Preparation and application of a kind of porous organic polymer

A technology of porous polymers and copolymers, applied in chemical/physical processes, ion exchange, ion exchange treatment devices, etc., can solve the problems of poor biomolecular adsorption performance, strong hydrophobicity, small pore size, etc., and achieve good hydrophilicity and adsorption performance, widening the application field, and the effect of increasing the storage modulus

Active Publication Date: 2019-08-13
云南油橄榄大健康产业创新研究发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, for biomolecules, especially biomacromolecules such as polypeptides, proteins, and polysaccharides, they have large molecular weight, large molecular size, and multiple action sites. relatively poor performance
Among them, polystyrene-divinylbenzene POPs are the most widely used, but there are a large number of benzene rings and dangling double bonds on the surface, which have defects such as strong hydrophobicity and small pore size, which seriously affect its performance in peptides, proteins, and polysaccharides. applications in the field of separation

Method used

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  • Preparation and application of a kind of porous organic polymer
  • Preparation and application of a kind of porous organic polymer
  • Preparation and application of a kind of porous organic polymer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Preparation of PSE polymer: Dissolve 0.5 g of polyvinyl alcohol in 70 mL of aqueous solution at 60°C, add 0.02 g of sodium lauryl sulfate, 0.02 g of sodium carbonate, and 0.015 g of hydroquinone, and mix to obtain Continuous phase, ready for use; mix 0.2g of benzoyl peroxide, 0.1g of hexadecane, 2g of Span 80, 2.5g of styrene, and 1g of ethylene glycol dimethacrylate, mix and sonicate for 10min to obtain a dispersed phase; The continuous phase and the dispersed phase are mixed and added to the reaction vessel, under a nitrogen environment, 120 rpm continuous stirring, 65°C for 6h heating polymerization, filtered, the filtered solids are washed sequentially with water, ethanol and acetone, and then dried to obtain benzene Ethylene-ethylene glycol dimethacrylate copolymer PSE1. The adsorption capacity of PSE1 is 162mg / g (based on the dry weight of PSE1).

Embodiment 2

[0029] Preparation of PSE polymer: Dissolve 1.0 g of polyvinyl alcohol in 100 mL of aqueous solution at 100°C, add 0.03 g of sodium lauryl sulfate, 0.04 g of sodium carbonate, and 0.02 g of hydroquinone, and mix to obtain Continuous phase, ready for use; mix 0.3 g of benzoyl peroxide, 0.3 g of hexadecane, 3 g of Span 80, 4 g of styrene, and 3 g of ethylene glycol dimethacrylate, mix and sonicate for 30 minutes to obtain a dispersed phase; The continuous phase and the dispersed phase are mixed and added to the reaction vessel under an argon atmosphere, 200 rpm continuous stirring, 85°C heating and polymerization for 8 hours, filtered, the filtered solids are washed sequentially with water, methanol and acetone, and dried to obtain benzene Ethylene-ethylene glycol dimethacrylate copolymer PSE2.

[0030] Weigh 0.2 g of the prepared PSE2 resin particles, add 15 mL of 30% ethanol solution, 0.01 g of dopamine hydrochloride, and 20 mL of tris (Tris) hydrochloric acid solution, mix, adju...

Embodiment 3

[0032] Preparation of PSE polymer: Dissolve 1.5 g of polyvinyl alcohol in 200 mL of aqueous solution at 200°C, add 0.5 g of sodium lauryl sulfate, 0.6 g of sodium carbonate, and 0.4 g of hydroquinone, and mix to obtain Continuous phase, ready for use; mix 0.5 g of benzoyl peroxide, 0.4 g of hexadecane, 5 g of Span, 6 g of styrene, and 5 g of ethylene glycol dimethacrylate, mix and sonicate for 60 minutes to obtain a dispersed phase; The continuous phase and the dispersed phase are mixed and added to the reaction vessel in a carbon dioxide environment, with continuous stirring at 300 rpm, heating and polymerization at 100°C for 12 hours, and filtering. The filtered solids are washed sequentially with water, methanol and n-hexane and dried to obtain benzene Ethylene-ethylene glycol dimethacrylate copolymer PSE3.

[0033] Weigh 1g of the prepared PSE3 resin particles, add 80mL of 60% methanol solution, 40mL of tris (Tris) hydrochloric acid solution, and 0.2g of dopamine hydrochlorid...

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Abstract

The invention discloses a preparation method and application of a polydopamine modified polystyrene-ethylene glycol dimethacrylate porous organic polymer. The preparation method comprises the steps of preparing polydopamine modified polystyrene-ethylene glycol dimethacrylate, and preparing the polydopamine modified polystyrene-ethylene glycol dimethacrylate porous organic polymer. Polydopamine modified polystyrene-ethylene glycol dimethacrylate is prepared by virtue of a reverse micelle swelling method, styrene is taken as a monomer, ethylene glycol dimethacrylate is taken as a cross-linking agent, polyvinyl alcohol is taken as a pore-foaming agent, and finally, a porous organic polymer particles is synthesized. The polydopamine modified polystyrene-ethylene glycol dimethacrylate porous organic polymer is prepared through coating and modification of polydopamine, and the hydrophilic performance, mechanical property and adsorption performance to biomacromolecules such as polypeptides, proteins and polysaccharides of the porous organic polymer are obviously improved.

Description

Technical field [0001] The invention belongs to the field of organic polymer preparation and biomolecular separation, and specifically relates to the preparation of a polydopamine modified polystyrene-ethylene glycol dimethacrylate porous organic polymer and its application in the field of biomolecular separation application. [0002] technical background [0003] Porous Organic Polymers (POPs) is a general term for a class of non-ionic, highly cross-linked organic high molecular polymers with a large number of pore structures. It is composed of polymerized monomers, cross-linking agents, porogens, and dispersants. It is prepared by polymerization reaction under specific conditions. After the polymer is synthesized, the porogen is removed to form pores with various pore diameters, different shapes and interpenetrating each other, which are shown as a porous three-dimensional network structure, which has a high internal porosity in a dry state and a large pore diameter . Therefor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F261/04C08F212/08C08F222/14C08G73/06B01D15/08
CPCB01D15/08C08F261/04C08G73/0672C08F222/102
Inventor 刘永峰王浩邸多隆
Owner 云南油橄榄大健康产业创新研究发展有限公司
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