Preparation method of uniform-porous crosslinked polystyrene adsorption resin

A technology for cross-linking polystyrene and adsorption resin, applied in the field of polymer chemistry, can solve the problems of complex components and unclear component structure, and achieve the effects of simple synthesis process, low raw material cost, and convenient industrial production.

Active Publication Date: 2018-12-07
南京亘闪生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the components of most substances to be separated are complex and the structure of many components is not clear, it is very necessary to synthesize a new type of adsorption resin that has specific adsorption, uniform pores and can maintain the performance of ordinary adsorption resins.

Method used

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  • Preparation method of uniform-porous crosslinked polystyrene adsorption resin
  • Preparation method of uniform-porous crosslinked polystyrene adsorption resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Oil phase preparation:

[0027] Weigh 100 g of styrene, 5 g of vinyltriethoxysilane, and 10 g of divinylbenzene, 1.05 g of benzoyl peroxide, and 90 g of toluene, 210 g of cyclohexanol in In a beaker, stir evenly to get the oil phase, set aside.

[0028] (2) Preparation of aqueous phase

[0029] Weigh 20 g of PVA, add 2000 g of deionized water, raise the temperature to 90°C and stir for 2-3 hours; after the stabilizer is completely dissolved, cool the system down to 30-50°C to obtain the water phase;

[0030] (3) aggregation

[0031] Add the oil phase in (1) to the water phase in (2), stir at 150 rpm, heat up to 75 °C for 1-5 hours; add 3 g of calcium carbonate aqueous solution, and then heat up to 95 °C to continue React for 6-12 hours; after the reaction, cool down to room temperature to obtain polymer microspheres;

[0032] (4) cleaning

[0033] The polymer microspheres obtained in (3) are drained, washed with a large amount of solvent, and dried to obtain a ...

Embodiment 2

[0036] (1) Oil phase preparation:

[0037] Weigh 100 g of methylstyrene, 1 g of vinyltrimethoxysilane, 150 g of ethylene glycol dimethacrylate, 2.51 g of azobisisobutyl, and 502 g of isobutanol In a beaker, stir evenly to obtain the oil phase, set aside.

[0038] (2) Preparation of aqueous phase

[0039] Weigh 75.3g of PEG, add 3765g of deionized water, raise the temperature to 50°C and stir for 2-3 hours; after the PEG is completely dissolved, cool the system down to 30-50°C to obtain the water phase;

[0040] (3) aggregation

[0041] Add the oil phase in (1) to the water phase in (2), stir at 200rpm, heat up to 75 °C for 1-5 hours; add 3 g of calcium carbonate aqueous solution as an auxiliary material, and then heat up to 80 °C to continue the reaction 6-12h; After the reaction is completed, cool down to room temperature to obtain polymer microspheres;

[0042] (4) cleaning

[0043] The polymer microspheres obtained in (3) are drained, washed with a large amount of solv...

Embodiment 3

[0045] (1) Oil phase preparation:

[0046] Weigh 100 g of ethyl styrene, 1 g of vinyl tris(2-methoxyethoxy) silane, 150 g of glyceryl trimethacrylate, 2.52 g of benzoyl peroxide, and 756 g Put heptane in a beaker, stir evenly to obtain an oil phase, set aside.

[0047] (2) Preparation of aqueous phase

[0048] Weigh 40.3 g of PVP, add 4030 g of deionized water, raise the temperature to 60°C and stir for 2-3 hours; after the PVP is completely dissolved, cool the system down to 30-50°C to obtain the water phase;

[0049] (3) aggregation

[0050] Add the oil phase in (1) to the water phase in (2), stir at 280 rpm, heat up to 70 °C for 1-5 hours; add 4.75 g of aqueous solution of hydroxyapatite as an auxiliary material, and then heat up to 80 °C Continue to react at ℃ for 6-12 hours; after the reaction, cool down to room temperature to obtain polymer microspheres;

[0051] (4) cleaning

[0052] The polymer microspheres obtained in (3) are drained, washed with a large amount o...

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Abstract

The invention relates to a preparation method of uniform-porous crosslinked polystyrene adsorption resin, particularly comprising: (1) preparation of an oil phase: weighing proper amounts of a monomerM1, a monomer M2, a crosslinker, an initiator, and a pore forming agent, uniformly stirring the components for later use, thus preparing the oil phase; (2) preparation of a water phase: weighing a stabilizer, adding deionized water, heating the liquid to 50-90 DEG C, stirring the liquid for 2-3 h until the stabilizer is completely dissolved, and cooling the mixture to 30-50 DEG C to prepare the water phase; (3) polymerization: adding the oil phase to the water phase with stirring, heating the mixture to 60-75 DEG C to carry out a reaction for 1-5 h, adding auxiliary materials, heating the mixture to 80-95 DEG C to continuously carry out the reaction for 6-12 h, after the reaction is finished, cooling a product to room temperature, thus obtaining polymer microspheres; (4) cleaning: performing suction drying on the polymer microspheres, cleaning the microspheres with a solvent, and drying the microspheres to obtain the uniform-porous crosslinked polystyrene adsorption resin, which is low in raw material cost and simple in synthesis process, and has convenience in industrial production.

Description

technical field [0001] The invention relates to a preparation method of a homoporous cross-linked polystyrene adsorption resin, which belongs to the field of polymer chemistry. Background technique [0002] Adsorption resin is a kind of porous polymer mainly characterized by adsorption, and the purpose is to effectively enrich and separate the target substance. At present, it is mainly organic polymer. Adsorption resin is a separation material that combines the principle of adsorption and molecular sieve. Its adsorption is caused by van der Waals force or the result of hydrogen bonding; molecular sieve is determined by the nature of its own porous structure. Due to the advantages of its own adsorption resin, it has been widely used in the extraction and separation of active ingredients in natural products of Chinese herbal medicine, hemoperfusion in clinical medicine, separation and purification of antibiotics and other fields. However, due to the complex components of most...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/08C08F230/08C08F212/36C08F2/20C08F212/12C08F222/14
CPCC08F212/08C08F212/12C08F230/08C08F212/36C08F2/20C08F2/18C08F222/102C08F222/103
Inventor 仲玉任连兵
Owner 南京亘闪生物科技有限公司
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