CN106046435A - Tire shoulder rubber material for radial tires and method for preparing tire shoulder rubber material - Google Patents
Tire shoulder rubber material for radial tires and method for preparing tire shoulder rubber material Download PDFInfo
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- CN106046435A CN106046435A CN201610357481.0A CN201610357481A CN106046435A CN 106046435 A CN106046435 A CN 106046435A CN 201610357481 A CN201610357481 A CN 201610357481A CN 106046435 A CN106046435 A CN 106046435A
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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
- C08K13/02—Organic and inorganic ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
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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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K3/02—Elements
- C08K3/06—Sulfur
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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
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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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
- 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
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- 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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to the field of rubber tires, in particular to a tire shoulder rubber material for radial tires and a method for preparing the tire shoulder rubber material. The tire shoulder rubber material comprises, by weight, 100 parts of natural rubber, 45-60 parts of white carbon black, 40-60 parts of universal carbon black, 20-30 parts of carbon black with high abrasion resistance, 3-5 parts of zinc oxide rubber master batch particles, 1-3 parts of sulfur, 1.5-2 parts of accelerators, 2-5 parts of stearic acid, 1-3 parts of magnesium oxide, 3-5 parts of anti-aging agents, 0.5-1 part of anti-scorching agents, 1-2 parts of coupling agents, 1-3 parts of anti-vulcanization-reversion agents and 3-5 parts of vulcanizing agents. The tire shoulder rubber material and the method have the advantages that the heat conduction property of the tire shoulder rubber material can be effectively improved, heat can be timely dissipated, accordingly, temperature rise can be prevented, and the problem of shoulder vacancy phenomena can be solved.
Description
Technical field
The present invention relates to a kind of rubber tyre field, be specifically related to a kind of Tire shoulder rubber material for radial tire and preparation side thereof
Method.
Background technology
Along with the fast development of domestic highway, radial the most gradually instead of traditional cross-ply, becomes
For a kind of staple product in tire.Puzzlement for radial maximum at present is tire shoulder heat radiation difficulty, due to shoulder portion
Position is position the thickest in whole tire, and for the support zone of tire, the active force born is big, and heat is fast, rubber be heat not
Good conductor is so heat radiation is slow, and after tire heat, shoulder region heat accumulation temperature is higher easily causes the empty phenomenon of shoulder.Ask for this
Topic, prior art has done a lot of improvement and research, as improved on tire construction: shoulder region chamfering reduced herein
Bondline thickness；Tire shoulder is made the design of inner concave shape radian, is to reduce bondline thickness equally；Strengthen belt width, reduce tire shoulder
Position distortions and then reduction tire shoulder heat.Although improving to some extent, but shoulder region glue-line is relatively improved people's living condition, heat cannot be avoided, it is impossible to
Fundamentally solve the empty problem of shoulder.
Summary of the invention
For the problems referred to above, the invention provides a kind of Tire shoulder rubber material for radial tire and preparation method thereof, improve sizing material
Heat conductivility, sheds heat in time and avoids temperature to raise, and solves the empty phenomenon of shoulder.
In parts by weight, its proportioning is each component of Tire shoulder rubber material for radial tire of the present invention: natural gum 100
Part, white carbon 45-60 part, Universal carbon black 40-60 part, high wear-resistant carbon black 20-30 part, zinc oxide masterbatch particles 3-5 part, sulfur 1-3
Part, accelerator 1.5-2 part, stearic acid 2-5 part, magnesium oxide 1-3 part, age resistor 3-5 part, antiscorching agent 0.5-1 part, coupling agent 1-2
Part, anti-recovery agent 1-3 part, vulcanizing agent 3-5 part.
Wherein, formula rubber system is pure natural rubber, and natural rubber has the physical and mechanical properties and good of excellence
Processing performance.Filling system uses high wear-resistant carbon black, Universal carbon black and white carbon and uses.The main purpose adding white carbon is fall
The heat generation of low sizing material, improves the tear-resistant performance of sizing material.White carbon is due to specific surface area, the silane on surface and silanol chemistry official
Functionality can be rolled into a ball strong, therefore there is between white carbon and white carbon strong interaction, cause the bad dispersibility in rubber,
White carbon consumption the biggest sizing material processability is the poorest, such as mixing behavior, extrusion performance, in order to improve the processing characteristics of sizing material and resistance to
Ageing properties, adds modified fat acid zinc soap salt anti-recovery agent in formula.
Zinc oxide masterbatch particles in formula can improve: (1), zinc oxide and the dispersibility of natural gum；(2), can realize
Accurate measurement, it is ensured that the quality of vulcanizate；(3) it is readily transported and stores；(4) operator's Occupational Disease Hazards is prevented；(5) improve
The compatibility between rubber and auxiliary agent, in rubber scattered more preferably, be thus susceptible in rubber dispersed, thus play joint
The effect of energy environmental protection.Additionally, in the present invention zinc oxide masterbatch particles and magnesium oxide with the use of, due to both heat conductivity far away
More than the heat conductivity of natural gum, therefore can be greatly improved the heat conductivility of shoulder region, solve the problem that wheel tire shoulder is empty.
Grope to find through inventor's long term test, in this Tire shoulder rubber material, zinc oxide masterbatch particles and the mass ratio of magnesium oxide
For 2:1, white carbon: Universal carbon black: during high wear-resistant carbon black (mass ratio)=2:2:1, effect is best.
Further, in parts by weight, its proportioning is each component of Tire shoulder rubber material of the present invention: natural gum 100
Part, white carbon 50 parts, Universal carbon black 50 parts, high wear-resistant carbon black 25 parts, zinc oxide masterbatch particles 4 parts, 2 parts of sulfur, accelerator 2 parts,
Stearic acid 3 parts, magnesium oxide 2 parts, 4 parts of age resistor, antiscorching agent 1 part, coupling agent 2 parts, anti-recovery agent 2 parts, vulcanizing agent 4 parts
Time, effect is best.
Present invention also offers the preparation method of described Tire shoulder rubber material for radial tire, it concretely comprises the following steps:
1) one section mixing: in banbury add natural rubber, banbury rotating speed 40-60 rev/min, pressurize 15-18MPa,
30-50s carries stone roller, and now, each component high polymer material is the most in viscous state, then, puts into zinc oxide masterbatch particles, magnesium oxide, 60-
70% Universal carbon black, white carbon, high wear-resistant carbon black, age resistor, stearic acid, coupling agent, pressurize 15-18MPa, reaches in temperature
Carrying stone roller when 120-130 DEG C, pressurize 15-18MPa, to binder removal when 150-170 DEG C；
2) two-stage mixing: add one section of elastomeric compound, banbury rotating speed 30-50 rev/min in banbury, press floating weight 30-
40 seconds, carrying stone roller, add surplus general remaining white carbon black, pressurization 30-40s carries stone roller, and pressurize 15-18MPa, 145-160 DEG C of binder removal；
3) sulfur technique is added: in banbury, put into two-stage mixing glue, add sulfur, accelerator, anti-recovery agent, sulfuration
Agent, antiscorching agent, rotating speed 20-40 rev/min, pressurization 15-17MPa, the 20-40 second carries stone roller, and pressurize 15-17MPa, 95-105 DEG C of binder removal.
One or more in N375, N330, N351 of high wear-resistant carbon black of the present invention；Described general charcoal
Black for N660, described white carbon is ordinary precipitation process white carbon.Remaining auxiliary agent is auxiliary agent commonly used in the art.
In sum, the invention have the advantages that
1, by using zinc oxide masterbatch particles that it is disperseed in the mixing process of Tire shoulder rubber material for radial tire, change
It is apt to the problem that metering is inaccurate, dispersion is uneven of zinc oxide in Tire shoulder rubber material for radial tire mixing process, improves operation ring
Border, improves work efficiency, and then significantly improves the hot strength of sizing material, stretching strength, ageing-resistant performance and deflect tired with resistance to
The performances such as labor；
2, in the present invention zinc oxide masterbatch particles and magnesium oxide with the use of, owing to both heat conductivitys are far longer than natural
The heat conductivity of glue, therefore can be greatly improved the heat conductivility of shoulder region, solves the problem that wheel tire shoulder is empty；
3, high wear-resistant carbon black of the present invention, Universal carbon black and white carbon with the use of, whole filler reinforcement system number is few, then
Plus in formula use fatty acid zinc soap salt anti-recovery agent so that gained sizing material there is low-heat-generation, ageing-resistant performance
With the feature such as tear-resistant.
Detailed description of the invention:
Embodiment 1
A kind of Tire shoulder rubber material for radial tire, it is characterised in that: in parts by weight, it joins each component of this Tire shoulder rubber material
Ratio is: natural gum 100 parts, white carbon 50 parts, Universal carbon black 50 parts, high wear-resistant carbon black 25 parts, zinc oxide masterbatch particles 4 parts, sulfur 2
Part, accelerator 2 parts, stearic acid 3 parts, magnesium oxide 2 parts, 4 parts of age resistor, antiscorching agent 1 part, coupling agent 2 parts, anti-recovery agent 2
Part, vulcanizing agent 4 parts.
The method of described described Tire shoulder rubber material for radial tire, it is characterised in that: it concretely comprises the following steps:
1) one section mixing: in banbury add natural rubber, banbury rotating speed 40 revs/min, pressurization 18MPa, 30s carry
Stone roller, now, each component high polymer material is the most in viscous state, then, puts into zinc oxide masterbatch particles, magnesium oxide, 60% general charcoal
Black, white carbon, high wear-resistant carbon black, age resistor, stearic acid, coupling agent, pressurize 15MPa, carries stone roller when temperature reaches 120 DEG C, adds
Pressure 18MPa, to binder removal when 150 DEG C；
2) two-stage mixing: add one section of elastomeric compound, banbury rotating speed 30 revs/min, pressure floating weight 30 seconds in banbury, carry
Stone roller, adds surplus general remaining white carbon black, and pressurization 30s carries stone roller, and pressurize 18MPa, 145 DEG C of binder removals；
3) sulfur technique is added: in banbury, put into two-stage mixing glue, add sulfur, accelerator, anti-recovery agent, sulfuration
Agent, antiscorching agent, rotating speed 20 revs/min, pressurize 17MPa, within 20 seconds, carries stone roller, and pressurize 15MPa, 95 DEG C of binder removals.
Embodiment 2
A kind of Tire shoulder rubber material for radial tire, it is characterised in that: in parts by weight, it joins each component of this Tire shoulder rubber material
Ratio is: natural gum 100 parts, white carbon 50 parts, Universal carbon black 50 parts, high wear-resistant carbon black 25 parts, zinc oxide masterbatch particles 4 parts, sulfur 2
Part, accelerator 2 parts, stearic acid 3 parts, magnesium oxide 2 parts, 4 parts of age resistor, antiscorching agent 0.5 part, coupling agent 1 part, anti-recovery agent
3 parts, vulcanizing agent 5 parts.
The method of described described Tire shoulder rubber material for radial tire, it is characterised in that: it concretely comprises the following steps:
1) one section mixing: in banbury add natural rubber, banbury rotating speed 60 revs/min, pressurization 15MPa, 50s carry
Stone roller, now, each component high polymer material is the most in viscous state, then, puts into zinc oxide masterbatch particles, magnesium oxide, 70% general charcoal
Black, white carbon, high wear-resistant carbon black, age resistor, stearic acid, coupling agent, pressurize 18MPa, carries stone roller when temperature reaches 130 DEG C, adds
Pressure 18MPa, to binder removal when 170 DEG C；
2) two-stage mixing: add one section of elastomeric compound, banbury rotating speed 50 revs/min, pressure floating weight 40 seconds in banbury, carry
Stone roller, adds surplus general remaining white carbon black, and pressurization 40s carries stone roller, and pressurize 15MPa, 160 DEG C of binder removals；
3) sulfur technique is added: in banbury, put into two-stage mixing glue, add sulfur, accelerator, anti-recovery agent, sulfuration
Agent, antiscorching agent, rotating speed 40 revs/min, pressurize 16MPa, within 40 seconds, carries stone roller, and pressurize 17MPa, 105 DEG C of binder removals.
Embodiment 3
A kind of Tire shoulder rubber material for radial tire, it is characterised in that: in parts by weight, it joins each component of this Tire shoulder rubber material
Ratio is: natural gum 100 parts, white carbon 45 parts, Universal carbon black 40 parts, high wear-resistant carbon black 20 parts, zinc oxide masterbatch particles 3 parts, sulfur 1
Part, accelerator 1.5 parts, stearic acid 2 parts, magnesium oxide 1 part, 5 parts of age resistor, antiscorching agent 1 part, coupling agent 1.2 parts, anti-recovery
Agent 1 part, vulcanizing agent 3 parts.
The method of described described Tire shoulder rubber material for radial tire, it is characterised in that: it concretely comprises the following steps:
1) one section mixing: in banbury add natural rubber, banbury rotating speed 50 revs/min, pressurization 16MPa, 40s carry
Stone roller, now, each component high polymer material is the most in viscous state, then, puts into zinc oxide masterbatch particles, magnesium oxide, 65% general charcoal
Black, white carbon, high wear-resistant carbon black, age resistor, stearic acid, coupling agent, pressurize 16MPa, carries stone roller when temperature reaches 125 DEG C, adds
Pressure 17MPa, to binder removal when 160 DEG C；
2) two-stage mixing: add one section of elastomeric compound, banbury rotating speed 40 revs/min, pressure floating weight 30 seconds in banbury, carry
Stone roller, adds surplus general remaining white carbon black, and pressurization 35s carries stone roller, and pressurize 18MPa, 150 DEG C of binder removals；
3) sulfur technique is added: in banbury, put into two-stage mixing glue, add sulfur, accelerator, anti-recovery agent, sulfuration
Agent, antiscorching agent, rotating speed 30 revs/min, pressurize 15MPa, within 30 seconds, carries stone roller, and pressurize 16MPa, 100 DEG C of binder removals.
Embodiment 4
A kind of Tire shoulder rubber material for radial tire, it is characterised in that: in parts by weight, it joins each component of this Tire shoulder rubber material
Ratio is: natural gum 100 parts, white carbon 60 parts, Universal carbon black 60 parts, high wear-resistant carbon black 30 parts, zinc oxide masterbatch particles 5 parts, sulfur 3
Part, accelerator 1.8 parts, stearic acid 3 parts, magnesium oxide 2 parts, 3.5 parts of age resistor, antiscorching agent 0.7 part, coupling agent 1.5 parts, sulfuration resistant
Revert agent 1.5 parts, vulcanizing agent 3.5 parts.
The method of described described Tire shoulder rubber material for radial tire, it is characterised in that: it concretely comprises the following steps:
1) one section mixing: in banbury add natural rubber, banbury rotating speed 45 revs/min, pressurization 17MPa, 35s carry
Stone roller, now, each component high polymer material is the most in viscous state, then, puts into zinc oxide masterbatch particles, magnesium oxide, 62% general charcoal
Black, white carbon, high wear-resistant carbon black, age resistor, stearic acid, coupling agent, pressurize 17MPa, carries stone roller when temperature reaches 127 DEG C, adds
Pressure 15MPa, to binder removal when 155 DEG C；
2) two-stage mixing: add one section of elastomeric compound, banbury rotating speed 35 revs/min, pressure floating weight 40 seconds in banbury, carry
Stone roller, adds surplus general remaining white carbon black, and pressurization 30s carries stone roller, and pressurize 17MPa, 155 DEG C of binder removals；
3) sulfur technique is added: in banbury, put into two-stage mixing glue, add sulfur, accelerator, anti-recovery agent, sulfuration
Agent, antiscorching agent, rotating speed 25 revs/min, pressurize 17MPa, within 25 seconds, carries stone roller, and pressurize 15MPa, 97 DEG C of binder removals.
Embodiment 5
A kind of Tire shoulder rubber material for radial tire, it is characterised in that: in parts by weight, it joins each component of this Tire shoulder rubber material
Ratio is: natural gum 100 parts, white carbon 45 parts, Universal carbon black 55 parts, high wear-resistant carbon black 20 parts, zinc oxide masterbatch particles 3 parts, sulfur 1
Part, accelerator 2 parts, stearic acid 4 parts, magnesium oxide 3 parts, 4.5 parts of age resistor, antiscorching agent 0.8 part, coupling agent 1.7 parts, sulfuration resistant is returned
Former dose 2.5 parts, vulcanizing agent 4.5 parts.
The method of described described Tire shoulder rubber material for radial tire, it is characterised in that: it concretely comprises the following steps:
1) one section mixing: in banbury add natural rubber, banbury rotating speed 55 revs/min, pressurization 18MPa, 45s carry
Stone roller, now, each component high polymer material is the most in viscous state, then, puts into zinc oxide masterbatch particles, magnesium oxide, 67% general charcoal
Black, white carbon, high wear-resistant carbon black, age resistor, stearic acid, coupling agent, pressurize 18MPa, carries stone roller when temperature reaches 130 DEG C, adds
Pressure 18MPa, to binder removal when 165 DEG C；
2) two-stage mixing: add one section of elastomeric compound, banbury rotating speed 45 revs/min, pressure floating weight 35 seconds in banbury, carry
Stone roller, adds surplus general remaining white carbon black, and pressurization 30s carries stone roller, and pressurize 18MPa, 150 DEG C of binder removals；
3) sulfur technique is added: in banbury, put into two-stage mixing glue, add sulfur, accelerator, anti-recovery agent, sulfuration
Agent, antiscorching agent, rotating speed 35 revs/min, pressurize 15MPa, within 35 seconds, carries stone roller, and pressurize 17MPa, 102 DEG C of binder removals.
Table 1 present invention contrasts with prior art performance parameter
| Pilot project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Prior art |
| Heat conductivity/W/mK | 0.518 | 0.511 | 0.495 | 0.493 | 0.503 | |
| Hot strength/MPa | 29 | 26 | 26 | 24 | 23 | 23-28 |
| 300% stretches/MPa surely | 14.8 | 13.7 | 13.2 | 14.1 | 13.0 | 8-11 |
| Elongation at break/% | 510 | 517 | 513 | 519 | 520 | 500-560 |
| Tearing strength/KN/m | 128 | 123 | 120 | 127 | 119 | 45-57 |
| Permanent deformation/% | 3.1 | 3.5 | 3.8 | 4.2 | 4.5 | 20-28 |
| Shore hardness/degree | 69 | 68 | 63 | 65 | 67 | 53-58 |
| Mooney scorch/127 DEG C * Min | 22 | 18 | 19 | 21 | 20 | 13-20 |
Claims (5)
1. a Tire shoulder rubber material for radial tire, it is characterised in that: each component of this Tire shoulder rubber material in parts by weight, its proportioning
For: natural gum 100 parts, white carbon 45-60 part, Universal carbon black 40-60 part, high wear-resistant carbon black 20-30 part, zinc oxide masterbatch particles 3-
5 parts, sulfur 1-3 part, accelerator 1.5-2 part, stearic acid 2-5 part, magnesium oxide 1-3 part, age resistor 3-5 part, antiscorching agent 0.5-1
Part, coupling agent 1-2 part, anti-recovery agent 1-3 part, vulcanizing agent 3-5 part.
Tire shoulder rubber material for radial tire the most according to claim 1, it is characterised in that: in this Tire shoulder rubber material, zinc oxide is female
Micelle is 2:1 with the mass ratio of magnesium oxide.
Tire shoulder rubber material for radial tire the most according to claim 1, it is characterised in that: in this Tire shoulder rubber material, with mass ratio
Meter, white carbon: Universal carbon black: high wear-resistant carbon black=2:2:1.
Tire shoulder rubber material for radial tire the most according to claim 1, it is characterised in that: each component of this Tire shoulder rubber material according to
Weight portion meter, its proportioning is: natural gum 100 parts, white carbon 50 parts, Universal carbon black 50 parts, high wear-resistant carbon black 25 parts, and zinc oxide is female
4 parts of micelle, 2 parts of sulfur, accelerator 2 parts, stearic acid 3 parts, magnesium oxide 2 parts, 4 parts of age resistor, antiscorching agent 1 part, coupling agent 2 parts,
Anti-recovery agent 2 parts, vulcanizing agent 4 parts.
5. the method for preparation Tire shoulder rubber material for radial tire described in claim 1, it is characterised in that: it concretely comprises the following steps:
1) one section mixing: in banbury add natural rubber, banbury rotating speed 40-60 rev/min, pressurize 15-18MPa, 30-
50s carries stone roller, and now, each component high polymer material is the most in viscous state, then, puts into zinc oxide masterbatch particles, magnesium oxide, 60-
70% Universal carbon black, white carbon, high wear-resistant carbon black, age resistor, stearic acid, coupling agent, pressurize 15-18MPa, reaches in temperature
Carrying stone roller when 120-130 DEG C, pressurize 15-18MPa, to binder removal when 150-170 DEG C；
2) two-stage mixing: add one section of elastomeric compound, banbury rotating speed 30-50 rev/min in banbury, press the floating weight 30-40 second,
Carrying stone roller, add surplus general remaining white carbon black, pressurization 30-40s carries stone roller, and pressurize 15-18MPa, 145-160 DEG C of binder removal；
3) add sulfur technique: in banbury, put into two-stage mixing glue, add sulfur, accelerator, anti-recovery agent, vulcanizing agent,
Antiscorching agent, rotating speed 20-40 rev/min, pressurization 15-17MPa, the 20-40 second carries stone roller, and pressurize 15-17MPa, 95-105 DEG C of binder removal.
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| CN201610357481.0A CN106046435A (en) | 2016-05-26 | 2016-05-26 | Tire shoulder rubber material for radial tires and method for preparing tire shoulder rubber material |
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| CN201610357481.0A CN106046435A (en) | 2016-05-26 | 2016-05-26 | Tire shoulder rubber material for radial tires and method for preparing tire shoulder rubber material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734612A (en) * | 2019-09-30 | 2020-01-31 | 德州玲珑轮胎有限公司 | fatigue-resistant chlorosulfonated polyethylene rubber composition, and preparation method and application thereof |
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