CN104448436A - Production process of high-performance butyronitrile magnetic rubber - Google Patents
Production process of high-performance butyronitrile magnetic rubber Download PDFInfo
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- CN104448436A CN104448436A CN201410712436.3A CN201410712436A CN104448436A CN 104448436 A CN104448436 A CN 104448436A CN 201410712436 A CN201410712436 A CN 201410712436A CN 104448436 A CN104448436 A CN 104448436A
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- butyronitrile
- rubber
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 19
- 239000005060 rubber Substances 0.000 title claims abstract description 19
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 23
- 239000006229 carbon black Substances 0.000 claims abstract description 11
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims abstract description 10
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims abstract description 10
- 239000006247 magnetic powder Substances 0.000 claims abstract description 9
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012763 reinforcing filler Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005987 sulfurization reaction Methods 0.000 claims description 25
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000004513 sizing Methods 0.000 claims description 19
- 238000010092 rubber production Methods 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 10
- 239000011787 zinc oxide Substances 0.000 claims description 10
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 235000010216 calcium carbonate Nutrition 0.000 claims description 8
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims description 7
- 229920013649 Paracril Polymers 0.000 claims description 7
- 235000021355 Stearic acid Nutrition 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 5
- 239000005864 Sulphur Substances 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000008117 stearic acid Substances 0.000 claims description 5
- 230000035882 stress Effects 0.000 claims description 5
- 239000004636 vulcanized rubber Substances 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002195 synergetic effect Effects 0.000 abstract description 4
- 230000005415 magnetization Effects 0.000 abstract description 3
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- 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
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/52—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders
- B29B7/56—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders with co-operating rollers, e.g. with repeated action, i.e. the material leaving a set of rollers being reconducted to the same set or being conducted to a next set
-
- 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
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a production process of high-performance butyronitrile magnetic rubber. The heat resistance of the rubber can be improved by adding an anti-aging agent in the production process; a synergic effect can be produced when an anti-aging agent RD and an anti-aging agent MB are collectively used, and the heat resisting effect is better; one or more of high-abrasion-resistance carbon black, calcium bicarbonate and diatomite are selected as reinforcing filler, so that the physical properties of the rubber can be greatly improved; relatively good comprehensive physical properties can be achieved by selecting high-abrasion-resistance carbon black to be synergic with calcium bicarbonate; barium ferrite magnetic powder is selected as magnetic powder, so that not only is the coercive force large, but also the high magnetic performance of the standard rubber can be stored after the rubber is subjected to saturated magnetization, and high and stable magnetic properties can be maintained for a long time.
Description
Technical field
The present invention relates to rubber production technology, is a kind of high-performance butyronitrile magnetic rubber production technique in particular.
Background technology
Paracril has excellent oil-proofness, and chemical-resistant stability is good, and processing characteristics is good, and along with third its relative density of refining nitrile content in its structure increases, vulcanization rate is accelerated, and tensile strength performance improves, but rebound performance declines, and winter hardiness is deteriorated.Due to the easy electric field polarization of the cyano group in paracril, thus dielectric properties decline, and are semi-conducting rubbers.Bonded permanent magnet adopts certain technique to be mixed by the binding agents such as permanent-magnet powder and Sample glue or Plastic superpolymer, and add Synergist S-421 95, the binding electromagnetic material made.Bonded permanent magnet good processability, can carry out punching press, cutting, punching and winding easily, and elasticity is better, not easy to crack and broken, be easy to work continuously, assemble and production efficiency high.Bonding magnetic private savings are widely used in many fields such as printing, small and special electric machine, medical and health, automobile, household electrical appliances, computer, communication equipment, office equipment, stationery, toy, advertisement.Because its loading level is large, its physical and mechanical properties and anti ageing property are had a strong impact on, but along with bonded permanent magnet industrial expansion, require that we not only will pay close attention to the magnetic property of bonded permanent magnet, higher requirement is all put forward to its physical mechanical energy and anti ageing property etc.
Summary of the invention
The invention provides a kind of high-performance butyronitrile magnetic rubber production technique, for realizing object of the present invention, technical scheme of the present invention is as follows:
A kind of high-performance butyronitrile magnetic rubber production technique, its concrete steps comprise:
(1) first plasticate paracril 4-6min, add stearic acid, promotor, the mixing 2-4min of zinc oxide, add the mixing 2-3min of 50% filler afterwards, finally add the mixing 4-6min of filler of residue 50% again, add magnetic, reinforcing filler, anti-aging agent continue mixing 1-2min;
(2) by after above-mentioned bin aging 12h, sending into mill carries out mixing, roller temperature controls at 40-50 DEG C, after sizing material bag roller 2-3min, add sulphur and continue mixing 2-3min, subsequently roll spacing is adjusted to 1mm, beat triangle bag thin-pass 5-6 time, last sizing material bag roller bottom sheet, the bottom sheet time is about 1-2min;
(3) by sizing material after 16h is parked in rubber unvulcanizate room, vulcanizing press carries out sulfuration, and sulfide stress position 15-20Mpa, obtains butadiene-acrylonitrile-rubber vulcanized rubber after sulfuration 10-20min.
Preferably, in described step (1), stearic add-on is 1-1.5%, promotor is 1-2%, and zinc oxide is 5-6%.
Preferably, the magnetic in described step (1) selects barium ferrite magnetic powder, sends in magnet charger before addition and first magnetizes.
Preferably, step (1) MR medium reinforcing weighting agent is made up of one or more in high wear-resistant carbon black, Calcium hydrogen carbonate, diatomite.
Preferably, in step (1), anti-aging agent is made up of one or more in anti-aging agent RD, antioxidant MB, antioxidant BLE, antioxidant D, paraffin.
Preferably, in step (3), curing temperature controls is three sections, sulfuration 4-6min at sulfuration 2-4min at first paragraph 120-130 DEG C, second segment 130-140 DEG C, sulfuration 4-10min at the 3rd section 140-170 DEG C.
Beneficial effect: the invention provides a kind of high-performance butyronitrile magnetic rubber production technique, add the thermotolerance that anti-aging agent improves sizing material in process of production, and adopt anti-aging agent RD and antioxidant MB also with producing synergistic effect, heat-resisting effect is better, reinforcing filler selects high wear-resistant carbon black, Calcium hydrogen carbonate, one or more in diatomite, substantially increase the physical property of sizing material, particularly select high wear-resistant carbon black can obtain reasonable comprehensive physical property in Calcium hydrogen carbonate synergy, magnetic selects barium ferrite magnetic powder, not only coercive force is high, after saturation magnetization, the magnetic property that mark glue is high can be stored, strong and stable magnetic is kept in long-time.
Embodiment
The technique means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
Embodiment 1:
A kind of high-performance butyronitrile magnetic rubber production technique, its concrete steps comprise:
(1) first plasticate paracril 4min, add stearic acid, promotor, the mixing 2min of zinc oxide, add the mixing 2min of 50% filler afterwards, finally add the mixing 4min of filler of residue 50% again, add magnetic, reinforcing filler, anti-aging agent continue mixing 1min;
(2) by after above-mentioned bin aging 12h, send into mill and carry out mixing, roller temperature controls at 40 DEG C, after sizing material bag roller 2min, add sulphur and continue mixing 2min, subsequently roll spacing is adjusted to 1mm, beat triangle bag thin-pass 5 times, last sizing material bag roller bottom sheet, the bottom sheet time is about 1min;
(3) by sizing material after 16h is parked in rubber unvulcanizate room, vulcanizing press carries out sulfuration, and sulfide stress position 15Mpa, obtains butadiene-acrylonitrile-rubber vulcanized rubber after sulfuration 10min.
Wherein, in described step (1), stearic add-on is 1%, promotor is 1%, zinc oxide is that 5% magnetic selects barium ferrite magnetic powder, send in magnet charger before addition and first magnetize, step (1) MR medium reinforcing weighting agent is by high wear-resistant carbon black, Calcium hydrogen carbonate, diatomite forms, in step (1), anti-aging agent is by anti-aging agent RD, antioxidant MB, antioxidant BLE, antioxidant D, form in paraffin, in step (3), curing temperature controls is three sections, sulfuration 2min at first paragraph 120 DEG C, sulfuration 4min at second segment 130 DEG C, sulfuration 4min at 3rd section 140 DEG C.
Embodiment 2:
A kind of high-performance butyronitrile magnetic rubber production technique, its concrete steps comprise:
(1) first plasticate paracril 5min, add stearic acid, promotor, the mixing 3min of zinc oxide, add the mixing 2.5min of 50% filler afterwards, finally add the mixing 5min of filler of residue 50% again, add magnetic, reinforcing filler, anti-aging agent continue mixing 1.5min;
(2) by after above-mentioned bin aging 12h, send into mill and carry out mixing, roller temperature controls at 45 DEG C, after sizing material bag roller 2.5min, add sulphur and continue mixing 2.5min, subsequently roll spacing is adjusted to 1mm, beat triangle bag thin-pass 5 times, last sizing material bag roller bottom sheet, the bottom sheet time is about 1.5min;
(3) by sizing material after 16h is parked in rubber unvulcanizate room, vulcanizing press carries out sulfuration, and sulfide stress position 17Mpa, obtains butadiene-acrylonitrile-rubber vulcanized rubber after sulfuration 15min.
Wherein, in described step (1), stearic add-on is 1%, promotor is 2%, zinc oxide is that 6% magnetic selects barium ferrite magnetic powder, send in magnet charger before addition and first magnetize, step (1) MR medium reinforcing weighting agent is made up of high wear-resistant carbon black, Calcium hydrogen carbonate, in step (1), anti-aging agent is made up of anti-aging agent RD, antioxidant MB, antioxidant BLE, in step (3), curing temperature controls is three sections, sulfuration 3min at first paragraph 125 DEG C, sulfuration 5min at second segment 135 DEG C, sulfuration 5min at the 3rd section 150 DEG C.
Embodiment 3:
A kind of high-performance butyronitrile magnetic rubber production technique, its concrete steps comprise:
(1) first plasticate paracril 6min, add stearic acid, promotor, the mixing 4min of zinc oxide, add the mixing 3min of 50% filler afterwards, finally add the mixing 6min of filler of residue 50% again, add magnetic, reinforcing filler, anti-aging agent continue mixing 2min;
(2) by after above-mentioned bin aging 12h, send into mill and carry out mixing, roller temperature controls at 50 DEG C, after sizing material bag roller 3min, add sulphur and continue mixing 3min, subsequently roll spacing is adjusted to 1mm, beat triangle bag thin-pass 6 times, last sizing material bag roller bottom sheet, the bottom sheet time is about 2min;
(3) by sizing material after 16h is parked in rubber unvulcanizate room, vulcanizing press carries out sulfuration, and sulfide stress position 20Mpa, obtains butadiene-acrylonitrile-rubber vulcanized rubber after sulfuration 20min.
Wherein, in described step (1), stearic add-on is 1.5%, promotor is 2%, zinc oxide is that 6% magnetic selects barium ferrite magnetic powder, send in magnet charger before addition and first magnetize, step (1) MR medium reinforcing weighting agent is made up of high wear-resistant carbon black, diatomite, in step (1), anti-aging agent is made up of antioxidant MB, antioxidant BLE, antioxidant D, in step (3), curing temperature controls is three sections, sulfuration 4min at first paragraph 130 DEG C, sulfuration 6min at second segment 140 DEG C, sulfuration 10min at the 3rd section 170 DEG C.
| Continue your A hardness | Tensile strength | Magnetic property | |
| Embodiment 1 | 82 degree | 5.1Mpa | High |
| Embodiment 2 | 76 degree | 5.7Mpa | High |
| Embodiment 3 | 81 degree | 4.9Mpa | High |
Can be drawn by above table data, when using embodiment 2 parameter, your hardness of continuing of the butyronitrile magnetic rubber produced is higher, tensile strength and magnetic property high, be now more conducive to the production of rubber.
The invention provides a kind of high-performance butyronitrile magnetic rubber production technique, add the thermotolerance that anti-aging agent improves sizing material in process of production, and adopt anti-aging agent RD and antioxidant MB also with producing synergistic effect, heat-resisting effect is better, reinforcing filler selects high wear-resistant carbon black, Calcium hydrogen carbonate, one or more in diatomite, substantially increase the physical property of sizing material, particularly select high wear-resistant carbon black can obtain reasonable comprehensive physical property in Calcium hydrogen carbonate synergy, magnetic selects barium ferrite magnetic powder, not only coercive force is high, after saturation magnetization, the magnetic property that mark glue is high can be stored, strong and stable magnetic is kept in long-time.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a high-performance butyronitrile magnetic rubber production technique, is characterized in that, its concrete steps comprise:
(1) first plasticate paracril 4-6min, add stearic acid, promotor, the mixing 2-4min of zinc oxide, add the mixing 2-3min of 50% filler afterwards, finally add the mixing 4-6min of filler of residue 50% again, add magnetic, reinforcing filler, anti-aging agent continue mixing 1-2min;
(2) by after above-mentioned bin aging 12h, send into mill and carry out mixing, roller temperature controls at 40-50 DEG C, after sizing material bag roller 2-3min, add sulphur and continue mixing 2-3min, subsequently roll spacing is adjusted to 1mm, beat triangle bag thin-pass 5-6 time, last sizing material bag roller bottom sheet, the bottom sheet time is about 1-2min;
(3) by sizing material after 16h is parked in rubber unvulcanizate room, vulcanizing press carries out sulfuration, and sulfide stress position 15-20Mpa, obtains butadiene-acrylonitrile-rubber vulcanized rubber after sulfuration 10-20min.
2. a kind of high-performance butyronitrile magnetic rubber production technique according to claim 1, is characterized in that, in described step (1), stearic add-on is 1-1.5%, promotor is 1-2%, and zinc oxide is 5-6%.
3. a kind of high-performance butyronitrile magnetic rubber production technique according to claim 1, it is characterized in that, the magnetic in described step (1) selects barium ferrite magnetic powder, sends in magnet charger before addition and first magnetizes.
4. a kind of high-performance butyronitrile magnetic rubber production technique according to claim 1, it is characterized in that, step (1) MR medium reinforcing weighting agent is made up of one or more in high wear-resistant carbon black, Calcium hydrogen carbonate, diatomite.
5. a kind of high-performance butyronitrile of one according to claim 1 magnetic rubber production technique, is characterized in that, in step (1), anti-aging agent is made up of one or more in anti-aging agent RD, antioxidant MB, antioxidant BLE, antioxidant D, paraffin.
6. a kind of high-performance butyronitrile magnetic green production art according to claim 1, it is characterized in that, in step (3), curing temperature controls is three sections, sulfuration 2-4min at first paragraph 120-130 DEG C, sulfuration 4-6min at second segment 130-140 DEG C, sulfuration 4-10min at the 3rd section 140-170 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712436.3A CN104448436A (en) | 2014-11-29 | 2014-11-29 | Production process of high-performance butyronitrile magnetic rubber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410712436.3A CN104448436A (en) | 2014-11-29 | 2014-11-29 | Production process of high-performance butyronitrile magnetic rubber |
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| CN104448436A true CN104448436A (en) | 2015-03-25 |
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| CN201410712436.3A Pending CN104448436A (en) | 2014-11-29 | 2014-11-29 | Production process of high-performance butyronitrile magnetic rubber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761762A (en) * | 2015-03-29 | 2015-07-08 | 安徽同丰橡塑工业有限公司 | Preparation process of chlorinated butadiene-nitrile rubber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913855A (en) * | 2010-08-24 | 2010-12-15 | 中北大学 | Preparation method of iron strontium oxide magnetic nanoparticles and magnetic damping rubber thereof |
| CN102226018A (en) * | 2011-06-02 | 2011-10-26 | 安徽中鼎密封件股份有限公司 | Magnetizable rubber and preparation method thereof |
| CN102875910A (en) * | 2012-10-26 | 2013-01-16 | 浙江大学 | Method for enhancing damping capacity of rubber by adding samarium-cobalt magnetic powder |
| CN102942719A (en) * | 2012-09-28 | 2013-02-27 | 青岛科技大学 | Magnetic composite material for multistage magnetic encoder and preparation method thereof |
-
2014
- 2014-11-29 CN CN201410712436.3A patent/CN104448436A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913855A (en) * | 2010-08-24 | 2010-12-15 | 中北大学 | Preparation method of iron strontium oxide magnetic nanoparticles and magnetic damping rubber thereof |
| CN102226018A (en) * | 2011-06-02 | 2011-10-26 | 安徽中鼎密封件股份有限公司 | Magnetizable rubber and preparation method thereof |
| CN102942719A (en) * | 2012-09-28 | 2013-02-27 | 青岛科技大学 | Magnetic composite material for multistage magnetic encoder and preparation method thereof |
| CN102875910A (en) * | 2012-10-26 | 2013-01-16 | 浙江大学 | Method for enhancing damping capacity of rubber by adding samarium-cobalt magnetic powder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761762A (en) * | 2015-03-29 | 2015-07-08 | 安徽同丰橡塑工业有限公司 | Preparation process of chlorinated butadiene-nitrile rubber |
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