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Example:10.1021/acsami.1c06204 or Chem. Rev., 2007, 107, 2411-2502
Structural Characteristics and Properties of Polylactic Acid (PLA) and Cellulose Triacetate (CTA) Fibers for Heat-Not-Burn (HNB) Cigarettes
IOP Conference Series: Earth and Environmental Science  (IF),  Pub Date : 2021-04-12, DOI: 10.1088/1755-1315/719/4/042044
Weichang Ke, Mengyu Miao, Bing Liu, Qiao Wu, Tong Liu

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.