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International Journal of Polymer Science
Volume 2017, Article ID 5745878, 7 pages
Research Article

The Effect of Masterbatch Recipes on the Homogenization Properties of Injection Molded Parts

Department of Polymer Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Muegyetem Rkp. 3, Budapest 1111, Hungary

Correspondence should be addressed to József Gábor Kovács;

Received 12 December 2016; Revised 8 March 2017; Accepted 29 March 2017; Published 3 May 2017

Academic Editor: Ulrich Maschke

Copyright © 2017 László Zsíros et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Appearance is a key factor in most injection molding applications. Unfortunately, there is no widespread method to objectively test visual appearance, such as color inhomogeneity of the parts or other surface defects. We developed an evaluation method to characterize the color inhomogeneity of injection molded parts. First, we examined manufacturing conditions and masterbatch recipes and then the individual effects of the components and their interactions on homogeneity.