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Porous polymer material for bonding metal-containing ions or for purifying organic molecules

A technology of polymers and composite materials, applied in the direction of alkali metal compounds, alkali metal oxides/hydroxides, ion exchange, etc., can solve problems such as low binding capacity

Active Publication Date: 2017-06-09
因思特艾克申有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These interactions result in lower binding capacity and can be a serious problem for some chromatography (filter) applications

Method used

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  • Porous polymer material for bonding metal-containing ions or for purifying organic molecules
  • Porous polymer material for bonding metal-containing ions or for purifying organic molecules
  • Porous polymer material for bonding metal-containing ions or for purifying organic molecules

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0088] Example 1: Preparation of porous particles of crosslinked polymers according to the invention:

[0089] First, coat the silica gel carrier several times with polyethylene, as follows:

[0090] 1st coating

[0091] 5000g silica gel M.S Gel D50-120A (WAC 1.08mL / g) filled to 20L In the mixing bucket of the VT 20 plowshare mixer. In parallel, polyvinylamine polymer solutions were prepared. For this, 4946 g of a 10.1% aqueous solution of polyvinylamine (PVA solution) were weighed. The pH of the polymer solution was adjusted to 9.5 by adding 245 g of 32% hydrochloric acid. Then, 243 g of water were added. The PVA solution was slowly added to the silica gel in the mixing tank within 30 minutes (the operating rate of the mixer was 120 RPM). Then, the coated silica gel was mixed for another 30 minutes. The coated polymeric adsorbate was left at room temperature for 24h. Heat the mixing bucket of the plowshare mixer to 60°C. Then, at 30mBar Dry the solvent to constant...

example 2

[0101] Example 2: Preparation of composite material according to the invention:

[0102]The preparation of the lenticular gel containing the crosslinked porous polymer according to Example 1 corresponds to that of DE 198 27 552 C1.

example 3

[0103] Example 3: Separation of metals from solution using a composite material according to the invention:

[0104] To consume Cu from solution 2+ , with 2.5mL Cu 2+ 1 mL of the suspension containing 50 mg of the lenticular gel according to Example 2 was incubated for 24 h. The supernatant of the solution was separated and analyzed by flame atomic absorption spectroscopy (FAAS). Table 1 indicates Cu 2+ the combined amount. Figure 2 shows the isotherm with the amount of copper ion binding as the concentration of copper ions in the solution.

[0105] Table 1:

[0106]

[0107]

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Abstract

The invention relates to a method for producing porous particles of a cross-linked polymer, and to the porous particles that can be produced according to the method of the invention. The invention further relates to porous particles of a crosslinked hydroxy-or amino-group-containing polymer having a relatively low swelling factor. The invention further relates to a composite material, in which the inventive porous particles according to the invention are dispersed in a continuous aqueous phase. The invention further relates to a method for producing the composite material according to the invention. The porous particles according to the invention, or the composite material according to the invention, are used for purifying organic molecules and for bonding metals from solutions. The invention further relates to a filter cartridge, to the porous particles according to the invention of a cross-linked polymer or to the composite material according to the invention.

Description

technical field [0001] The present invention relates to a process for the preparation of porous particles of crosslinked polymers which themselves can be prepared by the process of the invention. Furthermore, the present invention also relates to crosslinked porous particles of hydroxyl- or amino-containing polymers, which particles have a relatively low coefficient of expansion. The invention also relates to a composite material on which the porous particles according to the invention are dispersed in a continuous aqueous phase. Another object of the invention also relates to a method for preparing the composite material according to the invention. The porous particles according to the invention or the composite materials according to the invention are used for purifying organic molecules and binding metal-containing ions from solution. The invention also relates to a filter cartridge comprising porous particles of a crosslinked polymer according to the invention or a compo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/26B01J20/30B01J20/28B01D15/08
CPCB01D15/08B01J20/103B01J20/261B01J20/267B01J20/28016B01J20/28047C02F1/285C02F2101/20B01J2220/4812B01J2220/46B01J2220/4806B01J13/0052B01J13/06B01J20/268B01J20/285B01J20/288B01J20/3064B01J20/3282B01J20/3289C02F1/288C02F2201/006B01J20/305B01J20/28054B01J20/28021B01J20/28011B01D15/362B01D15/363B01D15/3828B01J20/28078B01J2220/62C02F2101/30C08J3/075C08J2300/104C08J2300/106
Inventor C·迈尔K·朗费尔M·韦尔特T·施瓦茨
Owner 因思特艾克申有限公司
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