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Structural Characteristics and Properties of Polylactic Acid(PLA) and Cellulose Triacetate(CTA) Fibers for Heat-Not-Burn(HNB) Cigarettes

Weichang KeMengyu MiaoBing LiuQiao WuTong Liu

China Tobacco Hubei Industrial LLCSchool of Power and Mechanical Engineering,Wuhan University

摘要:In this work, two commonly used filter fibers for heat-not-burn(HNB) cigarettes, polylactic acid(PLA) and cellulose triacetate(CTA) fibers, have been extensively investigated by characterizing their morphologies, thermal and wetting properties. It is found that plenty of small pores can be observed in PLA fibers, which can provide more effective surface areas for the adsorption of mainstream smoke than CTA fibers with smooth surface. At the same time, thermal properties results including differential scanning calorimetry data, thermogravimetry data, and thermal conductivities of PLA and CTA fibers indicate that CTA fibers have an amorphous phase, while PLA fibers present a mixture of amorphous phase and crystalline phase with better thermal properties. Additionally, wetting properties demonstrate that PLA fibers have better adsorption properties than CTA fibers.
会议名称:

The 7th International Conference on Environmental Science and Civil Engineering (ESCE 2021)

会议时间:

2021-01-09

会议地点:

中国江西南昌

  • 专辑:

    工程科技Ⅰ辑

  • 专题:

    有机化工; 轻工业手工业

  • DOI:

    10.26914/c.cnkihy.2021.014174

  • 分类号:

    TQ340.1;TS411

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