CAJ | 학술논문

为考察不同卷烟原料的物理保润性能，通过动态水分吸附系统、重量法吸附仪和扫描电子显微镜，分别从失水曲线、水吸附量、水吸附焓和微观物理结构进行分析，从机理上阐明了其保润性能的差异性。水分子吸附研究结果表明，在25.2℃，3.0 Kpa时，吸附量大小依次为叶丝>膨胀叶丝>膨胀梗丝>薄片，采用Sips模型拟合后计算其初始吸附焓大小为膨胀梗丝>膨胀叶丝>叶丝>薄片。结合卷烟原料动态水分评价及微观结构差异分析，得出如下结论：梗丝基于其超大孔结构及亲水性表面，随环境湿度的变化表现出吸湿快、解湿快的特点；叶丝基于其较丰富的油份及内含物的作用，保润性能最好；膨胀烟丝和薄片经过工艺处理后，对水分子的吸附量以及保持力都劣于叶丝。
위고찰불동권연원료적물리보윤성능，통과동태수분흡부계통、중량법흡부의화소묘전자현미경，분별종실수곡선、수흡부량、수흡부함화미관물리결구진행분석，종궤리상천명료기보윤성능적차이성。수분자흡부연구결과표명，재25.2℃，3.0 Kpa시，흡부량대소의차위협사>팽창협사>팽창경사>박편，채용Sips모형의합후계산기초시흡부함대소위팽창경사>팽창협사>협사>박편。결합권연원료동태수분평개급미관결구차이분석，득출여하결론：경사기우기초대공결구급친수성표면，수배경습도적변화표현출흡습쾌、해습쾌적특점；협사기우기교봉부적유빈급내함물적작용，보윤성능최호；팽창연사화박편경과공예처리후，대수분자적흡부량이급보지력도렬우협사。
Dynamic vapor sorption (DVS), intelligent gravimetric analyser (IGA) and scanning electron microscope (SEM) were employed to determine moisture desorption curve, water vapour sorption volume, water vapour sorption enthalpy and micro-physical structure. These data were further used to study moisture retention mechanism of various leaf tobacco materials. Results indicated that water vapour sorption volume was listed as:cut tobacco>expanded cut tobacco>expanded cut stem>cut reconstituted tobacco at 25.2℃and 30 Kpa. Water vapour sorption enthalpy with Sips model fitting was lined as: expanded cut stem > expanded cut toba cco> cut tobacco >cut reconstituted tobacco. It was concluded that expanded cut stem was quick to absorb and desorb moisture with changing relative humidity and temperature. While cut tobacco was best in terms of moisture retention due to its rich contents of plant oil and inherent dry matters.