Topic
Methyl isobutyl ketone
About: Methyl isobutyl ketone is a research topic. Over the lifetime, 2071 publications have been published within this topic receiving 26976 citations. The topic is also known as: Hexone & Isobutyl methyl ketone.
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TL;DR: In this article, an acid chloride-containing block polymer and a multivalent amine in the presence of a macroporous support was explored as a means to generate a nanoporous thin film composite (TFC) membrane potentially useful for ultrafiltration.
Abstract: Interfacial polymerization of an acid chloride-containing block polymer and a multivalent amine in the presence of a macroporous support was explored as a means to generate a nanoporous thin film composite (TFC) membrane potentially useful for ultrafiltration. When polylactide-b-poly(styrene-co-vinylbenzoyl chloride) (PLA-b-P(S-co-VBC)) in an organic phase and m-phenylenediamine (MPD) in an aqueous phase were used as the reactive block polymer and the amine, respectively, a block polymer thin film was successfully formed on a polysulfone support. This nanostructured film could be converted into a nanoporous layer by subsequent PLA etching under mild basic conditions. While most organic solvents used to dissolve PLA-b-P(S-co-VBC) damaged the support and decreased permeability of the resulting membrane, use of a mixture of methyl isobutyl ketone and acetonitrile produced a TFC membrane with high permeability.
17 citations
TL;DR: In this paper, the extraction of Mg2+ by di-(2-ethylhexyl) phosphoric acid (P204) was carried out to separate lithium and magnesium, and the results showed that tributylhexylphosphonium bis (trifluoromethyl sulfonyl) ionic liquid ([P4446][NTf2]) can serve as an excellent supporting electrolyte to solve the electroconductibility of the weak polarity organic phase.
17 citations
17 citations
TL;DR: A new method combining ion-exchange displacement chromatography with centrifugal partition chromatography was used for the fractionation of partially depolymerized fucans (polysulphated polysaccharides) to resolve into adjacent families characterized by their peak molecular mass and polydispersity.
17 citations
TL;DR: In this paper, an exploratory study of non-dispersive extraction of various phenolic solutes using a nonporous membrane has been carried out, where the effects of hydrodynamic factors, concentration of phenols, and temperature on the trans-membrane flux are discussed.
Abstract: An exploratory study of nondispersive extraction of various phenolic solutes using a nonporous membrane has been carried out. Sorption and permeation data for these solutes have been obtained using a silicone rubber membrane. The effects of hydrodynamic factors, concentration of phenols, and temperature on the trans-membrane flux are discussed. A film model is used to determine the intrinsic mass transfer characteristics of the membrane. Comparison of sorption of phenolic solutes from the membrane into the organic solvent indicates that methyl isobutyl ketone is a better solvent than butyl acetate.
17 citations