Multifunctional microreactor for organic synthesis of photoinitiator
By combining the rotating motor and the heating and cooling system in the multifunctional microreactor, the problem of imprecise control of light intensity and temperature in traditional photochemical reactions is solved, and efficient production of photoinitiator synthesis is achieved.
Patent Information
- Application Number
- CN202510997627.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-19
- Publication Date
- 2025-10-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In traditional photochemical reactions, the light intensity is difficult to adjust and the thermal effect is not precisely controlled during the synthesis process, which affects the yield and selectivity.
A multifunctional microreactor was designed, which includes a rotating motor, a bidirectional threaded rod, an ultraviolet lamp, a heating box, a condensation box and a temperature sensor. By adjusting the distance between the ultraviolet lamp and the microchannel plate and combining the heating and cooling systems, precise control of light intensity and temperature can be achieved.
Precise regulation of light intensity and temperature is achieved, thereby improving the yield and selectivity of photoinitiator synthesis.
Smart Images
Figure CN120754793A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of multifunctional microreactors, in particular to a multifunctional microreactor for organic synthesis of photoinitiators. Background Art
[0002] Photopolymerization refers to the rapid polymerization of monomers or prepolymers to form macromolecules under the influence of light (ultraviolet, visible light, etc.). It is now widely used in UV coatings, inks, adhesives, photosensitive printing plates, photoresists, and rapid photoprototyping materials. Photoinitiators are key components of photopolymerization systems. They are compounds that absorb light energy of a certain wavelength, transition to an excited state, and generate free radical-active intermediates, thereby initiating further monomer polymerization.
[0003] Traditional photochemical reactions often face problems such as difficulty in adjusting light intensity and imprecise control of thermal effects during the synthesis process, which affects the yield and selectivity.
[0004] Therefore, in order to solve the above problems, a multifunctional microreactor for organic synthesis using photoinitiators is proposed. Summary of the Invention
[0005] The object of the present invention is to provide a multifunctional microreactor for organic synthesis of photoinitiators, comprising a reaction box, wherein grooves 1 are respectively provided on both sides of the bottom end of the reaction box, a bidirectional threaded rod is provided inside the groove 1, one end of the bidirectional threaded rod is connected to a rotating motor, threaded sleeves are respectively provided at both ends of the bidirectional threaded rod, an ultraviolet lamp is provided above the threaded sleeve, a sliding sleeve is provided above the ultraviolet lamp, the sliding sleeve is slidably provided on the sliding rod, the sliding rod is provided in groove 2 provided at the top end of the reaction box, a mounting seat is provided at the center position of the bottom end of the reaction box, and unidirectional threaded rods are respectively provided on both sides of the mounting seat. A rotating handle is provided on the outside of the one-way threaded rod, a clamping plate is provided on the inside of the one-way threaded rod, a microchannel plate is provided between the clamping plates, a temperature sensor is provided on the upper left side of the interior of the reaction box, a temperature control box is provided on the upper left side of the reaction box, the interior of the temperature control box is divided into two upper and lower chambers by a partition, a heating box and a condensing box are provided in the two chambers respectively, a connecting pipe one and a connecting pipe two are provided on one side of the heating box and the condensing box respectively, the connecting pipe one and the connecting pipe two are connected to the connecting pipe three through an electric three-way regulating valve, the other end of the connecting pipe three is connected to the vacuum pump, and the other end of the vacuum pump is connected to the reaction box through a connecting pipe four.
[0006] Preferably, a box door is provided on the external front surface of the reaction box, and the upper and lower ends of one side of the box door are rotatably connected to one side of the reaction box through connecting hinges respectively, and a box door handle is provided on the right side of the external front surface of the box door.
[0007] Preferably, the outside front surface of the temperature control box is provided with a mounting plate, and the mounting plate is fixed on the temperature control box through mounting nails at four corners respectively.
[0008] Preferably, the upper and lower ends of the inside of the heating box are respectively provided with electric heating plates.
[0009] Preferably, the inside of the condensing box is provided with a spiral bend pipe.
[0010] Preferably, the lower left side of the outside of the reaction box is provided with an exhaust pipe, and the exhaust pipe is provided with a one-way valve.
[0011] Preferably, the right side of the outside front surface of the reaction box is provided with a control panel, and the control panel is electrically connected with the rotating motor, the ultraviolet lamp, the electric heating plate, the electric three-way valve and the air pump respectively.
[0012] Compared with the prior art, the present application has the following advantages: The present application sets the rotating motor, the bidirectional threaded rod, the threaded sleeve block, the ultraviolet lamp, the sliding sleeve block and the sliding rod, the rotating motor drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the threaded sleeve block to move, and the threaded sleeve block drives the ultraviolet lamp to move, so as to conveniently adjust the distance between the ultraviolet lamp and the microchannel plate, and conveniently adjust the light intensity.
[0013] The present application sets the heating box, the condensing box and the electric three-way valve, controls the electric three-way valve to connect the connecting pipeline one and the connecting pipeline three, sends the hot gas heated by the heating box into the reaction box through the air pump to increase the temperature in the reaction box, controls the electric three-way valve to connect the connecting pipeline two and the connecting pipeline three, and sends the cold gas cooled by the condensing box into the reaction box through the air pump to reduce the temperature in the reaction box, so as to conveniently control the temperature of the reaction box intelligently in cooperation with the temperature sensor arranged in the reaction box.
[0014] The present application sets the rotating handle, the one-way threaded rod and the clamping plate, the rotating handle drives the one-way threaded rod to rotate, and the one-way threaded rod drives the clamping plate to clamp the microchannel plate, so as to conveniently fix the microchannel plate. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is the external structure schematic diagram of the present application; Figure 2 is the internal structure schematic diagram of the present application.
[0016] The reference signs and names in the drawings are as follows: 1. Reaction box; 101. Groove 1; 102. Groove 2; 2. Connecting hinge; 3. Box door; 4. Box door handle; 5. Control panel; 6. Bidirectional threaded rod; 7. Rotating motor; 8. Threaded sleeve; 9. Ultraviolet lamp; 10. Sliding sleeve; 11. Sliding rod; 12. Mounting seat; 13. One-way threaded rod; 14. Rotating handle; 15. Clamping plate; 16. Microchannel plate; 17. Temperature control box; 18. Mounting plate; 19. Mounting nail; 20. Partition; 21. Heating box; 22. Electric heating plate; 23. Condensation box; 24. Spiral elbow; 25. Connecting pipe 1; 26. Connecting pipe 2; 27. Electric three-way regulating valve; 28. Connecting pipe 3; 29. Vacuum pump; 30. Connecting pipe 4; 31. Exhaust pipe; 3101. One-way valve; 32. Temperature sensor. DETAILED DESCRIPTION
[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0018] As attached Figure 1 、 2As shown, a multifunctional microreactor for organic synthesis of photoinitiators provided by the present invention comprises a reaction box 1, wherein grooves 101 are respectively provided on both sides of the bottom end of the reaction box 1, a bidirectional threaded rod 6 is provided inside the groove 101, one end of the bidirectional threaded rod 6 is connected to a rotating motor 7, and threaded sleeves 8 are respectively provided at both ends of the bidirectional threaded rod 6, an ultraviolet lamp 9 is provided above the threaded sleeve 8, a sliding sleeve 10 is provided above the ultraviolet lamp 9, the sliding sleeve 10 is slidably provided on a sliding rod 11, and when the ultraviolet lamp moves, the sliding sleeve 10 above moves on the sliding rod 11, thereby improving the stability of the movement of the ultraviolet lamp, and the sliding rod 11 is provided in a groove 2 102 provided at the top end of the reaction box 1, and a mounting seat 12 is provided at the center position of the bottom end of the reaction box 1, and both sides of the mounting seat 12 are respectively penetrated A one-way threaded rod 13 is provided, a rotating handle 14 is provided on the outside of the one-way threaded rod 13, a clamping plate 15 is provided on the inside of the one-way threaded rod 13, and a microchannel plate 16 is provided between the clamping plates 15. A temperature sensor 32 is provided on the upper left side of the interior of the reaction box 1, and a temperature control box 17 is provided on the upper left side of the reaction box 1. The interior of the temperature control box 17 is divided into two upper and lower chambers by a partition 20, and a heating box 21 and a condensing box 23 are provided in the two chambers respectively. A connecting pipe 1 25 and a connecting pipe 2 26 are provided on one side of the heating box 21 and the condensing box 23 respectively. The connecting pipe 1 25 and the connecting pipe 2 26 are connected to the connecting pipe 3 28 through an electric three-way regulating valve 27. The other end of the connecting pipe 3 28 is connected to the vacuum pump 29, and the other end of the vacuum pump 29 is connected to the reaction box 1 through the connecting pipe 4 30.
[0019] Specifically, a box door 3 is provided on the external front surface of the reaction box 1. The upper and lower ends of one side of the box door 3 are rotatably connected to one side of the reaction box 1 through connecting hinges 2 respectively. A box door handle 4 is provided on the right side of the external front surface of the box door 3.
[0020] Specifically, a mounting plate 18 is provided on the outer front surface of the temperature control box 17 , and four corners of the mounting plate 18 are fixed to the temperature control box 17 by mounting nails 19 .
[0021] Specifically, electric heating plates 22 are respectively provided at the upper and lower ends of the heating box 21 .
[0022] Specifically, a spiral bend pipe 24 is provided inside the condensation box 23 .
[0023] Specifically, an exhaust pipe 31 is provided on the left side of the lower exterior of the reaction box 1 , and a one-way valve 3101 is provided on the exhaust pipe 31 .
[0024] Specifically, a control panel 5 is provided on the right side of the external front surface of the reaction box 1 , and the control panel 5 is electrically connected to the rotating motor 7 , the ultraviolet lamp 9 , the electric heating plate 22 , the electric three-way regulating valve 27 , and the air pump 29 .
[0025] Working principle: When in use, the microchannel plate is placed on the mounting seat 12, and the rotating handle 14 is rotated. The rotating handle 14 drives the one-way threaded rod 13 to rotate, and the one-way threaded rod 13 drives the clamping plate 15 to clamp the microchannel plate 16 to fix the microchannel plate. Then, the motor 7 is rotated to drive the bidirectional threaded rod 6 to rotate. The rotation of the bidirectional threaded rod 6 drives the threaded sleeve 8 to move. The movement of the threaded sleeve 8 drives the ultraviolet lamp 9 to move, thereby facilitating the adjustment of the distance between the ultraviolet lamp 9 and the microchannel plate 16, adjusting the lamp intensity, feeding the reaction raw materials into the microchannel plate 16, and monitoring the temperature in the reaction box 1 in real time through the temperature sensor 32; When the temperature inside the box is lower than the reaction temperature, the electric three-way regulating valve 27 is controlled to connect the connecting pipe 1 25 and the connecting pipe 3 28. After the external air is heated by the electric heating plate 22 inside the heating box 21, the hot air heated by the heating box 21 is sent into the reaction box 1 through the exhaust pump 29 to increase the temperature inside the reaction box 1; When the temperature inside the box is higher than the reaction temperature, the electric three-way regulating valve 27 is controlled to connect the connecting pipe 25 and the connecting pipe 3 28. Condensate is provided in the condensation box 23, and external air is sent in through the threaded elbow 24. The threaded elbow 24 increases the contact time between the external air and the condensate. The cold air cooled by the condensation box 23 is sent into the reaction box 1 through the exhaust pump 29 to reduce the temperature inside the reaction box 1.
[0026] Utilizing the technical solution described in the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above technical effects, all fall within the scope of protection of the present invention.
Claims
1. A multifunctional microreactor for organic synthesis using a photoinitiator, comprising a reaction box (1), characterized in that: Grooves (101) are respectively provided on both sides of the bottom of the reaction box (1), and a bidirectional threaded rod (6) is provided inside the groove (101). One end of the bidirectional threaded rod (6) is connected to the rotating motor (7), and threaded sleeves (8) are respectively provided at both ends of the bidirectional threaded rod (6). An ultraviolet lamp (9) is provided above the threaded sleeve (8), and a sliding sleeve (10) is provided above the ultraviolet lamp (9). The sliding sleeve (10) is slidably provided on the sliding rod (11), and the sliding rod (11) is provided in the groove (102) provided at the top of the reaction box (1). A mounting seat (12) is provided at the center of the bottom of the reaction box (1), and unidirectional threaded rods (13) are respectively provided on both sides of the mounting seat (12). A rotating handle (14) is provided on the outside of the unidirectional threaded rod (13). (13) is provided with a clamping plate (15) on the inner side, and a microchannel plate (16) is provided between the clamping plates (15). A temperature sensor (32) is provided on the upper left side of the reaction box (1), and a temperature control box (17) is provided on the upper left side of the reaction box (1). The interior of the temperature control box (17) is divided into two upper and lower chambers by a partition (20), and a heating box (21) and a condensing box (23) are provided in the two chambers respectively. A connecting pipe 1 (25) and a connecting pipe 2 (26) are provided on one side of the heating box (21) and the condensing box (23), respectively. The connecting pipe 1 (25) and the connecting pipe 2 (26) are connected to the connecting pipe 3 (28) through an electric three-way regulating valve (27), and the other end of the connecting pipe 3 (28) is connected to the vacuum pump (29), and the other end of the vacuum pump (29) is connected to the reaction box (1) through the connecting pipe 4 (30).
2. The multifunctional microreactor for organic synthesis of photoinitiators according to claim 1, characterized in that: The outer front surface of the reaction box (1) is provided with a box door (3), and the upper and lower ends of one side of the box door (3) are rotatably connected to one side of the reaction box (1) through connecting hinges (2), and a box door handle (4) is provided on the right side of the outer front surface of the box door (3).
3. The multifunctional microreactor for organic synthesis of photoinitiators according to claim 1, characterized in that: A mounting plate (18) is provided on the external front surface of the temperature control box (17), and the four corners of the mounting plate (18) are fixed to the temperature control box (17) via mounting nails (19).
4. The multifunctional microreactor for organic synthesis of photoinitiators according to claim 1, characterized in that: Electric heating plates (22) are respectively provided at the upper and lower ends of the interior of the heating box (21).
5. The multifunctional microreactor for organic synthesis of photoinitiators according to claim 1, characterized in that: A spiral bend pipe (24) is provided inside the condensation box (23).
6. The multifunctional microreactor for organic synthesis of photoinitiators according to claim 1, characterized in that: An exhaust pipe (31) is provided on the left side of the lower exterior of the reaction box (1), and a one-way valve (3101) is provided on the exhaust pipe (31).
7. The multifunctional microreactor for organic synthesis of photoinitiators according to claim 4, characterized in that: A control panel (5) is provided on the right side of the external front surface of the reaction box (1), and the control panel (5) is electrically connected to the rotating motor (7), the ultraviolet lamp (9), the electric heating plate (22), the electric three-way regulating valve (27), and the air pump (29).