CN106397634B - A kind of device and method for improving isoprene rubber flocculating result - Google Patents
A kind of device and method for improving isoprene rubber flocculating result Download PDFInfo
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- CN106397634B CN106397634B CN201510455525.9A CN201510455525A CN106397634B CN 106397634 B CN106397634 B CN 106397634B CN 201510455525 A CN201510455525 A CN 201510455525A CN 106397634 B CN106397634 B CN 106397634B
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Abstract
The present invention provides improve isoprene rubber flocculating result device and method, including：One is equipped with the pipeline of multiple perforates, is annularly set around the circumferential direction of condensing field kettle inner wall, and the air inlet of the pipeline is connected with compressed air feedway；A pair of infusion fluid systems, the compressed air feedway and glue feedway, the compressed air from the compressed air feedway and the glue from glue feedway being connected including a two-fluid spray nozzle and with the two-fluid spray nozzle are injected by the two-fluid spray nozzle in the condensing field.
Description
Technical field
The present invention relates to synthetic rubber fields, and in particular to a kind of to improve isoprene rubber flocculating result using compressed air
Method and device, is improved by coacervation device and compressed air uses, and reduces steam consumption, is extended isoprene rubber cohesion unit and is opened
The vehicle cycle.
Background technology
Isoprene rubber (cis-1,4-polyisoprene rubber) is that a kind of high-cis synthesized by isoprene is (cis-
Isosorbide-5-Nitrae content is 95%~98%) rubber, structure and performance are approximate with natural rubber, are referred to as natural man-made rubber, complete entitled
Along Isosorbide-5-Nitrae-polyisoprene, can be applied instead of natural rubber in high-capacity tyre and off-the-highway tire, it may also be used for medicine and other fields.
Current industrialized isoprene rubber technology is solution polymerization process, and solution polymerization process, which is prepared in rubber process, polymerize work
In the glue of Duan Hecheng in addition to containing about 10 rubber, also containing substantial amounts of solvent and unreacted monomer, remaining
Catalyst etc. separates rubber from glue, can be selected there are many postprocessing working procedures, such as wet type coacervation, directly
Seasoning, phase separation method etc..In theory, latter two method is more reasonable, and energy consumption is more much lower than coacervation, there is very much attraction
Power, but it is higher to equipment requirement, it is mostly under test at present, therefore widely used wet type condensation technique in industrial production.
When carrying out glue cohesion using wet type condensation technique, since solvent gasification rate is slow, gelatin viscosity is larger, especially
It is isoprene rubber, not only glue is tacky, even the micelle agglomerated, under vigorous stirring, as long as mutual collision
It may be bonded together, drive for a long time, micelle bonds blocking, blocking pipeline, and condensing field kiss-coating, stifled glue seize, carry kettle on the back, no
Kettle gel resin is obtained not open, production is passive, and is bonded to bulk quickly due to agglomerating the blob of viscose, within the same residence time,
Solvent and unreacted monomer inside glue cannot depart from completely, and blob of viscose oil content is high, this can not only reduce solvent and monomer
Service efficiency, and can cause to skid on rubber mixing machine in last handling process, blanking is not easy in mixer, manufactured goods easily generate gas
Bubble etc..The design, cohesion process optimization and the selection of interleaving agent for agglomerating equipment are to prevent micelle bonding, improve flocculating result, drop
Low steam consumption, the effective means for extending the cycle of driving.
Patent CN201110051930.6 is stirred by changing glue feeding manner and glue form using separate assembling
And arrange in pairs or groups glue and steam jet position, rationally improve stirring power distribution in condensing field, improve flocculating result.
Patent CN201120054983.9 prepares kettle, glue preheater, condensing field Internal baffle by adding just cohesion glue
The methods of being distributed, adding steam port on micelle waterpipe between installation thimble and condensing field in glue solution nozzle obtains comparatively ideal different
Penta rubber cohesion form reduces steam loss, improves material flow pattern in condensing field, solves sizing material blockage problem, ensures that glue coagulates
Poly- continuous and steady operation.
Patent CN201110051895.8, which provides a kind of interleaving agent that adds in, improves the method for isoprene rubber flocculating result, with
It prevents from occurring kiss-coating, stifled glue in coacervation process in condensing field, seizes, carries kettle phenomenon on the back, extend condensing field and drive the cycle, reduce cohesion
The oil content of gained isoprene rubber reduces steam consumption, is conducive to subsequent extrusion drying process, reduces isoprene rubber and is produced into
This.
Foreign patent mostly improves flocculating result by way of adding in dispersant to condensing field, prevents micelle from bonding, patent
US3268501 and US3042637 adds in alkaline metal salt, alkyl sulfate, benzene sulfonamide in coacervation process into condensing field
The method of hydrochlorate effectively improves the blocking phenomenon of bonding of micelle.US3190868 is by adding in water-soluble poly into condensed system
Conjunction object dispersant makes the micelle in condensing field, and into high degree of dispersion state, these polymeric dispersants generally include single or multiple carboxyls
Or the nitrile, amino and lipid group of carboxyl can be formed, these polymeric dispersants can add in cohesion in a manner of free acid
Kettle can also add in condensing field in a manner of the ammonium salt of polymeric dispersant, barium salt, strontium salt, aluminium salt, cobalt salt, molysite, nickel salt.
Above-mentioned patent is from largely improving isoprene rubber flocculating result, reduce steam consumption, extend driving
Cycle, but there are still cohesion unit steam consumption quantity is high, system foam is more, glue bonds the problem of sticking together in condensing field liquid level.
The content of the invention
Present invention aims at provide a kind of device and method for improving isoprene rubber flocculating result.The purpose of the present invention
It is to overcome problem of the prior art, the device and method for improving isoprene rubber flocculating result is provided, to prevent in coacervation process
Micelle sticks together in condensing field liquid level bonding, strengthens condensing field mixing effect, improves hollow-forming mechanism, reduces coacervated system surface tension,
So as to the oil content for reducing system foam volume, reducing cohesion gained isoprene rubber, steam consumption is reduced, extension condensing field is driven week
Phase reduces isoprene rubber production cost.
The present invention provides improve isoprene rubber flocculating result device, including：
One is equipped with the pipeline of multiple perforates, is annularly set around the circumferential direction of condensing field kettle inner wall, the pipeline into
Gas port is connected with compressed air feedway；
A pair of infusion fluid systems, the compressed air being connected including a two-fluid spray nozzle and with the two-fluid spray nozzle supply
To device and glue feedway, the compressed air from the compressed air feedway and the glue from glue feedway
Liquid is injected by the two-fluid spray nozzle in the condensing field.
The device of above-mentioned improvement isoprene rubber flocculating result, the two-fluid spray nozzle are double-layered cylinder structure inside and outside one,
Outer layer is gas chamber, the gas chamber be equipped with a compressed air inlet and a compressed air outlet, the compressed air inlet with it is described
Compressed air feedway connects, and internal layer is glue room, and the glue room is equipped with a glue entrance and a glue exports, the glue
Liquid entrance is connected with glue feedway, and the glue outlet connects the gas chamber with the glue room, the compressed air
Outlet is with glue outlet on same axis direction.
The device of above-mentioned improvement isoprene rubber flocculating result, the direction of the perforate are parallel with the poly- kettle kettle wall.
The device of above-mentioned improvement isoprene rubber flocculating result, the number of openings is 3~6, and the multiple perforate
It is uniformly distributed at equal intervals.
The device of above-mentioned improvement isoprene rubber flocculating result, injects described in compressed air pressure and the injection of the pipeline
The compressed air pressure of two-fluid spray nozzle is 0.3MPa~0.8MPa.
The device of above-mentioned improvement isoprene rubber flocculating result, the condensing field kettle inner wall are equipped with multiple for described in fixation
The fixed point of pipeline.
The device of above-mentioned improvement isoprene rubber flocculating result, the glue outlet are less than the compressed air outlet.
The device of above-mentioned improvement isoprene rubber flocculating result, the glue outlet diameter are 5mm.
The present invention also provides a kind of method for improving isoprene rubber flocculating result, applied in the claims 1-8
Any one of them improves the device of isoprene rubber flocculating result, which is characterized in that includes the following steps：
The winding one annular in shape of the circumferential direction of condensing field kettle inner wall have multiple perforates pipeline, and the pipeline into
Gas port is connected with compressed air feedway；
One two-fluid spray nozzle is set, and the two-fluid spray nozzle connects the compressed air feedway simultaneously and a glue supplies
To device, the compressed air from the compressed air feedway and the glue from glue feedway are passed through described double
Fluid tip is injected in the condensing field.
The method of above-mentioned a kind of improvement isoprene rubber flocculating result, which is characterized in that the compression for injecting the pipeline is empty
Air pressure is by force and the compressed air pressure of the injection two-fluid spray nozzle is 0.3MPa~0.8MPa, injects the institute in condensing field kettle
Glue speed is stated as 1m3/h。
The present invention has following significant progress and positive effect compared with prior art：
1. circumferentially adding circle compressed-air line with holes along first, second condensing field kettle wall, existed using compressed air
Air lift, expansion and peptizaiton in coacervated system hot water improve axial flow effect of the coacervated system in condensing field, and elimination is stirred
Dead angle is mixed, prevents micelle from sticking together in condensing field liquid level bonding, extends cohesion unit and drives the cycle.
2. glue solution nozzle uses two-fluid spray nozzle, glue is cut and disperseed instead of steam using compressed air, is changed
Kind micelle state, reduces steam consumption, reduces product cost.
3. reducing isolation agent, reduce system surface tension, reduce system foam volume, reduce interleaving agent into
This, is avoided the risk of foam blocking pipeline and condensing plant.
4. the gas effect of compressed air can improve condensing field solvent removal rate, micelle oil content is reduced, is reduced molten
Agent consumes.
5. coacervation process steam consumption is reduced, discharge of wastewater is reduced.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Description of the drawings
Fig. 1 is the device front view of one embodiment of the invention；
Fig. 2 is the device top view of one embodiment of the invention；
Fig. 3 is the structure diagram of two-fluid spray nozzle of the present invention.
Reference numeral：
Condensing field 1
Handle money 2
Perforate 21
Fixed point 22
Two-fluid spray nozzle 3
Gas chamber 31
Compressed air inlet 311
Compressed air outlet 312
Glue room 32
Glue inlet port 321
Glue outlet 322
Compressed air feeding line 4
Specific embodiment
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings：
The present invention will be further described by the following examples, cited embodiment, is in scale trial production
The example that practical operation is verified, therefore be easy to be grasped by those skilled in the art.As done on the basis of the present invention
Go out some variations, essence is not out the scope of the present invention, and the example only explains to the present invention, not to this hair
It is bright to make restriction.
As shown in Figure 1, Fig. 1 is the front view of device, Fig. 2 is the top view of device, improvement isoamyl rubber provided by the invention
The device of glue flocculating result, including：
One is equipped with the pipeline 2 of multiple perforates, is annularly set around the circumferential direction of the kettle inner wall of condensing field 1, pipeline 2 into
Gas port is connected with compressed air feedway (being not drawn into figure)；In detail it, the first condensing field connects the second condensing field, along the
One condensing field, the kettle wall of the second condensing field circumferentially add circle pipeline with holes, and the number of perforate is 3-6 on pipeline 2, perforate 21
It is uniformly distributed on circular compressed-air line, the direction of perforate 21 is parallel with condensing field kettle wall, is supplied from compressed air
The compressed air of device injects the pipeline 2 by compressed air feeding line 4, and the compressed air pressure injected in pipeline 2 is
0.3MPa~0.8MPa, using gas, expansion and peptizaiton of the nitrogen in compressed air in coacervated system hot water to carry
High coacervated system condensing field axial flow effect, eliminate stirring dead angle, prevent micelle 1 liquid level of condensing field bonding stick together.Pressure
The scheme of installation of contracting air line is as shown in Figure 1, be the front view of the device in Fig. 1, Fig. 2 is the top view of the device, is coagulated
Multiple pipeline fixed points 22 are equipped in poly- 1 kettle wall of kettle, compressed air can be handled money circumferentially fixed in 1 circumferential direction of condensing field.
A pair of infusion fluid systems, including a two-fluid spray nozzle and the compressed air being connected with two-fluid spray nozzle supply dress
It puts and (is not drawn into glue feedway in figure), compressed air from compressed air feedway and from glue feedway
Glue pass through two-fluid spray nozzle 3 inject condensing field 1 in.It, same by the two-fluid spray nozzle 3 by glue and compressed air in detail
When inject condensing field 1, inject the compressed air hose pressure in condensing field 1 for 0.3MPa~0.8MPa, inject in 1 kettle of condensing field
The glue speed is 1m3/ h, as shown in figure 3, the two-fluid spray nozzle 3 is double-layered cylinder structure inside and outside one, outer layer is gas chamber 31,
The gas chamber 31 is equipped with a compressed air inlet 311 and compressed air outlet 312, gas chamber 31 pass through a compressed air inlet 311
Connected with compressed air feedway, the compressed air outlet slit 312 of compressed air enters in condensing field 1, internal layer be glue room 32, institute
32 one end of glue room is stated as glue inlet port 321, the other end exports 322 for glue, the glue inlet port 321 and glue of glue room 32
Liquid supplying device connects, and gas chamber 31 is connected with glue room 32 by glue outlet 322, and glue outlet 322 goes out with compressed air
Mouth 312 is on same axial direction, and the glue exit radius 322 is less than compressed air outlet radius 312, glue outlet
322 a diameter of 5mm, the compressed air that compressed air outlet 312 sprays cut the glue sprayed through glue outlet 322
With it is scattered.
The present invention also provides a kind of devices applied to above-mentioned improvement isoprene rubber flocculating result, include the following steps：
There is the pipeline 2 of multiple perforates, the air inlet of pipeline 2 in the circumferential direction winding one annular in shape of 1 kettle inner wall of condensing field
Mouth is connected with compressed air feedway；
One two-fluid spray nozzle is set, two-fluid spray nozzle 3 connects compressed air feedway and a glue feedway simultaneously,
Compressed air from compressed air feedway and the glue from glue feedway by two-fluid spray nozzle are injected and coagulated
In poly- kettle 1.Inject the pipeline compressed air pressure and injection two-fluid spray nozzle 3 compressed air pressure be 0.3MPa~
0.8MPa, the glue speed injected in 1 kettle of condensing field are 1m3/h.
By glue and gas by 3 injecting compressed air pipeline of two-fluid spray nozzle, using compressed air in coacervated system heat
Air lift, expansion and peptizaiton in water improve axial flow effect of the coacervated system in condensing field 1, eliminate stirring dead angle, prevent
Only micelle sticks together in 1 liquid level of condensing field bonding.
For further describe the present apparatus use and utilize effect caused by the present apparatus, spy lift following examples.
Embodiment 1
Rare-earth isoprene rubber hexane solution used for isoprene rare earth catalyst effect under, using hexane for solvent progress
Polymerisation obtains, and glue content is 12%, rare-earth isoprene rubber Isosorbide-5-Nitrae-cis-content 96%, molecular weight distribution 2.5, Mooney
Viscosity is 85.Concrete operation step is as follows：
Rare-earth isoprene rubber is entered by two-fluid spray nozzle spray 3 in condensing field 1, the first condensing field, the second condensing field kettle inner wall
Circle compressed-air line with holes circumferentially is all provided with, 3 perforates are set on each pipeline, 3 perforates are in circular compressed-air line
On be uniformly distributed, compressed air outlet is parallel with 1 kettle wall of condensing field, and concrete operations condition is：Compressed air supply dress will be come from
The compressed air put and the rare-earth isoprene rubber from glue feedway are injected by two-fluid spray nozzle in condensing field 1, simultaneously
Toward compressed-air line injecting compressed air with holes, by two-fluid spray nozzle inject in condensing field 1 into glue speed be 1m3/h,
The pressure of the compressed air of injection is 0.6MPa in two-fluid spray nozzle and pipeline with holes, and isolation agent should be maintained at
0.03kg/t glues, 83 DEG C of the temperature of the first condensing field, 280 revs/min of mixing speed, 93 DEG C of the temperature of the second condensing field, stirring
280 revs/min of speed, cohesion is no for 24 hours to be seized, blocks up glue, carries kettle phenomenon on the back, and 1 liquid level of condensing field does not have micelle during experiment
Knot sticks together phenomenon, without foam in kettle, opens condensing field 1 after the test and observes, stirring does not have kiss-coating phenomenon, and test result shows
Buffings granularity is 5~10mm, and raw rubber oil content is 0.29%, Mooney viscosity 99.6, water vapour consumption 3.5t/t raw rubbers, that is,
Often producing 1 ton of raw rubber needs to consume 3.5 tons of vapor.
Embodiment 2
For glue used with embodiment 1, concrete operation step is as follows：
Rare-earth isoprene rubber is entered by two-fluid spray nozzle spray 3 in condensing field 1, and the first condensing field, the first condensing field inner wall are not
If compressed-air line 2 with holes, concrete operations condition are：By the compressed air from compressed air feedway and from glue
The rare-earth isoprene rubber of liquid supplying device is injected by two-fluid spray nozzle 3 in condensing field 1, injects condensing field by two-fluid spray nozzle
Rare-earth isoprene rubber in 1 into glue speed be 1m3/ h, the pressure of the compressed air of injection is 0.6MPa in two-fluid spray nozzle 3,
Isolation agent should be maintained at 0.05kg/t glues, 83 DEG C of the temperature of the first condensing field, 280 revs/min of mixing speed, the second cohesion
93 DEG C of the temperature of kettle, 280 revs/min of mixing speed, cohesion is no for 24 hours to be seized, blocks up glue, carries kettle phenomenon on the back, is agglomerated after agglomerating 4h
1 liquid level of kettle has micelle knot to stick together phenomenon, and foam is few in kettle, opens condensing field 1 after the test and observes, and stirring does not have kiss-coating phenomenon,
Test result shows buffings granularity as 10~15mm, and raw rubber oil content is 0.49%, Mooney viscosity 99.6, water vapour consumption
3.4t/t raw rubber.
Embodiment 3
For glue used with embodiment 1, concrete operation step is as follows：
Circle compressed-air line 2 with holes is circumferentially all provided in the first condensing field, the second condensing field kettle wall, on each pipeline 2
If 6 compressed air outlets, 6 perforates are uniformly distributed on circular compressed-air line 2, compressed air outlet and condensing field
Kettle wall is parallel, and concrete operations condition is：By the compressed air from compressed air feedway and from glue feedway
Rare-earth isoprene rubber is injected by two-fluid spray nozzle 3 in condensing field, while past 2 injecting compressed air of compressed-air line with holes,
By two-fluid spray nozzle inject condensing field in rare-earth isoprene rubber into glue speed be 1m3/ h, toward two-fluid spray nozzle 3 and pipe with holes
The pressure of the compressed air of injection is 0.6MPa in line 2, and isolation agent should be maintained at 0.05kg/t glues, the first condensing field
83 DEG C of interior temperature, 280 revs/min of mixing speed, 93 DEG C of temperature in the second condensing field, 280 revs/min of mixing speed, cohesion is for 24 hours
It does not seize, stifled glue, carry kettle phenomenon on the back, condensing field liquid level does not have micelle knot to stick together phenomenon during experiment, and foam is few in kettle, examination
Condensing field observation is opened after testing, stirring does not have kiss-coating phenomenon, and test result shows buffings granularity as 5~10mm, and raw rubber contains
Oil mass is 0.49%, Mooney viscosity 99.6, water vapour consumption 4.7t/t raw rubbers.
Embodiment 4
For glue used with embodiment 1, concrete operation step is as follows：
First condensing field, the second condensing field inner wall circumferentially do not set compressed-air line, and it is empty that compression is not passed through in glue solution nozzle
Gas and be passed through steam, concrete operations condition is：Steam and the rare-earth isoprene rubber from glue feedway are passed through into two-fluid
In nozzle injection condensing field, the steam pressure in two-fluid spray nozzle is injected for 0.6MPa steam, is injected by two-fluid spray nozzle solidifying
Rare-earth isoprene rubber in poly- kettle into glue speed be 1m3/ h, isolation agent should be maintained at 0.08kg/t glues, the first condensing field
83 DEG C of interior temperature, 280 revs/min of mixing speed, the second 93 DEG C of temperature in the kettle of cohesion, 280 revs/min of mixing speed, cohesion do not have for 24 hours
It seizes, stifled glue, carry kettle phenomenon on the back, agglomerating condensing field liquid level after 2h has micelle knot to stick together phenomenon, there is more foam in condensing field,
It need to be eliminated with antifoaming agent, open condensing field observation after the test, stirring does not have kiss-coating phenomenon, and test result shows buffings granularity
For 10~20mm, raw rubber oil content is 0.55%, Mooney viscosity 99.6, water vapour consumption 4.5t/t raw rubbers.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and deformation, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of device for improving isoprene rubber flocculating result, which is characterized in that including：
One is equipped with the pipeline of multiple perforates, is annularly set around the circumferential direction of condensing field kettle inner wall, the air inlet of the pipeline
It is connected with compressed air feedway；
A pair of infusion fluid systems, the compressed air supply dress being connected including a two-fluid spray nozzle and with the two-fluid spray nozzle
It puts with glue feedway, the compressed air from the compressed air feedway and the glue from glue feedway lead to
The two-fluid spray nozzle is crossed to inject in the condensing field.
2. improve the device of isoprene rubber flocculating result as described in claim 1, which is characterized in that the two-fluid spray nozzle is
Double-layered cylinder structure inside and outside one, outer layer are gas chamber, and the gas chamber is equipped with a compressed air inlet and a compressed air outlet, described
Compressed air inlet is connected with the compressed air feedway, and internal layer is glue room, and the glue room is equipped with a glue entrance
It is exported with a glue, the glue entrance is connected with glue feedway, and the glue is exported the gas chamber and the glue
Room connects, and the compressed air outlet is exported with glue on same axis direction.
3. as described in claim 1 improve isoprene rubber flocculating result device, which is characterized in that the direction of the perforate with
The condensing field kettle wall is parallel.
4. improve the device of isoprene rubber flocculating result as described in claim 1, which is characterized in that the quantity of the perforate is
3~6, and multiple perforates are uniformly distributed at equal intervals.
5. improve the device of isoprene rubber flocculating result as described in claim 1, which is characterized in that inject the pressure of the pipeline
Contracting atmospheric pressure and the compressed air pressure for injecting the two-fluid spray nozzle are 0.3MPa~0.8MPa.
6. improve the device of isoprene rubber flocculating result as described in claim 1, which is characterized in that the condensing field kettle inner wall
Equipped with multiple fixed points for being used to fix the pipeline.
7. improve the device of isoprene rubber flocculating result as described in claim 1, which is characterized in that the glue outlet is less than
The compressed air outlet.
8. improve the device of isoprene rubber flocculating result as claimed in claim 7, which is characterized in that the glue outlet diameter
For 5mm.
9. a kind of method for improving isoprene rubber flocculating result, applied to the improvement any one of the claims 1-8
The device of isoprene rubber flocculating result, which is characterized in that include the following steps：
The winding one annular in shape of the circumferential direction of condensing field kettle inner wall have multiple perforates pipeline, the air inlet of the pipeline with
Compressed air feedway is connected；
One two-fluid spray nozzle is set, and the two-fluid spray nozzle connects the compressed air feedway and glue supply dress simultaneously
It puts, the compressed air from the compressed air feedway and the glue from glue feedway is passed through into the two-fluid
Nozzle is injected in the condensing field.
10. a kind of method for improving isoprene rubber flocculating result as claimed in claim 9, which is characterized in that inject the pipe
The compressed air pressure of line and the compressed air pressure for injecting the two-fluid spray nozzle are 0.3MPa~0.8MPa, injection cohesion
The glue speed in kettle kettle is 1m3/h。
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| CN201510455525.9A CN106397634B (en) | 2015-07-29 | 2015-07-29 | A kind of device and method for improving isoprene rubber flocculating result |
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| CN201510455525.9A CN106397634B (en) | 2015-07-29 | 2015-07-29 | A kind of device and method for improving isoprene rubber flocculating result |
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| CN110479515A (en) * | 2019-09-16 | 2019-11-22 | 山东齐鲁石化工程有限公司 | Combined type glue spraying mouth |
| CN111013200A (en) * | 2019-12-11 | 2020-04-17 | 上海仪电科学仪器股份有限公司 | Injection pump bubble removal device and method for instrument analysis |
| CN113399135B (en) * | 2021-06-22 | 2022-11-15 | 中国科学院过程工程研究所 | Slice type nozzle for synthetic rubber condensation and devolatilization and use method thereof |
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| CN102181002A (en) * | 2011-03-04 | 2011-09-14 | 中国石油天然气股份有限公司吉林石化分公司 | Wet coagulation method for rare-earth isoprene rubber |
| CN201990621U (en) * | 2011-03-04 | 2011-09-28 | 中国石油天然气股份有限公司吉林石化分公司 | Device for synthetizing isoprene rubber through wet coagulation process |
| CN102451800A (en) * | 2010-10-20 | 2012-05-16 | 中国石油化工股份有限公司 | Nozzle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3268501A (en) * | 1960-12-01 | 1966-08-23 | Phillips Petroleum Co | Recovery of polymers from solution |
| CN102451800A (en) * | 2010-10-20 | 2012-05-16 | 中国石油化工股份有限公司 | Nozzle |
| CN102181002A (en) * | 2011-03-04 | 2011-09-14 | 中国石油天然气股份有限公司吉林石化分公司 | Wet coagulation method for rare-earth isoprene rubber |
| CN201990621U (en) * | 2011-03-04 | 2011-09-28 | 中国石油天然气股份有限公司吉林石化分公司 | Device for synthetizing isoprene rubber through wet coagulation process |
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