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| Carboxymethylated Wood Fibers for Rolled Reconstituted Tobacco Sheet as a Reinforcing Phase |
| Received:March 05, 2021 |
| DOI：10.11980/j.issn.0254-508X.2021.07.012 |
| Key Words:heat-not-burn tobacco rolled reconstituted tobacco carboxymethylated modified fiber tensile strength |
| Author Name | Affiliation | Postcode | | WEI Pei | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | GAO Song | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | LI Guanhui | State Key Lab of Pulp and Paper Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510641 | 510641 | | FANG Zhiqiang | State Key Lab of Pulp and Paper Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510641 | 510641 | | LIU Zhichang | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | SHU Hao | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | TONG Yuxing | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | LE Xi | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | WANG Ziwei | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | CHEN Yizhen | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | YAN Qunshan | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | PENG Rui | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 | | WAN Chao | China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
Hubei Xinye Reconstituted Tobacco Development Co., Ltd., Wuhan, Hubei Province, 430056
Hubei Key Lab of Applied Research Institute of Reconstituted Tobacco, Wuhan, Hubei Province, 430040 | 430040 |
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| Abstract:The influence of etherification process parameters on fiber carboxyl content was studied by designing orthogonal experiments， and the effects of carboxyl group content on fiber morphology， crystalline structure， water retention capacity of wood fibers and its dispersibility in reconstituted tobacco were explored in this study. Finally， a comparison in reinforcement effect of original fibers and carboxymethylated fibers with different carboxyl group contents was carried out. The results showed that the order of these process factors affecting the fiber carboxyl group content was as follows： reagent dosage>fiber concentration>reaction time. The content of carboxyl group was proportional to reagent dosage and inversely proportional to fiber concentration with an optimum reaction time of 50 min. With the increase of carboxyl group content， the average width of carboxymethylated wood fibers increased， the length-weighted mean length increased first and then decreased， while the fine content decreased first and then increased. Besides， carboxymethylated wood fibers with higher carboxyl content groups showed a higher water retention value and could improve their dispersion uniformity in reconstituted tobacco sheet. Compared with sample of original wood fibers， rolled reconstituted tobacco sheet with carboxymethylated fibers （carboxyl group content≥0.65 mmol/g） indicated a 35.8%~106.6% increase in tensile strength. |
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