Sorption Properties of Polydivinylbenzene Polymers Towards Phenolic Compounds and Pharmaceuticals

被引:6
作者
Sobiesiak, Magdalena [1 ]
Grochowicz, Marta [1 ]
Tomasik, Joanna Osypiuk [1 ]
机构
[1] Marie Curie Sklodowska Univ, Fac Chem, Dept Polymer Chem, Pl Maria Curie Sklodowskiej 3, PL-20031 Lublin, Poland
来源
COLLOIDS AND INTERFACES | 2019年 / 3卷 / 01期
关键词
polymeric sorbents; modification of polymers; porous materials; water purification; SPE; phenolic compounds; ibuprofen; SOLID-PHASE EXTRACTION; CHLOROPHENOLS; ADSORPTION; MICROSPHERES; ADSORBENT; REMOVAL; SAMPLES;
D O I
10.3390/colloids3010019
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Highly cross-linked polymers are commonly used in purification and separation techniques because of their many useful features. In order to better adjust their porosity to adsorption of specific compounds, methods like surface functionalization or imprinting are used. In this work, a series of highly cross-linked polydivinylbenzenes (pDVB) were prepared using a suspension method. Toluene was applied as a pore-forming diluent. Some part of toluene (1 mL) was replaced with phenol (F), 2,4,6-trichlorophenol (T) or their mixture (M) to prepare polymers with porosity more suitable for phenols sorption. Another approach was an introduction of sulfone groups onto the polymer surface (pDVB-SO3H). The physicochemical characteristics of the synthetized adsorbents included CHN, FTIR, DSC and porosimetric analyses. Afterwards, to evaluate sorption properties of the prepared adsorbents towards phenols, ibuprofen and salicylic acid the solid phase extraction (SPE) experiments were performed. The polymers had the specific surface areas of about 440-560 m(2)/g created mainly by mesopores with widths ca. 3.75 and 4.75-7.15 nm. Materials obtained with the addition of porosity modifiers (phenol, trichlorophenol, mixture) had more uniform porous structure and their sorption capacity toward phenols increased ca. 5%. Similar sorption capacities were obtained for ibuprofen. Salicylic acid had low affinity to the surface of the tested polymers.
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页数:11
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