CN108084516A - A kind of magnetic rubber and preparation method thereof - Google Patents
A kind of magnetic rubber and preparation method thereof Download PDFInfo
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- CN108084516A CN108084516A CN201611023377.4A CN201611023377A CN108084516A CN 108084516 A CN108084516 A CN 108084516A CN 201611023377 A CN201611023377 A CN 201611023377A CN 108084516 A CN108084516 A CN 108084516A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- 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
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
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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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K2201/01—Magnetic additives
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to technical field of rubber material, are related to a kind of magnetic rubber and preparation method thereof.A kind of magnetic rubber of the present invention, is prepared by the raw material of following parts by weight：80 120 parts of nitrile rubber, 40 60 parts of carbon black, 13 parts of anti-aging agent RD, 24 parts of stearic acid, 24 parts of zinc oxide, 46 parts of plasticizer, dispersant 57,58 parts of sulphur, 13 parts of accelerant CZ, 20 40 parts of strontium ferrite；The magnetic material that ring magnetic rubber of the present invention is added is strontium ferrite, and magnetic rubber of the present invention has many advantages, such as to retain higher remanent magnetism after magnetizing；Preparation method materials of the present invention are simple, easy to operate.
Description
Technical field
The invention belongs to technical field of rubber material, are related to a kind of magnetic rubber and preparation method thereof.
Background technology
Magnetic rubber purposes is quite extensive.With the continuous progress of science and technology, the application of magnetic rubber is also maked rapid progress
Variation, sealing strip, sealing ring, electromagnetic shielding, etc. fields be widely used.As refrigerator sealing strip, computer are deposited
Storage and memory storage, electromagnetic screen, television acoustics, teaching aid, toy and medical instrument.
Since rubber substrate is without magnetism, magnetic essentially from the magnetic powder largely filled, therefore the magnetic powder of magnetic rubber
Species influences the performance of magnetic rubber very big.Soft magnetism class rubber can add soft magnetic metal magnetic powder such as iron cobalt powder, iron nickel powder
Deng.But if the remanent magnetism that Yi Shang rubber retains after magnetizing is less, therefore, it is higher to invent the remanent magnetism retained after a kind of rubber magnetizes
Magnetic rubber is particularly important.
The content of the invention
In view of the problems of the existing technology, it is an object of the invention to provide a kind of epoxidation rare-earth isoprene rubber and its
Preparation method.The magnetic material that ring magnetic rubber of the present invention is added is strontium ferrite, and magnetic rubber of the present invention is with after magnetizing
The advantages that retaining higher remanent magnetism；Preparation method materials of the present invention are simple, easy to operate.
In order to solve the above technical problems, the technical solution adopted by the present invention is.
A kind of magnetic rubber is prepared by the raw material of following parts by weight：80-120 parts of nitrile rubber, carbon black 40-60
Part, 1-3 parts of anti-aging agent RD, 2-4 parts of stearic acid, 2-4 parts of zinc oxide, 4-6 parts, dispersant 5-7 of plasticizer, 5-8 parts of sulphur, promotion
CZ1-3 parts of agent, 20-40 parts of strontium ferrite；
The magnetic rubber is prepared by the raw material of following parts by weight：100 parts of nitrile rubber, 50 parts of carbon black, anti-aging agent
RD2 parts, 3 parts of stearic acid, 3 parts of zinc oxide, 5 parts of plasticizer, dispersant 6,7 parts of sulphur, 2 parts of accelerant CZ, 30 parts of strontium ferrite；
The anti-aging agent RD is 2,2,4- trimethyl -1,2- dihyaroquinolines；
The plasticizer is o-phthalic acid dibutyl ester；
The accelerant CZ is N- cyclohexyls -2-[4-morpholinodithio sulfenamide；
A kind of preparation method of magnetic rubber, step are as follows：
（1）Nitrile rubber, carbon black are put into mill on open mill, add in 2,2,4- trimethyl -1,2- dihyaroquinolines, mixing is equal
It is even, the batch mixing of system；
（2）By above-mentioned batch mixing, it is heat-treated at 120 DEG C -160 DEG C of high temperature hot-rolling, is cooled to room temperature, adds in stearic acid, oxygen
Change zinc, o-phthalic acid dibutyl ester, dispersant, sulphur, N- cyclohexyls -2-[4-morpholinodithio sulfenamide, strontium ferrite, the glue of system
Material；
（3）By step（2）Obtained sizing material is put into vulcanizing press vulcanization, finished product.
The step（2）In heat treatment time be 7-12min；
The step（3）Middle curing temperature is 125-155 DEG C, vulcanization time 15-25min；
The step（3）Middle sulfide stress is 10-15MPa.
Beneficial effects of the present invention：
The filler strontium ferrite that rubber substrate of the present invention adds in hard magnetic in nitrile rubber base material obtains permanent magnetism class magnetic rubber.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions are simply for the feature and advantage that further illustrate the present invention rather than to the claims in the present invention
Limitation.
Embodiment 1
Respectively by each component specified in following table 1, raw material is weighed.
Preparation process is as follows：
Nitrile rubber, carbon black are put into mill on open mill, add in 2,2,4- trimethyl -1,2- dihyaroquinolines, is uniformly mixed,
The batch mixing of system；By batch mixing, it is heat-treated at 120 DEG C -160 DEG C of high temperature hot-rolling, heat treatment time 7-12min is cooled to
Room temperature adds in stearic acid, zinc oxide, o-phthalic acid dibutyl ester, dispersant, sulphur, N- cyclohexyls -2-[4-morpholinodithio time sulphonyl
Amine, strontium ferrite, the sizing material of system；By sizing material, vulcanizing press vulcanization is put into, curing temperature is 125-155 DEG C, and vulcanization time is
15-25min finished products, sulfide stress 10-15MPa.
Test result is listed in table 2.
Embodiment 2
The method that embodiment 1 is repeated by each component content specified in following table 1.
Test result is listed in table 2.
Embodiment 3
The method that embodiment 1 is repeated by each component content specified in following table 1.
Test result is listed in table 2.
The raw material proportioning table of 1 embodiment 1-3 of table
| Each component content and number | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Nitrile rubber | 80 parts | 100 parts | 120 parts |
| Carbon black | 40 parts | 50 parts | 60 parts |
| 2,2,4- trimethyl -1,2- dihyaroquinolines | 1 part | 2 parts | 3 parts |
| Stearic acid | 2 parts | 3 parts | 4 parts |
| Zinc oxide | 2 parts | 3 parts | 4 parts |
| O-phthalic acid dibutyl ester | 4 parts | 5 parts | 6 parts |
| Dispersant | 5 parts | 6 parts | 7 parts |
| Sulphur | 6 parts | 6 parts | 8 parts |
| N- cyclohexyls -2-[4-morpholinodithio sulfenamide | 1 part | 2 parts | 3 parts |
| Strontium ferrite | 20 parts | 30 parts | 40 parts |
First, performance detection
Magnetic rubber magnetic behavior is prepared to embodiment 1-3 and is detected result and the progress of iron cobalt powder glue magnetic rubber magnetic behavior
Comparison, as shown in table 2.
Table 2
| Project/number | Embodiment 1 | Embodiment 2 | Embodiment 3 | Iron cobalt powder glue magnetic rubber |
| Saturation magnetization (emu/g) | 15.63 | 15.81 | 15.94 | 5 |
| Remanent magnetization (emu/g) | 11.08 | 12.12 | 13.31 | 7 |
| Coercivity (Oe) | 4000.6 | 4011.8 | 4019.6 | 3000 |
As shown in Table 2, embodiment 1-3 prepares magnetic rubber magnetic behavior and is detected result and iron cobalt powder glue magnetic rubber magnetism
Performance is compared, and magnetic behavior is better than in iron cobalt powder glue magnetic rubber, and magnetic force is more preferable.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
The described technical solution of inventive embodiments, it will be understood by those of ordinary skill in the art that, still the present invention can be carried out
Modification or equivalent substitution, to reach identical technique effect；As long as meeting using needs, all protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of magnetic damping rubber, it is characterised in that：It is prepared by the raw material of following parts by weight：Nitrile rubber 80-120
Part, 40-60 parts of carbon black, 1-3 parts of anti-aging agent RD, 2-4 parts of stearic acid, 2-4 parts of zinc oxide, 4-6 parts, dispersant 5-7 of plasticizer, sulphur
5-8 parts of sulphur, 1-3 parts of accelerant CZ, 20-40 parts of strontium ferrite.
2. magnetic damping rubber according to claim 1, it is characterised in that：By the raw material preparation of following parts by weight
Into：100 parts of nitrile rubber, 50 parts of carbon black, 2 parts of anti-aging agent RD, 3 parts of stearic acid, 3 parts of zinc oxide, 5 parts of plasticizer, dispersant 6,
7 parts of sulphur, 2 parts of accelerant CZ, 30 parts of strontium ferrite.
3. magnetic damping rubber according to claim 1, it is characterised in that：The anti-aging agent RD is 2,2,4- front threes
Base -1,2- dihyaroquinolines.
4. magnetic damping rubber according to claim 1, it is characterised in that：The plasticizer is pungent for phthalic acid two
Fat.
5. magnetic damping rubber according to claim 1, it is characterised in that：The accelerant CZ is N- cyclohexyls -2-
Benzothiazole sulfenamide.
6. a kind of preparation method of any magnetic damping rubber according to claim 1-5, it is characterised in that：Step is such as
Under：
（1）Nitrile rubber, carbon black are put into mill on open mill, add in 2,2,4- trimethyl -1,2- dihyaroquinolines, mixing is equal
It is even, the batch mixing of system；
（2）By above-mentioned batch mixing, it is heat-treated at 120 DEG C -160 DEG C of high temperature hot-rolling, is cooled to room temperature, adds in stearic acid, oxygen
Change zinc, o-phthalic acid dibutyl ester, dispersant, sulphur, N- cyclohexyls -2-[4-morpholinodithio sulfenamide, strontium ferrite, the glue of system
Material；
（3）By step（2）Obtained sizing material is put into vulcanizing press vulcanization, finished product.
7. the preparation method of magnetic damping rubber according to claim 6, it is characterised in that：The step（2）In heat
Processing time is 7-12min.
8. the preparation method of magnetic damping rubber according to claim 6, it is characterised in that：The step（3）Middle vulcanization
Temperature is 125-155 DEG C, vulcanization time 15-25min.
9. the preparation method of magnetic damping rubber according to claim 6, it is characterised in that：The step（3）Middle vulcanization
Pressure is 10-15MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023377.4A CN108084516A (en) | 2016-11-21 | 2016-11-21 | A kind of magnetic rubber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023377.4A CN108084516A (en) | 2016-11-21 | 2016-11-21 | A kind of magnetic rubber and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108084516A true CN108084516A (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611023377.4A Pending CN108084516A (en) | 2016-11-21 | 2016-11-21 | A kind of magnetic rubber and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063334A (en) * | 2021-11-26 | 2022-02-18 | 深圳市海菲光电发展有限公司 | Anti-electromagnetic interference liquid crystal display screen |
-
2016
- 2016-11-21 CN CN201611023377.4A patent/CN108084516A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063334A (en) * | 2021-11-26 | 2022-02-18 | 深圳市海菲光电发展有限公司 | Anti-electromagnetic interference liquid crystal display screen |
| CN114063334B (en) * | 2021-11-26 | 2024-03-22 | 深圳市海菲光电发展有限公司 | Anti-electromagnetic interference liquid crystal display |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180529 |