethoxysilicane) propyl] tetrasulfide by weight
With the mixture of 50% N330 carbon black.
5. ultralow rolling hinders all-steel radial tyre tread rubber composition according to claim 1, it is characterised in that described
Plasticizer is paraffin and microwax, and dosage weight ratio is 1:2.
6. ultralow rolling hinders all-steel radial tyre tread rubber composition according to claim 1, it is characterised in that described
Activating agent is zinc oxide and stearic acid.
7. ultralow rolling hinders all-steel radial tyre tread rubber composition according to claim 1, it is characterised in that described
Anti-aging agent is the mixture of antioxidant 4020, anti-aging agent RD, antioxidant D TPD.
8. ultralow rolling hinders all-steel radial tyre tread rubber composition according to claim 1, it is characterised in that described
Vulcanizing agent is the sulphur that the butadiene-styrene rubber of effective content 80% is granulated.
9. ultralow rolling hinders all-steel radial tyre tread rubber composition according to claim 1, it is characterised in that described
Vulcanization accelerator is that the butadiene-styrene rubber of effective content 80% is granulated DPG and is granulated NS.
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| CN201811398529.8A CN109575372B (en) | 2018-11-22 | 2018-11-22 | Ultra-low rolling resistance all-steel radial tire tread rubber composition |
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| CN201811398529.8A CN109575372B (en) | 2018-11-22 | 2018-11-22 | Ultra-low rolling resistance all-steel radial tire tread rubber composition |
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| CN109575372B CN109575372B (en) | 2021-02-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305374A (en) * | 2019-07-22 | 2019-10-08 | 三角轮胎股份有限公司 | Low rolling hinders all-steel radial tyre tread rubber composition |
| CN111393723A (en) * | 2020-05-28 | 2020-07-10 | 江苏通用科技股份有限公司 | All-steel driving tire tread rubber and preparation method thereof |
| CN114891280A (en) * | 2022-04-13 | 2022-08-12 | 青岛中科华瑞纳科技有限公司 | Superstrong tear-resistant rubber composition for crawler belt body |
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| JP2004099625A (en) * | 2001-07-27 | 2004-04-02 | Bridgestone Corp | Natural rubber masterbatch and its manufacturing method |
| JP2006213804A (en) * | 2005-02-03 | 2006-08-17 | Bridgestone Corp | Rubber composition |
| CN102153765A (en) * | 2011-01-14 | 2011-08-17 | 东洋橡胶工业株式会社 | Rubber wet masterbatch and manufacture method thereof, rubber composition and pneumatic tire |
| CN102219913A (en) * | 2011-03-07 | 2011-10-19 | 东洋橡胶工业株式会社 | Unvulcanized rubber composition, manufacturing method thereof and pneumatic tire |
| CN102356120A (en) * | 2009-03-16 | 2012-02-15 | 株式会社普利司通 | Process for producing rubber-wet masterbatch, rubber composition, and tire |
| CN102775650A (en) * | 2012-08-09 | 2012-11-14 | 杭州中策橡胶有限公司 | Tread rubber sizing material containing liquid phase dispersion white carbon black latex mixture and preparation method and application thereof |
| CN108410032A (en) * | 2018-04-18 | 2018-08-17 | 青岛科技大学 | A kind of tire tread glue sizing material and preparation method thereof |
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2018
- 2018-11-22 CN CN201811398529.8A patent/CN109575372B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004099625A (en) * | 2001-07-27 | 2004-04-02 | Bridgestone Corp | Natural rubber masterbatch and its manufacturing method |
| JP2006213804A (en) * | 2005-02-03 | 2006-08-17 | Bridgestone Corp | Rubber composition |
| CN102356120A (en) * | 2009-03-16 | 2012-02-15 | 株式会社普利司通 | Process for producing rubber-wet masterbatch, rubber composition, and tire |
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| CN102219913A (en) * | 2011-03-07 | 2011-10-19 | 东洋橡胶工业株式会社 | Unvulcanized rubber composition, manufacturing method thereof and pneumatic tire |
| CN102775650A (en) * | 2012-08-09 | 2012-11-14 | 杭州中策橡胶有限公司 | Tread rubber sizing material containing liquid phase dispersion white carbon black latex mixture and preparation method and application thereof |
| CN108410032A (en) * | 2018-04-18 | 2018-08-17 | 青岛科技大学 | A kind of tire tread glue sizing material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305374A (en) * | 2019-07-22 | 2019-10-08 | 三角轮胎股份有限公司 | Low rolling hinders all-steel radial tyre tread rubber composition |
| CN111393723A (en) * | 2020-05-28 | 2020-07-10 | 江苏通用科技股份有限公司 | All-steel driving tire tread rubber and preparation method thereof |
| CN114891280A (en) * | 2022-04-13 | 2022-08-12 | 青岛中科华瑞纳科技有限公司 | Superstrong tear-resistant rubber composition for crawler belt body |
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| CN109575372B (en) | 2021-02-26 |
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