CN108129709A - Good rubber composition of a kind of fatigue durability and preparation method thereof - Google Patents
Good rubber composition of a kind of fatigue durability and preparation method thereof Download PDFInfo
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- CN108129709A CN108129709A CN201810081675.1A CN201810081675A CN108129709A CN 108129709 A CN108129709 A CN 108129709A CN 201810081675 A CN201810081675 A CN 201810081675A CN 108129709 A CN108129709 A CN 108129709A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- 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
- C08K2201/011—Nanostructured additives
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- 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
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses good rubber compositions of a kind of fatigue durability and preparation method thereof, include the raw material of following parts by weight：23 parts of 55 75 parts of natural rubber, 36 48 parts of silicon rubber, 26 42 parts of hydrogenated nitrile-butadiene rubber, 24 30 parts of phenolic resin, 36 parts of nano magnesia, 1.5 3.5 parts of stearic acid, 58 parts of nano silicon dioxide, 46 parts of nano aluminium oxide, 24 parts of certain herbaceous plants with big flowers acid glyceride, 2.4 3.8 parts of silane coupling agent, 12 18 parts of graphene, 38 parts of clove oil, 46 parts of sorbitol anhydride oleate, 48 parts of aceglutamide, 24 36 parts of ethyl alcohol, 12 parts of antioxidant and vulcanizing agent.Its endurance of finished product prepared by the present invention and resistance to ag(e)ing are preferable, its use reliability of rubber and durability processed using the finished product are preferable, substantially increase the service life of rubber.
Description
Technical field
The present invention relates to specific rubber, the good rubber composition of specifically a kind of fatigue durability.
Background technology
Rubber refers to the strong flexible polymer material with reversible deformation, high resilience at room temperature, in the external force of very little
Effect is lower to be generated compared with large deformation, remove resilient after external force.Rubber belongs to entirely without styling polymer, its vitrifying
Transition temperature（Tg）Low, molecular weight is often very big, more than hundreds of thousands.The rubber of early stage is taken from the plants such as rubber tree, kok-saghyz
Latex, after processing made of with elasticity, insulating properties, impermeable water and air material.Elastomeric high-molecular compound.Point
For two kinds of natural rubber and synthetic rubber.Natural rubber is made of the extraction colloid post-processing from the plants such as rubber tree, kok-saghyz；
Synthetic rubber is then obtained by the aggregated reaction of various monomers.Rubber is widely used in all aspects of industry or life.
Most of rubber uses in dynamical state, such as tire, rubber air spring, rubber shock-absorbing system
The sealing etc. of product, sealing article middle cylinder/axis/bar.And the wearability of rubber, resistance to ag(e)ing, the ozone resistance that dynamic uses
The anti-flexibility of endurance follows restoration to be important the quality of performance parameter, wherein fatigue durability, is directly related to rubber system
The reliability and durability that product use, but many rubber on the market at present, fatigue durability is not good enough, leads to rubber
The service life of product is shorter.
Invention content
The purpose of the present invention is to provide a kind of good rubber composition of fatigue durability, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides following technical solution：
A kind of good rubber composition of fatigue durability includes the raw material of following parts by weight：55-75 parts of natural rubber, silicon rubber 36-
48 parts, 26-42 parts of hydrogenated nitrile-butadiene rubber, 24-30 parts of phenolic resin, 3-6 parts of nano magnesia, 1.5-3.5 parts of stearic acid, nanometer
5-8 parts of silica, 4-6 parts of nano aluminium oxide, 2-4 parts of certain herbaceous plants with big flowers acid glyceride, 2.4-3.8 parts of silane coupling agent, graphene 12-18
Part, 3-8 parts of clove oil, 4-6 parts of sorbitol anhydride oleate, 4-8 parts of aceglutamide, 24-36 parts of ethyl alcohol, antioxidant 1-2
2-3 parts of part and vulcanizing agent.
As further embodiment of the present invention：The granularity of nano magnesia is 5-36nm, and the granularity of nano silicon dioxide is
24-135nm, the granularity of nano aluminium oxide is 18-56nm.
As further embodiment of the present invention：Graphene is using one kind of multi-layer graphene or graphene oxide, vulcanization
Agent uses sulphur.
The preparation method of the good rubber composition of the fatigue durability, is as follows：
Graphene is milled to 60-80 mesh by step 1, then adds in aceglutamide graphene powder and ultrasonic wave shakes
It swings 5-10 minutes, then hydrofluoric acid is added dropwise thereto and is kept for 45-70 minutes under 70-82 degrees Celsius, filter and will precipitate
It is washed with deionized water to neutrality, obtains modified graphene；
Silicon rubber, sorbitol anhydride oleate and ethyl alcohol are mixed evenly and using wet ball grinding, obtain silicon by step 2
Rubber slurry；
Natural rubber, hydrogenated nitrile-butadiene rubber, phenolic resin, stearic acid and certain herbaceous plants with big flowers acid glyceride are mixed and are milled to by step 3
80-100 mesh obtains the first mixture；
Nano magnesia, nano silicon dioxide, nano aluminium oxide and clove oil are mixed and add in gross mass 3- by step 4
5 times of water, is stirred and ultrasonication 15-30 minutes, and then low temperature drying obtains modified Nano magnesia, modified Nano
Silica and modified nano-alumina；
Step 5, by the first mixture, modified Nano magnesia, modified manometer silicon dioxide, modified nano-alumina and modification
Graphene is added in high-speed kneading machine, is mediated 8-12 minutes under 180-210 degrees Celsius, silicon is then added in into high-speed kneading machine
Alkane coupling agent, silicon rubber slurry, antioxidant and vulcanizing agent continue to mediate 10-15 minutes, you can obtain finished product.
As further embodiment of the present invention：The power of ultrasonic wave is 900-1200W in step 4, and speed is stirred in step 2
It spends for 750-900rpm.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material sources of the present invention are extensive, and preparation process is simple, system
Its endurance of standby finished product and resistance to ag(e)ing are preferable, its use reliability of rubber for being processed using the finished product and durable
Property is preferable, substantially increases the service life of rubber, meets the use demand of people.
Specific embodiment
The technical solution of this patent is described in more detail With reference to embodiment.
Embodiment 1
A kind of good rubber composition of fatigue durability includes the raw material of following parts by weight：55 parts of natural rubber, 36 parts of silicon rubber,
26 parts of hydrogenated nitrile-butadiene rubber, 24 parts of phenolic resin, 3 parts of nano magnesia, 1.5 parts of stearic acid, nano silicon dioxide 5 part, nanometer
4 parts of aluminium oxide, 2 parts of certain herbaceous plants with big flowers acid glyceride, 2.4 parts of silane coupling agent, 12 parts of graphene, 3 parts of clove oil, sorbitan oleic acid
2 parts of 4 parts of ester, 4 parts of aceglutamide, 24 parts of ethyl alcohol, 1 part of antioxidant and vulcanizing agent.The granularity of nano magnesia be 16nm, nanometer
The granularity of silica is 84nm, and the granularity of nano aluminium oxide is 42nm.
The preparation method of the good rubber composition of the fatigue durability, is as follows：
Graphene is milled to 80 mesh by step 1, then by graphene powder add in aceglutamide in and supersonic oscillations 8
Minute, then hydrofluoric acid is added dropwise thereto and is kept for 54 minutes under 76 degrees Celsius, filter and precipitation is washed with deionized water
To neutrality, modified graphene is obtained；
Silicon rubber, sorbitol anhydride oleate and ethyl alcohol are mixed evenly and using wet ball grinding, obtain silicon by step 2
Rubber slurry；
Natural rubber, hydrogenated nitrile-butadiene rubber, phenolic resin, stearic acid and certain herbaceous plants with big flowers acid glyceride are mixed and are milled to by step 3
90 mesh obtain the first mixture；
Nano magnesia, nano silicon dioxide, nano aluminium oxide and clove oil are mixed and add in gross mass 4 by step 4
Times water, stir and ultrasonication 24 minutes, then low temperature drying obtains modified Nano magnesia, modified nano-silica
SiClx and modified nano-alumina；
Step 5, by the first mixture, modified Nano magnesia, modified manometer silicon dioxide, modified nano-alumina and modification
Graphene is added in high-speed kneading machine, is mediated 10 minutes, is then added in into high-speed kneading machine silane coupled at 200 degrees celsius
Agent, silicon rubber slurry, antioxidant and vulcanizing agent continue to mediate 12 minutes, you can obtain finished product.
Product to embodiment 1 carries out endurance examination under conditions of being 100PSI in ± 50 amplitudes, frequency 2HZ, pressure
Test 2,800,000 no crackings；Anti-aging test is carried out at a temperature of 100 degrees Celsius 72 hours, performance change is ranging from：Hardness
± 8A, tensile strength MPa≤± 26%, elongation≤± 25%.
Embodiment 2
A kind of good rubber composition of fatigue durability includes the raw material of following parts by weight：62 parts of natural rubber, 40 parts of silicon rubber,
33 parts of hydrogenated nitrile-butadiene rubber, 4.5 parts of nano magnesia, 2.5 parts of stearic acid, 6 parts of nano silicon dioxide, is received 26 parts of phenolic resin
4.8 parts of aluminium oxide of rice, 2.6 parts of certain herbaceous plants with big flowers acid glyceride, 3 parts of silane coupling agent, 15 parts of graphene, 5 parts of clove oil, sorbitan
2.2 parts of 4.8 parts of oleate, 6 parts of aceglutamide, 29 parts of ethyl alcohol, 1.3 parts of antioxidant and vulcanizing agent.Graphene uses multilayer stone
Black alkene, vulcanizing agent use sulphur.
The preparation method of the good rubber composition of the fatigue durability, is as follows：
Graphene is milled to 80 mesh by step 1, then by graphene powder add in aceglutamide in and supersonic oscillations 6
Minute, then hydrofluoric acid is added dropwise thereto and is kept for 55 minutes under 78 degrees Celsius, filter and precipitation is washed with deionized water
To neutrality, modified graphene is obtained；
Silicon rubber, sorbitol anhydride oleate and ethyl alcohol are mixed evenly and using wet ball grinding, obtain silicon by step 2
Rubber slurry；
Natural rubber, hydrogenated nitrile-butadiene rubber, phenolic resin, stearic acid and certain herbaceous plants with big flowers acid glyceride are mixed and are milled to by step 3
100 mesh obtain the first mixture；
Nano magnesia, nano silicon dioxide, nano aluminium oxide and clove oil are mixed and add in gross mass 3 by step 4
Times water, stir and ultrasonication 24 minutes, then low temperature drying obtains modified Nano magnesia, modified nano-silica
SiClx and modified nano-alumina；
Step 5, by the first mixture, modified Nano magnesia, modified manometer silicon dioxide, modified nano-alumina and modification
Graphene is added in high-speed kneading machine, is mediated 8 minutes, is then added in into high-speed kneading machine silane coupled under 210 degrees Celsius
Agent, silicon rubber slurry, antioxidant and vulcanizing agent continue to mediate 13 minutes, you can obtain finished product.
Product to embodiment 2 carries out endurance examination under conditions of being 100PSI in ± 50 amplitudes, frequency 2HZ, pressure
Test 2,760,000 no crackings；Anti-aging test is carried out at a temperature of 100 degrees Celsius 72 hours, performance change is ranging from：Hardness
± 10A, tensile strength MPa≤± 30%, elongation≤± 28%.
Embodiment 3
A kind of good rubber composition of fatigue durability includes the raw material of following parts by weight：70 parts of natural rubber, 42 parts of silicon rubber,
38 parts of hydrogenated nitrile-butadiene rubber, 28 parts of phenolic resin, 5.2 parts of nano magnesia, 3 parts of stearic acid, nano silicon dioxide 7 part, nanometer
5.4 parts of aluminium oxide, 3.5 parts of certain herbaceous plants with big flowers acid glyceride, 3.4 parts of silane coupling agent, 17 parts of graphene, 6.8 parts of clove oil, D-sorbite
2.6 parts of 5.5 parts of acid anhydride oleate, 7 parts of aceglutamide, 32 parts of ethyl alcohol, 1.7 parts of antioxidant and vulcanizing agent.Graphene is using oxidation
Graphene, vulcanizing agent use sulphur.
The preparation method of the good rubber composition of the fatigue durability, is as follows：
Graphene is milled to 60-80 mesh by step 1, then adds in aceglutamide graphene powder and ultrasonic wave shakes
It swings 5-10 minutes, then hydrofluoric acid is added dropwise thereto and is kept for 45-70 minutes under 70-82 degrees Celsius, filter and will precipitate
It is washed with deionized water to neutrality, obtains modified graphene；
Silicon rubber, sorbitol anhydride oleate and ethyl alcohol are mixed evenly and are used with the rotating speed of 750rpm by step 2
Wet ball grinding obtains silicon rubber slurry；
Natural rubber, hydrogenated nitrile-butadiene rubber, phenolic resin, stearic acid and certain herbaceous plants with big flowers acid glyceride are mixed and are milled to by step 3
100 mesh obtain the first mixture；
Nano magnesia, nano silicon dioxide, nano aluminium oxide and clove oil are mixed and add in gross mass 5 by step 4
Times water, stir and with the ultrasonication 26 minutes of 1050W, then low temperature drying obtain modified Nano magnesia, modification
Nano silicon dioxide and modified nano-alumina；
Step 5, by the first mixture, modified Nano magnesia, modified manometer silicon dioxide, modified nano-alumina and modification
Graphene is added in high-speed kneading machine, is mediated 10 minutes, is then added in into high-speed kneading machine silane coupled under 195 degrees Celsius
Agent, silicon rubber slurry, antioxidant and vulcanizing agent continue to mediate 14 minutes, you can obtain finished product.
Product to embodiment 3 carries out endurance examination under conditions of being 100PSI in ± 50 amplitudes, frequency 2HZ, pressure
Test 2,830,000 no crackings；Anti-aging test is carried out at a temperature of 100 degrees Celsius 72 hours, performance change is ranging from：Hardness
± 5A, tensile strength MPa≤± 22%, elongation≤± 24%.
Embodiment 4
A kind of good rubber composition of fatigue durability includes the raw material of following parts by weight：75 parts of natural rubber, 48 parts of silicon rubber,
42 parts of hydrogenated nitrile-butadiene rubber, 30 parts of phenolic resin, 6 parts of nano magnesia, 3.5 parts of stearic acid, nano silicon dioxide 8 part, nanometer
6 parts of aluminium oxide, 4 parts of certain herbaceous plants with big flowers acid glyceride, 3.8 parts of silane coupling agent, 18 parts of graphene, 8 parts of clove oil, sorbitan oleic acid
3 parts of 6 parts of ester, 8 parts of aceglutamide, 36 parts of ethyl alcohol, 2 parts of antioxidant and vulcanizing agent.The granularity of nano magnesia be 30nm, nanometer
The granularity of silica is 66nm, and the granularity of nano aluminium oxide is 45nm.Graphene uses multi-layer graphene, and vulcanizing agent uses sulphur
Sulphur.
The preparation method of the good rubber composition of the fatigue durability, is as follows：
Graphene is milled to 80 mesh by step 1, then by graphene powder add in aceglutamide in and supersonic oscillations 8
Minute, then hydrofluoric acid is added dropwise thereto and is kept for 60 minutes under 78 degrees Celsius, filter and precipitation is washed with deionized water
To neutrality, modified graphene is obtained；
Silicon rubber, sorbitol anhydride oleate and ethyl alcohol are mixed evenly and are used with the rotating speed of 810rpm by step 2
Wet ball grinding obtains silicon rubber slurry；
Natural rubber, hydrogenated nitrile-butadiene rubber, phenolic resin, stearic acid and certain herbaceous plants with big flowers acid glyceride are mixed and are milled to by step 3
80 mesh obtain the first mixture；
Nano magnesia, nano silicon dioxide, nano aluminium oxide and clove oil are mixed and add in gross mass 4 by step 4
Times water, stir and with the ultrasonication 20 minutes of 1200W, then low temperature drying obtain modified Nano magnesia, modification
Nano silicon dioxide and modified nano-alumina；
Step 5, by the first mixture, modified Nano magnesia, modified manometer silicon dioxide, modified nano-alumina and modification
Graphene is added in high-speed kneading machine, is mediated 10 minutes, is then added in into high-speed kneading machine silane coupled under 205 degrees Celsius
Agent, silicon rubber slurry, antioxidant and vulcanizing agent continue to mediate 15 minutes, you can obtain finished product.
Product to embodiment 4 carries out endurance examination under conditions of being 100PSI in ± 50 amplitudes, frequency 2HZ, pressure
Test 2,690,000 no crackings；Anti-aging test is carried out at a temperature of 100 degrees Celsius 72 hours, performance change is ranging from：Hardness
± 10A, tensile strength MPa≤± 30%, elongation≤± 28%.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. the good rubber composition of a kind of fatigue durability, which is characterized in that include the raw material of following parts by weight：Natural rubber 55-
75 parts, 36-48 parts of silicon rubber, 26-42 parts of hydrogenated nitrile-butadiene rubber, 24-30 parts of phenolic resin, 3-6 parts of nano magnesia, stearic acid
1.5-3.5 parts, 5-8 parts of nano silicon dioxide, 4-6 parts of nano aluminium oxide, 2-4 parts of certain herbaceous plants with big flowers acid glyceride, silane coupling agent 2.4-3.8
Part, 12-18 parts of graphene, 3-8 parts of clove oil, 4-6 parts of sorbitol anhydride oleate, 4-8 parts of aceglutamide, ethyl alcohol 24-
2-3 parts of 36 parts, 1-2 parts of antioxidant and vulcanizing agent.
2. the good rubber composition of fatigue durability according to claim 1, which is characterized in that the grain of the nano magnesia
It spends for 5-36nm, the granularity of nano silicon dioxide is 24-135nm, and the granularity of nano aluminium oxide is 18-56nm.
3. the good rubber composition of fatigue durability according to claim 1, which is characterized in that the graphene uses multilayer
One kind of graphene or graphene oxide, vulcanizing agent use sulphur.
4. a kind of preparation method of the good rubber composition of fatigue durability as described in any one of claims 1-3, which is characterized in that
It is as follows：
Graphene is milled to 60-80 mesh by step 1, then adds in aceglutamide graphene powder and ultrasonic wave shakes
It swings 5-10 minutes, then hydrofluoric acid is added dropwise thereto and is kept for 45-70 minutes under 70-82 degrees Celsius, filter and will precipitate
It is washed with deionized water to neutrality, obtains modified graphene；
Silicon rubber, sorbitol anhydride oleate and ethyl alcohol are mixed evenly and using wet ball grinding, obtain silicon by step 2
Rubber slurry；
Natural rubber, hydrogenated nitrile-butadiene rubber, phenolic resin, stearic acid and certain herbaceous plants with big flowers acid glyceride are mixed and are milled to by step 3
80-100 mesh obtains the first mixture；
Nano magnesia, nano silicon dioxide, nano aluminium oxide and clove oil are mixed and add in gross mass 3- by step 4
5 times of water, is stirred and ultrasonication 15-30 minutes, and then low temperature drying obtains modified Nano magnesia, modified Nano
Silica and modified nano-alumina；
Step 5, by the first mixture, modified Nano magnesia, modified manometer silicon dioxide, modified nano-alumina and modification
Graphene is added in high-speed kneading machine, is mediated 8-12 minutes under 180-210 degrees Celsius, silicon is then added in into high-speed kneading machine
Alkane coupling agent, silicon rubber slurry, antioxidant and vulcanizing agent continue to mediate 10-15 minutes, you can obtain finished product.
5. the preparation method of the good rubber composition of fatigue durability according to claim 4, which is characterized in that the step
The power of ultrasonic wave is 900-1200W in four, and mixing speed is 750-900rpm in step 2.
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| CN110218367A (en) * | 2019-05-30 | 2019-09-10 | 刘光植 | A kind of preparation method of the wear-resisting tread rubber of anticracking |
| CN113234265A (en) * | 2021-03-29 | 2021-08-10 | 靳书艳 | Preparation method of hydrogenated nitrile rubber |
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Application publication date: 20180608 |