Acrylic emulsion synthesis experiment equipment

Abstract

The utility model belongs to the technical field of experimental equipment, and particularly relates to acrylic emulsion synthesis experimental equipment. The pre-emulsion container is arranged on the meter, a stirring head of the first stirrer extends into the pre-emulsion container, the electric diaphragm pump is connected with the pre-emulsion container and the emulsion synthesis container through a first pipeline and a second pipeline, and the peristaltic pump is connected with the redox agent container and the emulsion synthesis container through a third pipeline and a fourth pipeline; a stirring head of the second stirrer extends into an emulsion synthesis container, the emulsion synthesis container is arranged in a digital display water bath kettle, a condenser and a digital display thermometer for monitoring the temperature of emulsion in the container are further arranged on the emulsion synthesis container, and the second pipeline is connected with the emulsion synthesis container through the condenser; according to the utility model, the automation of an acrylic emulsion synthesis experiment can be realized, the frequency of manual operation is reduced, and the adding precision of a pre-emulsion and a redox agent can be controlled, so that the stability of the synthesized acrylic emulsion is good.

Description

Technical fields:

[0001] This utility model belongs to the field of experimental equipment technology, and specifically refers to an experimental device for the synthesis of acrylic emulsion. Background technology:

[0002] Acrylic emulsions, as an important chemical material, are widely used in coatings, adhesives, textiles, papermaking, and many other fields. Their unique chemical properties and excellent performance make them an indispensable part of modern industry. Acrylic emulsions are mainly produced by emulsion polymerization of acrylate monomers. The preparation process involves multiple steps, including monomer selection, emulsifier addition, and control of the polymerization reaction. Each step has a crucial impact on the performance of the final product.

[0003] Existing acrylic emulsion synthesis experiments are carried out manually, with the addition of pre-emulsions, oxidizing agents, etc., being done manually. This introduces errors in the addition process, ultimately resulting in poor stability of the synthesized acrylic emulsion. Summary of the Invention:

[0004] The purpose of this invention is to provide an experimental apparatus for synthesizing acrylic emulsions to improve the stability of synthesized acrylic emulsions.

[0005] This utility model is implemented as follows:

[0006] An experimental apparatus for the synthesis of acrylic emulsions includes a metering device, a first stirrer, a pre-emulsion container, an electric diaphragm pump, a peristaltic pump, a redox agent container, a second stirrer, an emulsion synthesis container, and a digital display water bath. The pre-emulsion container is mounted on the metering device. The stirring head of the first stirrer extends into the pre-emulsion container. The electric diaphragm pump is connected to the pre-emulsion container and the emulsion synthesis container via a first pipeline and a second pipeline. The peristaltic pump is connected to the redox agent container and the emulsion synthesis container via a third pipeline and a fourth pipeline. The stirring head of the second stirrer extends into the emulsion synthesis container. The emulsion synthesis container is placed in the digital display water bath. The emulsion synthesis container is also equipped with a condenser and a digital display thermometer for monitoring the temperature of the emulsion inside the container. The second pipeline is connected to the emulsion synthesis container via the condenser.

[0007] In the above-mentioned experimental equipment for the synthesis of acrylic emulsion, there are two oxidizing and reducing agent containers, and two corresponding third and fourth pipelines.

[0008] In the above-mentioned experimental equipment for the synthesis of acrylic emulsion, the emulsion synthesis container is an open reactor, including a reaction bottle and a reaction cap located at the open end of the reaction bottle. The reaction cap is provided with five feed ports. The reaction bottle and the reaction cap are fixedly connected by a clamp. The second stirrer, two fourth pipelines, a digital thermometer and a condenser are respectively sealed and connected to the five feed ports.

[0009] The aforementioned experimental apparatus for synthesizing acrylic emulsions also includes a first support, which comprises a base and a support rod, and the first stirrer is mounted on the support rod.

[0010] In the above-mentioned acrylic emulsion synthesis experimental device, the second stirrer is positioned above the emulsion synthesis container via a second support.

[0011] In the above-mentioned experimental apparatus for synthesizing acrylic emulsion, the emulsion synthesis container is set inside a digital display water bath via a second support.

[0012] In the above-mentioned experimental apparatus for the synthesis of acrylic emulsion, the digital display thermometer includes a thermometer and a thermometer controller, and the thermometer controller is equipped with a display screen that displays the temperature measured by the thermometer.

[0013] In the above-mentioned experimental apparatus for synthesizing acrylic emulsion, the oxidizing and reducing agent container is a graduated cylinder or a measuring cup.

[0014] In the above-mentioned experimental apparatus for the synthesis of acrylic emulsion, the peristaltic pump is mounted on a lifting support.

[0015] The outstanding advantages of this utility model compared to the prior art are:

[0016] This invention can automate the synthesis experiment of acrylic emulsion, reduce the frequency of manual operation, and control the precision of adding pre-emulsion and oxidizing / reducing agents, resulting in good stability of the synthesized acrylic emulsion. Attached image description:

[0017] Figure 1 This is a three-dimensional schematic diagram of the present invention.

[0018] In the diagram: 1. Meter; 2. First stirrer; 3. Pre-emulsion container; 4. Electric diaphragm pump; 5. Peristaltic pump; 6. Oxidizing / reducing agent container; 7. Second stirrer; 8. Digital display water bath; 9. Stirring head; 10. First pipeline; 11. Second pipeline; 12. Third pipeline; 13. Fourth pipeline; 14. Lifting support; 15. Condenser; 16. Open reactor; 17. Reaction flask; 18. Reaction cap; 19. Feed inlet; 20. Clamp; 21. First support; 22. Second support; 23. Thermometer; 24. Thermometer controller; 25. Stirrer controller. Detailed implementation method:

[0019] The present invention will be further described below with reference to specific embodiments. See also: Figure 1 :

[0020] This invention relates to an experimental apparatus for the synthesis of acrylic emulsions. The apparatus includes a measuring device 1, a first stirrer 2, a pre-emulsion container 3, an electric diaphragm pump 4, a peristaltic pump 5, a redox agent container 6, a second stirrer 7, an emulsion synthesis container, and a digital display water bath 8. The pre-emulsion container 3 is mounted on the measuring device 1. In this embodiment, the measuring device 1 is an electronic scale, used to measure the quantity of the pre-emulsion. The stirring head 9 of the first stirrer 2 extends into the pre-emulsion container 3. The electric diaphragm pump 4 is connected to the pre-emulsion container 3 and the emulsion synthesis container via a first pipe 10 and a second pipe 11. The peristaltic pump 5 is connected to the redox agent container 6 and the emulsion synthesis container via a third pipe 12 and a fourth pipe 13. The peristaltic pump 5 is mounted on a lifting support 14, and its height is adjusted using the lifting support 14. The stirring head of the second stirrer 7 extends into the emulsion synthesis container, which is placed in a digital display water bath 8. The emulsion synthesis container is also equipped with a condenser 15 and a digital display thermometer for monitoring the temperature of the emulsion inside the container.

[0021] This invention automates the synthesis experiment. Compared to existing experiments that are entirely manually operated, it allows for precise control of the addition of pre-emulsions and oxidizing / reducing agents, resulting in a more stable synthesized acrylic emulsion. The operation process is as follows:

[0022] Add the required pre-emulsion to the pre-emulsion container 3 and measure it using meter 1;

[0023] Add an appropriate amount of oxidizing or reducing agent into container 6;

[0024] Set the temperature required for the experiment in the digital display water bath 8;

[0025] The stirring head of the first stirrer 2 is inserted into the pre-emulsion for stirring, and at the same time, one end of the first pipe 10 is inserted into the pre-emulsion.

[0026] Set the parameters of the electric diaphragm pump 4, and deliver the pre-emulsion to the emulsion synthesis container through the electric diaphragm pump 4 and the second pipeline 11;

[0027] Set the parameters of the peristaltic pump 5, and deliver the oxidizing and reducing agent to the emulsion synthesis container through the peristaltic pump 5, the third pipeline 12 and the fourth pipeline 13;

[0028] During the experiment, the stirring head of the second stirrer 7 stirred the emulsion in the emulsion synthesis container;

[0029] A digital thermometer measures and displays the temperature of the emulsion in the emulsion synthesis container in real time.

[0030] Furthermore, the emulsion synthesis container is an open reactor 16, including a reaction bottle 17 and a reaction cap 18 located at the open end of the reaction bottle 17. The reaction cap 18 is provided with five feed ports 19. The reaction bottle 17 and the reaction cap 18 are fixedly connected by a clamp 20, which is generally a clamp.

[0031] Similarly, the pre-emulsion container includes a container body and an upper cover located on the container body. A discharge port is provided on the upper cover. The first pipeline 10 is sealed to the discharge port through a sealing plug, and one end of the first pipeline 10 extends into the liquid.

[0032] It should be noted that the redox agent container 6 of this utility model is provided in two parts, and two corresponding third pipes 12 and fourth pipes 13 are provided. The second pipe 11 is connected to the corresponding feed port 19 through the condenser 14. Therefore, the stirring rod of the second stirrer 7, the two fourth pipes 13, the digital display thermometer and the condenser 14 are respectively sealed and connected to the five feed ports 19.

[0033] Specifically, the redox agent container 6 is a graduated cylinder or a measuring cup. Generally, a graduated cylinder is used.

[0034] In this invention, the first stirrer 2 is mounted above the pre-emulsion container 3 via a first bracket 21. The first bracket 21 includes a base and a support rod. The metering device 1 is placed on the base, and the first stirrer 2 is mounted on the support rod. The vertical position of the first stirrer 2 on the support rod is adjustable, typically by adjusting and fixing it using an adjusting screw.

[0035] Similarly, the second stirrer 7 is mounted above the emulsion synthesis container via the second support 22. The emulsion synthesis container is also mounted inside the digital display water bath 8 via the second support 22. The vertical height of the second stirrer 7 and the emulsion synthesis container on the second support 22 is adjustable for easy assembly.

[0036] The digital display thermometer of this invention includes a thermometer 23 and a thermometer controller 24, wherein the thermometer 23 is inserted into the liquid. The thermometer controller 24 is equipped with a display screen that shows the temperature measured by the thermometer 23, facilitating real-time observation of the temperature of the emulsion in the emulsion synthesis container by the experimental personnel.

[0037] In addition, a stirrer controller 25 is connected to the first stirrer 2 of this invention. The stirrer controller 25 controls the operation of the first stirrer 2, including stirring time and stirring speed. In order to make the structure more compact, the stirrer controller 25 and the thermometer controller 24 are stacked, and the electric diaphragm pump 4 is placed on the thermometer controller 24.

[0038] The above embodiments are only one of the preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes made in accordance with the shape, structure and principle of this utility model should be covered within the protection scope of this utility model.

Claims

1. An experimental apparatus for the synthesis of acrylic emulsion, characterized in that: The system includes a metering device (1), a first stirrer (2), a pre-emulsion container (3), an electric diaphragm pump (4), a peristaltic pump (5), a redox agent container (6), a second stirrer (7), an emulsion synthesis container, and a digital display water bath (8). The pre-emulsion container (3) is mounted on the metering device (1), and the stirring head (9) of the first stirrer (2) extends into the pre-emulsion container (3). The electric diaphragm pump (4) is connected to the pre-emulsion container (3) via a first pipeline (10) and a second pipeline (11). 3) and emulsion synthesis container, the peristaltic pump (5) is connected to the oxidizing agent container (6) and the emulsion synthesis container through the third pipeline (12) and the fourth pipeline (13), the stirring head of the second stirrer (7) extends into the emulsion synthesis container, the emulsion synthesis container is placed in the digital display water bath (8), the emulsion synthesis container is also equipped with a condenser (15) and a digital display thermometer for monitoring the temperature of the emulsion in the container, the second pipeline (11) is connected to the emulsion synthesis container through the condenser (15).

2. The experimental apparatus for synthesizing acrylic emulsion according to claim 1, characterized in that: There are two redox agent containers (6), and two corresponding third pipes (12) and fourth pipes (13).

3. The experimental apparatus for synthesizing acrylic emulsion according to claim 2, characterized in that: The emulsion synthesis container is an open reactor (16), including a reaction bottle (17) and a reaction cap (18) located at the open end of the reaction bottle (17). The reaction cap (18) is provided with five feed ports (19). The reaction bottle (17) and the reaction cap (18) are fixedly connected by a clamp (20). The second stirrer (7), two fourth pipelines (13), a digital thermometer and a condenser (15) are respectively sealed and connected to the five feed ports (19).

4. An experimental apparatus for the synthesis of acrylic emulsions according to any one of claims 1-3, characterized in that: It also includes a first support (21), which includes a base and a support rod, and the first stirrer (2) is mounted on the support rod.

5. An experimental apparatus for the synthesis of acrylic emulsions according to any one of claims 1-3, characterized in that: The second stirrer (7) is positioned above the emulsion synthesis container via the second support (22).

6. The experimental apparatus for the synthesis of acrylic emulsions according to claim 5, characterized in that: The emulsion synthesis container is set inside the digital display water bath (8) via a second support (22).

7. An experimental apparatus for the synthesis of acrylic emulsions according to any one of claims 1-3, characterized in that: The digital display thermometer includes a thermometer (23) and a thermometer controller (24), and the thermometer controller (24) is provided with a display screen to display the temperature measured by the thermometer (23).

8. An experimental apparatus for the synthesis of acrylic emulsions according to any one of claims 1-3, characterized in that: The oxidizing / reducing agent container (6) is a graduated cylinder or a measuring cup.

9. An experimental apparatus for the synthesis of acrylic emulsions according to any one of claims 1-3, characterized in that: The peristaltic pump (5) is mounted on the lifting bracket (14).

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