CN107686536A - The industrial process of trans 1,4 butadiene-isoprene copolymer rubber and the device for implementing this method - Google Patents

The industrial process of trans 1,4 butadiene-isoprene copolymer rubber and the device for implementing this method Download PDF

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CN107686536A
CN107686536A CN201710913932.9A CN201710913932A CN107686536A CN 107686536 A CN107686536 A CN 107686536A CN 201710913932 A CN201710913932 A CN 201710913932A CN 107686536 A CN107686536 A CN 107686536A
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butadiene
catalyst
isoprene
monomer
polymer
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CN107686536B (en
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邵华锋
王日国
贺爱华
刘晨光
聂华荣
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Shandong Huaju High Polymer Material Co Ltd
Qingdao University of Science and Technology
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Shandong Huaju High Polymer Material Co Ltd
Qingdao University of Science and Technology
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F236/00Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F236/02Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F236/04Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • C08F236/08Isoprene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2296Oxides; Hydroxides of metals of zinc

Abstract

The present invention relates to the device of the industrial process of trans 1,4 butadiene-isoprene copolymer rubber (TBIR) and implementation this method.The production method one:Solvent, butadiene and the isoprene of scheduled volume deliver to polyplant, implement solution copolymerization in the presence of catalyst, obtain TBIR.The production method two:Solvent, butadiene and isoprene are delivered into polymer reactor according to predetermined close, implement solution copolymerization in the presence of catalyst, the mol ratio of butadiene and isoprene in maintenance system, obtains TBIR.Polymer slurries carry out drying, granulation and the packaging of micelle after terminating, condensing.Solvent and unreacted monomer through separating, it is refined after, return to polyplant or storage tank.The process units includes recovery refined unit, polymerized unit, post-processing unit and public work unit.By the production method and device, solwution method prepares TBIR and realizes industrialized production.

Description

Anti-form-1, the industrial process of 4- butadiene-isoprene copolymer glues and implementation The device of this method
Technical field
The present invention relates to anti-form-1 in petrochemical industry, 4- structures butadiene-isoprene copolymer glue (TBIR) system Standby technical field, and in particular to be a kind of solwution method production anti-form-1, the work of 4- structure butadiene-isoprene copolymer glues Industry production method and the device for implementing this method.
Background technology
Anti-form-1,4- structures butadiene-isoprene copolymer glue (TBIR) are on anti-form-1,4- polyisoprene basis The elastomeric material of new generation of upper development, compared with common natural rubber, the maximum feature of this material is that dynamic property is good, heat Low, wearability is good, is the good material for manufacturing high-performance energy-conserving and environment-protective tire.Its excellent fatigue performance and low-heat-generation performance, It will be widely used on various yielding rubber materials.Patent (US 5100965, WO 9723521, US 4020115, US5844044, UK 2029426) disclose high trans structure butadiene isoprene copolymer excellent physical mechanics Performance, particularly fatigue durability and resistance to breach growth property can be excellent, are the preferable sizing materials for developing high-performance tire.
TBIR synthesis mainly uses coordination polymerization catalysts such as pi-allyl Raney nickel system, TiCl4/VOCl3/Al (i-Bu)3Catalyst system, allyl chromium-silicate catalyst system, lanthanide metal compound catalyst system [Dokl.Akad.Nauk SSSR,1976;Ger.Pat.2331921,1975;Dokl.Akad.Nauk SSSR,1973;Prom- st Sint Kauch,1982;Unexamined Patent 2-60907,1990] etc., and anionic alkyl group lithium system [US 4020115, 1997;UK Pat 2029426,1980;US 5100965,1992].But above-mentioned system has that catalytic efficiency is low or trans knot The problem of structure content is low.
Supported titanium System Catalyst [JP 60-42412,1985;Elastomer, 2002;Macromolecule journal, 2002;Synthesis Rubber industry, 2002] can synthesize transconfiguration content higher than 97%, monomer composition can be adjusted in copolymer TBIR, its catalytic efficiency is higher, can reach 30000 times.Chinese invention patent ZL201210138621.7 discloses a kind of anti- The butadiene-isoprene copolymer glue of formula-Isosorbide-5-Nitrae-structure, its transconfiguration content are more than 90%, in copolymer butadiene and The composition of isoprene is respectively 0.5-80% and 20-99.5%.Meanwhile the microstructure sequence distribution of its two kinds of monomers can be with It is gradient distribution or equally distributed.But the patent uses polymerisation in bulk, the polymerization later stage can cause system viscosity to increase severely, reactor Motor can not normal operation, therefore monomer conversion generally it is very low, no more than 20%-25%.The patent is not directed to solvent simultaneously Recovery and refinement treatment with monomer.Solution polymerization is the polymerization commonly used in current synthetic rubber, can be solved above-mentioned The viscosity sharp increase problem that polymerisation in bulk is brought.
In order to overcome the above-mentioned difficulty and shortcoming for referring to patented technology, present patent application provides one kind to use solution legal system Standby anti-form-1, the industrial process of 4- structures butadiene-isoprene copolymer glue (TBIR) and the device for implementing this method.
The content of the invention
More than in view of, one of main object of the present invention is to provide a kind of solution polymerization process industrial production anti-form-1,4- knots The production method of the butadiene-isoprene copolymer glue (TBIR) of structure.
The two of the main object of the present invention, which are to provide, implements the above-mentioned industrial device of TBIR solution polymerization process.
To achieve the above object, a kind of anti-form-1 of the invention, the butadiene-isoprene copolymer glue solution of 4- structures Polymer industry production method, the production method can be method one or method two,
Method one:
(1) polyplant through application of vacuum and nitrogen be sufficiently displaced from remove water oxygen after, by proportioner in order successively By refined solvent, isoprene monomer, divinylic monomer, co-catalyst, electron donor, major catalyst and molecular weight regulator It is sent to respectively according to predetermined close in polymer reactor, the mol ratio of titanium and/or v element and monomer is 0.01 in major catalyst ~100 × 10-5:1, Al elements and the titanium in major catalyst and/or the mol ratio of v element in co-catalyst are 1~500:1, Molecular weight regulator is 0.01~2000 with the mol ratio of titanium and/or v element in catalyst:1, in electron donor and catalyst The mol ratio of titanium and/or v element is 0~10:1, co-polymerization temperature is 20~90 DEG C, and butadiene and feeding intake for isoprene are rubbed That ratio 0.01~50:100, the mass ratio of monomer and solvent is 10~30:100, constant temperature polymerize 1~48 hour;
(2) polymer slurries are added into terminator by pipelined to stop device, while in the entrance of stop device;
(3) polymer after step (2) termination is transported to coacervation device, is condensed into micelle;Solvent and unreacted list Body reclaims from coacervation device side line, separates and returns to polyplant or storage tank after refined;
(4) the micelle shaped polymer that step (3) obtains is after drying and dehydrating, then is transported to extruder, while to extrusion Machine adds age resistor and/or rubber chemicals, extruded granulation obtain granular anti-form-1,4- butadiene-isoprene copolymer rubbers Glue, after drying, measured and packed.
Method two:
(1) polyplant through application of vacuum and nitrogen be sufficiently displaced from remove water oxygen after, by feed proportioning system in order successively By refined solvent, isoprene monomer, divinylic monomer, co-catalyst, electron donor, major catalyst and molecular weight regulator It is sent to respectively according to predetermined close in polymer reactor, the mol ratio of titanium and/or v element and monomer is 0.01 in major catalyst ~100 × 10-5:1, Al elements and the titanium in major catalyst and/or the mol ratio of v element in co-catalyst are 1~500:1, Molecular weight regulator is 0.01~2000 with the mol ratio of titanium and/or v element in catalyst:1, in electron donor and catalyst The mol ratio of titanium and/or v element is 0~10:1, co-polymerization temperature is 20~90 DEG C, and butadiene and feeding intake for isoprene are rubbed That ratio 0.01~50:100, the mass ratio of monomer and solvent is 10~30:100, constant temperature polymerization;
(2) liquid monomer mole in polymerization system is monitored by on-Line Monitor Device to form, and by controlling proportioner Divinylic monomer is added to polymer reactor, keeps butadiene in step (1) and isoprene monomer mol ratio constant, holding Temperature-resistant, the constant temperature polymerization 1~48 hour of step (1);
(3) polymer slurries are added into terminator by pipelined to stop device, while in the entrance of stop device;
(4) polymer after step (3) termination is transported to coacervation device, solvent and unreacted monomer from coacervation device Side line reclaims, and separates and returns to paradigmatic system or storage tank after refined;Polymer becomes micelle shape in condensing field;
(5) the micelle shaped polymer that step (4) obtains is after drying and dehydrating, is transported to extruder, while to extruder Add age resistor and/or a certain amount of rubber chemicals, extruded granulation obtain granular anti-form-1,4- butadiene-isoprenes are total to Poly- rubber, after drying, measured and packed.
Using technical scheme provided by the invention, for the anti-form-1 of production, the butadiene-isoprene copolymer of 4- structures Rubber, for its copolymer composition with the extension in reaction time, copolymer rubber prepared by method one is the copolymer rubber of gradient composition, With the increase of conversion ratio, anti-form-1 in newly-generated copolymer rubber, 4- polyisoprene blocks are increasingly longer, and content is increasingly It is more;Copolymer rubber prepared by method two is the uniform copolymer rubber of composition, with the increase of conversion ratio, newly-generated copolymer rubber Composition does not change substantially.
Trans Isosorbide-5-Nitrae-structure molar content is more than 85% in copolymer rubber of the present invention, and butadiene rubs in copolymer rubber That content 0.1~50%, the Mooney viscosity (3+4 minutes at 100 DEG C) of copolymer rubber is 20~120.
In order that solution polymerization process prepares anti-form-1,4- butadiene-isoprene copolymer glues are achieved industrial production, The invention provides a set of industrialization reaction unit, the device includes recovery refined unit, polymerized unit, post-processing unit and public affairs With engineering unit, specifically include:
Reclaim refined unit include solvent, butadiene, the refining plant of isoprene and for recovered solvent and Unreacted monomer is separated and refined, and is delivered to the recovery separator of polymer reactor or storage tank;
Polymerized unit includes:
Proportioner:Solvent, butadiene, the metering of isoprene and pumping installations;Major catalyst, co-catalyst, to electricity Preparation, metering and the pumping installations of daughter;The refined and metering device of molecular weight regulator;
Polymerizing reactor:Including 1 set of autoclave, tower, annular tube type or tubular polymerization reactor that either more sets are connected;
Monitoring and control device:Including on-line temperature monitoring device, pressure on-line monitoring device, material on-line checking device and control Device;Material on-line checking device includes in-situ infrared spectroscopy, online viscosity detector;Material on-line controller includes material electromagnetism Valve, material flow gauge and Computer Control Unit;
Post-processing unit includes:
Stop device:Including finishing reactor and glue tank, finishing reactor is the tank reactor with stirring, glue Tank is used for the allotment of polymer between different batches;
Coacervation device:For recycling design and unreacted monomer, while obtain the polymer of micelle shape;Include 1 set or more The kettle of series connection is covered built with the condensing field and condenser of frame or propeller formula or anchor formula agitating paddle and steam pipe and layering tank;
Extruding pelletization device:For one in single screw extrusion machine, parallel dual-screw extruding machine, counter rotation twin screw extruder Kind, for the mixing of polymer and age resistor and/or rubber chemicals, and it is granulated;
Terminator, age resistor and rubber chemicals configuration, conveying device;
Public work unit:It is used to carry out temperature control to polymerization system including hot water or cold water and/or steam pipework device; Vacuum and high pure nitrogen device enter line replacement when being used for before polymerization with maintenance to paradigmatic system;Material lifting device is used for will be dry Polymer after dry sends to metering and packaging.
The method according to the invention, further solvent, butadiene and isoprene monomer are entered respectively before step (1) Row is refined.
The method according to the invention, the solvent in step (3) and method two in step (4) and unreacted list in method one Body recovery after, by separation and refining plant separation and purification, after can by proportioner return polymer reactor be polymerize or Solvent or single storage tank are pumped to respectively.
The method according to the invention, polymer is being transported to terminator simultaneously, terminator can passed through pipelined To terminator.
Polymer reactor of the present invention is optionally the polymer reactor using one or more sets series connection, and described is poly- It is either tubular reactor or the tower reactor or annular tube type of the tank reactor with ribbon impeller to close reactor Reactor.
Described major catalyst of the present invention is supported titanium and/or vanadium catalyst, wherein, titanium and/or v element account for The 1%~5% of catalyst gross mass, internal electron donor account for the 0%~20% of the gross mass of catalyst;The carrier of catalyst is selected from MgCl2、MgBr2、MgI2、SiO2In one kind;Titanium compound is selected from TiCl4、TiBr4Or TiI4In one kind;Vfanadium compound selects From VCl3、VBr3、VOCl3、VOBr3、VCl4、VBr4、V2O5In one or more;Internal electron donor be esters, ethers, ketone, One or more in anhydrides compound.
Co-catalyst of the present invention is triethyl aluminum, triisobutyl aluminium, dimethyl monochlor(in)ate aluminium, monomethyl dichloride Aluminium, diethyl monochlor(in)ate aluminium, an ethylaluminum dichloride, diisobutyl monochlor(in)ate aluminium, an isobutyl aluminium dichloride, alkyl aluminium hydride It is the one or more of diethyl aluminium hydride, ethyl hydride aluminium, hydrogenation aluminium isobutyl or diisobutylaluminium hydride.
Molecular weight regulator of the present invention be hydrogen, ethene, propylene, allene, 1,2- butadiene, cyclo-octadiene or It is more than one or both of alcohol, mercaptan, amine, phenol and its salt.Electron donor of the present invention is phosphoric acid ester, ethers, ketone One or more in class, anhydrides, phenols, silane compound.
Solvent of the present invention is inert hydrocarbon solvent, selected from pentane, isopentane, hexane, hexamethylene, methyl cyclohexane Alkane, normal heptane, normal octane, benzene, toluene, paraxylene, meta-xylene, isopropylbenzene, hydrogasoline and raffinate oil;Solvent and monomer Mass ratio be 10~30:100.
Stop device in apparatus of the present invention includes finishing reactor, the preparation of glue tank and terminator and metering device, Finishing reactor is the tank reactor with stirring, and glue tank is used for the allotment of polymer between different batches;In terminating reaction Device entrance can add terminator to polymer slurries;Described terminator be carbon monoxide, carbon dioxide, nitrogen, empty gas and water and One or both of alcohol, acid, ketone, amine, phenol containing 4~8 carbon atoms are mixed above, terminator and titanium in major catalyst And/or the mol ratio of v element is 1~100:1.
The purpose of coacervation device in apparatus of the present invention is for recycling design and unreacted monomer, while obtains micelle shape Polymer, comprising 1 set or the condensing field of more set series connection and condenser and layering tank, condensing field is built with frame or propeller Formula or anchor formula agitating paddle and steam pipe;
Described extruding pelletization device is in single screw extrusion machine, parallel dual-screw extruding machine, counter rotation twin screw extruder One kind.Polymer can add age resistor and/or rubber chemicals while extruding pelletization.
Age resistor of the present invention be 4010NA, MB, 2264,264, MBZ, 800A, 1010A, 1010,168, DSTP, 626th, the one or more in 4020 and 1076, age resistor are 0.01~1 with TBIR weight ratio:100;The rubber chemicals are stone Wax, aromatic naphtha, naphthenic oil, light dydrocarbon resin, stearic acid, calcium stearate, magnesium stearate, zinc oxide, silica, carbon black or on The one or more in modification derivant are stated, rubber chemicals are 10~50 with TBIR weight ratio:100.
The mol ratio of titanium and/or v element and monomer is 0.01~100 × 10 in major catalyst of the present invention-5:1, Molecular weight regulator is 0.01~2000 with the mol ratio of titanium and/or v element in catalyst:1, in electron donor and catalyst The mol ratio of titanium and/or v element is 0-10:1, co-polymerization temperature is 20~90 DEG C, and butadiene and isoprene feed intake mole Than 0.01~50:100, the mass ratio of monomer and solvent is 10~30:100, polymerization time is 1~48 hour.
Described extruder can be that single order or two rank above serial or parallel connections use, be used in series can obtain it is lower Solvent and content of monomer;It is used in parallel to improve yield.
The polymerization technique of the present invention can be intermittence type polymerization mode either continous way polymerization methodses.
The present invention can realize TBIR solution polymerization process industrial production by above method.
Brief description of the drawings
Describe the present invention in detail with reference to the accompanying drawings and detailed description.
Accompanying drawing 1 is the workflow diagram of the process units of the present invention
In figure, polymerized unit is polymerizing reactor;Recovery refined unit includes solvent refining, and butadiene refines, isoamyl Diene refines, and reclaims the separation of monomer and solvent and refined, catalyst, the configuration of molecular weight regulator and electron donor and meter Amount, the configuration and metering of monomer and solvent after refining;Post-processing unit includes termination, coacervation device and granulation, drying, packaging dress Put.
Embodiment
In order to preferably explain the technological process of production and process units workflow of the present invention, to describe the present invention in detail Technological means, feature and the purpose reached of realization, with reference to embodiment, the present invention is furture elucidated.
Following examples raw materials of the present invention are:
Butadiene, Qilu Petrochemical, polymer grade, purity>99.0%;Isoprene, Kingsoft petrochemical industry, polymer grade, purity> 99.0%;Normal heptane, Qilu Petrochemical, purity>99.0%;Heterogeneous supported titanium catalyst, self-control, MgCl2Load TiCl4Catalysis Agent, it is 3.2% to carry titanium amount;Heterogeneous load vanadium catalyst, self-control, MgCl2Supported V OCl3Catalyst, it is 3.5% to carry vanadium amount;Three Aluminium isobutyl, self-control, purity 98%;Hydrogen, the production of Linzhou City auxiliary reagent factory, purity 99.99%;Antioxidant 264,2264,1010A, work Industry level, Shanghai addition Chemical Co., Ltd.;Ethanol, hexamethylene diamine, acetone, technical grade, Laiyang chemical plant.Other molecular-weight adjustings Agent, electron donor, rubber chemicals and age resistor are commercially available industrial goods.
Embodiment 1
By 20 cubic metres of polymeric kettles after vacuum nitrogen is handled, solvent is disposably passed through into polymeric kettle by proportioner 6 tons of normal heptane, 0.382 ton of divinylic monomer, 1.4 tons of isoprene monomer, by public work unit by polymeric kettle temperature liter To after 60 DEG C, triisobutyl aluminium 3.2Kg is sequentially added, carries the TiCl that titanium amount is 3.2wt%4/MgCl2Heterogeneous supported titanium catalysis Agent 0.424Kg, add hydrogen 120mol.48h is reacted on this condition, now detects condensate through in-situ infrared spectroscopy monitor Divinylic monomer concentration in system will be 0.After reaction terminates, polymeric kettle interpolymer slurries are filled by pipelined to termination Put, 32g terminator butanol is passed through into stop device, polymerisation is terminated, be then transferred to the storage of glue tank and adjust Match somebody with somebody.Terminate the polymer slurries after allotment and be delivered to coacervation device, be condensed into the polymer of micelle shape.Carry out unreacted list simultaneously The separation of body and polymer, the monomer isolated is by successively after MONOMER RECOVERY tower, monomer separation treating column, into storage tank It is standby.Resulting micelle shaped polymer is transported to double screw extruder, while adds 1.5Kg age resistor in charge door position 2264 and 280Kg aromatic naphtha, 2Kg stearic acid, 1Kg zinc oxide and 110Kg improved silica rubber chemicals, through squeezing Go out to be granulated and obtain granular anti-form-1,4- butadiene-isoprene copolymer glues, weighed and packed after being further dried.
Products weight is obtained as 1.465 tons, is computed polymer weight as 1.07 tons, conversion ratio is about 60%.After tested The cellular construction content of butadiene is 36% in TBIR, and transconfiguration content is 92%, Mooney viscosity (ML100 3+4) it is 65.
Embodiment 2
Operation does not add hydrogen simply, while add electron donor fourth diether 0.145Kg, polymerization temperature 65 with embodiment 1 ℃。
Products weight is obtained as 1.8 tons, is computed polymer weight as 1.406 tons, conversion ratio is about 79%.After tested The cellular construction content of butadiene is 27% in TBIR, and transconfiguration content is 96%, Mooney viscosity (ML100 3+4) it is 120.
Embodiment 3
By 20 cubic metres of polymeric kettles after vacuum nitrogen is handled, normal heptane 6.5 is passed through into polymeric kettle by proportioner Ton, 0.12 ton of divinylic monomer, 1.0 tons of isoprene monomer, after polymeric kettle temperature is risen into 90 DEG C by public work unit, Triisobutyl aluminium 2.8kg is sequentially added, electron donor 1,3- dimethoxy propane 53g, carries the TiCl that titanium amount is 3.2%4/MgCl2 Heterogeneous supported titanium catalyst 0.078kg, hydrogen 48mol is added, carry out polymerisation.Supervised by the online infrared and viscosity of material The butadiene content surveyed in device detection architecture, and divinylic monomer is persistently added to polymeric kettle by material on-line controller, tie up The concentration ratio for holding the butadiene in polymerization system and isoprene monomer is initial rate of charge scope.React 48h.Reaction terminates Afterwards, polymeric kettle interpolymer slurries are passed through 92g terminator water into stop device by pipelined to stop device, it is right Polymerisation is terminated, and is then transferred to the storage of glue tank and allotment.Terminate the polymer slurries after allotment and be delivered to cohesion Device, it is condensed into the polymer of micelle shape.Carry out the separation of unreacted monomer and polymer simultaneously, the monomer isolated pass through according to It is secondary after MONOMER RECOVERY tower, monomer separation treating column, it is standby into storage tank.Resulting micelle shaped polymer is transported to double spiral shells Bar extruder, while add 13Kg age resistor (264 in charge door position:1010 mass ratioes:2:1) and 260Kg naphthenic oils, 8Kg stearic acid, 4Kg zinc oxide and 120Kg carbon blacks, extruded granulation obtain granular anti-form-1, and 4- butadiene-isoprenes are total to Poly- rubber, weighed and packed after being further dried.
Product is obtained as 1.705 tons, is computed about 1.3 tons of polymer weight in product.Butadiene in TBIR after tested Cellular construction content is 50%, and transconfiguration content is 95%, Mooney viscosity (ML100 3+4) it is 78.
Embodiment 4
By 40 cubic metres of polymeric kettles 1 of two series connection and polymeric kettle 2 after vacuum nitrogen is handled, by proportioner to poly- Close and 11 tons of normal heptane is passed through in kettle 1,0.12 ton of divinylic monomer, 1.0 tons of isoprene monomer will be poly- by public work unit After conjunction kettle temperature degree rises to 60 DEG C, triethyl aluminum 28Kg, electron donor 2,2-dimethoxypropane are added to polymeric kettle 1 successively 0.92Kg, carry the VOCl that vanadium amount is 3.5%3/MgCl2Heterogeneous load vanadium catalyst 1.3Kg, hydrogen 20mol is added, is gathered Close reaction 1-10h.The polymerization system of polymeric kettle 1 continues to react through pipelined to the polymeric kettle 2 of series connection, polymerization temperature 80 DEG C, polymerization time 1-24h.By the butadiene content in the online infrared and Viscosity Monitoring device detection architecture of material, and pass through thing Material on-line controller persistently adds divinylic monomer to polymeric kettle 1 and polymeric kettle 2, maintains butadiene and isoamyl in polymerization system The concentration ratio of diene monomers is initial rate of charge scope.After reaction terminates, polymeric kettle interpolymer slurries are passed through into pipelined To stop device, 1.5Kg terminator water is passed through into stop device, polymerisation is terminated, is then transferred to glue tank Storage and allotment.Terminate the polymer slurries after allotment and be delivered to coacervation device, be condensed into the polymer of micelle shape.Carry out simultaneously The separation of unreacted monomer and polymer, the monomer isolated by successively after MONOMER RECOVERY tower, monomer separation treating column, It is standby into storage tank.Resulting micelle shaped polymer is transported to double screw extruder, while adds and prevented always in charge door position The 1100g of agent 2264, extruded granulation obtain granular anti-form-1,4- butadiene-isoprene copolymer glues, are further dried After weighed and packed.
1.1 tons of products therefrom.The cellular construction content of butadiene is 42% in TBIR after tested, and transconfiguration content is 95%, Mooney viscosity (ML100 3+4) it is 86.
Embodiment 5
With embodiment 1, the triisobutyl aluminium that 10% is simply substituted by the use of aluminum hydride is used as co-catalyst for operation.
Products therefrom weight is 1.48 tons, and it is 1.085 tons that polymer weight, which is calculated, conversion ratio 61%.After tested The cellular construction content of butadiene is 28% in TBIR, and transconfiguration content is 86%, Mooney viscosity (ML100 3+4) it is 85.
Embodiment 6
Polymerizing condition and scheme simply change polymerization tank reactor into annular-pipe reactor with embodiment 4.Finally give grain The anti-form-1 of shape, 1.23 tons of 4- structures butadiene-isoprene copolymer glue (TBIR).After tested, butadiene in gained TBIR The molar content of unit is 41%, anti-form-1, and 4- structural contents are 94%, Mooney viscosity (ML100 3+4) it is 85.
Embodiment 7
In the reactor with stirring, the TiCl that titanium amount is 3.2% will be carried4/MgCl2Heterogeneous supported titanium catalyst is used It is standby that white oil is diluted to suspension.The white oil that the proportioning of supported titanium catalyst and white oil is 350g catalyst/10L.In stirring The lower keeping body of effect is tied to form well dispersed suspension.
Using continuous polymerization.10 10 cubic metres of the tank reactor series connection with double ribbon stirrings is anti-as polymerization Device is answered, whole reaction unit and its pipeline are subjected to the nitrogen vacuum displacement removing water oxygen harmful to catalyst.Solvent and fourth Diene, isoprene monomer are refined in advance before paradigmatic system is entered.Stirring is opened, rotating speed is 100 turns/min;By solvent Normal heptane, divinylic monomer, isoprene monomer, triisobutyl aluminium, supported titanium catalyst and hydrogen are defeated by feed controller Enter into the first reactor, polymerization temperature is 40 DEG C, and polymerisation is carried out in the presence of stirring.Control the stream of solvent n-heptane Measure as 1.5m3/ h, the flow of butadiene is 0.065m3/ h, the flow of isoprene is 0.435m3/ h, triisobutyl aluminum flux are 250mL/h, supported titanium catalyst flow are 0.875L/h, hydrogen flowing quantity 12g/h.Polymeric system is by plunger pump through carrying The pipeline of insulation is fed sequentially into the 2nd~10 polymeric kettle, and the polymerization temperature of the 2nd~10 reactor is 80 DEG C, controls total stop Time is 48h.Be transported to finishing reactor from the polymeric system of the 10th reactor outflow, at the same by terminator ethanol according to 5g/h flow carries out terminating reaction through pipelined to finishing reactor.Polymeric system after termination conveys through metering screw To polymer agglomerates device, solvent, unreacted monomer are reclaimed by steam stripped method.Recovered solvent and monomer warp After crossing separation, respectively enter refining plant and carry out after refining, it is standby to return to corresponding storage tank.Polymer after cohesion is transported to double Screw extruder, while add age resistor (2264 according to 0.18Kg/h speed in charge door position:4010NA=1:2), pass through Extruding pelletization obtains granular anti-form-1,4- butadiene-isoprene copolymer glues, is weighed and is wrapped after being further dried Dress.After tested, the molar content of the butadiene structural units of gained copolymer rubber is 24.6%, anti-form-1, and 4- structural contents are More than 98%, (100 degree, 3+4 minutes) of Mooney viscosity is 65.Prepared copolymer rubber have heat is low, wearability is good, it is resistance to bend Excelling in fatigue property feature is scratched, rubber is used suitable for the dynamic such as tire, shock absorber part, damping material.
Embodiment 8~10
In the reactor with stirring, the TiCl that titanium amount is 3.2% will be carried4/MgCl2Heterogeneous supported titanium catalyst is used It is standby that white oil is diluted to suspension.The white oil that the proportioning of supported titanium catalyst and white oil is 350g catalyst/10L.In stirring The lower keeping body of effect is tied to form well dispersed suspension.
Polymerizing reactor is used as using 2 tank reactors with double ribbon stirrings and 2 annular-pipe reactor series connection, Whole reaction unit and its pipeline are subjected to the nitrogen vacuum displacement removing water oxygen harmful to catalyst.It is solvent and butadiene, different Pentadiene monomer is refined in advance before paradigmatic system is entered.By 1# tank reactors temperature control at 45 DEG C, 2# still reactions Device temperature control is at 60 DEG C, and annular-pipe reactor temperature control is at 80 DEG C.The stirring of tank reactor is opened, rotating speed is 200 turns/min;By solvent Hydrogasoline, divinylic monomer, isoprene monomer, triisobutyl aluminium, supported titanium catalyst and hydrogen are inputted by inlet valve Into 1# reactors, polymerisation is carried out in the presence of stirring.Polymeric acceptor is tied up in reactors at different levels and passed through by plunger pump Pipeline with insulation conveys successively.There are online infrared monitoring and Viscosity Monitoring at the middle part of stirred tank and annular-pipe reactor Device, butadiene and isoprene content in detection architecture, and monoblock pump is controlled from trend device by material on-line controller Butadiene is injected, to control the mol ratio of butadiene and isoprene in reaction system.From the polymerization of annular-pipe reactor outflow Objects system is pumped into terminator by measuring, while terminator ethanol is carried out into terminating reaction through pipelined to terminator.Eventually Polymeric system after only is transported to polymer agglomerates device through metering screw, by steam stripped method by solvent, unreacted Monomer is reclaimed.Recovered solvent and monomer respectively enter refining plant and carried out after refining, return corresponding after separation Storage tank is standby.Polymer after cohesion is transported to double screw extruder, while adds age resistor 2264 in charge door position and prevent Old agent 4010NA, extruded granulation obtain granular anti-form-1,4- butadiene-isoprene copolymer glues, after being further dried Weighed and packed.The physical property of all material flows, residence time and gained copolymer rubber is shown in Table 1.Prepared is total to Poly- rubber has that heat is low, wearability is good, flex fatigue property excellent characteristics, suitable for tire, shock absorber part, damping material etc. Dynamic uses rubber.
The embodiment 8-10 of table 1 main technologic parameters and prepared polymer physics performance
Parameter Unit Embodiment 8 Embodiment 9 Embodiment 10
Solvent m3/h 1.6 3.2 0.75
Butadiene m3/h 0.08 0.12 0.03
Isoprene m3/h 0.32 0.68 0.22
Triisobutyl aluminium L/h 0.85 2 1.24
Supported titanium catalyst L/h 1.7 3.4 2.1
Hydrogen m3/h 12 0 12
Butadiene content in TBIR % 21.4 19.2 16.8
Transconfiguration content in TBIR % >98 >98 >98
Mooney, 100 DEG C ML3+4 62 96 64

Claims (9)

1. a kind of anti-form-1, the industrial process of the butadiene-isoprene copolymer glue of 4- structures, the production method can Implemented by method one or method two,
Method one:
(1) polyplant is after application of vacuum and nitrogen are sufficiently displaced from removing water oxygen, by proportioner in order successively by essence Solvent, isoprene monomer, divinylic monomer, co-catalyst, electron donor, major catalyst and the molecular weight regulator difference of system It is sent to according to predetermined close in polymer reactor, the mol ratio of titanium and/or v element and monomer is 0.01~100 in major catalyst ×10-5:1, Al elements and the titanium in major catalyst and/or the mol ratio of v element in co-catalyst are 1~500:1, molecule It is 0.01~2000 that conditioning agent, which is measured, with the mol ratio of titanium and/or v element in catalyst:1, in electron donor and catalyst titanium and/ Or the mol ratio of v element is 0~10:1, co-polymerization temperature is 20~90 DEG C, the molar ratio of butadiene and isoprene 0.01~50:100, the mass ratio of monomer and solvent is 10~30:100, constant temperature polymerize 1~48 hour;
(2) polymer slurries are added into terminator by pipelined to stop device, while in the entrance of stop device;
(3) polymer after step (2) termination is transported to coacervation device, is condensed into micelle;Solvent and unreacted monomer from Coacervation device side line reclaims, and separates and returns to polyplant or storage tank after refined;
(4) the micelle shaped polymer that step (3) obtains is after drying and dehydrating, then is transported to extruder, while adds to extruder Enter age resistor and/or rubber chemicals, extruded granulation obtains granular anti-form-1,4- butadiene-isoprene copolymer glues, warp Cross after drying, measured and packed;
Method two:
(1) polyplant is after application of vacuum and nitrogen are sufficiently displaced from removing water oxygen, by feed proportioning system in order successively by essence Solvent, isoprene monomer, divinylic monomer, co-catalyst, electron donor, major catalyst and the molecular weight regulator difference of system It is sent to according to predetermined close in polymer reactor, the mol ratio of titanium and/or v element and monomer is 0.01~100 in major catalyst ×10-5:1, Al elements and the titanium in major catalyst and/or the mol ratio of v element in co-catalyst are 1~500:1, molecular weight Conditioning agent is 0.01~2000 with the mol ratio of titanium and/or v element in catalyst:1, in electron donor and catalyst titanium and/or The mol ratio of v element is 0~10:1, co-polymerization temperature is 20~90 DEG C, the molar ratio 0.01 of butadiene and isoprene ~50:100, the mass ratio of monomer and solvent is 10~30:100, constant temperature polymerization;
(2) liquid monomer mole in polymerization system is monitored by on-Line Monitor Device to form, and by controlling proportioner to poly- Close reactor and add divinylic monomer, keep butadiene in step (1) and isoprene monomer mol ratio constant, holding step (1) temperature-resistant, constant temperature polymerization 1~48 hour;
(3) polymer slurries are added into terminator by pipelined to stop device, while in the entrance of stop device;
(4) polymer after step (3) termination is transported to coacervation device, solvent and unreacted monomer from coacervation device side line Recovery, separate and return to paradigmatic system or storage tank after refined;Polymer becomes micelle shape in condensing field;
(5) the micelle shaped polymer that step (4) obtains is transported to extruder, while add to extruder after drying and dehydrating Age resistor and/or a certain amount of rubber chemicals, extruded granulation obtain granular anti-form-1,4- butadiene-isoprene copolymer rubbers Glue, after drying, measured and packed.
2. a kind of anti-form-1, the industrial process of the butadiene-isoprene copolymer glue of 4- structures, it is characterised in that institute Stating industrial manufacture process includes recovery refined unit, polymerized unit, post-processing unit and public work unit, specifically includes:
(1) recovery refined unit includes:Solvent, butadiene, the refining plant of isoprene;Reclaim separator:To recovery Solvent and unreacted monomer are separated and refined, and are delivered to polymer reactor or storage tank;
(2) polymerized unit includes:Proportioner:Solvent, butadiene, the metering of isoprene and pumping installations;Major catalyst, help Catalyst, the preparation of electron donor, metering and pumping installations;The refined and metering device of molecular weight regulator;Polymerisation fills Put:Including 1 set of autoclave, tower, annular tube type or tubular polymerization reactor that either more sets are connected;Monitoring and control device:Bag Include on-line temperature monitoring device, pressure on-line monitoring device, material on-line checking device and controller;Material on-line checking device includes online Infrared spectrum, online viscosity detector;Material on-line controller includes material magnetic valve, material flow gauge and computer control dress Put;
(3) post-processing unit:Stop device:Including finishing reactor and glue tank, finishing reactor is the autoclave with stirring Reactor, glue tank are used for the allotment of polymer between different batches;Coacervation device:For recycling design and unreacted monomer, together When obtain the polymer of micelle shape;Comprising 1 set or more set series connection kettle built with frame or propeller formula or anchor formula agitating paddle and The condensing field and condenser and layering tank of steam pipe;Extruding pelletization device:For single screw extrusion machine, Co rotating Twin Screw Extrusion One kind in machine, counter rotation twin screw extruder, for the mixing of polymer and age resistor and/or rubber chemicals, and it is granulated;Terminate Agent, age resistor and rubber chemicals configuration, conveying device;
(4) public work unit:It is used to carry out temperature control to polymerization system including hot water or cold water and/or steam pipework device;Very Empty and high pure nitrogen device enters line replacement when being used for before polymerization with maintenance to paradigmatic system;Material lifting device is used for drying Polymer afterwards sends to metering and packaging.
3. anti-form-1 according to claim 1 or 2, the industrial production of the butadiene-isoprene copolymer glue of 4- structures Method, it is characterised in that anti-form-1 in described copolymer rubber, 4- structures molar content is more than 85%, fourth two in copolymer rubber Alkene molar content 0.1~50%, 100 DEG C of copolymer rubber, 3+4 minutes Mooney viscosity is 20~120.
4. anti-form-1 according to claim 1 or 2, the industrial production of the butadiene-isoprene copolymer glue of 4- structures Method, it is characterised in that described major catalyst is supported titanium and/or vanadium catalyst, wherein, titanium and/or v element account for catalysis The 1%~5% of agent gross mass, internal electron donor account for the 0%~20% of the gross mass of catalyst;The carrier of catalyst is selected from MgCl2、MgBr2、MgI2、SiO2In one kind;Titanium compound is selected from TiCl4、TiBr4Or TiI4In one kind;Vfanadium compound selects From VCl3、VBr3、VOCl3、VOBr3、VCl4、VBr4、V2O5In one or more;Internal electron donor be esters, ethers, ketone, One or more in anhydrides compound.
5. anti-form-1 according to claim 1 or 2, the industrial production of the butadiene-isoprene copolymer glue of 4- structures Method, it is characterized in that:Described co-catalyst is triethyl aluminum, triisobutyl aluminium, dimethyl monochlor(in)ate aluminium, monomethyl dichloride Aluminium, diethyl monochlor(in)ate aluminium, an ethylaluminum dichloride, diisobutyl monochlor(in)ate aluminium, an isobutyl aluminium dichloride, alkyl aluminium hydride It is the one or more of diethyl aluminium hydride, ethyl hydride aluminium, hydrogenation aluminium isobutyl or diisobutylaluminium hydride;Described molecule Amount conditioning agent is in hydrogen, ethene, propylene, allene, 1,2- butadiene, cyclo-octadiene or alcohol, mercaptan, amine, phenol and its salt It is one or more kinds of;Described electron donor is one kind in phosphoric acid ester, ethers, ketone, anhydrides, phenols, silanes It is or a variety of.
6. anti-form-1 according to claim 1 or 2, the industrial production of the butadiene-isoprene copolymer glue of 4- structures Method, it is characterized in that:Described solvent is inert hydrocarbon solvent, selected from pentane, isopentane, hexane, hexamethylene, methyl cyclohexane Alkane, normal heptane, normal octane, benzene, toluene, paraxylene, meta-xylene, isopropylbenzene, hydrogasoline and one kind in raffinating oil or It is a variety of.
7. anti-form-1 according to claim 1 or 2, the industrial production of the butadiene-isoprene copolymer glue of 4- structures Method, it is characterised in that intermittence type polymerization mode or continous way polymerization methodses can be used.
8. anti-form-1 according to claim 1 or 2, the industrial production of the butadiene-isoprene copolymer glue of 4- structures Method, it is characterised in that described terminator is carbon monoxide, carbon dioxide, nitrogen, empty gas and water and contains 4~8 carbon originals Alcohol, acid, ketone, amine, one or both of the phenol of son are mixed above, and terminator and titanium in major catalyst and/or v element rub You are than being 1~100:1;The age resistor be 4010NA, MB, 2264,264, MBZ, 800A, 1010A, 1010,168, DSTP, 626th, the weight ratio of the one or more in 4020 and 1076, age resistor and copolymer rubber is 0.01~1:100;The rubber helps Agent is paraffin, aromatic naphtha, naphthenic oil, light dydrocarbon resin, stearic acid, calcium stearate, magnesium stearate, zinc oxide, silica, charcoal The weight ratio of one or more in black or above-mentioned modification derivant, rubber chemicals and copolymer rubber is 1~50:100.
9. anti-form-1 according to claim 1 or 2, the industrial production of 4- structure butadiene-isoprene copolymer glue Method, it is characterised in that copolymer rubber prepared by method one is the copolymer rubber of gradient composition, newborn with the increase of conversion ratio Into copolymer rubber in anti-form-1,4- polyisoprene blocks are increasingly longer, and content is more and more;Copolymerization rubber prepared by method two Glue is forms uniform copolymer rubber, and with the increase of conversion ratio, newly-generated copolymer rubber composition does not change substantially.
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