CN104893022A - Heatproof base of large off-the-road tire - Google Patents
Heatproof base of large off-the-road tire Download PDFInfo
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- CN104893022A CN104893022A CN201510374075.0A CN201510374075A CN104893022A CN 104893022 A CN104893022 A CN 104893022A CN 201510374075 A CN201510374075 A CN 201510374075A CN 104893022 A CN104893022 A CN 104893022A
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- carbon black
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- C08K5/16—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
-
- 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
-
- 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
-
- 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
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a heatproof base of a large off-the-road tire. The heatproof base comprises, by weight, 100 parts of natural rubber, 20-35 parts of reinforcing carbon black, 12-27 parts of white carbon black, 1.5-3.5 parts of silane coupling agent, 3-8 parts of zinc oxide, 1-3 parts of stearic acid, 1-3 parts of antiager 4010NA, 1-3 parts of antiager, 0.8-2.5 parts of sulphur, 0.4-1.2 parts of vulcanizing agent DTDM, 0.5-1.2 parts of accelerant and 0.1-0.5 part of scorch retarder CTP. The base can reduce heating of sizing material and has excellent thermal aging resistance.
Description
Technical field
The present invention relates to a kind of heat-resisting base rubber of giant engineering machinery tyre, belong to tire manufacturing techniques field.
Background technology
Giant engineering machinery tyre generally uses at large surface mine, and the mine surface temperature in torrid areas or summer is up to 70 ~ 80 DEG C, and add that giant engineering machinery tyre load is large, haul distance is long, it is many to turn, the feature of working continuously for 24 hours, causes heat-dissipating large.Existing research shows, if tyre temperature drops to about 55% under room temperature more than 121 DEG C of rubber strengths, interfacial bond strength drops to 53% under room temperature.Therefore, if tire uses for a long time at these elevated temperatures, easily cause wheel crown sky to cause tire to scrap.Therefore develop the base rubber that a kind of heat-dissipating is low, resistance toheat is good and seem particularly important.Because the technology content of producing giant engineering machinery tyre is large, complex process, the producer that can produce giant engineering machinery tyre at present is at home few in number, particularly for the researches of the heat-resisting base rubber of giant engineering machinery tyre.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of heat-resisting base rubber of giant engineering machinery tyre, and this base rubber sizing material has excellent heat aging property while satisfied reduction sizing material heat-dissipating.
The heat-resisting base rubber of giant engineering machinery tyre of the present invention, is made up of following component by weight:
Natural rubber, 100 parts;
Hard(carbon)black, 20 ~ 35 parts;
White carbon black, 12 ~ 27 parts;
Silane coupling agent, 1.5 ~ 3.5 parts;
Zinc oxide, 3 ~ 8 parts;
Stearic acid, 1 ~ 3 part;
N-sec.-propyl-4-aminodiphenylamine (antioxidant 4010NA), 1 ~ 3 part;
2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer (anti-aging agent RD), 1 ~ 3 part;
Sulphur, 0.8 ~ 2.5 part;
Dithiodimorpholine (vulcanizing agent DTDM), 0.4 ~ 1.2 part;
N-cyclohexyl-2-[4-morpholinodithio base sulphenamide (accelerant CZ), 0.6 ~ 1.2 part;
N-cyclohexylthiophthalimide (anti-scorching agent CTP), 0.1 ~ 0.5 part.
The weight proportion of above-mentioned each component is preferably:
Natural rubber, 100 parts;
Hard(carbon)black, 25 ~ 35 parts;
White carbon black, 15 ~ 25 parts;
Silane coupling agent, 1.5 ~ 3 parts;
Zinc oxide, 5 ~ 8 parts;
Stearic acid, 1 ~ 2 part;
N-sec.-propyl-4-aminodiphenylamine, 1.5 ~ 3 parts;
2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer, 1.5 ~ 3 parts;
Sulphur, 1.0 ~ 2 parts;
Dithiodimorpholine: 0.5 ~ 1 part;
N-cyclohexyl-2-[4-morpholinodithio base sulphenamide, 0.6 ~ 1 part;
N-cyclohexylthiophthalimide, 0.3 ~ 0.5 part.
In technique scheme,
Described natural rubber is 2
#smoke sheet rubber and/or 3
#smoke sheet rubber.When natural rubber used is 2
#smoke sheet rubber and 3
#during the mixture of smoke sheet rubber, 2
#smoke sheet rubber and 3
#the proportioning of smoke sheet rubber can be any proportioning.
Preferred employing N2 adsorption specific surface area is 146 ~ 185m
2the white carbon black of/g.
Described silane coupling agent is preferably silicon 69 (two-[γ-(triethoxysilicane) propyl group] tetrasulfide).
Described hard(carbon)black adopts the combination being selected from N375 carbon black, N330 carbon black and N660 carbon black any two, preferably adopts N375 carbon black and N660 carbon black with the combination of 1 ~ 3:3 ~ 1.
The heat-resisting base rubber of giant engineering machinery tyre of the present invention adopts existing ordinary method to prepare.The performance of the rubber size of gained is as shown in table 1:
Table 1:
| Performance perameter | Unit | Performance range |
| Hardness (Shao Er A) | Degree | 55～70 |
| 300% fixed stretching strength | MPa | 12～16 |
| Tensile strength | MPa | 25～29 |
| Tensile yield | ％ | 450～550 |
| Tear strength | kN/m | 110～150 |
| Gu Te Ritchie heat-dissipating | ℃ | ≤20 |
Compared with prior art, the present invention is combined with hard(carbon)black, white carbon black and the silicon 69 that heat-dissipating is low to play the thermogenesis performance significantly reducing sizing material, and with antioxidant 4010NA and anti-aging agent RD and heat-resisting antioxidant system, the simultaneously selected SE curing system be made up of Sulfur, vulcanizing agent DTDM and accelerant CZ to strengthen sizing material heat aging property, make gained base rubber sizing material have excellent heat aging property while satisfied reduction sizing material heat-dissipating.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, and to understand content of the present invention better, but the present invention is not limited to following examples.
Embodiment 1
Refining glue is carried out, preparation method by with each component of specifying in following table 2:
1) natural rubber, hard(carbon)black, white carbon black, silane coupling agent, zinc oxide, stearic acid, antioxidant 4010NA and the anti-aging agent RD that take wherein by formula drop into rubber internal mixer (rotor speed is 40r/min), with the mixing 4.0min of the rotating speed of 40r/min under 165 DEG C of conditions, obtain rubber unvulcanizate A;
2) by the sulphur, vulcanizing agent DTDM, accelerant CZ and the anti-scorching agent CTP that take wherein of filling a prescription, drop in rubber internal mixer and mix with rubber unvulcanizate A, with the mixing 3.5min of the rotating speed of 20r/min under 100 DEG C of conditions, namely obtain the heat-resisting base rubber of giant engineering machinery tyre.
Performance test is carried out to the sizing material of gained, lists test result in table 2.
Embodiment 2:
Carry out refining glue by with each component of specifying in following table 2, the preparation method of sizing material is with embodiment 1.
Performance test is carried out to the sizing material of gained, lists test result in table 2.
Embodiment 3:
Carry out refining glue by with each component of specifying in following table 2, the preparation method of sizing material is with embodiment 1.
Performance test is carried out to the sizing material of gained, lists test result in table 2.
Embodiment 4:
Carry out refining glue by with each component of specifying in following table 2, the preparation method of sizing material is with embodiment 1.
Performance test is carried out to the sizing material of gained, lists test result in table 2.
Embodiment 5:
Carry out refining glue by with each component of specifying in following table 2, the preparation method of sizing material is with embodiment 1.
Performance test is carried out to the sizing material of gained, lists test result in table 2.
Table 2 (following raw-material consumption is weight part)
Claims (5)
1. the heat-resisting base rubber of giant engineering machinery tyre, is made up of following component by weight:
Natural rubber, 100 parts;
Hard(carbon)black, 20 ~ 35 parts;
White carbon black, 12 ~ 27 parts;
Silane coupling agent, 1.5 ~ 3.5 parts;
Zinc oxide, 3 ~ 8 parts;
Stearic acid, 1 ~ 3 part;
N-sec.-propyl-4-aminodiphenylamine, 1 ~ 3 part;
2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer, 1 ~ 3 part;
Sulphur, 0.8 ~ 2.5 part;
Dithiodimorpholine, 0.4 ~ 1.2 part;
N-cyclohexyl-2-[4-morpholinodithio base sulphenamide, 0.6 ~ 1.2 part;
N-cyclohexylthiophthalimide, 0.1 ~ 0.5 part.
2. the heat-resisting base rubber of giant engineering machinery tyre according to claim 1, is characterized in that: the weight part of each component is:
Natural rubber, 100 parts;
Hard(carbon)black, 25 ~ 35 parts;
White carbon black, 15 ~ 25 parts;
Silane coupling agent, 1.5 ~ 3 parts;
Zinc oxide, 5 ~ 8 parts;
Stearic acid, 1 ~ 2 part;
N-sec.-propyl-4-aminodiphenylamine, 1.5 ~ 3 parts;
2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer, 1.5 ~ 3 parts;
Sulphur, 1.0 ~ 2 parts;
Dithiodimorpholine: 0.5 ~ 1 part;
N-cyclohexyl-2-[4-morpholinodithio base sulphenamide, 0.6 ~ 1 part;
N-cyclohexylthiophthalimide, 0.3 ~ 0.5 part.
3. the heat-resisting base rubber of giant engineering machinery tyre according to claim 1 and 2, is characterized in that: described natural rubber is 2
#smoke sheet rubber and/or 3
#smoke sheet rubber.
4. the heat-resisting base rubber of giant engineering machinery tyre according to claim 1 and 2, is characterized in that: the N2 adsorption specific surface area of described white carbon black is 146 ~ 185m
2/ g.
5. the heat-resisting base rubber of giant engineering machinery tyre according to claim 1 and 2, is characterized in that: described silane coupling agent is silicon 69.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374075.0A CN104893022A (en) | 2015-06-30 | 2015-06-30 | Heatproof base of large off-the-road tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374075.0A CN104893022A (en) | 2015-06-30 | 2015-06-30 | Heatproof base of large off-the-road tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104893022A true CN104893022A (en) | 2015-09-09 |
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ID=54026013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510374075.0A Pending CN104893022A (en) | 2015-06-30 | 2015-06-30 | Heatproof base of large off-the-road tire |
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| Country | Link |
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| CN (1) | CN104893022A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542241A (en) * | 2015-12-22 | 2016-05-04 | 三角轮胎股份有限公司 | Rubber composition for base rubber of radial giant engineering tire and preparation method thereof |
| CN116656013A (en) * | 2023-06-25 | 2023-08-29 | 中策橡胶集团股份有限公司 | Rubber composition of tire base rubber, mixing method, application and tire |
| CN116656013B (en) * | 2023-06-25 | 2024-05-31 | 中策橡胶集团股份有限公司 | Rubber composition of tire base rubber, mixing method, application and tire |
-
2015
- 2015-06-30 CN CN201510374075.0A patent/CN104893022A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542241A (en) * | 2015-12-22 | 2016-05-04 | 三角轮胎股份有限公司 | Rubber composition for base rubber of radial giant engineering tire and preparation method thereof |
| CN116656013A (en) * | 2023-06-25 | 2023-08-29 | 中策橡胶集团股份有限公司 | Rubber composition of tire base rubber, mixing method, application and tire |
| CN116656013B (en) * | 2023-06-25 | 2024-05-31 | 中策橡胶集团股份有限公司 | Rubber composition of tire base rubber, mixing method, application and tire |
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Application publication date: 20150909 |