Preparation of photochromic isotactic polypropylene filaments: influence of drawing ratio on their optical, thermal and mechanical properties

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dc.contributor.authorPeriyasamy, Aravin Prince
dc.contributor.authorViková, Martina
dc.contributor.authorVik, Michal
dc.date.accessioned2020-05-07T06:44:35Z
dc.date.available2020-05-07T06:44:35Z
dc.date.issued2020
dc.description.abstractIn this research, metallocene catalyst isotactic polypropylene (miPP) filaments were produced with different concentrations of photochromic pigments to develop ultraviolet (UV) sensing materials. The produced miPP filaments showed good photochromic response under UV irradiation. In this work, six drawing ratios were applied to get the final product (miPP filament). Resultant filaments showed significant photochromic responses, such as Kubelka–Munk values (K/S). The interesting observation was that the photochromic response was indirectly proportional to the applied drawing ratio. The photochromic color build was found to be maximum with the highest concentration of pigment as well as the lowest drawing ratio. Overall, it was observed that the thermal properties were significantly dependent on the drawing ratio. The changes in thermal properties, such as Tm, ΔHm and ΔSm, for miPP filaments in dependence on photochromic pigment concentration was significantly less as compared to the drawing ratios. The thermal properties improved with the drawing ratio, which directly influenced the crystallinity of produced miPP filaments. The addition of photochromic pigment to the miPP filaments increased the crystallinity by 14%. Also, the lamella thickness increased with increasing the drawing ratio. However, there was no significant effect of pigment concentration on lamella thickness. In this experimental work, the impact of drawing ratio on the optical, thermal and mechanical properties of photochromic miPP filaments was investigated.cs
dc.format.extent13 strancs
dc.identifier.WebofScienceResearcherIDM-8714-2015 Viková, Martina
dc.identifier.WebofScienceResearcherIDM-8675-2015 Vik, Michal
dc.identifier.doi10.1177/0040517520912037
dc.identifier.issn405175
dc.identifier.orcid0000-0003-4148-5166 Periyasamy, Aravin Prince
dc.identifier.orcid0000-0002-6254-4834 Viková, Martina
dc.identifier.orcid0000-0002-1170-2388 Vik, Michal
dc.identifier.urihttps://dspace.tul.cz/handle/15240/154803
dc.identifier.urihttps://journals.sagepub.com/doi/10.1177/0040517520912037
dc.language.isocscs
dc.publisherSAGE Publications Ltd
dc.relation.ispartofTextile Research Journal 2020
dc.subjectcolorationcs
dc.subjectcrystallinitycs
dc.subjectdrawing processcs
dc.subjectlamella thicknesscs
dc.subjectmass colorationcs
dc.subjectmechanical propertiescs
dc.subjectphotochromismcs
dc.subjectpolypropylenecs
dc.titlePreparation of photochromic isotactic polypropylene filaments: influence of drawing ratio on their optical, thermal and mechanical propertiescs
local.identifier.publikace7625
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