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Injection-molded isotactic polypropylene colored with green transparent and opaque pigments

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dc.title Injection-molded isotactic polypropylene colored with green transparent and opaque pigments en
dc.contributor.author Janoštík, Václav
dc.contributor.author Šenkeřík, Vojtěch
dc.contributor.author Maňas, Lukáš
dc.contributor.author Staněk, Michal
dc.contributor.author Cvek, Martin
dc.relation.ispartof International Journal of Molecular Sciences
dc.identifier.issn 1661-6596 Scopus Sources, Sherpa/RoMEO, JCR
dc.identifier.issn 1422-0067 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2023
utb.relation.volume 24
utb.relation.issue 12
dc.type article
dc.language.iso en
dc.publisher MDPI
dc.identifier.doi 10.3390/ijms24129924
dc.relation.uri https://www.mdpi.com/1422-0067/24/12/9924
dc.subject polypropylene en
dc.subject injection molding en
dc.subject mechanical testing en
dc.subject pigments en
dc.description.abstract Polypropylene (PP) belongs among the most important commodity plastics due to its widespread application. The color of the PP products can be achieved by the addition of pigments, which can dramatically affect its material characteristics. To maintain product consistency (dimensional, mechanical, and optical), knowledge of these implications is of great importance. This study investigates the effect of transparent/opaque green masterbatches (MBs) and their concentration on the physico-mechanical and optical properties of PP produced by injection molding. The results showed that selected pigments had different nucleating abilities, affecting the dimensional stability and crystallinity of the product. The rheological properties of pigmented PP melts were affected as well. Mechanical testing showed that the presence of both pigments increased the tensile strength and Young's modulus, while the elongation at break was significantly increased only for the opaque MB. The impact toughness of colored PP with both MBs remained similar to that of neat PP. The optical properties were well controlled by the dosing of MBs, and were further related to the RAL color standards, as demonstrated by CIE color space analysis. Finally, the selection of appropriate pigments for PP should be considered, especially in areas where dimensional and color stability, as well as product safety, are highly important. en
utb.faculty Faculty of Technology
utb.faculty University Institute
dc.identifier.uri http://hdl.handle.net/10563/1011595
utb.identifier.obdid 43884894
utb.identifier.scopus 2-s2.0-85163965468
utb.identifier.wok 001017332000001
utb.identifier.pubmed 37373072
utb.source J-wok
dc.date.accessioned 2023-09-05T23:17:38Z
dc.date.available 2023-09-05T23:17:38Z
dc.description.sponsorship Ministry of Education, Youth and Sports of the Czech Republic [RP/CPS/2022/007]; TBU in Zlin
dc.rights Attribution 4.0 International
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.rights.access openAccess
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Janoštík, Václav
utb.contributor.internalauthor Šenkeřík, Vojtěch
utb.contributor.internalauthor Maňas, Lukáš
utb.contributor.internalauthor Staněk, Michal
utb.contributor.internalauthor Cvek, Martin
utb.fulltext.sponsorship M.C. acknowledges the project DKRVO (RP/CPS/2022/007) supported by the Ministry of Education, Youth and Sports of the Czech Republic. This work was supported by the program for the support of the graduates of the doctoral study program at TBU in Zlin.
utb.wos.affiliation [Janostik, Vaclav; Senkerik, Vojtech; Manas, Lukas; Stanek, Michal] Tomas Bata Univ Zlin, Fac Technol, Vavreckova 5669, Zlin 76001, Czech Republic; [Cvek, Martin] Tomas Bata Univ Zlin, Univ Inst, Ctr Polymer Syst, Trida T Bati 5678, Zlin 76001, Czech Republic
utb.scopus.affiliation Faculty of Technology, Tomas Bata University in Zlin, Vavreckova 5669, Zlin, 760 01, Czech Republic; Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Trida T. Bati 5678, Zlin, 760 01, Czech Republic
utb.fulltext.projects DKRVO (RP/CPS/2022/007)
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Attribution 4.0 International Except where otherwise noted, this item's license is described as Attribution 4.0 International