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Wool Cigarette Filters Part Ill: Selective Removal of Volatile Components with Polyethylenlmlne-Quaternary Ammonium Mixtures
1976
Beiträge zur Tabakforschung International
AbstractChemical and biological assays showed that wool filters containing mixtures of commercially available polyethylenimines (PEI) and quaternary ammonium compounds (QUAT) selectively removed proportions of the biologically active volatile constituents of cigarette smoke. The action of the QUAT was synergistic in that it enhanced the performance of PEI filters but, alone, was ineffective in retaining volatile components. Only water-soluble QUATs with one long hydrocarbon chain (> 10 C-atoms)
doi:10.2478/cttr-2013-0395
fatcat:3kh4w6ndqrb4vd5yeix2r56evq