CN113462089A - Preparation method of white carbon black-containing butyl inner tube of truck - Google Patents
Preparation method of white carbon black-containing butyl inner tube of truck Download PDFInfo
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- CN113462089A CN113462089A CN202110724057.6A CN202110724057A CN113462089A CN 113462089 A CN113462089 A CN 113462089A CN 202110724057 A CN202110724057 A CN 202110724057A CN 113462089 A CN113462089 A CN 113462089A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
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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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- 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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Abstract
A method for preparing a white carbon black-containing heavy-duty truck butyl inner tube relates to a method for preparing an automobile inner tube, and the method takes regenerated butyl rubber as a main body, matches butyl rubber and ethylene propylene diene monomer rubber as matrix rubber, uses a sulfur vulcanization system as a vulcanization accelerator, uses 2,2' -Dithiodibenzothiazyl (DM), tetramethylthiuram disulfide (TMTD) and 4,4' -dithiodimorpholine (DTDM), uses 9,9' -dimethylacridine (age inhibitor BLE), and adds a certain content of white carbon black, so that the prepared product can reduce the rolling resistance in the driving process of an automobile, reduce heat generation and reduce the production cost.
Description
Technical Field
The invention relates to a preparation method of an automobile inner tube, in particular to a preparation method of a white carbon black-containing heavy truck butyl inner tube.
Background
White carbon black is a general term for white powdery X-ray amorphous silicic acid and silicate products, mainly referring to precipitated silica, fumed silica and ultrafine silica gel, and also including powdery synthetic aluminum silicate, calcium silicate, and the like. White carbon black is a porous substance, and the composition of the white carbon black can be represented by SiO2 & nH2O, wherein nH2O exists in the form of surface hydroxyl, and the white carbon black is high-temperature resistant, non-combustible, tasteless and good in electrical insulation. The white carbon black can be used as a reinforcing agent for manufacturing rubber products in the rubber industry field to improve the mechanical property of the rubber products, and the white carbon black is a crystal particle, compared with other common carbon black type reinforcing agents, the particle size of the white carbon black is smaller than that of common carbon black, and the specific surface area is large, so that the strength can be improved to a great extent by adding the white carbon black into the rubber products, the rolling resistance of an inner tube can be reduced, the wear resistance and the moisture-carrying performance are improved, and the tearing strength, the wear resistance, the aging resistance and the adhesive property of rubber materials can be better improved. The butyl inner tube reclaimed rubber (RIIR) is processed by taking a waste butyl inner tube as a raw material, retains the basic structural characteristics of butyl rubber, contains residues of soluble rubber, insoluble gel, free sulfur, resin and a sulfur accelerator system, is used for replacing part of butyl rubber, can ensure that the prepared rubber product has heat resistance, ozone resistance and aging resistance, and reduces the production cost while ensuring the product quality. Generally, after a dynamic mechanical property test, tan delta obtained in a 60 ℃ test can be used for representing the rolling resistance of the rubber material, and the smaller tan delta at 60 ℃, the smaller the rolling resistance of the rubber material is; the tan delta obtained in the 80 ℃ test can be used for characterizing the dynamic heat buildup of the rubber, and the smaller the tan delta at 80 ℃, the smaller the heat buildup of the rubber compound.
Disclosure of Invention
The invention aims to provide a preparation method of a heavy truck butyl inner tube containing white carbon black, which takes regenerated butyl rubber as a main body, combines butyl rubber and ethylene propylene diene monomer rubber as matrix rubber, uses 9,9' -dimethylacridine (anti-aging agent BLE) as an anti-aging agent, and adds a certain amount of white carbon black. The prepared product can reduce the rolling resistance in the running process of the automobile, reduce heat generation and reduce production cost.
The technical scheme of the invention is as follows:
a preparation method of a white carbon black-containing butyl inner tube of a truck comprises the following preparation processes:
respectively placing RIIR, IIR and EPDM on an open mill for open milling, wrapping the rollers after uniform plastication, sequentially adding an active agent, a lubricant, an anti-aging agent, a reinforcing agent and a plasticizer into the rubber compound, and uniformly mixing the rubber compound; the raw materials are prepared from the following components in parts by weight: 60-75 parts of RIIR, 20-30 parts of IIR, 5-10 parts of EPDM, 1.0-1.6 parts of sulfur, 1.3-1.8 parts of accelerator, 2.0-2.2 parts of vulcanization activator, 10-32 parts of white carbon black, 1.5 parts of plasticizer and 0.3 part of anti-aging agent; the vulcanization time T of the rubber is then determined using a rotorless vulcameter90And under the condition of the temperature of 170 ℃ and the pressure of 10MPa, putting the rubber on a flat vulcanizing machine for vulcanization according to the rolling direction of the rubber, standing for 8 hours, preparing a sample and testing.
A preparation method of a white carbon black-containing butyl inner tube of a truck comprises the following preparation processes: putting regenerated butyl rubber (RIIR) on a double-roller open mill, vertically passing through a roll for 3-5 times, adding butyl rubber (IIR 1751) and passing through the roll for 3-5 times, adding Ethylene Propylene Diene Monomer (EPDM) and passing through the roll for 3-5 times, then adding activating agents zinc oxide and stearic acid, uniformly mixing, then adding an anti-aging agent BLE and a plasticizer, uniformly mixing, then adding a reinforcing agent, a plasticizer and a vulcanization accelerator, finally adding a vulcanizing agent, uniformly mixing on the open mill to obtain a mixed rubber, vulcanizing at 170 ℃ by using a flat plate vulcanizing machine to obtain vulcanized rubber, and testing the mechanical properties after punching.
According to the preparation method of the white carbon black-containing lorry butyl inner tube, the rubber is a composition of RIIR, IIR1751 butyl rubber and EPDM.
According to the preparation method of the white carbon black-containing lorry butyl inner tube, the vulcanizing activator is zinc oxide and stearic acid.
According to the preparation method of the white carbon black-containing lorry butyl inner tube, the anti-aging agent used by the rubber material is anti-aging agent 9,9' -dimethylacridine (anti-aging agent BLE).
The preparation method of the white carbon black-containing lorry butyl inner tube comprises the steps that the plasticizer is CK-90 petroleum resin and 58#A combination of semi-refined paraffin and paraffin oil.
According to the preparation method of the white carbon black-containing butyl inner tube of the truck, the accelerator is 2,2 '-dithiodibenzothiazyl (accelerator DM), tetramethyl thiuram disulfide (accelerator TMTD) and 4,4' -dithiodimorpholine (accelerator DTDM).
According to the preparation method of the white carbon black-containing lorry butyl inner tube, the reinforcing agent is white carbon black.
According to the preparation method of the white carbon black-containing lorry butyl inner tube, the vulcanizing agent is sulfur.
The invention has the advantages and effects that:
the matrix rubber used in the invention is butyl inner tube reclaimed rubber, butyl rubber and ethylene propylene diene monomer, and after the white carbon black is added, the white carbon black has small particle size and large specific surface area, so that the rolling resistance of the prepared rubber product can be reduced, and the heat generation performance is reduced. The invention meets the market demand of the butyl inner tube of the lorry, and the manufactured product can reduce the rolling resistance in the running process of the lorry, reduce the heat generation and reduce the production cost.
Drawings
FIG. 1 is a comparative schematic view of an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in the drawings.
The preparation process of the invention comprises the following steps: respectively placing RIIR, IIR and EPDM on an open mill for open milling, uniformly plasticating, wrapping rollers, and sequentially placingAdding an active agent, a lubricant, an anti-aging agent, a reinforcing agent and a plasticizer into the rubber compound, standing for a period of time after the rubber compound is uniformly mixed, and then measuring the vulcanization time T of the stopped rubber by using a rotor-free vulcanizer90And vulcanizing the rubber on a flat vulcanizing machine according to the rolling direction of the rubber under the condition of the temperature of 170 ℃ and the pressure of 10MPa, standing for 8 hours, preparing a sample and testing.
The used instrument of this experiment: two-roll open mill, XK-160, Qingdao ball and Loop machines, Inc. Rubber rotor-less vulcanizers, GT-M2000-A, Taiwan high-speed railway science and technology Co. Flat vulcanizing machine XLB-DQ 400X 2E, Qingdao ball-and-Loop machines Ltd. A piece punching machine, CP-25, Shanghai chemical machinery four factories. Shore rubber hardness tester, XHS, Yingkou materials testing machine factory. A microcomputer-controlled universal tester, RGL-RH2000-A, Taiwan high-speed rail science and technology, Inc. Mooney viscosity Analyzer, UM-2050, Youken science and technology, Inc. Dynamic thermomechanical analyzer (DMA), model DMA 850, TA corporation, usa.
Example 1: putting 75 parts of regenerated butyl rubber (RIIR) on a double-roller open mill, vertically passing through the two-roller open mill for 3-5 times, adding 20 parts of butyl rubber (IIR 1751), passing through the two-roller open mill for 3-5 times, adding 5 parts of Ethylene Propylene Diene Monomer (EPDM), passing through the two-roller open mill for 3-5 times, adding 2.0 parts of activating agent zinc oxide and stearic acid, uniformly mixing, adding 0.3 part of anti-aging agent BLE, 58 parts of anti-aging agent BLE, and uniformly mixing#1.2 parts of semi-refined paraffin and petroleum resin, adding 10.2 parts of white carbon black serving as a reinforcing agent, 0.3 part of paraffin oil, 1.3 parts of vulcanization accelerators (DM, TMTD and DTDM) after uniformly mixing, finally adding 1.0 part of sulfur, uniformly mixing on an open mill to obtain mixed rubber, vulcanizing at 170 ℃ by using a flat vulcanizing machine to obtain vulcanized rubber, and measuring the mechanical properties after punching, wherein the table 1 shows. The dynamic mechanical properties were measured with a dynamic thermomechanical analyzer and are shown in Table 2.
Example 2: the composition of this example is substantially the same as that of example 1, except that 11.5 parts of white carbon black is used instead of 10.2 parts of white carbon black, and the experimental method is the same as that of example 1, and is not repeated herein.
Example 3: the composition of this example is substantially the same as that of example 1, except that 12.7 parts of white carbon black is used instead of 10.2 parts of white carbon black, and the experimental method is the same as that of example 1, and is not repeated herein.
Example 4: the composition of this example is substantially the same as that of example 1, except that 13.9 parts of white carbon black is used instead of 10.2 parts of white carbon black, and the experimental method is the same as that of example 1, and is not repeated herein.
Example 5: the composition of this example is substantially the same as that of example 1, except that 15.1 parts of white carbon black is used instead of 10.2 parts of white carbon black, and the experimental method is the same as that of example 1, and is not repeated herein.
Example 6: putting 75 parts of regenerated butyl rubber (RIIR) on a double-roller open mill, vertically passing through the two-roller open mill for 3-5 times, adding 20 parts of butyl rubber (IIR 1751), passing through the two-roller open mill for 3-5 times, adding 5 parts of Ethylene Propylene Diene Monomer (EPDM), passing through the two-roller open mill for 3-5 times, adding 2.0g of activating agent zinc oxide and stearic acid, uniformly mixing, adding 0.3 part of anti-aging agent BLE, 58 parts of anti-aging agent BLE, and uniformly mixing#1.2 parts of semi-refined paraffin and petroleum resin, adding 13 parts of white carbon black serving as a reinforcing agent, 0.3 part of paraffin oil, 1.3 parts of vulcanization accelerator (DM, TMTD and DTDM) after uniformly mixing, finally adding 1.1 part of sulfur, uniformly mixing on an open mill to obtain a rubber compound, vulcanizing at 170 ℃ by using a flat vulcanizing machine to obtain vulcanized rubber, and measuring the mechanical properties after punching, wherein the table 1 shows.
Example 7: putting 72 parts of regenerated butyl rubber (RIIR) on a double-roller open mill, vertically passing through the two-roller open mill for 3-5 times, adding 22 parts of butyl rubber (II 1751), passing through the two-roller open mill for 3-5 times, adding 6 parts of Ethylene Propylene Diene Monomer (EPDM), passing through the two-roller open mill for 3-5 times, adding 2.0 parts of activating agent zinc oxide and stearic acid, uniformly mixing, adding 0.3 part of anti-aging agent BLE, 58 parts of anti-aging agent BLE, and uniformly mixing#1.2 parts of semi-refined paraffin and petroleum resin, adding 17 parts of white carbon black serving as a reinforcing agent, 0.3 part of paraffin oil, 1.4 parts of vulcanization accelerators (DM, TMTD and DTDM) after uniformly mixing, finally adding 1.2 parts of sulfur, uniformly mixing on an open mill to obtain a rubber compound, vulcanizing at 170 ℃ by using a flat vulcanizing machine to obtain vulcanized rubber, and measuring the mechanical properties after punching, wherein the table 1 shows. The dynamic mechanical properties were measured with a dynamic thermomechanical analyzer and are shown in Table 2.
Example 8: 69 parts of regenerated butyl rubber (RIIR) were placed on a two-roll millVertically passing 3-5 times of wrapping rollers, adding 24 parts of butyl rubber (IIR 1751), passing 3-5 times of wrapping rollers, adding 7 parts of Ethylene Propylene Diene Monomer (EPDM), passing 3-5 times of wrapping rollers, adding 2.1 parts of activating agent zinc oxide and stearic acid, uniformly mixing, and then adding 0.3 part of anti-aging agent BLE, 58 parts of anti-aging agent BLE#1.2 parts of semi-refined paraffin and petroleum resin, adding 20 parts of white carbon black serving as a reinforcing agent, 0.3 part of paraffin oil, 1.5 parts of vulcanization accelerators (DM, TMTD and DTDM) after uniformly mixing, finally adding 1.3 parts of sulfur, uniformly mixing on an open mill to obtain a rubber compound, vulcanizing at 170 ℃ by using a flat vulcanizing machine to obtain vulcanized rubber, and measuring the mechanical properties after punching, wherein the table 1 shows.
Example 9: putting 66 parts of regenerated butyl rubber (RIIR) on a double-roller open mill, vertically passing through the two-roller open mill for 3-5 times, adding 26 parts of butyl rubber (IIR 1751), passing through the two-roller open mill for 3-5 times, adding 8 parts of Ethylene Propylene Diene Monomer (EPDM), passing through the two-roller open mill for 3-5 times, adding 2.1 parts of activating agent zinc oxide and stearic acid, uniformly mixing, adding 0.3 part of anti-aging agent BLE, 58 parts of anti-aging agent BLE, and uniformly mixing#1.2 parts of semi-refined paraffin and petroleum resin, adding 24 parts of white carbon black serving as a reinforcing agent, 0.3 part of paraffin oil, 1.6 parts of vulcanization accelerators (DM, TMTD and DTDM) after uniformly mixing, finally adding 1.4 parts of sulfur, uniformly mixing on an open mill to obtain a rubber compound, vulcanizing at 170 ℃ by using a flat vulcanizing machine to obtain vulcanized rubber, and measuring the mechanical properties after punching, wherein the table 1 shows.
Example 10: putting 63 parts of regenerated butyl rubber (RIIR) on a double-roller open mill, vertically passing through the two-roller open mill for 3-5 times, adding 28 parts of butyl rubber (IIR 1751), passing through the two-roller open mill for 3-5 times, adding 9 parts of Ethylene Propylene Diene Monomer (EPDM), passing through the two-roller open mill for 3-5 times, adding 2.2 parts of activating agents including zinc oxide and stearic acid, uniformly mixing, adding 0.3 part of anti-aging agents BLE and 58 parts of anti-aging agents BLE, uniformly mixing#1.2 parts of semi-refined paraffin and petroleum resin, adding 27 parts of white carbon black serving as a reinforcing agent, 0.3 part of paraffin oil, 1.7 parts of vulcanization accelerator (DM, TMTD and DTDM) after uniformly mixing, finally adding 1.5 parts of sulfur, uniformly mixing on an open mill to obtain a rubber compound, vulcanizing at 170 ℃ by using a flat vulcanizing machine to obtain vulcanized rubber, and measuring the mechanical properties after punching, wherein the table 1 shows.
Example 11: 60 parts of regenerated butyl rubber (RIIR) are placed vertically on a two-roll mill3-5 times of roll wrapping, adding 30 parts of butyl rubber (IIR 1751), 3-5 times of roll wrapping, adding 10 parts of Ethylene Propylene Diene Monomer (EPDM), 3-5 times of roll wrapping, adding 2.2 parts of activating agent zinc oxide and stearic acid, uniformly mixing, and then adding 0.3 part of anti-aging agent BLE, 58 parts of anti-aging agent BLE#1.2 parts of semi-refined paraffin and petroleum resin, mixing uniformly, adding 30 parts of white carbon black serving as a reinforcing agent, 0.3 part of paraffin oil, 1.8 parts of vulcanization accelerators (DM, TMTD and DTDM) and finally 1.6 parts of sulfur, mixing uniformly on an open mill to obtain a rubber compound, vulcanizing at 170 ℃ by using a flat vulcanizing machine to obtain vulcanized rubber, and measuring the mechanical properties after punching, wherein the table 1 shows. The dynamic mechanical properties were measured with a dynamic thermomechanical analyzer and are shown in Table 2.
TABLE 1
Test items | Tensile strength/MPa | Elongation at break/% | hardness/Shore A | Mooney viscosity |
Example 1 | 8.10 | 410 | 64 | 60 |
Example 2 | 8.25 | 405 | 66 | 62 |
Example 3 | 8.45 | 393 | 67 | 68 |
Example 4 | 8.78 | 365 | 68 | 72 |
Example 5 | 8.85 | 344 | 70 | 75 |
Example 6 | 7.79 | 422 | 64 | 79 |
Example 7 | 8.28 | 377 | 66 | 88 |
Example 8 | 8.24 | 397 | 67 | 121 |
Example 9 | 8.00 | 403 | 71 | 122 |
Example 10 | 7.94 | 411 | 75 | - |
Example 11 | 7.91 | 422 | 77 | - |
TABLE 2
tanδ | Example 1 | Example 5 | Example 7 | Example 11 |
60℃ | 0.15188 | 0.13461 | 0.12362 | 0.10314 |
80℃ | 0.14765 | 0.13375 | 0.12392 | 0.10443 |
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The preparation method of the white carbon black-containing butyl inner tube of the truck is characterized by comprising the following preparation processes:
respectively placing RIIR, IIR and EPDM on an open mill for open milling, wrapping the rollers after uniform plastication, sequentially adding an active agent, a lubricant, an anti-aging agent, a reinforcing agent and a plasticizer into the rubber compound, and uniformly mixing the rubber compound; the raw materials are prepared from the following components in parts by weight: 60-75 parts of RIIR, 20-30 parts of IIR, 5-10 parts of EPDM, 1.0-1.6 parts of sulfur, 1.3-1.8 parts of accelerator, 2.0-2.2 parts of vulcanization activator, 10-32 parts of white carbon black, 1.5 parts of plasticizer and 0.3 part of anti-aging agent; the vulcanization time T of the rubber is then determined using a rotorless vulcameter90And under the condition of temperature of 170 ℃ and pressure of 10MPa, putting the rubber on a flat vulcanizing machine according to the rolling direction of the rubber for vulcanization, standing for 8 hours, preparing a sample and testing.
2. The preparation method of the white carbon black-containing butyl inner tube of the truck is characterized by comprising the following preparation processes: putting regenerated butyl rubber (RIIR) on a double-roller open mill, vertically passing through a roll for 3-5 times, adding butyl rubber (IIR 1751) and passing through the roll for 3-5 times, adding Ethylene Propylene Diene Monomer (EPDM) and passing through the roll for 3-5 times, then adding activating agents zinc oxide and stearic acid, uniformly mixing, then adding an anti-aging agent BLE and a plasticizer, uniformly mixing, then adding a reinforcing agent, a plasticizer and a vulcanization accelerator, finally adding a vulcanizing agent, uniformly mixing on the open mill to obtain a mixed rubber, vulcanizing at 170 ℃ by using a flat plate vulcanizing machine to obtain vulcanized rubber, and testing the mechanical properties of the vulcanized rubber after punching.
3. The method for preparing the white carbon black-containing lorry butyl inner tube as claimed in claim 1 or 2, characterized in that the rubber is a composition of RIIR, IIR1751 butyl rubber and EPDM.
4. The method for preparing the white carbon black-containing lorry butyl inner tube as claimed in claim 1, characterized in that the vulcanizing activator is zinc oxide and stearic acid.
5. The method for preparing the white carbon black-containing lorry butyl inner tube as claimed in claim 1 or 2, characterized in that the anti-aging agent used by the rubber material is anti-aging agent 9,9' -dimethylacridine (anti-aging agent BLE).
6. The method for preparing the white carbon black-containing lorry butyl inner tube according to the claim 1 or 2, characterized in that the plasticizer is CK-90 petroleum resin, 58#A combination of semi-refined paraffin and paraffin oil.
7. The method for preparing the white carbon black-containing lorry butyl inner tube according to claim 1 or 2, characterized in that the accelerator is 2,2 '-dithiodibenzothiazyl (accelerator DM), tetramethylthiuram disulfide (accelerator TMTD), 4' -dithiodimorpholine (accelerator DTDM).
8. The method for preparing the white carbon black-containing lorry butyl inner tube according to the claim 1 or 2, characterized in that the reinforcing agent is white carbon black.
9. The method for preparing the white carbon black-containing lorry butyl inner tube according to the claim 1 or 2, characterized in that the vulcanizing agent is sulfur.
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CN102127268A (en) * | 2010-01-18 | 2011-07-20 | 住友橡胶工业株式会社 | Rubber composition for inner liner and pneumatic tire |
CN103146085A (en) * | 2013-03-27 | 2013-06-12 | 东莞市建东橡胶制品有限公司 | Proportional remote control racing car tire and preparation method thereof |
CN104592653A (en) * | 2013-11-01 | 2015-05-06 | 建大橡胶(中国)有限公司 | High-gas-retention-performance inner tube rubber |
CN111117083A (en) * | 2020-01-10 | 2020-05-08 | 山东海益橡胶科技有限公司 | Encapsulating sleeve prepared by compounding butyl rubber and ethylene propylene diene monomer and preparation method thereof |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102127268A (en) * | 2010-01-18 | 2011-07-20 | 住友橡胶工业株式会社 | Rubber composition for inner liner and pneumatic tire |
CN103146085A (en) * | 2013-03-27 | 2013-06-12 | 东莞市建东橡胶制品有限公司 | Proportional remote control racing car tire and preparation method thereof |
CN104592653A (en) * | 2013-11-01 | 2015-05-06 | 建大橡胶(中国)有限公司 | High-gas-retention-performance inner tube rubber |
CN111117083A (en) * | 2020-01-10 | 2020-05-08 | 山东海益橡胶科技有限公司 | Encapsulating sleeve prepared by compounding butyl rubber and ethylene propylene diene monomer and preparation method thereof |
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