CN109608721A - A kind of preparation method of modified styrene butadiene rubber composite material - Google Patents
A kind of preparation method of modified styrene butadiene rubber composite material Download PDFInfo
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- CN109608721A CN109608721A CN201811575892.2A CN201811575892A CN109608721A CN 109608721 A CN109608721 A CN 109608721A CN 201811575892 A CN201811575892 A CN 201811575892A CN 109608721 A CN109608721 A CN 109608721A
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- CN
- China
- Prior art keywords
- composite material
- preparation
- styrene butadiene
- butadiene rubber
- modified styrene
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- 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
-
- 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
Abstract
A kind of preparation method of modified styrene butadiene rubber composite material, belong to field of material preparation, it is characterized by comprising following steps: using torque rheometer, it is firstly added SBR mixing, then stearic acid, zinc oxide and accelerant CZ is added to be kneaded, adds white carbon black, KH-550 or EPDM-g-MMH or EE-UG is kneaded back glue；It is then added to sulphurization on opening rubber mixing machine, rubber compound is made in Bao Tonghou bottom sheet；After parking on vulcanizing press sulfidization molding, composite material is made.The mechanical property and wearability of SBR/ white carbon black composite material are improved, property of compression fatigue is improved；There is more excellent mechanical property using EEUG modified SBR/ white carbon black composite material.
Description
Technical field
The invention belongs to field of material preparation more particularly to a kind of preparation methods of modified styrene butadiene rubber composite material.
Background technique
Develop recently as auto industry to high speed, safety, comfortable and energy conservation and environmental protection direction, to tire it is anti-slippery,
Low rolling resistance and high abrasion etc. propose increasingly higher demands.Carbon black and white carbon black are that two classes are most important in rubber industry
Reinforcing agent, high-dispersity white carbon black, which is widely used in part alternative carbon black, white carbon black, can not reduce wheel for tyre stock
Under the premise of tire anti-slippery and wearability, its rolling resistance is effectively reduced, advantageously reduces oil consumption, energy saving.However, by
In white carbon black surface there are a large amount of silicone hydroxyl, lead to its difficulties in dispersion in non-polar rubber, it is difficult to be formed more with rubber matrix
More coupling keys, the reduction of the undesirable processing performance for causing sizing material, mechanics and dynamic mechanical of reinforcing effect, and can prolong
Vulcanization late.To solve the dispersion of the white carbon black in non-polar rubber, it is modified that surface usually is carried out to white carbon black.White carbon black table
It is modified that the modified method in face is broadly divided into chemical modification, physics cladding and interface modifier.Chemic modified method can reduce silicon
Hydroxyl activity is to improve the dispersibility of white carbon black, but technique is relative complex.Physics coating modification method simple process, but repeatability
It is poor.In recent years, improve polar polymer or polar filler as interface modifier using the polymer for containing polar group
With the compatibility of non-polar polymer, due to its simple process, effect is ideal the advantages that more and more paid attention to.Gutta-percha
After epoxidation modification, molecular backbone introduces more polarity epoxy group and simultaneously maintains its backbone structure substantially, this make its with it is non-
Polar rubber had both had a preferable compatibility, at the same can also with the Electronic interactions on white carbon black surface, to play boundary
The modified effect in face.
Summary of the invention
The present invention is intended to provide a kind of preparation method of modified styrene butadiene rubber composite material.
The preparation method of modified styrene butadiene rubber composite material of the present invention includes the following steps: using torque rheometer,
Be firstly added SBR and be kneaded 1 min, stearic acid is then added, zinc oxide and accelerant CZ are kneaded 1-3 min, add white carbon black,
KH-550 or EPDM-g-MMH or EE-UG is kneaded 3 min back glues；It is then added to sulphurization on opening rubber mixing machine,
Rubber compound is made in bottom sheet after thin logical 5-6 times；The sulfidization molding on vulcanizing press is parked after 24 h, composite material is made.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the formula (mass parts) of the composite material
Are as follows: SBR 100, white carbon black 35-40, zinc oxide 3-5, stearic acid Hst 3-6, accelerant CZ 1-1.5, Sulfur 2-2.5, KH-
550 3-3.5, EPDM-g-MMH 2.5-3, EEUG 3-4.
The preparation method of modified styrene butadiene rubber composite material of the present invention, 160 DEG C of the curing temperature, sulfide stress
For 15 MPa, vulcanization time takes sulfurizing time.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the torque rheometer setting temperature is 75
DEG C, the speed of rotation is 60 r/min.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the formula (quality of the composite material
Part) are as follows: SBR 100, white carbon black 40, zinc oxide 5, stearic acid Hst 3, accelerant CZ 1, Sulfur 2.5, KH-550 3.2,
EPDM-g-MMH2.6, EEUG3.5.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the model HS of the vulcanizing press
1007-RTMO type vulcanizing press.
The preparation method of modified styrene butadiene rubber composite material of the present invention, epoxidation gutta-percha (EEUG) are used as modifying agent
Influence to butadiene-styrene rubber (SBR)/white carbon black composite material performance and white carbon black dispersibility, and with coupling agent KH-550 and big
The composite material that molecular interface modifying agent grafting maleic anhydride with ethylene propylene terpolymer-makees modifying agent preparation is compared.EEUG,
EPDM-g-MMH and KH-550 can reduce vulcanization delay effect caused by white carbon black, improve the power of SBR/ white carbon black composite material
Performance and wearability are learned, property of compression fatigue is improved；Had using EEUG modified SBR/ white carbon black composite material more excellent
Mechanical property.
Specific embodiment
It is illustrated below by preparation method of the embodiment to modified styrene butadiene rubber composite material of the present invention.
Embodiment one
The preparation method of modified styrene butadiene rubber composite material of the present invention includes the following steps: using torque rheometer, first
SBR is added and is kneaded 1 min, stearic acid, zinc oxide and accelerant CZ is then added and is kneaded 1 min, adds white carbon black, KH-550
Or EPDM-g-MMH or EE-UG is kneaded 3 min back glues；Then sulphurization on opening rubber mixing machine is added, after Bao Tong 5 times
Rubber compound is made in bottom sheet；The sulfidization molding on vulcanizing press is parked after 24 h, composite material is made.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the formula (mass parts) of the composite material
Are as follows: SBR 100, white carbon black 35, zinc oxide 3, stearic acid Hst 3, accelerant CZ 1, Sulfur 2, KH-550 3, EPDM-g-MMH
2.5, EEUG 3.
The preparation method of modified styrene butadiene rubber composite material of the present invention, 160 DEG C of the curing temperature, sulfide stress
For 15 MPa, vulcanization time takes sulfurizing time.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the torque rheometer setting temperature is 75
DEG C, the speed of rotation is 60 r/min.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the formula (quality of the composite material
Part) are as follows: SBR 100, white carbon black 40, zinc oxide 5, stearic acid Hst 3, accelerant CZ 1, Sulfur 2.5, KH-550 3.2,
EPDM-g-MMH2.6, EEUG3.5.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the model HS of the vulcanizing press
1007-RTMO type vulcanizing press.
Embodiment two
The preparation method of modified styrene butadiene rubber composite material of the present invention includes the following steps: using torque rheometer, first
SBR is added and is kneaded 1 min, stearic acid, zinc oxide and accelerant CZ is then added and is kneaded 2 min, adds white carbon black, KH-550
Or EPDM-g-MMH or EE-UG is kneaded 3 min back glues；It is then added to the x of Shanghai double-vane rubber and plastics machine Co., Ltd production
(S) rubber compound is made in sulphurization on K-160 type opening rubber mixing machine, bottom sheet after Bao Tong 5 times；In plate sulphur after parking for 24 hours
Sulfidization molding on change machine, is made composite material.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the formula (mass parts) of the composite material
Are as follows: SBR 100, white carbon black 36, zinc oxide 4, stearic acid Hst 5, accelerant CZ 1.3, Sulfur 2.3, KH-550 3.4, EPDM-
G-MMH 2.8, EEUG 3.5.
The preparation method of modified styrene butadiene rubber composite material of the present invention, 160 DEG C of the curing temperature, sulfide stress
For 15 MPa, vulcanization time takes sulfurizing time.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the torque rheometer setting temperature is 75
DEG C, the speed of rotation is 60 r/min.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the formula (quality of the composite material
Part) are as follows: SBR 100, white carbon black 40, zinc oxide 5, stearic acid Hst 3, accelerant CZ 1, Sulfur 2.5, KH-550 3.2,
EPDM-g-MMH2.6, EEUG3.5.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the model HS of the vulcanizing press
1007-RTMO type vulcanizing press.
Embodiment three
The preparation method of modified styrene butadiene rubber composite material of the present invention includes the following steps: using torque rheometer, first
SBR is added and is kneaded 1 min, stearic acid, zinc oxide and accelerant CZ is then added and is kneaded 3 min, adds white carbon black, KH-550
Or EPDM-g-MMH or EE-UG is kneaded 3 min back glues；It is then added to the x of Shanghai double-vane rubber and plastics machine Co., Ltd production
(S) rubber compound is made in sulphurization on K-160 type opening rubber mixing machine, bottom sheet after Bao Tong 6 times；It parks after 24 h in plate
Sulfidization molding on vulcanizer, is made composite material.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the formula (mass parts) of the composite material
Are as follows: SBR 100, white carbon black 40, zinc oxide 5, stearic acid Hst 6, accelerant CZ 1.5, Sulfur 2.5, KH-550 3.5, EPDM-
G-MMH 3, EEUG 4.
The preparation method of modified styrene butadiene rubber composite material of the present invention, 160 DEG C of the curing temperature, sulfide stress
For 15 MPa, vulcanization time takes sulfurizing time.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the torque rheometer setting temperature is 75
DEG C, the speed of rotation is 60 r/min.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the formula (quality of the composite material
Part) are as follows: SBR 100, white carbon black 40, zinc oxide 5, stearic acid Hst 3, accelerant CZ 1, Sulfur 2.5, KH-550 3.2,
EPDM-g-MMH2.6, EEUG3.5.
The preparation method of modified styrene butadiene rubber composite material of the present invention, the model HS of the vulcanizing press
1007-RTMO type vulcanizing press.
With the increase of strain, the fissipation factor of rubber compound is in non-linear increase, and the fissipation factor under low strain dynamic is protected substantially
Hold constant, this is mainly due to when low strain dynamic, amplitude is smaller to be not enough to break and fill out in the entanglement effect and sizing material of rubber molecular chain
Expect the network structure of aggregation.Coupling agent KH-550, macromolecule interfacial modifier EPDM-g-MMH and EEUG are modified rubber compound
Fissipation factor is all larger than the fissipation factor for not adding modifying agent rubber compound, this is because coupling agent KH -550, macromolecular interface modification
Agent EPDM-g-MMH and EEUG can reduce reunion of the white carbon black in SBR, improve its dispersibility, so that more packets
Hold rubber to be released, the lag of rubber molecular chain increases under alternate stress effect, and the fissipation factor of sizing material is caused to increase.Separately
Outside, fissipation factor increases so that the stickiness of rubber compound increases, this can reduce the die swell effect of extruded product, is conducive to it
The stabilization of size.
Coupling agent KH-550, macromolecule interfacial modifier EPDM-g-MMH and EEUG vulcanize SBR/ white carbon black compound system
The tensile strength and stress at definite elongation of glue are all larger than the vulcanizate for not adding modifying agent, but the addition of modifying agent is to the shadow of elongation at break
Sound is smaller.The DIN wear volume person that is not respectively less than added modifying agent of modifying agent vulcanizate is added, i.e. the addition of modifying agent improves
The wearability of SBR/ white carbon black composite material.Compared with coupling agent KH-550 and EPDM-g-MMH, EEUG modified SBR/ is white
Carbon black compound system vulcanizate has superior physical mechanical property, this may be to be changed by gutta-percha through epoxidation due to EEUG
Property obtains, and not only introduces the molecular chain structure that epoxy group also largely remains gutta-percha, makes it can not only be with
The silicone hydroxyl on white carbon black surface interacts, while having preferable compatibility with SBR, and co-vulcanization effect can also occur therewith,
And then there is preferably modified effect to SBR/ white carbon black compound system vulcanizate.
Claims (6)
1. a kind of preparation method of modified styrene butadiene rubber composite material, it is characterised in that include the following steps: using torque rheology
Instrument, is firstly added SBR and is kneaded 1 min, and stearic acid, zinc oxide and accelerant CZ is then added and is kneaded 1-3 min, adds hard charcoal
Black, KH-550 or EPDM-g-MMH or EE-UG is kneaded 3 min back glues；It is mixed to be then added to sulphurization on opening rubber mixing machine
Refining, Bao Tong 5-6 times rear bottom sheet, is made rubber compound；The sulfidization molding on vulcanizing press is parked after 24 h, composite material is made.
2. the preparation method of modified styrene butadiene rubber composite material according to claim 1, it is characterised in that: the composite material
Formula (mass parts) are as follows: SBR 100, white carbon black 35-40, zinc oxide 3-5, stearic acid Hst 3-6, accelerant CZ 1-1.5,
Sulfur 2-2.5, KH-550 3-3.5, EPDM-g-MMH 2.5-3, EEUG 3-4.
3. the preparation method of modified styrene butadiene rubber composite material according to claim 2, it is characterised in that: the curing temperature
160 DEG C, sulfide stress is 15 MPa, and vulcanization time takes sulfurizing time.
4. the preparation method of modified styrene butadiene rubber composite material according to claim 3, it is characterised in that: the torque rheology
It is 75 DEG C that temperature, which is arranged, in instrument, and the speed of rotation is 60 r/min.
5. the preparation method of modified styrene butadiene rubber composite material according to claim 4, it is characterised in that: described compound
The formula (mass parts) of material are as follows: SBR 100, white carbon black 40, zinc oxide 5, stearic acid Hst 3, accelerant CZ 1, Sulfur 2.5,
KH-550 3.2, EPDM-g-MMH2.6, EEUG3.5.
6. the preparation method of modified styrene butadiene rubber composite material according to claim 5, it is characterised in that: the compression molding
The model HS 1007-RTMO type vulcanizing press of machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575892.2A CN109608721A (en) | 2018-12-22 | 2018-12-22 | A kind of preparation method of modified styrene butadiene rubber composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575892.2A CN109608721A (en) | 2018-12-22 | 2018-12-22 | A kind of preparation method of modified styrene butadiene rubber composite material |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811575892.2A Pending CN109608721A (en) | 2018-12-22 | 2018-12-22 | A kind of preparation method of modified styrene butadiene rubber composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218045A (en) * | 2020-03-24 | 2020-06-02 | 青岛科技大学 | Room temperature modified white carbon black reinforced styrene-butadiene rubber and preparation method of rubber compound |
| CN112980065A (en) * | 2021-03-03 | 2021-06-18 | 青岛科技大学 | Rubber composite material and preparation process and application thereof |
-
2018
- 2018-12-22 CN CN201811575892.2A patent/CN109608721A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218045A (en) * | 2020-03-24 | 2020-06-02 | 青岛科技大学 | Room temperature modified white carbon black reinforced styrene-butadiene rubber and preparation method of rubber compound |
| CN112980065A (en) * | 2021-03-03 | 2021-06-18 | 青岛科技大学 | Rubber composite material and preparation process and application thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190412 |
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