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Влияние различных факторов на транспортные свойства поливинилхлоридных пластифицированных мембран на основе полиоксиэтилированных нонилфенолов

Влияние различных факторов на транспортные свойства поливинилхлоридных пластифицированных мембран на основе полиоксиэтилированных нонилфенолов

Abstract

The processes of di f fusion mass transfer of polyoxyethylated nonylphenols with different numbers of oxyethyl groups through polyvinylchloride plasticized membranes (molecular sieves) at varying nature of the pore-former, the nature and concentration of polyethoxylates in the contacting solutions were investigated. The quantitative characteristics of membrane transport: penetrability, diffusion coefficient, distribution coefficient, selectivity, sorption capacity and degree of enrichment for membranes were evaluated. Dependence of transport properties of the membrane on the number of oxyethyl groups of nonylphenol in solutions at the membrane and pore-formers.

Исследованы процессы диффузионного массопереноса полиоксиэтилированных нонилфенолов (НФ-m) с различным числом оксиэтильных групп (ОЭГ) через поливинилхлоридные пластифицированные мембраны (молекулярные сита) при варьировании природы порообразователей, природы и концентрации полиэтоксилатов в контактирующих растворах. Рассчитаны количественные характеристики мембранного транспорта: коэффициенты проницаемости, диффузии, распределения и селективности, сорбционная емкость и степень обогащения мембран. Показана зависимость транспортных свойств мембраны от числа оксиэтильных групп нонилфенолов в примембранных растворах и порообразователях.

Keywords

ПОЛИОКСИЭТИЛИРОВАННЫЕ НОНИЛФЕНОЛЫ, НАНОФИЛЬТРАЦИОННЫЕ МЕМБРАНЫ, ДИФФУЗИОННЫЙ МАССОПЕРЕНОС

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average