The sorption properties of polymers with molecular imprints of 2,4-dichlorophenoxyacetic acid synthesized by various methods |
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Authors: | S G Dmitrienko S A Popov Yu A Chumichkina and Yu A Zolotov |
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Abstract: | New sorbents, polymers with molecular imprints of 2,4-dichlorophenoxyacetic acid (2,4-D), were prepared on the basis of acrylamide.
The sorbents were synthesized by thermal polymerization methods with and without the use of ultrasound, photopolymerization,
and suspension polymerization. The specific surface area of the products was estimated and their sorption properties were
studied. Polymers with molecular imprints prepared by thermal polymerization with the use of ultrasound and by suspension
polymerization showed the best ability to repeatedly bind 2,4-D. The selectivity of polymers was estimated for the example
of structurally related compounds. It was shown that the method of synthesis decisively influenced not only the ability of
sorbents to repeatedly bind 2,4-D but also their selectivity. |
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