CN105457587A - Transient heating and mixing reaction device - Google Patents
Transient heating and mixing reaction device Download PDFInfo
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- CN105457587A CN105457587A CN201510816448.5A CN201510816448A CN105457587A CN 105457587 A CN105457587 A CN 105457587A CN 201510816448 A CN201510816448 A CN 201510816448A CN 105457587 A CN105457587 A CN 105457587A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A transient heating and mixing reaction device is disclosed. Before an OH-containing hydroxyl compound and a NCO-containing isocyanate polymer are mixed to obtain a TPU elastomer, the OH-containing hydroxyl compound is firstly conveyed through a heating unit to undergo transient heating, and then the heated OH-containing hydroxyl compound and the NCO-containing isocyanate polymer are mixed. It can be ensured that the OH-containing hydroxyl compound and the NCO-containing isocyanate polymer can react smoothly to form the TPU elastomer. In addition, there is no need to add a promoter such that physical property and quality of the TPU elastomer can be maintained.
Description
Technical field
The divisional application that the present invention is application number is CN201210527723.8, the applying date is on December 10th, 2012, denomination of invention is " transient heating hybrid reaction method and device thereof ", it relates to a kind of transient heating mixed reactor for the production of TPU.
Background technology
Due to thermoplastic polyurethane (ThermoplasticPolyurethane; TPU) there is wear-resisting, the physical property such as tear resistance is good and tensile strength is large; therefore be widely used on the plastic products such as surgical glove, industrial diaphragm, mattress, raincoat, and occupy very important status in society now.
Generally speaking, mostly this TPU is that containing the isocyanates polymer of NCO by one containing the hydroxy compound and of OH mixes mutually and formed, but because the isocyanates polymer that the temperature that should must remain on 150 to 250 DEG C containing the hydroxy compound of OH just can contain NCO with this be reacted into TPU smoothly, so mostly existing TPU production technology is this hydroxy compound containing OH be placed in two charging baskets respectively with the isocyanates polymer that should contain NCO, and heat depositing this charging basket containing the hydroxy compound of OH, afterwards again by should mix with the isocyanates polymer that should contain NCO containing the hydroxy compound of OH after heating.
But aforesaid way must in this charging basket set temperature sensor, to monitor the temperature that this contains the hydroxy compound of OH, but this temperature sensor easily breaks down in the high temperature of 150 to 250 DEG C, and then affect production yield and the quality of TPU, allow this hydroxy compound containing OH remain on 150 to 250 DEG C of hydroxy compounds that this more can be caused to contain OH occurs rotten simultaneously, the results such as variable color, in view of this, dealer is in the streets had to propose another kind of TPU production technology, with the process of being somebody's turn to do containing the isocyanates mixed with polymers of NCO in this hydroxy compound containing OH, be added with promoter further, can for promoting the reaction time, this hydroxy compound containing OH is made to form TPU with can should react smoothly in compared with the environment of low temperature containing isocyanates polymer of NCO.
But add the physical property that promoter not only significantly can reduce TPU, and TPU can be made to have aging risk, therefore, present invention applicant is after observing above-mentioned shortcoming, and thinking that above-mentioned TPU production technology is real has the necessity improved further, and with there being generation of the present invention.
Summary of the invention
The object of the present invention is to provide a kind of transient heating hybrid reaction method and device thereof, it can allow the hydroxy compound containing OH react smoothly with the isocyanates polymer containing NCO and form TPU elastomer in high temperature, and temperature sensor can not be damaged and allow material deterioration, also do not need to add any promoter simultaneously.
For achieving the above object, transient heating hybrid reaction method provided by the invention, includes the following step:
Material preparation step: prepare one containing the hydroxy compound of OH, and one containing the isocyanates polymer of NCO, wherein, should preheat one first temperature containing the hydroxy compound of OH, this first temperature is between 90 to 110 DEG C;
Transient heating step: this is conducted through a heating unit containing hydroxy compound of OH, by this heating unit transient heating, make this hydroxy compound containing OH temperature after by this heating unit rise to one second temperature, this second temperature is between 150 to 250 DEG C;
Blend step: the hydroxy compound containing OH after transient heating was carried out being mixed to form a mixture with the isocyanates polymer that should contain NCO;
Reactions steps: make this mixture react formation one TPU elastomer voluntarily.
Described transient heating hybrid reaction method, wherein, is mixed with an additive in this blend step, and this additive is selected from the wherein one of chain elongation agent and bridging agent.
Described transient heating hybrid reaction method, wherein, is mixed with an additive in this reactions steps, and this additive is selected from the wherein one of chain elongation agent and bridging agent.
Transient heating hybrid reaction method provided by the invention, also includes the following step:
Material preparation step: prepare one containing the hydroxy compound of OH, and one containing the isocyanates polymer of NCO, also have an additive, wherein, should preheat one first temperature containing the hydroxy compound of OH, this first temperature is between 90 to 110 DEG C;
Transient heating step: this is conducted through a heating unit containing hydroxy compound of OH, by this heating unit transient heating, make this hydroxy compound containing OH temperature after by this heating unit rise to one second temperature, this second temperature is between 150 to 250 DEG C;
Blend step: the hydroxy compound containing OH after transient heating and this additive are carried out being mixed to form a mixture;
Reactions steps: the isocyanates polymer of this mixture further with this containing NCO is mixed, and reacts formation one TPU elastomer.
Described transient heating hybrid reaction method, wherein, the temperature of this heating unit controls at 150 to 250 DEG C, and should pass through the time controling of this heating unit at 20 to 30 seconds containing the hydroxy compound of OH.
Described transient heating hybrid reaction method, wherein, in this reactions steps, stirs this mixture, makes this mixture form this TPU elastomer in dynamic response.
Transient heating mixed reactor provided by the invention, includes:
One charging basket unit, it has one first charging basket, and this first charging basket has one first delivery outlet, and one second charging basket, and this second charging basket has one second delivery outlet;
One heating unit, it has a heater body, and is provided with a heater in this heater body, and is provided with a heat tunnel in this heater place contiguous, and one end of this heat tunnel is connected to this first delivery outlet;
One mixed cell, it has a mixing channel, and all sides of this mixing channel are provided with one first mixing entrance, one second mixing entrance and a mixed export, wherein, this the first mixing entrance is connected with the another end of this heat tunnel, and this second mixing entrance is connected with this second delivery outlet, be provided with a mixing screw in addition in this mixing channel, and this mixing screw is connected with a mixing motor;
One reaction member, it has a reaction tube, and all sides of this reaction tube are provided with one first reaction entrance and a reaction outlet, and this first reaction entrance is connected to this mixed export.
Described transient heating mixed reactor, wherein, this charging basket unit has one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet, 3rd delivery outlet is connected with this second delivery outlet by an adapter, second mixing entrance of this mixed cell is then connected with this adapter simultaneously, makes the 3rd delivery outlet be connected to this by this adapter and this second delivery outlet simultaneously and second mixes entrance.
Described transient heating mixed reactor, wherein, this charging basket unit has one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet, and all sides of this reaction tube then have one second reaction entrance, and this second reaction entrance is connected to the 3rd delivery outlet.
Transient heating mixed reactor provided by the invention, also includes:
One charging basket unit, it has one first charging basket, and this first charging basket has one first delivery outlet, and one second charging basket, and this second charging basket has one second delivery outlet, also have one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet;
One heating unit, it has a heater body, and is provided with a heater in this heater body, and is provided with a heat tunnel in this heater place contiguous, and one end of this heat tunnel is connected to this first delivery outlet;
One mixed cell, it has a mixing channel, and all sides of this mixing channel are provided with one first mixing entrance, one second mixing entrance and a mixed export, wherein, this the first mixing entrance is connected with the another end of this heat tunnel, and this second mixing entrance is connected with the 3rd delivery outlet, be provided with a mixing screw in addition in this mixing channel, and this mixing screw is connected with a mixing motor;
One reaction member, it has a reaction tube, and all sides of this reaction tube are provided with one first reaction entrance, a reaction outlet and one second reaction entrance, wherein, this the first reaction entrance is connected to this mixed export, and this second reaction entrance is then connected with this second delivery outlet.
Described transient heating mixed reactor, wherein, one end middle position of this heater body is provided with a perforation of through another end, and be provided with this heater in this perforation, separately, one end of this heater body is provided with a plurality of perforations of through another end around this perforation, again, the two ends of this heater body are respectively provided with a plurality of link slot, can form this heat tunnel for by this plurality of perforation serial connection.
Described transient heating mixed reactor, wherein, the central shaft of this perforation of central axis of this link slot, and this link slot adopts straight line to be connected between two corresponding perforations.
Described transient heating mixed reactor, wherein, the two ends of this heater body are respectively covered with a lid, and wherein on a lid to one end of heat tunnel being provided with an import, then to the another end of heat tunnel being provided with an outlet on another lid, be provided with a thermal insulating material outside this heater body simultaneously, and be provided with a shell body outside this thermal insulating material.
Described transient heating mixed reactor, wherein, be provided with a reaction screw rod in this reaction tube, and this reaction screw rod is connected with a reaction motor.
Transient heating hybrid reaction method provided by the invention and device thereof, as long as this hydroxy compound containing OH is first deposited in this first charging basket and is preheated to this first temperature by user, and this isocyanates polymer containing NCO is deposited in this second charging basket, again the hydroxy compound containing OH in this first charging basket is sent into this heat tunnel afterwards, allow hydroxy compound that this contains OH when by this heat tunnel, by this heater transient heating to this second temperature, and then the hydroxy compound containing OH after this transient heating and the isocyanates polymer containing NCO in this second charging basket are sent in the mixing channel of this mixed cell simultaneously, and drive this mixing screw to rotate by this mixing motor, make this hydroxy compound containing OH and a mixture should be thoroughly mixed to form containing the isocyanates polymer of NCO, finally by this mixed export, this mixture is sent in this reaction tube, this mixture is made to flow in the process of this reaction outlet again, reaction forms this TPU elastomer voluntarily, thus, not only can guarantee that this hydroxy compound containing OH can react smoothly with the isocyanates polymer that should contain NCO and form this TPU elastomer, and should containing the temperature of the hydroxy compound of OH because adopt the mode being conducted through this heating unit to carry out transient rise, so should not need to remain on high temperature for a long time containing the hydroxy compound of OH, and known TPU production technology can be overcome easily cause temperature sensor to damage and the shortcoming of material deterioration, simultaneously more because the present invention does not need to add promoter, so the elastomeric physical property of this TPU and quality can be maintained.
Accompanying drawing explanation
Fig. 1 is the block schematic diagram of the first preferred embodiment of the present invention.
Fig. 2 is the device schematic diagram of the first preferred embodiment of the present invention.
Fig. 3 is the exploded view of the heating unit of the first preferred embodiment of the present invention.
Fig. 4 is the sectional view of the heating unit of the first preferred embodiment of the present invention.
Fig. 5 is the connection diagram of the heat tunnel of the first preferred embodiment of the present invention.
Fig. 6 is the block schematic diagram of the second preferred embodiment of the present invention.
Fig. 7 is the device schematic diagram of the second preferred embodiment of the present invention.
Fig. 8 is the block schematic diagram of the 3rd preferred embodiment of the present invention.
Fig. 9 is the device schematic diagram of the 3rd preferred embodiment of the present invention.
Figure 10 is the block schematic diagram of the 4th preferred embodiment of the present invention.
Figure 11 is the device schematic diagram of the 4th preferred embodiment of the present invention.
Figure 12 is the device schematic diagram of the 5th preferred embodiment of the present invention.
Figure 13 is the device schematic diagram of the 6th preferred embodiment of the present invention.
Figure 14 is the device schematic diagram of the 7th preferred embodiment of the present invention.
Figure 15 is the device schematic diagram of the 8th preferred embodiment of the present invention.
Detailed description of the invention
Transient heating hybrid reaction method provided by the invention, include a material preparation step: prepare one containing the hydroxy compound of OH, and one containing the isocyanates polymer of NCO, wherein, should preheat one first temperature containing the hydroxy compound of OH, this first temperature is between 90 to 110 DEG C; And heating steps in a flash: this hydroxy compound containing OH is conducted through a heating unit, with the transient heating by this heating unit, make this hydroxy compound containing OH temperature after by this heating unit rise to one second temperature, this second temperature is between 150 to 250 DEG C; And a blend step: by after transient heating containing OH hydroxy compound with should carry out being mixed to form a mixture containing isocyanates polymer of NCO; Also has a reactions steps: make this mixture react formation one TPU elastomer voluntarily.
Transient heating hybrid reaction method provided by the present invention, includes a material preparation step: prepare one containing the hydroxy compound of OH, and one containing the isocyanates polymer of NCO, also has an additive, wherein, should preheat one first temperature containing the hydroxy compound of OH, this first temperature is between 90 to 110 DEG C; And heating steps in a flash: this hydroxy compound containing OH is conducted through a heating unit, with the transient heating by this heating unit, make this hydroxy compound containing OH temperature after by this heating unit rise to one second temperature, this second temperature is between 150 to 250 DEG C; And a blend step: the hydroxy compound containing OH after transient heating and this additive are carried out being mixed to form a mixture; Also has a reactions steps: mixed by the isocyanates polymer of this mixture further with this containing NCO, and react formation one TPU elastomer.
Preferably, wherein, in this blend step and this reactions steps, be mixed with an additive further, this additive is the wherein one being selected from chain elongation agent and bridging agent.
Preferably, wherein, the temperature of this heating unit controls at 150 to 250 DEG C, and should pass through the time controling of this heating unit at 20 to 30 seconds containing the hydroxy compound of OH.
Preferably, wherein, in this reactions steps, this mixture is stirred, make this mixture form this TPU elastomer in dynamic response.
Transient heating mixed reactor provided by the present invention, includes: a charging basket unit, and it has one first charging basket, and this first charging basket has one first delivery outlet, and one second charging basket, and this second charging basket has one second delivery outlet; And a heating unit, it has a heater body, and is provided with a heater in this heater body, and is provided with a heat tunnel in this heater place contiguous, and one end of this heat tunnel is connected to this first delivery outlet; And a mixed cell, it has a mixing channel, and all sides of this mixing channel are provided with one first mixing entrance, one second mixing entrance and a mixed export, wherein, this the first mixing entrance is connected with the another end of this heat tunnel, and this second mixing entrance is connected with this second delivery outlet, be provided with a mixing screw in addition in this mixing channel, and this mixing screw is connected with a mixing motor; Also have a reaction member, it has a reaction tube, and all sides of this reaction tube are provided with one first reaction entrance and a reaction outlet, and this first reaction entrance is connected to this mixed export.
Transient heating mixed reactor provided by the invention, include: a charging basket unit, it has one first charging basket, and this first charging basket has one first delivery outlet, and one second charging basket, and this second charging basket has one second delivery outlet, also have one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet; And a heating unit, it has a heater body, and is provided with a heater in this heater body, and is provided with a heat tunnel in this heater place contiguous, and one end of this heat tunnel is connected to this first delivery outlet; And a mixed cell, it has a mixing channel, and all sides of this mixing channel are provided with one first mixing entrance, one second mixing entrance and a mixed export, wherein, this the first mixing entrance is connected with the another end of this heat tunnel, and this second mixing entrance is connected with the 3rd delivery outlet, be provided with a mixing screw in addition in this mixing channel, and this mixing screw is connected with a mixing motor; Also has a reaction member, it has a reaction tube, and all sides of this reaction tube are provided with one first reaction entrance, a reaction outlet and one second reaction entrance, wherein, this the first reaction entrance is connected to this mixed export, and this second reaction entrance is then connected with this second delivery outlet.
Preferably, wherein, this charging basket unit further has one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet, 3rd delivery outlet is connected with this second delivery outlet by an adapter, second mixing entrance of this mixed cell is then connected with this adapter simultaneously, makes the 3rd delivery outlet be connected to this by this adapter and this second delivery outlet simultaneously and second mixes entrance.
Preferably, wherein, this charging basket unit further has one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet, and all sides of this reaction tube then have one second reaction entrance, and this second reaction entrance is connected to the 3rd delivery outlet.
Preferably, wherein, one end middle position of this heater body is provided with a perforation of through another end, and be provided with this heater in this perforation, separately, one end of this heater body is provided with a plurality of perforations of through another end around this perforation, again, the two ends of this heater body are respectively provided with a plurality of link slot, can form this heat tunnel for by this plurality of perforation serial connection.
Preferably, wherein, the central shaft of this link slot is the central shaft of this perforation vertical, and this link slot adopts straight line to be connected between two corresponding perforations.
Preferably, wherein, the two ends of this heater body are also respectively covered with a lid, and wherein a lid is to one end of heat tunnel being provided with an import, then to the another end of heat tunnel being provided with an outlet on another lid, this heater body is also provided with a thermal insulating material outward simultaneously, and is provided with a shell body outside this thermal insulating material.
Preferably, wherein, in this reaction tube, be also provided with a reaction screw rod, and this reaction screw rod is connected with a reaction motor.
Below in conjunction with accompanying drawing, the present invention is described in detail.
Referring to shown in Fig. 1, is the block schematic diagram of the first preferred embodiment of the present invention, and its announcement has a kind of transient heating hybrid reaction method, and this transient heating hybrid reaction method includes the following step:
Material preparation step: prepare one containing the hydroxy compound of OH, and one containing the isocyanates polymer of NCO, wherein, should be preheated to one first temperature containing the hydroxy compound of OH, this first temperature is between 90 to 110 DEG C.
Transient heating step: this hydroxy compound containing OH is conducted through a heating unit, with the transient heating by this heating unit, this hydroxy compound containing OH temperature after by this heating unit is made to rise to one second temperature, wherein, the temperature of this heating unit controls at 150 to 250 DEG C, and the time controling of this heating unit should be passed through at 20 to 30 seconds containing the hydroxy compound of OH, and this second temperature is between 150 to 250 DEG C
Blend step: the hydroxy compound containing OH after transient heating was carried out being mixed to form a mixture with the isocyanates polymer that should contain NCO.
Reactions steps: make this mixture react formation one TPU elastomer voluntarily.
Please consult again shown in Fig. 2 simultaneously, for the device schematic diagram of the first preferred embodiment of the present invention, and please refer to shown in Fig. 3, Fig. 4 and Fig. 5, for the connection diagram of the exploded view of the heating unit of the first preferred embodiment of the present invention, sectional view and heat tunnel, its announcement has a kind of transient heating mixed reactor 100, this transient heating mixed reactor 100, includes:
One charging basket unit 10, it has one first charging basket 11, and this first charging basket 11 has one first delivery outlet 111, this the first delivery outlet 111 place is provided with one first meter 112, and one second charging basket 12, and this second charging basket 12 has one second delivery outlet 121, this second delivery outlet 121 place is provided with one second meter 122.
One heating unit 20, it has a heater body 21, and be provided with a heater 22 in this heater body 21, and be provided with a heat tunnel 23 in this heater 22 place contiguous, one end of this heat tunnel 211 is connected to this first delivery outlet 111, in the present embodiment, one end middle position of this heater body 11 is provided with a perforation 211 of through another end, and be provided with this heater 22 in this perforation 211, separately, one end of this heater body 21 is provided with a plurality of perforations 212 of through another end around this perforation 211, again, the two ends of this heater body 21 are respectively provided with a plurality of link slot 213, this heat tunnel 23 can be formed for being connected in series by this plurality of perforation 212, wherein, the central shaft of this link slot 213 is central shafts of this perforation 212 vertical, and this link slot 213 adopts straight line to be connected between two corresponding perforations 212, two ends of this heat tunnel 23 lay respectively at two ends of this heater body 21 simultaneously, in addition the two ends of this heater body 21 are also respectively covered with a lid 24, and wherein on a lid 24 to one end of heat tunnel 23 being provided with an import 241, then to the another end of heat tunnel 23 being provided with an outlet 242 on another lid 24, this import 241 is connected to this first meter 111, and make one end of this heat tunnel 211 be connected to this first delivery outlet 111, separately, this lid 24 is also provided with a control piece 25 that can control this heater 22, again, this heater body 21 is outer is also provided with a thermal insulating material 26, and be also provided with a shell body 27 outside this thermal insulating material 26.
One mixed cell 30, it has a mixing channel 31, and all sides of this mixing channel 31 are provided with one first mixing entrance 311, one second mixing entrance 312 and a mixed export 313, wherein, this the first mixing entrance 311 is connected with the another end of this heat tunnel 23, and this second mixing entrance 312 is connected with this second delivery outlet 121, in the present embodiment, allow this second mixing entrance 312 be connected to this second meter 122, and be connected with this second delivery outlet 121, in addition a mixing screw 32 is provided with in this mixing channel 31, and this mixing screw 32 is connected with a mixing motor 33.
One reaction member 40, it has a reaction tube 41, and all sides of this reaction tube 41 are provided with one first reaction entrance 411 and a reaction outlet 412, and wherein, this first reaction entrance 411 is connected with this mixed export 313.
Please continue to refer to shown in Fig. 1 to Fig. 5, a kind of disclosed transient heating hybrid reaction method and device thereof, as long as this hydroxy compound containing OH is first deposited in this first charging basket 11 and is preheated to this first temperature by user, and this isocyanates polymer containing NCO is deposited in this second charging basket 12, again the hydroxy compound containing OH in this first charging basket 11 is sent into this heat tunnel 23 by this import 241 afterwards, and by this first meter 112 coutroi velocity, make this hydroxy compound containing OH between 20 to 30 seconds by this heat tunnel 23, and flow out this heat tunnel 23 by this outlet 242, to allow this hydroxy compound containing OH when by this heat tunnel 23, by this heater 22 transient heating to this second temperature, and then the isocyanates polymer containing NCO in the hydroxy compound containing OH flowed out by this outlet 242 and this second charging basket 12 is sent in the mixing channel 31 of this mixed cell 30 simultaneously, and drive this mixing screw 32 to rotate by this mixing motor 33, make this hydroxy compound containing OH and a mixture should be thoroughly mixed to form containing the isocyanates polymer of NCO, finally export this mixture by this mixed export 313, and allow this mixture enter in this reaction tube 41 by this first reaction entrance 411, this mixture can be allowed when flowing to this reaction and exporting 412, reaction forms this TPU elastomer voluntarily.
Thus, can in this containing the hydroxy compound of OH and before should the isocyanates mixed with polymers of NCO being contained, first pass through this heating unit 20 by this hydroxy compound transient heating containing OH to this second temperature, so not only can guarantee that this hydroxy compound containing OH can react smoothly with the isocyanates polymer that should contain NCO and form this TPU elastomer, and because be adopt the mode being conducted through this heating unit 20 to carry out this temperature containing the hydroxy compound of OH of transient rise, so should not need to remain on high temperature for a long time containing the hydroxy compound of OH, and known TPU production technology can be overcome easily cause temperature sensor to damage and the shortcoming of material deterioration, simultaneously also because the present invention does not need to add promoter, so the elastomeric physical property of this TPU and quality can be maintained.
It is worth mentioning that, because this heat tunnel 23 to be connected in series mutually with this link slot 213 by the perforation 212 be arranged at intervals at around this heater 22 formed, and the central shaft of this link slot 213 is central shafts of this perforation 212 vertical, and adopt straight line to be connected between two corresponding perforations 212, so not only can to the hydroxy compound homogeneous heating containing OH flowing through this heat tunnel 23, and can guarantee that this hydroxy compound containing OH can enter another perforation 212 to maintain flow speed stability by a wherein perforation 212 through this link slot 213 smoothly, thus enable this hydroxy compound thermally equivalent containing OH and temperature remains consistent.
Please consult again shown in Fig. 6 and Fig. 7 simultaneously, for block schematic diagram and the device schematic diagram of the second preferred embodiment of the present invention, this transient heating hybrid reaction method and aforementioned first preferred embodiment difference are, when this blend step, an additive can be mixed with further, this additive is the wherein one being selected from chain elongation agent and bridging agent, and in order to coordinate above-mentioned steps, this transient heating mixed reactor 100 has one the 3rd charging basket 13 further, 3rd charging basket 13 has one the 3rd delivery outlet 131, 3rd delivery outlet 131 place is provided with one the 3rd meter 132, 3rd meter 132 is connected with this second meter 122 by an adapter 14, this adapter 14 second mixes entrance 312 with this and is connected, make the 3rd delivery outlet 131 be connected to this by this adapter 14 and this second delivery outlet 121 simultaneously and second mix entrance 312, thus, this additive can be filled in the 3rd charging basket 13, this is made to contain the hydroxy compound of OH, can should carry out being mixed to form this mixture in this mixed cell 30 containing the isocyanates polymer of NCO and this additive simultaneously, in this reaction member 40, reaction forms this TPU elastomer voluntarily again, and the elastomeric molecular weight of this TPU can be increased by this additive, to promote the elastomeric physical property of this TPU.
Please consult again shown in Fig. 8 and Fig. 9 simultaneously, for block schematic diagram and the device schematic diagram of the 3rd preferred embodiment of the present invention, owing to mixing the hydroxy compound that this contains OH simultaneously, should containing the isocyanates polymer of NCO and this additive, the shortcoming that mixing is uneven may be produced, therefore the transient heating hybrid reaction method of the present embodiment and aforementioned second preferred embodiment difference are, when this reactions steps, just be mixed with this additive further, and in order to coordinate above-mentioned steps, all sides of this reaction tube 41 then have one second reaction entrance 413, and this second reaction entrance 413 is connected to the 3rd meter 132 and is connected with the 3rd delivery outlet 131 further, thus, making this hydroxy compound containing OH and be somebody's turn to do the isocyanates polymer containing NCO can prior to being uniformly mixed into this mixture in this mixed cell 30, Homogeneous phase mixing is carried out with this additive again in this reaction member 40, and guarantee that this contains the hydroxy compound of OH by the mode of two-stage mixing, isocyanates polymer and this additive that should contain NCO can Homogeneous phase mixing.
Please consult shown in Figure 10 and Figure 11, be block schematic diagram and the device schematic diagram of the 4th preferred embodiment of the present invention, it separately provides a kind of transient heating hybrid reaction method, and the method includes the following step simultaneously again:
Material preparation step: prepare one containing the hydroxy compound of OH, and one containing the isocyanates polymer of NCO, also have an additive, wherein, should be preheated to one first temperature containing the hydroxy compound of OH, this first temperature is between 90 to 110 DEG C.
Transient heating step: this is conducted through a heating unit containing hydroxy compound of OH, with the transient heating by this heating unit, make this hydroxy compound containing OH temperature after by this heating unit rise to one second temperature, this second temperature is between 150 to 250 DEG C.
Blend step: the hydroxy compound containing OH after transient heating and this additive are carried out being mixed to form a mixture.
Reactions steps: the isocyanates polymer of this mixture further with this containing NCO is mixed, and reacts formation one TPU elastomer.
And in order to coordinate above-mentioned steps, the present invention separately provides a kind of transient heating mixed reactor 100, this transient heating mixed reactor 100, includes:
One charging basket unit 10, it has one first charging basket 11, and this first charging basket 11 has one first delivery outlet 111, this the first delivery outlet 111 place is provided with one first meter 112, and one second charging basket 12, and this second charging basket 12 has one second delivery outlet 121, this the second delivery outlet 121 place is provided with one second meter 122, also have one the 3rd charging basket 13, and the 3rd charging basket 13 has one the 3rd delivery outlet the 131, three delivery outlet 131 place is provided with one the 3rd meter 132.
One heating unit 20, it has a heater body 21, and be provided with a heater 22 in this heater body 21, and be provided with a heat tunnel 23 in this heater 22 place contiguous, one end of this heat tunnel 23 is connected to this first meter 112 and is connected with this first delivery outlet 111 further, wherein, this heating unit 20 is identical with the announcement of the present invention first preferred embodiment, therefore repeats no more its further structure.
One mixed cell 30, it has a mixing channel 31, and all sides of this mixing channel 31 are provided with one first mixing entrance 311,1 second mixing entrance 312 and a mixed export 313, wherein, this the first mixing entrance 311 is connected with the another end of this heat tunnel 23, and this second mixing entrance 312 is connected to the 3rd meter 132, to be connected with the 3rd delivery outlet 131 further, in addition be provided with a mixing screw 32 in this mixing channel 31, and this mixing screw 32 is connected with a mixing motor 33.
One reaction member 40, it has a reaction tube 41, and all sides of this reaction tube 41 are provided with one first reaction entrance 411, reaction outlet 412 and one second reaction entrance 413, wherein, this the first reaction entrance 411 is connected to this mixed export 313, this the second reaction entrance 412 is then connected with this second meter 122, to be connected with this second delivery outlet 121 further.
Thus, allow user first this hydroxy compound containing OH can be filled in this first charging basket 11, and this isocyanates polymer containing NCO is filled in this second charging basket 12, again this additive is filled in the 3rd charging basket 13, and the hydroxy compound making this contain OH can first mix in this mixed cell 30 with this additive, mix in this reaction member 40 containing isocyanates polymer of NCO with this further again, thus hydroxy compound of allowing this contain OH can be reached equally with should react smoothly containing isocyanates polymer of NCO and form the elastomeric effect of this TPU.
Please consult again shown in Figure 12 to Figure 15 simultaneously, for the device schematic diagram of the 5th to the 8th preferred embodiment of the present invention, in order to because should cannot flowing in this reaction tube 41 because viscosity is higher by mixture, therefore in aforementioned first to fourth preferred embodiment, when this reactions steps, can stir this mixture, this mixture is made to form this TPU elastomer in dynamic response, and in order to coordinate above-mentioned embodiment, the present invention is provided with a reaction screw rod 42 further in this reaction tube 41, and this reaction screw rod 42 is connected with a reaction motor 43, thus, this reaction screw rod 42 can be driven to rotate by this reaction motor 43, to stir this mixture, this mixture is made to form this TPU elastomer in dynamic response, and simultaneously by the mode of screw rod extrusion, this TPU elastomer is released this reaction outlet 412.
Claims (8)
1. a transient heating mixed reactor, includes:
One charging basket unit, it has one first charging basket, and this first charging basket has one first delivery outlet, and one second charging basket, and this second charging basket has one second delivery outlet;
One heating unit, it has a heater body, and is provided with a heater in this heater body, and is provided with a heat tunnel in this heater place contiguous, and one end of this heat tunnel is connected to this first delivery outlet;
One mixed cell, it has a mixing channel, and all sides of this mixing channel are provided with one first mixing entrance, one second mixing entrance and a mixed export, wherein, this the first mixing entrance is connected with the another end of this heat tunnel, and this second mixing entrance is connected with this second delivery outlet, be provided with a mixing screw in addition in this mixing channel, and this mixing screw is connected with a mixing motor;
One reaction member, it has a reaction tube, and all sides of this reaction tube are provided with one first reaction entrance and a reaction outlet, and this first reaction entrance is connected to this mixed export.
2. transient heating mixed reactor according to claim 1, wherein, this charging basket unit has one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet, 3rd delivery outlet is connected with this second delivery outlet by an adapter, second mixing entrance of this mixed cell is then connected with this adapter simultaneously, makes the 3rd delivery outlet be connected to this by this adapter and this second delivery outlet simultaneously and second mixes entrance.
3. transient heating mixed reactor according to claim 1, wherein, this charging basket unit has one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet, all sides of this reaction tube then have one second reaction entrance, and this second reaction entrance is connected to the 3rd delivery outlet.
4. a transient heating mixed reactor, includes:
One charging basket unit, it has one first charging basket, and this first charging basket has one first delivery outlet, and one second charging basket, and this second charging basket has one second delivery outlet, also have one the 3rd charging basket, and the 3rd charging basket has one the 3rd delivery outlet;
One heating unit, it has a heater body, and is provided with a heater in this heater body, and is provided with a heat tunnel in this heater place contiguous, and one end of this heat tunnel is connected to this first delivery outlet;
One mixed cell, it has a mixing channel, and all sides of this mixing channel are provided with one first mixing entrance, one second mixing entrance and a mixed export, wherein, this the first mixing entrance is connected with the another end of this heat tunnel, and this second mixing entrance is connected with the 3rd delivery outlet, be provided with a mixing screw in addition in this mixing channel, and this mixing screw is connected with a mixing motor;
One reaction member, it has a reaction tube, and all sides of this reaction tube are provided with one first reaction entrance, a reaction outlet and one second reaction entrance, wherein, this the first reaction entrance is connected to this mixed export, and this second reaction entrance is then connected with this second delivery outlet.
5. the transient heating mixed reactor according to any one of Claims 1-4, wherein, one end middle position of this heater body is provided with a perforation of through another end, and be provided with this heater in this perforation, separately, one end of this heater body is provided with a plurality of perforations of through another end around this perforation, again, the two ends of this heater body are respectively provided with a plurality of link slot, can form this heat tunnel for by this plurality of perforation serial connection.
6. transient heating mixed reactor according to claim 5, wherein, the central shaft of this perforation of central axis of this link slot, and this link slot adopts straight line to be connected between two corresponding perforations.
7. transient heating mixed reactor according to claim 5, wherein, the two ends of this heater body are respectively covered with a lid, and wherein on a lid to one end of heat tunnel being provided with an import, then to the another end of heat tunnel being provided with an outlet on another lid, be provided with a thermal insulating material outside this heater body simultaneously, and be provided with a shell body outside this thermal insulating material.
8. the transient heating mixed reactor according to any one of Claims 1-4, wherein, be provided with a reaction screw rod in this reaction tube, and this reaction screw rod is connected with a reaction motor.
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| CN201510816448.5A CN105457587B (en) | 2012-12-10 | 2012-12-10 | Transient heating mixed reactor |
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| CN201510816448.5A CN105457587B (en) | 2012-12-10 | 2012-12-10 | Transient heating mixed reactor |
| CN201210527723.8A CN103865021A (en) | 2012-12-10 | 2012-12-10 | Method and device for instant heating mixing reaction |
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| JPH11286572A (en) * | 1998-04-02 | 1999-10-19 | Tohoku Electric Power Co Inc | Oil-producing reactor unit and oil-producing plant for plastic waste |
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| GB2407047A (en) * | 2003-09-17 | 2005-04-20 | Coperion Werner & Pfleiderer | Mixing microspheres into a plastics material in a twin-shaft extruder |
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| CN103865021A (en) | 2014-06-18 |
| CN105457587B (en) | 2017-11-14 |
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