CN105906878A - Multistage mixing method for rubber with high white carbon black filling volume - Google Patents
Multistage mixing method for rubber with high white carbon black filling volume Download PDFInfo
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- CN105906878A CN105906878A CN201610275928.XA CN201610275928A CN105906878A CN 105906878 A CN105906878 A CN 105906878A CN 201610275928 A CN201610275928 A CN 201610275928A CN 105906878 A CN105906878 A CN 105906878A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
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- 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
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Abstract
The invention discloses a multistage mixing method for rubber with a high white carbon black filling volume, and relates to the field of rubber mixing. The multistage mixing method includes steps of (1), preparing first-stage rubber master batch, to be more specific, a carrying out a raw rubber plastication stage, b carrying out a quick heating stage, c carrying out a slow heating stage I, d carrying out a slow heating stage II and e carrying out a constant-temperature reaction stage; (2), preparing second-stage rubber master batch, to be more specific, carrying out a step a, b carrying out a quick heating stage, c carrying out a slow heating stage I, d carrying out a slow heating stage II and e carrying out a constant-temperature reaction stage. The multistage mixing method for the rubber with the high white carbon black filling volume has the advantages that sufficient reaction is carried out on rubber, white carbon black and silane coupling agents, which participate in silylation reaction, in the first-stage rubber master batch, influence of other auxiliary materials on reaction between the white carbon black and the silane coupling agents can be prevented, and accordingly the silylation reaction degree of the white carbon black can be upgraded.
Description
Technical field
The present invention relates to rubber compounding art, particularly relate to the multisection type compounding process of the rubber of a kind of high white carbon loading.
Background technology
Along with the continuous progress of domestic green tire technology, start to apply substantial amounts of white carbon to replace white carbon black as main supporting material in tire tread rubber.Owing to white carbon belongs to inorganic filler, itself is very poor with the compatibility of rubber.Silane coupler is the most generally used to help white carbon to disperse.And this process belongs to the chemistry endothermic reaction, need to carry out at a certain temperature.Therefore the present invention provides a kind of thermostatically controlled calendering process of white carbon rubber, while making white carbon fully dispersed in rubber, reaches higher Silanization reaction degree, so that rubber obtains more preferable dynamic property, reduces tire drag.
Summary of the invention
The shortcoming that the present invention is to solve above-mentioned prior art, it is provided that the multisection type compounding process of the rubber of a kind of high white carbon loading, it is possible to increase the Silanization reaction degree of white carbon.
Invention is achieved in that the multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 50-60rpm, pressurizes the 15-30 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 1-6 of 6%-12% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 80-100, keeps rotating speed 50-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-110 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 40-50rpm, keep this rotating speed, ram piston pressure 5-6kg/cm2, it is warming up to 110-125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30-40rpm, and temperature reaches latter 145-150 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 15-35 rpm, after continuing the 60-100 second, adding weight portion is the softening agent of 10-25, and proceeds the constant temperature mixing 60-100 second；
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 50-60rpm, pressurize the 15-25 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: adding weight portion is, after the activating agent of 2-6, weight portion are the age resistor of 1-4 and resin that weight portion is 1-3, to close feeding gate, keep rotating speed 50-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-110 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 40-50rpm, ram piston pressure 5-6kg/cm2, it is warming up to 120-135 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30-40rpm, and temperature reaches 140-145 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 12-30 rpm, after continuing the 30-60 second, adding weight portion is the softening agent of 3-10, and proceeds the constant temperature mixing 30-60 second.
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 55-60rpm, pressurizes the 18-28 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 2-5 of 8%-11% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 85-95, keeps rotating speed 55-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 100-105 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 43-48rpm, keep this rotating speed, ram piston pressure 5-6kg/cm2, it is warming up to 115-120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 33-37rpm, and temperature reaches latter 145-150 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 20-30 rpm, after continuing the 70-90 second, adding weight portion is the softening agent of 15-20, and proceeds the constant temperature mixing 70-100 second；
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 55-60rpm, pressurize the 18-22 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: adding weight portion is, after the activating agent of 3-5, weight portion are the age resistor of 2-3 and resin that weight portion is 2-3, to close feeding gate, keep rotating speed 55-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-105 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 43-48rpm, ram piston pressure 5-6kg/cm2, it is warming up to 120-130 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 33-37rpm, and temperature reaches 142-143 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 15-25 rpm, after continuing the 35-50 second, adding weight portion is the softening agent of 5-8, and proceeds the constant temperature mixing 40-60 second.
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 60rpm, pressurizes 25 seconds, the ram piston pressure 6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 3 of 10% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 90, keeps rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 45rpm, keep this rotating speed, ram piston pressure 6kg/cm2, it is warming up to 120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 35rpm, and temperature reaches latter 148 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 25 rpm, after continuing 80 seconds, adding weight portion is the softening agent of 20, and proceeds constant temperature mixing 100 seconds；
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 60rpm, pressurize 20 seconds, the ram piston pressure 6kg/cm of banbury2；B, be rapidly heated the stage: add activating agent that weight portion is 4, weight portion be 3 age resistor and resin that weight portion is 2 after, close feeding gate, keep rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 45rpm, ram piston pressure 6kg/cm2, it is warming up to 125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 35rpm, and temperature reaches 143 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 20 rpm, after continuing 40 seconds, adding weight portion is the softening agent of 6, and proceeds constant temperature mixing 60 seconds.
Described banbury is BB430 banbury.
Described White carbon black dispersant is modified zinc soap salt.
Described softening agent is environment-friendly aromatic oil TDAE.Environment-friendly aromatic oil TDAE manufacturer is that Germany's Chinese is holy.
Described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.Age resistor 6PPD manufacturer is that Shandong sage is difficult to understand, and octyl group resin SP1068 manufacturer is Sheng Laikete.
Relative to prior art, the invention has the beneficial effects as follows:
The present invention provides the multisection type compounding process of the rubber of a kind of high white carbon loading, the participation rubber of Silanization reaction, white carbon, silane coupler are placed in one section of rubber master batch and fully react, avoid the impact that white carbon and coupling agent are reacted by other adjuvants, thus improve the Silanization reaction degree of white carbon.
Accompanying drawing explanation
Fig. 1 is the measurement result figure of the Penn effect of experimental example of the present invention.
Fig. 2 is the measurement result figure of 60 DEG C of strain sweep of experimental example of the present invention.
Detailed description of the invention
Embodiment 1
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 50-60rpm, pressurizes the 15-30 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 1-6 of 6%-12% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 80-100, keeps rotating speed 50-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-110 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 40-50rpm, keep this rotating speed, ram piston pressure 5-6kg/cm2, it is warming up to 110-125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30-40rpm, and temperature reaches latter 145-150 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 15-35 rpm, after continuing the 60-100 second, adding weight portion is the softening agent of 10-25, and proceed the constant temperature mixing 60-100 second, by controlling at a higher temperature, making white carbon more abundant with the Silanization reaction of coupling agent, the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 50-60rpm, pressurize the 15-25 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: adding weight portion is, after the activating agent of 2-6, weight portion are the age resistor of 1-4 and resin that weight portion is 1-3, to close feeding gate, keep rotating speed 50-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-110 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 40-50rpm, ram piston pressure 5-6kg/cm2, it is warming up to 120-135 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30-40rpm, and temperature reaches 140-145 DEG C；In the temperature rise period, controlling after rate of rise in temperature, temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 12-30 rpm, after continuing the 30-60 second, adding weight portion is the softening agent of 3-10, and proceed the constant temperature mixing 30-60 second, at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 55-60rpm, pressurizes the 18-28 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 2-5 of 8%-11% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 85-95, keeps rotating speed 55-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 100-105 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 43-48rpm, keep this rotating speed, ram piston pressure 5-6kg/cm2, it is warming up to 115-120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 33-37rpm, and temperature reaches latter 145-150 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 20-30 rpm, after continuing the 70-90 second, adding weight portion is the softening agent of 15-20, and proceed the constant temperature mixing 70-100 second, by controlling at a higher temperature, making white carbon more abundant with the Silanization reaction of coupling agent, the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 55-60rpm, pressurize the 18-22 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: adding weight portion is, after the activating agent of 3-5, weight portion are the age resistor of 2-3 and resin that weight portion is 2-3, to close feeding gate, keep rotating speed 55-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-105 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 43-48rpm, ram piston pressure 5-6kg/cm2, it is warming up to 120-130 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 33-37rpm, and temperature reaches 142-143 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 15-25 rpm, after continuing the 35-50 second, adding weight portion is the softening agent of 5-8, and proceed the constant temperature mixing 40-60 second, at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 60rpm, pressurizes 25 seconds, the ram piston pressure 6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 3 of 10% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 90, keeps rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 45rpm, keep this rotating speed, ram piston pressure 6kg/cm2, it is warming up to 120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 35rpm, and temperature reaches latter 148 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 25 rpm, after continuing 80 seconds, adding weight portion is the softening agent of 20, and proceed constant temperature mixing 100 seconds, by controlling at a higher temperature, making white carbon more abundant with the Silanization reaction of coupling agent, the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 60rpm, pressurize 20 seconds, the ram piston pressure 6kg/cm of banbury2；B, be rapidly heated the stage: add activating agent that weight portion is 4, weight portion be 3 age resistor and resin that weight portion is 2 after, close feeding gate, keep rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 45rpm, ram piston pressure 6kg/cm2, it is warming up to 125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 35rpm, and temperature reaches 143 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 20 rpm, after continuing 40 seconds, adding weight portion is the softening agent of 6, and proceeds constant temperature mixing 60 seconds, at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
Described banbury is BB430 banbury.
Described White carbon black dispersant is modified zinc soap salt.
Described softening agent is environment-friendly aromatic oil TDAE.
Described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.
Embodiment 2
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 50rpm, pressurizes 15 seconds, the ram piston pressure 5kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 1 of 6% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 80, keeps rotating speed 50rpm, ram piston pressure 5kg/cm2, it is warming up to 95 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 40rpm, keep this rotating speed, ram piston pressure 5kg/cm2, it is warming up to 110 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30rpm, and temperature reaches latter 145 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 15 rpm, after continuing 60 seconds, adding weight portion is the softening agent of 10, and proceed constant temperature mixing 60 seconds, by controlling at a higher temperature, making white carbon more abundant with the Silanization reaction of coupling agent, the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 50rpm, pressurize 15 seconds, the ram piston pressure 5kg/cm of banbury2；B, be rapidly heated the stage: add activating agent that weight portion is 2, weight portion be 1 age resistor and resin that weight portion is 1 after, close feeding gate, keep rotating speed 50rpm, ram piston pressure 5kg/cm2, it is warming up to 95 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 40rpm, ram piston pressure 5kg/cm2, it is warming up to 120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30rpm, and temperature reaches 140 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 12 rpm, after continuing 30 seconds, adding weight portion is the softening agent of 3, and proceeds constant temperature mixing 30 seconds, at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
Described banbury is BB430 banbury.
Described White carbon black dispersant is modified zinc soap salt.
Described softening agent is environment-friendly aromatic oil TDAE.
Described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.
Embodiment 3
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 60rpm, pressurizes 30 seconds, the ram piston pressure 6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 6 of 12% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 100, keeps rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 110 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 50rpm, keep this rotating speed, ram piston pressure 6kg/cm2, it is warming up to 125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 40rpm, and temperature reaches latter 150 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 35 rpm, after continuing 100 seconds, adding weight portion is the softening agent of 25, and proceed constant temperature mixing 100 seconds, by controlling at a higher temperature, making white carbon more abundant with the Silanization reaction of coupling agent, the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 60rpm, pressurize 25 seconds, the ram piston pressure 6kg/cm of banbury2；B, be rapidly heated the stage: add activating agent that weight portion is 6, weight portion be 4 age resistor and resin that weight portion is 3 after, close feeding gate, keep rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 110 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 50rpm, ram piston pressure 6kg/cm2, it is warming up to 135 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 40rpm, and temperature reaches 145 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 30 rpm, after continuing 60 seconds, adding weight portion is the softening agent of 10, and proceed constant temperature mixing 60 seconds, at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
Described banbury is BB430 banbury.
Described White carbon black dispersant is modified zinc soap salt.
Described softening agent is environment-friendly aromatic oil TDAE.
Described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.
Embodiment 4
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 60rpm, pressurizes 25 seconds, the ram piston pressure 6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 3 of 10% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 90, keeps rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 45rpm, keep this rotating speed, ram piston pressure 6kg/cm2, it is warming up to 120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 35rpm, and temperature reaches latter 148 DEG C, control after rate of rise in temperature, temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 25 rpm, after continuing 80 seconds, adding weight portion is the softening agent of 20, and proceed constant temperature mixing 100 seconds, by controlling at a higher temperature, making white carbon more abundant with the Silanization reaction of coupling agent, the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 60rpm, pressurize 20 seconds, the ram piston pressure 6kg/cm of banbury2；B, be rapidly heated the stage: add activating agent that weight portion is 4, weight portion be 3 age resistor and resin that weight portion is 2 after, close feeding gate, keep rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 45rpm, ram piston pressure 6kg/cm2, it is warming up to 125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 35rpm, and temperature reaches 143 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 20 rpm, after continuing 40 seconds, adding weight portion is the softening agent of 6, and proceeds constant temperature mixing 60 seconds, at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
Described banbury is BB430 banbury.
Described White carbon black dispersant is modified zinc soap salt.
Described softening agent is environment-friendly aromatic oil TDAE.
Described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.
Embodiment 5
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 55rpm, pressurizes 18 seconds, the ram piston pressure 5kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 2 of 8% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 85, keeps rotating speed 55rpm, ram piston pressure 5kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 43rpm, keep this rotating speed, ram piston pressure 5kg/cm2, it is warming up to 115 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 33rpm, and temperature reaches latter 145 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 20rpm, after continuing 70 seconds, adding weight portion is the softening agent of 15, and proceed constant temperature mixing 70 seconds, by controlling at a higher temperature, making white carbon more abundant with the Silanization reaction of coupling agent, the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 55rpm, pressurize 18 seconds, the ram piston pressure 5kg/cm of banbury2；B, be rapidly heated the stage: add activating agent that weight portion is 3, weight portion be 2 age resistor and resin that weight portion is 2 after, close feeding gate, keep rotating speed 55rpm, ram piston pressure 5kg/cm2, it is warming up to 95 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 43rpm, ram piston pressure 5kg/cm2, it is warming up to 120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 33rpm, and temperature reaches 142 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 15 rpm, after continuing 35 seconds, adding weight portion is the softening agent of 5, and proceeds constant temperature mixing 40 seconds, at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
Described banbury is BB430 banbury.
Described White carbon black dispersant is modified zinc soap salt.
Described softening agent is environment-friendly aromatic oil TDAE.
Described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.
Embodiment 6
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 60rpm, pressurizes 28 seconds, the ram piston pressure 6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 5 of 11% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 95, keeps rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 105 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 48rpm, keep this rotating speed, ram piston pressure 6kg/cm2, it is warming up to 120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 37rpm, and temperature reaches latter 150 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: enter constant temperature mixing control program, rotating speed controls at 30 rpm, after continuing 90 seconds, adding weight portion is the softening agent of 20, and proceed constant temperature mixing 100 seconds, by controlling at a higher temperature, making white carbon more abundant with the Silanization reaction of coupling agent, the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 60rpm, pressurize 22 seconds, the ram piston pressure 6kg/cm of banbury2；B, be rapidly heated the stage: add activating agent that weight portion is 5, weight portion be 3 age resistor and resin that weight portion is 3 after, close feeding gate, keep rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 105 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 48rpm, ram piston pressure 6kg/cm2, it is warming up to 130 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 37rpm, and temperature reaches 143 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 25 rpm, after continuing 50 seconds, adding weight portion is the softening agent of 8, and proceeds constant temperature mixing 60 seconds, at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
Described banbury is BB430 banbury.
Described White carbon black dispersant is modified zinc soap salt.
Described softening agent is environment-friendly aromatic oil TDAE.
Described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.
Other embodiments
The multisection type compounding process of the rubber of a kind of high white carbon loading, comprises the steps:
(1) one section of rubber master batch preparation process:
Table 1
Implement the steps of according to the embodiment of each variable in table 1:
A, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 50-60rpm, pressurizes the 15-30 second, the ram piston pressure 5-6kg/cm of banbury2；
Table 2
Carry out rubber according to any embodiment in embodiment 7-22 in table 1 to plasticate the stage, and implement the steps of according to the embodiment of each variable in table 2:
B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 1-6 of 6%-12% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 80-100, keeps rotating speed 50-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-110 DEG C；
Table 3
Carry out rubber according to any embodiment combination in any embodiment in table 1 and table 2 plasticate the stage and be rapidly heated the stage, and implement the steps of according to the embodiment of each variable in table 3:
C, at a slow speed temperature rise period I: rotating speed is reduced to 40-50rpm, keep this rotating speed, ram piston pressure 5-6kg/cm2, it is warming up to 110-125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30-40rpm, and temperature reaches latter 145-150 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.
Table 4
Combine according to any embodiment in any embodiment in table 1, table 2 and any embodiment in table 3 and carry out the rubber stage of plasticating, the stage of being rapidly heated, at a slow speed temperature rise period I and temperature rise period II at a slow speed, and implement the steps of according to the embodiment of each variable in table 4:
E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 15-35
Rpm, after continuing the 60-100 second, adding weight portion is the softening agent of 10-25, and proceeds the constant temperature mixing 60-100 second, by controlling at a higher temperature, makes white carbon more abundant with the Silanization reaction of coupling agent, and the dynamic property of rubber is more preferable.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
(2) two-stage nitration rubber master batch preparation process:
Table 5
According to table 1-4, any embodiment combination in each table carries out one section of rubber master batch and prepares, and implements the steps of according to the embodiment of each variable in table 5:
A, first one section of rubber master batch is added banbury, rotating speed 50-60rpm, pressurize the 15-25 second, the ram piston pressure 5-6kg/cm of banbury2；
Table 6
According to table 1-5, any embodiment combination in each table carries out one section of rubber master batch preparation and two-stage nitration rubber master batch preparation process a, and implements the steps of according to the embodiment of each variable in table 6:
B, it is rapidly heated the stage: adding weight portion is, after the activating agent of 2-6, weight portion are the age resistor of 1-4 and resin that weight portion is 1-3, to close feeding gate, keep rotating speed 50-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-110 DEG C；
Table 7
According to table 1-6, any embodiment combination in each table carries out prepared by one section of rubber master batch, prepared by two-stage nitration rubber master batch preparation process a and two-stage nitration rubber master batch is rapidly heated the stage, and implements the steps of according to the embodiment of each variable in table 7:
C, at a slow speed temperature rise period I: rotating speed is reduced to 40-50rpm, ram piston pressure 5-6kg/cm2, it is warming up to 120-135 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30-40rpm, and temperature reaches 140-145 DEG C, controls after rate of rise in temperature, and temperature controls more stable, prevents temperature from rising and too fast makes rubber that incipient scorch in early days to occur.
Table 8
According to table 1-7, any embodiment combination in each table carries out prepared by one section of rubber master batch, prepared by two-stage nitration rubber master batch preparation process a, two-stage nitration rubber master batch is rapidly heated the stage,, temperature rise period II at a slow speed that prepare of temperature rise period at a slow speed I of preparing of two-stage nitration rubber master batch and two-stage nitration rubber master batch, and implement the steps of according to the embodiment of each variable in table 8:
E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 12-30
Rpm, after continuing the 30-60 second, adding weight portion is the softening agent of 3-10, and proceeds the constant temperature mixing 30-60 second, and at a temperature of the isothermal reaction stage, Silanization reaction can continue to carry out, thus obtains more preferable dynamic property.Avoid rubber because the sulfur in coupling agent occurs incipient scorch in early days simultaneously.Because high number white carbon rubber temperature under 15rpm-35rpm rotating speed may proceed to rise, add after softening agent and can stablize mixing temperature, prevent temperature from rising and too fast make rubber that incipient scorch in early days to occur.
In one embodiment of any of the above: described banbury is BB430 banbury.Described White carbon black dispersant is modified zinc soap salt.Described softening agent is environment-friendly aromatic oil TDAE.Described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.
Experimental example
6 groups of experimental grouies are set, it is respectively the rubber VI that the mixing worth rubber I of traditional rubber, the prepared rubber II of embodiment 2, the prepared rubber III of embodiment 3, the prepared rubber IV of embodiment 4, the prepared rubber V of embodiment 5 and embodiment 6 prepare, these 6 groups experiments are carried out the mensuration of Penn effect and 60 DEG C of strain sweep, the experimental result obtained is as depicted in figs. 1 and 2, test result indicate that: Panye effect produces under the conditions of little amplitude cyclic loading, expression is the rubber viscoelastic storage modulu dependency to applied stress amplitude.Stress amplitude about more than 0.1% time, storage modulu can decline rapidly along with the increase of amplitude；When stress amplitude sufficiently large (general 20%), storage modulu reaches a lower limit；It is the least that storage modulus declines, and Penn effect is the most weak, shows that white carbon is scattered the best.Rubber I does not use the compounding process of the present invention as can be seen from Figure 1, and storage modulus has and the most significantly declines.Rubber II is then unreasonable with White carbon black dispersant consumption due to coupling agent, and in compounding process, the time is shorter, and storage modulus also has and the most significantly declines.Show the white carbon dispersion of other four rubbery samples more preferably.The fissipation factor that rubber is 60 DEG C can characterize the size of its hysteresis loss.Rubber I as can be seen from Figure 2, the hysteresis loss of rubber II is relatively big (i.e. tire drag is bigger), delayed relatively small many (tire drag is less) of other four rubbery samples.
Embodiment described above, the simply one of the present invention more preferably detailed description of the invention, the usual variations and alternatives that those skilled in the art is carried out in the range of technical solution of the present invention are intended to be included in protection scope of the present invention.
Claims (7)
1. the multisection type compounding process of the rubber of one kind high white carbon loading, it is characterised in that: comprise the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 50-60rpm, pressurizes the 15-30 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 1-6 of 6%-12% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 80-100, keeps rotating speed 50-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-110 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 40-50rpm, keep this rotating speed, ram piston pressure 5-6kg/cm2, it is warming up to 110-125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30-40rpm, and temperature reaches latter 145-150 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 15-35 rpm, after continuing the 60-100 second, adding weight portion is the softening agent of 10-25, and proceeds the constant temperature mixing 60-100 second；
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 50-60rpm, pressurize the 15-25 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: adding weight portion is, after the activating agent of 2-6, weight portion are the age resistor of 1-4 and resin that weight portion is 1-3, to close feeding gate, keep rotating speed 50-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-110 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 40-50rpm, ram piston pressure 5-6kg/cm2, it is warming up to 120-135 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 30-40rpm, and temperature reaches 140-145 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 12-30 rpm, after continuing the 30-60 second, adding weight portion is the softening agent of 3-10, and proceeds the constant temperature mixing 30-60 second.
The multisection type compounding process of the rubber of high white carbon loading the most according to claim 1, it is characterised in that: comprise the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 55-60rpm, pressurizes the 18-28 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 2-5 of 8%-11% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 85-95, keeps rotating speed 55-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 100-105 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 43-48rpm, keep this rotating speed, ram piston pressure 5-6kg/cm2, it is warming up to 115-120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 33-37rpm, and temperature reaches latter 145-150 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 20-30 rpm, after continuing the 70-90 second, adding weight portion is the softening agent of 15-20, and proceeds the constant temperature mixing 70-100 second；
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 55-60rpm, pressurize the 18-22 second, the ram piston pressure 5-6kg/cm of banbury2；B, it is rapidly heated the stage: adding weight portion is, after the activating agent of 3-5, weight portion are the age resistor of 2-3 and resin that weight portion is 2-3, to close feeding gate, keep rotating speed 55-60rpm, ram piston pressure 5-6kg/cm2, it is warming up to 95-105 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 43-48rpm, ram piston pressure 5-6kg/cm2, it is warming up to 120-130 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 33-37rpm, and temperature reaches 142-143 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 15-25 rpm, after continuing the 35-50 second, adding weight portion is the softening agent of 5-8, and proceeds the constant temperature mixing 40-60 second.
The multisection type compounding process of the rubber of high white carbon loading the most according to claim 1, it is characterised in that: comprise the steps:
(1) one section of rubber master batch preparation process: a, rubber are plasticated the stage: the solution polymerized butadiene styrene rubber that weight portion is 100 is put into banbury, rotating speed 60rpm, pressurizes 25 seconds, the ram piston pressure 6kg/cm of banbury2；B, it is rapidly heated the stage: after adding silane coupler and the White carbon black dispersant that weight portion is 3 of 10% white carbon weight portion, closing feeding gate, adding weight portion is the white carbon of 90, keeps rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 45rpm, keep this rotating speed, ram piston pressure 6kg/cm2, it is warming up to 120 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 35rpm, and temperature reaches latter 148 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 25 rpm, after continuing 80 seconds, adding weight portion is the softening agent of 20, and proceeds constant temperature mixing 100 seconds；
(2) two-stage nitration rubber master batch preparation process: a, first one section of rubber master batch is added banbury, rotating speed 60rpm, pressurize 20 seconds, the ram piston pressure 6kg/cm of banbury2；B, be rapidly heated the stage: add activating agent that weight portion is 4, weight portion be 3 age resistor and resin that weight portion is 2 after, close feeding gate, keep rotating speed 60rpm, ram piston pressure 6kg/cm2, it is warming up to 100 DEG C；C, at a slow speed temperature rise period I: rotating speed is reduced to 45rpm, ram piston pressure 6kg/cm2, it is warming up to 125 DEG C；D, at a slow speed temperature rise period II: rotating speed is reduced to 35rpm, and temperature reaches 143 DEG C；E, isothermal reaction stage: entering constant temperature mixing control program, rotating speed controls at 20 rpm, after continuing 40 seconds, adding weight portion is the softening agent of 6, and proceeds constant temperature mixing 60 seconds.
4. according to the multisection type compounding process of the rubber of the arbitrary described high white carbon loading of claim 1-3, it is characterised in that: described banbury is BB430 banbury.
5. according to the multisection type compounding process of the rubber of the arbitrary described high white carbon loading of claim 1-3, it is characterised in that: described White carbon black dispersant be modification zinc soap salt.
6. according to the multisection type compounding process of the rubber of the arbitrary described high white carbon loading of claim 1-3, it is characterised in that: described softening agent is environment-friendly aromatic oil TDAE.
7. according to the multisection type compounding process of the rubber of the arbitrary described high white carbon loading of claim 1-3, it is characterised in that: described activating agent is zinc oxide, and age resistor is 6PPD, and resin is octyl group resin SP1068.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107011556A (en) * | 2017-04-24 | 2017-08-04 | 特拓(青岛)轮胎技术有限公司 | A kind of tread rubber composition of all-year tire |
| CN107144502A (en) * | 2017-06-29 | 2017-09-08 | 中策橡胶集团有限公司 | A kind of white carbon characterizing method dispersed in sizing material |
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| CN104356454A (en) * | 2014-11-20 | 2015-02-18 | 三角轮胎股份有限公司 | Tread rubber composition containing 1,2-syndiotatic polybutadiene and preparation method of tread rubber composition |
| CN104441302A (en) * | 2014-11-14 | 2015-03-25 | 青岛科技大学 | Constant-temperature mixing method of white carbon black formula silane coupled reaction |
| CN105218902A (en) * | 2015-11-04 | 2016-01-06 | 风神轮胎股份有限公司 | High-performance tire rubber combination and production technique thereof |
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| CN103302755A (en) * | 2013-07-01 | 2013-09-18 | 三角（威海）华盛轮胎有限公司 | Thermostatic mixing method of internal mixer |
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| CN104356454A (en) * | 2014-11-20 | 2015-02-18 | 三角轮胎股份有限公司 | Tread rubber composition containing 1,2-syndiotatic polybutadiene and preparation method of tread rubber composition |
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| CN107011556A (en) * | 2017-04-24 | 2017-08-04 | 特拓(青岛)轮胎技术有限公司 | A kind of tread rubber composition of all-year tire |
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| CN107144502B (en) * | 2017-06-29 | 2019-12-20 | 中策橡胶集团有限公司 | Characterization method of dispersibility of white carbon black in sizing material |
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Application publication date: 20160831 |