Karol Leluk
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View article: Environmentally friendly poly(butylene succinate) composites with hemp shives
Environmentally friendly poly(butylene succinate) composites with hemp shives Open
Effect of hemp shives (30–90 v/v %; size 0.5 and 0.8 mm) on the structure (SEM), mechanical properties (tensile properties, impact strength) and thermal properties (thermal conductivity, Vicat softening temperature) and water absorption of…
View article: LUWEX Validation of Lunar Water Extraction and Purification Technologies for In-Situ Propellant and Consumables Production
LUWEX Validation of Lunar Water Extraction and Purification Technologies for In-Situ Propellant and Consumables Production Open
Sustainable space exploration necessitates advancements in In-Situ Resource Utilization (ISRU) technologies, particularly those utilizing local resources to generate products essential for robotic and human exploration. The ability to harn…
View article: Production of PETase by engineered Yarrowia lipolytica for efficient poly(ethylene terephthalate) biodegradation
Production of PETase by engineered Yarrowia lipolytica for efficient poly(ethylene terephthalate) biodegradation Open
There has been a growing interest in poly(ethylene terephthalate) PET degradation studies in the last few years due to its widespread use and large-scale plastic waste accumulation in the environment. One of the most promising enzymatic me…
View article: Metabolic engineering of Yarrowia lipolytica for poly(ethylene terephthalate) degradation
Metabolic engineering of Yarrowia lipolytica for poly(ethylene terephthalate) degradation Open
Polyethylene terephthalate (PET) is the most widely used plastic, whose global production scale causes serious problems due to it being highly non-biodegradable. The present work provides a novel approach to plastic degradation studies, wh…
View article: Study of Thermal, Mechanical and Barrier Properties of Biodegradable PLA/PBAT Films with Highly Oriented MMT
Study of Thermal, Mechanical and Barrier Properties of Biodegradable PLA/PBAT Films with Highly Oriented MMT Open
In order to improve the properties of biodegradable polylactide (PLA), mixtures with polybutylene adipate-co-terephthalate (PBAT) were prepared. PLA is a bio-based and renewable biodegradable material, made from starch. PBAT is a biodegrad…
View article: The Impact of Filler Geometry on Polylactic Acid-Based Sustainable Polymer Composites
The Impact of Filler Geometry on Polylactic Acid-Based Sustainable Polymer Composites Open
Recently, biocomposites have emerged as materials of great interest to the scientists and industry around the globe. Among various polymers, polylactic acid (PLA) is a popular matrix material with high potential for advanced applications. …
View article: A comprehensive assessment of microbiome diversity in Tenebrio molitor fed with polystyrene waste
A comprehensive assessment of microbiome diversity in Tenebrio molitor fed with polystyrene waste Open
Recently it was demonstrated that mealworm (Tenebrio molitor) larvae consume and biodegrade polystyrene. Thus, in this study a breeding investigation with various types of polystyrene was performed to follow the changes in the gut microbio…
View article: EFFECT OF CARBON BLACK ON THERMAL, MECHANICAL AND ELECTROCONDUCTIVE PROPERTIES OF MATER-BI MATRIX
EFFECT OF CARBON BLACK ON THERMAL, MECHANICAL AND ELECTROCONDUCTIVE PROPERTIES OF MATER-BI MATRIX Open
This paper evaluates the effects of carbon black incorporation on the mechanical and electroconductive properties of biodegradable materials.Biodegradable composites based on Mater-Bi ® (MB) filled with 1, 2 or 4 wt% carbon black (CB) were…
View article: A FULLY BIODEGRADABLE PLA/PBS COMPOSITE REINFORCED WITH WOOD FLOUR
A FULLY BIODEGRADABLE PLA/PBS COMPOSITE REINFORCED WITH WOOD FLOUR Open
The development rate of the biodegradable polymers market has been rising year by year, mainly due to the increasing demand of replacing non-biodegradable polymer plastics with their environment-friendly representatives.In spite of this, t…
View article: Food Packaging
Food Packaging Open
Because of the increasing pressure on both food safety and packaging/food waste, the topic is important both for academics, applied research, industry and also for environment protection. Different materials, such as glass, metals, paper a…
View article: PLA – based electrospun structures
PLA – based electrospun structures Open
Polymer matrix (MATER-BI) electrospinning tests were carried out under various process conditions. Structures with a diversified morphology have been obtained. Changing the parameters of electrospinning process (mainly voltage and solution…
View article: Unique properties of Ecoflex® electrospun structures
Unique properties of Ecoflex® electrospun structures Open
Electrospinning of biodegradable poly(butylene adipate-co-terephthalate) has been performed. Alternation of process parameters resulted in slight changes in the surface structure morphology of the obtained fibres which was evaluated by usi…
View article: Evaluation of the Rosemary Extract Effect on the Properties of Polylactic Acid-Based Materials
Evaluation of the Rosemary Extract Effect on the Properties of Polylactic Acid-Based Materials Open
New multifunctional materials containing additives derived from natural resources as powdered rosemary ethanolic extract were obtained by melt mixing and processed in good conditions without degradation and loss of additives. Incorporation…
View article: Man-Made and Natural Fibres as a Reinforcement in Fully Biodegradable Polymer Composites: A Concise Study
Man-Made and Natural Fibres as a Reinforcement in Fully Biodegradable Polymer Composites: A Concise Study Open
Biodegradable and ecologically friendly polymer materials attract great attention of many scientific groups in the world as they fit well in the sustainable development policy and are considered to be "a right thing to do" by the general p…
View article: An openwork like structures of polylactide – manufacturing and properties
An openwork like structures of polylactide – manufacturing and properties Open
Poly(lactic acid) electrospinning tests were carried out under various process conditions. Openwork structures with a high surface area to weight ratio have been obtained. Changing the parameters of the PLA electrospinning process resulted…
View article: Polycaprolactone – new insight into classic material
Polycaprolactone – new insight into classic material Open
An investigation on electrospinning of polycaprolactone polymer solution was provided in different process conditions. Although, in all attempts a structure of highly surface-to-mass ratio was achieved, alternation of spinning parameters r…
View article: Improvement of Interaction in a Composite Structure by Using a Sol-Gel Functional Coating on Carbon Fibers
Improvement of Interaction in a Composite Structure by Using a Sol-Gel Functional Coating on Carbon Fibers Open
The modification of carbon fibers for improving adhesion between fibers and an epoxy resin in composite materials has become the focus of attention. In this work the carbon fiber coating process has been devised in a way preventing the sti…
View article: The effectiveness of the biodegradation of raw and processed polystyrene by mealworms
The effectiveness of the biodegradation of raw and processed polystyrene by mealworms Open
In our studies biodegradation of four variants of polystyrene was performed. We tested: raw material (PS), processed polystyrene (PSr), building insulation material (EPS) and food packaging boxes (PSp). Materials were characterized by mean…