CN105457587A - Instant heating mixing reaction device - Google Patents

Abstract

An instant heating and mixing reaction device can convey OH-containing hydroxyl compound through a heating unit before OH-containing hydroxyl compound and NCO-containing isocyanate polymer are mixed into a TPU elastomer, so that the OH-containing hydroxyl compound is instantly heated by the heating unit and then is mixed with the NCO-containing isocyanate polymer, thereby not only ensuring that the OH-containing hydroxyl compound and the NCO-containing isocyanate polymer can smoothly react to form the TPU elastomer, but also maintaining the physical properties and quality of the TPU elastomer because no accelerator is added.

Description

Instant heating mixed reaction device

technical field

The present invention is a divisional application with the application number CN201210527723.8, the application date is December 10, 2012, and the invention name is "instant heating mixing reaction method and device thereof", which relates to an instant heating mixing reaction method for producing TPU Reactor.

Background technique

Because thermoplastic polyurethane (Thermoplastic Polyurethane, TPU) has physical properties such as wear resistance, tear resistance and high tensile strength, it is widely used in plastics such as surgical gloves, industrial protective films, air cushions, and raincoats. Products, and occupy a pivotal position in today's society.

Generally speaking, the TPU is mostly composed of an OH-containing hydroxyl compound mixed with an NCO-containing isocyanate polymer, but because the OH-containing hydroxyl compound must be kept at a temperature of 150 to 250°C React smoothly with the NCO-containing isocyanate polymer to form TPU, so the existing TPU production technology is mostly to place the OH-containing hydroxyl compound and the NCO-containing isocyanate polymer in two barrels and heat the barrel containing the OH-containing hydroxy compound, and then mix the heated OH-containing hydroxy compound with the NCO-containing isocyanate polymer.

However, in the above method, a temperature sensor must be installed in the barrel to monitor the temperature of the OH-containing hydroxyl compound, but the temperature sensor is prone to failure at a high temperature of 150 to 250 ° C, which will affect the production yield and quality of TPU. At the same time, keeping the OH-containing hydroxy compound at 150 to 250°C will cause the OH-containing hydroxy compound to deteriorate and change color. In the process of mixing the hydroxy compound with the NCO-containing isocyanate polymer, an accelerator is further added to accelerate the reaction time, so that the OH-containing hydroxy compound and the NCO-containing isocyanate polymer can be In a relatively low temperature environment, it reacts smoothly to form TPU.

However, adding accelerators will not only greatly reduce the physical properties of TPU, but also cause TPU to have the risk of aging. Therefore, after observing the above-mentioned shortcomings, the applicant of the present invention thinks that the above-mentioned TPU production technology needs to be further improved. Generation of the present invention.

Contents of the invention

The object of the present invention is to provide a kind of instantaneous heating mixing reaction method and its device, which can make OH-containing hydroxyl compound and NCO-containing isocyanate polymer react smoothly at high temperature to form TPU elastomer, and will not damage the temperature. The sensor and the material deteriorate without adding any accelerator.

To achieve the above object, the instant heating mixed reaction method provided by the present invention comprises the following steps:

Preparation step: preparing an OH-containing hydroxy compound and an NCO-containing isocyanate polymer, wherein the OH-containing hydroxy compound is preheated to a first temperature, and the first temperature is between 90 and 110° C.;

Instant heating step: transporting the OH-containing hydroxyl compound through a heating unit, and being heated by the heating unit instantaneously, so that the temperature of the OH-containing hydroxyl compound rises to a second temperature after passing through the heating unit, and the second temperature is between at 150 to 250°C;

Mixing step: mixing the OH-containing hydroxyl compound and the NCO-containing isocyanate polymer after instantaneous heating to form a mixture;

Reaction steps: making the mixture self-react to form a TPU elastomer.

In the instant heating mixing reaction method, an additive is mixed in the mixing step, and the additive is selected from one of chain extenders and bridging agents.

In the instant heating and mixing reaction method, an additive is mixed in the reaction step, and the additive is selected from one of a chain extender and a bridging agent.

The instant heating mixed reaction method provided by the present invention also includes the following steps:

Preparation step: prepare an OH-containing hydroxy compound, an NCO-containing isocyanate polymer, and an additive, wherein the OH-containing hydroxy compound is preheated to a first temperature, and the first temperature is between 90 to 110°C;

Instant heating step: transporting the OH-containing hydroxyl compound through a heating unit, and being heated by the heating unit instantaneously, so that the temperature of the OH-containing hydroxyl compound rises to a second temperature after passing through the heating unit, and the second temperature is between at 150 to 250°C;

Mixing step: mixing the OH-containing hydroxyl compound after instantaneous heating with the additive to form a mixture;

Reaction step: the mixture is further mixed with the NCO-containing isocyanate polymer, and reacted to form a TPU elastomer.

The instant heating mixed reaction method, wherein the temperature of the heating unit is controlled at 150 to 250° C., and the time for the OH-containing hydroxyl compound to pass through the heating unit is controlled at 20 to 30 seconds.

The instant heating mixing reaction method, wherein, in the reaction step, the mixture is stirred, and the mixture is dynamically reacted to form the TPU elastomer.

The instantaneous heating mixing reaction device provided by the present invention comprises:

A bucket unit, which has a first bucket, and the first bucket has a first outlet, and a second bucket, and the second bucket has a second outlet;

A heating unit, which has a heating body, and a heater is arranged in the heating body, and a heating channel is arranged adjacent to the heater, and one end of the heating channel is connected to the first output port;

A mixing unit, which has a mixing tank, and the peripheral side of the mixing tank is provided with a first mixing inlet, a second mixing inlet and a mixing outlet, wherein the first mixing inlet is connected to the other end of the heating channel , and the second mixing inlet is connected to the second output port, and a mixing screw is arranged in the mixing tank, and a mixing motor is connected to the mixing screw;

A reaction unit has a reaction tube, and a first reaction inlet and a reaction outlet are arranged on the peripheral side of the reaction tube, and the first reaction inlet is connected to the mixing outlet.

The instant heating mixing reaction device, wherein, the barrel unit has a third barrel, and the third barrel has a third output port, and the third output port is connected to the second output port through an adapter port, while the second mixing inlet of the mixing unit is connected to the adapter, so that the third output port and the second output port can be connected to the second mixing inlet through the adapter.

The instant heating mixing reaction device, wherein, the barrel unit has a third barrel, and the third barrel has a third output port, and the reaction tube has a second reaction inlet on the peripheral side, And the second reaction inlet is connected to the third output port.

The instantaneous heating mixing reaction device provided by the present invention also includes:

A bucket unit, which has a first bucket, and the first bucket has a first output port, and a second bucket, and the second bucket has a second output port, and a third a material barrel, and the third material barrel has a third output port;

A heating unit, which has a heating body, and a heater is arranged in the heating body, and a heating channel is arranged adjacent to the heater, and one end of the heating channel is connected to the first output port;

A mixing unit, which has a mixing tank, and the peripheral side of the mixing tank is provided with a first mixing inlet, a second mixing inlet and a mixing outlet, wherein the first mixing inlet is connected to the other end of the heating channel , and the second mixing inlet is connected to the third output port, and a mixing screw is arranged in the mixing tank, and a mixing motor is connected to the mixing screw;

A reaction unit, which has a reaction tube, and the peripheral side of the reaction tube is provided with a first reaction inlet, a reaction outlet and a second reaction inlet, wherein the first reaction inlet is connected to the mixing outlet, and the second The second reaction inlet is connected with the second output port.

The instant heating mixing reaction device, wherein, a through hole is provided at the middle position of one end of the heating body through the other end, and the heater is arranged in the through hole, and one end of the heating body is provided with a through hole around the through hole. There are a plurality of through holes at the other end, and a plurality of connecting grooves are provided at both ends of the heating body, which can be used to connect the plurality of through holes in series to form the heating channel.

In the instant heating mixing reaction device, the central axis of the connecting groove is perpendicular to the central axis of the through hole, and the connecting groove is connected between two corresponding through holes by a straight line.

The instant heating mixing reaction device, wherein, each of the two ends of the heating body is covered with a cover, and one of the covers is provided with an inlet corresponding to one end of the heating channel, and the other cover is corresponding to the heating channel. An outlet is provided at the other end of the channel, and an insulating material is provided outside the heating body, and an outer casing is provided outside the insulating material.

In the instant heating mixing reaction device, a reaction screw is arranged in the reaction tube, and a reaction motor is connected to the reaction screw.

In the instantaneous heating mixing reaction method and device thereof provided by the present invention, the user only needs to first store the OH-containing hydroxyl compound in the first barrel and preheat it to the first temperature, and polymerize the NCO-containing isocyanate The material is stored in the second material barrel, and then the OH-containing hydroxyl compound in the first material barrel is sent into the heating channel, so that the OH-containing hydroxyl compound is instantly heated by the heater when passing through the heating channel to the second temperature, then the instantaneously heated OH-containing hydroxyl compound and the NCO-containing isocyanate polymer in the second barrel are simultaneously sent into the mixing tank of the mixing unit, and passed through the The mixing motor drives the mixing screw to rotate, so that the OH-containing hydroxyl compound and the NCO-containing isocyanate polymer are fully mixed to form a mixture, and finally the mixture is sent into the reaction tube through the mixing outlet, and the mixture is re- In the process of flowing to the reaction outlet, the TPU elastomer is formed by self-reaction, thereby not only ensuring that the OH-containing hydroxyl compound and the NCO-containing isocyanate polymer can react smoothly to form the TPU elastomer, but also Because the temperature of the OH-containing hydroxy compound is instantly raised by transporting through the heating unit, the OH-containing hydroxy compound does not need to be kept at a high temperature for a long time, and the known TPU production technology can easily cause damage to the temperature sensor and material damage. The shortcoming of deterioration, and because the present invention does not need to add accelerator, so can maintain the physical property and quality of this TPU elastomer.

Description of drawings

FIG. 1 is a schematic block diagram of a first preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of the device of the first preferred embodiment of the present invention.

Fig. 3 is an exploded view of the heating unit of the first preferred embodiment of the present invention.

Fig. 4 is a sectional view of the heating unit of the first preferred embodiment of the present invention.

Fig. 5 is a schematic diagram of the connection of the heating channel in the first preferred embodiment of the present invention.

FIG. 6 is a block diagram of a second preferred embodiment of the present invention.

Fig. 7 is a schematic diagram of the device of the second preferred embodiment of the present invention.

FIG. 8 is a schematic block diagram of a third preferred embodiment of the present invention.

Fig. 9 is a schematic diagram of the device of the third preferred embodiment of the present invention.

FIG. 10 is a schematic block diagram of a fourth preferred embodiment of the present invention.

Fig. 11 is a schematic diagram of the device of the fourth preferred embodiment of the present invention.

Fig. 12 is a schematic diagram of the device of the fifth preferred embodiment of the present invention.

Fig. 13 is a schematic diagram of the device of the sixth preferred embodiment of the present invention.

Fig. 14 is a schematic diagram of the device of the seventh preferred embodiment of the present invention.

Fig. 15 is a schematic diagram of the device of the eighth preferred embodiment of the present invention.

detailed description

The instant heating mixing reaction method provided by the present invention comprises a material preparation step: preparing an OH-containing hydroxyl compound and an NCO-containing isocyanate polymer, wherein the OH-containing hydroxyl compound is preheated to a first temperature, The first temperature is between 90 and 110° C.; and a momentary heating step: the OH-containing hydroxy compound is passed through a heating unit, so that the OH-containing hydroxy compound is heated through the heating unit by the momentary heating of the heating unit. After the unit, the temperature is raised to a second temperature, the second temperature is between 150 and 250° C.; and a mixing step: mixing the instantaneously heated OH-containing hydroxyl compound with the NCO-containing isocyanate polymer A mixture is formed; there is also a reaction step: allowing the mixture to react by itself to form a TPU elastomer.

The instantaneous heating mixed reaction method provided by the present invention includes a material preparation step: prepare an OH-containing hydroxy compound, and an NCO-containing isocyanate polymer, and an additive, wherein the OH-containing hydroxy compound is preheated a first temperature, the first temperature is between 90°C and 110°C; and an instant heating step: delivering the OH-containing hydroxyl compound through a heating unit, so that the OH-containing hydroxyl compound is instantaneously heated by the heating unit to make the OH-containing hydroxyl compound The temperature of the compound rises to a second temperature after passing through the heating unit, and the second temperature is between 150 and 250° C.; and a mixing step: mixing the OH-containing hydroxyl compound and the additive after instantaneous heating to form a mixture ; There is also a reaction step: the mixture is further mixed with the NCO-containing isocyanate polymer and reacted to form a TPU elastomer.

As a preferred solution, an additive is further mixed in the mixing step and the reaction step, and the additive is one selected from chain extenders and bridging agents.

As a preferred solution, wherein the temperature of the heating unit is controlled at 150 to 250° C., and the time for the OH-containing hydroxyl compound to pass through the heating unit is controlled at 20 to 30 seconds.

As a preferred solution, wherein, in the reaction step, the mixture is stirred, and the mixture is dynamically reacted to form the TPU elastomer.

The instantaneous heating mixing reaction device provided by the present invention includes: a tank unit, which has a first tank, and the first tank has a first output port, and a second tank, and the first tank The second material barrel has a second output port; and a heating unit, which has a heating body, and a heater is arranged in the heating body, and a heating channel is provided adjacent to the heater, and one end of the heating channel is connected to The first output port; and a mixing unit, which has a mixing tank, and the peripheral side of the mixing tank is provided with a first mixing inlet, a second mixing inlet and a mixing outlet, wherein the first mixing inlet and the The other end of the heating channel is connected, and the second mixing inlet is connected to the second output port, and a mixing screw is arranged in the mixing tank, and a mixing motor is connected to the mixing screw; there is also a reaction unit, which has a A reaction tube, and a first reaction inlet and a reaction outlet are arranged on the peripheral side of the reaction tube, and the first reaction inlet is connected to the mixing outlet.

The instantaneous heating mixing reaction device provided by the present invention includes: a tank unit, which has a first tank, and the first tank has a first output port, and a second tank, and the second The barrel has a second output port, and a third barrel, and the third barrel has a third output port; and a heating unit, which has a heating body, and a heater is arranged in the heating body, And a heating channel is provided adjacent to the heater, one end of the heating channel is connected to the first output port; and a mixing unit, which has a mixing tank, and a first mixing inlet, a second mixing inlet and a mixing outlet, wherein the first mixing inlet is connected to the other end of the heating channel, and the second mixing inlet is connected to the third output port; in addition, a Mixing screw, and the mixing screw is connected with a mixing motor; there is also a reaction unit, which has a reaction tube, and the peripheral side of the reaction tube is provided with a first reaction inlet, a reaction outlet and a second reaction inlet, wherein the The first reaction inlet is connected to the mixing outlet, and the second reaction inlet is connected to the second output port.

As a preferred solution, wherein, the material barrel unit further has a third material barrel, and the third material barrel has a third output port, and the third output port is connected to the second output port through an adapter , and at the same time, the second mixing inlet of the mixing unit is connected to the adapter, so that the third output port and the second output port can be connected to the second mixing inlet simultaneously through the adapter.

As a preferred solution, wherein, the barrel unit further has a third barrel, and the third barrel has a third output port, and the reaction tube has a second reaction inlet on the peripheral side, and the first The two reaction inlets are connected to the third output port.

As a preferred solution, a through hole penetrating through the other end is provided at the middle position of one end of the heating body, and the heater is disposed in the through hole, and in addition, one end of the heating body is provided with a plurality of through holes penetrating the other end around the through hole. In addition, both ends of the heating body are provided with a plurality of connecting grooves, which can be used to connect the plurality of through holes in series to form the heating channel.

As a preferred solution, wherein, the central axis of the connecting groove is perpendicular to the central axis of the through hole, and the connecting groove is connected between two corresponding through holes by a straight line.

As a preferred solution, the two ends of the heating body are each covered with a cover, and one of the covers is provided with an inlet corresponding to one end of the heating channel, and the other cover is corresponding to the other end of the heating channel. An outlet is provided at the end, and an insulating material is provided outside the heating body, and an outer casing is provided outside the insulating material.

As a preferred solution, a reaction screw is further arranged in the reaction tube, and a reaction motor is connected to the reaction screw.

The present invention will be described in detail below in conjunction with the accompanying drawings.

Please refer to Fig. 1, which is a schematic block diagram of a first preferred embodiment of the present invention, which discloses a method for instantaneous heating and mixing reaction, which includes the following steps:

Material preparation step: prepare an OH-containing hydroxy compound and an NCO-containing isocyanate polymer, wherein the OH-containing hydroxy compound is preheated to a first temperature, and the first temperature is between 90°C and 110°C.

Instant heating step: transporting the OH-containing hydroxy compound through a heating unit, so that the temperature of the OH-containing hydroxy compound rises to a second temperature after passing through the heating unit due to the instantaneous heating of the heating unit, wherein the The temperature of the heating unit is controlled at 150 to 250°C, and the time for the OH-containing hydroxyl compound to pass through the heating unit is controlled at 20 to 30 seconds, and the second temperature is between 150 and 250°C

Mixing step: the instantaneously heated OH-containing hydroxyl compound is mixed with the NCO-containing isocyanate polymer to form a mixture.

Reaction steps: making the mixture self-react to form a TPU elastomer.

Please refer to Fig. 2 at the same time, which is a schematic diagram of the device of the first preferred embodiment of the present invention, and please refer to Fig. 3, Fig. 4 and Fig. 5, which are the heating of the first preferred embodiment of the present invention The exploded view, cross-sectional view of the unit, and the schematic diagram of the connection of the heating channel disclose a kind of instantaneous heating mixed reaction device 100. The instantaneous heating mixed reaction device 100 includes:

A bucket unit 10, which has a first bucket 11, and the first bucket 11 has a first output port 111, the first output port 111 is provided with a first meter 112, and a second material The barrel 12, and the second barrel 12 has a second output port 121, and a second gauge 122 is provided at the second output port 121.

A heating unit 20, which has a heating body 21, and a heater 22 is arranged in the heating body 21, and a heating channel 23 is arranged adjacent to the heater 22, and one end of the heating channel 211 is connected to the first output Port 111. In this embodiment, a through hole 211 is provided at the middle position of one end of the heating body 11 through the other end, and the heater 22 is arranged in the through hole 211. In addition, one end of the heating body 21 surrounds the through hole. 211 is provided with a plurality of through-holes 212 passing through the other end, and each of the two ends of the heating body 21 is provided with a plurality of connecting grooves 213, which can be used to connect the plurality of through-holes 212 in series to form the heating channel 23, wherein the The central axis of the connecting groove 213 is perpendicular to the central axis of the through hole 212, and the connecting groove 213 is connected between the two corresponding through holes 212 by a straight line, and the two ends of the heating channel 23 are respectively located at the two ends of the heating body 21. In addition, the two ends of the heating body 21 are also covered with a cover 24, and one of the covers 24 is provided with an inlet 241 corresponding to one end of the heating channel 23, and the other cover 24 is corresponding to the heating channel. The other end of 23 is provided with an outlet 242, and this inlet 241 is connected with this first gauge 111, and makes one end of this heating channel 211 be connected with this first output port 111, and in addition, this cover body 24 is also provided with controllable A control member 25 of the heater 22 , and an insulating material 26 is provided outside the heating body 21 , and an outer casing 27 is provided outside the insulating material 26 .

A mixing unit 30, which has a mixing tank 31, and the peripheral side of the mixing tank 31 is provided with a first mixing inlet 311, a second mixing inlet 312 and a mixing outlet 313, wherein the first mixing inlet 311 and the mixing outlet The other end of the heating channel 23 is connected, and the second mixing inlet 312 is connected to the second output port 121. In this embodiment, the second mixing inlet 312 is connected to the second meter 122, and It is connected to the second output port 121 , and a mixing screw 32 is arranged in the mixing tank 31 , and a mixing motor 33 is connected to the mixing screw 32 .

A reaction unit 40 has a reaction tube 41 , and a first reaction inlet 411 and a reaction outlet 412 are disposed on the peripheral side of the reaction tube 41 , wherein the first reaction inlet 411 is connected to the mixing outlet 313 .

Please continue to refer to Fig. 1 to Fig. 5, a kind of instantaneous heating mixing reaction method and its device disclosed by the present invention, the user only needs to store the OH-containing hydroxyl compound in the first barrel 11 and preheat it to the First temperature, and storing the NCO-containing isocyanate polymer in the second tank 12, and then the OH-containing hydroxyl compound in the first tank 11 is sent into the heating channel from the inlet 241 23, and the flow rate is controlled by the first meter 112, so that the OH-containing hydroxyl compound passes through the heating channel 23 in 20 to 30 seconds, and flows out of the heating channel 23 from the outlet 242, so that the OH-containing hydroxyl compound When the compound passes through the heating channel 23, it is instantly heated to the second temperature by the heater 22, and then the OH-containing hydroxyl compound flowing out from the outlet 242 is combined with the NCO-containing isocyanic acid in the second barrel 12 Salt polymer is sent into the mixing tank 31 of the mixing unit 30 at the same time, and the mixing screw 32 is driven by the mixing motor 33 to rotate, so that the OH-containing hydroxyl compound and the NCO-containing isocyanate polymer are fully mixed to form A mixture, finally output the mixture from the mixing outlet 313, and allow the mixture to enter the reaction tube 41 from the first reaction inlet 411, so that the mixture can react by itself to form the TPU when flowing to the reaction outlet 412 elastomer.

Therefore, before the OH-containing hydroxy compound is mixed with the NCO-containing isocyanate polymer, the OH-containing hydroxy compound can be heated to the second temperature instantaneously by the heating unit 20, so that not only can ensure The OH-containing hydroxy compound and the NCO-containing isocyanate polymer can react smoothly to form the TPU elastomer, and because the temperature of the OH-containing hydroxy compound is instantly raised by transporting through the heating unit 20, Therefore, the OH-containing hydroxyl compound does not need to be kept at a high temperature for a long time, and can overcome the shortcomings of the known TPU production technology, which easily causes damage to the temperature sensor and deterioration of the material. At the same time, because the present invention does not need to add accelerators, it can maintain the elasticity of the TPU. Body properties and quality.

It is worth mentioning that because the heating channel 23 is formed by connecting the through holes 212 spaced around the heater 22 and the connecting groove 213 in series, and the central axis of the connecting groove 213 is perpendicular to the through hole 212 and connected between the two corresponding through-holes 212 by a straight line, so not only can the OH-containing hydroxy compound flowing through the heating channel 23 be evenly heated, but also ensure that the OH-containing hydroxy compound can pass through it smoothly. The hole 212 passes through the connection groove 213 and enters another through hole 212 to maintain a stable flow rate, so that the OH-containing hydroxyl compound can be heated evenly and maintain a consistent temperature.

Please refer to Fig. 6 and Fig. 7 at the same time, which is a schematic block diagram and a schematic diagram of the device of the second preferred embodiment of the present invention. The difference between the instant heating and mixing reaction method and the first preferred embodiment is that in this During the mixing step, an additive can be further mixed, which is one of the chain extenders and bridging agents, and in order to cooperate with the above steps, the instant heating mixing reaction device 100 further has a third barrel 13, the The third material barrel 13 has a third output port 131, the third output port 131 is provided with a third meter 132, the third meter 132 is connected to the second meter 122 through an adapter 14, The adapter 14 is connected to the second mixing inlet 312, so that the third output port 131 can be connected to the second mixing inlet 312 through the adapter 14 and the second output port 121 simultaneously, thus, can The additive is filled in the third bucket 13, so that the OH-containing hydroxyl compound, the NCO-containing isocyanate polymer and the additive can be mixed in the mixing unit 30 to form the mixture, and then in the The reaction unit 40 automatically reacts to form the TPU elastomer, and the molecular weight of the TPU elastomer can be increased by the additive to improve the physical properties of the TPU elastomer.

Please refer to Fig. 8 and Fig. 9 at the same time, which is a schematic block diagram and a schematic diagram of the device of the third preferred embodiment of the present invention, since the OH-containing hydroxyl compound, the NCO-containing isocyanate polymer and The additive may have the disadvantage of uneven mixing, so the instantaneous heating mixing reaction method of this embodiment is different from the aforementioned second preferred embodiment in that the additive is further mixed during the reaction step, and for Cooperating with the above steps, the peripheral side of the reaction tube 41 has a second reaction inlet 413, and the second reaction inlet 413 is connected to the third meter 132 and further connected to the third output port 131, thus, The OH-containing hydroxyl compound and the NCO-containing isocyanate polymer can be uniformly mixed in the mixing unit 30 to form the mixture, and then uniformly mixed with the additive in the reaction unit 40, and can pass two The stage mixing method ensures that the OH-containing hydroxyl compound, the NCO-containing isocyanate polymer and the additive can be uniformly mixed.

Please refer to Fig. 10 and Fig. 11 at the same time, which are schematic block diagrams and device schematic diagrams of a fourth preferred embodiment of the present invention, which also provides a method for instantaneous heating and mixing reaction, which includes the following steps:

Preparation step: prepare an OH-containing hydroxy compound, an NCO-containing isocyanate polymer, and an additive, wherein the OH-containing hydroxy compound is preheated to a first temperature, and the first temperature is between 90 to 110°C.

Instant heating step: transporting the OH-containing hydroxy compound through a heating unit, so that the temperature of the OH-containing hydroxy compound rises to a second temperature after passing through the heating unit through the instantaneous heating of the heating unit, and the second The temperature is between 150 and 250°C.

Mixing step: mixing the OH-containing hydroxyl compound after instantaneous heating with the additive to form a mixture.

Reaction step: the mixture is further mixed with the NCO-containing isocyanate polymer, and reacted to form a TPU elastomer.

In order to cooperate with the above steps, the present invention additionally provides an instantaneous heating mixing reaction device 100, the instantaneous heating mixing reaction device 100 includes:

A bucket unit 10, which has a first bucket 11, and the first bucket 11 has a first output port 111, the first output port 111 is provided with a first meter 112, and a second material barrel 12, and the second material barrel 12 has a second output port 121, a second gauge 122 is provided at the second output port 121, and a third material barrel 13 is also provided, and the third material barrel 13 has a The third output port 131 is provided with a third gauge 132 at the third output port 131 .

A heating unit 20, which has a heating body 21, and a heater 22 is arranged in the heating body 21, and a heating channel 23 is arranged adjacent to the heater 22, and one end of the heating channel 23 is connected to the first measurement The device 112 is further connected to the first output port 111, wherein, the heating unit 20 is the same as that disclosed in the first preferred embodiment of the present invention, so its further structure will not be repeated here.

A mixing unit 30, which has a mixing tank 31, and the peripheral side of the mixing tank 31 is provided with a first mixing inlet 311, a second mixing inlet 312 and a mixing outlet 313, wherein the first mixing inlet 311 and The other end of the heating channel 23 is connected, and the second mixing inlet 312 is connected to the third meter 132, so as to be further connected to the third output port 131, and a mixing screw 32 is arranged in the mixing tank 31, And the mixing screw 32 is connected with a mixing motor 33 .

A reaction unit 40, which has a reaction tube 41, and the peripheral side of the reaction tube 41 is provided with a first reaction inlet 411, a reaction outlet 412 and a second reaction inlet 413, wherein the first reaction inlet 411 is connected to The mixing outlet 313 and the second reaction inlet 412 are connected to the second meter 122 to be further connected to the second output port 121 .

Thus, the user can first fill the OH-containing hydroxyl compound into the first tank 11, and fill the NCO-containing isocyanate polymer into the second tank 12, and then fill the additive In the third bucket 13, the OH-containing hydroxyl compound is first mixed with the additive in the mixing unit 30, and then further mixed with the NCO-containing isocyanate polymer in the reaction unit 40 Mixing, so that the effect of allowing the OH-containing hydroxyl compound to react smoothly with the NCO-containing isocyanate polymer to form the TPU elastomer can also be achieved.

Please refer to Fig. 12 to Fig. 15 at the same time, which are the device diagrams of the fifth to eighth preferred embodiments of the present invention. In order to cope with the fact that the mixture may not flow in the reaction tube 41 due to its high viscosity, the aforementioned In the first to fourth preferred embodiments, during the reaction step, the mixture can be stirred so that the mixture can react dynamically to form the TPU elastomer. 41 is provided with a reaction screw 42, and the reaction screw 42 is connected with a reaction motor 43, thus, the reaction screw 42 can be driven to rotate by the reaction motor 43 to stir the mixture, so that the mixture can be dynamically reacted to form the TPU elastic body, and at the same time push out the TPU elastic body from the reaction outlet 412 by means of screw extrusion.

Claims (8)

1. An instant heating mixed reaction device, comprising: A bucket unit, which has a first bucket, and the first bucket has a first outlet, and a second bucket, and the second bucket has a second outlet; A heating unit, which has a heating body, and a heater is arranged in the heating body, and a heating channel is arranged adjacent to the heater, and one end of the heating channel is connected to the first output port; A mixing unit, which has a mixing tank, and the peripheral side of the mixing tank is provided with a first mixing inlet, a second mixing inlet and a mixing outlet, wherein the first mixing inlet is connected to the other end of the heating channel , and the second mixing inlet is connected to the second output port, and a mixing screw is arranged in the mixing tank, and a mixing motor is connected to the mixing screw; A reaction unit has a reaction tube, and a first reaction inlet and a reaction outlet are arranged on the peripheral side of the reaction tube, and the first reaction inlet is connected to the mixing outlet. 2. The instantaneous heating mixing reaction device according to claim 1, wherein the bucket unit has a third bucket, and the third bucket has a third output port, and the third output port is passed through a transfer The device is connected to the second output port, while the second mixing inlet of the mixing unit is connected to the adapter, so that the third output port can be connected to the second output port through the adapter at the same time. Second mixed entrance. 3. The instantaneous heating mixing reaction device according to claim 1, wherein the barrel unit has a third barrel, and the third barrel has a third output port, and the reaction tube has a peripheral side A second reaction inlet, and the second reaction inlet is connected to the third output port. 4. An instant heating mixing reaction device, comprising: A bucket unit, which has a first bucket, and the first bucket has a first output port, and a second bucket, and the second bucket has a second output port, and a third a material barrel, and the third material barrel has a third output port; A heating unit, which has a heating body, and a heater is arranged in the heating body, and a heating channel is arranged adjacent to the heater, and one end of the heating channel is connected to the first output port; A mixing unit, which has a mixing tank, and the peripheral side of the mixing tank is provided with a first mixing inlet, a second mixing inlet and a mixing outlet, wherein the first mixing inlet is connected to the other end of the heating channel , and the second mixing inlet is connected to the third output port, and a mixing screw is arranged in the mixing tank, and a mixing motor is connected to the mixing screw; A reaction unit, which has a reaction tube, and the peripheral side of the reaction tube is provided with a first reaction inlet, a reaction outlet and a second reaction inlet, wherein the first reaction inlet is connected to the mixing outlet, and the second The second reaction inlet is connected with the second output port. 5. The instantaneous heating mixing reaction device according to any one of claims 1 to 4, wherein a through hole penetrating through the other end is provided at the middle position of one end of the heating body, and the heater is provided in the through hole, and in addition, One end of the heating body surrounds the through hole with a plurality of through holes passing through the other end, and a plurality of connecting grooves are respectively provided at both ends of the heating body for connecting the plurality of through holes in series to form the heating channel. 6. The instantaneous heating mixing reaction device according to claim 5, wherein the central axis of the connecting groove is perpendicular to the central axis of the through hole, and the connecting groove is connected between two corresponding through holes by a straight line. 7. The instantaneous heating mixing reaction device according to claim 5, wherein each of the two ends of the heating body is covered with a cover, and one of the covers is provided with an inlet corresponding to one end of the heating channel, and the other cover An outlet is provided on the body corresponding to the other end of the heating channel, and an insulating material is arranged outside the heating body, and an outer shell is arranged outside the insulating material. 8. The instantaneous heating mixing reaction device according to any one of claims 1 to 4, wherein a reaction screw is arranged in the reaction tube, and a reaction motor is connected to the reaction screw.