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烟梗颗粒加填对再造烟叶基片物理性能的影响 |
Effect of Tobacco Stem Particles Filling on the Physical Properties of Reconstituted Tobacco Sheets |
收稿日期:2020-06-18 |
DOI:10.11980/j.issn.0254-508X.2020.10.008 |
关键词: 再造烟叶 梗颗粒 松厚度 透气度 抗张指数 |
Key Words:reconstituted tobacco sheets tobacco stem particles, bulk permeability tensile index |
基金项目:广西清洁化制浆造纸与污染控制重点实验室开放基金(2019KF02);轻化工助剂化学与技术教育部重点实验室开放基金(KFKT2019-04);陕西省创新能力支撑计划(2020KJXX-082)。 |
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摘要:提高造纸法再造烟叶的松厚度可有效改善涂布液的吸收性和卷烟的填充值,对实现我国卷烟“减害降焦”具有重要意义。本研究将烟梗粉碎后获取的不同粒径的梗颗粒(d1>60目、80目<d2≤60目、120目<d3≤80目、200目<d4≤120目)作为填料添加到再造烟叶基片中,探究了梗颗粒粒径对基片物理性能的影响。结果表明,添加4种不同粒径的梗颗粒对基片松厚度和透气度均有改善作用。随着梗颗粒粒径的增加,基片的松厚度逐渐提高。与未添加梗颗粒的基片相比,添加d1粒径的梗颗粒可使基片松厚度提高8.31%;基片的抗张指数随着梗颗粒粒径的降低有所增加。此外,d1和d2粒径的梗颗粒对基片柔软度也有一定的改善作用。 |
Abstract:Improving the bulk of reconstituted tobacco sheet can effectively improve its absorbability of coating solution and the filling performance of cigarette, which is of great significance to reduce harmful ingredients and tar content of cigarette. In this work, tobacco stem particles were prepared by screening with different meshes. Four types of tobacco stem particles with different sizes, i.e. d1> 60 mesh, 80 mesh <d2≤60 mesh, 120 mesh <d3≤80 mesh, 200 mesh <d4≤120 mesh were used as filler during preparation of reconstituted tobacco sheets. The influence of the stem particle size on the physical properties of reconstituted tobacco sheet was investigated. Results showed that four kinds of stem particles could improve the bulk and permeability of the reconstituted tobacco sheet. The bulk of the reconstituted tobacco sheet filled with d1 stem particles increased 8.31% compared with the sheets without stem particles. The tensile index of reconstituted tobacco sheets increased with decreasing stem particle size. In addition, the stem particles with d1 and d2 size also improved the softness of the base sheets to some extent. |
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