CN107828138A - Giant-scale engineering radial-ply tyre rubber composition for airtight layer and preparation method thereof - Google Patents
Giant-scale engineering radial-ply tyre rubber composition for airtight layer and preparation method thereof Download PDFInfo
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- CN107828138A CN107828138A CN201711318772.XA CN201711318772A CN107828138A CN 107828138 A CN107828138 A CN 107828138A CN 201711318772 A CN201711318772 A CN 201711318772A CN 107828138 A CN107828138 A CN 107828138A
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- kneaded
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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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/283—Halogenated homo- or copolymers of 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
- B60C1/0008—Compositions of the inner liner
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
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- Chemical & Material Sciences (AREA)
- General 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)
- Tires In General (AREA)
Abstract
The present invention relates to rubber for tire technical field, specifically a kind of giant-scale engineering radial-ply tyre rubber composition for airtight layer and preparation method thereof.Include each component of following parts by weight：100phr brombutyls, 55~65phr carbon blacks N660,4.0~8.0phr rubber processing oil, 5.0~12.0phr uniform resin 42MSA, 1.0~2.0phr stearic acid, 3.0 6.0phr octyl group tackifying resin SL1801,2.0~3.5phr zinc oxide, 2, the 2 of 1.0~1.8phr′Dithio-bis-benzothiazole, 0~1.0 phr sulphur.One section of mixing：Start banbury add brombutyl, uniform resin 42MSA, stearic acid, tackifying resin SL1801 and carbon black, be kneaded 30 40 seconds then add operation oil continue be kneaded to 110 120 DEG C of dumpings, mixing time will be more than 240 seconds；Stand：Sizing material is cooled to room temperature after one section is kneaded；Refining eventually：Start banbury, by one section of rubber master batch, 2,2′Dithio-bis-benzothiazole, sulphur and zinc oxide, which add, to be kneaded 120 170 seconds, and sizing material dump temperature is 90 105 DEG C.
Description
Technical field
The present invention relates to rubber for tire technical field, 100% bromine of specifically a kind of giant-scale engineering radial-ply tyre inner liner
Change butyl rubber composition and preparation method thereof.
Background technology
It is well known that in recent years, global giant-scale engineering radial-ply tyre investment is in the ascendant, and huge profit margin attracts major
Company's input huge fund is expanded production.Meanwhile because giant-scale engineering radial-ply tyre is high to Technology design level requirement, domestic giant-scale engineering
Radial-ply tyre level still has larger difference with Michelin, BRIDGESTONE and compared with consolidating the foreign brand name such as special in terms of tyre last
Away from.Wherein, major product part of the inner liner as radial, its air-tightness height directly affect tyres durable performance,
And as the important component of radial inner liner glue, brombutyl in recipe ingredient accounting to inner liner
Glue air-tightness has will reduction using sizing material air-tightness after the natural rubber of 20% content in vital influence, such as formula
More than 35%.For many years, with when being molded there is joint in the roll banding problem because of 100% brombutyl inner liner in calender line
Breach problem causes the country to there is no giant-scale engineering radial-ply tyre factory to use the airtight layer formula of 100% brominated butyl.
The content of the invention
The purpose of the present invention is exactly to overcome existing technical deficiency, there is provided a kind of giant-scale engineering radial-ply tyre inner liner is used
Rubber composition, the component formula can effectively solve the problem that inner liner sizing material calendering roll banding problem and shaping inner liner joint breach are asked
Topic.
The present invention solves the technical scheme that above-mentioned technical problem uses：A kind of giant-scale engineering radial-ply tyre inner liner rubber
Composition, it is characterised in that include each component of following parts by weight：100phr brombutyls, 55~65phr carbon blacks
N660,4.0~8.0phr rubber processing oil, 5.0~12.0phr uniform resin 42MSA, 1.0~2.0phr stearic acid,
3.0-6.0phr octyl group tackifying resin SL1801,2.0~3.5phr zinc oxide, 2, the 2 of 1.0~1.8phr′- two thio two
Benzothiazole, 0~1.0 phr sulphur.
Described brombutyl Mooney viscosity is higher than 42.
A kind of method for preparing foregoing giant-scale engineering radial-ply tyre rubber composition for airtight layer, it is characterised in that comprising such as
Lower step：
One section of mixing：Start the banbury that rotor type is ZZ2, set the rotor speed of banbury to turn for 20-25, add bromination
Butyl rubber, uniform resin 42MSA, stearic acid, tackifying resin SL1801 and carbon black, it is kneaded the 30-40 seconds and then adds operation oil
Continue to be kneaded to 110-120 DEG C of dumping, to ensure melting effect, total mixing time will be more than 240 seconds；
Stand：Sizing material is cooled to room temperature after one section is kneaded；
Refining eventually：Start rotor type be ZZ2 banbury, set closed-smelting machine rotor rotating speed be 16-20 turn, by one section of rubber master batch, 2,
2′- dithio-bis-benzothiazole, sulphur and zinc oxide, which add, is kneaded the 120-170 seconds, and sizing material dump temperature is 90-105 DEG C.
The invention has the advantages that sizing material air-tightness can be improved to greatest extent, elastomeric compound green strength is effectively improved,
Solve calendering roll banding and into type joint breach technological problemses, there is excellent compatibility, rubber compounding can be improved to greatest extent
Uniformity coefficient, sizing material incipient scorch technological problemses in process can be avoided.
Embodiment
With reference to embodiment, the present invention will be further described：
Giant-scale engineering radial-ply tyre of the present invention is as follows with the preparation process of 100% butyl rubber bromide glue composition：
One section of mixing：Start banbury（Rotor type is ZZ2 rotors）, the rotor speed for setting banbury is 23 turns, adds bromine
Change butyl rubber, uniform resin 42MSA, stearic acid, tackifying resin SL1801 and carbon black, be kneaded 40 seconds then add operation oil after
Continuous to be kneaded to 115 DEG C of dumpings, total mixing time is 265 seconds.
Stand：Sizing material is cooled to room temperature after one section is kneaded.
Refining eventually：Start banbury（Rotor type is ZZ2 rotors）, it is 17 turns to set closed-smelting machine rotor rotating speed, by one section of mother
Glue, 2,2′- dithio-bis-benzothiazole, sulphur and zinc oxide, which add, to be kneaded 140 seconds, and sizing material dump temperature is 96 DEG C.
Specific embodiment inventive composition coordinates and formula physical property table is shown in Table shown in 1 and table 2 respectively：
Reference examples and embodiment rubber composition are subjected to sulphur under 150 DEG C of * 120min conditions of vulcanization using vulcanizing press
Change, your the A tests that continue are carried out according to standard GB/T/T 531-1999, carried out according to standard GB/T/T 528- 1998
Tensile property is tested.
And in the present invention：
The brombutyl trade mark is BBX2, crude rubber Mooney viscosity 46, is Lanxess Corporation's product.
The naphthenic oil trade mark is TUDALEN 3367, is German Chinese sage Products.
The uniform resin trade mark is 42MSA, U.S.'s STRUKTOL Products.
Claims (3)
1. a kind of giant-scale engineering radial-ply tyre rubber composition for airtight layer, it is characterised in that include each component of following parts by weight：
100phr brombutyls, 55~65phr carbon blacks N660,4.0~8.0phr rubber processing oil, 5.0~12.0phr's is equal
Even resin 42MSA, 1.0~2.0phr stearic acid, 3.0-6.0phr octyl group tackifying resin SL1801,2.0~3.5phr's
Zinc oxide, 2, the 2 of 1.0~1.8phr′- dithio-bis-benzothiazole, 0~1.0 phr sulphur.
2. giant-scale engineering radial-ply tyre rubber composition for airtight layer according to claim 1, it is characterised in that described bromination
Butyl rubber Mooney viscosity is higher than 42.
A kind of 3. method for preparing giant-scale engineering radial-ply tyre rubber composition for airtight layer described in claim 1, it is characterised in that
Comprise the following steps：
One section of mixing：Start the banbury that rotor type is ZZ2, set the rotor speed of banbury to turn for 20-25, add bromination
Butyl rubber, uniform resin 42MSA, stearic acid, tackifying resin SL1801 and carbon black, it is kneaded the 30-40 seconds and then adds operation oil
Continuing mixing to 110-120 DEG C of dumping, total mixing time will be more than 240 second；
Stand：Sizing material is cooled to room temperature after one section is kneaded；
Refining eventually：Start rotor type be ZZ2 banbury, set closed-smelting machine rotor rotating speed be 16-20 turn, by one section of rubber master batch, 2,
2′- dithio-bis-benzothiazole, sulphur and zinc oxide, which add, is kneaded the 120-170 seconds, and sizing material dump temperature is 90-105 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711318772.XA CN107828138A (en) | 2017-12-12 | 2017-12-12 | Giant-scale engineering radial-ply tyre rubber composition for airtight layer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711318772.XA CN107828138A (en) | 2017-12-12 | 2017-12-12 | Giant-scale engineering radial-ply tyre rubber composition for airtight layer and preparation method thereof |
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| CN107828138A true CN107828138A (en) | 2018-03-23 |
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| CN201711318772.XA Pending CN107828138A (en) | 2017-12-12 | 2017-12-12 | Giant-scale engineering radial-ply tyre rubber composition for airtight layer and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679239A (en) * | 2018-12-24 | 2019-04-26 | 贵州轮胎股份有限公司 | A kind of inner liner sizing material of steel radial tyre and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756170A (en) * | 2013-12-31 | 2014-04-30 | 黄河三角洲京博化工研究院有限公司 | Radial tire inner liner rubber and preparation method thereof |
| CN104371266A (en) * | 2014-11-29 | 2015-02-25 | 山东阳谷华泰化工股份有限公司 | Novel tire airtight liner promoter and preparation method and application thereof |
-
2017
- 2017-12-12 CN CN201711318772.XA patent/CN107828138A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756170A (en) * | 2013-12-31 | 2014-04-30 | 黄河三角洲京博化工研究院有限公司 | Radial tire inner liner rubber and preparation method thereof |
| CN104371266A (en) * | 2014-11-29 | 2015-02-25 | 山东阳谷华泰化工股份有限公司 | Novel tire airtight liner promoter and preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679239A (en) * | 2018-12-24 | 2019-04-26 | 贵州轮胎股份有限公司 | A kind of inner liner sizing material of steel radial tyre and preparation method thereof |
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