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Synthesis method of high-polymer microsphere

A technology of polymer microspheres and synthesis methods, applied in the field of synthesizing polymer microspheres by solvothermal method, can solve the problems of cumbersome operation process and insufficiently simple device, and achieve high reaction efficiency, simple device and strong operability Effect

Inactive Publication Date: 2008-08-20
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device of some preparation methods is not simple enough, and the operation process is relatively cumbersome

Method used

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  • Synthesis method of high-polymer microsphere
  • Synthesis method of high-polymer microsphere
  • Synthesis method of high-polymer microsphere

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) In a 25ml round bottom flask, add 9mg of sodium metal into 5ml of absolute ethanol and react for 15min. (2) Add 30 mg of (2,5-dimercapto-1,3,4-thiadiazole) into the round bottom flask in step (1), and stir magnetically at room temperature for 2.5 hours. (3) 21 mg of perchlorinated acenaphthylene was dissolved in 10 ml of toluene. (4) Mix the solutions obtained in steps (2) and (3) into a polytetrafluoroethylene liner with a volume of 18 ml. (5) Put the polytetrafluoroethylene lining in the reaction kettle, and keep the temperature at 180° C. for 72 hours. (6) After being cooled to room temperature, the polytetrafluoroethylene liner is taken out and the solution is poured out, centrifuged with a 5ml centrifuge tube, and the solid product obtained is washed successively with toluene, ethanol, and water 5 times, and the product is finally dispersed in the middle of ethanol. The particle diameter of gained macromolecular microsphere is about 1 μm, can find out that ga...

Embodiment 2

[0022] (1) In a 25ml round bottom flask, add 9mg of sodium metal into 5ml of absolute ethanol and react for 15min. (2) Add 17 μl (ethanedithiol) into the round bottom flask in step (1), and stir magnetically at room temperature for 2.5 h. (3) 21 mg of perchlorinated acenaphthylene was dissolved in 10 ml of toluene. (4) Mix the solutions obtained in steps (2) and (3) into a polytetrafluoroethylene liner with a volume of 18 ml. (5) Put the polytetrafluoroethylene lining in the reaction kettle, and keep the temperature at 180°C for 72h. (6) After being cooled to room temperature, the polytetrafluoroethylene liner is taken out and the solution is poured out, centrifuged with a 5ml centrifuge tube, and the solid product obtained is washed successively with toluene, ethanol, and water 5 times, and the product is finally dispersed in the middle of ethanol. The particle size of gained macromolecule microsphere has certain distribution, approximately between several hundred nanometer...

Embodiment 3

[0024] (1) In a 25ml round bottom flask, add 9mg of sodium metal into 5ml of absolute ethanol and react for 15min. (2) Add 30 mg of (2,5-dimercapto-1,3,4-thiadiazole) into the round bottom flask in step (1), and stir magnetically at room temperature for 2.5 hours. (3) Dissolve 21mg of perchloropyrene in 10ml of toluene. (4) Mix the solutions obtained in steps (2) and (3) into a polytetrafluoroethylene liner with a volume of 18 ml. (5) Put the polytetrafluoroethylene lining in the reaction kettle, and keep the temperature at 180°C for 72h. (6) After being cooled to room temperature, the polytetrafluoroethylene liner is taken out and the solution is poured out, centrifuged with a 5ml centrifuge tube, and the solid product obtained is washed successively with toluene, ethanol, and water 5 times, and the product is finally dispersed in the middle of ethanol. The particle diameter of gained macromolecule microsphere is about 1 μm (see image 3 ).

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Abstract

Synthesis of polymer micro-sphere by hydrothermal method is carried out by reacting sodium with anhydrous alcohol, adding into dithihol, reacting to obtain dithihol sodium alcohol solution, mixing toluene solution of perchloro-carbon cluster compound with dithihol sodium alcohol solution in polytef kettle, keeping temperature while laying aside in reactor, cooling, centrifugal treating to obtain deposits, and washing them by toluene, alcohol and water for at least one time to obtain final product. It's simple, efficient and operational. It has gentle reactive condition and no environmental pollution.

Description

technical field [0001] The invention relates to a polymer microsphere, in particular to a method for synthesizing a polymer microsphere through a solvothermal method. Background technique [0002] Polymer microspheres refer to polymer materials or polymer composite materials with diameters ranging from nanometers to μm, spherical or other geometric shapes, and their shapes can be varied, including solid, hollow, porous, dumbbell-shaped, Onion type etc. Polymer microspheres also include microcapsules. Microcapsules refer to microspheres with one or more microcavities in the middle of the microspheres, and the microcavities can embed certain special substances. Microspheres and microcapsules play special and key roles in many important fields because of their special size and structure. [0003] The application of polymer microsphere materials involves almost all fields. Polymer microspheres have a long history. The earliest natural polymer microspheres come from the sap of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F232/08C08F2/06
Inventor 方晓亮邓顺柳梁华谢素原黄荣彬郑兰荪陈诚谢颖
Owner XIAMEN UNIV