CN106543603A - A kind of high temperature-resistant acid-resistant alkali elastomeric material and preparation method thereof - Google Patents
A kind of high temperature-resistant acid-resistant alkali elastomeric material and preparation method thereof Download PDFInfo
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- CN106543603A CN106543603A CN201510610762.8A CN201510610762A CN106543603A CN 106543603 A CN106543603 A CN 106543603A CN 201510610762 A CN201510610762 A CN 201510610762A CN 106543603 A CN106543603 A CN 106543603A
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Abstract
The invention discloses a kind of high temperature-resistant acid-resistant alkali elastomeric material, belongs to auto parts machinery technical field of rubber material, including the raw material of following parts by weight：70 ~ 90 parts of fluorubber, 30 ~ 50 parts of brominated butyl rubber, 10 ~ 20 parts of polyisobutene, 2 ~ 3 parts of stearic acid, 1 ~ 3 part of vulcanizing agent, 4 ~ 8 parts of silicon rubber, 5 ~ 10 parts of softening agent, 5 ~ 10 parts of reinforcing agent, 2 ~ 3 parts of age resistor；Reinforcing agent is acetylene carbon black or white carbon；Softening agent is silane coupler.The invention also discloses the preparation method of the high temperature-resistant acid-resistant alkali elastomeric material.The high temperature-resistant acid-resistant alkali elastomeric material of the present invention, the formula of its uniqueness make which have high temperature-resistant acid-resistant alkali and low temperature resistant characteristic concurrently, and hardness is moderate, and wearability and fatigue durability can meet the requirements；The preparation method of the rubber, simple and environmentally-friendly, the rubber of preparation can meet use requirement, durable in use, possess good economic benefit and practicality.
Description
Technical field
The invention belongs to auto parts machinery technical field of rubber material, and in particular to a kind of high temperature-resistant acid-resistant alkali elastomeric material and preparation method thereof.
Background technology
Tread-rubber is mainly used in the surface of automobile tire, to be made the vibrations of automobile less, traveling is got up pleasant, its automobile-used elastomeric material that must use some high temperature-resistant acid-resistant alkalescence energy, there are various high temperature-resistant acid-resistant alkali formulas in the prior art, but when actually used, it has been found that while high temperature-resistant acid-resistant alkali, elastomeric material is not low temperature resistant so that the easy temperature influence of performance of tread-rubber.
Further, the cryogenic property of rubber of the adding technology of tread-rubber formula to preparing also has a great impact, this is because, its resistance to low temperature can be affected after some components and blend rubber.
The content of the invention
Goal of the invention：It is an object of the invention to provide a kind of high temperature-resistant acid-resistant alkali elastomeric material so as to superior performance, while having high temperature-resistant acid-resistant alkali and low temperature resistant concurrently, hardness is moderate, and wearability and fatigue durability can meet the requirements；It is a further object of the present invention to provide the preparation method of the elastomeric material.
Technical scheme：For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of high temperature-resistant acid-resistant alkali elastomeric material, including the raw material of following parts by weight：70 ~ 90 parts of fluorubber, 30 ~ 50 parts of brominated butyl rubber, 10 ~ 20 parts of polyisobutene, 2 ~ 3 parts of stearic acid, 1 ~ 3 part of vulcanizing agent, 4 ~ 8 parts of silicon rubber, 5 ~ 10 parts of softening agent, 5 ~ 10 parts of reinforcing agent, 2 ~ 3 parts of age resistor；Described reinforcing agent is acetylene carbon black or white carbon；Described softening agent is silane coupler.
Described raw material also includes the potter's clay or calcium carbonate that parts by weight are 5 ~ 10 parts.
Described age resistor is paraffin.
Described vulcanizing agent is sulphur.
The preparation method of described high temperature-resistant acid-resistant alkali elastomeric material, comprises the following steps：
1）Proportionally fluorubber is plasticated at 55 ~ 60 DEG C；Brominated butyl rubber and polyisobutene are carried out into one section of mixing at 75 ~ 80 DEG C；Fluorubber after plasticating carries out two-stage mixing at 80 ~ 90 DEG C in adding one section of mixture for kneading, and obtains kneading the mixture for finishing；
2）Stearic acid, vulcanizing agent, silicon rubber, softening agent and age resistor are added in the mixture finished to mixing, in 180 DEG C ~ 200 DEG C, during 20min is reacted under 11 ~ 13Mpa of pressure, hot-forming 23 ~ 28min after reinforcing agent is added.
Described plasticated the time for 30 ~ 50 minutes, and one section of described mixing time is 40 ~ 60 minutes, and the time of described two-stage mixing is 30 ~ 40 minutes.
Inventive principle：Before preparation, fluorubber must be plasticated；The reason for without a large amount of softening agents, plasticizer, adds synthetic rubber in being because formula.The blend of fluorubber and brominated butyl rubber adds polyisobutene so as to half effective vulcanizing system, the damping capacity of sizing material can be caused good, coordinate other to fill a prescription so which has resistance to low temperature concurrently.
Beneficial effect：Compared with prior art, high temperature-resistant acid-resistant alkali elastomeric material of the invention, the formula of its uniqueness cause which to have high temperature-resistant acid-resistant alkali and low temperature resistant characteristic concurrently, and hardness is moderate, and wearability and fatigue durability can meet the requirements；The preparation method of the rubber, simple and environmentally-friendly, the rubber of preparation can meet use requirement, durable in use, possess good economic benefit and practicality.
Specific embodiment
With reference to specific embodiment, the present invention is described further.
1 automobile-used elastomeric material a of embodiment
A kind of high temperature-resistant acid-resistant alkali elastomeric material, including the raw material of following parts by weight：70 parts of fluorubber, 30 parts of brominated butyl rubber, 10 parts of polyisobutene, 2 parts of stearic acid, 1 part of vulcanizing agent, 4 parts of silicon rubber, 5 parts of softening agent, 5 parts of reinforcing agent, 2 parts of age resistor；Reinforcing agent is acetylene carbon black；Softening agent is silane coupler.Raw material is also including the calcium carbonate that parts by weight are 5 parts.Age resistor is paraffin.Vulcanizing agent is sulphur.
The preparation method of high temperature-resistant acid-resistant alkali elastomeric material：Comprise the following steps：
1）Proportionally fluorubber is plasticated at 55 DEG C；Brominated butyl rubber and polyisobutene are carried out into one section of mixing at 75 DEG C；Fluorubber after plasticating carries out two-stage mixing at 80 DEG C in adding one section of mixture for kneading, and obtains kneading the mixture for finishing；2）Stearic acid, vulcanizing agent, silicon rubber, softening agent and age resistor are added in the mixture finished to mixing, in 180 DEG C, hot-forming 23min after reinforcing agent is added during 20min is reacted under pressure 11Mpa, high temperature-resistant acid-resistant alkali elastomeric material a is obtained.The preparation method of high temperature-resistant acid-resistant alkali elastomeric material, plasticated the time for 30 minutes, and one section of described mixing time is 40 minutes, and the time of described two-stage mixing is 30 minutes.
2 automobile-used elastomeric material b of embodiment
A kind of high temperature-resistant acid-resistant alkali elastomeric material, including the raw material of following parts by weight：90 parts of fluorubber, 50 parts of brominated butyl rubber, 20 parts of polyisobutene, 3 parts of stearic acid, 3 parts of vulcanizing agent, 8 parts of silicon rubber, 10 parts of softening agent, 10 parts of reinforcing agent, 3 parts of age resistor；Reinforcing agent is white carbon；Softening agent is silane coupler.Raw material is also including the potter's clay that parts by weight are 10 parts.Age resistor is paraffin.Vulcanizing agent is sulphur.
The preparation method of high temperature-resistant acid-resistant alkali elastomeric material：Comprise the following steps：
1）Proportionally fluorubber is plasticated at 60 DEG C；Brominated butyl rubber and polyisobutene are carried out into one section of mixing at 80 DEG C；Fluorubber after plasticating carries out two-stage mixing at 90 DEG C in adding one section of mixture for kneading, and obtains kneading the mixture for finishing；2）Stearic acid, vulcanizing agent, silicon rubber, softening agent and age resistor are added in the mixture finished to mixing, in 200 DEG C, hot-forming 28min after reinforcing agent is added during 20min is reacted under pressure 13Mpa, high temperature-resistant acid-resistant alkali elastomeric material b is obtained.The preparation method of high temperature-resistant acid-resistant alkali elastomeric material, described plasticated the time for 50 minutes, and one section of described mixing time is 60 minutes, and the time of described two-stage mixing is 40 minutes.
3 automobile-used elastomeric material c of embodiment
A kind of high temperature-resistant acid-resistant alkali elastomeric material, including the raw material of following parts by weight：80 parts of fluorubber, 40 parts of brominated butyl rubber, 15 parts of polyisobutene, 2.5 parts of stearic acid, 2 parts of vulcanizing agent, 6 parts of silicon rubber, 8 parts of softening agent, 8 parts of reinforcing agent, 2.5 parts of age resistor；Reinforcing agent is white carbon；Softening agent is silane coupler.Raw material is also including the calcium carbonate that parts by weight are 8 parts.Age resistor is paraffin.Vulcanizing agent is sulphur.
The preparation method of high temperature-resistant acid-resistant alkali elastomeric material：Comprise the following steps：
1）Proportionally fluorubber is plasticated at 58 DEG C；Brominated butyl rubber and polyisobutene are carried out into one section of mixing at 78 DEG C；In the mixture of the fluorubber one section of mixing of addition after plasticating, 85 DEG C carry out two-stage mixing, obtain kneading the mixture for finishing；2）Stearic acid, vulcanizing agent, silicon rubber, softening agent and age resistor are added in the mixture finished to mixing, in 190 DEG C, hot-forming 25min after reinforcing agent is added during 20min is reacted under pressure 12Mpa, high temperature-resistant acid-resistant alkali elastomeric material c is obtained.The preparation method of high temperature-resistant acid-resistant alkali elastomeric material, described plasticated the time for 40 minutes, and one section of described mixing time is 50 minutes, and the time of described two-stage mixing is 35 minutes.
4 performance test of embodiment
The automobile-used elastomeric material a prepared in embodiment 1 ~ 3, automobile-used elastomeric material b and automobile-used elastomeric material c are carried out into high temperature resistant and acid and alkali-resistance test at normal temperatures, the life twice of these elastomeric materials is found.
Claims (6)
1. a kind of high temperature-resistant acid-resistant alkali elastomeric material, it is characterised in that：Including the raw material of following parts by weight：70 ~ 90 parts of fluorubber, 30 ~ 50 parts of brominated butyl rubber, 10 ~ 20 parts of polyisobutene, 2 ~ 3 parts of stearic acid, 1 ~ 3 part of vulcanizing agent, 4 ~ 8 parts of silicon rubber, 5 ~ 10 parts of softening agent, 5 ~ 10 parts of reinforcing agent, 2 ~ 3 parts of age resistor；Described reinforcing agent is acetylene carbon black or white carbon；Described softening agent is silane coupler.
2. high temperature-resistant acid-resistant alkali elastomeric material according to claim 1, it is characterised in that：Described raw material also includes the potter's clay or calcium carbonate that parts by weight are 5 ~ 10 parts.
3. high temperature-resistant acid-resistant alkali elastomeric material according to claim 1, it is characterised in that：Described age resistor is paraffin.
4. high temperature-resistant acid-resistant alkali elastomeric material according to claim 1, it is characterised in that：Described vulcanizing agent is sulphur.
5. the preparation method of the high temperature-resistant acid-resistant alkali elastomeric material in claim 1 ~ 4 described in any one, it is characterised in that：Comprise the following steps：
1）Proportionally fluorubber is plasticated at 55 ~ 60 DEG C；Brominated butyl rubber and polyisobutene are carried out into one section of mixing at 75 ~ 80 DEG C；Fluorubber after plasticating carries out two-stage mixing at 80 ~ 90 DEG C in adding one section of mixture for kneading, and obtains kneading the mixture for finishing；
2）Stearic acid, vulcanizing agent, silicon rubber, softening agent and age resistor are added in the mixture finished to mixing, in 180 DEG C ~ 200 DEG C, during 20min is reacted under 11 ~ 13Mpa of pressure, hot-forming 23 ~ 28min after reinforcing agent is added.
6. the preparation method of high temperature-resistant acid-resistant alkali elastomeric material according to claim 5, it is characterised in that：Described plasticated the time for 30 ~ 50 minutes, and one section of described mixing time is 40 ~ 60 minutes, and the time of described two-stage mixing is 30 ~ 40 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510610762.8A CN106543603A (en) | 2015-09-23 | 2015-09-23 | A kind of high temperature-resistant acid-resistant alkali elastomeric material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510610762.8A CN106543603A (en) | 2015-09-23 | 2015-09-23 | A kind of high temperature-resistant acid-resistant alkali elastomeric material and preparation method thereof |
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| CN106543603A true CN106543603A (en) | 2017-03-29 |
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| CN201510610762.8A Pending CN106543603A (en) | 2015-09-23 | 2015-09-23 | A kind of high temperature-resistant acid-resistant alkali elastomeric material and preparation method thereof |
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