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Effect of Tobacco Powder Particle Size and Its Distribution on Properties of Slurry-type Reconstituted Tobacco Leaf
Received:June 12, 2023  
DOI：10.11980/j.issn.0254-508X.2024.01.008
Key Words:particle size distribution  slurry process  reconstituted tobacco leaf  tensile strength
Author NameAffiliationPostcode
YANG Yang* China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102 100102
LI Chaojian China Tobacco Jiangsu Industrial Co.， Ltd.， Nanjing， Jiangsu Province， 210019 210019
ZHOU Chengxi Nantong Cigarette Filter Co.， Ltd.， Nantong， Jiangsu Province， 226014 226014
BAI Yuanyuan China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102 100102
LIU Wen China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102 100102
ZHANG Xiaoyan Nantong Cigarette Filter Co.， Ltd.， Nantong， Jiangsu Province， 226014 226014
WANG Pengfei* Nantong Cigarette Filter Co.， Ltd.， Nantong， Jiangsu Province， 226014 226014
CHAO Lumen China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102 100102
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Abstract:Five groups of cigarette powder with different particle sizes were used to prepare slurry-type reconstituted tobacco leaf （RTL）. The impact characteristics cigarette powder with single mesh size and continuously graded mixed cigarette powder on the properties of slurry and RTL were revealed， the effects of particle size distribution on RTL properties were analyzed， to find out optimal particle size and grading scheme of cigarette powder. The results showed that， as the particle size of tobacco powder decreased， the viscosity of the slurry decreased， and the density and tensile strength of RTL increased. Using small particle size tobacco powder could prepare RTL with better strength but excessively high density. Mixed four particle sizes of tobacco powder from 80 mesh to ≥200 mesh with a grading coefficient of 0.2， the tensile strength and thickness of RTL were suitable. Comparing tobacco powder with the same average particle size but different size distribution， a wider particle size distribution was more conducive to the strength property of RTL. Taking into account the properties of slurry and RTL， the optimal mixing conditions for tobacco powder were as follows： the proportion of four particle sizes of tobacco powder from 80 to ≥200 mesh was 32.2%， 13.0%， 12.8%， and 42.0%， respectively， the density was 0.72 g/cm3， and the tensile strength was 0.549 kN/m.
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