PET/PP Blend with Bamboo Charcoal to Produce Functional Composites: Evaluation of Functionalities

Abstract:

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Poly(ethylene terephthalate)/polypropylene/bamboo charcoal (PET/PP/BC) thermoplastic composites were prepared by melt compounding and then injection molding. The functionalities of the composites, such as electrical resistivity, electromagnetic shielding effectiveness (EMSE), far-infrared ray radiativity (FIRR) and negative ion concentration, were evaluated in the study. The surface resistivity and volume resistivity of the functional composites were 2.47 - 9.12×1011 Ω/sq and 5.8 - 7.01×1010 Ωcm, respectively, while composites containing 6 wt% BC or above. The EMSE of the composites were below 10 dB at frequency ranged from 300 kHz to3 GHz. The average FIRR of the composites was 0.85 at BC concentration of 8 wt%. Incorporation of BC into the composites increased the negative ion concentration of about 30 pcs/cc compared to those without BC. However, it is lower than the positive ion concentration in the air.

Info:

Periodical:

Advanced Materials Research (Volumes 55-57)

Main Theme:

Edited by:

Tawee Tunkasiri

Pages:

433-436

DOI:

10.4028/www.scientific.net/AMR.55-57.433

Citation:

J. H. Lin et al., "PET/PP Blend with Bamboo Charcoal to Produce Functional Composites: Evaluation of Functionalities", Advanced Materials Research, Vols. 55-57, pp. 433-436, 2008

Online since:

August 2008

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$35.00

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