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| Research on Key Influencing Factors of Crease Performance of Tobacco Transfer Paper |
| Received:April 11, 2025 Revised:July 15, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.12.020 |
| Key Words:transfer paper fiber characteristics tool crease |
| Author Name | Affiliation | Postcode | | LIU Wenting* | China Tobacco Hubei Industry Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | SUN Peng | Wuhan Hongjinlong Printing Co., Ltd., Wuhan, Hubei Province, 430100 | 430100 | | CAI Wen* | Wuhan Hongzhicai Packaging and Printing Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | YAN Li | Wuhan Hongzhicai Packaging and Printing Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | JIANG Wenjuan | China Tobacco Hubei Industry Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | ZHOU Yufeng | Wuhan Hongjinlong Printing Co., Ltd., Wuhan, Hubei Province, 430100 | 430100 | | XIAO Chao | Wuhan Hongjinlong Printing Co., Ltd., Wuhan, Hubei Province, 430100 | 430100 | | YANG Dewei | Wuhan Hongzhicai Packaging and Printing Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | HUANG Yuanjing | China Tobacco Hubei Industry Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | WANG Lei* | School of Material Science and Chemical Engineering, Hubei University of Technology, Wuhan, Hubei Province, 430068 | 430068 |
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| Abstract:This study focused on holographic transfer paper and plain laser transfer paper as the research objects. It systematically analyzed the influence of paper structure characteristics and tool parameters on crease quality， and explored the effects of crease groove width (1.0~1.7 mm) and tool width (1~3 pt) on crease width， crease depth， and crease stiffness. The result showed that the compressive modulus of holographic positioning transfer paper (15 MPa) was lower than that of plain laser transfer paper (17 MPa)， and its crease stiffness (transverse of 45 mN·m， longitudinal of 56 mN·m) was also lower than that of plain laser transfer paper. This was because holographic positioning transfer paper has longer fibers (average 0.815 mm)， a looser distribution， lower ash content (5.24%)， and lower density (0.557 g/cm3)， which endow it with greater elasticity and crease deformation capability. The width of the crease was determined by the width of the crease groove. As the width of the tool and the crease groove increased， the depth of the crease decreased and the stiffness of the crease increased. Compared with the width of the tool， the width of the crease groove had a greater impact on the quality of the crease. When the width of the crease groove increased by 70%， the width of the longitudinal and transverse creases increased by approximately 70%， the depth of the longitudinal and transverse creases decreased by about 34%， and the stiffness of the longitudinal and transverse creases increased by about 50%. |
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