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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Influence of graphene nanoplates and ABS-g-MAH on the thermal, mechanical, and electromagnetic properties of PC/ABS blend

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Author(s):
dos Anjos, Erick Gabriel Ribeiro [1] ; de Souza Vieira, Leonardo [1] ; Marini, Juliano [2] ; Brazil, Tayra Rodrigues [1] ; Gomes, Newton Adriano Santos [1] ; Rezende, Mirabel Cerqueira [1] ; Passador, Fabio Roberto [1]
Total Authors: 7
Affiliation:
[1] Fed Univ Sao Paulo UNIFESP, Dept Sci & Technol, Polymer & Biopolymer Technol Lab TecPBio, 330 Talim, BR-12231280 Sao Jose Dos Campos, SP - Brazil
[2] Fed Univ Sao Carlos UFSCar, Dept Mat Engn, Sao Carlos - Brazil
Total Affiliations: 2
Document type: Journal article
Source: Journal of Applied Polymer Science; v. 139, n. 3 AUG 2021.
Web of Science Citations: 0
Abstract

Polymeric blends based on polycarbonate (PC) and acrylonitrile-styrene-butadiene copolymer (ABS) are applied mainly in the electronic and automotive industries. Studies to improve the properties of PC/ABS blend have led to graphene nanoplates (GNP) addition, a carbon nanofiller derived from graphite that presents some of the promising properties of graphene. In this work, the effect of the addition of GNP (3 and 5 wt%) and maleic anhydride grafted ABS (ABS-g-MAH) were evaluated on the thermal, mechanical, rheological, and electromagnetic properties of PC/ABS blends (85/15), a different blend ratio of previous studies. It was verified that the GNP addition significantly increased the thermal stability of the blends. Furthermore, the mechanical tests showed that ABS-g-MAH acted as an efficient compatibilizer for the PC/ABS blends, and the GNP addition improved the Shore D hardness, the elastic modulus, and the maximum tensile strength of all compositions. Besides, it was observed an overlapping effect of the GNP and ABS-g-MAH addition on the mechanical properties of the blend. The addition of 3 wt% GNP to the PC/ABS (85/15) blend also doubled the elongation at break of the material. Furthermore, these contents resulted in a slight increase of the electromagnetic waves attenuation of 1-2 dB associated to electromagnetic waves reflection. (AU)

FAPESP's process: 19/11130-9 - Development of graphene and MWCNT hybrid nanocomposites-based on PC/ABS blends for electronic components housing
Grantee:Erick Gabriel Ribeiro dos Anjos
Support Opportunities: Scholarships in Brazil - Master