Understanding the dynamic caking behavior of tobacco granules for heated tobacco products via glass transition and water state

文献类型： 外文期刊

第一作者： Zhang, Xiaoyu

作者： Zhang, Xiaoyu;Zhang, J. in;Chen, Eijian;Wang, Xiaofeng;Cao, Yun;Tian, Huijuan;Zhou, Shun;Gao, J. ianbiao;Lin, Yonghong;Liu, Haiying;Chenb, Qinqin

作者机构：

关键词： Tobacco granules; Caking; Bound water; Amorphous; Rubbery

期刊名称：ADVANCED POWDER TECHNOLOGY （ 影响因子：4.2； 五年影响因子：4.5 ）

ISSN： 0921-8831

年卷期： 2025 年 36 卷 6 期

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收录情况： SCI

摘要： Tobacco granules for heated tobacco products (TGHTPs) were at amorphous state and prone to caking during processing and storage. Hence, it was essential to understand the dynamic caking behavior of TGHTPs for quality control. Moisture sorption isotherms of TGHTPs were of type III and could be well fitted by both DLP and GAB model. Homogeneous caking was observed in TGHTP1 while TGHTP2 similar to TGHTP4 presented non-homogeneous caking behavior. The basic flow energy (BFE) of TGHTPs increased with rising of relative humidity (RH) and exposure time. BFE value (4093 mJ) of TGHTP3 after 48 h exposure to 90% RH was five times than that of 53% RH (806 mJ). Bound water was found predominant in TGHTPs, the migration of immobilized water to bound state was observed during the moisture uptake process. When the RH was over 56.83 similar to 58.65% at 25 degrees C, glass transition of TGHTPs was happened from "amorphous glassy" to "amorphous rubbery". (c) 2025 Published by Elsevier B.V. on behalf of The Society of Powder Technology Japan.

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