<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Chemical 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) attached to nitrogen were effective. The best removal efficiencies were obtained with a PEI/QUAT ratio in the range 0.8-1.0 and 5-10 % by weight of each additive on the filter material. Analyses of puffs at stages along the tobacco column indicated that the treated filters retained their effectiveness from the first to the last puffs. The treated filters significantly increased the pH of the mainstream smoke. </p></abstract>

Chemical 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) attached to nitrogen were effective. The best removal efficiencies were obtained with a PEI/QUAT ratio in the range 0.8-1.0 and 5-10 % by weight of each additive on the filter material. Analyses of puffs at stages along the tobacco column indicated that the treated filters retained their effectiveness from the first to the last puffs. The treated filters significantly increased the pH of the mainstream smoke.

Wool Cigarette Filters Part Ill: Selective Removal of Volatile Components with Polyethylenlmlne-Quaternary Ammonium Mixtures

CSIRO, Division of Textile Industry, Wool Research Laboratories, Belmont, Victoria, Australia

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Chemical and biological assays showed that wool filters containing mixtures of commercially available polyethylenimines (PEI) and quaternary ammonium compounds...

Wool Cigarette Filters Part Ill: Selective Removal of Volatile Components with Polyethylenlmlne-Quaternary Ammonium Mixtures

Pubblicato online: 14 ago 2014

Pagine: 321 - 325

Ricevuto: 18 set 1975

DOI: https://doi.org/10.2478/cttr-2013-0395

© Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.