CN216329662U - Material injection device for catalyzing and polymerizing dicyclopentadiene by using single-component carbene catalyst - Google Patents
Material injection device for catalyzing and polymerizing dicyclopentadiene by using single-component carbene catalyst Download PDFInfo
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- CN216329662U CN216329662U CN202121714576.6U CN202121714576U CN216329662U CN 216329662 U CN216329662 U CN 216329662U CN 202121714576 U CN202121714576 U CN 202121714576U CN 216329662 U CN216329662 U CN 216329662U
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- 239000000463 material Substances 0.000 title claims abstract description 136
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 title claims abstract description 74
- 238000002347 injection Methods 0.000 title claims abstract description 73
- 239000007924 injection Substances 0.000 title claims abstract description 73
- 239000003054 catalyst Substances 0.000 title claims abstract description 50
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 230000000379 polymerizing effect Effects 0.000 title claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 238000010926 purge Methods 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims description 23
- 239000002699 waste material Substances 0.000 claims description 12
- 239000002861 polymer material Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000001746 injection moulding Methods 0.000 abstract description 6
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052707 ruthenium Inorganic materials 0.000 abstract description 3
- 238000006116 polymerization reaction Methods 0.000 description 8
- 229920001153 Polydicyclopentadiene Polymers 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010107 reaction injection moulding Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The utility model relates to a material injection device for catalyzing and polymerizing dicyclopentadiene by using a single-component carbene catalyst, which comprises a material proportioning system, a material injection system, a forming system and a cleaning system, wherein the material proportioning system is connected with the material injection system; the material injection system comprises a cylinder type pump, a hydraulic cylinder, a spring valve, a discharge hole, a material injection pipe and a hose compressor; the cylinder type pump is communicated with the mixing tank through a communicating pipe, the hydraulic cylinder is connected with the cylinder type pump and used for reducing pressure of the cylinder type pump to suck materials or pressurizing the cylinder type pump to inject the materials into a forming system, and the hose presser is arranged on the material injection pipe and is close to one end of the forming system; the cleaning system comprises a cleaning inlet pipe, a cleaning outlet pipe and the like; wherein, wash into pipe and annotate material pipe upper end intercommunication, wash exit tube and annotate material pipe lower extreme intercommunication. The technology of combining the cylinder type pump, the stirring tank and the nitrogen purging system can realize the injection molding of the dicyclopentadiene based on the ruthenium carbene single-component catalyst, and the device has the advantages of simplicity, small volume, low manufacturing cost and easy popularization and application.
Description
Technical Field
The utility model relates to the technical field of material injection devices, in particular to a material injection device for catalyzing and polymerizing dicyclopentadiene by using a single-component carbene catalyst.
Background
The polydicyclopentadiene catalyst system is a bi-component system composed of a main catalyst and an activator, and the other polydicyclopentadiene catalyst system is a carbene single-component catalyst system. The double-component catalytic system has the advantages of low price and good process and is widely applied. Although ruthenium carbene catalysts have many advantages, their ratio to the monomeric dicyclopentadiene is too large, typically up to 1000: 1 or more, and thus it is difficult to perform injection molding on a conventional reaction injection molding machine. Therefore, Chinese patent discloses equipment for realizing large-proportion injection molding, such as application number 201921638380.6, application number 201820381109.8 and the like, but 201921638380.6 only discloses a mixing device for preparing polydicyclopentadiene from single component, which comprises an equipment frame and a mixing head device, wherein a bottom regulator is installed at the bottom of the equipment frame, a circular proportion regulator is fixed on the bottom regulator, a proportion measuring scale is connected on the circular proportion regulator, the circular proportion regulator is connected with a plunger pump through the proportion measuring scale, and a lever type plunger pump is formed by matching with the circular proportion regulator.
Patent 201820381109.8 discloses a polydicyclopentadiene high-proportion precision injection device, which comprises a first guide plate, a plurality of first mixing grooves, a first interface and a second interface, wherein the first mixing grooves are mutually separated; the first interface and the second interface are communicated with different first mixing grooves; the second guide plate is provided with a plurality of second mixing grooves which are mutually separated; the first injection molding device is communicated with the first interface, and a first material is injected into a first mixing groove communicated with the first interface through the first interface; and the second injection molding device is communicated with the second interface, and injects a second material into the first mixing groove communicated with the second interface through the second interface. The equipment enables two materials to be automatically mixed, but the technology also has the problems of complex structure and the like, and can not achieve due precision in metering, and the manufacturing cost is high.
Disclosure of Invention
In order to solve the problems, the utility model provides a material injection device for catalyzing and polymerizing dicyclopentadiene by using a single-component carbene catalyst, which can realize the polymerization injection molding of dicyclopentadiene based on the ruthenium carbene single-component catalyst by adopting the technology of combining a cylinder type pump and a stirring tank. The device has the advantages of simple design, small volume, low manufacturing cost and easy popularization and application.
The technical problem to be solved is solved by adopting the following technical scheme, and the injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst comprises a batching system, wherein the batching system comprises a dicyclopentadiene base material storage tank, a first metering pump, a dicyclopentadiene base material feeding pipe, a catalyst storage tank, a second metering pump, a catalyst feeding pipe, a mixing tank, a stirrer and stirring blades; the dicyclopentadiene base material storage tank is connected with the mixing tank through a dicyclopentadiene base material feeding pipe, and the first metering pump is arranged on the dicyclopentadiene base material feeding pipe and used for accurately controlling the feeding amount of the dicyclopentadiene base material; the catalyst storage tank is connected with the mixing tank through a catalyst feeding pipe, and the second metering pump is arranged on the catalyst feeding pipe and used for accurately controlling the feeding amount of the catalyst;
the material injection device also comprises a material injection system, a forming system and a cleaning system;
the material injection system comprises a cylinder type pump, a hydraulic cylinder, a spring valve, a discharge hole, a material injection pipe and a hose compressor; the cylinder type pump is communicated with the mixing tank through a communicating pipe, the hydraulic cylinder is connected with the cylinder type pump and used for reducing pressure of the cylinder type pump to suck materials or pressurizing the cylinder type pump to inject the materials into a forming system, and the hose presser is arranged on the material injection pipe and is close to one end of the forming system;
the cleaning system comprises a cleaning inlet pipe, a cleaning outlet pipe, a waste storage tank, a high-pressure nitrogen purging inlet pipe and a dicyclopentadiene base material cleaning inlet pipe; wherein, wash into pipe and annotate material pipe upper end intercommunication, wash exit tube and annotate material pipe lower extreme intercommunication, wash exit tube still with waste storage tank intercommunication.
Furthermore, two ends of the communicating pipe are respectively communicated with the lower part of the mixing tank and the lower part of the cylinder type pump.
Further, a first valve is further arranged on the communicating pipe.
Further, the discharge port is arranged at the bottom of the cylinder type pump, the material injection pipe is connected with the discharge port, and the spring valve is arranged between the discharge port and the material injection pipe and used for controlling the opening and closing of the discharge port.
Further, when the hydraulic cylinder reduces the pressure of the cylinder type pump, the spring valve is closed, and the dicyclopentadiene polymerization material in the mixing tank is sucked into the cylinder type pump through the communicating pipe; when the hydraulic cylinder pressurizes the cylinder type pump, the spring valve is automatically opened, so that dicyclopentadiene polymer materials in the cylinder type pump enter the material injection pipe through the discharge hole to be injected into a mold of the molding system.
Further, the molding system comprises a mold, and the top of the mold is communicated with the material injection pipe.
Furthermore, a second valve is arranged at the joint of the cleaning inlet pipe and the material injection pipe, and a third valve is arranged at the joint of the cleaning outlet pipe and the material injection pipe.
Further, the connection position of the cleaning outlet pipe and the material injection pipe is positioned above the hose presser.
Furthermore, the high-pressure nitrogen purging air inlet pipe and the dicyclopentadiene base material cleaning inlet pipe are connected with the cleaning inlet pipe, and a fourth valve and a fifth valve are arranged on the high-pressure nitrogen purging air inlet pipe and the dicyclopentadiene base material cleaning inlet pipe respectively.
Compared with the prior art, the utility model has the following advantages:
the utility model adopts the technology of combining a cylinder type pump and a stirring tank, dicyclopentadiene base material and carbene catalyst can be metered and added into a material mixing tank through a first metering pump and a second metering pump, the dicyclopentadiene base material and the carbene catalyst are reacted in the material mixing tank to generate dicyclopentadiene polymer material, the dicyclopentadiene polymer material generated in the material mixing tank can be sucked into the cylinder type pump through a hydraulic cylinder, the cylinder type pump is pressurized through the hydraulic cylinder to enable a spring valve at the bottom of the cylinder type pump to be automatically opened, so that the dicyclopentadiene polymer material in the cylinder type pump enters a material injection pipe and then enters a mold to complete material injection. And finally, the material injection pipe can be purged and cleaned through a cleaning system. The utility model has simple structure, low cost and convenient operation, and simultaneously contains a cleaning system, thus being easy to popularize and use.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Wherein, 1-dicyclopentadiene basic material storage tank, 2-first metering pump, 3-dicyclopentadiene basic material feeding pipe, 4-catalyst storage tank, 5-second metering pump, 6-catalyst feeding pipe, 7-mixing tank, 8-stirring machine, 9-stirring blade, 10-cylinder type pump, 11-hydraulic cylinder, 12-spring valve, 13-discharging port, 14-injecting pipe, 15-hose presser, 16-communicating pipe, 17-first valve, 18-mould, 19-cleaning inlet pipe, 20-cleaning outlet pipe, 21-second valve, 22-third valve, 23-waste storage tank, 24-high pressure nitrogen purging inlet pipe, 25-dicyclopentadiene basic material cleaning inlet pipe, 26-fourth valve, 27-fifth valve, 28-nitrogen line, 29-waste discharge pipe.
Detailed Description
For a better understanding of the contents of the utility model, reference will now be made to the following examples and accompanying drawings which illustrate the utility model. The present embodiment is implemented based on the technology of the present invention, and a detailed implementation manner and operation steps are given, but the scope of the present invention is not limited to the following embodiments.
The utility model relates to a material injection device for catalyzing and polymerizing dicyclopentadiene by using a single-component carbene catalyst.
The batching system comprises a dicyclopentadiene basic material storage tank 1, a first metering pump 2, a dicyclopentadiene basic material feeding pipe 3, a catalyst storage tank 4, a second metering pump 5, a catalyst feeding pipe 6, a mixing tank 7, a stirrer 8, a stirring blade 9 and the like. Wherein, dicyclopentadiene basic material storage tank is connected with the compounding jar through dicyclopentadiene basic material inlet pipe, and first measuring pump setting is used for the feeding volume of accurate control dicyclopentadiene basic material on dicyclopentadiene basic material inlet pipe 3. The catalyst storage tank is connected with the mixing tank through a catalyst feeding pipe, and the second metering pump is arranged on the catalyst feeding pipe and used for accurately controlling the feeding amount of the catalyst. The part of the technology is the prior art and is not described in too much detail. The mixer is arranged on the top of the mixing tank, and the stirring blades are arranged in the mixing tank and used for uniformly stirring and mixing the dicyclopentadiene base material and the catalyst added into the mixing tank to generate the dicyclopentadiene polymerization material. And a nitrogen pipeline 28 is also arranged on the mixing tank and used for introducing nitrogen into the mixing tank to avoid the contact of the materials in the mixing tank and air to influence the reaction.
The material injection system comprises a cylinder type pump 10, a hydraulic cylinder 11, a spring valve 12, a discharge hole 13, a material injection pipe 14, a hose presser 15 and the like. Wherein the hydraulic cylinder is connected with a cylinder type pump, the piston of the hydraulic cylinder is arranged in the cylinder type pump, the cylinder type pump 10 is communicated with the material mixing tank 7 through a communicating pipe 16, and preferably, two ends of the communicating pipe are respectively communicated with the lower part of the material mixing tank and the lower part of the cylinder type pump. The communicating pipe is also provided with a first valve 17. The discharge port is arranged at the bottom of the cylinder type pump, the material injection pipe is connected with the discharge port, the spring valve is arranged between the discharge port and the material injection pipe and used for controlling the opening and closing of the discharge port, and the hose presser is arranged on the material injection pipe and close to one end of the mold 18. The hydraulic cylinder is used for reducing the pressure of the cylinder type pump to suck materials or pressurizing the cylinder type pump to inject materials into the die. When the hydraulic cylinder exhausts and reduces the pressure of the cylinder type pump, the spring valve is closed, and the dicyclopentadiene polymerization material in the mixing tank is sucked into the cylinder type pump through the communicating pipe. When the hydraulic cylinder pressurizes the cylinder type pump, the spring valve is automatically opened, and dicyclopentadiene polymer materials in the cylinder type pump enter the material injection pipe through the discharge hole to be injected to a mold of the molding system.
The molding system includes a mold 18 having a top portion connected to the sprue bar 14.
The cleaning system comprises a cleaning inlet pipe 19, a cleaning outlet pipe 20, a waste storage tank 23, a high-pressure nitrogen purging inlet pipe 24, a dicyclopentadiene base material cleaning inlet pipe 25 and the like. The cleaning inlet pipe is communicated with the upper end of the material injection pipe, a second valve 21 is arranged at the joint of the cleaning inlet pipe and the material injection pipe, the cleaning outlet pipe is communicated with the lower end of the material injection pipe, a third valve 22 is arranged at the joint of the cleaning outlet pipe and the material injection pipe, and the cleaning outlet pipe 20 is also communicated with a waste storage tank 23. The high-pressure nitrogen purging air inlet pipe and the dicyclopentadiene base material cleaning inlet pipe are both connected with the cleaning inlet pipe 19, and the high-pressure nitrogen purging air inlet pipe and the dicyclopentadiene base material cleaning inlet pipe are respectively provided with a fourth valve 26 and a fifth valve 27. The connection of the purge out tube and the fill tube is located above the hose presser as shown in fig. 1.
When the device is used for injecting and molding the dicyclopentadiene polymerization materials, firstly, the dicyclopentadiene base materials and the catalyst are metered and added into the mixing tank through the first metering pump and the second metering pump, the dicyclopentadiene base materials and the catalyst are added into the mixing tank according to the metered amount and then are stirred by the stirrer and the stirring blades in the mixing tank, the dicyclopentadiene polymerization materials are finally formed, and after the reaction is completed, the stirrer is closed. Opening a first valve on the communicating pipe, starting the hydraulic cylinder to reduce the pressure in the cylinder type pump, and sucking a certain amount of dicyclopentadiene polymer into the cylinder type pump according to the size of the mould; after the suction is finished, the first valve and the hydraulic cylinder are closed, the hose compressor is opened to enable the material injection pipe to be a passage, and the second valve and the third valve are both in a closed state. Then the hydraulic cylinder is started to downwards pressurize the cylinder type pump, the spring valve is jacked open under the action of pressure, the dicyclopentadiene polymer in the cylinder type pump is pressed into the discharge port and enters the material injection pipe, the dicyclopentadiene polymer is injected into the mold through the material injection pipe to be molded, after the material injection is completed, the hydraulic cylinder and the hose presser are closed, the spring valve is closed, the second valve, the third valve and the fourth valve are opened, a nitrogen purging device (not shown in the figure) is opened, the high-pressure nitrogen is used for blowing out the residual dicyclopentadiene polymer in the material injection pipe to enter the waste material storage tank 23, then the fourth valve is closed, the fifth valve is opened, and the material injection pipe is cleaned by using dicyclopentadiene base material (material without catalyst). The cleaned waste material enters a waste material storage tank 23, and the die is opened after the dicyclopentadiene polymerization material in the die is solidified, and the workpiece is taken out.
Furthermore, a stopper can be arranged in the material injection system, and the operation process of the hydraulic cylinder is limited by the stopper, so that a certain amount of polymer material is controlled to enter the cylinder type pump, and a certain amount of polymer material is injected into the mold from the cylinder type pump. The method specifically comprises the following steps: an upright rod is arranged between the strokes of the hydraulic rods, and an upper limiter and a lower limiter are arranged on the upright rod. A touch rod is arranged on the hydraulic rod, and the touch rod on the hydraulic rod moves between the upper limiter and the lower limiter. When the hydraulic cylinder moves upwards, the touch rod touches the upper limiter, and the hydraulic cylinder stops pumping materials. When the hydraulic cylinder descends, the touch rod touches the lower limiter, and the hydraulic cylinder stops injecting the materials. This makes it possible to suck the polymer material into the cylinder pump in a fixed amount and to inject the polymer material into the mold in a fixed amount. The above means can be further controlled by a PLC, so that quantitative material suction and quantitative material injection are realized.
It is to be noted that the polymeric material drawn into the cylinder pump should be injected into the mold as quickly as possible and used up as quickly as possible, otherwise the polymeric material will polymerize and solidify in the cylinder pump. The dicyclopentadiene base material is added into the mixing tank immediately after the polymeric material in the mixing tank is pumped by the cylinder type pump, so that the reaction and solidification of the material in the mixing tank can be avoided, and the follow-up use is realized. After the material injection is completed, the material injection pipe connecting the cylinder type pump and the mould is immediately blown into the waste material tank by high-pressure nitrogen, then cleaned by the dicyclopentadiene base material, and finally blown by the high-pressure nitrogen, so that the material injection pipe is emptied.
The utility model can suck the dicyclopentadiene polymer generated in the mixing tank into the cylinder pump, and then the cylinder pump is pressurized by the hydraulic cylinder to automatically open the spring valve at the bottom of the cylinder pump, so that the dicyclopentadiene polymer in the cylinder pump enters the material injection pipe and then enters the die to complete the material injection. The mixing tank can be further provided with a heating device, a cooling device, a temperature measuring device and the like for controlling the polymerization reaction speed of the dicyclopentadiene and the carbene catalyst according to needs, and the technology is known in the art and is not described in detail.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any way, and the present invention may also have other embodiments according to the above structures and functions, and is not listed again. Therefore, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention by those skilled in the art can be made within the technical scope of the present invention.
Claims (9)
1. A material injection device for catalyzing and polymerizing dicyclopentadiene by using a single-component carbene catalyst comprises a material distribution system, wherein the material distribution system comprises a dicyclopentadiene base material storage tank (1), a first metering pump (2), a dicyclopentadiene base material feeding pipe (3), a catalyst storage tank (4), a second metering pump (5), a catalyst feeding pipe (6), a mixing tank (7), a stirrer (8) and stirring blades (9); the dicyclopentadiene base material storage tank is connected with the mixing tank through a dicyclopentadiene base material feeding pipe, and the first metering pump is arranged on the dicyclopentadiene base material feeding pipe and used for accurately controlling the feeding amount of the dicyclopentadiene base material; the catalyst storage tank is connected with the mixing tank through a catalyst feeding pipe, and the second metering pump is arranged on the catalyst feeding pipe and used for accurately controlling the feeding amount of the catalyst; the method is characterized in that: the material injection device also comprises a material injection system, a forming system and a cleaning system;
the material injection system comprises a cylinder type pump (10), a hydraulic cylinder (11), a spring valve (12), a discharge hole (13), a material injection pipe (14) and a hose presser (15); the cylinder type pump is communicated with the mixing tank through a communicating pipe (16), the hydraulic cylinder is connected with the cylinder type pump and used for reducing pressure of the cylinder type pump to suck materials or pressurizing the cylinder type pump to inject the materials into a forming system, and the hose presser is arranged on the material injection pipe and close to one end of the forming system;
the cleaning system comprises a cleaning inlet pipe (19), a cleaning outlet pipe (20), a waste storage tank (23), a high-pressure nitrogen purging inlet pipe (24) and a dicyclopentadiene base material cleaning inlet pipe (25); wherein, wash into pipe and annotate material pipe upper end intercommunication, wash exit tube and annotate material pipe lower extreme intercommunication, wash exit tube (20) still with waste storage tank (23) intercommunication.
2. The injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst as recited in claim 1, wherein both ends of the communicating pipe are respectively communicated with the lower part of the mixing tank and the lower part of the cylinder pump.
3. The injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst as set forth in claim 1 or 2, characterized in that the communicating tube is further provided with a first valve (17).
4. The injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst as claimed in claim 1, wherein a discharge port is arranged at the bottom of the cylinder pump, the injection pipe is connected with the discharge port, and a spring valve is arranged between the discharge port and the injection pipe and used for controlling the opening and closing of the discharge port.
5. The injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst as claimed in claim 1, wherein when the cylinder pump is depressurized by the hydraulic cylinder, the spring valve is closed, and the dicyclopentadiene polymer in the mixing tank is sucked into the cylinder pump through the communicating pipe; when the hydraulic cylinder pressurizes the cylinder type pump, the spring valve is automatically opened, so that dicyclopentadiene polymer materials in the cylinder type pump enter the material injection pipe through the discharge hole to be injected into a mold of the molding system.
6. The injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst as set forth in claim 1, wherein the molding system comprises a mold (18), and the top of the mold is communicated with the injection pipe.
7. The injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst as claimed in claim 1, wherein a second valve (21) is arranged at the joint of the cleaning inlet pipe and the injection pipe, and a third valve (22) is arranged at the joint of the cleaning outlet pipe and the injection pipe.
8. The injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst as recited in claim 1, wherein the connection position of the cleaning outlet pipe and the injection pipe is positioned above the hose compactor.
9. The injection device for catalyzing and polymerizing dicyclopentadiene by using the single-component carbene catalyst as claimed in claim 1, wherein the high-pressure nitrogen purging inlet pipe (24) and the dicyclopentadiene base material cleaning inlet pipe (25) are both connected with the cleaning inlet pipe (19), and the high-pressure nitrogen purging inlet pipe and the dicyclopentadiene base material cleaning inlet pipe are respectively provided with a fourth valve (26) and a fifth valve (27).
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CN202121714576.6U CN216329662U (en) | 2021-07-26 | 2021-07-26 | Material injection device for catalyzing and polymerizing dicyclopentadiene by using single-component carbene catalyst |
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CN202121714576.6U CN216329662U (en) | 2021-07-26 | 2021-07-26 | Material injection device for catalyzing and polymerizing dicyclopentadiene by using single-component carbene catalyst |
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Effective date of registration: 20240125 Address after: 471023, 2, gate 20, block twenty-two, Jianxi District, Luoyang, Henan. Patentee after: Zhang Yuqing Country or region after: China Address before: 213000 No.1, south section of Menghe Avenue, Menghe Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Changzhou Jude New Material Co.,Ltd. Country or region before: China |
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