熔融纺丝制备的PET/锗复合纤维:负离子释放性能、远红外辐射性能及抗菌性能

doi:10.11896/j.issn.1005-023X.2018.08.024

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Abstract In order to investigate the negative air ions (NAI) releasing, far infrared emission and antibacterial properties of the PET/germanium fibrous composite, PET/germanium fibrous composite containing 1%—3% inorganic germanium (Ge) particles were prepared using the melt-spinning method. The surface and cross section morphology and the crystal phase structure of the composite fibers were characterized by SEM and XRD. The results showed that the inorganic Ge particles were uniformly dispersed in the fibrous composite, no agglomeration appeared. The characteristic diffraction peaks of the Ge-O was occurred at 2θ=17.4°, 24.1°, 27°, 33.5° and 51.7° in the XRD patterns of the fibrous composite, implying that the crystal structure of the Ge particles was not destroyed by the high temperature of melt-spinning. Besides, the NAI, far infrared emission showed that the value of NAI released by the PET/Ge fibrous composite was proportional to the concentration of Ge particles, which reached as high as 1 470 ions/cm³ when the mass fraction of the Ge was 3%. Furthermore, the NAI increased gradually along with temperature in the range of 25—70 ℃, and the value got to the maximum when the temperature rose to 70 ℃. Additionally, the far infrared emissivity reached the maximum of 0.9 when the adding 3% of Ge. The antimicrobial test illustrated that antibacterial activity of the fibrous composite against the S. aureus reached to 97.8% in 12 h when the Ge powders concentration was 3%.

Key words： inorganic germanium negative air ions far infrared emission antibacterial fibrous composite melt spinning

Published: 11 May 2018

CLC number:

TS156

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	Articles by authors
	CHEN Zhi
	SUN Cong
	ZHU Yanan
	GE Mingqiao

Cite this article:

CHEN Zhi,SUN Cong,ZHU Yanan, et al. PET/Germanium Fibrous Composite Fabricated by Melt Spinning Technique: Negative Air Ions Emission, Far-infrared Emission and Antibacterial Properties[J]. Materials Reports, 2018, 32(8): 1333-1337.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.08.024 OR http://www.mater-rep.com/EN/Y2018/V32/I8/1333

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