CN106916350A - A kind of oil resistant and the good antinoise rubber of acid-proof alkaline and preparation method thereof - Google Patents
A kind of oil resistant and the good antinoise rubber of acid-proof alkaline and preparation method thereof Download PDFInfo
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- CN106916350A CN106916350A CN201710257659.9A CN201710257659A CN106916350A CN 106916350 A CN106916350 A CN 106916350A CN 201710257659 A CN201710257659 A CN 201710257659A CN 106916350 A CN106916350 A CN 106916350A
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- rubber
- acid
- oil resistant
- proof alkaline
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses the good antinoise rubber of a kind of oil resistant and acid-proof alkaline, it is made up of according to weight portion following raw material：26 parts of 7 16 parts of nitrile rubber, 5 10 parts of ethylene propylene diene rubber, 13 parts of coupling agent, 0.6 2.4 parts of silicone oil, 0.4 1 parts of zinc oxide, 25 parts of pitch, 8 14 parts of carbon black, 14 parts of foaming agent, 0.5 2 parts of vulcanizing agent, 1.5 4 parts of corundum powder, 0.5 1.5 parts of polyacrylonitrile fibre and dinoflagellate.The present invention also disclosed the preparation method of the rubber.Raw material sources in the present invention are extensively and low in raw material price, preparation process is simple, it is adaptable to large-scale industrial production；Each component plays synergy in the present invention, and the product of preparation realizes corrosion-resistant, ageing-resistant and oil resistivity well balanced, while having good intensity and acoustically effective, can meet the use demand of people.
Description
Technical field
The present invention relates to a kind of rubber, specifically a kind of oil resistant and the good antinoise rubber of acid-proof alkaline.
Background technology
Rubber is a kind of resilient polymer.Rubber can be obtained, or artificial from the myron of some plants
, both considerable application and products, such as tire, packing ring etc., then as Important Economic crop.Rubber has good
Elasticity, and very light weight, cost is relatively low, and shaping is easier, and can be used in multiple fields.Existing restaurant pallet
It is made up of base rubber, inorganic filler, pigment etc. with rubber packing, wherein base rubber is natural rubber, inorganic filler is often
Potter's clay, pigment is organic pigment, and existing rubber packing has some shortcomings, and the ability of its acid and alkali resistance is poor, and oil resistivity is very
, easily there is cut when being streaked in scrubbing process or by hard thing in difference, and this can cause the appearance damage of pallet；Existing rubber lining
No sound absorption is padded, using in central air conditioner fan engineering, noise-proofing effect is bad.
The content of the invention
It is an object of the invention to provide the good antinoise rubber of a kind of oil resistant and acid-proof alkaline, to solve above-mentioned background
The problem proposed in technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of oil resistant and the good antinoise rubber of acid-proof alkaline, are made up of following raw material according to weight portion：Nitrile rubber 7-16
Part, ethylene propylene diene rubber 5-10 parts, coupling agent 1-3 parts, silicone oil 0.6-2.4 parts, zinc oxide 0.4-1 parts, pitch 2-5 parts, carbon black
8-14 parts, foaming agent 1-4 parts, vulcanizing agent 0.5-2 parts, 1.5-4 parts, polyacrylonitrile fibre 0.5-1.5 parts of corundum powder and dinoflagellate
2-6 parts.
As further scheme of the invention：Vulcanizing agent uses sulphur, coupling agent to use silane coupler.
As further scheme of the invention：The granularity of corundum powder is 240-320 mesh.
The preparation method of the oil resistant and the good antinoise rubber of acid-proof alkaline, comprises the following steps that：
Step one, ethylene propylene diene rubber is put into pulverizer and is crushed, and the product after crushing is put into concentration for 0.5-1.2mol/
Soaked 30-45 minutes in the sodium bicarbonate solution of L, then be washed with deionized water to neutrality, obtain modified EPT rubber powder；
Step 2, agitator tank is put into by nitrile rubber, coupling agent, silicone oil, foaming agent, corundum powder and polyacrylonitrile fibre
In, it is 115-130 degrees Celsius to rise high-temperature, is stirred 0.5-2 hours, obtains the first mixture；
Step 3, dinoflagellate is put into the deionized water of 4-8 times of its weight, is decocted 3-5 times under being 65-87 degrees Celsius in temperature,
45-70 minutes every time, decoction liquor is filtered and merged, obtain dinoflagellate decoction liquor；
Step 4, to addition modified EPT rubber powder, the first decoction liquor, zinc oxide 0.4-1 parts, drip in the first mixture
Blue or green, carbon black and vulcanizing agent, and mix under the rotating speed of 300-450rpm, obtain final mixture；
Step 5, final mixture is put into mill and is plasticated, kneaded and sulfidization molding, you can obtain finished product.
As further scheme of the invention：Mixing temperature in step 4 is 50-65 degrees Celsius, and incorporation time is 80-
150 minutes.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material sources in the present invention extensively and low in raw material price,
Preparation process is simple, it is adaptable to large-scale industrial production；Each component plays synergy in the present invention, and the product of preparation is realized
It is corrosion-resistant, ageing-resistant and oil resistivity well balanced, while having good intensity and acoustically effective, can meet people's
Use demand.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of oil resistant and the good antinoise rubber of acid-proof alkaline, are made up of following raw material according to weight portion：7 parts of nitrile rubber,
5 parts of ethylene propylene diene rubber, 1 part of coupling agent, 0.6 part of silicone oil, 0.4 part of zinc oxide, 2 parts of pitch, 8 parts of carbon black, 1 part of foaming agent, sulphur
2 parts of 0.5 part of agent, 1.5 parts of corundum powder, 0.5 part of polyacrylonitrile fibre and dinoflagellate.Vulcanizing agent uses sulphur, coupling agent to use
Silane coupler.
The preparation method of the oil resistant and the good antinoise rubber of acid-proof alkaline, comprises the following steps that：
Step one, ethylene propylene diene rubber is put into pulverizer and is crushed, and it is 0.7mol/L's that the product after crushing is put into concentration
Soaked 33 minutes in sodium bicarbonate solution, then be washed with deionized water to neutrality, obtain modified EPT rubber powder；
Step 2, agitator tank is put into by nitrile rubber, coupling agent, silicone oil, foaming agent, corundum powder and polyacrylonitrile fibre
In, it is 115 degrees Celsius to rise high-temperature, is stirred 0.8 hour, obtains the first mixture；
Step 3, dinoflagellate is put into the deionized water of 5 times of its weight, is decocted 4 times, every time 52 points under being 68 degrees Celsius in temperature
Clock, filters and merges decoction liquor, obtains dinoflagellate decoction liquor；
Step 4, to addition modified EPT rubber powder, the first decoction liquor, zinc oxide, pitch, carbon black in the first mixture
And vulcanizing agent, and mix under the rotating speed of 320rpm, obtain final mixture；
Step 5, final mixture is put into mill and is plasticated, kneaded and sulfidization molding, you can obtain finished product.
Embodiment 2
A kind of oil resistant and the good antinoise rubber of acid-proof alkaline, are made up of following raw material according to weight portion：9 parts of nitrile rubber,
7 parts of ethylene propylene diene rubber, 1.5 parts of coupling agent, 1.2 parts of silicone oil, 0.7 part of zinc oxide, 3.5 parts of pitch, 10 parts of carbon black, foaming agent
3.5 parts of 1.8 parts, 1.1 parts of vulcanizing agent, 2.6 parts of corundum powder, 0.9 part of polyacrylonitrile fibre and dinoflagellate.The granularity of corundum powder is
260 mesh.
The preparation method of the oil resistant and the good antinoise rubber of acid-proof alkaline, comprises the following steps that：
Step one, ethylene propylene diene rubber is put into pulverizer and is crushed, and it is 0.8mol/L's that the product after crushing is put into concentration
Soaked 38 minutes in sodium bicarbonate solution, then be washed with deionized water to neutrality, obtain modified EPT rubber powder；
Step 2, agitator tank is put into by nitrile rubber, coupling agent, silicone oil, foaming agent, corundum powder and polyacrylonitrile fibre
In, it is 118 degrees Celsius to rise high-temperature, is stirred 1 hour, obtains the first mixture；
Step 3, dinoflagellate is put into the deionized water of 6 times of its weight, is decocted 4 times, every time 58 points under being 75 degrees Celsius in temperature
Clock, filters and merges decoction liquor, obtains dinoflagellate decoction liquor；
Step 4, to addition modified EPT rubber powder, the first decoction liquor, zinc oxide, pitch, carbon black in the first mixture
And vulcanizing agent, and mixed 90 minutes with the rotating speed of 360rpm under 55 degrees Celsius, obtain final mixture；
Step 5, final mixture is put into mill and is plasticated, kneaded and sulfidization molding, you can obtain finished product.
Embodiment 3
A kind of oil resistant and the good antinoise rubber of acid-proof alkaline, are made up of following raw material according to weight portion：12 parts of nitrile rubber,
8 parts of ethylene propylene diene rubber, 2.5 parts of coupling agent, 1.8 parts of silicone oil, 0.8 part of zinc oxide, 3.5 parts of pitch, 12 parts of carbon black, foaming agent 3
Part, 1.6 parts of vulcanizing agent, 3.5 parts of corundum powder, 1.2 parts of polyacrylonitrile fibre and 4 parts of dinoflagellate.Vulcanizing agent uses sulphur, coupling agent
Using silane coupler.The granularity of corundum powder is 280 mesh.
The preparation method of the oil resistant and the good antinoise rubber of acid-proof alkaline, comprises the following steps that：
Step one, ethylene propylene diene rubber is put into pulverizer and is crushed, and the product after crushing is put into the carbon that concentration is 1mol/L
Soaked 40 minutes in sour hydrogen sodium solution, then be washed with deionized water to neutrality, obtain modified EPT rubber powder；
Step 2, agitator tank is put into by nitrile rubber, coupling agent, silicone oil, foaming agent, corundum powder and polyacrylonitrile fibre
In, it is 124 degrees Celsius to rise high-temperature, is stirred 1.4 hours, obtains the first mixture；
Step 3, dinoflagellate is put into the deionized water of 7 times of its weight, is decocted 4 times, every time 62 points under being 76 degrees Celsius in temperature
Clock, filters and merges decoction liquor, obtains dinoflagellate decoction liquor；
Step 4, to addition modified EPT rubber powder, the first decoction liquor, zinc oxide, pitch, carbon black in the first mixture
And vulcanizing agent, and mix under the rotating speed of 410rpm, obtain final mixture；
Step 5, final mixture is put into mill and is plasticated, kneaded and sulfidization molding, you can obtain finished product.
Embodiment 4
A kind of oil resistant and the good antinoise rubber of acid-proof alkaline, are made up of following raw material according to weight portion：15 parts of nitrile rubber,
10 parts of ethylene propylene diene rubber, 3 parts of coupling agent, 2.2 parts of silicone oil, 0.9 part of zinc oxide, 5 parts of pitch, 13 parts of carbon black, 4 parts of foaming agent,
6 parts of 2 parts of vulcanizing agent, 4 parts of corundum powder, 1.4 parts of polyacrylonitrile fibre and dinoflagellate.Vulcanizing agent uses sulphur, coupling agent to use silicon
Alkane coupling agent.The granularity of corundum powder is 300 mesh.
The preparation method of the oil resistant and the good antinoise rubber of acid-proof alkaline, comprises the following steps that：
Step one, ethylene propylene diene rubber is put into pulverizer and is crushed, and it is 1.2mol/L's that the product after crushing is put into concentration
Soaked 42 minutes in sodium bicarbonate solution, then be washed with deionized water to neutrality, obtain modified EPT rubber powder；
Step 2, agitator tank is put into by nitrile rubber, coupling agent, silicone oil, foaming agent, corundum powder and polyacrylonitrile fibre
In, it is 126 degrees Celsius to rise high-temperature, is stirred 2 hours, obtains the first mixture；
Step 3, dinoflagellate is put into the deionized water of 5 times of its weight, is decocted 5 times, every time 68 points under being 84 degrees Celsius in temperature
Clock, filters and merges decoction liquor, obtains dinoflagellate decoction liquor；
Step 4, to addition modified EPT rubber powder, the first decoction liquor, zinc oxide, pitch, carbon black in the first mixture
And vulcanizing agent, and mixed 135 minutes with the rotating speed of 430rpm at 62 c, obtain final mixture；
Step 5, final mixture is put into mill and is plasticated, kneaded and sulfidization molding, you can obtain finished product.
Product to embodiment 1-4 carries out performance test.Oil resistant test：Machine oil by the sample of 10cmx10cm at 25 DEG C
Middle immersion 24 hours, dries after taking-up, places 4-8 hours, weighs, and calculating weight increases percentage, wherein, weightening is less than
It is qualified equal to 8%, weightening is unqualified more than 8%.Acid resistance test：By the sample of 10cmx10cm in 25 DEG C, 20% sulfuric acid
Middle immersion 24 hours, dries after taking-up, parks 4-8 hours, weighs, and calculating weight increases percentage, increases weight more than 0.8%
For unqualified.Alkali resistance test：By the sample of 10cmx10cm, soaked 24 hours in 25 DEG C, 20% caustic soda, dried after taking-up,
Park 4-8 hours, weigh, calculating weight increases percentage, and weightening is more than 0.8% for unqualified.Scratch test：With one
Sticking plaster with tip, tester makes tip one end of sticking plaster streak the surface of test sample to hold mode, applies 3kg
Power, observation there is no marking to occur.Test result is shown in Table 1.
Table 1
| Oil resistivity | Acid resistance | Alkali resistance | Cut | Acoustic absorptivity | |
| Embodiment 1 | It is qualified | It is qualified | It is qualified | Slightly | 35% |
| Embodiment 2 | It is qualified | It is qualified | It is qualified | It is faint | 46% |
| Embodiment 3 | It is qualified | It is qualified | It is qualified | It is atomic weak | 52% |
| Embodiment 4 | It is qualified | It is qualified | It is qualified | Nothing | 48% |
Nitrile rubber can provide preferable oil resistant (especially alkane oil), high temperature degradation resistance, water resistance and excellent for product
Good adhesive property.Present invention preferably uses the nitrile rubber of low temperature polymerization, with the processing characteristics for obtaining.Further,
The acrylonitrile content in nitrile rubber can be selected according to the use environment of product, for example, higher resistance in order to obtain
Oiliness, the nitrile rubber that acrylonitrile content can be selected higher, for example, the acrylonitrile containing 42-46% or 36-41%；In order to
Improve the cold resistance of product, the nitrile rubber that acrylonitrile content can be selected relatively low, for example, containing 25-30%'s or 18-24%
Acrylonitrile.
In the present invention, with ethylene propylene diene rubber and nitrile rubber as major ingredient, it is foamed using foaming agent, generation is porous simultaneously
And preserve, can with absorption of noise, with components such as pitch, carbon black, corundum powder, polyacrylonitrile fibre, zinc oxide as filler,
So that the adhesive property of product and acid-proof alkaline are improved, then using products such as coupling agent, vulcanizing agents, form an entirety.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (5)
1. a kind of oil resistant and the good antinoise rubber of acid-proof alkaline, it is characterised in that be made up of according to weight portion following raw material：
Nitrile rubber 7-16 parts, ethylene propylene diene rubber 5-10 parts, coupling agent 1-3 parts, silicone oil 0.6-2.4 parts, zinc oxide 0.4-1 parts, drip
It is blue or green 2-5 parts, carbon black 8-14 parts, foaming agent 1-4 parts, vulcanizing agent 0.5-2 parts, 1.5-4 parts of corundum powder, polyacrylonitrile fibre 0.5-
1.5 parts and dinoflagellate 2-6 parts.
2. oil resistant according to claim 1 and the good antinoise rubber of acid-proof alkaline, it is characterised in that the vulcanizing agent
Using sulphur, coupling agent uses silane coupler.
3. oil resistant according to claim 1 and 2 and the good antinoise rubber of acid-proof alkaline, it is characterised in that it is described just
The granularity of beautiful powder is 240-320 mesh.
4. the preparation method of the good antinoise rubber of a kind of oil resistant and acid-proof alkaline as described in claim 1-3 is any, its
It is characterised by, comprises the following steps that：
Step one, ethylene propylene diene rubber is put into pulverizer and is crushed, and the product after crushing is put into concentration for 0.5-1.2mol/
Soaked 30-45 minutes in the sodium bicarbonate solution of L, then be washed with deionized water to neutrality, obtain modified EPT rubber powder；
Step 2, during nitrile rubber, coupling agent, silicone oil, corundum powder and polyacrylonitrile fibre put into agitator tank, rises high temperature
It is 115-130 degrees Celsius to spend, and is stirred 0.5-2 hours, obtains the first mixture；
Step 3, dinoflagellate is put into the deionized water of 4-8 times of its weight, is decocted 3-5 times under being 65-87 degrees Celsius in temperature,
45-70 minutes every time, decoction liquor is filtered and merged, obtain dinoflagellate decoction liquor；
Step 4, to addition modified EPT rubber powder, the first decoction liquor, zinc oxide 0.4-1 parts, drip in the first mixture
Blue or green, carbon black and vulcanizing agent, and mix under the rotating speed of 300-450rpm, obtain final mixture；
Step 5, final mixture is put into mill and is plasticated, kneaded and sulfidization molding, you can obtain finished product.
5. the preparation method of oil resistant according to claim 4 and the good antinoise rubber of acid-proof alkaline, it is characterised in that
Mixing temperature in the step 4 is 50-65 degrees Celsius, and incorporation time is 80-150 minutes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257659.9A CN106916350A (en) | 2017-04-19 | 2017-04-19 | A kind of oil resistant and the good antinoise rubber of acid-proof alkaline and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257659.9A CN106916350A (en) | 2017-04-19 | 2017-04-19 | A kind of oil resistant and the good antinoise rubber of acid-proof alkaline and preparation method thereof |
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| CN106916350A true CN106916350A (en) | 2017-07-04 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106084338A (en) * | 2016-06-02 | 2016-11-09 | 上海交通大学 | A kind of soft high specific gravity rubber plastic foam material for sound insulation and noise reducing |
| CN106543500A (en) * | 2015-09-16 | 2017-03-29 | 国网智能电网研究院 | A kind of composite damping foam rubber material and preparation method thereof |
-
2017
- 2017-04-19 CN CN201710257659.9A patent/CN106916350A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543500A (en) * | 2015-09-16 | 2017-03-29 | 国网智能电网研究院 | A kind of composite damping foam rubber material and preparation method thereof |
| CN106084338A (en) * | 2016-06-02 | 2016-11-09 | 上海交通大学 | A kind of soft high specific gravity rubber plastic foam material for sound insulation and noise reducing |
Non-Patent Citations (1)
| Title |
|---|
| 周文英: "《导热高分子材料》", 30 April 2014, 国防工业出版社 * |
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Application publication date: 20170704 |