Mechanical properties of colored acrylonitrile-butadiene-styrene injection molded parts

M. Trzaskalska; P. Palutkiewicz; E. Bociąga

doi:10.14314/polimery.2018.11.7

Published : 2021-01-13

Vol. 63 No. 11-12 (2018)

Mechanical properties of colored acrylonitrile-butadiene-styrene injection molded parts

M. Trzaskalska P. Palutkiewicz E. Bociąga

DOI: https://doi.org/10.14314/polimery.2018.11.7

Abstract

This article presents the results of examination of processing conditions such as mold Tf and injection Tw temperature influence on mechanical properties of the moldings made of copolymer ABS (acrylonitrilebutadiene-styrene) without and with a coloring agent in the form of a pigment and its masterbatches. The pigment was added in the amount of 1 wt ‰ and 2 wt ‰, while the masterbatches were added in the amount of 1 wt % and 2 wt %. The mechanical properties of the molded parts were determined in hardness, impact strength and tensile strength tests. The analysis of the obtained results allowed to state that the addition of the coloring agent in a form of pigment does not significantly affect the values of hardness and impact strength. However, the change of the processing conditions, e.g., increasing the mold temperature, contributed to the decrease of hardness and, at the same time, to the increase of impact strength. The tensile strength of the moldings made of ABS without and with the addition of the masterbatch is similar, regardless of the injection molding parameters, whereas their strain at break and Young’s modulus change, depending on the injection molding parameters. When using the low values of the mold temperature (30 °C) and injection temperature (230 °C), lower values of Young’s modulus were found, however, the aforementioned temperatures allow for obtaining a higher strain at break (noticed for colored samples).

Keywords

ABS ; coloring agent ; injection molding ; hardness ; impact strength ; tensile strength ; Young's modulus ABS ; koncentrat barwiący ; wtryskiwanie ; twardość ; udarność ; wytrzymałość na rozciąganie ; moduł sprężystości

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Trzaskalska, M., Palutkiewicz, P., & Bociąga, E. (2021). Mechanical properties of colored acrylonitrile-butadiene-styrene injection molded parts. Polimery, 63(11-12), 791–798. https://doi.org/10.14314/polimery.2018.11.7

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M. Trzaskalska trzaskalska@ipp.pcz.pl

Affiliation
Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, Department of Polymer Processing, Al. Armii Krajowej 19C, 42-201 Czestochowa, Poland

P. Palutkiewicz

Affiliation
Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, Department of Polymer Processing, Al. Armii Krajowej 19C, 42-201 Czestochowa, Poland

E. Bociąga

Affiliation
Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, Department of Polymer Processing, Al. Armii Krajowej 19C, 42-201 Czestochowa, Poland