CN104109267A - Steel wire function rubber, all-steel matrix formula and rubber mixing method of all-steel matrix formula - Google Patents
Steel wire function rubber, all-steel matrix formula and rubber mixing method of all-steel matrix formula Download PDFInfo
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- CN104109267A CN104109267A CN201410374957.2A CN201410374957A CN104109267A CN 104109267 A CN104109267 A CN 104109267A CN 201410374957 A CN201410374957 A CN 201410374957A CN 104109267 A CN104109267 A CN 104109267A
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Abstract
The invention discloses a steel wire function rubber, an all-steel matrix formula and a rubber mixing method of the all-steel matrix formula. The all-steel matrix formula comprises the following components in parts by weight: 100 parts of natural rubber, 0.1-0.3 part of a peptizer B, 30-60 parts of N326, 5-15 parts of white carbon black, 5-10 parts of zinc oxide, 0.5-1.5 parts of a stearic acid, 1-3 parts of an anti-aging agent, 0.5-2 parts of an accelerant DZ, 0.1-0.5 part of cobalt decanoate, 1-5 parts of resorcinol-80, 3-15 parts of steel wire function rubber and 4-5 parts of sulfur OT20. The high-performance all-steel tire matrix formula is developed by using metal bonding rubber; verified by experiments for a plurality of times, the high-performance all-steel tire matrix formula is excellent in performance and plays a great role in greatly prolonging the service life of the tire, the adhesive force of the rubber in the tire and a framework material and the operational stability can be improved, the tire is prevented from delaminating, the service life of the tire is prolonged, and the safety is improved.
Description
Technical field
The all steel matrix formula and the rubber compounding method thereof that the present invention relates to a kind of steel wire functional rubber, high adhesion, belong to tire manufacturing technology field.
Background technology
Along with automobile industry and the especially fast development of motorway of transportation, the performance of automobile is greatly improved, and the performance of tire has also been had to higher requirement.The research and development of the high-end tire of China and production and Foreign Advanced Lerel still have larger gap, and it is comparatively serious that tyre rim splits, takes on the quality problems such as sky, poor durability.Trace it to its cause, except moulding and design reasons, and bonding between steel wire and rubber and agingly have much relations.Tire is to take a kind of special flexible compound body that cord (polyester, nylon, steel wire etc.) is matrix as wild phase, rubber, and carcass is the major parts of tire, plays a part to bear inner pressure of tire, the vibration of buffering road shocks.Therefore, rubber and framework material bond strength are one of its most important performances, and in raising tire, bounding force and the stability in use of rubber and framework material are to prevent the quality problems such as tire delamination, improve the key of its life-span and security.
Summary of the invention
Technical problem to be solved by this invention is: a kind of steel wire functional rubber is provided, and utilize steel wire functional rubber high adhesion all steel matrix formula, a kind of steel wire functional rubber and high adhesion all steel carcass rubber compounding method are also provided simultaneously.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A steel wire functional rubber, comprises the material of following parts by weight: 5-15 part synthetic aluminium silicate, 5-15 part SB-boric acid ester interface activating agent, rubber modified dose of 40-60 part, 10-30 part liquid isoprene.A method of preparing described steel wire functional rubber, is characterized in that, comprise the steps: (1) by synthetic aluminium silicate and rubber modified dose in 100-120 ℃ of oven dry, mixing; (2) mixed powder in SB-boric acid ester interface activating agent and step (1) is put into bacterium activation reaction kettles and activate coupling, (3) add liquid isoprene in above-mentioned active powder material, mix, make material and packing; The bake out temperature of step (1) is 100-120 ℃, and the time is 1 hour, and mixing time is 10 minutes; The activation coupling process of step (2) is 1-10 minute, and activation temperature is 60-140 ℃.The present invention also provides a kind of all steel matrix formula of high adhesion, comprises the component of following parts by weight: natural rubber, 100 parts; Peptizer B, 0.1-0.3 part; N326,30-60 part; White carbon black, 5-15 part; Zinc oxide, 5-10 part; Stearic acid, 0.5-1.5 part; Anti-aging agent, 1-3 part; Accelerator DZ, 0.5-2 part; Capric acid cobalt, 0.1-0.5 part; Resorcinol-80,1-5 part; Steel wire functional rubber, 3-15 part; Sulfur OT20,4-5 part.
Preferably, all steel matrix formula of above-mentioned high adhesion comprises the component of following parts by weight:
Natural rubber, 100 parts; Peptizer B, 0.2 part; N326,50 parts; White carbon black, 10 parts; Zinc oxide, 8.0 parts; Stearic acid, 1.0 parts; Anti-aging agent, 2 parts; Accelerator DZ, 1.35 parts; Capric acid cobalt, 0.2 part; Resorcinol-80,2 parts; Sulfur, 1-2 part; Steel wire functional rubber, 5-10 part; Sulfur OT20,4.45 parts.
Wherein proprietary material steel wire functional rubber used becomes to be grouped into: the compound technology of molecule organic materials and polyfunctional group novel material original position in employing, a kind of multifunctional novel material of reaction generation, in product, contain more active function groups as-OH ,-NH
3deng.Character: grey bulk or crumb rubber, nontoxic, harmless, free from environmental pollution.
| Project name | Index | Actual detected result |
| Solid effective constituent (800 ℃-2h) | ≥40% | 52.5 |
| 105 ℃ of fugitive constituents (constant weight) | ≤2.0% | 1.1 |
| 100 ℃ of crude rubber Mooney viscosity ML1+4 | ≤30 | 5.29(maximum 16.99) |
Meanwhile, the present invention also provides the preparation method of all steel matrix formula rubber unvulcanizate of high adhesion described above
,comprise the following steps:
Calendering process divides three sections, first according to the capacity 1L of Banbury mixer and suitable stacking factor, calculates each section of refining glue amount and each raw material quality, and according to calculation result, accurately weigh various raw-material consumptions in formula, and put well in order,
First paragraph rotating speed is 90r/min, and material temperature is controlled logical water coolant while being 130 ℃, and calendering process is as follows:
Rubber, bonding metal glue → pressure bolt → (60s) rise bolt → 2/3 carbon black, white carbon black → pressure bolt (60s) rises bolt → 1/3 carbon black, white carbon black → pressure bolt (60s), liter bolt (sweeping car) → zinc oxide, anti-aging agent (60s) rise bolt (sweeping car) → pressure bolt (30s) → binder removal (150 ℃ of dump temperatures), and one section of master batch is parked 24 hours;
Second segment rotating speed is 80r/min, and material temperature is controlled logical water coolant while being 120 ℃, and second segment calendering process is:
One section of master batch → pressure bolt (60s) → rise bolt → Resorcinol, cobalt salt → pressure bolt (60s) → rise bolt (sweeping car) → pressure bolt (30s) → rise bolt → binder removal (140 ℃ of dump temperatures), two sections of master batchs are parked more than 4 hours, the 3rd section of rotating speed is 60r/min, material temperature is controlled logical water coolant while being 100 ℃, and refining rubber unvulcanizate technique is eventually:
Two sections of master batch → pressure bolts (60s) → Sulfur OT20, accelerator DZ, vulkacit H MT (60s) → rise bolt → sweep car → pressure bolt (30s) → binder removal (100 ~ 105 ℃ of dump temperatures), the thin-pass of finished composition and lower blade technolgy are: adjust mill roll spacing 1mm, rubber unvulcanizate is crossed roller 3 times in mill, left and right 3/4 cutter each 3 times, play 6 of triangle bags, adjusting mill roll spacing is sheet under 4mm, and finished composition is placed after 24 hours and carried out physical property measurement again.
The reason that formula of the present invention can significantly improve bounding force is: in formula materials, contain liquid polymer, its molecular weight is in 3 ~ 60,000 left and right, and viscosity of material is low, can fully infiltrate and adsorb with bone material, and material that can response type can be participated in crosslinking reaction directly; Contained-OH ,-NH2 ,-COOH isopolarity functional group, easily and the framework material Chemical bond such as metal; Particularly function bimodal material can be in tire constantly moves, and the heat that utilizes deformations of tyre hysteresis loss to produce, continues to carry out part conglutination reaction, can keep or effectively reduce the decline of bounding force; Interface affinitive material and activated material are conducive to improve homogeneous phase and the combination between rubber and framework material and rubber and filler etc., and the raising of bounding force is produced to positive-effect.
The extraction power that improves the especially aging front and back of bounding force of steel wire and rubber is one of important method addressing the above problem.
The invention has the beneficial effects as follows:
(1) easy to use, original formulation remains unchanged, and directly adds 5-10 part steel wire functional rubber;
(2) its mechanical properties remains unchanged, and vulcanization rate is slightly accelerated;
(3) initial steel wire extraction power improves more than 20%, and aging rear raising is more than 10%.By production and the application of steel wire functional rubber, the reasonable interpolation in tire steel silk gum is used, and especially the use of the tire of different varieties and the different sites of tire, can play a significant role, and is very important research direction.The qualification rate raising of tire and the lifting of product quality are had to very important effect.The market outlook of these series product are very wide.
The present invention utilizes steel wire functional rubber (metlbond rubber) to develop high-performance all steel carcass formula, and through many experiments checking, excellent performance, has great role to significantly improving Using Life of Tyre.Bounding force and the stability in use that can improve rubber and framework material in tire, prevent tire delamination, improves tyre life and security.
The research and development of the high-end tire of China and production and Foreign Advanced Lerel still have larger gap, and it is comparatively serious that tyre rim splits, takes on the quality problems such as sky, poor durability.Trace it to its cause, except moulding and design reasons, and bonding between steel wire and rubber and agingly have much relations.The extraction power that improves the especially aging front and back of bounding force of steel wire and rubber is one of important method addressing the above problem.Formula of the present invention can significantly improve bonding extraction power, especially ageing-resistant performance, comprise thermal ageing, deflect aging, salt solution is aging; The substantially constant or partial properties of other property retention improves.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the formula figure of the embodiment of the present invention 1.
Fig. 2 is the formula figure of the embodiment of the present invention 2.
Fig. 3 is that the embodiment of the present invention 2 E-0 formulas are extracted steel wire result figure out.
Fig. 4 is that the embodiment of the present invention 2 E-2 formulas are extracted steel wire result figure out.
Fig. 5 is that the embodiment of the present invention 2 E-4 formulas are extracted steel wire result figure out.
Fig. 6 is the formula figure of the embodiment of the present invention 3.
Fig. 7 is the embodiment of the present invention 3 aging resistance result figure.
Embodiment
embodiment 1fundamental Physical Properties and bounding force
With 5 parts of equivalent steel wire functional rubbers, replace natural rubber SMR-20, other is constant, and concrete formula is shown in Fig. 1.
Physicals
Laboratory standard temperature condition, rheological characteristics utilization is without rotor vulkameter, 150 ℃ of vulkameter temperature, process of the test is carried out according to GB/T16584-1996.By strength and extension property test, according to GB/T528-1998 and GB/T529-1999 requirement, utilize electronic tension tester to carry out; Utilize Shao Er A type hardness tester meter, by GB/T531-1999, measure vulcanized rubber hardness etc.
Result:
Dynamic and static bond properties
Utilize electronic tensile machine, according to GB/T 16586-1996, measure, result is as follows:
The result of filling a prescription:
embodiment 2
10 parts directly add and 10 parts add and add in right amount Sulfur to keep concentration, other is constant, concrete formula is shown in Fig. 2.
Physicals
Laboratory standard temperature condition, rheological characteristics utilization is without rotor vulkameter, 150 ℃ of vulkameter temperature, process of the test is carried out according to GB/T16584-1996.By strength and extension property test, according to GB/T528-1998 and GB/T529-1999 requirement, utilize electronic tension tester to carry out; Utilize Shao Er A type hardness tester meter, by GB/T531-1999, measure vulcanized rubber hardness etc.
Result:
Dynamic and static bond properties
Utilize electronic tensile machine, according to GB/T 16586-1996, measure, result is as follows:
Extract the observation of steel wire out
See accompanying drawing 3-5, the attached glue of extracting out on steel wire cord is found: rubber absorption capacity is larger, and bounding force is just larger; In addition, attached glue presents shape of threads along extracting direction out perpendicular to cord, and shape of threads is more obvious, and pitch is shorter, more even, and bounding force is just larger.The probability that application E-3020 adhesion failure occurs in rubber matrix obviously increases.
embodiment 3 aging resistance experiments
This experiment completes test by Qingdao University of Science and Technology's rubber test chamber (Ruan Kong rubber research institute).Formula is shown in Fig. 6.
As seen from Figure 7, the heat aging performance after 7.5 parts of metal-rubber E-3020 of application improves more than 12% than the bounding force not adding; And deflect performance, improve more than 15%.Therefore, the comprehensive aging resistance of applied metal rubber has obvious advantage than blank.
Claims (5)
1. a steel wire functional rubber, is characterized in that, comprises the material of following parts by weight: 5-15 part synthetic aluminium silicate, 5-15 part SB-boric acid ester interface activating agent, rubber modified dose of 40-60 part, 10-30 part liquid isoprene.
2. a method of preparing steel wire functional rubber claimed in claim 1, is characterized in that, comprise the steps: (1) by synthetic aluminium silicate and rubber modified dose 100-120 ℃ of oven dry, mix; (2) mixed powder in SB-boric acid ester interface activating agent and step (1) is put into bacterium activation reaction kettles and activate coupling, (3) add liquid isoprene in above-mentioned active powder material, mix, make material and packing; 3. the method for preparing steel wire functional rubber according to claim 1, is characterized in that, the bake out temperature of step (1) is 100-120 ℃, and the time is 1 hour, and mixing time is 10 minutes; The activation coupling process of step (2) is 1-10 minute, and activation temperature is 60-140 ℃.
3. an all steel matrix formula for high adhesion, is characterized in that, comprises the component of following parts by weight:
Natural rubber, 100 parts; Peptizer B, 0.1-0.3 part; Carbon black N326,30-60 part; White carbon black, 5-15 part; Zinc oxide, 5-10 part; Stearic acid, 0.5-1.5 part; Anti-aging agent, 1-3 part; Accelerator DZ, 0.5-2 part; Capric acid cobalt, 0.1-0.5 part; Resorcinol-80,1-5 part; Steel wire functional rubber, 3-15 part; Sulfur OT20,4-5 part.
4. all steel matrix formula of high adhesion according to claim 4, is characterized in that, comprises the component of following parts by weight:
Natural rubber, 100 parts; Peptizer B, 0.2 part; N326,50 parts; White carbon black, 10 parts; Zinc oxide, 8.0 parts; Stearic acid, 1.0 parts; Anti-aging agent, 2 parts; Accelerator DZ, 1.35 parts; Capric acid cobalt, 0.2 part; Resorcinol-80,2 parts; Sulfur, 1-2 part; Steel wire functional rubber, 10 parts; Sulfur OT20,4.45 parts.
5. the preparation method of all steel matrix formula rubber unvulcanizate of high adhesion claimed in claim 4
,it is characterized in that, comprise the following steps:
Calendering process divides three sections, first according to capacity 1L and the stacking factor of Banbury mixer, calculates each section of refining glue amount and each raw material quality, and according to calculation result, accurately weigh various raw-material consumptions in formula, and put well in order,
First paragraph rotating speed is 90r/min, and material temperature is controlled logical water coolant while being 130 ℃, and calendering process is as follows:
Rubber, bonding metal glue → pressure bolt → (60s) rise bolt → 2/3 carbon black, white carbon black → pressure bolt (60s) rises bolt → 1/3 carbon black, white carbon black → pressure bolt (60s), liter bolt (sweeping car) → zinc oxide, anti-aging agent (60s) rise bolt (sweeping car) → pressure bolt (30s) → binder removal (150 ℃ of dump temperatures), and one section of master batch is parked 24 hours;
Second segment rotating speed is 80r/min, and material temperature is controlled logical water coolant while being 120 ℃, and second segment calendering process is:
One section of master batch → pressure bolt (60s) → rise bolt → Resorcinol, cobalt salt → pressure bolt (60s) → rise bolt (sweeping car) → pressure bolt (30s) → rise bolt → binder removal (140 ℃ of dump temperatures), two sections of master batchs are parked more than 4 hours, the 3rd section of rotating speed is 60r/min, material temperature is controlled logical water coolant while being 100 ℃, and refining rubber unvulcanizate technique is eventually:
Two sections of master batch → pressure bolts (60s) → Sulfur OT20, accelerator DZ, vulkacit H MT (60s) → rise bolt → sweep car → pressure bolt (30s) → binder removal (100 ~ 105 ℃ of dump temperatures), the thin-pass of finished composition and lower blade technolgy are: adjust mill roll spacing 1mm, rubber unvulcanizate is crossed roller 3 times in mill, left and right 3/4 cutter each 3 times, play 6 of triangle bags, adjusting mill roll spacing is sheet under 4mm, and finished composition is placed after 24 hours and carried out physical property measurement again.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177671A (en) * | 2014-08-13 | 2014-12-03 | 青岛四维化工有限公司 | Radial tire steel wire rubber and preparation method thereof |
| CN105968794A (en) * | 2016-06-03 | 2016-09-28 | 山东胜林新材料有限公司 | Formula and technology for environment-friendly material of solid tires |
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| CN102134336A (en) * | 2011-03-16 | 2011-07-27 | 杭州中策橡胶有限公司 | Liquid isoprene rubber containing bead filler composition of tire as well as preparation method and application thereof |
| CN102199314A (en) * | 2011-03-16 | 2011-09-28 | 杭州中策橡胶有限公司 | Tire apex composition for improving bond system and its preparation method and application |
| CN103059340A (en) * | 2012-12-27 | 2013-04-24 | 青岛四维化工有限公司 | A functional master batch for green tires and a preparation method thereof |
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2014
- 2014-08-01 CN CN201410374957.2A patent/CN104109267A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134336A (en) * | 2011-03-16 | 2011-07-27 | 杭州中策橡胶有限公司 | Liquid isoprene rubber containing bead filler composition of tire as well as preparation method and application thereof |
| CN102199314A (en) * | 2011-03-16 | 2011-09-28 | 杭州中策橡胶有限公司 | Tire apex composition for improving bond system and its preparation method and application |
| CN103059340A (en) * | 2012-12-27 | 2013-04-24 | 青岛四维化工有限公司 | A functional master batch for green tires and a preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177671A (en) * | 2014-08-13 | 2014-12-03 | 青岛四维化工有限公司 | Radial tire steel wire rubber and preparation method thereof |
| CN105968794A (en) * | 2016-06-03 | 2016-09-28 | 山东胜林新材料有限公司 | Formula and technology for environment-friendly material of solid tires |
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