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Open AccessArticle

The Impact of Laser Radiation on Polypropylene Molded Pieces Depending on Their Surface Conditions

UTP University of Science and Technology, Faculty of Mechanical Engineering, Prof. S. Kaliskiego 7, PL 85796 Bydgoszcz, Poland
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Polymers 2019, 11(10), 1660; https://doi.org/10.3390/polym11101660
Received: 28 August 2019 / Revised: 2 October 2019 / Accepted: 5 October 2019 / Published: 11 October 2019
(This article belongs to the Special Issue Surface Modification and Functionalization of Polymers)
The article presents an analysis of the impact of a laser beam interaction (Nd: YVO4) with selected operational parameters on the quality of graphical marks obtained on the surfaces of polypropylene-molded pieces with different surface textures (variable parameters of the surface layer). Polypropylene test specimens were produced by injection using the original injection mold, which allowed for the obtainment of products with variable surface finish parameters determined by the surface condition of the forming cavity. The presented relationship between the parameters of laser performance, the texture of a molded piece surface, the molded piece’s color, and types of masterbatches supporting the marking process allows for the assessment of the efficiency of graphic symbol application by laser marking. The original evaluation criteria for the conducted process were adopted. View Full-Text
Keywords: laser marking; polypropylene; surface finishing; laser marking masterbatch; colorimetry laser marking; polypropylene; surface finishing; laser marking masterbatch; colorimetry
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MDPI and ACS Style

Czyżewski, P.; Sykutera, D.; Bieliński, M.; Troszyński, A. The Impact of Laser Radiation on Polypropylene Molded Pieces Depending on Their Surface Conditions. Polymers 2019, 11, 1660.

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