摘要
为克服传统保润剂丙二醇在加热烟草制品中吸湿性过强的缺点,制备了一种新型保润剂丙二醇吡咯酯,并利用热重-微商热重-差示扫描量热法、热裂解气相色谱/质谱和低场核磁共振技术考查其热行为及其在再造烟叶中的保润效果。结果表明:丙二醇吡咯酯的热失重区间为149.9~400.0℃,在298.7℃时质量损失率达最大(77.39%);在200℃、300℃和350℃下的主要裂解产物为吡咯酸和丙二醇,其中丙二醇可以起到协调和降低烟气干燥感的作用;在低湿环境下添加丙二醇吡咯酯的再造烟叶丝保润能力高于空白组,但低于丙二醇组;丙二醇组、丙二醇吡咯酯组和空白组中再造烟叶丝内部结合水占比分别为75%、70%、68%,即丙二醇吡咯酯可以降低再造烟叶丝的强吸湿性,同时保持一定的保润能力。
To overcome the disadvantage of strong moisture absorption of traditional moisturizing agent propylene glycol in heated tobacco products,a new type of moisturizing agent propylene glycol pyrrole ester was prepared,and its thermal behavior and moisture retention effect in reconstituted tobacco leaves were investigated by thermogravimetric-derivative thermogravimetry-differential scanning calorimetry,pyrolysis gas chromatography/mass spectrometry and low-field nuclear magnetic resonance imaging.The results showed that:the thermal weight loss interval of propylene glycol pyrrole ester was from 149.9℃to 400.0℃,and the maximum weight loss rate 77.39%reached at 298.7℃.Propylene glycol pyrrole ester was subjected to thermal cracking at 200℃,300℃and 350℃,and it mainly could crack and decompose to release pyrrolidic acid and propylene glycol,among which propylene glycol could harmonise and reduce the sense of dryness of the tobacco.The moisture retention ability of reconstituted tobacco leaves added with propylene glycol pyrrole ester in low humidity environment was higher than that of the blank group,but lower than that of the propylene glycol group;The area of bound water inside the reconstituted tobacco leaves in a low humidity environment of propylene glycol group,propylene glycol pyrrole ester group and blank group was 75%,70%,and 68%,respectively.Propylene glycol pyrrole ester could reduce the strong moisture absorption of reconstituted tobacco leaves while maintaining a certain degree of moisture retention.
作者
楚文娟
樊文鹏
高子婷
韩路
田海英
姬小明
万纪强
来苗
CHU Wenjuan;FAN Wenpeng;GAO Ziting;HAN Lu;TIAN Haiying;JI Xiaoming;WAN Jiqiang;LAI Miao(Technology Center,China Tobacco Henan Industrial Co.,Ltd.,Zhengzhou 450000,China;College of Tobacco,Henan Agricultural University,Zhengzhou 450002,China)
出处
《轻工学报》
CAS
北大核心
2024年第2期87-93,共7页
Journal of Light Industry
基金
河南省自然科学基金资助项目(232300421257)
河南中烟工业有限责任公司科技项目(2021410001300098,2023410001340030)。
关键词
丙二醇吡咯酯
保润剂
热行为
再造烟叶
加热卷烟
propylene glycol pyrrolidine ester
moisturizer
thermal behaviour
reconstructed tobacco leaves
heating cigarette
作者简介
楚文娟(1983-),女,河南省平顶山市人,河南中烟工业有限责任公司高级工程师,博士,主要研究方向为烟草化学和烟用材料。E-mail:chuwenjuan6@126.com;通信作者:万纪强(1990-),男,河南省平顶山市人,河南中烟工业有限责任公司助理研究员,博士,主要研究方向为烟草化学和烟用材料。E-mail:wanjiqiang1114@163.com。
