CN102634082B - Tire tread base rubber composition and preparation method - Google Patents
Tire tread base rubber composition and preparation method Download PDFInfo
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- CN102634082B CN102634082B CN201210131541.9A CN201210131541A CN102634082B CN 102634082 B CN102634082 B CN 102634082B CN 201210131541 A CN201210131541 A CN 201210131541A CN 102634082 B CN102634082 B CN 102634082B
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Abstract
The invention relates to the technical field of rubber, in particular relates to a tire tread base rubber composition. The tire tread base rubber composition is characterized by taking 100 parts of natural rubber as reference, as well as comprising 5-10 parts of LBR-50 liquid butadiene rubber, 40-50 parts of N375 or N660 carbon black, 5-15 parts of white carbon black, 5-6 parts of zinc oxide, 1-3 parts of stearic acid, 1-3 parts of silane coupling agent mixed by riethoxysili tetrasulfide and inertia dispersing agent with a weight ratio of 1:1, 1-3 parts of N-(1, 3-dimethylbutyl)-N'-phenyl-p-phenylenediamine anti-aging agent, 1-2 parts of 2, 2, 4-trimethyl-1, 2-dihydroquinoline polymer anti-aging agent, 1-3 parts of infusible IS-7020 sulphur, 1.0-1.5 parts of N-tert-butyl-benzothiazolylsulfenamide vulcanization accelerator and 0.1-0.3 parts of cyclohexylthiophthalimide anti-scorching agent in part by weight. In the tire tread base rubber composition, the heat production property and the hysteresis loss of tire tread base rubber can be obviously reduced, the tire hanging problem is solved, and the tire use property is enhanced.
Description
Technical field
The present invention relates to rubber technology field, specifically a kind of tire tread bottom rubber combination and preparation method.
Background technology
As everyone knows, that heavy load radial tire has is wear-resisting, fuel-economizing, work-ing life the advantage such as height, its superior performance is subject to consumers in general's favor day by day, by domestic heavy load radial tire market survey is found, the empty problem of wheel crown is outstanding problem in current heavy load radial tire use procedure, and it is relevant with the thermogenesis performance of wheel crown part sizing material to be preced with empty problem.
Summary of the invention
Object of the present invention is exactly in order to overcome above-mentioned the deficiencies in the prior art, a kind of tire tread bottom rubber combination and preparation method are provided, can obviously reduce tire tread bottom glue thermogenesis performance and hysteresis loss, reduce tire used and be preced with empty problem, improve tire used performance.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of tire tread bottom rubber combination, and the natural rubber of 100 weight parts of take is benchmark, in weight part, also comprises:
5～10 parts of liquid cis-butadiene cements, 40～50 parts of carbon blacks, 5～15 parts of white carbon blacks, 5～6 parts of zinc oxide, 1～3 part of stearic acid, 1～3 part of silane coupling agent, 1～3 part of N-(1,3-diformazan butyl)-N '-diphenyl-para-phenylene diamine anti-aging agent, 1～2 part 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer anti-aging agent material, 1～3 part of sulphur, 1.0～1.5 parts of vulcanization accelerators, 0.1～0.3 part of scorch retarder.
The preferred distant pawl type LBR-50 liquid cis-butadiene cement of liquid cis-butadiene cement.
The preferred N375 of carbon black, N660 carbon black.
The silica-based tetrasulfide of the preferred triethoxy of silane coupling agent and inertia dispersion agent be the mixture of 1: 1 by weight.
The preferred N-tertiary butyl-2-[4-morpholinodithio of vulcanization accelerator sulphonamide.
The preferred insoluble sulfur IS-7020 of sulphur.
The preferred N-cyclohexylthiophthalimide of scorch retarder product.
A method for tire tread bottom rubber, comprises the following steps, its component ratio by weight:
one section mixing: rotor speed 40～60rmp, ram pressure 0.6～0.7MPa, first 100 parts of natural rubbers are thrown into internal mixer mixing chamber, mixing 20～30 seconds, again by 40～50 parts of carbon blacks, 5～15 parts of white carbon blacks, 5～6 parts of zinc oxide, 1～3 part of stearic acid, 1～3 part of silane coupling agent, 1～3 part of anti-aging agent substance A, 1～2 part of anti-aging agent substance B is thrown into internal mixer mixing chamber, continue mixing 20～30 seconds, sizing material temperature reaches 120～130 ℃, carry stone roller 5～10 seconds, mixing 40～50 seconds of ram, sizing material temperature is 145～155 ℃, binder removal is carried out in mixing end, obtain one section of rubber master batch,
park for the first time, by one section, mixingly obtain one section of rubber master batch as for cool to room temperature in room air;
two-stage mixing: rotor speed 40～60rmp, ram pressure 0.6～0.7MPa, one section of rubber master batch is thrown into internal mixer mixing chamber, mixing 30～40 seconds of ram, sizing material temperature reaches 120～130 ℃, carries stone roller 5～10 seconds, continue ram mixing 30～40 seconds, sizing material temperature reaches 145～155 ℃, and binder removal is carried out in mixing end, obtains two sections of rubber master batch;
park for the second time, two-stage mixing is obtained to two sections of rubber master batch as for cool to room temperature in room air;
refining eventually: two sections of rubber master batch are thrown into internal mixer mixing chamber together with 1～3 part of sulphur, 1.0～1.5 parts of vulcanization accelerators, 0.1～0.3 part of scorch retarder, rotor speed 20～30rmp, mixing 20～30 seconds of ram pressure 0.5～0.6MPa, carry stone roller 5～10 seconds, continue ram mixing 20～30 seconds, sizing material temperature is 95～105 ℃, and binder removal is carried out in mixing end, can obtain tread base glue finished product of the present invention.
The invention has the beneficial effects as follows, can obviously reduce tire tread bottom glue thermogenesis performance and hysteresis loss, reduce tire used and be preced with empty problem, improve tire used performance.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
The present invention thinks natural rubber master in tread base glue formula, and natural rubber is comprehensive better, has good technique viscosity.Natural rubber is 10#, the 20# standard rubbers that Thailand produces.
LBR-50 liquid cis-butadiene cement is the synthetic novel high polymer material of employing new technology, and its molecular weight distribution is wide, and second-order transition temperature is low, have viscosity large, viscosity temperature characteristic is good, and low temperature viscosity is high, not dry lasting, good with natural rubber mutual miscibility energy, as special tenderizer, can reduce mixing time, reduce extrusion temperature, distant pawl type structure does not affect its physical property, can reduce the heat-dissipating of sizing material, improves parts viscosity.
It is N375, N660 carbon black that formula MR medium reinforcing system of the present invention adopts carbon black, N375 stress at definite elongation, tensile strength are high, N660 carbon black sizing material thermogenesis performance is low, and the use of white carbon black and silane coupling agent can further reduce sizing material heat-dissipating and can improve again the tear-resistant performance of sizing material.White carbon black is the high structure I of sedimentation type class 955#, 175#.Silane coupling agent is the mixture of the silica-based tetrasulfide of triethoxy and inertia dispersion agent (by weight 1: 1).Antioxidant A is N-(1,3-diformazan butyl)-N '-diphenyl-para-phenylene diamine.Anti-aging agent B is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer.Vulcanization accelerator is the N-tertiary butyl-2-[4-morpholinodithio sulphonamide, adopts vulcanization accelerator NS.Sulphur is insoluble sulfur IS-7020.Scorch retarder is N-cyclohexylthiophthalimide product, adopts anti-scorching agent CTP.
The present invention produces the method for described tire tread bottom rubber, comprise the following steps, its component ratio by weight:
one section mixing: rotor speed 40～60rmp, ram pressure 0.6～0.7MPa, first 100 parts of natural rubbers are thrown into internal mixer mixing chamber, mixing 20～30 seconds, again by 40～50 parts of carbon blacks, 5～15 parts of white carbon blacks, 5～6 parts of zinc oxide, 1～3 part of stearic acid, 1～3 part of silane coupling agent, 1～3 part of anti-aging agent substance A, 1～2 part of anti-aging agent substance B is thrown into internal mixer mixing chamber, continue mixing 20～30 seconds, sizing material temperature reaches 120～130 ℃, carry stone roller 5～10 seconds, mixing 40～50 seconds of ram, sizing material temperature is 145～155 ℃, binder removal is carried out in mixing end, obtain one section of rubber master batch,
park for the first time, by one section, mixingly obtain one section of rubber master batch as for cool to room temperature in room air;
two-stage mixing: rotor speed 40～60rmp, ram pressure 0.6～0.7MPa, one section of rubber master batch is thrown into internal mixer mixing chamber, mixing 30～40 seconds of ram, sizing material temperature reaches 120～130 ℃, carries stone roller 5～10 seconds, continue ram mixing 30～40 seconds, sizing material temperature reaches 145～155 ℃, and binder removal is carried out in mixing end, obtains two sections of rubber master batch;
park for the second time, two-stage mixing is obtained to two sections of rubber master batch as for cool to room temperature in room air;
refining eventually: two sections of rubber master batch are thrown into internal mixer mixing chamber together with 1～3 part of sulphur, 1.0～1.5 parts of vulcanization accelerators, 0.1～0.3 part of scorch retarder, rotor speed 20～30rmp, mixing 20～30 seconds of ram pressure 0.5～0.6MPa, carry stone roller 5～10 seconds, continue ram mixing 20～30 seconds, sizing material temperature is 95～105 ℃, and binder removal is carried out in mixing end, can obtain tread base glue finished product of the present invention.
Processing step of the present invention, one section of milling maternal rubber adopts glue, carbon black small powder step feeding mixing, can improve dispersing property and the over-all properties of carbon black; One section of rubber master batch carriage return of two sections of milling maternal rubbers, further improves carbon black dispersion performance, improves and improves properties of rubber.
The resulting product of the present invention and original product formula are as shown in table 1, and physical properties and finished product use properties parameter comparison are as shown in table 2.
Table 1(Ben Biaozhongge material content unit is: weight part)
| ? | Original formulation | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Natural rubber | 100 | 100 | 100 | 100 |
| Liquid cis-butadiene cement | ? | 5 | 7 | 10 |
| N375 | 20 | 30 | 20 | 20 |
| N660 | 30 | 20 | 25 | 20 |
| White carbon black | ? | 5 | 10 | 15 |
| Silane coupling agent | ? | 1.0 | 2.0 | 3.0 |
| Zinc oxide | 4.0 | 5.0 | 6.0 | 5.0 |
| Stearic acid | 2.0 | 1.0 | 2.0 | 3.0 |
| Anti-aging agent substance A | 1.5 | 1.5 | 1.0 | 2.5 |
| Anti-aging agent substance B | 1.5 | 1.0 | 1.5 | 2.0 |
| Insoluble sulfur | 1.5 | 1.2 | 1.3 | 2.5 |
| Vulcanization accelerator NS | 1.2 | 1.0 | 1.5 | 1.5 |
| Anti-scorching agent CTP | 0.2 | 0.1 | 0.2 | 0.3 |
Table 2
| ? | Original formulation | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Shore a hardness/degree | 62 | 63 | 65 | 67 |
| 100% stress at definite elongation/MPa | 2.2 | 2.4 | 2.5 | 2.6 |
| 300% stress at definite elongation/MPa | 12.0 | 13.2 | 14.0 | 14.7 |
| Tensile strength/MPa | 26.0 | 26.0 | 26.5 | 27.1 |
| Tensile yield/% | 512 | 535 | 520 | 499 |
| Tear strength/KN/m | 101 | 107 | 111 | 115 |
| 60 ℃ of hysteresis loss/Tan δ | 0.150 | 0.135 | 0.128 | 0.120 |
| Rebound resilience/% | 45 | 52 | 53 | 55 |
| Tyres durable/hour | 77 | 85 | 85 | 92 |
From formula example, can find out, patent formulation improves-reduces wheel crown part than original formulation hardness modulus and uses deformation performance, heat-dissipating reduce-to improve tyres durable performance, and actual testing tire endurance quality improves more than 10%.
Claims (1)
1. a tire tread bottom rubber combination, it is characterized in that: the natural rubber of 100 weight parts of take is benchmark, in weight part, also comprise, 5～10 parts of LBR-50 liquid cis-butadiene cements, 40～50 parts of N375 or N660 carbon black, 5～15 parts of white carbon blacks, 5～6 parts of zinc oxide, 1～3 part of stearic acid, 1～3 part of silica-based tetrasulfide of triethoxy and inertia dispersion agent mixed the silane coupling agent forming by weight 1: 1, 1～3 part of N-(1, 3-diformazan butyl)-N '-diphenyl-para-phenylene diamine anti-aging agent, 1～2 part 2, 2, 4-trimethylammonium-1, 2-dihyaroquinoline polymer anti-aging agent, 1～3 part of insoluble IS-7020 sulphur, 1.0～1.5 parts of N-tertiary butyl-2-[4-morpholinodithio sulphonamide vulcanization accelerators, 0.1～0.3 part of N-cyclohexylthiophthalimide scorch retarder.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530499A (en) * | 2014-12-22 | 2015-04-22 | 陕西延长石油集团橡胶有限公司 | All-steel load radial tire tread base rubber material and preparation method thereof |
| CN108017814B (en) * | 2016-11-01 | 2021-04-13 | 中国石油化工股份有限公司 | Rubber composition, vulcanized rubber, and preparation method and application thereof |
| CN108129719A (en) * | 2018-02-06 | 2018-06-08 | 三角轮胎股份有限公司 | Rubber composition for tire tread and preparation method thereof |
| CN108945131A (en) * | 2018-09-11 | 2018-12-07 | 浙江元创橡胶履带有限公司 | High speed rubber belt track and high speed rubber belt track decorative pattern side rubber |
| CN114316385A (en) * | 2021-12-23 | 2022-04-12 | 赛轮(沈阳)轮胎有限公司 | Method for stabilizing shear rate of final rubber |
| CN116554560A (en) * | 2023-06-27 | 2023-08-08 | 河北世派轮胎有限公司 | Inflation-free tire and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005075888A (en) * | 2003-08-29 | 2005-03-24 | Bridgestone Corp | Rubber composition for steel coating |
| WO2006077649A1 (en) * | 2005-01-24 | 2006-07-27 | Shiraishi Kogyo Kaisha Ltd. | Modified calcium carbonate containing rubber compositions |
| CN101117418A (en) * | 2006-07-31 | 2008-02-06 | 日立电线株式会社 | Halogen-free fire-proof resin composition |
| CN101381482A (en) * | 2008-10-09 | 2009-03-11 | 江苏通用科技股份有限公司 | All-steel radial ply tyre tread base and preparation method thereof |
| CN101434716A (en) * | 2007-11-16 | 2009-05-20 | 四川轮胎橡胶（集团）股份有限公司 | Semi-steel wire radial tire undertread calendering sizing compound |
| CN102105519A (en) * | 2008-08-01 | 2011-06-22 | 米其林技术公司 | Process for manufacturing a self-sealing composition |
-
2012
- 2012-05-02 CN CN201210131541.9A patent/CN102634082B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005075888A (en) * | 2003-08-29 | 2005-03-24 | Bridgestone Corp | Rubber composition for steel coating |
| WO2006077649A1 (en) * | 2005-01-24 | 2006-07-27 | Shiraishi Kogyo Kaisha Ltd. | Modified calcium carbonate containing rubber compositions |
| CN101117418A (en) * | 2006-07-31 | 2008-02-06 | 日立电线株式会社 | Halogen-free fire-proof resin composition |
| CN101434716A (en) * | 2007-11-16 | 2009-05-20 | 四川轮胎橡胶（集团）股份有限公司 | Semi-steel wire radial tire undertread calendering sizing compound |
| CN102105519A (en) * | 2008-08-01 | 2011-06-22 | 米其林技术公司 | Process for manufacturing a self-sealing composition |
| CN101381482A (en) * | 2008-10-09 | 2009-03-11 | 江苏通用科技股份有限公司 | All-steel radial ply tyre tread base and preparation method thereof |
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