期刊
KINETICS AND CATALYSIS
卷 58, 期 6, 页码 816-824出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0023158417060131
关键词
nanoporous polymers; solid strong acid; superhydrophobicity; sulfonation; biodiesel
Super-hydrophobic solid strong acid with superior thermal stability and unique swelling properties has been synthesized by sulfonation of nanoporous polydivinylbenzene (PDVB) with super-acid of trifluoromethanesulfonic acid (TFMSA). The resultant PDVB-HOSO2CF3 has a well developed system of nanopores, superhydrophobic surface character and strong acid sites, and could be used as a highly efficient solid acid for catalyzing production of biodiesel and fine chemicals via transesterification, esterification and acylation. In terms of activity PDVB-HOSO2CF3 is superior to various solid acids such as SBA-15-SO3CF3, Nafion, Amberlyst 15, SBA-15-Ar-SO3H and H form USY. The preparation of PDVB-HOSO2CF3 offers the way to develop new kind of porous solid acid with strong acid strength and regulated wettability.
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