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Preparation of Hydrazine Impregnated Adsorbents and Selective Adsorption Properties for Carbonyl Compounds in Cigarette Mainstream Smoke  

Lee, John-Tae (Analysis center, KT&G Central Research Institute)
Park, Jin-Won (Analysis center, KT&G Central Research Institute)
Lee, Jeong-Min (Analysis center, KT&G Central Research Institute)
Rhee, Moon-Soo (Analysis center, KT&G Central Research Institute)
Hwang, Keon-Joong (Analysis center, KT&G Central Research Institute)
Hwang, Taek-Sung (Department of Chemical Engineering, Chungnam National University)
Publication Information
Polymer(Korea) / v.30, no.3, 2006 , pp. 210-216 More about this Journal
Abstract
To use the filter materials for selective removal of carbonyl compounds in cigarette mainstream smoke, hydrazine such as 2,4-dinitrophenylhydrazine (2,4-DNPH) and dansylhydrazine (DAH) impregnated adsorbents were prepared with perchloric acid or phosphoric acid as an accelerator in hydrazone formation reaction. Changes of molecular structure and morphology of adsorbents in various of impregnator were investigated by FTIR/ATR and SEM. Impregnation amount caused by reaction time, acid type and impregnation reagent, and the adsorption properties of carbonyl compounds in cigarette mainstream smoke were studied. Amounts of impregnation increased with increasing reaction time. The removal amount for vapor phase carbonyl compounds by 2,4-DNPH impregnated adsorbent was higher than that of dansylhydrazine impregnated adsorbent. The selectivity of 2,4-DNPH impregnated polyacrylic type adsorbent was superior to those of other adsorbents. This result indicates that the 2,4-DNPH impregnated polyacrylic adsorbent is applicable to cigarette filter material because of its fast reactivity and porosity.
Keywords
carbonyl compounds; 2,4-dintrophenylhydrazine; dansylhydrazine; impregnation; selective removal;
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