CN102585307A - Tire air-tight layer rubber material with low cost and preparation method thereof - Google Patents
Tire air-tight layer rubber material with low cost and preparation method thereof Download PDFInfo
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- CN102585307A CN102585307A CN2012100320481A CN201210032048A CN102585307A CN 102585307 A CN102585307 A CN 102585307A CN 2012100320481 A CN2012100320481 A CN 2012100320481A CN 201210032048 A CN201210032048 A CN 201210032048A CN 102585307 A CN102585307 A CN 102585307A
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Abstract
The invention discloses a tire air-tight layer rubber material with low cost, which is prepared by natural rubber, brominized butyl rubber and an addictive, and modified chlorosulfonated polyethylene is utilized to replace 7-16.7% (mass) of brominized butyl rubber. The modified chlorosulfonated polyethylene with low price is utilized to replace part of brominized butyl rubber with high price so as to reduce the cost of the tire air-tight layer rubber material, and the replacement has no influence on the comprehensive performance of the rubber material and can ensure the normal use of the rubber material. In addition, the tire air-tight layer rubber material adopts the existing preparation method and does not need to change equipment and process.
Description
Technical field
The present invention relates to tyre airtight layer sizing material technical field, particularly relate to a kind of low-cost tyre airtight layer sizing material and preparation method thereof.
Background technology
In conventional rubber, butyl rubber has best resistance to air loss, thus tire company mostly with butyl rubber as the main sizing material in the tyre airtight layer sizing compound formula.But because the dispersion of carbon black and small powder is inhomogeneous in the prescription of brominated butyl rubber; And be prone to bubble when fitting with transition layer; So the prescription that present domestic tire company all adopts brominated butyl rubber and natural gum and usefulness basically is as the air retaining wall sizing material; General brominated butyl rubber/natural gum and the use ratio be 80/20,70/30,60/40 etc., brominated butyl rubber and natural gum and inhomogeneous with having solved the dispersion of carbon black and small powder, be prone to the defective of bubble when fitting with transition layer.Along with the development of tyre industry, competition fierce day by day, the development trend of tyre airtight layer is to use prescription with high-air-tightness more improving the air retaining wall quality, or reduces the cost of air retaining wall sizing material, to reduce the cost of tire.
Summary of the invention
Technical problem to be solved by this invention is to reduce the cost of air retaining wall sizing material; A kind of low-cost tyre airtight layer sizing material and preparation method thereof is provided; Adopt the lower modification chlorosulphonation SE of price to replace the higher brominated butyl rubber of price; Guaranteeing effectively to reduce the cost of sizing material under the impregnable prerequisite of resistance to air loss.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
The low-cost tyre airtight layer sizing material of the present invention; Be to be prepared from tree elastomer, brominated butyl rubber and auxiliary agent; Its proportioning adopts existing conventional prescription and consumption; The preparation method also adopts existing conventional preparation method, wherein, replaces the brominated butyl rubber of 7-16.7% (quality) with modification chlorosulphonation SE.
Preferably, the brominated butyl rubber that replaces 9.5-16.2% (quality) in the above-mentioned low-cost tyre airtight layer sizing material with modification chlorosulphonation SE.Best, with the brominated butyl rubber of modification chlorosulphonation SE replacement 14.3%.
Concrete; Calculate according to mass parts, the low-cost tyre airtight layer sizing material of the present invention is to be prepared from tree elastomer 20-40 part, brominated butyl rubber 60-80 part, modification chlorosulphonation SE 6-12 part, carbon black 50-70 part, zinc oxide 2-6 part, Triple Pressed Stearic Acid 1-3 part, Natural manganese dioxide 0.1-0.8 part, tenderizer 6-15 part, aromatic hydrocarbon oil 2-8 part, sulphur 0.2-0.8 part, promotor 0.5-2 part and scorch retarder 0.1-0.2 part.
Preferably, in above-mentioned prescription, the mass parts of modification chlorosulphonation SE is 8.4-11.6.
Best, aforementioned low-cost tyre airtight layer sizing material is to be prepared from for 0.15 part 30 parts of tree elastomers, 60 parts of brominated butyl rubbers, 10 parts of modification chlorosulphonation SE, 60 parts of carbon blacks, 4 parts in zinc oxide, 1 part of Triple Pressed Stearic Acid, 0.5 part in Natural manganese dioxide, 10 parts of tenderizers, 5 parts of aromatic hydrocarbon oil, 0.5 part in sulphur, 1.5 parts of promotor and scorch retarder.
The present invention also provides the preparation method of aforementioned low-cost tyre airtight layer sizing material, comprises the steps:
(1) calendering process: it is 70-90rpm that the Banbury mixer rotating speed is set; Add tree elastomer, brominated butyl rubber, modification chlorosulphonation SE, Triple Pressed Stearic Acid, zinc oxide, tenderizer, add carbon black behind the mixing 30-50s, mixing to 160-180s; Add aromatic hydrocarbon oil; Mixing to 190-210s, press bolt 30-50s, discharge promptly gets rubber unvulcanizate;
(2) whole sweetening process: 50-70 ℃ of mill preliminary roller rotating speed 22-26rpm, back roller rotating speed 16-20rpm, roller temperature is set; Add rubber unvulcanizate, sulphur, Natural manganese dioxide, promotor, scorch retarder; The triangle bag is played 6 times by Botong 6 times, and binder removal promptly gets low-cost tyre airtight layer sizing material.
Preferably, above-mentioned preparation method is:
(1) calendering process: it is 80rpm that the Banbury mixer rotating speed is set; Add tree elastomer, brominated butyl rubber, modification chlorosulphonation SE, Triple Pressed Stearic Acid, zinc oxide, tenderizer, add carbon black behind the mixing 40s, mixing to 170s; Add aromatic hydrocarbon oil; Mixing to 200s, press bolt 40s, discharge promptly gets rubber unvulcanizate;
(2) whole sweetening process: 60 ℃ of mill preliminary roller rotating speed 24rpm, back roller rotating speed 18rpm, roller temperature are set, adding rubber unvulcanizate, sulphur, Natural manganese dioxide, promotor, scorch retarder, the triangle bag is played 6 times by Botong 6 times, and binder removal promptly gets low-cost tyre airtight layer sizing material.
The contriver contrasts the performance of sizing material of the present invention and common sizing material, and is specific as follows:
One, the preparation of sizing material
Prescription by table 1 adopts following method to prepare sizing material:
Calendering process: it is 80rpm that the Banbury mixer rotating speed is set; Adding natural gum, brominated butyl rubber, modification chlorosulphonation SE (sizing material of the present invention adds), Triple Pressed Stearic Acid, zinc oxide, tenderizer add carbon black after mixing 40 seconds; Mixingly after 170 seconds, add aromatic hydrocarbon oil; Mixingly after 200 seconds, press bolt, mixing then after 240 seconds discharge obtain rubber unvulcanizate;
Whole sweetening process: mill preliminary roller rotating speed 24rpm is set, back roller rotating speed 18rpm, the roller temperature is 60 ℃, adds rubber unvulcanizate, sulphur, Natural manganese dioxide, promotor, scorch retarder, the triangle bag is played 6 times, binder removal by Botong 6 times.
Table 1 sizing compound formula (weight part)
| Group | Regular convention formula | The present invention's prescription |
| Tree elastomer | 30 | 30 |
| Brominated butyl rubber | 70 | 60 |
| Modification chlorosulphonation SE | - | 10 |
| Carbon black | 60 | 60 |
| Zinc oxide | 4 | 4 |
| Triple Pressed Stearic Acid | 1 | 1 |
| Tenderizer | 10 | 10 |
| Aromatic hydrocarbon oil | 5 | 5 |
| Sulphur | 0.5 | 0.5 |
| Promotor | 1.5 | 1.5 |
| Natural manganese dioxide | 0.5 | 0.5 |
| Scorch retarder | 0.15 | 0.15 |
Two, properties of rubber
Of the present invention sizing material and the contrast of common sizing material of vulcanized rubber before aging can be found out from table 2,100% stretches surely, 300% stretches surely etc. and all to increase, and increase rate is little; Tensile strength and elongation etc. slightly descend; Shao A hardness slightly improves, and tear strength slightly reduces, and the flexural fatigue performance has all reached no breach 300,000 times.
Vulcanized rubber is after 120 ℃ * 24h is aging; The contrast of prescription of the present invention and regular convention formula can find out, 100% stretches surely, 300% stretches surely etc. and all to increase all slightly reductions of tensile strength and elongation; Shao A hardness also increases, and the flexural fatigue performance has all reached no breach 300,000 times.
The physicals contrast of table 2 cross-linked rubber
Can find out that from the contrast of table 3 PQ the PQ of sizing material of the present invention PQ than regular convention formula slightly is high, but sees from data, should be little to the penetrating quality influence of sizing material.
The contrast of table 3 PQ
| ? | Common sizing material | Sizing material of the present invention |
| PQ | 1.997E-13 | 2.158E-13 |
Can find out from the analysis of above table 2, table 3, partly replace brominated butyl rubber with modification chlorosulphonation SE after, the material performance of sizing material and PQ change little, and be little to the use properties influence of sizing material.
Compared with prior art; The present invention uses the lower modification chlorosulphonation SE of price to come part to substitute the higher brominated butyl rubber of price, has reduced the cost of tyre airtight layer sizing material, and such over-all properties that substitutes sizing material does not have influence; Can guarantee the normal use of sizing material; In addition, air retaining wall sizing material of the present invention adopts prior preparation method, need not change equipment and flow process.
Embodiment
Embodiment 1: tree elastomer 30kg, brominated butyl rubber 60kg, modification chlorosulphonation SE (production of the Huangyan East Sea, Taizhou chemical industry ltd) 10kg, carbon black 60kg, zinc oxide 4kg, Triple Pressed Stearic Acid 1kg, Natural manganese dioxide 0.5kg, tenderizer 10kg, aromatic hydrocarbon oil 5kg, sulphur 0.5kg, promotor 1.5kg, scorch retarder 0.15kg; Brominated butyl rubber is 70kg in the existing conventional formulation, has replaced 14.3% brominated butyl rubber with modification chlorosulphonation SE.The preparation method is following:
(1) calendering process: it is 80rpm that the Banbury mixer rotating speed is set; Add tree elastomer, brominated butyl rubber, modification chlorosulphonation SE, Triple Pressed Stearic Acid, zinc oxide, tenderizer, add carbon black behind the mixing 40s, mixing to 170s; Add aromatic hydrocarbon oil; Mixing to 200s, press bolt 40s, discharge promptly gets rubber unvulcanizate;
(2) whole sweetening process: 60 ℃ of mill preliminary roller rotating speed 24rpm, back roller rotating speed 18rpm, roller temperature are set, adding rubber unvulcanizate, sulphur, Natural manganese dioxide, promotor, scorch retarder, the triangle bag is played 6 times by Botong 6 times, and binder removal promptly gets low-cost tyre airtight layer sizing material.
Embodiment 2: tree elastomer 20kg, brominated butyl rubber 80kg, modification chlorosulphonation SE 12kg, carbon black 50kg, zinc oxide 6kg, Triple Pressed Stearic Acid 3kg, Natural manganese dioxide 0.1kg, tenderizer 6kg, aromatic hydrocarbon oil 8kg, sulphur 0.2kg, promotor 0.5kg, scorch retarder 0.2kg; Brominated butyl rubber is 92kg in the existing conventional formulation, has replaced 13% brominated butyl rubber with modification chlorosulphonation SE.Adopt following method preparation:
(1) calendering process: it is 70rpm that the Banbury mixer rotating speed is set; Add tree elastomer, brominated butyl rubber, modification chlorosulphonation SE, Triple Pressed Stearic Acid, zinc oxide, tenderizer, add carbon black behind the mixing 30s, mixing to 180s; Add aromatic hydrocarbon oil; Mixing to 210s, press bolt 30s, discharge promptly gets rubber unvulcanizate;
(2) whole sweetening process: 50 ℃ of mill preliminary roller rotating speed 22rpm, back roller rotating speed 20rpm, roller temperature are set, adding rubber unvulcanizate, sulphur, Natural manganese dioxide, promotor, scorch retarder, the triangle bag is played 6 times by Botong 6 times, and binder removal promptly gets low-cost tyre airtight layer sizing material.
Embodiment 3: tree elastomer 40kg, brominated butyl rubber 70kg, modification chlorosulphonation SE 10.5kg, carbon black 70kg, zinc oxide 2kg, Triple Pressed Stearic Acid 1kg, Natural manganese dioxide 0.8kg, tenderizer 15kg, aromatic hydrocarbon oil 2kg, sulphur 0.8kg, promotor 2kg, scorch retarder 0.1kg; Brominated butyl rubber is 80.5kg in the existing conventional formulation, has replaced 15% brominated butyl rubber with modification chlorosulphonation SE.Adopt following method preparation:
(1) calendering process: it is 90rpm that the Banbury mixer rotating speed is set; Add tree elastomer, brominated butyl rubber, modification chlorosulphonation SE, Triple Pressed Stearic Acid, zinc oxide, tenderizer, add carbon black behind the mixing 50s, mixing to 160s; Add aromatic hydrocarbon oil; Mixing to 190s, press bolt 50s, discharge promptly gets rubber unvulcanizate;
(2) whole sweetening process: 70 ℃ of mill preliminary roller rotating speed 26rpm, back roller rotating speed 16rpm, roller temperature are set, adding rubber unvulcanizate, sulphur, Natural manganese dioxide, promotor, scorch retarder, the triangle bag is played 6 times by Botong 6 times, and binder removal promptly gets low-cost tyre airtight layer sizing material.
Claims (8)
1. a low-cost tyre airtight layer sizing material is to be prepared from tree elastomer, brominated butyl rubber and auxiliary agent, it is characterized in that: the brominated butyl rubber that replaces 7-16.7% (quality) with modification chlorosulphonation SE.
2. according to the said low-cost tyre airtight layer sizing material of claim 1, it is characterized in that: the brominated butyl rubber that replaces 9.5-16.2% (quality) with modification chlorosulphonation SE.
3. according to the said low-cost tyre airtight layer sizing material of claim 2, it is characterized in that: the brominated butyl rubber that replaces 14.3% (quality) with modification chlorosulphonation SE.
4. according to the said low-cost tyre airtight layer sizing material of claim 1; It is characterized in that: calculate according to mass parts, it is to be prepared from tree elastomer 20-40 part, brominated butyl rubber 60-80 part, modification chlorosulphonation SE 6-12 part, carbon black 50-70 part, zinc oxide 2-6 part, Triple Pressed Stearic Acid 1-3 part, Natural manganese dioxide 0.1-0.8 part, tenderizer 6-15 part, aromatic hydrocarbon oil 2-8 part, sulphur 0.2-0.8 part, promotor 0.5-2 part and scorch retarder 0.1-0.2 part.
5. according to the said low-cost tyre airtight layer sizing material of claim 4, it is characterized in that: the mass parts of said modification chlorosulphonation SE is 8.4-11.6.
6. according to the said low-cost tyre airtight layer sizing material of claim 5, it is characterized in that: it is to be prepared from for 0.15 part 30 parts of tree elastomers, 60 parts of brominated butyl rubbers, 10 parts of modification chlorosulphonation SE, 60 parts of carbon blacks, 4 parts in zinc oxide, 1 part of Triple Pressed Stearic Acid, 0.5 part in Natural manganese dioxide, 10 parts of tenderizers, 5 parts of aromatic hydrocarbon oil, 0.5 part in sulphur, 1.5 parts of promotor and scorch retarder.
7. the preparation method of the arbitrary said low-cost tyre airtight layer sizing material of claim 1 to 6 is characterized in that comprising the steps:
(1) calendering process: it is 70-90rpm that the Banbury mixer rotating speed is set; Add tree elastomer, brominated butyl rubber, modification chlorosulphonation SE, Triple Pressed Stearic Acid, zinc oxide, tenderizer, add carbon black behind the mixing 30-50s, mixing to 160-180s; Add aromatic hydrocarbon oil; Mixing to 190-210s, press bolt 30-50s, discharge promptly gets rubber unvulcanizate;
(2) whole sweetening process: 50-70 ℃ of mill preliminary roller rotating speed 22-26rpm, back roller rotating speed 16-20rpm, roller temperature is set; Add rubber unvulcanizate, sulphur, Natural manganese dioxide, promotor, scorch retarder; The triangle bag is played 6 times by Botong 6 times, and binder removal promptly gets low-cost tyre airtight layer sizing material.
8. according to the preparation method of the said low-cost tyre airtight layer sizing material of claim 7, it is characterized in that:
(1) calendering process: it is 80rpm that the Banbury mixer rotating speed is set; Add tree elastomer, brominated butyl rubber, modification chlorosulphonation SE, Triple Pressed Stearic Acid, zinc oxide, tenderizer, add carbon black behind the mixing 40s, mixing to 170s; Add aromatic hydrocarbon oil; Mixing to 200s, press bolt 40s, discharge promptly gets rubber unvulcanizate;
(2) whole sweetening process: 60 ℃ of mill preliminary roller rotating speed 24rpm, back roller rotating speed 18rpm, roller temperature are set, adding rubber unvulcanizate, sulphur, Natural manganese dioxide, promotor, scorch retarder, the triangle bag is played 6 times by Botong 6 times, and binder removal promptly gets low-cost tyre airtight layer sizing material.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382275A (en) * | 2013-07-01 | 2013-11-06 | 双钱集团（如皋）轮胎有限公司 | High viscosity rubber composite of tire airtight layer |
| CN103554554A (en) * | 2013-10-18 | 2014-02-05 | 山东省三利轮胎制造有限公司 | New formula and manufacture method of rubber for manufacturing tire inner liner |
| CN104961927A (en) * | 2015-06-26 | 2015-10-07 | 安徽顺驰电缆有限公司 | Seal ring rubber material |
| CN105037864A (en) * | 2015-07-27 | 2015-11-11 | 江苏欣润塑胶有限公司 | Rubber composition of high-strength low-creep tire |
| CN106543575A (en) * | 2016-11-25 | 2017-03-29 | 青岛双星轮胎工业有限公司 | Heavy load radial tire inner liner rubber composition |
| CN109679238A (en) * | 2018-12-11 | 2019-04-26 | 贵州轮胎股份有限公司 | A kind of cross-ply inner liner sizing material |
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2012
- 2012-02-14 CN CN2012100320481A patent/CN102585307A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382275A (en) * | 2013-07-01 | 2013-11-06 | 双钱集团（如皋）轮胎有限公司 | High viscosity rubber composite of tire airtight layer |
| CN103382275B (en) * | 2013-07-01 | 2016-01-13 | 双钱集团（如皋）轮胎有限公司 | A kind of full-bodied tire air-tight layer rubber material composition |
| CN103554554A (en) * | 2013-10-18 | 2014-02-05 | 山东省三利轮胎制造有限公司 | New formula and manufacture method of rubber for manufacturing tire inner liner |
| CN103554554B (en) * | 2013-10-18 | 2016-01-20 | 山东省三利轮胎制造有限公司 | Sizing material of a kind of tyre airtight layer and preparation method thereof |
| CN104961927A (en) * | 2015-06-26 | 2015-10-07 | 安徽顺驰电缆有限公司 | Seal ring rubber material |
| CN105037864A (en) * | 2015-07-27 | 2015-11-11 | 江苏欣润塑胶有限公司 | Rubber composition of high-strength low-creep tire |
| CN106543575A (en) * | 2016-11-25 | 2017-03-29 | 青岛双星轮胎工业有限公司 | Heavy load radial tire inner liner rubber composition |
| CN106543575B (en) * | 2016-11-25 | 2019-01-22 | 青岛双星轮胎工业有限公司 | Heavy load radial tire inner liner rubber composition |
| CN109679238A (en) * | 2018-12-11 | 2019-04-26 | 贵州轮胎股份有限公司 | A kind of cross-ply inner liner sizing material |
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Application publication date: 20120718 |