CN219359976U - Production equipment for copolymerization synthesis of carbon dioxide-based degradable plastics - Google Patents
Production equipment for copolymerization synthesis of carbon dioxide-based degradable plastics Download PDFInfo
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- CN219359976U CN219359976U CN202320072372.XU CN202320072372U CN219359976U CN 219359976 U CN219359976 U CN 219359976U CN 202320072372 U CN202320072372 U CN 202320072372U CN 219359976 U CN219359976 U CN 219359976U
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- unit
- reaction
- carbon dioxide
- filter
- pushing
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 29
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 29
- 229920006238 degradable plastic Polymers 0.000 title claims abstract description 21
- 238000007334 copolymerization reaction Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 title description 3
- 238000003786 synthesis reaction Methods 0.000 title description 2
- 238000006243 chemical reaction Methods 0.000 claims abstract description 56
- 238000001125 extrusion Methods 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000006223 plastic coating Substances 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- ZWAJLVLEBYIOTI-OLQVQODUSA-N (1s,6r)-7-oxabicyclo[4.1.0]heptane Chemical compound C1CCC[C@@H]2O[C@@H]21 ZWAJLVLEBYIOTI-OLQVQODUSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides production equipment for synthesizing carbon dioxide-based degradable plastics by copolymerization, belonging to the field of degradable plastics and a frame body; the reaction unit is used for mixing the plastic raw materials and is arranged at the top of the frame body; a filtering unit; a pushing unit; the inside of reaction unit is provided with the reaction chamber, the bottom of reaction chamber is provided with the delivery outlet, the bottom of delivery outlet switches on and is connected with the filter chamber, the lateral part of filter chamber is provided with the extrusion chamber, the inside rotation of extrusion chamber is provided with the screw rod, the filter has been seted up to the bottom of extrusion chamber. The sealing limit between the reaction cavity and the filter cavity is opened through the control piece, so that the mixture falls into the filter cavity, flows into the extrusion cavity, is extruded by the external blades of the screw rod, is reduced, and is extruded through the filter plate under the action of the extrusion force, so that the filtering efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of degradable plastics, in particular to production equipment for synthesizing carbon dioxide-based degradable plastics by copolymerization.
Background
The carbon dioxide-based biodegradable plastic is a carbon dioxide-based polymer, and the carbon dioxide-based polymer is a high polymer obtained by copolymerizing carbon dioxide and other monomers under the action of a catalyst; the carbon dioxide-based plastic raw materials which are produced in batch at present mainly comprise carbon dioxide/propylene oxide copolymer, carbon dioxide/propylene oxide/ethylene oxide terpolymer, carbon dioxide/propylene oxide/cyclohexane oxide terpolymer and other varieties. The polymer, namely the alternating aliphatic polycarbonate, obtained by copolymerizing carbon dioxide and propylene oxide under the action of a catalyst has good environmental degradability. The carbon dioxide can be effectively utilized, waste is changed into valuable, and the material has good gas barrier property and transparency, can be completely biodegraded, and is expected to be widely applied to the fields of disposable medical treatment and food packaging.
Chinese patent CN201921727548.0 discloses a production facility of copolymerization synthetic carbon dioxide based degradable plastics, including the support, the top fixed mounting of support has the agitator tank, one side at agitator tank top is equipped with the feed inlet, and the top fixed mounting of agitator tank has electric heater. This copolymerization synthesizes production facility of carbon dioxide base degradable plastics drives epaxial wall scraper blade through starting the second motor and rotates, can clear up the inner wall of agitator tank, and the clearance is convenient, can avoid plastics adhesion on the agitator tank inner wall and influence the problem that the agitator tank is used in the follow-up, and this device independently sets up stirring mechanism and wall scraping mechanism inside the agitator tank, compares in prior art with wall scraper blade and stirring leaf setting in same epaxial mode of pivot, has reduced the resistance when stirring leaf rotates to the output torque of motor has been reduced, electric power has been practiced thrift.
However, the following problems exist in the technical scheme and the prior art:
while the semi-finished product in the stirring box is still in a molten state when being filtered, the semi-finished product is filtered under gravity attraction flow only by the action of gravity when being filtered, so that the filtering efficiency is low, and the effect of coating mixing is poor when the reaction equipment is used for coating treatment in plastic production.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and provides production equipment for synthesizing carbon dioxide-based degradable plastics by copolymerization.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a production facility for copolymerizing and synthesizing carbon dioxide-based degradable plastics, comprising:
a frame body;
the reaction unit is used for mixing the plastic raw materials and is arranged at the top of the frame body;
the filtering unit is used for filtering the mixed raw materials and is connected between the frame body and the reaction unit;
the pushing unit is used for pushing and mixing the materials internally and is arranged at the bottom of the reaction unit;
the inside of reaction unit is provided with the reaction chamber, the bottom of reaction chamber is provided with the delivery outlet, the bottom of delivery outlet switches on and is connected with the filter chamber, the lateral part of filter chamber is provided with the extrusion chamber, the inside rotation of extrusion chamber is provided with the screw rod, the filter has been seted up to the bottom of extrusion chamber.
Preferably, the reaction unit further comprises a disc, the top of the reaction cavity is movably provided with the disc, and the top of the disc is provided with a discharging hopper;
the top of disc and the lateral part at the lower hopper install the sleeve, telescopic inside rotates and is connected with the speed reduction drive unit, the output shaft rotation of speed reduction drive unit extends to the inside of reaction chamber and installs the stirring leaf in its bottom.
Preferably, the side part of the deceleration driving unit is provided with a side block, the side block is movably arranged on the casing, and the side part of the casing is provided with a movable groove for accommodating the side block to move up and down.
Preferably, the inside of the cover shell is provided with a guiding column for guiding the sliding of the side block, the bottom of the guiding column is provided with a frame body, the outside of the cover shell is provided with a heat clamping layer, and the bottom of the side block is provided with a lifting piece.
Preferably, the heating elements are uniformly arranged in the heat clamping layer along the circumferential direction of the disc, and a control element is arranged between the output port and the filter cavity.
Preferably, the frame body comprises a mounting plate, the mounting plate is arranged on the side part of the frame body, and the mounting plate is fixedly mounted through the side frame and the driving piece.
Preferably, the surface of the frame body is provided with a through hole, the driving piece is connected with the screw rod through a linkage unit in a transmission way, and the inside of the through hole is provided with the linkage unit.
Preferably, the filter unit comprises a transport pipe, the bottom of the filter unit is provided with the transport pipe, the side part of the filter cavity is inclined downwards to form an extrusion cavity, and the bottom of the filter plate is provided with the transport pipe.
Preferably, the pushing unit comprises a dispersing head, the dispersing head is arranged at the bottom of the reaction cavity along the circumferential direction of the reaction cavity, and the pushing unit is arranged at the bottom of the reaction cavity.
Preferably, a pushing piece is arranged at the bottom of the pushing unit, an output shaft of the pushing piece is movably connected with the pushing plug through a sealing ring, the pushing plug is movably arranged at the bottom end of the inside of the pushing unit, and a feeding pipe is arranged on the side part of the pushing unit in a conducting mode.
The utility model has the beneficial effects that:
1. according to the utility model, the sealing limit between the reaction cavity and the filter cavity is opened through the control piece, so that the mixture falls into the filter cavity, flows into the extrusion cavity, and is extruded to be smaller by the extrusion of the outer blades of the screw rod, and meanwhile, the mixture is extruded to pass through the filter plate under the action of the extrusion force, so that the filtering efficiency is improved;
2. according to the utility model, the raw materials to be processed are placed in the reaction cavity, the stirring blade is driven by the speed-reducing driving unit to rotate, the raw materials are mixed in the reaction cavity under the assistance of heating of the heating element in the heat-clamping layer, and the pushing element pushes up the pushing plug to push and disperse the solvent in the pushing unit into the reaction cavity, so that the internal coating is formed, and the effect of plastic coating production is further improved;
in conclusion, the utility model has the advantages of high filtering efficiency and good coating effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram showing the connection of the internal structure of the reaction chamber of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is a schematic view showing the connection of the internal structure of the filter chamber of the present utility model;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;
fig. 6 is a schematic connection diagram of the internal structure of the pushing unit of the present utility model.
In the figure: 1. a frame body; 101. a mounting plate; 1011. a side frame; 102. a driving member; 103. perforating; 104. a linkage unit; 2. a reaction unit; 201. discharging a hopper; 202. a disc; 203. a sleeve; 204. a deceleration driving unit; 2041. stirring the leaves; 205. a side block; 2051. a lifting member; 206. a casing; 2061. a movable groove; 2062. a guide post; 207. a thermal layer is sandwiched; 2071. a heating member; 208. a reaction chamber; 2081. an output port; 209. a control member; 3. a filtering unit; 301. a transport tube; 302. a filter chamber; 303. an extrusion chamber; 3031. a screw; 304. a filter plate; 4. a pushing unit; 401. a dispersing head; 402. a unidirectional member; 403. a seal ring; 404. a pushing member; 405. pushing the plug; 406. and (5) feeding a pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1 to 6, a production apparatus for copolymerizing a carbon dioxide-based degradable plastic, comprising:
a frame body 1;
the reaction unit 2 is used for mixing plastic raw materials, and the reaction unit 2 is arranged at the top of the frame body 1;
a filtering unit 3, wherein the filtering unit 3 for filtering the mixed raw materials is received between the frame 1 and the reaction unit 2;
the pushing unit 4 is used for pushing and mixing the materials internally, and the pushing unit 4 is arranged at the bottom of the reaction unit 2;
the inside of reaction unit 2 is provided with reaction chamber 208, the bottom of reaction chamber 208 is provided with delivery outlet 2081, the bottom of delivery outlet 2081 switches on and is connected with filter chamber 302, the lateral part of filter chamber 302 is provided with extrusion chamber 303, the inside rotation of extrusion chamber 303 is provided with screw rod 3031, filter 304 has been seted up to the bottom of extrusion chamber 303.
Wherein, the reaction unit 2 further comprises a disc 202, the top of the reaction cavity 208 is movably provided with the disc 202, and the top of the disc 202 is provided with a discharging hopper 201;
a sleeve 203 is installed at the top of the disc 202 and at the side of the discharging hopper 201, a reduction driving unit 204 is rotatably connected in the sleeve 203, an output shaft of the reduction driving unit 204 rotatably extends into the reaction cavity 208 and is provided with a stirring blade 2041 at the bottom thereof, and the reduction driving unit 204 is composed of a Mintai-YE 3-100L 1-4-three-phase asynchronous motor and a tai-gear reduction box.
The side portion of the reduction driving unit 204 is provided with a side block 205, the side block 205 is movably disposed on the casing 206, and a movable groove 2061 for accommodating the side block 205 to move up and down is formed in the side portion of the casing 206.
Wherein, the inside of the cover shell 206 is provided with a guiding side block 205 slidingly guiding a column 2062, the bottom of the guiding column 2062 is provided with a frame body 1, the outside of the cover shell 206 is provided with a heat clamping layer 207, the bottom of the side block 205 is provided with a lifting piece 2051, the lifting piece 2051 is preferably an oil cylinder, so that the lifting piece 2051 lifts the side block 205 and the disc 202, and the stirring blade 2041 withdraws from the inside of the reaction cavity 208 for cleaning.
Wherein, the heating element 2071 is uniformly arranged in the heat-clamping layer 207 along the circumferential direction of the disc 202, the heating element 2071 is preferably a jia zhi JPZ-008 electrothermal tube, a control element 209 is arranged between the output port 2081 and the filter cavity 302, and the control element 209 is preferably a ZCG high temperature resistant electromagnetic valve.
The frame body 1 comprises a mounting plate 101, the mounting plate 101 is arranged on the side part of the frame body 1, the mounting plate 101 is fixedly mounted through a side frame 1011 and a driving piece 102, and the driving piece 102 is preferably a TCG-Taiwan three-phase asynchronous alternating current reduction motor.
The surface of the frame body 1 is provided with a through hole 103, the driving piece 102 is in transmission connection with the screw 3031 through a linkage unit 104, the linkage unit 104 is arranged in the through hole 103, and the linkage unit 104 is preferably composed of a synchronous gear and a belt.
As shown in fig. 4-5, the filtering unit 3 includes a transporting pipe 301, the bottom of the filtering unit 3 is provided with the transporting pipe 301, the side portion of the filtering cavity 302 is inclined downwards to form an extrusion cavity 303, the bottom of the filtering plate 304 is provided with the transporting pipe 301, and the inclined arrangement is convenient for the mixture in the filtering cavity 302 to flow into the extrusion cavity 303, and simultaneously, the mixture in the extrusion cavity 303 caused by extrusion is prevented from flowing back.
Wherein, the pushing unit 4 includes a dispersing head 401, the dispersing head 401 is disposed at the bottom of the reaction chamber 208 along the circumferential direction of the reaction chamber 208, the pushing unit 4 is mounted at the bottom of the reaction chamber 208, and the pushing unit 4 is preferably a hollow tube.
As shown in fig. 6, a pushing member 404 is disposed at the bottom of the pushing unit 4, an output shaft of the pushing member 404 is movably connected with a pushing plug 405 through a sealing ring 403, the pushing plug 405 is movably disposed at the bottom end inside the pushing unit 4, a feeding pipe 406 is disposed on a side portion of the pushing unit 4 in a conducting manner, a unidirectional member 402 is disposed inside the pushing unit 4, the unidirectional member 402 is preferably a unidirectional valve, the pushing member 404 is preferably a forest-STD-63 cylinder, and a valve is disposed outside the feeding pipe 406.
By placing the raw materials to be processed into the reaction cavity 208, the stirring blade 2041 is driven by the speed reduction driving unit 204 to rotate, the raw materials are mixed in the reaction cavity 208 under the assistance of heating of the heating element 2071 in the heat clamping layer 207, and the pushing element 404 pushes up, so that the pushing plug 405 pushes and disperses the solvent in the pushing unit 4 into the reaction cavity 208, thereby facilitating the formation of an inner coating, and further improving the effect of plastic coating production;
and when the reaction unit 2 is mixed for a specified time, the control piece 209 opens the sealing limit between the reaction cavity 208 and the filter cavity 302, so that the mixture falls into the filter cavity 302, flows into the extrusion cavity 303, and is extruded by the external blade of the screw 3031, so that part of the mixture of the large-particle nodules is extruded and becomes small, and meanwhile, the mixture is extruded to pass through the filter plate 304 under the action of the extrusion force, so that the filtering efficiency is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A production facility for copolymerizing and synthesizing carbon dioxide-based degradable plastics, comprising:
a frame body;
the reaction unit is used for mixing the plastic raw materials and is arranged at the top of the frame body;
the filtering unit is used for filtering the mixed raw materials and is connected between the frame body and the reaction unit;
the pushing unit is used for pushing and mixing the materials internally and is arranged at the bottom of the reaction unit;
the inside of reaction unit is provided with the reaction chamber, the bottom of reaction chamber is provided with the delivery outlet, the bottom of delivery outlet switches on and is connected with the filter chamber, the lateral part of filter chamber is provided with the extrusion chamber, the inside rotation of extrusion chamber is provided with the screw rod, the filter has been seted up to the bottom of extrusion chamber.
2. The apparatus for producing a carbon dioxide-based degradable plastic by copolymerization according to claim 1, wherein,
the reaction unit further comprises a disc, wherein the top of the reaction cavity is movably provided with the disc, and the top of the disc is provided with a discharging hopper;
the top of disc and the lateral part at the lower hopper install the sleeve, telescopic inside rotates and is connected with the speed reduction drive unit, the output shaft rotation of speed reduction drive unit extends to the inside of reaction chamber and installs the stirring leaf in its bottom.
3. The apparatus for producing a carbon dioxide-based degradable plastic by copolymerization according to claim 2, wherein,
the side part of the speed reduction driving unit is provided with a side block, the side block is movably arranged on the casing, and the side part of the casing is provided with a movable groove for accommodating the side block to move up and down.
4. A production apparatus for copolymerization of carbon dioxide-based degradable plastics as claimed in claim 3, wherein,
the inside of the cover shell is provided with a guiding column for guiding the side block to slide, a frame body is installed at the bottom of the guiding column, a heat clamping layer is arranged on the outer side of the cover shell, and a lifting piece is arranged at the bottom of the side block.
5. The apparatus for producing a carbon dioxide-based degradable plastic by copolymerization according to claim 4, wherein,
the inside of pressing from both sides hot layer evenly is provided with the heating element along the circumferencial direction of disc, be provided with the control between delivery outlet and the filter chamber.
6. A production apparatus for copolymerization into a carbon dioxide-based degradable plastic according to any one of claims 1 to 5, characterized in that,
the frame body comprises a mounting plate, the mounting plate is arranged on the side part of the frame body, and the mounting plate is fixedly mounted through the side frame and the driving piece.
7. The apparatus for producing a carbon dioxide-based degradable plastic by copolymerization according to claim 6, wherein,
the surface of the frame body is provided with a perforation, the driving piece is connected with the screw rod through a linkage unit in a transmission way, and the inside of the perforation is provided with the linkage unit.
8. The apparatus for producing a carbon dioxide-based degradable plastic by copolymerization according to claim 6, wherein,
the filter unit comprises a conveying pipe, the bottom of the filter unit is provided with the conveying pipe, the side part of the filter cavity is inclined downwards to form an extrusion cavity, and the bottom of the filter plate is provided with the conveying pipe.
9. The apparatus for producing a carbon dioxide-based degradable plastic by copolymerization according to claim 8, wherein,
the pushing unit comprises a dispersing head, the dispersing head is arranged at the bottom of the reaction cavity along the circumferential direction of the reaction cavity, and the pushing unit is arranged at the bottom of the reaction cavity.
10. The apparatus for producing a carbon dioxide-based degradable plastic by copolymerization according to claim 9, wherein,
the bottom of pushing unit is provided with the impeller, the output shaft of impeller passes through sealing washer and pushing plug swing joint, the pushing plug activity sets up in pushing the inside bottom of material unit, pushing the lateral part of material unit and switching on and be provided with the inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320072372.XU CN219359976U (en) | 2023-01-10 | 2023-01-10 | Production equipment for copolymerization synthesis of carbon dioxide-based degradable plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320072372.XU CN219359976U (en) | 2023-01-10 | 2023-01-10 | Production equipment for copolymerization synthesis of carbon dioxide-based degradable plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219359976U true CN219359976U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320072372.XU Active CN219359976U (en) | 2023-01-10 | 2023-01-10 | Production equipment for copolymerization synthesis of carbon dioxide-based degradable plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219359976U (en) |
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- 2023-01-10 CN CN202320072372.XU patent/CN219359976U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A production equipment for co polymerization synthesis of carbon dioxide based biodegradable plastics Effective date of registration: 20231123 Granted publication date: 20230718 Pledgee: Zhejiang Anji Rural Commercial Bank Co.,Ltd. Yucun Green Branch Pledgor: Zhejiang Forest Biotechnology Co.,Ltd. Registration number: Y2023330002765 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |