A quantitative analysis of the morphology, as well as an analysis of the distribution of components and surface/interfacial properties in poly(lactic acid)(PLA) InegoTM 3251D, poly(ε-caprolactone) (PCL) Capa 6800 and nano-silica (SiO) Aerosil200 blends, was conducted in this research. The study aimed to improve the understanding of how PLA, PCL, and nano-SiO interact, resulting in the specific morphology and surface properties of the blends. Samples were produced by varying the concentration of all three components.
View Article and Find Full Text PDFIn this study, the mechanical and thermal properties of poly(lactic acid) (PLA) blends with an addition of poly(ε-caprolactone) (PCL) and fumed silica (SiO) were evaluated to research the possibility of their use as relief printing plates for embossing processes. PCL and nano-silica were added to the PLA matrix at different concentrations. Morphological, thermal and mechanical analyses were performed to determine the properties and possible functional characteristics of the studied blends.
View Article and Find Full Text PDFThe aim of the study was to analyse the colour fastness of 3D printed samples that could be used as decorative or household items. Such items are often fabricated with 3D printing. The colour of filaments affects not only the mechanical properties, but also the appearance and user satisfaction.
View Article and Find Full Text PDFPolylactic acid (PLA) is one of the most suitable materials for 3D printing. Blending with nanoparticles improves some of its properties, broadening its application possibilities. The article presents a study of composite PLA matrix filaments with added unmodified and lignin/polymerised lignin surface-modified nanofibrillated cellulose (NFC).
View Article and Find Full Text PDFIn a world with different readers with varying needs, the idea that readers might be given the option of text formatting their own text in advance seems very appealing. In this research, differences between reading speed, reading comprehension, and reading comfort were compared with the pre-set and self-set texts. The respondents read paragraphs and identified illogical words contained therein, while reading two comparable blocks of self-set and pre-set texts.
View Article and Find Full Text PDFIn the material extrusion of the thermoplastic filaments, known as Fused Deposition Modelling, usually, pure thermoplastic polymers are used. Recently, the focus of the research is given to the development of new biocomposite thermoplastic materials. In our research, 3D printable biocomposite filaments, made with the addition of 50 wt.
View Article and Find Full Text PDFThe objective of the research was to compare the porosity/compactness of the knitted structures made from viscose and polyacrylonitrile yarns with incorporated elastane and without elastane, respectively, and to evaluate the elastane addition impact to their moisture management and air permeability properties. The addition of elastane considerably reduces the wettability of the wet relaxed viscose knits, while it moderately increases the wettability of the wet relaxed polyacrylonitrile knits. The polyacrylonitrile knits exhibit distinctively better wickability than comparable viscose knits.
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