CN108329549A - A kind of modified diene hydrocarbon rubbers and preparation method thereof - Google Patents
A kind of modified diene hydrocarbon rubbers and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of modified diene hydrocarbon rubbers, are made of diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant；The amino modified agent includes formamide, acetamide, propionamide, N, one or more in N dimethylformamides, benzamide, succimide, phthalimide, acrylamide and polyacrylamide；The diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant mass ratio be 100：(0.1~1.0)：(1~50)：(1~10)：(1~5).Compared with prior art, the present invention changes the chain structure of diene hydrocarbon rubbers using amino modified agent so that the anti-slippery of diolefin vulcanization of rubber glue improves, while having preferable physical mechanical property and dynamic mechanical.The present invention also provides a kind of preparation methods of modified diene hydrocarbon rubbers.
Description
Technical field
The invention belongs to field of rubber technology more particularly to a kind of modified diene hydrocarbon rubbers and preparation method thereof.
Background technology
Diene hydrocarbon rubbers are the rubbers prepared through catalytic polymerization by diolefin (butadiene, isoprene etc. and its derivative)
The general name of glue material.Because diene hydrocarbon rubbers have the good characteristics such as high resiliency, low modulus, in automobile, building and appliance field
It is widely used.Automobile tire is the major consumers source of diene hydrocarbon rubbers, high wet-sliding resistant, low oil consumption and high-performance one
It is directly the theme that tyre rubber material is pursued.According to the actual vibration frequency of tire running, glue tangent value is lost in vulcanized rubber
(tan δ) and the relationship and time temperature equivalence WLF equation inferences of rolling resistance are understood：Under the conditions of 10~20HZ, 0 DEG C of vulcanized rubber
Tan δ values represent tire wet-sliding resistant performance, 60 DEG C of tan δ values represent tire drag (oil consumption), and tensile strength and tear
Resistance to spalling then represents the basic performance of tire.
The performance of diene hydrocarbon rubbers determines the performance of its vulcanizate, and then reflects the performance of tire.Usual feelings
The anti-slippery of tire, rolling resistance and wearability cannot improve simultaneously under condition, and the phenomenon is also by the title of researcher image
For " devil's triangle ".Therefore, at the same improve diene hydrocarbon rubbers anti-slippery, rolling resistance and its mechanical property be one urgently
It solves the problems, such as.
Invention content
The purpose of the present invention is to provide a kind of modified diene hydrocarbon rubbers and preparation method thereof, the modification diene in the present invention
Hydrocarbon rubbers have preferable anti-slippery, rolling resistance and mechanical property simultaneously.
The present invention provides a kind of modified diene hydrocarbon rubbers, by diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer with
Antioxidant is made；
The amino modified agent includes formamide, acetamide, propionamide, N, N- dimethylformamides, benzamide, succinyl
It is one or more in imines, phthalimide, acrylamide and polyacrylamide；
The diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant mass ratio be 100：(0.1~
1.0)：(1~50)：(1~10)：(1~5).
Preferably, the diene hydrocarbon rubbers are butadiene rubber, butadiene-styrene rubber, isoprene rubber or nitrile rubber.
Preferably, the initiator is that benzoyl peroxide, lauroyl peroxide, cumyl peroxide, azo two are different
Butyronitrile, azobisisoheptonitrile, N, two sulphur of N- tetramethyls double thiamides, the thio two carbon diamides of tetramethyl, the thio peroxides of tetraethyl
Change the one or more of two carbamides, tetra-sulfurized pair pentamethylene thiuram.
Preferably, the stabilizer is magnesia, lead oxide, dibutyl tin laurate, barium stearate and lead stearate
One or more of.
Preferably, the antioxidant is 2,2'- di-2-ethylhexylphosphine oxides-(4- methyl-6-tert-butylphenols), β-(3,5- bis- tertiary fourths
Base -4- hydroxy phenyls) propionic acid n-octadecyl alcohol ester and 2, one kind or more in 4- bis- (n-octylthiomethylene) -6- methylphenols
Kind.
The present invention provides a kind of preparation method of modified diene hydrocarbon rubbers, includes the following steps：
By diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant according to mass ratio be 100：(0.1~
1.0)：(1~50)：(1~10)：(1~5) hybrid reaction in mixer obtains modified diene hydrocarbon rubbers；
The amino modified agent includes formamide, acetamide (TAA), propionamide, N, N- dimethylformamides (DMF), benzene first
It is one or more in amide, succimide, phthalimide, acrylamide (AM) and polyacrylamide (PAM).
Preferably, the temperature of the reaction is 70~150 DEG C；
The time of the reaction is 1~10min.
Preferably, the rotor speed of the mixer is 20~80 revs/min.
The present invention provides a kind of modified diene hydrocarbon rubbers, by diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer
It is made with antioxidant；The amino modified agent includes formamide, acetamide (TAA), propionamide, N, N- dimethylformamides (DMF),
One kind or more in benzamide, succimide, phthalimide, acrylamide (AM) and polyacrylamide (PAM)
Kind；The diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant mass ratio be 100：(0.1~1.0)：(1
~50)：(1~10)：(1~5).Compared with prior art, the present invention changes the chain of diene hydrocarbon rubbers using amino modified agent
Structure so that the anti-slippery of diolefin vulcanization of rubber glue improves, and can improve the network of diene hydrocarbon rubbers and carbon black/White Carbon black
Change structure and interaction, to realize diolefin rubber molecule structure design and regulate and control the purpose of its hysteresis loss, makes modification
Diene hydrocarbon rubbers afterwards have preferable physical mechanical property and dynamic mechanical.On the other hand, diene hydrocarbon rubbers, initiation
Agent, amino modified dose, stabilizer mixed in mixer with antioxidant, make filler can be evenly dispersed in diene hydrocarbon rubbers,
The problem of filler is reunited in rubber is avoided, the performance of diolefin rubber product is effectively improved.The experimental results showed that changing
The tensile strength of diene hydrocarbon rubbers after property improves 6.4%~16.4%, and tearing strength improves 10.1%~38.4%, 60
DEG C tan δ values are basically unchanged, and 0 DEG C of tan δ value improves 13.3%~31.8%.
Specific implementation mode
The present invention provides a kind of modified diene hydrocarbon rubbers, by diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer
It is made with antioxidant；
The amino modified agent includes formamide, acetamide (TAA), propionamide, N, N- dimethylformamides (DMF), benzene first
It is one or more in amide, succimide, phthalimide, acrylamide (AM) and polyacrylamide (PAM)；
The diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant mass ratio be 100：(0.1~
1.0)：(1~50)：(1~10)：(1~5).
In the present invention, in order to make modified diene hydrocarbon rubbers be improved on the basis of keeping original rolling resistance performance
Its anti-slippery and physical mechanical property, the diene hydrocarbon rubbers are preferably butadiene-styrene rubber, isoprene rubber, butadiene rubber and butyronitrile
One or more of rubber.
In the present invention, the initiator is a kind of special auxiliary agent for promoting the activation of diene hydrocarbon rubbers double bond, is typically contained
Peroxy radicals or more methylthio groups.The initiator is preferably benzoyl peroxide (BPO), lauroyl peroxide (LPO), peroxide
Change diisopropylbenzene (DIPB) (DCP), azodiisobutyronitrile (AIBN), azobisisoheptonitrile (ABVN), N, the double thiamides of two sulphur of N- tetramethyls
(TMTD), the thio two carbon diamides (TMTM) of tetramethyl, the thio dicetyl peroxydicarbonate diamides (TETD) of tetraethyl, tetra-sulfurized pair
It is one or more in pentamethylene thiuram (DPTT).In the present invention, the mass ratio of the diene hydrocarbon rubbers and initiator is preferred
It is 100：(0.1~1.0), more preferably 100：(0.2~0.8), most preferably 100：(0.2~0.5), specifically, can be
100:0.1、100:0.2 or 100:0.5.
Amino modified agent for diolefin modified rubber aspect, can be increased the phase of diene hydrocarbon rubbers and filler by the present invention
Interaction makes modified diene hydrocarbon rubbers on the basis of keeping original excellent properties, improves anti-slippery and physical mechanical
Performance.The amino modified agent includes formamide, acetamide (TAA), propionamide, N, N- dimethylformamides (DMF), benzoyl
It is one or more in amine, succimide, phthalimide, acrylamide (AM) and polyacrylamide (PAM).It is described
Diene hydrocarbon rubbers and the mass ratio of amino modified agent are preferably 100：(1~50), more preferably 100：(5~30), most preferably
100：(5~10), specifically, can be 100:1、100:5 or 100:10.
In the present invention, the thermal stability of the stabilizer reinforcing material especially diene hydrocarbon rubbers, the stabilizer are excellent
It is selected as one or more in magnesia, lead oxide, dibutyl tin laurate, barium stearate and lead stearate.The diene
The mass ratio of hydrocarbon rubbers and stabilizer is 100：(1~10), more preferably 100：(3~8), specifically, can be 100:1、
100:5 or 100:10.
In the present invention, the antioxidant can improve the ageing-resistant performance of diene hydrocarbon rubbers.The antioxidant is preferably
2,2'- di-2-ethylhexylphosphine oxides-(4- methyl-6-tert-butylphenols), the positive octadecanol of β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid
It is one or more in ester, (the n-octylthiomethylene) -6- of 2,4- bis- methylphenols, antioxidant A and antioxidant RD.The diene
The mass ratio of hydrocarbon rubbers and antioxidant is preferably 100：(1~5).
The present invention also provides a kind of preparation methods of modified diene hydrocarbon rubbers, include the following steps：
By diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant according to mass ratio be 100：(0.1~
1.0)：(1~50)：(1~10)：(1~5) hybrid reaction in mixer obtains modified diene hydrocarbon rubbers；
The amino modified agent includes formamide, acetamide (TAA), propionamide, N, N- dimethylformamides (DMF), benzene first
It is one or more in amide, succimide, phthalimide, acrylamide (AM) and polyacrylamide (PAM).
In the present invention, type, the dosage of the diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant
With source with above diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant type, dosage and source
Unanimously, details are not described herein.
In the present invention, the temperature of the reaction is preferably 70~150 DEG C, more preferably 100~120 DEG C, specifically, can
To be 70 DEG C, 100 DEG C, 120 DEG C or 150 DEG C；The time of the reaction is preferably 1~10min, more preferably 2~8min, optimal
It is selected as 3~5min.The rotating speed of the rotor of the mixer is preferably 20~80 revs/min, more preferably 30~70 revs/min, optimal
It is selected as 40~60 revs/min.
The present invention also vulcanizes above-mentioned modified diene hydrocarbon rubbers (raw rubber), to be tested for the property to vulcanizate,
For different types of diolefin, vulcanization process is different, specifically, can refer to following methods：
Wherein, butadiene-styrene rubber is according to " lotion and polymerisation in solution type SBR styrene butadiene rubbers in GB/T 8656-1998
(SBR) A series in evaluation method ", method A are kneaded vulcanization, and mixing formula is the front/rear butadiene-styrene rubber of the modification of 100 parts by weight,
The stearic acid of 1 parts by weight, the zinc oxide of 3 parts by weight, the accelerator TBBS of 1 parts by weight, the charcoal of 50 parts by weight of universal industrial reference
It is black, the sulphur of 1.75 parts by weight；
Isoprene rubber is kneaded vulcanization according to international standard ISO 2303-2000 methods A, and mixing formula is 100 parts by weight
Modified front/rear isoprene rubber, the stearic acid of 2 parts by weight, the zinc oxide of 5 parts by weight, the accelerator TBBS of 0.7 parts by weight lead to
With the carbon black of 35 parts by weight of industrial reference, the sulphur of 2.25 parts by weight；
Butadiene rubber is filled according to non-in " polymerisation in solution type butadiene rubber (BR) evaluation method " in GB/T 8660-2008
Factice, method C2 are kneaded vulcanization, and mixing formula is the front/rear butadiene rubber of the modification of 100 parts by weight, the stearic acid of 2 parts by weight,
The zinc oxide of 3 parts by weight, the accelerator TBBS of 0.9 parts by weight, the carbon black of 60 parts by weight of universal industrial reference, 15 parts by weight
ASTM103#Operation oil, the sulphur of 1.5 parts by weight；
Nitrile rubber according to ASTMD3187-2006 rubber standard test method：NBR's (acrylonitrile butadiene rubber)
Assessment method is kneaded vulcanization, and mixing formula is the front/rear nitrile rubber of the modification of 100 parts by weight, the stearic acid of 1 parts by weight, 3 weights
Measure the zinc oxide of part, the accelerator TBBS of 0.7 parts by weight, the industrial reference IRB-7 carbon blacks of 40 parts by weight, the sulphur of 1.5 parts by weight
Sulphur.
The experimental results showed that the tensile strength of modified diene hydrocarbon rubbers improves 6.4%~16.4%, tearing strength
10.1%~38.4% is improved, 60 DEG C of tan δ values are basically unchanged, and 0 DEG C of tan δ value improves 13.3%~31.8%.
The present invention provides a kind of modified diene hydrocarbon rubbers, by diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer
It is made with antioxidant；The amino modified agent includes formamide, acetamide (TAA), propionamide, N, N- dimethylformamides (DMF),
One kind or more in benzamide, succimide, phthalimide, acrylamide (AM) and polyacrylamide (PAM)
Kind；The diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant mass ratio be 100：(0.1~1.0)：(1
~50)：(1~10)：(1~5).Compared with prior art, the present invention changes the chain of diene hydrocarbon rubbers using amino modified agent
Structure so that the anti-slippery of diolefin vulcanization of rubber glue improves, and can improve the network of diene hydrocarbon rubbers and carbon black/White Carbon black
Change structure and interaction, to realize diolefin rubber molecule structure design and regulate and control the purpose of its hysteresis loss, makes modification
Diene hydrocarbon rubbers afterwards have preferable physical mechanical property and dynamic mechanical.On the other hand, diene hydrocarbon rubbers, initiation
Agent, amino modified dose, stabilizer mixed in mixer with antioxidant, make filler can be evenly dispersed in diene hydrocarbon rubbers,
The problem of filler is reunited in rubber is avoided, the performance of diolefin rubber product is effectively improved.
In order to further illustrate the present invention, with reference to embodiments to a kind of modified diene hydrocarbon rubbers provided by the invention and
Preparation method is described in detail, but cannot be understood as limiting the scope of the present invention.
Diene hydrocarbon rubbers used by the embodiment of the present invention are butadiene-styrene rubber, isoprene rubber, ternary butadiene rubber and butyronitrile
Rubber, detailed producer's trade mark are shown in Table 1.
The manufacturer of 1. diene hydrocarbon rubbers of table and the trade mark
Embodiment 1
By butadiene-styrene rubber, BPO, TAA, magnesia and antioxidant 2,2'- di-2-ethylhexylphosphine oxides-(4- methyl-6-tert-butylphenols)
It is 100 according to mass ratio：0.1：1：1：1 mixes in mixer, 100 DEG C of mixing temperature, incorporation time 5 minutes, rotor speed
40 revs/min, obtain modified styrene butadiene rubber；
By the modified styrene butadiene rubber of 100 parts by weight, the stearic acid of 1 parts by weight, the zinc oxide of 3 parts by weight, the rush of 1 parts by weight
Sulphur into agent TBBS, the carbon black of 50 parts by weight, 1.75 parts by weight is kneaded in open mill, and vulcanization obtains vulcanizate；Tester
Mechanical performance is managed, as shown in table 2, table 2 is the physical mechanical property tables of data of vulcanizate manufactured in the present embodiment.
Embodiment 2
By isoprene rubber, AIBN, DMF, dibutyl tin laurate and β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid
Positive octadecanol ester is 100 according to mass ratio：0.5：5：5：5 mix in mixer, 70 DEG C of mixing temperature, rotor speed 40
Rev/min, incorporation time 5 minutes obtains modified isoprene rubber；
By the modification isoprene rubber of 100 parts by weight, the stearic acid of 2 parts by weight, the zinc oxide of 5 parts by weight, 0.7 parts by weight
The sulphur of accelerator TBBS, the carbon black of 35 parts by weight, 2.25 parts by weight is kneaded in open mill, obtains vulcanizate；Test physics
Mechanical performance, as shown in table 2, table 2 are the physical mechanical property tables of data of vulcanizate manufactured in the present embodiment.
Embodiment 3
By butadiene rubber, TMTD, AM, barium stearate and 2,4- bis- (n-octylthiomethylene) -6- methylphenols are according to matter
Amount is than being 100：0.5：5：1：1 mixes in mixer, and 120 DEG C of mixing temperature, 40 revs/min of rotor speed, incorporation time 5 is divided
Clock obtains modified butadiene rubber；
By the modification butadiene rubber of 100 parts by weight, the stearic acid of 2 parts by weight, the zinc oxide of 3 parts by weight, 0.9 parts by weight
Accelerator TBBS, the carbon black of 60 parts by weight, the ASTM103 of 15 parts by weight#Operation oil, the sulphur of 1.5 parts by weight is in open mill
It is kneaded, obtains vulcanizate；Test physical mechanical property, anti-slippery (0 DEG C of tan δ values) and rolling resistance (60 DEG C of tan δ
Value), as shown in table 2, table 2 be the physical mechanical property of vulcanizate manufactured in the present embodiment, anti-slippery (0 DEG C of tan δ values) with
Rolling resistance (60 DEG C of tan δ values) tables of data.
Embodiment 4
By nitrile rubber, DCP, PAM, lead stearate and 2,4- bis- (n-octylthiomethylene) -6- methylphenols are according to matter
Amount is than being 100：0.2：10：10：5 mix in mixer, and 150 DEG C of mixing temperature, 40 revs/min of rotor speed, incorporation time 5 is divided
Clock obtains modified butadiene acrylonitrile rubber；
By the modified butadiene acrylonitrile rubber of 100 parts by weight, the stearic acid of 1 parts by weight, the zinc oxide of 3 parts by weight, 0.7 parts by weight
Accelerator TBBS, the industrial reference IRB-7 carbon blacks of 40 parts by weight, the sulphur of 1.5 parts by weight are kneaded in open mill, are vulcanized
Glue；Physical mechanical property is tested, as shown in table 2, table 2 is the physical mechanical property tables of data of vulcanizate manufactured in the present embodiment.
Embodiment 5
By butadiene-styrene rubber, butadiene rubber, TMTM, AM, magnesia and 2,4- bis- (n-octylthiomethylene) -6- methylphenols
It is 80 according to mass ratio：20：0.5：10：1：1 mixing, other steps and formula are same as Example 3；Table 2 is the present embodiment system
Physical mechanical property, anti-slippery (0 DEG C of tan δ values) and rolling resistance (60 DEG C of tan δ values) tables of data of standby vulcanizate.
Embodiment 6
By butadiene-styrene rubber, butadiene rubber, TETD, PAM, barium stearate and 2,2'- di-2-ethylhexylphosphine oxides-(4- methyl-6-tert butyl
Phenol) according to mass ratio be 80：20：0.2：20：5：2 mixing, other steps and formula are same as Example 3；Table 2 is this implementation
Physical mechanical property, anti-slippery (0 DEG C of tan δ values) and rolling resistance (60 DEG C of the tan δ values) number of vulcanizate prepared by example
According to table.
Comparative example 1
Using butadiene-styrene rubber as raw rubber, by the butadiene-styrene rubber of 100 parts by weight, the stearic acid of 1 parts by weight, the oxidation of 3 parts by weight
The sulphur of zinc, the accelerator TBBS of 1 parts by weight, the carbon black of 50 parts by weight, 1.75 parts by weight is kneaded in open mill, is vulcanized
Glue；Physical mechanical property is tested, as shown in table 2, table 2 is the physical mechanical property tables of data of vulcanizate manufactured in the present embodiment.
Comparative example 2
Using isoprene rubber as raw rubber, by the isoprene rubber of 100 parts by weight, the stearic acid of 2 parts by weight, the oxidation of 5 parts by weight
The sulphur of zinc, the accelerator TBBS of 0.7 parts by weight, the carbon black of 35 parts by weight, 2.25 parts by weight is kneaded in open mill, obtains sulphur
Change glue；Physical mechanical property is tested, as shown in table 2, table 2 is the physical mechanical property data of vulcanizate manufactured in the present embodiment
Table.
Comparative example 3
Using butadiene rubber as raw rubber, the butadiene rubber of 100 parts by weight, the stearic acid of 2 parts by weight, the zinc oxide of 3 parts by weight,
The accelerator TBBS of 0.9 parts by weight, the carbon black of 60 parts by weight, the ASTM103 of 15 parts by weight#Operation oil, the sulphur of 1.5 parts by weight
It is kneaded in open mill, obtains vulcanizate；Test physical mechanical property, anti-slippery (0 DEG C of tan δ values) and rolling resistance (60
DEG C tan δ values), as shown in table 2, table 2 be the physical mechanical property of vulcanizate manufactured in the present embodiment, anti-slippery (0 DEG C
Tan δ values) and rolling resistance (60 DEG C of tan δ values) tables of data.
Comparative example 4
Using nitrile rubber as raw rubber, by the nitrile rubber of 100 parts by weight, the stearic acid of 1 parts by weight, the oxidation of 3 parts by weight
Zinc, the accelerator TBBS of 0.7 parts by weight, the industrial reference IRB-7 carbon blacks of 40 parts by weight, the sulphur of 1.5 parts by weight is in open mill
Middle mixing, obtains vulcanizate；Physical mechanical property is tested, as shown in table 2, table 2 is the physics of vulcanizate manufactured in the present embodiment
Mechanical properties data table.
Comparative example 5
Using butadiene-styrene rubber and butadiene rubber as raw rubber, the butadiene-styrene rubber of 80 parts by weight, the butadiene rubber of 20 parts by weight, 2 weights
The stearic acid of amount part, the zinc oxide of 3 parts by weight, the accelerator TBBS of 0.9 parts by weight, the carbon black of 60 parts by weight, 15 parts by weight
ASTM103#Operation oil, the sulphur of 1.5 parts by weight are kneaded in open mill, obtain vulcanizate；Test physical mechanical property, moisture-resistant
Slip (0 DEG C of tan δ values) and rolling resistance (60 DEG C of tan δ values), as shown in table 2, table 2 are vulcanizate manufactured in the present embodiment
Physical mechanical property, anti-slippery (0 DEG C of tan δ values) and rolling resistance (60 DEG C of tan δ values) tables of data.
The performance data table of vulcanizate in 2 embodiment of the present invention 1~6 of table and the Comparative Examples 1 to 5
In general, anti-slippery (0 DEG C of the tan δ values) raising 10% of automobile tire is just more considerable, can by table 2
Know, the anti-slippery in the present invention improves 13.3%~31.8%, illustrate modification diene hydrocarbon rubbers in the present invention have compared with
Good wet-sliding resistant performance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of modified diene hydrocarbon rubbers, are made of diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant；
The amino modified agent includes formamide, acetamide, propionamide, N, and N- dimethylformamides, benzamide, succinyl are sub-
It is one or more in amine, phthalimide, acrylamide and polyacrylamide；
The diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant mass ratio be 100：(0.1~1.0)：
(1~50)：(1~10)：(1~5).
2. modified diene hydrocarbon rubbers according to claim 1, which is characterized in that the diene hydrocarbon rubbers be butadiene rubber,
Butadiene-styrene rubber, isoprene rubber or nitrile rubber.
3. modified diene hydrocarbon rubbers according to claim 1, which is characterized in that the initiator be benzoyl peroxide,
Lauroyl peroxide, cumyl peroxide, azodiisobutyronitrile, azobisisoheptonitrile, N, the double thiamides of two sulphur of N- tetramethyls,
The thio two carbon diamides of tetramethyl, the thio dicetyl peroxydicarbonate diamides of tetraethyl, tetra-sulfurized pair pentamethylene thiuram one kind or
It is several.
4. modified diene hydrocarbon rubbers according to claim 1, which is characterized in that the stabilizer be magnesia, lead oxide,
One or more of dibutyl tin laurate, barium stearate and lead stearate.
5. modified diene hydrocarbon rubbers according to claim 1, which is characterized in that the antioxidant is 2,2'- di-2-ethylhexylphosphine oxides-
(4- methyl-6-tert-butylphenols), β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester and 2,4- bis- is (just
Octyl sulphur methylene) it is one or more in -6- methylphenols.
6. a kind of preparation method of modified diene hydrocarbon rubbers, includes the following steps：
By diene hydrocarbon rubbers, initiator, amino modified agent, stabilizer and antioxidant according to mass ratio be 100：(0.1~1.0)：
(1~50)：(1~10)：(1~5) hybrid reaction in mixer obtains modified diene hydrocarbon rubbers；
The amino modified agent includes formamide, acetamide, propionamide, N, and N- dimethylformamides, benzamide, succinyl are sub-
It is one or more in amine, phthalimide, acrylamide and polyacrylamide.
7. preparation method according to claim 6, which is characterized in that the temperature of the reaction is 70~150 DEG C；
The time of the reaction is 1~10min.
8. preparation method according to claim 6, which is characterized in that the rotor speed of the mixer be 20~80 turns/
Point.
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| CN114805641A (en) * | 2021-01-21 | 2022-07-29 | 中国科学院大连化学物理研究所 | Polybutadiene low-temperature-resistant rubber base rubber and preparation method thereof |
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| CN1798782A (en) * | 2003-06-02 | 2006-07-05 | 株式会社普利司通 | Modified natural rubber or modified natural rubber latex, and rubber composition and pneumatic tire |
| CN103509159A (en) * | 2013-09-23 | 2014-01-15 | 北京石油化工学院 | Grafting modification method for solution-polymerized styrene-butadiene rubber with low gel rate |
| CN103958591A (en) * | 2011-12-19 | 2014-07-30 | 住友橡胶工业株式会社 | Rubber composition for tyre, and pneumatic tyre |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1798782A (en) * | 2003-06-02 | 2006-07-05 | 株式会社普利司通 | Modified natural rubber or modified natural rubber latex, and rubber composition and pneumatic tire |
| CN103958591A (en) * | 2011-12-19 | 2014-07-30 | 住友橡胶工业株式会社 | Rubber composition for tyre, and pneumatic tyre |
| CN103509159A (en) * | 2013-09-23 | 2014-01-15 | 北京石油化工学院 | Grafting modification method for solution-polymerized styrene-butadiene rubber with low gel rate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114805641A (en) * | 2021-01-21 | 2022-07-29 | 中国科学院大连化学物理研究所 | Polybutadiene low-temperature-resistant rubber base rubber and preparation method thereof |
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