CN106977784A - Grapheme material timing belt is rubber mixed and preparation method thereof - Google Patents
Grapheme material timing belt is rubber mixed and preparation method thereof Download PDFInfo
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- CN106977784A CN106977784A CN201710119717.1A CN201710119717A CN106977784A CN 106977784 A CN106977784 A CN 106977784A CN 201710119717 A CN201710119717 A CN 201710119717A CN 106977784 A CN106977784 A CN 106977784A
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- rubber
- timing belt
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- grapheme material
- butadiene rubber
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
- B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
- C08L15/005—Hydrogenated nitrile rubber
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention disclose that a kind of grapheme material timing belt is rubber mixed and preparation method thereof, and the elastomeric compound includes following component：100 parts of hydrogenated nitrile-butadiene rubber；10~20 parts of butadiene rubber；0.5~10 part of filler；15 parts of graphene；0.5~3 part of age resistor；0.5~2 part of softening agent；0~15 part of plasticizer；3~5 parts of vulcanizing agent；0.5~2 part of accelerator；0~6 part of dibutyl ester；0~3 part of stearic acid；20~43 parts of semi-reinforcing hydrocarbon black；5~20 parts of fast extrude in carbon black；0~10 part of white carbon；0~10 part of calcium carbonate.The rubber that the present invention is obtained, product is stable, cold-resistant heat-resisting effect is good, dimensionally stable is used for a long time, deformation is small, and ageing resistace is good, wear-resisting, sizing material tensile strength, elongation rate of tensile failure, break set resistant can meet GB528 standards regulation requirement, sizing material resilience determine meets GB/T1681 requirement.
Description
Technical field
The present invention relates to rubber materials, particularly a kind of grapheme material timing belt is rubber mixed and preparation method thereof.
Background technology
Timing belt is using steel wire rope or glass fibre as strength layer, outside coated with the endless belt of rubber.Timing belt combines band
Transmission, Chain conveyer and the respective advantage of gear drive, during rotation, power is transmitted by being meshed with tooth with the teeth groove taken turns.Pass
Defeated toothed belt transmission has accurate gearratio, and no slippage can obtain constant speed ratio, stable drive can absorbing, noise
Small, the advantages of gear range is big is widely used in weaving, lathe, tobacco, communication cable, light industry, chemical industry, metallurgy, instrument instrument
In the various types of machine drivings of the every profession and trades such as device, food, mine, oil, automobile.
Current timing belt rubber is a kind of HI SA highly saturated elastomer as obtained from neoprene carries out specially treated, tool
There are good oil resistant, chemically-resistant, resistance to ozone, decay resistance, but with the extension of timing belt application field, existing neoprene
The rubber parts of making has been difficult to meet some fields（Such as automobile, oilfield）To its wear-resisting, anti-aging and cold-resistant hot property
Requirement.
The content of the invention
In view of the above-mentioned problems, the present invention provide it is a kind of can wear-resisting, anti-aging, dimensionally stable, cold-resistant good in thermal property, heat-resisting resistance to
Cold timing belt with rubber mixed, what it was obtained by：
A kind of grapheme material timing belt is rubber mixed, including following component：In terms of mass parts, 100 parts of hydrogenated nitrile-butadiene rubber；
10~20 parts of butadiene rubber；25~83 parts of filler；1-5 parts of graphene；0.5~3 part of age resistor；0.5~2 part of softening agent；Increase
Mould 0~15 part of agent；3~5 parts of vulcanizing agent；0.5~2 part of accelerator；
0~6 part of dibutyl ester；0~3 part of stearic acid.
It is preferred that, filler of the present invention be semi-reinforcing hydrocarbon black, fast extrude in carbon black, white carbon or calcium carbonate at least
It is a kind of.
It is preferred that, plasticizer of the present invention is stearic acid, dibutyl ester, pentachlorothiophenol, dioctyl adipate or adjacent benzene two
At least one of formic acid dibutyl ester.
It is preferred that, accelerator of the present invention is at least one of triethylene diamine or dibutyl tin laurate.
It is preferred that, age resistor of the present invention is N- phenyl-N`- cyclohexyl p-phenylenediamine or 4.4 a pair ofs（2.2- dimethyl
Benzyl）At least one of diphenylamines.
It is preferred that, softening agent of the present invention is at least one of aromatic naphtha, paraffin oil or naphthenic oil.
It is preferred that, graphene of the present invention refers to graphene SE2430 powders.
It is preferred that, vulcanizing agent oxide curative agent of the present invention.
It is preferred that, oxide curative agent of the present invention is at least one of magnesia or zinc oxide.
A kind of rubber mixed preparation method of grapheme material timing belt of the present invention, is comprised the following steps that：
（1）Plasticate；Hydrogenated nitrile-butadiene rubber and butadiene rubber are plasticated 24 hours by component ratio；
（2）Mixing；By component ratio by other in addition to hydrogenated nitrile-butadiene rubber, butadiene rubber, accelerator, vulcanizing agent and plasticizer
Raw material is added after masticator operating 1min, adds step（1）The hydrogenated nitrile-butadiene rubber and butadiene rubber of acquisition are kneaded, raw
Glue is acted in masticator and degraded by the vigorous between rotor and between rotor and locular wall, produced by relative velocity
Shearing force is broken rubber macromolecule；Plasticizer is added while masticator is plasticated, 1-3 dispensing is cleaned, mixing time is 3-6
Minute, temperature is 50 DEG C~95 DEG C；
（3）Dumping, cooling；The sizing material just kneaded is subjected to dumping, masticator slice natural cooling 24h obtains cooling glue；
（4）Plus sulphur mixing；By component ratio by accelerator, vulcanizing agent and step（3）The cooling glue of acquisition is put into mill
Kneaded, mill preliminary roller and back roller speed ratio are 1:1.25~1.27, mixing time be 3-5 minute, temperature for 50 DEG C~
80 DEG C, that is, obtain the grapheme material timing belt rubber mixed.
In the present invention, the hydrogenated nitrile-butadiene rubber added has good oil resistance；And due to its HI SA highly saturated knot
Structure, makes it have good heat resistance, excellent resistant to chemical etching, ozone resistance；Higher incompressible permanent deformation performance；
The features such as hydrogenated nitrile-butadiene rubber also has high intensity, high tear energy simultaneously, anti-wear performance is excellent.
The flexible good, wearability of butadiene rubber is strong and resistance to low temperature is good, heat is low, hysteresis loss is small, flexible resistance,
The advantages of crack resistance and good dynamic property, but also have that tensile strength is relatively low, tearing strength is poor, anti-slippery is bad, processability
Can poor, rubber cold flow be inclined to big shortcoming, with hydrogenating butadiene acrylonitrile rubber and with can effectively make up its shortcoming.
Filler is selected from semi-reinforcing hydrocarbon black, fast extrude in carbon black, white carbon or calcium carbonate, with toning, increases elastomeric compound
Density, improves the physical property of elastomeric compound（Such as improve wear-resisting, tear-proof, tensile strength）Effect；In finished product, filler
Too high levels are easily caused elastomeric compound and disperse bad, and density, hardness are higher, and time of scorch is unstable；Content is too low, is easily caused
Elastomeric compound density and lower hardness, physical property decline.
Age resistor is selected from N- phenyl-N`- cyclohexyl p-phenylenediamine or 4.4 a pair ofs（2.2- dimethyl benzyl）Diphenylamines is extremely
Few one kind, can increase ozone-resistant, the fatigue properties of elastomeric compound, improve heatproof oxidation performance energy, extend product service life；Finished product
In, age resistor too high levels are easily caused elastomeric compound bloom, too low, be easily caused that elastomeric compound is anti-oxidant and ozone-resistant ability under
Drop, subsequent product service life shortens.
Softening agent is selected from least one of aromatic naphtha, paraffin oil or naphthenic oil, and it can reduce sizing material plasticity, and increase is mixed
The elastic strength of refining glue；In finished product, softening agent too high levels will cause rubber plasticity too high, roll release or roll banding, bloom；It is too low
Rubber plasticity will be caused too low, Density inhomogeneity.
Plasticizer in stearic acid, dibutyl ester, pentachlorothiophenol, dioctyl adipate or dibutyl phthalate extremely
Few one kind, it can reduce the active force between rubber molecule, so as to reduce the glass transition temperature of rubber, make rubber plasticity, stream
Dynamic property, the forming operation such as is easy to roll, extrudes, while can also improve some physical and mechanical properties of elastomeric compound, such as reducing hardness
Higher elastic and relatively low heat, raising cold resistance etc. with stress at definite elongation, imparting；In finished product, plasticizer loading will be too high to lead
Cause rubber plasticity too high, lower hardness；It is too low, cause rubber plasticity too low, Density inhomogeneity.
Vulcanization accelerator is selected from least one of triethylene diamine or dibutyl tin laurate, when it can shorten vulcanization
Between, curing temperature is reduced, so as to improve production efficiency, cost is reduced, while the coke burning performance of elastomeric compound can be improved, makes elastomeric compound
Vulcanize flatness good, be difficult over cure, be conducive to the physical and mechanical properties of product after improving；In finished product, accelerator content is too high will
Cause that elastomeric compound time of scorch is too short, hardness is higher；It is too low, elastomeric compound time of scorch will be caused long, sulphur is owed, vulcanize starting point
Slowly.
Compared with prior art, the rubber mixed product of grapheme material timing belt that the application is obtained newly can more be stablized,
Cold-resistant heat-resisting effect is good, and dimensionally stable is used for a long time, and deforms small, and ageing resistace is good, wear-resisting, sizing material tensile strength, breaks
Elongation, break set resistant can meet GB528 standards regulation requirement, sizing material resilience determine meet GB/T1681 will
Ask.
Embodiment
The technology of the present invention thought is further illustrated below by way of specific embodiment.
Raw material is bought by commercial sources in following embodiments.
Embodiment 1
The grapheme material timing belt of the present embodiment is rubber mixed, and the component and content of raw material are as follows：
The raw material components of 1 embodiment of table 1 are matched
The rubber mixed preparation method of grapheme material timing belt of the present embodiment comprises the following steps：
1）Dispensing；According to formula, various components are prepared as raw material；
2）Plasticate；Hydrogenated nitrile-butadiene rubber and butadiene rubber are shifted to an earlier date into 24 hours to be plasticated；
3）Mixing；In addition to accelerator, vulcanizing agent, operating 1min will be carried out using masticator after above-mentioned component dispensing, add hydrogenation
Nitrile rubber and butadiene rubber are kneaded, and rubber is in masticator by the violent machine between rotor and between rotor and locular wall
Tool is acted on and degraded, and front and rear roller uses speed ratio for 1:Shearing force produced by 1.25 relative velocities is broken rubber macromolecule,
1 dispensing is cleaned, mixing time is 3 minutes, and temperature is 50 DEG C；
4）Dumping, cooling；The sizing material just kneaded is subjected to dumping, the cooling of masticator slice；
5）Plus sulphur mixing；After 24 hours, accelerator and vulcanizing agent are put into mill and carry out second of mixing.Mill
Preliminary roller and back roller speed ratio are 1:1.25~1.27, mixing time is 3-5 minutes, and temperature is 50 DEG C~80 DEG C, that is, obtains graphite
Alkene synchronous material band is rubber mixed.
The grapheme material timing belt obtained to the present embodiment is rubber mixed according to GB/T1681 standards progress sizing material time
Elasticity measurement is tested, as a result as shown in table 1：
The glue performance test results of 2 embodiment of table 1
From above table as can be seen that sizing material tensile strength, elongation rate of tensile failure made from the present embodiment, to break set resistant equal
The regulation requirement of GB528 standards can be met, sizing material resilience, which is determined, meets GB/T1681 requirements.
Embodiment 2
The grapheme material timing belt of the present embodiment is rubber mixed, and the component and content of raw material are as follows：
The raw material components of 3 embodiment of table 2 are matched
The rubber mixed preparation method of grapheme material timing belt of the present embodiment comprises the following steps：
1）Dispensing；According to formula, various components are prepared as raw material；
2）Plasticate；Hydrogenated nitrile-butadiene rubber and butadiene rubber are shifted to an earlier date into 24 hours to be plasticated；
3）Mixing；In addition to accelerator, vulcanizing agent and plasticizer, operating 1min will be carried out using masticator after above-mentioned component dispensing,
Add hydrogenated nitrile-butadiene rubber and butadiene rubber is kneaded, rubber is in masticator by between rotor and between rotor and locular wall
Vigorous effect and degrade, front and rear roller uses speed ratio for 1:Shearing force produced by 1.26 relative velocities makes rubber big
Molecular breakdown, while adding plasticizer when masticator is plasticated, cleans 2 dispensings, mixing time is 5 minutes, and temperature is 75 DEG C；
4）Dumping, cooling；The sizing material just kneaded is subjected to dumping, the cooling of masticator slice；
5）Plus sulphur mixing；After 24 hours, accelerator and vulcanizing agent are put into mill and carry out second of mixing, that is, is obtained
The grapheme material timing belt is rubber mixed.
The rubber mixed progress sizing material resilience determination test of grapheme material timing belt obtained to the present embodiment, as a result
As shown in table 2：
The glue performance test results of 4 embodiment of table 2
Embodiment 3
The grapheme material timing belt of the present embodiment is rubber mixed, and the component and content of raw material are as follows：
The raw material components of 5 embodiment of table 3 are matched
The rubber mixed preparation method of grapheme material timing belt of the present embodiment comprises the following steps：
1）Dispensing；According to formula, various components are prepared as raw material；
2）Plasticate；Hydrogenated nitrile-butadiene rubber and butadiene rubber are shifted to an earlier date into 24 hours to be plasticated；
3）Mixing；In addition to accelerator, vulcanizing agent and plasticizer, operating 1min will be carried out using masticator after above-mentioned component dispensing,
Add hydrogenated nitrile-butadiene rubber and butadiene rubber is kneaded, rubber is in masticator by between rotor and between rotor and locular wall
Vigorous effect and degrade, front and rear roller uses speed ratio for 1:Shearing force produced by 1.27 relative velocities makes rubber big
Molecular breakdown, while adding plasticizer when masticator is plasticated, cleans 3 dispensings, mixing time is 6 minutes, and temperature is 95 DEG C；
4）Dumping, cooling；The sizing material just kneaded is subjected to dumping, the cooling of masticator slice；
5）Plus sulphur mixing；After 24 hours, accelerator and vulcanizing agent are put into mill and carry out second of mixing, that is, is obtained
The grapheme material timing belt is rubber mixed.
The rubber mixed progress sizing material resilience determination test of grapheme material timing belt obtained to the present embodiment, it is tied
Fruit is as shown in table 6.
In specific operation process, plasticizer can select stearic acid, dibutyl ester, pentachlorothiophenol, dioctyl adipate or
One or more in dibutyl phthalate；Accelerator can be selected in triethylene diamine or dibutyl tin laurate
It is at least one；Age resistor can select N- phenyl-N`- cyclohexyl p-phenylenediamine or 4.4 a pair ofs（2.2- dimethyl benzyl）Hexichol
At least one of amine；Softening agent can select at least one of aromatic naphtha, paraffin oil or naphthenic oil；Vulcanizing agent can be selected
At least one of magnesia or zinc oxide, can be achieved the purpose of the present invention.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these, which are improved, can be achieved this
The purpose of invention, also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of grapheme material timing belt is rubber mixed, including following component：
In terms of mass parts, 100 parts of hydrogenated nitrile-butadiene rubber；
10~20 parts of butadiene rubber；
25~83 parts of filler；
1-5 parts of graphene；
0.5~3 part of age resistor；
0.5~2 part of softening agent；
0~15 part of plasticizer；
3~5 parts of vulcanizing agent；
0.5~2 part of accelerator；
0~6 part of dibutyl ester；
0~3 part of stearic acid.
2. grapheme material timing belt according to claim 1 is rubber mixed, it is characterised in that the filler is half
At least one of hard carbon black, fast extrude in carbon black, white carbon or calcium carbonate.
3. grapheme material timing belt according to claim 2 is rubber mixed, it is characterised in that the plasticizer is hard
At least one of resin acid, dibutyl ester, pentachlorothiophenol, dioctyl adipate or dibutyl phthalate.
4. grapheme material timing belt according to claim 3 is rubber mixed, it is characterised in that the accelerator is three
At least one of ethylene diamine or dibutyl tin laurate.
5. grapheme material timing belt according to claim 4 is rubber mixed, it is characterised in that the age resistor is N-
Phenyl-N`- cyclohexyl p-phenylenediamine or 4.4 a pair ofs（2.2- dimethyl benzyl）At least one of diphenylamines.
6. grapheme material timing belt according to claim 5 is rubber mixed, it is characterised in that the softening agent is virtue
At least one of hydrocarbon ils, paraffin oil or naphthenic oil.
7. grapheme material timing belt according to claim 6 is rubber mixed, it is characterised in that the graphene refers to
Graphene SE2430 powders.
8. grapheme material timing belt according to claim 7 is rubber mixed, it is characterised in that the vulcanizing agent oxidation
Thing vulcanizing agent.
9. grapheme material timing belt according to claim 8 is rubber mixed, it is characterised in that the oxide curative
Agent is at least one of magnesia or zinc oxide.
10. the rubber mixed preparation method of grapheme material timing belt as described in one of claim 1-9, it is characterised in that
Comprise the following steps that：
（1）Plasticate；Hydrogenated nitrile-butadiene rubber and butadiene rubber are plasticated 24 hours by component ratio；
（2）Mixing；By component ratio by other in addition to hydrogenated nitrile-butadiene rubber, butadiene rubber, accelerator, vulcanizing agent and plasticizer
Raw material is added after masticator operating 1min, adds step（1）The hydrogenated nitrile-butadiene rubber and butadiene rubber of acquisition are kneaded；Pinch
Plasticizer is added while mill is plasticated, mixing time is 3-6 minutes, and temperature is 50 DEG C~95 DEG C；
（3）Dumping, cooling；The sizing material just kneaded is subjected to dumping, masticator slice natural cooling 24h obtains cooling glue；
（4）Plus sulphur mixing；By component ratio by accelerator, vulcanizing agent and step（3）The cooling glue of acquisition is put into mill
Kneaded, mill preliminary roller and back roller speed ratio are 1:1.25~1.27, mixing time be 3-5 minute, temperature for 50 DEG C~
80 DEG C, that is, obtain the grapheme material timing belt rubber mixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119717.1A CN106977784A (en) | 2017-03-02 | 2017-03-02 | Grapheme material timing belt is rubber mixed and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119717.1A CN106977784A (en) | 2017-03-02 | 2017-03-02 | Grapheme material timing belt is rubber mixed and preparation method thereof |
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| CN106977784A true CN106977784A (en) | 2017-07-25 |
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| CN201710119717.1A Pending CN106977784A (en) | 2017-03-02 | 2017-03-02 | Grapheme material timing belt is rubber mixed and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535511A (en) * | 2018-12-04 | 2019-03-29 | 中石化江钻石油机械有限公司 | A kind of heat conductive rubber material and preparation method thereof for drilling tool |
| CN115716948A (en) * | 2022-11-03 | 2023-02-28 | 盐城海之星车轮有限公司 | Preparation method of graphene-doped high-strength nitrile butadiene rubber |
-
2017
- 2017-03-02 CN CN201710119717.1A patent/CN106977784A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535511A (en) * | 2018-12-04 | 2019-03-29 | 中石化江钻石油机械有限公司 | A kind of heat conductive rubber material and preparation method thereof for drilling tool |
| CN109535511B (en) * | 2018-12-04 | 2021-05-18 | 中石化江钻石油机械有限公司 | Heat-conducting rubber material for drilling tool and preparation method thereof |
| CN115716948A (en) * | 2022-11-03 | 2023-02-28 | 盐城海之星车轮有限公司 | Preparation method of graphene-doped high-strength nitrile butadiene rubber |
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| CB02 | Change of applicant information |
Address after: 225300 No. 20-10, Yan Jiang Road, Binjiang Industrial Park, Taizhou pharmaceutical high tech Zone, Jiangsu, China Applicant after: Jiangsu Zhongsheng Transmission Technology Co., Ltd. Address before: 225300 Jiangsu province Taizhou Binjiang Industrial Park run River Road No. 20-10 Applicant before: Jiangsu Gangda Belt Industry Co., Ltd. |
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