CN107641228A - The application of organosilan and rubber composition and vulcanization rubber and preparation method thereof - Google Patents
The application of organosilan and rubber composition and vulcanization rubber and preparation method thereof Download PDFInfo
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- CN107641228A CN107641228A CN201610574407.4A CN201610574407A CN107641228A CN 107641228 A CN107641228 A CN 107641228A CN 201610574407 A CN201610574407 A CN 201610574407A CN 107641228 A CN107641228 A CN 107641228A
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Abstract
The present invention relates to rubber materials, disclose application and the rubber composition and vulcanization rubber and preparation method thereof of organosilan, in organosilan as in the application of rubber matrix modifying agent, the formula of the organosilan is (R1O)3Si X, the R1O is hydrolyzable groups;X is CH=CH R2, wherein R2For H atom or C1‑C4Alkyl.The matrix modification agent of the present invention can preferably improve the intensity by further vulcanizing obtained vulcanization rubber, reduce the heat of vulcanization rubber, improve the anti-slippery of vulcanizate compound.
Description
Technical field
The present invention relates to rubber materials, in particular it relates to a kind of organosilan as rubber matrix modifying agent application, one
Kind rubber composition, a kind of method for preparing vulcanization rubber and the vulcanization rubber being prepared by this method.
Background technology
Influence of the dynamic lag loss performance of rubber compounding to tyre performance is particularly important, and hysteresis loss causes sizing material to exist
Energy expenditure increase during dynamic deformation, heat increase, flexibility decrease, rolling resistance rise.Heat also results in rubber
Intensity and wearability decline, and cause the Random early Detection of tire, and heat can also increase the rolling resistance of tire, increase fuel consumption and
The discharge capacity of carbon dioxide.
CN102382338A discloses a kind of Isoprene rubber blend, and the Isoprene rubber blend includes isoprene rubber, anti-
Formula -1,4- polyisoprene, reinforcer, situ-formed graft modified additive, compound rubber and the first additive.The prior art is adopted
Situ-formed graft modified additive with reinforcer while chemically reacting, with the function such as the double bond on rubber molecular chain
Group carries out graft reaction, substantially increases interface binding power between organic polymer and reinforcer and reinforcer in rubber
Dispersion level, so as to improve the anti-fatigue performance of Isoprene rubber blend.
CN103881161A discloses a kind of trans polyisoprene rubber and with cis-polyisoprene rubber composition
And its processing technology, and rubber total amount is specifically disclosed in terms of 100 mass parts, wherein synthesis of trans polyisoprene is suitable with synthesizing
The total amount of formula polyisoprene is 5-60 mass parts, natural rubber 40-95 mass parts, white carbon 5-90 mass parts, carbon black 5-990
Mass parts;Rubber master batch technique includes:By synthesis of trans polyisoprene or with synthesizing cis polyisoprene rubber composition with
It is white carbon wood glue that white carbon, coupling agent, which are kneaded,;It is carbon black rubber master batch that natural rubber and carbon black, which are kneaded,;Finished composition technique:By institute
State carbon black rubber master batch, white carbon wood glue, age resistor, activating agent, accelerator, vulcanizing agent be kneaded rubber composition is made.The existing skill
Sizing material prepared by the rubber composition and technique of art has the characteristics of improving wear-resisting reduction heat, can apply to rubber
In, particularly in automobile tire, rolling resistance is reduced, reduces heat.
CN103703072A discloses a kind of rubber composition for tire tread, and it contains solution polymerized butadiene styrene rubber, carbon black, titanium dioxide
Silicon and polyethylene glycol, the content of solution polymerized butadiene styrene rubber described in 100 mass % rubber constituent are more than 60 mass %, relative to
The mass parts of rubber constituent 100, the content of the carbon black is below 10 mass parts, the content of the silica is 50 mass
More than part, the content of the polyethylene glycol is 0.1-3.5 mass parts.Contained respectively with ormal weight according to the prior art and contain intermingle with fourth
Benzene rubber, carbon black, the rubber composition of silica and polyethylene glycol, when it is applied to tire tread, can provide equilibrium
Ground improves fuel economy and the pneumatic tire of wearability.In addition, curingprocess rate is good during manufacture tire, and outside the tire manufactured
See good.
CN103087365A discloses a kind of rubber composition for anti-slippery wear resistance balance tire tread, the rubber group
Compound contains diene elastomer, inorganic reinforced filling, coupling agent and plasticizer.In the prior art, when use comprising
During the tire of rubber composition, the tyre surface of the tire has excellent anti-slippery, assigns tire wetland gripping power and wearability
Performance balance, the tyre surface be used for manufacture semi-steel radial tyres for passenger cars.
However, the rubber that above-mentioned prior art provides still can not meet the intensity of tire tread glue needs, reduction heat,
Improve the requirement of wet and slippery performance, it is necessary to provide a kind of rubber of performance improvement.
The content of the invention
Present invention aim to address the intensity for how improving the rubber for tire tread, reduce heat, raising moisture-resistant
The problem of slip, there is provided a kind of matrix modification agent and rubber composition containing the matrix modification agent and by the rubber composition
Vulcanization rubber being prepared and preparation method thereof.
To achieve these goals, in a first aspect, the present invention provides a kind of organosilan as rubber matrix modifying agent
Using the formula of the organosilan is (R1O)3Si-X, the R1O is hydrolyzable groups;X is-CH=CH-R2, wherein R2For H
Atom or C1-C4Alkyl.
Second aspect, the present invention provide a kind of rubber composition, in said composition containing the component A each independently preserved,
Component B, component C and component D, the component A contain rubber matrix, initiator and matrix modification agent, and the component B contains hard charcoal
Black, the component C contains activator, age resistor, softening agent and optional carbon black, and the component D contains accelerator and vulcanization
Agent;The formula of described matrix modifying agent is (R1O)3Si-X, the R1O is hydrolyzable groups;X is-CH=CH-R2, wherein R2For H
Atom or C1-C4Alkyl.
The third aspect, the present invention provide a kind of preparation method for vulcanizing rubber, and this method includes:
(1) rubber matrix, initiator, matrix modification agent are carried out into first to be kneaded, obtains one section of rubber master batch;
(2) one section of rubber master batch and white carbon are carried out into second to be kneaded, obtains two sections of rubber master batch;
(3) two sections of rubber master batch and activator, age resistor, softening agent and optional carbon black are carried out into the 3rd to be kneaded, obtained
To three sections of rubber master batch;
(4) three sections of rubber master batch and accelerator and vulcanizing agent are carried out into the 4th to be kneaded, obtains finished composition;
(5) finished composition is vulcanized;
Wherein, the formula of described matrix modifying agent is (R1O)3Si-X, the R1O is hydrolyzable groups;X is-CH=CH-
R2, wherein R2For H atom or C1-C4Alkyl.
Fourth aspect, the present invention provide the vulcanization rubber being prepared by preceding method.
The vulcanization rubber of the present invention is obtained by a kind of new compounding process, in this method first by rubber matrix, initiator,
Matrix modification agent is mixed to be prepared into matrix rubber master batch;Then two sections of white carbon rubber master batch are prepared using matrix rubber master batch;Then again white
Activator, age resistor, softening agent etc. are added in carbon black rubber master batch and is mixed with three sections of rubber master batch, vulcanization is then added in three sections of rubber master batch
Agent, accelerator are prepared into finished composition, finally carry out finished composition to vulcanize obtained vulcanization rubber.
In the processing technology of the present invention, bridge of the matrix modification agent in base rubber and white carbon can be preferably played
Effect, be advantageous to white carbon and fully interacted with rubber matrix, can preferably be improved by sulphur made from further vulcanizing
Change the intensity of rubber, reduce the heat of vulcanization rubber, improve the anti-slippery of vulcanizate compound.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
In a first aspect, the invention provides a kind of application of organosilan as rubber matrix modifying agent, the organosilicon
The formula of alkane is (R1O)3Si-X, the R1O is hydrolyzable groups;X is-CH=CH-R2, wherein R2For H atom or C1-C4Alkane
Base.
The C1-C5Alkyl include C1-C4Straight chained alkyl and C1-C4Branched alkyl.
The organosilan of the present invention can cause rubber matrix to be modified in the application as rubber matrix modifying agent, so as to
Be advantageous to the interaction between base rubber and white carbon, be advantageous to improve the strong of the obtained vulcanization rubber of follow-up vulcanization
Degree, the heat of vulcanization rubber is reduced, improve the anti-slippery of vulcanizate compound.
Preferably, in the organosilan, the R1O is methoxyl group, ethyoxyl or acetoxyl group, the R2For H atom
Or C1-C4Straight chained alkyl.The C1-C4Straight chained alkyl include at least one of methyl, ethyl, n-propyl and normal-butyl.
It is particularly preferred that in the organosilan, the R2For H atom.
Preferably, the organosilan is used to carrying out together with rubber matrix and initiator the in rubber composition is prepared
One is kneaded.
Preferably, the rubber matrix is selected from least one of solution polymerized butadiene styrene rubber, butadiene rubber, natural rubber.
Preferably, styrol structural unit content is 15-30 mass % in the solution polymerized butadiene styrene rubber, and contents of ethylene is
35-70 mass %, it is 0-30 mass %, Mooney viscosity 45-70 containing oil component.
In the present invention, described containing oil component is 0-30 mass % expressions, can contain in the solution polymerized butadiene styrene rubber or
Person contains oil component described in not containing.
Preferably, the cis-content in the butadiene rubber is 90-99 mass %.
In the present invention, the natural rubber for example can be standard rubber.
Preferably, the described first condition being kneaded includes:Temperature is 130-200 DEG C, time 2-12min;It is highly preferred that
Described first condition being kneaded includes:Temperature is 135-155 DEG C, time 3-6min.
Second aspect, the invention provides a kind of rubber composition, the component each independently preserved is contained in said composition
A, component B, component C and component D, the component A contain rubber matrix, initiator and matrix modification agent, and the component B contains white
Carbon black, the component C contain activator, age resistor, softening agent and optional carbon black, and the component D contains accelerator and sulphur
Agent;The formula of described matrix modifying agent is (R1O)3Si-X, the R1O is hydrolyzable groups;X is-CH=CH-R2, wherein R2
For H atom or C1-C4Alkyl.
Preferably, in described matrix modifying agent, the R1O is methoxyl group, ethyoxyl or acetoxyl group, the R2It is former for H
Son or C1-C4Straight chained alkyl.
Matrix modification agent in the second aspect of the present invention and the matrix modification agent described in the first aspect of the present invention
Species is identical, and in order to avoid repeating, the present invention will not be repeated here.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, described matrix is modified
The content of agent is 0.5-20 parts by weight;More preferably 2-10 parts by weight.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, the initiator
Content is 0.01-2 parts by weight, more preferably 0.05-1 parts by weight.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, the white carbon
Content is 20-120 parts by weight, more preferably 50-100 parts by weight.
It is described optionally to refer to containing carbon black, carbon black can be contained in rubber composition of the invention, charcoal can also not contained
It is black, it is preferable that to contain carbon black in the rubber composition.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, the activator
Content is 1-15 parts by weight, more preferably 3-8 parts by weight.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, the age resistor
Content is 0.5-10 parts by weight, more preferably 1-6 parts by weight.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, the softening agent
Content is 5-30 parts by weight, more preferably 10-20 parts by weight.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, the carbon black contains
Measure as 0-30 parts by weight, more preferably 0-20 parts by weight.The content of the carbon black is 0-20 parts by weight, is represented:When not containing charcoal
When black, the content of the carbon black is 0 parts by weight;When containing carbon black, the content of the carbon black more than 0 to less than or equal to 20 weights
Between amount part.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, the accelerator
Content is 0.5-10 parts by weight, more preferably 1-6 parts by weight.
Preferably, in the rubber composition, relative to the rubber matrix of 100 parts by weight, the vulcanizing agent
Content is 0.1-5 parts by weight, more preferably 0.5-3 parts by weight.
According to a kind of preferred embodiment, in the rubber composition, relative to the rubber of 100 parts by weight
Matrix body, the content of the initiator are 0.01-2 parts by weight, and the content of the white carbon is 20-120 parts by weight, the activation
The content of agent is 1-15 parts by weight, and the content of the age resistor is 0.5-10 parts by weight, and the content of the softening agent is 5-30 weights
Part is measured, the content of the carbon black is 0-30 parts by weight, and the content of the accelerator is 0.5-10 parts by weight, and the vulcanizing agent contains
Measure as 0.1-5 parts by weight.
According to another preferred embodiment, relative to the rubber matrix of 100 parts by weight, the initiation
The content of agent is 0.05-1 parts by weight, and the content of the white carbon is 50-100 parts by weight, and the content of the activator is 3-8 weights
Measure part, the content of the age resistor is 1-6 parts by weight, and the content of the softening agent is 10-20 parts by weight, the content of the carbon black
For 0-20 parts by weight, the content of the accelerator is 1-6 parts by weight, and the content of the vulcanizing agent is 0.5-3 parts by weight.
Preferably, in the rubber composition, the rubber matrix is selected from solution polymerized butadiene styrene rubber, butadiene rubber, natural
At least one of rubber.
Preferably, the rubber matrix is solution polymerized butadiene styrene rubber or the mixture of solution polymerized butadiene styrene rubber and butadiene rubber;
Relative to the rubber matrix of 100 parts by weight, the dosage of solution polymerized butadiene styrene rubber is 60-100 parts by weight in the rubber matrix,
The dosage of butadiene rubber is 0-40 parts by weight.
Preferably, styrol structural unit content is 15-30 mass % in the solution polymerized butadiene styrene rubber, and contents of ethylene is
35-70 mass %, it is 0-30 mass %, Mooney viscosity 45-70 containing oil component.
Preferably, the cis-content in the butadiene rubber is 90-99 mass %.
The third aspect, a kind of preparation method for vulcanizing rubber, this method include:
(1) rubber matrix, initiator, matrix modification agent are carried out into first to be kneaded, obtains one section of rubber master batch;
(2) one section of rubber master batch and white carbon are carried out into second to be kneaded, obtains two sections of rubber master batch;
(3) two sections of rubber master batch and activator, age resistor, softening agent and optional carbon black are carried out into the 3rd to be kneaded, obtained
To three sections of rubber master batch;
(4) three sections of rubber master batch and accelerator and vulcanizing agent are carried out into the 4th to be kneaded, obtains finished composition;
(5) finished composition is vulcanized;
Wherein, the formula of described matrix modifying agent is (R1O)3Si-X, the R1O is hydrolyzable groups;X is-CH=CH-
R2, wherein R2For H atom or C1-C4Alkyl.
Preferably, in described matrix modifying agent, the R1O is methoxyl group, ethyoxyl or acetoxyl group, the R2It is former for H
Son or C1-C4Straight chained alkyl.
The matrix modification agent of (namely in preparation method of vulcanization rubber) is with the present invention's in the third aspect of the present invention
The species of matrix modification agent described in first aspect is identical, and in order to avoid repeating, the present invention will not be repeated here.
Preferably, in the preparation method of vulcanization rubber, relative to the rubber matrix of 100 parts by weight, described matrix
The dosage of modifying agent is 0.5-20 parts by weight;Preferably 2-10 parts by weight.
Preferably, in the preparation method of vulcanization rubber, relative to the rubber matrix of 100 parts by weight, the initiation
The dosage of agent is 0.01-2 parts by weight, and the dosage of the white carbon is 20-120 parts by weight, and the dosage of the activator is 1-15
Parts by weight, the dosage of the age resistor is 0.5-10 parts by weight, and the dosage of the softening agent is 5-30 parts by weight, the carbon black
Dosage is 0-30 parts by weight, and the dosage of the accelerator is 0.5-10 parts by weight, and the dosage of the vulcanizing agent is 0.1-5 weight
Part.
It is highly preferred that in the preparation method of vulcanization rubber, it is described to draw relative to the rubber matrix of 100 parts by weight
The content for sending out agent is 0.05-1 parts by weight, and the content of the white carbon is 50-100 parts by weight, and the content of the activator is 3-8
Parts by weight, the content of the age resistor is 1-6 parts by weight, and the content of the softening agent is 10-20 parts by weight, and the carbon black contains
Measure as 0-20 parts by weight, the content of the accelerator is 1-6 parts by weight, and the content of the vulcanizing agent is 0.5-3 parts by weight.
In fact, in the preparation method of vulcanization rubber, prepare the dosage of each component being related in vulcanization rubber be can be with
With the content identical of the respective components in the rubber composition that is related in the second aspect of the present invention, therefore, in order to avoid weight
Multiple, the present invention in a third aspect, enumerate one by one by the dosage for not vulcanizing each component being related in rubber to preparing.
Preferably, vulcanization rubber preparation method in, the rubber matrix be selected from solution polymerized butadiene styrene rubber, butadiene rubber,
At least one of natural rubber.
Preferably, in the preparation method of vulcanization rubber, styrol structural unit content is in the solution polymerized butadiene styrene rubber
15-30 mass %, contents of ethylene are 35-70 mass %, are 0-30 mass %, Mooney viscosity 45-70 containing oil component.
Preferably, in the preparation method of vulcanization rubber, the cis-content in the butadiene rubber is 90-99 mass %.
Preferably, in the preparation method of vulcanization rubber, the rubber matrix is solution polymerized butadiene styrene rubber or solution polymerized butylbenzene
The mixture of rubber and butadiene rubber.It is highly preferred that relative to the rubber matrix of 100 parts by weight, in the rubber matrix
The content of solution polymerized butadiene styrene rubber is 60-100 parts by weight, and the content of butadiene rubber is 0-40 parts by weight.The butadiene rubber contains
Measure as 0-40 parts by weight, expression:When not containing butadiene rubber in the rubber matrix, the content of the butadiene rubber is 0 weight
Measure part;When containing butadiene rubber in the rubber matrix, the content of the butadiene rubber is to being less than or equal to more than 0 parts by weight
40 parts by weight.
Preferably, in the preparation method of vulcanization rubber, the described first condition being kneaded includes:Temperature is 130-200 DEG C,
Time is 2-12min.It is highly preferred that the described first condition being kneaded includes:Temperature is 135-155 DEG C, time 3-6min.With
And it is phase that described first in the preparation method of vulcanization rubber, which is kneaded with first mixing in the first aspect of the present invention,
With.
Preferably, in the preparation method of vulcanization rubber, the described second condition being kneaded includes:Temperature is 100-165 DEG C,
Time is 3-12min;It is highly preferred that the described second condition being kneaded includes:Temperature is 110-130 DEG C, time 5-7min.
Preferably, in the preparation method of vulcanization rubber, the described 3rd condition being kneaded includes:Temperature is 80-140 DEG C,
Time is 3-12min;It is highly preferred that the described 3rd condition being kneaded includes:Temperature is 110-130 DEG C, time 3-5min.
Preferably, in the preparation method of vulcanization rubber, the described 4th condition being kneaded includes:Temperature is no more than 130
DEG C, time 5-7min.It is highly preferred that the described 4th temperature being kneaded is 110-130 DEG C.
Preferably, the initiator can be organic peroxide evocating agent.Preferably, the initiator is selected from peroxidating
Diisopropylbenzene (DIPB), benzoyl peroxide, peroxidating two (2,4 dichloro benzene formyl), diacetyl peroxide, dioctanoyl peroxide and mistake
Aoxidize at least one of two lauroyl.
Preferably, the age resistor be amines antioxidants, quinoline type antioxidant and benzimidazole age resistor at least
It is a kind of.For example, the age resistor is antioxidant 4020.
Preferably, the softening agent is at least one in aromatic naphtha, paraffin oil, naphthenic oil, Petropols and polyethylene glycol
Kind.Wherein, the weight average molecular weight of the polyethylene glycol is 3000-5000.And weight average molecular weight is in the range of 3000-5000
Polyethylene glycol causes composite to have preferable processing characteristics and physical and mechanical properties.The aromatic naphtha for example can be virtue
Hydrocarbon ils TDAE V500, the polyethylene glycol for example can be polyethylene glycol PEG4000.
Preferably, the activator is the composition or fatty acid metal soap salt of metal oxide and aliphatic acid.It is described
Metal oxide is preferably zinc oxide and/or magnesia;The aliphatic acid is preferably stearic acid;The fatty acid metal soap salt is
Zinc stearate and/or Firebrake ZB.
Preferably, the accelerator is sulfenamide type accelerators, thiazole accelerator, thuriam acceserator and guanidine
At least one of accelerator.Preferably, the accelerator is N tert butyl benzothiazole 2 sulfenamide (TBBS), hexichol
Guanidine (diphenylguanidine).
Preferably, the vulcanizing agent is sulphur and/or sulfur donor.The sulfur donor is to refer to provide sulphur
Material.The sulphur includes at least one of insoluble sulfur, soluble sulfur and oil-filled sulphur.For example, the vulcanization
Agent is common sulphur S, oil-filled insoluble sulfur IS etc..
In the case of, according to the invention it is preferred to, the white carbon is silica;It is highly preferred that the nitrogen of the white carbon is inhaled
Attached specific surface area is 10-200m2/g.For example, the white carbon is 115GR (French Rhodia) and/or 165GR (France
Rhodia).
Preferably, when containing carbon black, the CTAB adsorption specific surface areas of the carbon black are 10-300m2/g.It is for example, described
Carbon black is N330 (Dongguan City Qi Deli Chemical Industry Science Co., Ltd) and/or N220 (the limited public affairs of Dongguan City Qi Deli chemical science and technologies
Department).
Preferably, the condition of the vulcanization includes:Temperature is 150-170 DEG C, pressure 10-20MPa, time 30-
50min。
Fourth aspect, the invention provides the vulcanization rubber being prepared by preceding method.
Pressure used is gauge in the present invention.
The present invention will be described in detail by way of examples below.
In case of no particular description, extensive stock used below is all from commercially available.
The equipment situation that following examples and comparative example prepare vulcanization rubber is shown in Table 1.
The tester of embodiment and the obtained vulcanization rubber of comparative example is shown in Table 2, and test condition is shown in Table 3.
The chemical reagent that embodiment and comparative example use is commercially available product, specific as follows:
Solution polymerized butadiene styrene rubber:2535E, (wherein, styrol structural unit content is 23 mass % to Yanshan Petrochemical product, second
Amount vinyl content is 63 mass %, is 27 mass % containing oil component;Mooney viscosity 60);
Butadiene rubber:BR9000, Yanshan Petrochemical product (wherein, cis-content is 97.8 mass %);
White carbon:165GR, French Rhodia, N2 adsorption specific surface area are 170m2/g;
Carbon black:N330, Dongguan City Qi Deli Chemical Industry Science Co., Ltd, CTAB adsorption specific surface areas are 75m2/g;
Initiator:Cumyl peroxide (DCP), dibenzoyl peroxide (BPO) Hai Jing Chemical Co., Ltd.s, analysis
It is pure;
Matrix modification agent:VTES (wherein, R1O is CH3CH2O-, R2For H) (the uncommon love (Shanghai) of ladder is changed
Into industrial development Co., Ltd), vinyltrimethoxy silane (wherein, R1O is CH3O-, R2For H) (uncommon love (Shanghai) chemical conversion of ladder
Industrial development Co., Ltd), vinyltriacetoxy silane (wherein, R1O is CH3COO-, R2For H) (section of Huainan City Dihua work
Science and Technology Ltd.), ethyl triethoxy silicane ethene (wherein, R1O is CH3CH2O-, R2For CH3CH2-), double-[γ-(three ethoxies
Base silicon) propyl group] tetrasulfide (Si69) (Hangzhou Jesse blocks Chemical Co., Ltd.);
Softening agent:Environment-friendly aromatic oil TDAE V500 (abbreviation TDAE), Xin Dayang (Ningbo) Co., Ltd;
Activator:Zinc oxide, stearic acid, Weifang Hengfeng Chemical Co., Ltd.;
Age resistor:N- (1,3- dimethylbutyl)-N '-diphenyl-para-phenylene diamine (antioxidant 4020), 2,2,4- trimethyl -1,
2- dihyaroquinolines condensate (anti-aging agent RD) Jiangsu Sheng'Ao Chemical Technology Co., Ltd;
Vulcanizing agent:Sulphur, Weifang Zhong Heng Chemical Co., Ltd.s;
Accelerator:N tert butyl benzothiazole 2 sulfenamide (TBBS), diphenylguanidine (diphenylguanidine), tetramethyl
Thiuram (TMTD), Shanghai Yong Yan Chemical Industry Science Co., Ltd;
PEG4000:Pacify petrochemical plant in Huai-Hai.
Amounts of components in following examples and comparative example is parts by weight, and 1g is represented per parts by weight.
Embodiment 1-4 is used to illustrate the rubber composition of the present invention, vulcanization rubber and preparation method thereof.
Table 1
Sequence number | Device name | Model | Manufacturer |
1 | Banbury | BR1600 | Farrel Corp. (US) 25 Main Street, Ansonia, CT 06401, U.S.A. of the U.S. |
2 | Vulcanizing press | XLB-D400*400*2 | The rubber machinery plant of Shanghai first |
Table 2
Table 3
Embodiment 1
Building rubber compound composition formula:The parts by weight of solution polymerized butadiene styrene rubber 60, the parts by weight of butadiene rubber 40, the parts by weight of white carbon 50,
The parts by weight of carbon black 20, the parts by weight of DCP (initiator) 0.05, VTES (matrix modification agent) 2 parts by weight, TDAE
(softening agent) 17 parts by weight, the parts by weight of PEG4000 (softening agent) 3, the parts by weight of zinc oxide (activator) 5, stearic acid (activator) 1
It is parts by weight, the parts by weight of sulphur (vulcanizing agent) 0.5, the parts by weight of TBBS (accelerator) 4, the parts by weight of diphenylguanidine (accelerator) 2, anti-old
The parts by weight of agent 4020 (age resistor) 1.
Vulcanize the preparation process of rubber:
(1) rubber matrix, initiator, matrix modification agent are carried out into first to be kneaded, obtains one section of rubber master batch;Specifically, will be molten
Poly- butadiene-styrene rubber, butadiene rubber are added in banbury, and settings rotating speed is 80rpm, and plasticating temperature is 80 DEG C, and rubber time of plasticating is
0.5min, obtain rubber matrix;Initiator, matrix modification agent are added in above-mentioned banbury and be kneaded, melting temperature is 135 DEG C,
Mixing time is 3min, obtains one section of rubber master batch;
(2) one section of rubber master batch and white carbon are carried out into second to be kneaded, obtains two sections of rubber master batch;Specifically, by described one section
Rubber master batch, white carbon, which are added in banbury, carries out the second mixing, and melting temperature is 110 DEG C, mixing time 5min, obtains two sections of mothers
Glue;
(3) two sections of rubber master batch and activator, age resistor, softening agent and carbon black are carried out into the 3rd to be kneaded, obtains three sections
Rubber master batch;Specifically, carbon black, TDAE, zinc oxide, stearic acid, antioxidant 4020 and PEG4000 are added in banbury, it is and described
Two sections of rubber master batch carry out the 3rd and are kneaded, and mixing time 3min, dump temperature is 110 DEG C, discharges and parks 4 hours, obtains three sections
Rubber master batch;
(4) three sections of rubber master batch and accelerator and vulcanizing agent are carried out into the 4th to be kneaded, obtains finished composition;Specifically, set
The rotating speed of banbury is 80rpm, and plasticating temperature is 40 DEG C, and three sections of rubber master batch are plasticated after 1min, addition vulcanizing agent, accelerator
The 4th mixing is carried out, melting temperature is 130 DEG C, mixing time 5min, and discharging obtains finished composition;
(5) finished composition is put into vulcanizing press and vulcanized, curing temperature is 150 DEG C, sulfide stress is
20MPa, cure time 50min, cured rubber samples S1 is made.
Cured rubber samples S1 is subjected to performance test, the results are shown in Table 4.
Embodiment 2
Building rubber compound composition formula:The parts by weight of solution polymerized butadiene styrene rubber 75, the parts by weight of butadiene rubber 25, the parts by weight of white carbon 77,
The parts by weight of carbon black 8, the parts by weight of BPO (initiator) 0.75, vinyltrimethoxy silane (matrix modification agent) 8 parts by weight, TDAE
(softening agent) 8 parts by weight, the parts by weight of PEG4000 (softening agent) 6, the parts by weight of zinc oxide (activator) 5, stearic acid (activator) 3
Parts by weight, the parts by weight of sulphur (vulcanizing agent) 1.7, the parts by weight of TBBS (accelerator) 1.7, the parts by weight of diphenylguanidine (accelerator) 1.9,
The parts by weight of antioxidant 4020 (age resistor) 2.
Vulcanize the preparation process of rubber:
(1) solution polymerized butadiene styrene rubber, butadiene rubber are added in banbury, setting rotating speed is 80rpm, plasticating temperature 80
DEG C, rubber time of plasticating is 0.5min, obtains rubber matrix;Initiator, matrix modification agent are added in above-mentioned banbury and are kneaded,
Melting temperature is 145 DEG C, mixing time 5min, obtains one section of rubber master batch;
(2) one section of rubber master batch, white carbon are added in banbury and carries out the second mixing, melting temperature is 120 DEG C, is kneaded
Time is 6min, obtains two sections of rubber master batch;
(3) carbon black, TDAE, zinc oxide, stearic acid, antioxidant 4020 and PEG4000 are added in banbury, with described two
Section rubber master batch carries out the 3rd and is kneaded, and mixing time 4min, dump temperature is 120 DEG C, discharges and parks 4 hours, obtains three sections of mothers
Glue;
(4) rotating speed for setting banbury be 80rpm, and plasticating temperature is 40 DEG C, and three sections of rubber master batch are plasticated after 1min, added
Add vulcanizing agent, accelerator to carry out the 4th to be kneaded, melting temperature is 110 DEG C, mixing time 7min, and discharging obtains finished composition;
(5) finished composition is put into vulcanizing press and vulcanized, curing temperature is 170 DEG C, sulfide stress is
10MPa, cure time 30min, cured rubber samples S2 is made.
Cured rubber samples S2 is subjected to performance test, the results are shown in Table 4.
Embodiment 3
Building rubber compound composition formula:The parts by weight of solution polymerized butadiene styrene rubber 100, the parts by weight of white carbon 100, the weight of DCP (initiator) 1
Part, vinyltriacetoxy silane (matrix modification agent) 10 parts by weight, the parts by weight of TDAE (softening agent) 8, PEG4000 (softenings
Agent) 2 parts by weight, the parts by weight of zinc oxide (activator) 2, the parts by weight of stearic acid (activator) 1, the parts by weight of sulphur (vulcanizing agent) 3,
The parts by weight of TBBS (accelerator) 0.5, the parts by weight of diphenylguanidine (accelerator) 0.5, the parts by weight of anti-aging agent RD (age resistor) 6.
Vulcanize the preparation process of rubber:
(1) solution polymerized butadiene styrene rubber is added in banbury, setting rotating speed is 80rpm, and plasticating temperature is 80 DEG C, and rubber is plasticated
Time is 0.5min, obtains rubber matrix;Initiator, matrix modification agent are added in above-mentioned banbury and be kneaded, melting temperature is
155 DEG C, mixing time 6min, obtain one section of rubber master batch;
(2) one section of rubber master batch, white carbon are added in banbury and carries out the second mixing, melting temperature is 130 DEG C, is kneaded
Time is 7min, obtains two sections of rubber master batch;
(3) TDAE, zinc oxide, stearic acid, anti-aging agent RD and PEG4000 are added in banbury, with two sections of rubber master batch
The 3rd mixing is carried out, mixing time 5min, dump temperature is 130 DEG C, discharges and parks 4 hours, obtains three sections of rubber master batch;
(4) rotating speed for setting banbury be 80rpm, and plasticating temperature is 40 DEG C, and three sections of rubber master batch are plasticated after 1min, added
Add vulcanizing agent, accelerator to carry out the 4th to be kneaded, melting temperature is 120 DEG C, mixing time 6min, and discharging obtains finished composition;
(5) finished composition is put into vulcanizing press and vulcanized, curing temperature is 160 DEG C, sulfide stress is
15MPa, cure time 40min, cured rubber samples S3 is made.
Cured rubber samples S3 is subjected to performance test, the results are shown in Table 4.
Embodiment 4
Building rubber compound composition formula:The parts by weight of solution polymerized butadiene styrene rubber 100, the parts by weight of white carbon 100, the weight of DCP (initiator) 1
Part, ethyl triethoxy silicane ethene (matrix modification agent) 10 parts by weight, the parts by weight of TDAE (softening agent) 15, PEG4000 (softenings
Agent) 5 parts by weight, the parts by weight of zinc oxide (activator) 5, the parts by weight of stearic acid (activator) 3, the parts by weight of sulphur (vulcanizing agent) 3,
The parts by weight of TMTD (accelerator) 0.5, the parts by weight of diphenylguanidine (accelerator) 0.5, the parts by weight of antioxidant 4020 (age resistor) 6.
It is similar to embodiment 3 to vulcanize the preparation process of rubber, unlike:
During preparing one section of rubber master batch, the first temperature being kneaded is 130 DEG C, time 8min;
During preparing two sections of rubber master batch, the second temperature being kneaded is 145 DEG C, time 8min;
During preparing three sections of rubber master batch, the 3rd time being kneaded was 7min, and dump temperature is 105 DEG C.
Cured rubber samples S4 is made.
Cured rubber samples S4 is subjected to performance test, the results are shown in Table 4.
Comparative example 1
Building rubber compound composition formula is in the same manner as in Example 2, specifically:
The parts by weight of solution polymerized butadiene styrene rubber 75, the parts by weight of butadiene rubber 25, the parts by weight of white carbon 77, the parts by weight of carbon black 8, BPO
(initiator) 0.75 parts by weight, vinyltrimethoxy silane (matrix modification agent) 8 parts by weight, the parts by weight of TDAE (softening agent) 8,
The parts by weight of PEG4000 (softening agent) 6, the parts by weight of zinc oxide (activator) 5, the parts by weight of stearic acid (activator) 3, sulphur (vulcanization
Agent) 1.7 parts by weight, the parts by weight of TBBS (accelerator) 1.7, the parts by weight of diphenylguanidine (accelerator) 1.9, antioxidant 4020 be (anti-old
Agent) 2 parts by weight.
Vulcanize the preparation process of rubber:
Solution polymerized butadiene styrene rubber is added in banbury, setting rotating speed is 80rpm, and initial melting temperature is 80 DEG C, rubber modeling
The refining time is 0.5min;Then by butadiene rubber, white carbon, initiator, rubber modifier, carbon black, TDAE, zinc oxide, tristearin
Acid, antioxidant 4020 and PEG4000 are added in banbury and are kneaded, mixing time 10min, and dump temperature is 175 DEG C, is gone out
Expect and park 4 hours rubber master batch is made;The rotating speed for setting banbury is 80rpm, and initial melting temperature is 40 DEG C, and rubber master batch is plasticated
After 1min, addition vulcanizing agent, accelerator are kneaded, and melting temperature is 115 DEG C, mixing time 4min, and discharging obtains whole refining
Glue.
The finished composition is put into vulcanizing press and vulcanized, curing temperature is 160 DEG C, sulfide stress 15MPa,
Cure time is 40min, and cured rubber samples DS1 is made.
Cured rubber samples DS1 is subjected to performance test, the results are shown in Table 4.
Comparative example 2
Building rubber compound composition formula is in the same manner as in Example 2, specifically:
The parts by weight of solution polymerized butadiene styrene rubber 75, the parts by weight of butadiene rubber 25, the parts by weight of white carbon 77, the parts by weight of carbon black 8, BPO
(initiator) 0.75 parts by weight, vinyltrimethoxy silane (matrix modification agent) 12 parts by weight, the weight of TDAE (softening agent) 8
Part, the parts by weight of PEG4000 (softening agent) 6, the parts by weight of zinc oxide (activator) 5, the parts by weight of stearic acid (activator) 3, sulphur (sulphur
Agent) 1.7 parts by weight, the parts by weight of TBBS (accelerator) 1.7, the parts by weight of diphenylguanidine (accelerator) 1.9, antioxidant 4020 be (anti-old
Agent) 2 parts by weight.
Calendering process according to CN103881161A embodiment 1 prepares vulcanization rubber, specifically:
One section of mixing adhesive process:
Carbon black rubber master batch technique:Added in the banbury that rotating speed is 45rpm after solution polymerized butadiene styrene rubber is plasticated 60 seconds and put on top
Bolt, carbon black is added, floating weight cleaning is proposed after being kneaded 60 seconds, then be kneaded 60 seconds dumpings;The mixing time that pressurizes is 180 seconds, dumping temperature
Spend for 165 DEG C;
White carbon rubber master batch technique:Add after solution polymerized butadiene styrene rubber is kneaded 30 seconds and put in the banbury that rotating speed is 45rpm
Push up bolt, add butadiene rubber, white carbon, initiator, matrix modification agent, be kneaded 60 seconds after carry floating weight, be kneaded 30 seconds and put on top
Bolt, then it is kneaded 60 seconds dumpings;The mixing time that pressurizes is 210 seconds, and dump temperature is 160 DEG C.
Two-stage mixing process:
Carbon black rubber master batch and white carbon rubber master batch are added in the banbury that rotating speed is 40rpm, is kneaded 80 seconds and carries floating weight, is added
Zinc oxide, stearic acid, antioxidant 4020, TDAE and PEG4000, it is kneaded 70 seconds and cleans, then be kneaded 30 seconds dumpings, when pressurization is kneaded
Between be 180 seconds, dump temperature be 155 DEG C, obtain two-stage mixing rubber master batch.
Finished composition calendering process:
Two-stage mixing rubber master batch is added in the banbury that rotating speed is 20rpm, mixing carries floating weight for 30 seconds and adds accelerator, vulcanization
Agent, it is kneaded 60 seconds and cleans, then be kneaded 30 seconds dumpings, pressurization mixing time is 120 seconds, and dump temperature is 105 DEG C;Obtain whole refining
Glue.
Vulcanize the preparation process of rubber:
The finished composition is put into vulcanizing press and vulcanized, curing temperature is 160 DEG C, sulfide stress 15MPa,
Cure time is 40min, and cured rubber samples DS2 is made.
Cured rubber samples DS2 is subjected to performance test, the results are shown in Table 4.
Comparative example 3
This comparative example is carried out using method similar to Example 1, unlike:
The organosilan that this comparative example uses is Si69, namely with the ethene in organosilan Si69 alternative embodiments 1
Ethyl triethoxy silicane alkane.
Remaining is in the same manner as in Example 1.Cured rubber samples DS3 is made.
Cured rubber samples DS3 is subjected to performance test, the results are shown in Table 4.
Table 4
In table 4, G ' 1% (kPa) represents the storage modulus under low strain dynamic;G ' 100% (kPa) represents the storage under Large strain
Can modulus;(G ' 1%-G ' 100%)/kPa represents the difference of storage modulus under high low strain dynamic, and difference is bigger, and carbon black dispersion is poorer,
Conversely, dispersiveness is better.
As can be seen from the above results, the preparation method of vulcanization rubber of the invention, each group of rubber composition can be made
Divide has more preferable dispersiveness in rubber is vulcanized, so that vulcanization rubber made of further can have raising intensity, reduce
Heat, improve the excellent combination properties such as anti-slippery.
However, further contrast is as can be seen that using building rubber compound composition formula similarly to Example 2 but using not
During preparation method (comparative example 1 and the comparative example 2) of same vulcanization rubber, vulcanization the rubber DS1 and DS2 further prepared is in performance
Upper not as vulcanization rubber S2, such as breaking strength will be less than S2, and compression, which heats up, is higher than S2, and resilience is less than S2, and DIN abrasion are higher than
S2;The dynamic mechanical for the S2 that embodiment 2 is prepared shows less rolling resistance, preferable anti-slippery, Pei Ni
Effect data also illustrates that embodiment S2 carbon black dispersion is much better than the DS1 and DS2 of comparative example 1 and comparative example 2.
The preparation method of vulcanization rubber provided by the invention can make the vulcanization rubber of acquisition have better performance, can
Applied in automobile tire tyre surface, the durability of tire can be improved, improves the fuel economy of automobile, improves the safety of automobile
Property.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (15)
1. a kind of application of organosilan as rubber matrix modifying agent, the formula of the organosilan is (R1O)3Si-X, it is described
R1O is hydrolyzable groups;X is-CH=CH-R2, wherein R2For H atom or C1-C4Alkyl.
2. application according to claim 1, wherein, in the organosilan, the R1O is methoxyl group, ethyoxyl or second
Acyloxy, the R2For H atom or C1-C4Straight chained alkyl.
3. application according to claim 1 or 2, wherein, the organosilan is used in rubber composition is prepared and rubber
Matrix body and initiator carry out the first mixing together;Preferably,
The rubber matrix is selected from least one of solution polymerized butadiene styrene rubber, butadiene rubber, natural rubber;Preferably,
Styrol structural unit content is 15-30 mass % in the solution polymerized butadiene styrene rubber, and contents of ethylene is 35-70 matter
% is measured, is 0-30 mass %, Mooney viscosity 45-70 containing oil component;
Cis-content in the butadiene rubber is 90-99 mass %.
4. application according to claim 3, wherein, the described first condition being kneaded includes:Temperature is 130-200 DEG C, when
Between be 2-12min;Preferably, the described first condition being kneaded includes:Temperature is 135-155 DEG C, time 3-6min.
5. a kind of rubber composition, component A, component B, component C and the component D each independently preserved, institute are contained in said composition
State component A and contain rubber matrix, initiator and matrix modification agent, the component B contains white carbon, and the component C contains activation
Agent, age resistor, softening agent and optional carbon black, the component D contain accelerator and vulcanizing agent;Described matrix modifying agent leads to
Formula is (R1O)3Si-X, the R1O is hydrolyzable groups;X is-CH=CH-R2, wherein R2For H atom or C1-C4Alkyl;It is excellent
Selection of land,
In described matrix modifying agent, the R1O is methoxyl group, ethyoxyl or acetoxyl group, the R2For H atom or C1-C4's
Straight chained alkyl.
6. composition according to claim 5, wherein, relative to the rubber matrix of 100 parts by weight,
The content of described matrix modifying agent is 0.5-20 parts by weight;Preferably 2-10 parts by weight;
The content of the initiator is 0.01-2 parts by weight, preferably 0.05-1 parts by weight;
The content of the white carbon is 20-120 parts by weight, preferably 50-100 parts by weight.
7. the composition according to claim 5 or 6, wherein, the rubber matrix is selected from solution polymerized butadiene styrene rubber, along fourth rubber
At least one of glue, natural rubber;Preferably,
The rubber matrix is solution polymerized butadiene styrene rubber or the mixture of solution polymerized butadiene styrene rubber and butadiene rubber;Relative to 100 weights
The rubber matrix of part is measured, the dosage of solution polymerized butadiene styrene rubber is 60-100 parts by weight in the rubber matrix, butadiene rubber
Dosage is 0-40 parts by weight;Preferably,
Styrol structural unit content is 15-30 mass % in the solution polymerized butadiene styrene rubber, and contents of ethylene is 35-70 matter
% is measured, is 0-30 mass %, Mooney viscosity 45-70 containing oil component;
Cis-content in the butadiene rubber is 90-99 mass %.
8. according to the composition described in any one in claim 5-7, wherein, relative to the rubber-based of 100 parts by weight
Body, the content of the activator is 1-15 parts by weight, and the content of the age resistor is 0.5-10 parts by weight, and the softening agent contains
Measure as 5-30 parts by weight, the content of the carbon black is 0-30 parts by weight, and the content of the accelerator is 0.5-10 parts by weight, described
The content of vulcanizing agent is 0.1-5 parts by weight;Preferably,
Relative to the rubber matrix of 100 parts by weight, the content of the activator is 3-8 parts by weight, and the age resistor contains
Measure as 1-6 parts by weight, the content of the softening agent is 10-20 parts by weight, and the content of the carbon black is 0-20 parts by weight, the rush
The content for entering agent is 1-6 parts by weight, and the content of the vulcanizing agent is 0.5-3 parts by weight.
9. a kind of preparation method for vulcanizing rubber, this method include:
(1) rubber matrix, initiator, matrix modification agent are carried out into first to be kneaded, obtains one section of rubber master batch;
(2) one section of rubber master batch and white carbon are carried out into second to be kneaded, obtains two sections of rubber master batch;
(3) two sections of rubber master batch and activator, age resistor, softening agent and optional carbon black are carried out into the 3rd to be kneaded, obtains three
Section rubber master batch;
(4) three sections of rubber master batch and accelerator and vulcanizing agent are carried out into the 4th to be kneaded, obtains finished composition;
(5) finished composition is vulcanized;
The formula of described matrix modifying agent is (R1O)3Si-X, the R1O is hydrolyzable groups;X is-CH=CH-R2, wherein R2For
H atom or C1-C4Alkyl;Preferably,
In described matrix modifying agent, the R1O is methoxyl group, ethyoxyl or acetoxyl group, the R2For H atom or C1-C4's
Straight chained alkyl.
10. according to the method for claim 9, wherein, relative to the rubber matrix of 100 parts by weight, described matrix changes
The dosage of property agent is 0.5-20 parts by weight, preferably 2-10 parts by weight;Preferably,
Relative to the rubber matrix of 100 parts by weight, the dosage of the initiator is 0.01-2 parts by weight, the white carbon
Dosage is 20-120 parts by weight, and the dosage of the activator is 1-15 parts by weight, and the dosage of the age resistor is 0.5-10 weight
Part, the dosage of the softening agent is 5-30 parts by weight, and the dosage of the carbon black is 0-30 parts by weight, and the dosage of the accelerator is
0.5-10 parts by weight, the dosage of the vulcanizing agent is 0.1-5 parts by weight;Preferably,
The content of the initiator is 0.05-1 parts by weight, and the content of the white carbon is 50-100 parts by weight, the activator
Content be 3-8 parts by weight, the content of the age resistor is 1-6 parts by weight, and the content of the softening agent is 10-20 parts by weight,
The content of the carbon black is 0-20 parts by weight, and the content of the accelerator is 1-6 parts by weight, and the content of the vulcanizing agent is 0.5-
3 parts by weight.
11. the method according to claim 9 or 10, wherein, the rubber matrix is selected from solution polymerized butadiene styrene rubber, along fourth rubber
At least one of glue, natural rubber;Preferably,
Styrol structural unit content is 15-30 mass % in the solution polymerized butadiene styrene rubber, and contents of ethylene is 35-70 matter
% is measured, is 0-30 mass %, Mooney viscosity 45-70 containing oil component;
Cis-content in the butadiene rubber is 90-99 mass %.
12. according to the method described in any one in claim 9-11, wherein, the rubber matrix be solution polymerized butadiene styrene rubber or
The mixture of person's solution polymerized butadiene styrene rubber and butadiene rubber;Relative to the rubber matrix of 100 parts by weight, in the rubber matrix
The dosage of solution polymerized butadiene styrene rubber is 60-100 parts by weight, and the dosage of butadiene rubber is 0-40 parts by weight.
13. according to the method described in any one in claim 9-12, wherein, the described first condition being kneaded includes:Temperature
For 130-200 DEG C, time 2-12min;Preferably, the described first condition being kneaded includes:Temperature is 135-155 DEG C, the time
For 3-6min;Preferably,
Described second condition being kneaded includes:Temperature is 100-165 DEG C, time 3-12min;Preferably, described second it is kneaded
Condition include:Temperature is 110-130 DEG C, time 5-7min;Preferably,
Described 3rd condition being kneaded includes:Temperature is 80-140 DEG C, time 3-12min;Preferably, it is described 3rd be kneaded
Condition includes:Temperature is 110-130 DEG C, time 3-5min;Preferably,
Described 4th condition being kneaded includes:Temperature is the time 5-7min no more than 130 DEG C;Preferably,
The condition of the vulcanization includes:Temperature is 150-170 DEG C, pressure 10-20MPa, time 30-50min.
14. according to the method described in any one in claim 9-13, wherein, the N2 adsorption specific surface area of the white carbon is
10-200m2/g;The CTAB adsorption specific surface areas of the carbon black are 10-300m2/g;Preferably,
The initiator is selected from cumyl peroxide, benzoyl peroxide, peroxidating two (2,4 dichloro benzene formyl), peroxidating
At least one of diacetyl, dioctanoyl peroxide and dilauroyl peroxide;Preferably,
The age resistor is at least one of amines antioxidants, quinoline type antioxidant and benzimidazole age resistor;Preferably,
The softening agent is at least one of aromatic naphtha, paraffin oil, naphthenic oil, Petropols and polyethylene glycol;Preferably,
The activator is the composition or fatty acid metal soap salt of metal oxide and aliphatic acid;Preferably,
The accelerator is in sulfenamide type accelerators, thiazole accelerator, thuriam acceserator and guanidines
It is at least one;Preferably,
The vulcanizing agent is sulphur and/or sulfur donor.
15. the vulcanization rubber being prepared as the method described in any one in claim 9-14.
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CN110551237A (en) * | 2018-06-01 | 2019-12-10 | 中国石油化工股份有限公司 | modified styrene-butadiene rubber and preparation method thereof, rubber composition, vulcanized rubber and preparation method and application thereof |
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CN113388119A (en) * | 2021-06-04 | 2021-09-14 | 诚展(清远)鞋业有限公司 | Preparation method of polyhydroxysilane modified butadiene rubber and ozone aging resistant rubber |
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