CN113583304A - Dynamic ozone aging resistant tire sidewall rubber and preparation method thereof - Google Patents
Dynamic ozone aging resistant tire sidewall rubber and preparation method thereof Download PDFInfo
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- CN113583304A CN113583304A CN202110837594.1A CN202110837594A CN113583304A CN 113583304 A CN113583304 A CN 113583304A CN 202110837594 A CN202110837594 A CN 202110837594A CN 113583304 A CN113583304 A CN 113583304A
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- rubber
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- tire sidewall
- carbon black
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 71
- 239000005060 rubber Substances 0.000 title claims abstract description 71
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 230000032683 aging Effects 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 229920002681 hypalon Polymers 0.000 claims abstract description 11
- PIBIAJQNHWMGTD-UHFFFAOYSA-N 1-n,3-n-bis(4-methylphenyl)benzene-1,3-diamine Chemical compound C1=CC(C)=CC=C1NC1=CC=CC(NC=2C=CC(C)=CC=2)=C1 PIBIAJQNHWMGTD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 9
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 9
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 9
- 229920001194 natural rubber Polymers 0.000 claims abstract description 9
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 9
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 9
- 230000002745 absorbent Effects 0.000 claims abstract description 7
- 239000002250 absorbent Substances 0.000 claims abstract description 7
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 14
- 239000006229 carbon black Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 12
- 239000003112 inhibitor Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 239000010692 aromatic oil Substances 0.000 claims description 7
- 239000003208 petroleum Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 239000011787 zinc oxide Substances 0.000 claims description 7
- 229920005549 butyl rubber Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 241001441571 Hiodontidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B60C1/0025—Compositions of the sidewalls
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tires In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Tyre Moulding (AREA)
Abstract
The invention discloses a dynamic ozone aging resistant sidewall rubber, which is characterized in that according to the characteristics that a tire sidewall is subjected to flexion and extension for a long time and is easily subjected to ozone aging, on the basis of general rubber natural rubber, butadiene rubber and styrene butadiene rubber, chlorosulfonated polyethylene rubber with better ozone resistance, an anti-aging agent 6PPD with better dynamic ozone aging resistance and a proper amount of anti-aging agent DTPD with better static ozone aging resistance are added, an ultraviolet absorbent UV-0 is added into a rubber material, the ultraviolet absorbent UV-0 is better matched between the rubber and the chlorosulfonated polyethylene rubber, and meanwhile, in order to further improve the ozone aging resistance of the tire sidewall rubber and reduce the cost of the rubber material, high-strength butyl recovery rubber with remarkable ozone aging resistance is added.
Description
The application is a divisional application with application date of 2019, 02 and 01, application number of 201910101789.2 and invention name of 'a dynamic ozone aging resistant tire sidewall rubber and a preparation method thereof'.
Technical Field
The invention relates to tire rubber, in particular to dynamic ozone aging resistant tire sidewall rubber and a preparation method thereof, and belongs to the technical field of rubber processing.
Background
The result of ozone attack on rubber articles subjected to a strain is the development of cracks which ultimately lead to complete failure of the rubber article. Unlike other rubber products, the tire bears force constantly and moves constantly, the tire sidewall rubber is thin, and the tire is continuously subjected to the action of flexing and stretching in the moving process, so that the tire is easily subjected to dynamic ozone aging at present when the ozone content rises year by year.
In the prior art, a large amount of ozone-resistant anti-aging agent is added into tire sidewall rubber, so that the operation easily causes the phenomenon that the anti-aging agent is separated out of the surface of the tire sidewall in the process of ozone aging resistance of the tire, particularly rubber anti-aging agent protective wax, the separation capability is strong, the tire sidewall loses the original color, and the appearance quality of the tire is influenced, so that the method cannot simply add a large amount of ozone-resistant anti-aging agent in order to ensure the ozone aging resistance of the tire sidewall.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a dynamic ozone aging resistant tire sidewall rubber, according to the characteristics that the tire sidewall is subjected to flex and stretch for a long time and is easy to be subjected to ozone aging, on the basis of general rubber natural rubber, butadiene rubber and styrene butadiene rubber, chlorosulfonated polyethylene rubber with better ozone resistance, antioxidant 6PPD with better dynamic ozone aging resistance and a proper amount of antioxidant DTPD with better static ozone aging resistance are added, the matching of the two antioxidants ensures that the rubber material has better dynamic ozone aging resistance, a small amount of protective wax and antioxidant TMQ and high-strength butyl recovery rubber with better ozone resistance, higher strength and lower price are matched, the ozone aging speed of the rubber under the irradiation of ultraviolet rays is faster, and the current ultraviolet ray strength on the earth is gradually increased, therefore, the ultraviolet absorbent UV-0 is specially added into the rubber material, and the ultraviolet absorbent UV-0 of the product is well matched with the chlorosulfonated polyethylene rubber and has obvious aging resistance.
The invention is realized by the following technical scheme: the utility model provides a tire sidewall rubber that resistant dynamic ozone is ageing which characterized in that: the raw materials and the parts of the materials are as follows: 55 parts of natural rubber; 40 parts of butadiene rubber; styrene butadiene rubber and 5 parts; 2.8 parts of zinc oxide; SA 2.0 portions; 1.2 parts of sulfur; accelerator NS and 1.5 parts; 1.5-2 parts of age inhibitor 6 PPD; 1-1.5 parts of anti-aging agent DTPD; 1-2 parts of an anti-aging agent TMQ; 1 part of protective wax; 4.0 parts of aromatic oil; petroleum resin, 3.0 parts; chlorosulfonated polyethylene rubber, 7-10 parts; ultraviolet absorbent UV-0, 1.5-2 shares; 30 parts of N660 carbon black; 30 parts of N330 carbon black; 8-10 parts of high-strength butyl recovery rubber.
The preparation method of the dynamic ozone aging resistant tire sidewall rubber is characterized by comprising the following steps:
step 1) preparation of a masterbatch: an X (S) M-1.5L internal mixer is adopted, the rotating speed of a rotor is 40r/min, and the mixing process and the feeding sequence are as follows: natural rubber, butadiene rubber, styrene-butadiene rubber, high-tenacity butyl rubber, chlorosulfonated polyethylene rubber, an anti-aging agent 6PPD, an anti-aging agent TMQ, zinc oxide, SA, an anti-aging agent DTPD, protective wax, an ultraviolet absorber UV-0 → pressing top plug (40s) → N660 carbon black, N330 carbon black → pressing top plug (100s) → aromatic oil, petroleum resin → pressing top plug (70s) → rubber discharge, and a rubber discharge temperature of 127 ℃;
step 2) preparation of final rubber: an XK-160 open mill is adopted, and the charging sequence is as follows: master batch → accelerator NS, sulfur → rubber material is mixed evenly, thin powder → rubber material is taken out.
The invention has the beneficial technical effects that: the dynamic ozone aging resistant tire sidewall rubber prepared by the invention has the advantages of excellent aging resistance and low cost, and after 6 months of testing period, the tire sidewall has no crack and no pockmark type crack.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
The dynamic ozone aging resistant tire sidewall rubber comprises the following raw materials in parts by weight: 55 parts of natural rubber; 40 parts of butadiene rubber; styrene butadiene rubber and 5 parts; 2.8 parts of zinc oxide; SA 2.0 portions; 1.2 parts of sulfur; accelerator NS and 1.5 parts; 1.5-2 parts of age inhibitor 6 PPD; 1-1.5 parts of anti-aging agent DTPD; 1-2 parts of an anti-aging agent TMQ; 1 part of protective wax; 4.0 parts of aromatic oil; petroleum resin, 3.0 parts; chlorosulfonated polyethylene rubber, 7-10 parts; ultraviolet absorbent UV-0, 1.5-2 shares; 30 parts of N660 carbon black; 30 parts of N330 carbon black; 8-10 parts of high-strength butyl recovery rubber.
The preparation method of the dynamic ozone aging resistant tire sidewall rubber comprises the following steps:
step 1) preparation of a masterbatch: an X (S) M-1.5L internal mixer is adopted, the rotating speed of a rotor is 40r/min, and the mixing process and the feeding sequence are as follows: natural rubber, butadiene rubber, styrene-butadiene rubber, high tenacity butyl rubber, chlorosulfonated polyethylene rubber, zinc oxide, SA, age resister 6PPD, age resister TMQ, protective wax, age resister DTPD, ultraviolet absorber UV-0 → pressing top plug (40s) → N660 carbon black, N330 carbon black → pressing top plug (100s) → aromatic oil, petroleum resin → pressing top plug (70s) → rubber discharge, and a rubber discharge temperature of 127 ℃;
step 2) preparation of final rubber: an XK-160 open mill is adopted, and the charging sequence is as follows: master batch → accelerator NS, sulfur → rubber material is mixed evenly, thin powder → rubber material is taken out.
The performance indexes of the high-strength butyl recovery rubber are shown in table 1:
TABLE 1 Performance index of high tenacity butyl recovery rubber
| Item | Product standards |
| Tensile Strength: (Mpa) | ≥17.0 |
| Elongation at Break (%) | ≥460 |
| Hardness (Shao Er A) | 63-68 |
| Mooney property | ≤80 |
| Moisture (%) | ≤1.00 |
| Ash (%) | ≤9.00 |
| Acetone extract (%) | ≤21.00 |
| Density (g/cm3) | ≤1.20 |
The tire sidewall rubber with the dynamic ozone aging resistance prepared in the embodiment has the following ozone testing conditions: 100pphm, 72h, 20% stretch, 50 ℃; after the test, the test piece is complete and has no aging phenomena such as cracking and the like, and the requirement of ozone resistance is met.
The tires were tested outdoors for ozone: two 11.2-24-6R1 tires are selected to be subjected to an installation test outdoors, a tractor is produced by a first tractor company limited, the two tires are matched with a tractor rear wheel, wherein the tire A is a normal sidewall rubber tire, the tire B is a dynamic ozone aging resistant tire sidewall rubber tire, the tractor performs high-strength frequent operation in a Yangtze river area with high ozone concentration between 2018 and 5 months and 10 months, after a test period of 6 months, the tire sidewall of the tire A is subjected to pockmark type cracking, and the tire sidewall of the tire B is not cracked.
Claims (2)
1. The utility model provides a tire sidewall rubber that resistant dynamic ozone is ageing which characterized in that: the raw materials and the parts of the materials are as follows: 55 parts of natural rubber; 40 parts of butadiene rubber; styrene butadiene rubber and 5 parts; 2.8 parts of zinc oxide; SA 2.0 portions; 1.2 parts of sulfur; accelerator NS and 1.5 parts; 1.5-2 parts of age inhibitor 6 PPD; 1-1.5 parts of anti-aging agent DTPD; 1-2 parts of an anti-aging agent TMQ; 1 part of protective wax; 4.0 parts of aromatic oil; petroleum resin, 3.0 parts; chlorosulfonated polyethylene rubber, 7-10 parts; ultraviolet absorbent UV-0, 1.5-2 shares; 30 parts of N660 carbon black; 30 parts of N330 carbon black; 8-10 parts of high-strength butyl recovery rubber;
the preparation method of the dynamic ozone aging resistant tire sidewall rubber comprises the following steps:
step 1) preparation of a masterbatch: an X (S) M-1.5L internal mixer is adopted, the rotating speed of a rotor is 40r/min, and the mixing process and the feeding sequence are as follows: natural rubber, butadiene rubber, styrene-butadiene rubber, high-tenacity butyl rubber, chlorosulfonated polyethylene rubber, age inhibitor 6PPD, age inhibitor TMQ, age inhibitor DTPD, ultraviolet absorber UV-0, zinc oxide and other small materials → pressing top plug (40s) → N660 carbon black, N330 carbon black → pressing top plug (100s) → aromatic oil, petroleum resin → pressing top plug (70s) → rubber discharge, and the rubber discharge temperature is 127 ℃;
step 2) preparation of final rubber: an XK-160 open mill is adopted, and the charging sequence is as follows: master batch → accelerator NS, sulfur → rubber material is mixed evenly, thin powder → rubber material is taken out.
2. The method for preparing the dynamic ozone aging resistant tire sidewall rubber as claimed in claim 1, wherein the method comprises the following steps:
step 1) preparation of a masterbatch: an X (S) M-1.5L internal mixer is adopted, the rotating speed of a rotor is 40r/min, and the mixing process and the feeding sequence are as follows: natural rubber, butadiene rubber, styrene-butadiene rubber, high-tenacity butyl rubber, chlorosulfonated polyethylene rubber, age inhibitor 6PPD, age inhibitor TMQ, age inhibitor DTPD, ultraviolet absorber UV-0, zinc oxide and other small materials → pressing top plug (40s) → N660 carbon black, N330 carbon black → pressing top plug (100s) → aromatic oil, petroleum resin → pressing top plug (70s) → rubber discharge, and the rubber discharge temperature is 127 ℃;
step 2) preparation of final rubber: an XK-160 open mill is adopted, and the charging sequence is as follows: master batch → accelerator NS, sulfur → rubber material is mixed evenly, thin powder → rubber material is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110837594.1A CN113583304A (en) | 2019-02-01 | 2019-02-01 | Dynamic ozone aging resistant tire sidewall rubber and preparation method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101789.2A CN109810300A (en) | 2019-02-01 | 2019-02-01 | A kind of resistance to dynamic ozone aging tire sidewall glue and preparation method thereof |
| CN202110837594.1A CN113583304A (en) | 2019-02-01 | 2019-02-01 | Dynamic ozone aging resistant tire sidewall rubber and preparation method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910101789.2A Division CN109810300A (en) | 2019-02-01 | 2019-02-01 | A kind of resistance to dynamic ozone aging tire sidewall glue and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113583304A true CN113583304A (en) | 2021-11-02 |
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|---|---|---|---|
| CN202110837594.1A Pending CN113583304A (en) | 2019-02-01 | 2019-02-01 | Dynamic ozone aging resistant tire sidewall rubber and preparation method thereof |
| CN201910101789.2A Pending CN109810300A (en) | 2019-02-01 | 2019-02-01 | A kind of resistance to dynamic ozone aging tire sidewall glue and preparation method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910101789.2A Pending CN109810300A (en) | 2019-02-01 | 2019-02-01 | A kind of resistance to dynamic ozone aging tire sidewall glue and preparation method thereof |
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| Country | Link |
|---|---|
| CN (2) | CN113583304A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225953B (en) * | 2020-10-13 | 2021-12-28 | 圣奥化学科技有限公司 | Low-odor rubber composition with excellent thermal-oxidative aging resistance and tensile fatigue resistance |
| CN112708214B (en) * | 2020-12-11 | 2023-07-07 | 厦门正新橡胶工业有限公司 | Anti-aging agent rubber patch, preparation method thereof and method for preparing tire by using anti-aging agent rubber patch |
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| CN103467793A (en) * | 2013-08-02 | 2013-12-25 | 山东永泰化工有限公司 | Sidewall rubber of automobile tire |
| CN104292511A (en) * | 2014-08-26 | 2015-01-21 | 赛轮集团股份有限公司 | Preparation method for aging resistance protection glue at tire side-wall and seam allowance part and application method thereof |
| CN105418998A (en) * | 2015-12-17 | 2016-03-23 | 山东永泰集团有限公司 | Sidewall rubber and preparation method thereof |
| EP3403851A1 (en) * | 2017-05-18 | 2018-11-21 | Hankook Tire Co., Ltd. | Rubber composition for protecting sidewall of tire from ozone and tire manufactured using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117409A (en) * | 2007-07-14 | 2008-02-06 | 昊华南方(桂林)橡胶有限责任公司 | All-steel giant-scale engineering tyre side glue and all-steel giant-scale engineering tyre using the same |
| CN102896974A (en) * | 2012-10-25 | 2013-01-30 | 北京化工大学 | Ozone-aging-resisting high-performance tire and manufacturing method thereof |
| CN105542257B (en) * | 2015-12-17 | 2018-05-29 | 大陆马牌轮胎（中国）有限公司 | A kind of muddy ground tire sidewall sizing composition and preparation method |
| CN106832448B (en) * | 2017-02-22 | 2019-02-26 | 双钱集团上海轮胎研究所有限公司 | A kind of tread rubber being used to prepare high-performance tire |
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2019
- 2019-02-01 CN CN202110837594.1A patent/CN113583304A/en active Pending
- 2019-02-01 CN CN201910101789.2A patent/CN109810300A/en active Pending
Patent Citations (4)
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| CN103467793A (en) * | 2013-08-02 | 2013-12-25 | 山东永泰化工有限公司 | Sidewall rubber of automobile tire |
| CN104292511A (en) * | 2014-08-26 | 2015-01-21 | 赛轮集团股份有限公司 | Preparation method for aging resistance protection glue at tire side-wall and seam allowance part and application method thereof |
| CN105418998A (en) * | 2015-12-17 | 2016-03-23 | 山东永泰集团有限公司 | Sidewall rubber and preparation method thereof |
| EP3403851A1 (en) * | 2017-05-18 | 2018-11-21 | Hankook Tire Co., Ltd. | Rubber composition for protecting sidewall of tire from ozone and tire manufactured using the same |
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Application publication date: 20211102 |
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