CN1206725A - Fine quality tyre rubber material containing rich trans-1,4-polyisoprene - Google Patents
Fine quality tyre rubber material containing rich trans-1,4-polyisoprene Download PDFInfo
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- CN1206725A CN1206725A CN 97115171 CN97115171A CN1206725A CN 1206725 A CN1206725 A CN 1206725A CN 97115171 CN97115171 CN 97115171 CN 97115171 A CN97115171 A CN 97115171A CN 1206725 A CN1206725 A CN 1206725A
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Abstract
The present invention relates to a tyre material containing high trans-1,4-polyisoprene (TPI). Said invention adopts the conventional tyre rubber material preparation process, i. e. said invented product is made up by using TPI and general rubber materials of NR, SBR and BR as raw materials through two-component, three-component or four-component blending and covulconization. This rubber material can be used as tyre face and tyre side material, can overcome the deficiency of existent tyre material in dynamic behavior, raise fatigue resistance, reduce compression thermogenesis and obtain the comprehensive balance of rolling resistance, tractive property and wear resistance, and can raise high-speed running behavior of tyre.
Description
The present invention relates to a kind of high trans-1 that contains, the high-performance tire sizing material of 4-polyisoprene (TPI), system makes with synthetic TPI and natural rubber (NR), cis-1,4-polybutadiene rubber (BR), styrene-butadiene rubber(SBR) blend such as (SBR), covulcanization, belongs to tire material and Rubber processing technical field.
The fast development of Hyundai Motor requires have high performance tire to adapt with it, and high performance tire requires tire material that good dynamic properties is arranged.For the evaluation of tire tread material dynamic property, according to various countries scholar's long-felt and practice, to have established with low-rolling-resistance, high hauling ability and high-wear resistance are the ideal model that pursues one's goal.One of the measure that reduces the rolling resistance most critical of tire just is to use novel polymer material, is that rubber synthesizes, the hot issue in Rubber processing field for tire tread with the selection of polymer materials in the world at present.Yet still do not have a kind of elastomer material to comprise that natural rubber can all satisfy the requirement of various tire treads so far, can only variously have the polymer materials of different characteristics and be used for satisfying service requirements by selecting.
Synthetic TPI claims synthetic gutta-percha or gutta-percha again, at room temperature is easy to crystallization, about 60 ℃ of crystalline melt point.It is a kind of special material between plastics and rubber.Institute of Chemistry, Academia Sinica's gutta-percha group once was sulfided into elastomerics with gutta-percha, and gutta-percha and NR, BR blend have been made preliminary study, and the result has obtained dynamic properties excellent elasticity body.But the gutta-percha natural resource are few, and the extraction process complexity costs an arm and a leg, and are ten times of common natural picture glue approximately, in any case that this price is a tire material is unacceptable.And the TPI of synthetic adopted vanadium and vanadium-titanium mixed system solution polymerization process production in the past, and its cost and price and gutta-percha are suitable, and it also is impossible being used for tire material.In recent years Qingtao Chemical Engineering College adopts load titanium effective catalyst bulk precipitation polymerization method to synthesize TPI (Chinese patent 95110352.0) first, because technology is simple, the efficient height, its cost can be lower than synthesizing cis-1,4-polyisoprene rubber (IR), close prices NR, this has just created condition for synthetic TPI enters the tire material field.Goodyear company applied for once with anti-form-1 that the 4-polyhutadiene was used for the patent (EP 0505904A1 and EP 0538700A1) on tire tread and sidewall, but TPI is used for also never appearing in the newspapers of rubber tyre.
The objective of the invention is to be difficult to satisfy high-performance tire comprehensively equilibrated between rolling resistance, hauling ability and wear hardness is required this shortcoming at the sizing material that present tire is used, adopt traditional diamond-making technique, make the tyre stock of a kind of TPI of containing, overcome the deficiency of existing tyre stock on dynamic property, reach the balance between rolling resistance, hauling ability and wear hardness three big rideabilities, be suitable for making high-performance tire tyre surface and sidewall material.
In order to realize the foregoing invention purpose, basic fundamental design of the present invention and content are, utilize consistencies such as TPI and NR, BR, SBR good, be easy to blend processing, and can be with the character of common sulphur-vulcanization accelerator system covulcanization elastomer-forming, prepare have the tensile modulus height, compression heat generation is low, rolling loss is little, fatigue performance can be used for positions such as tire tread, sidewall well elastomeric material.Its basic way is in traditional tire formulation, replace part NR, BR, SBR etc. with TPI, other Synergist S-421 95s remain unchanged substantially, adopt traditional tyre stock preparation technology, have obtained the type material of rolling loss, driving power, wear hardness overall equilbrium.
Contain high trans-1, the tyre stock of 4-polyisoprene is with high trans-1, this macromolecular material of 4-polyisoprene and natural rubber, styrene-butadiene rubber(SBR), cis-1,4-polybutadiene rubber and other conventional auxiliary material carry out binary, ternary or quaternary blend, covulcanization and make, wherein used high trans-1,4-polyisoprene (TPI) is synthesized by load titanium catalysis isoprene bulk precipitation polymerization method, and the TPI of uncured should have following feature:
Anti-form-1,4 structural contents 〉=97%
ML3+4，100℃ 30-100
Tensile strength 〉=34MPa
Elongation 〉=350%
About 60 ℃ of fusing point
Degree of crystallinity 〉=30% this high trans-1, the fusing point of 4-polyisoprene (TPI) is about 60 ℃, under 70-80 ℃ of common Rubber processing temperature, have good processing characteristics and tubing properties, nearly natural rubber (NR) is tied in its cylinder behavior, and be better than cis-1,4-polybutadiene rubber (BR) and styrene-butadiene rubber(SBR) (SBR), so processing environment is good.
Contain high trans-1, the tyre stock of 4-polyisoprene (TPI) is during as tread mix, and it basic composition is:
(1) in rubber part the weight content of TPI at 5-50%;
(2) all the other are at least a above other conventional rubber such as NR, BR, SBR etc.
(3) add following auxiliary material in existing conventional tire sizing compound formula ratio, as anti-aging agent, stearic acid, zinc oxide, black-reinforced agent, sulphur and vulcanization accelerator etc.
Contain high trans-1, the tyre stock of 4-polyisoprene (TPI) is during as the sidewall sizing material, and it basic composition is:
(1) in rubber part the weight content of TPI at 10-60%;
(2) all the other are one or more other conventional rubber, as NR, BR, SBR etc.
(3) add auxiliary agent and sulphur/vulcanization accelerator system in existing conventional sidewall rubber material formula ratio.
Preparation processing and the moulding process routinely that contains the tyre stock of TPI, mixing employing mill, Banbury mixer all can, suitable order of addition(of ingredients) is TPI → NR → SBR → BR, should fully mix after every adding is a kind of evenly, rubber adds stearic acid, zinc oxide, anti-aging agent, processing aid etc. after all adding and mixing again, adds carbon black and tenderizer then, add sulphur/vulcanization accelerator at last, thin-pass 4-6 is all over following sheet.
The prepared one-tenth of the present invention contain high trans-1, the tyre stock of 4-polyisoprene (TPI) is compared with existing tyre stock, it is good to have the sizing material visual appearance, the mold filling ability is strong, processing safety is good, the high outstanding advantage of green strength and hardness, during especially as tread mix and sidewall sizing material, its wear resistance and tensile strength etc. all have a clear superiority in.
Under tabulate 1 for 7 Example formulations of the present invention, table 2 is 7 tyre stock fundamental propertys that embodiment obtained.Wherein 1 and 3 for not containing the prescription of TPI tread rubber usually, and 2 and 4,5 for containing the contrast with it of TPI tread rubber; 6 for not containing the prescription of TPI sidewall rubber usually, and 7 for containing the sidewall rubber contrast with it of TPI.
The basic recipe of table 1 embodiment tire material
The formed tyre stock of 1-5 sizing compound formula in the table 1 is suitable for doing tread mix, and No. 6 and No. 7 sizing compound formulas are suitable for doing the sidewall sizing material.
The fundamental property of table 2 embodiment
No matter can find out from table 2, contain the sizing material of TPI, be as tread rubber or sidewall rubber, and its stress at definite elongation all is significantly increased, and setafter break has obvious decline.For the NR/SBR system, add the rebound resilience that TPI can also improve sizing material.These just TPI can reduce tire drag, reduce the true cause of power loss (energy-conservation).Deng records general rotary power loss test result and has then further proved this point, contains the sizing material of TPI, and its relative rolling loss and dynamic deformation all show obvious reduction, and dynamically temperature rise has then descended respectively in tread rubber 4 ℃ and 2 ℃ more than.These are the most valuable character of high-performance tire pursuit just.
Table 2 also can be found out, contains the sizing material of TPI, and its flex cracking resistance and 100% tensile fatigue performance all have raising in various degree.For the NR/SBR system, this raising is very obvious.In addition, the prescription that the frictional coefficient of doing wet road surface is contained TPI is also very outstanding, particularly to the NR/BR paralled system, can think that adding TPI is the effective way that improves its dried/wet road-traction.
Conclusion: contain high trans-1 with what TPI replaced partly that natural rubber or other synthetic rubber make, the tyre stock of 4-polyisoprene can obtain the comparatively satisfied overall equilbrium of three big rideabilities such as rolling resistance, hauling ability, wear hardness, is the comparatively ideal sizing material of making high-performance tire.
Claims (3)
1. one kind contains high trans-1, the high-performance tire sizing material of 4-polyisoprene (TPI), it is characterized in that having adopted high trans-1,4-polyisoprene and natural rubber (NR), styrene-butadiene rubber(SBR) (SBR), cis-1,4-polybutadiene rubber (BR) etc. carry out binary, ternary or quaternary blend, covulcanization and make, wherein used high trans-1, the 4-polyisoprene is synthesized by load titanium catalysis isoprene bulk precipitation polymerization method, and the TPI feature of uncured is as follows:
Anti-form-1,4 structural contents 〉=97%
ML3+4，100℃ 30-100
Tensile strength 〉=34MPa
Elongation 〉=350%
About 60 ℃ of fusing point
Degree of crystallinity 〉=30%
2. the high trans-1 that contains according to claim 1, the tire material of 4-polyisoprene (TPI), when it is characterized in that as tread rubber, it basic composition is:
(1) in rubber part the weight content of TPI at 5-50%, all the other be NR and (or) SBR and (or) one or more conventional rubbers such as BR;
(2) the tread mix proportioning adds auxiliary material routinely, and with the processes of identical (seemingly).
3. the high trans-1 that contains according to claim 1, the tire material of 4-polyisoprene (TPI), when it is characterized in that as sidewall rubber, it basic composition is:
(1) in rubber part the weight content of TPI at 10-60%, all the other be NR and (or) BR and (or) SBR etc. is at least a conventional rubber;
(2) sizing material proportioning in sidewall adds auxiliary agent and sulphur/vulcanization accelerator system routinely, and with the processes of identical (seemingly).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97115171 CN1206725A (en) | 1997-07-28 | 1997-07-28 | Fine quality tyre rubber material containing rich trans-1,4-polyisoprene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97115171 CN1206725A (en) | 1997-07-28 | 1997-07-28 | Fine quality tyre rubber material containing rich trans-1,4-polyisoprene |
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| CN1206725A true CN1206725A (en) | 1999-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97115171 Pending CN1206725A (en) | 1997-07-28 | 1997-07-28 | Fine quality tyre rubber material containing rich trans-1,4-polyisoprene |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634084A (en) * | 2012-05-02 | 2012-08-15 | 三角轮胎股份有限公司 | Trans-isoprene-containing rubber composition for pneumatic tire linings |
| CN102634085A (en) * | 2012-05-02 | 2012-08-15 | 三角轮胎股份有限公司 | Rubber composition for sidewall strengthening layer of semi-steel radial run-flat tire |
| CN103205030A (en) * | 2012-01-12 | 2013-07-17 | 东营格瑞橡塑新材料有限公司 | Application of trans-1,4-polydiene composite rubber in rubber products |
| CN104910452A (en) * | 2015-05-20 | 2015-09-16 | 青岛科技大学 | Rubber material with high crack growth resistance, and preparation method thereof |
| CN104927100A (en) * | 2015-03-27 | 2015-09-23 | 青岛科技大学 | Preparation method of polyisoprene resin composite blended material |
| CN105860167A (en) * | 2016-04-20 | 2016-08-17 | 江苏通用科技股份有限公司 | Trans-1,4-polyisoprene vulcanizate and mixing technology thereof |
| CN107488278A (en) * | 2017-07-24 | 2017-12-19 | 浙江凯欧传动带股份有限公司 | A kind of long-life V-belt |
| CN109320789A (en) * | 2018-08-17 | 2019-02-12 | 安徽佳通乘用子午线轮胎有限公司 | A kind of preparation method of the wear-resisting glue of all-steel load-bearing radial tire |
| CN110028705A (en) * | 2019-04-09 | 2019-07-19 | 江苏通用科技股份有限公司 | Hard Mine Area Engineering tire tread glue and preparation method thereof |
| CN110591171A (en) * | 2019-08-29 | 2019-12-20 | 赛轮集团股份有限公司 | Sidewall rubber for all-steel tire and preparation method thereof |
| CN113667195A (en) * | 2021-08-24 | 2021-11-19 | 青岛科技大学 | High-wear-resistance tire tread rubber and preparation method thereof |
| CN114805952A (en) * | 2021-07-23 | 2022-07-29 | 内蒙古第一机械集团股份有限公司 | Rubber composition for solid tires of load wheels, preparation method of rubber composition, solid tires of load wheels and preparation method of solid tires |
-
1997
- 1997-07-28 CN CN 97115171 patent/CN1206725A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205030A (en) * | 2012-01-12 | 2013-07-17 | 东营格瑞橡塑新材料有限公司 | Application of trans-1,4-polydiene composite rubber in rubber products |
| CN103205030B (en) * | 2012-01-12 | 2016-08-03 | 山东华聚高分子材料有限公司 | Anti-form-1, the application in rubber of the 4-polydiene compounded rubber |
| CN102634084A (en) * | 2012-05-02 | 2012-08-15 | 三角轮胎股份有限公司 | Trans-isoprene-containing rubber composition for pneumatic tire linings |
| CN102634085A (en) * | 2012-05-02 | 2012-08-15 | 三角轮胎股份有限公司 | Rubber composition for sidewall strengthening layer of semi-steel radial run-flat tire |
| CN104927100A (en) * | 2015-03-27 | 2015-09-23 | 青岛科技大学 | Preparation method of polyisoprene resin composite blended material |
| CN104927100B (en) * | 2015-03-27 | 2017-12-01 | 青岛科技大学 | A kind of preparation of the compound intermingling material of polyisoprene resin |
| CN104910452A (en) * | 2015-05-20 | 2015-09-16 | 青岛科技大学 | Rubber material with high crack growth resistance, and preparation method thereof |
| CN105860167A (en) * | 2016-04-20 | 2016-08-17 | 江苏通用科技股份有限公司 | Trans-1,4-polyisoprene vulcanizate and mixing technology thereof |
| CN107488278A (en) * | 2017-07-24 | 2017-12-19 | 浙江凯欧传动带股份有限公司 | A kind of long-life V-belt |
| CN107488278B (en) * | 2017-07-24 | 2021-10-15 | 浙江凯欧传动带股份有限公司 | Long-life V belt |
| CN109320789A (en) * | 2018-08-17 | 2019-02-12 | 安徽佳通乘用子午线轮胎有限公司 | A kind of preparation method of the wear-resisting glue of all-steel load-bearing radial tire |
| CN110028705A (en) * | 2019-04-09 | 2019-07-19 | 江苏通用科技股份有限公司 | Hard Mine Area Engineering tire tread glue and preparation method thereof |
| CN110591171A (en) * | 2019-08-29 | 2019-12-20 | 赛轮集团股份有限公司 | Sidewall rubber for all-steel tire and preparation method thereof |
| CN110591171B (en) * | 2019-08-29 | 2022-04-22 | 赛轮集团股份有限公司 | Sidewall rubber for all-steel tire and preparation method thereof |
| CN114805952A (en) * | 2021-07-23 | 2022-07-29 | 内蒙古第一机械集团股份有限公司 | Rubber composition for solid tires of load wheels, preparation method of rubber composition, solid tires of load wheels and preparation method of solid tires |
| CN114805952B (en) * | 2021-07-23 | 2023-11-21 | 内蒙古第一机械集团股份有限公司 | Rubber composition for solid tire of road wheel, preparation method, solid tire of road wheel and preparation method |
| CN113667195A (en) * | 2021-08-24 | 2021-11-19 | 青岛科技大学 | High-wear-resistance tire tread rubber and preparation method thereof |
| CN113667195B (en) * | 2021-08-24 | 2022-08-02 | 青岛科技大学 | High-wear-resistance tire tread rubber and preparation method thereof |
| WO2023024250A1 (en) * | 2021-08-24 | 2023-03-02 | 青岛科技大学 | High wear-resistant tire tread rubber and preparation method therefor |
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