Physical properties of tobacco stalk fibers along the stem

LI Xiaoping; WU Zhangkang; ZHANG Congjie

doi:10.11833/j.issn.2095-0756.2013.04.014

Volume 30 Issue 4

Jul. 2013

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LI Xiaoping, WU Zhangkang, ZHANG Congjie. Physical properties of tobacco stalk fibers along the stem[J]. Journal of Zhejiang A&F University, 2013, 30(4): 548-551. doi: 10.11833/j.issn.2095-0756.2013.04.014

Citation:

LI Xiaoping, WU Zhangkang, ZHANG Congjie. Physical properties of tobacco stalk fibers along the stem[J]. Journal of Zhejiang A&F University, 2013, 30(4): 548-551. doi: 10.11833/j.issn.2095-0756.2013.04.014

Physical properties of tobacco stalk fibers along the stem

doi: 10.11833/j.issn.2095-0756.2013.04.014

1.
College of Materials Engineering，Southwest Forestry University，Kunming 650224，Yunnan，China

More Information

Corresponding author: LI Xiaoping
Received Date: 2012-07-25
Rev Recd Date: 2012-10-15
Publish Date: 2013-08-20

Abstract

To use tobacco stalks more economically and to improve their value, variation in fiber size，micro fiber angle （MFA），and the relative degree of crystallinity for fiber cells in tobacco stalk fibers along the height of the stem were studied. These were compared to industrial hemp stalks and castor stalks using an optical microscope and wide-angle X-ray diffraction. Results showed that the tobacco fiber cell had a favorable mid-length and good fiber size （The fiber length is 0.76 mm and the cell wall thickness to lumen diameter is 0.50）. Also，there was a marked difference between the variation in fiber size for the tobacco stalk and the industrial hemp and castor stalks along the height of the stem, for example, the fiber length at bottom part of tobacco is longest wihile the fiber length at midoint of castor stalk and industrial hemp stalk is shortest. MFA of the fiber cell wall at its midpoint was samller compared to the bottom and top parts（P= 0.000 1）， and the relative degree of fiber crystallinity decreased （P= 0.000 1） with the height of the tobacco stalk stem. In addition, compared to industrial hemp stalks，castor stalks，and Pinus kesiya，MFA was greater，the relative degree of crystallinity was also smaller，thus，tobacco fiber qualities were excellent and would be conducive to further study in the future.［Ch，2 tab. 9 ref.］
- forest engineering,
- tobacco（Nicotiana tabacum）fiber,
- fiber size,
- micro fiber angle,
- relative degree of crystallinity,
- variation

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Physical properties of tobacco stalk fibers along the stem

1. College of Materials Engineering，Southwest Forestry University，Kunming 650224，Yunnan，China

Corresponding author: LI Xiaoping

Received Date: 2012-07-25

Rev Recd Date: 2012-10-15

Publish Date: 2013-08-20

Key words:

Abstract: To use tobacco stalks more economically and to improve their value, variation in fiber size，micro fiber angle （MFA），and the relative degree of crystallinity for fiber cells in tobacco stalk fibers along the height of the stem were studied. These were compared to industrial hemp stalks and castor stalks using an optical microscope and wide-angle X-ray diffraction. Results showed that the tobacco fiber cell had a favorable mid-length and good fiber size （The fiber length is 0.76 mm and the cell wall thickness to lumen diameter is 0.50）. Also，there was a marked difference between the variation in fiber size for the tobacco stalk and the industrial hemp and castor stalks along the height of the stem, for example, the fiber length at bottom part of tobacco is longest wihile the fiber length at midoint of castor stalk and industrial hemp stalk is shortest. MFA of the fiber cell wall at its midpoint was samller compared to the bottom and top parts（P= 0.000 1）， and the relative degree of fiber crystallinity decreased （P= 0.000 1） with the height of the tobacco stalk stem. In addition, compared to industrial hemp stalks，castor stalks，and Pinus kesiya，MFA was greater，the relative degree of crystallinity was also smaller，thus，tobacco fiber qualities were excellent and would be conducive to further study in the future.［Ch，2 tab. 9 ref.］

Physical properties of tobacco stalk fibers along the stem

doi: 10.11833/j.issn.2095-0756.2013.04.014

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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