RU2017106953A - Сорбент для связывания металлов и его получение - Google Patents

Сорбент для связывания металлов и его получение Download PDF

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RU2017106953A
RU2017106953A RU2017106953A RU2017106953A RU2017106953A RU 2017106953 A RU2017106953 A RU 2017106953A RU 2017106953 A RU2017106953 A RU 2017106953A RU 2017106953 A RU2017106953 A RU 2017106953A RU 2017106953 A RU2017106953 A RU 2017106953A
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sorbent
amino group
paragraphs
porous substrate
substrate material
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RU2017106953A
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RU2017106953A3 (ru
RU2676067C2 (ru
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Кристиан Мейер
Мартин Вельтер
Томас ШВАРЦ
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Инстракшн Гмбх
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Claims (20)

1. Сорбент, содержащий пористый материал подложки, покрытый полимером, содержащим аминогруппу, при этом концентрация аминогрупп сорбента, определенная титрованием, составляет по меньшей мере 600 мкмоль/мл относительно общего объема сорбента.
2. Сорбент по п. 1, отличающийся тем, что отношение массы полимера, содержащего аминогруппу, к общему объему пор пористого материала подложки составляет более или равно 0,1 г/мл.
3. Сорбент по п. 1 или 2, отличающийся тем, что объем пор пористого материала подложки составляет от 30 до 90 об. % относительно общего объема пористого материала подложки.
4. Сорбент по любому из пп. 1-3, отличающийся тем, что пористый материал подложки имеет средний размер пор от 6 нм до 400 нм.
5. Сорбент по любому из пп. 1-4, отличающийся тем, что пористый материал подложки содержит органический полимер, неорганический материал или композиционный материал из органического полимера и неорганического материала.
6. Сорбент по любому из пп. 1-5, отличающийся тем, что полимер, содержащий аминогруппу, представляет собой полиалкиламин.
7. Сорбент по любому из пп. 1-6, отличающийся тем, что полимер, содержащий аминогруппу, представляет собой сшитый полимер и/или присутствует в нековалентно связанном виде с пористым материалом подложки.
8. Способ получения сорбента, включающий следующие стадии:
(a) обеспечение пористого материала подложки;
(b) нанесение полимера, содержащего аминогруппу, на пористый материал подложки посредством способа заполнения пор;
(c) удаление растворителя, использованного в способе заполнения пор;
(d) повторение стадий (b) и (с); и
(e) сшивание полимера, содержащего аминогруппу.
9. Способ по п. 8, отличающийся тем, что стадии (b) и (с) повторяют до стадии (е) достаточно часто, чтобы концентрация аминогрупп сорбента, определенная после стадии (е) посредством титрования, составляла по меньшей мере 600 мкмоль/мл относительно общего объема сорбента.
10. Способ по п. 8 или 9, отличающийся тем, что отношение массы полимера, содержащего аминогруппу, к общему объему пор пористого материала подложки после стадии (d) составляет более или равно 0,1 г/мл.
11. Способ по любому из пп. 8-10, отличающийся тем, что стадию (с) проводят при температуре от 40 до 80°C и/или давлении от 0,01 бар до 1 бар.
12. Способ по любому из пп. 8-11, отличающийся тем, что концентрация полимера, содержащего аминогруппу, в растворителе, используемом для способа заполнения пор на стадии (b), составляет от 5 г/л до 200 г/л.
13. Способ по любому из пп. 8-12, отличающийся тем, что на стадии (f) органический остаток, который имеет природу основания Льюиса, связан на полимере, содержащем аминогруппу.
14. Сорбент, полученный способом по пп. 8-13.
15. Применение сорбента для связывания материалов из растворов, при этом указанный сорбент представляет собой пористый материал подложки, покрытый полимером, содержащим аминогруппу, причем концентрация аминогрупп сорбента, определенная титрованием, составляет по меньшей мере 300 мкмоль/мл, или сорбент представляет собой сорбент, полученный способом по пп. 8-13.
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