CN203437130U - Experimental device for preparing PMMA (polymethyl methacrylate) - Google Patents
Experimental device for preparing PMMA (polymethyl methacrylate) Download PDFInfo
- Publication number
- CN203437130U CN203437130U CN201320547803.XU CN201320547803U CN203437130U CN 203437130 U CN203437130 U CN 203437130U CN 201320547803 U CN201320547803 U CN 201320547803U CN 203437130 U CN203437130 U CN 203437130U
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- Prior art keywords
- stirrer
- agitator
- water
- thermocouple
- polymethyl methacrylate
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Abstract
The utility model relates to an experimental device for preparing PMMA (polymethyl methacrylate). A flask with three openings is put in a constant-temperature glass water-bath tank; the opening on the left side is connected with a gas-guide tube, the opening in the middle is connected with a stirrer, and the opening on the right side is connected with a condensation tube; the condensation tube is connected with liquid seal; a thermocouple and a water-bath stirrer are arranged in the constant-temperature glass water-bath tank; the thermocouple is connected with a temperature control meter; the gas-guide pipe is externally connected with a nitrogen output device; the stirrer is externally connected with a control display device. According to the experimental device, the stirrer is a double-layered stirrer, and the length of the upper layer of stirrer is 2/3 of that of the lower layer of stirrer, so that the shear force of the reaction system can be increased and impurities can be avoided; the control display device is attached to the stirrer, so that the stirring speed can be accurately controlled and displayed; oxygen in the system can be effectively removed by feeding nitrogen; the liquid seal can ensure that outside air cannot enter the reaction system so as to guarantee the experimental stability; the multi-layered water-bath stirrer ensures the water temperature distribution of the reaction system is uniform, and ensures the reaction stability.
Description
Technical field:
The utility model relates to medical auxiliary equipment field, relates in particular a kind of experimental facilities of preparing polymethyl methacrylate.
Background technology:
PMMA is current the best macromolecule transparent material, and light transmittance reaches 92%, higher than the light transmittance of glass, and mechanical strength is high, lightweight, UV resistant and outdoor aging, the good features such as electrical property.It applies to slow-speed videotape that glasses, magnifying glass, various lens and laser scanning control etc.; Indoor and outdoor lighting and non-illumination sign show, overhead illumination equipment; In the various fields such as flawless finish product, furniture, separator material; Also can be used as medicine equipment, as artificial limb, artificial tooth, the base stock of Medical light-guiding.
Utility model content:
The purpose of this utility model is for the deficiencies in the prior art part, and a kind of experimental facilities of preparing polymethyl methacrylate is provided, and it is simple in structure, easy to use, reasonable.
Technology solution of the present utility model is as follows:
A kind of experimental facilities of preparing polymethyl methacrylate, it comprises glass thermostatted water bathtub, there-necked flask, thermocouple, temperature controller, wireway, agitator, condenser pipe, stirring in water bath device and fluid-tight, described there-necked flask is put into glass thermostatted water bathtub, left side bottleneck connects wireway, middle bottleneck connects agitator, and right side bottleneck connects condenser pipe; Described condenser pipe and fluid-tight link together; In described glass thermostatted water bathtub, be provided with thermocouple and stirring in water bath device; Described thermocouple and temperature controller link together; Described stirring in water bath device is multilayer agitator; Agitator is double-layered stirrer, and the length of upper strata agitator is 2/3 of lower floor's agitator length.
As preferably, wireway connects nitrogen output equipment outward.
As preferably, described agitator connects control display device outward.
The beneficial effects of the utility model are:
Agitator in the utility model is double-layered stirrer, and the length of upper strata agitator is 2/3 of lower floor's agitator length, can increase the shearing force of reaction system, can under lower speed conditions, obtain the granular product that particle diameter is less, the slow-speed of revolution is conducive to stable the carrying out of reaction, and the generation of avoiding impurity.
The subsidiary display device of controlling of agitator of the present utility model, can accurately control and show the rotating speed of stirring, and can increase automatically and increase and stir power according to reaction system viscosity in course of reaction, keeps constant rotating speed, guarantees the repeatability of experiment.
The utility model passes into the oxygen in effectively removal system of nitrogen protection, and fluid-tight can guarantee that outside air can not sneak into reaction system, guarantees the stability of experiment.
Stirring in water bath device in the utility model is multilayer agitator, can avoid crossing high heat transfer because of constant water bath box water level and cause not in time the inconsistent problem of upper and lower water layer temperature, makes the distribution of water temperature of whole reaction system more even, guarantees the stability of reaction.
Accompanying drawing explanation:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is structural representation of the present utility model;
In Fig. 1: 1-glass thermostatted water bathtub; 2-there-necked flask; 3-thermocouple; 4-temperature controller; 5-wireway; 6-agitator; 7-condenser pipe; 8-stirring in water bath device; 9-fluid-tight.
The specific embodiment:
Embodiment, see accompanying drawing 1, a kind of experimental facilities of preparing polymethyl methacrylate, it comprises glass thermostatted water bathtub 1, there-necked flask 2, thermocouple 3, temperature controller 4, wireway 5, agitator 6, condenser pipe 7, stirring in water bath device 8 and fluid-tight 9, described there-necked flask is put into glass thermostatted water bathtub, left side bottleneck connects wireway, and middle bottleneck connects agitator, and right side bottleneck connects condenser pipe; Described condenser pipe and fluid-tight link together; In described glass thermostatted water bathtub, be provided with thermocouple and stirring in water bath device, thermocouple is for detection of water temperature, and stirring in water bath device can make the distribution of water temperature in glass thermostatted water bathtub more even; Described thermocouple and temperature controller link together.
Described wireway connects nitrogen output equipment outward, passes into the oxygen in effectively removal system of nitrogen protection, and fluid-tight can guarantee that outside air can not sneak into reaction system, guarantees the stability of experiment.
Described stirring in water bath device is multilayer agitator, can avoid crossing high heat transfer because of constant water bath box water level and cause not in time the inconsistent problem of upper and lower water layer temperature, makes the distribution of water temperature of whole reaction system more even, guarantees the stability of reaction.
Described agitator is double-layered stirrer, and the length of upper strata agitator is 2/3 of lower floor's agitator length, can increase the shearing force of reaction system, can under lower speed conditions, obtain the granular product that particle diameter is less, the slow-speed of revolution is conducive to stable the carrying out of reaction, and the generation of avoiding impurity.
Described agitator connects control display device outward, can accurately control and show the rotating speed of stirring, and can increase automatically and increase and stir power according to reaction system viscosity in course of reaction, keeps constant rotating speed, guarantees the repeatability of experiment.
Above-described embodiment is the specific descriptions that the utility model is carried out; just the utility model is further described; can not be interpreted as the restriction to the utility model protection domain, within those skilled in the art makes some nonessential improvement according to the content of above-mentioned utility model and adjusts and all to fall into protection domain of the present utility model.
Claims (3)
1. an experimental facilities of preparing polymethyl methacrylate, it is characterized in that: it comprises glass thermostatted water bathtub, there-necked flask, thermocouple, temperature controller, wireway, agitator, condenser pipe, stirring in water bath device and fluid-tight, described there-necked flask is put into glass thermostatted water bathtub, left side bottleneck connects wireway, middle bottleneck connects agitator, and right side bottleneck connects condenser pipe; Described condenser pipe and fluid-tight link together; In described glass thermostatted water bathtub, be provided with thermocouple and stirring in water bath device; Described thermocouple and temperature controller link together; Described stirring in water bath device is multilayer agitator; Described agitator is double-layered stirrer, and the length of upper strata agitator is 2/3 of lower floor's agitator length.
2. a kind of experimental facilities of preparing polymethyl methacrylate according to claim 1, is characterized in that: described wireway connects nitrogen output equipment outward.
3. a kind of experimental facilities of preparing polymethyl methacrylate according to claim 1, is characterized in that: described agitator connects control display device outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547803.XU CN203437130U (en) | 2013-09-05 | 2013-09-05 | Experimental device for preparing PMMA (polymethyl methacrylate) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547803.XU CN203437130U (en) | 2013-09-05 | 2013-09-05 | Experimental device for preparing PMMA (polymethyl methacrylate) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203437130U true CN203437130U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320547803.XU Expired - Lifetime CN203437130U (en) | 2013-09-05 | 2013-09-05 | Experimental device for preparing PMMA (polymethyl methacrylate) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203437130U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492515A (en) * | 2014-12-31 | 2015-04-08 | 河南省科学院同位素研究所有限责任公司 | Fixing device capable of putting reactor into water bath pot conveniently |
| CN105294892A (en) * | 2015-10-19 | 2016-02-03 | 陕西理工学院 | Spraying polymerization device and method for cast PMMA plate production |
| CN105542043A (en) * | 2016-01-14 | 2016-05-04 | 中山大学 | Organic glass seamless polymerization device and method |
| CN109939631A (en) * | 2019-04-25 | 2019-06-28 | 南开大学 | A kind of experimental provision for microwave reaction |
| CN111558356A (en) * | 2020-06-08 | 2020-08-21 | 闽江学院 | Oxygen avoiding device for free radical polymerization reaction |
-
2013
- 2013-09-05 CN CN201320547803.XU patent/CN203437130U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492515A (en) * | 2014-12-31 | 2015-04-08 | 河南省科学院同位素研究所有限责任公司 | Fixing device capable of putting reactor into water bath pot conveniently |
| CN104492515B (en) * | 2014-12-31 | 2016-02-24 | 河南省科学院同位素研究所有限责任公司 | A kind ofly be convenient to the mid-fixture of putting reactor of water-bath |
| CN105294892A (en) * | 2015-10-19 | 2016-02-03 | 陕西理工学院 | Spraying polymerization device and method for cast PMMA plate production |
| CN105542043A (en) * | 2016-01-14 | 2016-05-04 | 中山大学 | Organic glass seamless polymerization device and method |
| CN105542043B (en) * | 2016-01-14 | 2017-02-22 | 中山大学 | Organic glass seamless polymerization device and method |
| CN109939631A (en) * | 2019-04-25 | 2019-06-28 | 南开大学 | A kind of experimental provision for microwave reaction |
| CN111558356A (en) * | 2020-06-08 | 2020-08-21 | 闽江学院 | Oxygen avoiding device for free radical polymerization reaction |
| CN111558356B (en) * | 2020-06-08 | 2022-03-08 | 闽江学院 | Oxygen avoiding device for free radical polymerization reaction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 430065, Tsing Ling Town Industrial Zone, Hongshan District, Hubei, Wuhan Province, No. 18 Patentee after: Wuhan Mindray Technology Co.,Ltd. Address before: 430070 Hubei Province, Wuhan city Hongshan District Road No. 28 North Industrial Park Bookstore Patentee before: WUHAN DRAGONBIO ORTHOPEDIC PRODUCTS Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
|
| CX01 | Expiry of patent term |