CN105885123A - High-performance rubber composition for off-road passenger car tire sidewalls - Google Patents
High-performance rubber composition for off-road passenger car tire sidewalls Download PDFInfo
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- CN105885123A CN105885123A CN201610326342.1A CN201610326342A CN105885123A CN 105885123 A CN105885123 A CN 105885123A CN 201610326342 A CN201610326342 A CN 201610326342A CN 105885123 A CN105885123 A CN 105885123A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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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
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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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a high-performance rubber composition for off-road passenger car tire sidewalls. The high-performance rubber composition for off-road passenger car tire sidewalls is composed of the following raw materials in parts by weight: 100 parts of matrix rubber, 40-70 parts of carbon black, 2.5-8 parts of activator, 1.5-4.5 parts of modified predispersed aramid short fiber, 1.5-5 parts of anti-aging agent, 1-3 parts of vulcanizing agent, 0.5-3 parts of accelerator, 0.1-0.5 part of anti-scorching agent, 4-8 parts of process oil, 3-6 parts of tackifying resin and 1-3 parts of microcrystalline wax. The matrix rubber is composed of 40-70 parts of high-cis cis-1,4-polybutadiene rubber and 30-60 parts of natural rubber. The activator is composed of zinc oxide and stearic acid. The vulcanizing agent is sulfur. The coupling agent, which is used for modifying the predispersed aramid short fibers, has favorable functions on enhancing the tear resistance and puncture resistance of the tire sidewall rubber. The tire prepared from the high-performance rubber composition is an off-road passenger car tire, and obviously enhances the throughput capacity and driving safety of severe pavements.
Description
Technical field
The present invention relates to rubber field, particularly to a kind of high-performance rubber group for cross-country passenger tire sidewall
Compound.
Background technology
Sidewall is as one of most important parts of tire, and its Main Function is that protection carcass is without damage, requires it simultaneously
Warping strength performance, tear resistance, good heat dispersion performance, from the end of the eighties in last century, radial-ply tyre is domestic from being abroad introduced into China
Since, the component of sidewall formula rubber is substantially natural gum or rubber polymer etc..Along with national economy and the development of auto industry, specially
It is continuously increased with kinds of automobile, tire is proposed new higher professional requirement.Cross-country passenger tire sidewall is typically designed with
Pattern block, is used for reducing severe road surface and to the damage on sidewall and increases the vehicle traction under muddy severe rugged environment.At sidewall band
Having in the embodiment of off-the-highway tire performance of decorative pattern, sidewall properties of rubber plays key effect, improves the resistance to puncture in sidewall, tear-resistant
Performance, strengthen sidewall pattern block anti-fall block performance become key problem in technology point.
Summary of the invention
In order to strengthen the anti-puncture system performance on sidewall and sidewall pattern block anti-fall block performance, and then improve making of tire
With the life-span, the present invention provides a kind of high-performance rubber composition for cross-country passenger tire sidewall and preparation method.
The technical scheme is that
For the high-performance rubber composition on cross-country passenger tire sidewall, according to parts by weight its by following raw material group
Become: base rubber 100 parts, white carbon black 40-70 part, activating agent 2.5-8 part, modified pre-dispersed aramid fiber short fibre 1.5-4.5 part, anti-old
Agent 1.5-5 part, vulcanizing agent 1-3 part, accelerator 0.5-3 part, antiscorching agent 0.1-0.5 part, operation oil 4-8 part, tackifying resin 3-6
Part, microwax 1-3 part；Wherein base rubber is high-cis cis-butadiene cement 40-70 part and natural rubber 30-60 part, and activating agent is by oxygen
Changing zinc and stearic acid composition, vulcanizing agent is sulfur.
Preferably, base rubber is mark glue 20# and high-cis cis-butadiene cement；
Preferably, in described activating agent, zinc oxide is 2-5 part, and remaining is stearic acid；
Described age resistor is N (1,3 dimethylbutyl) N diphenyl-para-phenylene diamine and 2,2,4-trimethyl-1,2-dihydro
Change quinoline；
The pre-dispersed aramid fiber short fibre of described modification, for using coupling agent modified pre-dispersed aramid fiber short fibre；
Described accelerator is N tert butyl benzothiazole 2 sulfenamide；
Described antiscorching agent is N-cyclohexylthiophthalimide.
The combination of above-mentioned high-performance rubber is utilized to prepare the method for cross-country passenger tire sidewall sizing material as follows:
1, pre-dispersed aramid fiber short fibre modification:
Pre-dispersed aramid fiber short fibre and coupling agent are joined in banbury according to the ratio of 5:1, according to 45r min-1's
Mixing to 150-160 DEG C of rotating speed also keeps 2 minutes obtaining modified pre-dispersed aramid fiber short fibre.
2, sidewall rubber compounding divides three-stage mixing:
One section mixing is carried out in E type kneading type banbury, rotor speed 45r min-1, charging sequence is: high-cis is suitable
Fourth glue, natural rubber, age resistor, stearic acid, zinc oxide, modified pre-dispersed aramid fiber short fibre, tackifying resin, microwax, white carbon black,
Carrying bolt, add operation oil, then carry bolt, binder removal, dump temperature is 155-165 DEG C, obtains one section of rubber master batch；
Two-stage mixing rotor speed 45r min-1, adding one section of rubber master batch, carry bolt, binder removal, dump temperature is 145-155 DEG C,
Obtain two-stage nitration rubber master batch；
Refining is carried out in N-type banbury eventually, rotor speed 20r min-1, charging sequence: two-stage nitration rubber master batch, vulcanizing agent, promotion
Agent, antiscorching agent, binder removal, dump temperature 100～110 DEG C.
The present invention selects to add a certain amount of pre-dispersed aramid fiber short fibre to improve the anti tear of polymer, thorn resistance energy,
For improving the dispersion in sizing material of the pre-dispersed aramid fiber short fibre, play preferably effect, use coupling agent to pre-dispersed chopped fiber
After being modified, well effect is played in the puncture performance boost tear-resistant, anti-to sidewall sizing material, therefore combines at sidewall rubber
Thing adds and uses coupling agent modified pre-dispersed aramid fiber short fibre so that sizing material anti tear, hot strength and stress at definite elongation etc.
Performance is obviously improved, substantially increase riding off-the-highway tire on severe road surface by property, improve riding offroad vehicle
Drive safety.Preparation technology aspect uses variable-speed calendering, optimization sizing material order to overcome modified pre-dispersed aramid fiber short fibre to process
The shortcomings such as poor performance, combine the excellent properties of various rubber, have both improve the resistance to puncture of tire sidewall, tear resistance, again
Ensure the smooth and easy of processing technique.
Detailed description of the invention
The detailed description of the invention of the present invention is as follows:
The high-performance rubber composition for cross-country passenger tire sidewall is obtained according to following components proportioning
In described activating agent, zinc oxide is 2-5 part, and remaining is stearic acid；
Described age resistor is N (1,3 dimethylbutyl) N diphenyl-para-phenylene diamine and 2,2,4-trimethyl-1,2-dihydro
Change quinoline；
The method utilizing high-performance rubber composition to prepare cross-country passenger tire sidewall rubber is
One, pre-dispersed aramid fiber short fibre modification:
Pre-dispersed aramid fiber short fibre and coupling agent are joined in banbury according to the ratio of 5:1, according to 45r min-1's
Mixing to 150-160 DEG C of rotating speed also keeps 2 minutes obtaining modified pre-dispersed aramid fiber short fibre.
Two, sidewall rubber compounding divides three-stage mixing:
One section mixing is carried out in E type kneading type banbury, rotor speed 45r min-1, charging sequence is: high-cis is suitable
Fourth glue, natural rubber, age resistor, stearic acid, zinc oxide, modified pre-dispersed aramid fiber short fibre, tackifying resin, microwax, white carbon black,
Carrying bolt, add operation oil, then carry bolt, binder removal, dump temperature is 155-165 DEG C, obtains one section of rubber master batch, it is therefore an objective to improve rubber plastic
Refining effect.
Two-stage mixing rotor speed 45r min-1, adding one section of rubber master batch, carry bolt, binder removal, dump temperature is 145-155 DEG C,
Obtain two-stage nitration rubber master batch, it is therefore an objective to improve modified pre-dispersed aramid fiber short fibre and white carbon black dispersion in sizing material.
Refining is carried out in N-type banbury eventually, rotor speed 20r min-1, charging sequence: two-stage nitration rubber master batch, vulcanizing agent, promotion
Agent, antiscorching agent, binder removal, dump temperature 100～110 DEG C.
Complex extruder has carried out semi-finished product extrusion to sidewall sizing material, under identical extrusion line speed, this height
Performance sidewall sizing material does not has significant change with indexs such as common sidewall sizing material semi-finished product extrusion temperature, electric currents, extrudes semi-finished product table
The smooth porosity in face is low, dimensionally stable.Joint technique stickiness during molding uses is relatively good, vulcanised tyre outward appearance matter
Amount is normal.
Embodiment 1
Raw material component: high-cis cis-butadiene cement 50 parts, natural rubber 50 parts, white carbon black 48 parts, zinc oxide 4 parts, stearic acid 2
Part, modified pre-dispersed aramid fiber short fibre 2 parts, N (1,3 dimethylbutyl) N diphenyl-para-phenylene diamine 1.5 parts, 2,2,4-front threes
Base-1,2-dihyaroquinoline 1.8 parts, 1.2 parts of sulfur, accelerator 0.8 part, antiscorching agent 0.2 part, operation oil 4 parts, tackifying resin 4
Part, microwax 2.5 parts.
Embodiment 2
Raw material component: high-cis cis-butadiene cement 50 parts, natural rubber 50 parts, white carbon black 48 parts, zinc oxide 4 parts, stearic acid 2
Part, pre-dispersed aramid fiber short fibre 2 parts, N (1,3 dimethylbutyl) N diphenyl-para-phenylene diamine 1.5 parts, 2,2,4-trimethyl-1,
2-dihyaroquinoline 1.8 parts, 1.2 parts of sulfur, accelerator 0.8 part, antiscorching agent 0.2 part, operation oil 4 parts, tackifying resin 4 parts, micro-
Brilliant 2.5 parts of wax.
Embodiment 3
Raw material component: high-cis cis-butadiene cement 50 parts, natural rubber 50 parts, white carbon black 48 parts, zinc oxide 4 parts, stearic acid 2
Part, N (1,3 dimethylbutyl) N diphenyl-para-phenylene diamine 1.5 parts, 2,2,4-trimethyl-1,2-dihyaroquinoline 1.8 parts, sulfur
Sulphur 1.2 parts, accelerator 0.8 part, antiscorching agent 0.2 part, operation oil 4 parts, tackifying resin 4 parts, microwax 2.5 parts.
Embodiment 4
Raw material component: high-cis cis-butadiene cement 60 parts, natural rubber 40 parts, white carbon black 70 parts, zinc oxide 5 parts, stearic acid 3
Part, modified pre-dispersed aramid fiber short fibre 4.5 parts, N (1,3 dimethylbutyl) N diphenyl-para-phenylene diamine 2.5 parts, 2,2,4-front threes
Base-1,2-dihyaroquinoline 2.5 parts, 3 parts of sulfur, accelerator 3 parts, antiscorching agent 0.5 part, operation oil 8 parts, tackifying resin 6 parts, micro-
Brilliant 3 parts of wax.
Embodiment 5
Raw material component: high-cis cis-butadiene cement 30 parts, natural rubber 70 parts, white carbon black 40 parts, zinc oxide 2 parts, stearic acid 0.5
Part, modified pre-dispersed aramid fiber short fibre 1.5 parts, N (1,3 dimethylbutyl) N diphenyl-para-phenylene diamine 1.5 parts, 2,2,4-front threes
Base-1,2-dihyaroquinoline 1.5 parts, 1 part of sulfur, accelerator 0.5 part, antiscorching agent 0.1 part, operation oil 4 parts, tackifying resin 3 parts,
Microwax 1 part.
The sidewall sizing material physical and mechanical properties such as following table prepared:
Embodiment 2 is compared with Example 3 as can be seen from the above table, and properties promotes inconspicuous, and uses through modification
After embodiment 1 hot strength compared with Example 2 of pre-dispersed chopped fiber improve 10%, tearing strength improves 31%, fixed
Stretch stress to be also significantly improved, subdue for 300,000 times and breach does not the most all occur.From above-mentioned data, use coupling agent modified
Pre-dispersed aramid fiber short fibre effect highly significant.
Claims (10)
1. for the high-performance rubber composition on cross-country passenger tire sidewall, it is characterised in that according to parts by weight its by following
Raw material forms: base rubber 100 parts, white carbon black 40-70 part, activating agent 2.5-8 part, modified pre-dispersed aramid fiber short fibre 1.5-
4.5 parts, age resistor 1.5-5 part, vulcanizing agent 1-3 part, accelerator 0.5-3 part, antiscorching agent 0.1-0.5 part, operation oil 4-8 part, increasing
Viscosity resin 3-6 part, microwax 1-3 part；
The pre-dispersed aramid fiber short fibre of described modification is to use coupling agent modified pre-dispersed aramid fiber short fibre, concrete preparation method
As follows: pre-dispersed aramid fiber short fibre and coupling agent are joined in banbury according to the ratio of 5:1, according to 45r min-1Turn
Mixing to 150-160 DEG C of speed also keeps 2 minutes obtaining modified pre-dispersed aramid fiber short fibre.
High-performance rubber composition for cross-country passenger tire sidewall the most according to claim 1, it is characterised in that its
Middle base rubber is high-cis cis-butadiene cement 40-70 part and natural rubber 30-60 part, and activating agent is made up of zinc oxide and stearic acid,
Vulcanizing agent is sulfur.
High-performance rubber composition for cross-country passenger tire sidewall the most according to claim 2, it is characterised in that base
Natural rubber in body rubber is mark glue 20#.
High-performance rubber composition for cross-country passenger tire sidewall the most according to claim 2, it is characterised in that press
According to parts by weight, the zinc oxide in described activating agent is 2-5 part, and stearic acid is 0.5-3 part.
High-performance rubber composition for cross-country passenger tire sidewall the most according to claim 1, it is characterised in that institute
The accelerator stated is N tert butyl benzothiazole 2 sulfenamide.
High-performance rubber composition for cross-country passenger tire sidewall the most according to claim 1, it is characterised in that institute
Stating antiscorching agent is N-cyclohexylthiophthalimide.
High-performance rubber composition for cross-country passenger tire sidewall the most according to claim 4, it is characterised in that institute
The age resistor stated is by N (1,3-dimethylbutyl)-N '-diphenyl-para-phenylene diamine and 2,2,4-trimethyl-1,2-dihyaroquinoline group
Become.
High-performance rubber composition for cross-country passenger tire sidewall the most according to claim 7, it is characterised in that press
According to parts by weight, it is made up of following raw material: high-cis cis-butadiene cement 50 parts, natural rubber 50 parts, white carbon black 48 parts, zinc oxide 4
Part, stearic acid 2 parts, modified pre-dispersed aramid fiber short fibre 2 parts, N (1,3 dimethylbutyl) N diphenyl-para-phenylene diamine 1.5 parts, 2,
2,4-trimethyl-1,2-dihyaroquinoline 1.8 parts, 1.2 parts of sulfur, accelerator 0.8 part, antiscorching agent 0.2 part, operation oil 4 parts, increasing
Viscosity resin 4 parts, microwax 2.5 parts.
9. the preparation method of the arbitrary described high-performance rubber composition for cross-country passenger tire sidewall of claim 1 to 8,
It is characterized in that, step is as follows:
(1), pre-dispersed aramid fiber short fibre and coupling agent are joined in banbury according to the ratio of 5:1, according to 45r min-1's
Mixing to 150-160 DEG C of rotating speed also keeps 2 minutes obtaining modified pre-dispersed aramid fiber short fibre；
(2), one section mixing carry out in E type kneading type banbury, rotor speed 45r min-1, charging sequence is: high-cis is suitable
Fourth glue, natural rubber, age resistor, stearic acid, zinc oxide, modified pre-dispersed aramid fiber short fibre, tackifying resin, microwax, white carbon black,
Carrying bolt, add operation oil, then carry bolt, binder removal, dump temperature is 155-165 DEG C, obtains one section of rubber master batch；
Two-stage mixing rotor speed 45r min-1, adding one section of rubber master batch, carry bolt, binder removal, dump temperature is 145-155 DEG C, obtains
Two-stage nitration rubber master batch；
Refining is carried out in N-type banbury eventually, rotor speed 20r min-1, charging sequence: two-stage nitration rubber master batch, vulcanizing agent, accelerator,
Antiscorching agent, binder removal, dump temperature 100～110 DEG C.
10. claim 1 to 8 arbitrary described high-performance rubber composition application in preparing cross-country passenger tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326342.1A CN105885123A (en) | 2016-05-17 | 2016-05-17 | High-performance rubber composition for off-road passenger car tire sidewalls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326342.1A CN105885123A (en) | 2016-05-17 | 2016-05-17 | High-performance rubber composition for off-road passenger car tire sidewalls |
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| CN105885123A true CN105885123A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610326342.1A Pending CN105885123A (en) | 2016-05-17 | 2016-05-17 | High-performance rubber composition for off-road passenger car tire sidewalls |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110204806A (en) * | 2019-07-05 | 2019-09-06 | 黄河三角洲京博化工研究院有限公司 | A kind of nanometer of aramid fiber modified butadiene acrylonitrile rubber and preparation method thereof |
| CN110219173A (en) * | 2019-07-05 | 2019-09-10 | 黄河三角洲京博化工研究院有限公司 | A kind of strong acidproof modification of aramid fiber and preparation method thereof |
| CN113736149A (en) * | 2020-05-29 | 2021-12-03 | 中国石油化工股份有限公司 | Sidewall rubber material of radial tire of all-steel truck tire and preparation method thereof |
| CN114425845A (en) * | 2021-12-23 | 2022-05-03 | 赛轮(沈阳)轮胎有限公司 | Low-temperature extrusion method of wear-resistant glue |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1454765A1 (en) * | 2003-03-07 | 2004-09-08 | The Goodyear Tire & Rubber Company | Tire with rubber component containing electrically conductive carbon black and fibrillated aramid fibers |
| CN103194898A (en) * | 2013-03-27 | 2013-07-10 | 中国科学院长春应用化学研究所 | Surface modified aramid fiber, surface modification method thereof and static sealing material |
| CN105061832A (en) * | 2015-08-26 | 2015-11-18 | 青岛双星轮胎工业有限公司 | Rubber composition for sidewall of fire fighting truck |
-
2016
- 2016-05-17 CN CN201610326342.1A patent/CN105885123A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1454765A1 (en) * | 2003-03-07 | 2004-09-08 | The Goodyear Tire & Rubber Company | Tire with rubber component containing electrically conductive carbon black and fibrillated aramid fibers |
| CN103194898A (en) * | 2013-03-27 | 2013-07-10 | 中国科学院长春应用化学研究所 | Surface modified aramid fiber, surface modification method thereof and static sealing material |
| CN105061832A (en) * | 2015-08-26 | 2015-11-18 | 青岛双星轮胎工业有限公司 | Rubber composition for sidewall of fire fighting truck |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110204806A (en) * | 2019-07-05 | 2019-09-06 | 黄河三角洲京博化工研究院有限公司 | A kind of nanometer of aramid fiber modified butadiene acrylonitrile rubber and preparation method thereof |
| CN110219173A (en) * | 2019-07-05 | 2019-09-10 | 黄河三角洲京博化工研究院有限公司 | A kind of strong acidproof modification of aramid fiber and preparation method thereof |
| CN113736149A (en) * | 2020-05-29 | 2021-12-03 | 中国石油化工股份有限公司 | Sidewall rubber material of radial tire of all-steel truck tire and preparation method thereof |
| CN113736149B (en) * | 2020-05-29 | 2024-01-30 | 中国石油化工股份有限公司 | All-steel radial tire sidewall rubber material for truck tire and preparation method thereof |
| CN114425845A (en) * | 2021-12-23 | 2022-05-03 | 赛轮(沈阳)轮胎有限公司 | Low-temperature extrusion method of wear-resistant glue |
| CN114425845B (en) * | 2021-12-23 | 2023-10-03 | 赛轮(沈阳)轮胎有限公司 | Low-temperature extrusion method of wear-resistant adhesive |
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Application publication date: 20160824 |