Search Results - "Kirpluks, Mikelis"

Effect of bio-polyol molecular weight on the structure and properties of polyurethane-polyisocyanurate (PUR-PIR) foams by Olszewski, Adam, Kosmela, Paulina, Vēvere, Laima, Kirpluks, Mikelis, Cabulis, Ugis, Piszczyk, Łukasz

“…The increasing interest in polyurethane materials has raised the question of the environmental impact of these materials. For this reason, the scientists aim…”
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Thermal Insulating Rigid Polyurethane Foams with Bio-Polyol from Rapeseed Oil Modified by Phosphorus Additive and Reactive Flame Retardants by Zemła, Marcin, Prociak, Aleksander, Michałowski, Sławomir, Cabulis, Ugis, Kirpluks, Mikelis, Simakovs, Kirils

“…In this article, rigid polyurethane foams obtained with the addition of a bio-polyol from rapeseed oil, were modified with the dimethyl propane phosphonate as…”
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Tall Oil Fatty Acid Epoxidation Using Homogenous and Heterogeneous Phase Catalysts by Abolins, Arnis, Kirpluks, Mikelis, Vanags, Edgars, Fridrihsone, Anda, Cabulis, Ugis

“…Tall oil fatty acids were epoxidized by in-situ generation of peracetic acid in the presence of two different acidic catalysts, commonly used catalyst—sulfuric…”
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Screening Life Cycle Assessment of Tall Oil-Based Polyols Suitable for Rigid Polyurethane Foams by Fridrihsone, Anda, Abolins, Arnis, Kirpluks, Mikelis

“…A screening Life Cycle Assessment (LCA) of tall oil-based bio-polyols suitable for rigid polyurethane (PU) foams has been carried out. The goal was to identify…”
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Rigid Polyurethane Foam Thermal Insulation Protected with Mineral Intumescent Mat by Kirpluks, Mikelis, Cabulis, Ugis, Zeltins, Viesturs, Stiebra, Laura, Avots, Andris

“…One of the biggest disadvantages of rigid polyurethane (PU) foams is its low thermal resistance, high flammability and high smoke production. Greatest…”
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Conversion of food waste-derived lipid to bio-based polyurethane foam by Lin, Carol Sze Ki, Kirpluks, Mikelis, Priya, Anshu, Kaur, Guneet

“…Food waste contains complex nutrients such as carbohydrates, fats, proteins which could be broken down into simpler substrates such as sugars (e.g., glucose),…”
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Wood pulp industry by-product valorization for acrylate synthesis and bio-based polymer development via Michael addition reaction by Pomilovskis, Ralfs, Kaulina, Eliza, Mierina, Inese, Abolins, Arnis, Kockova, Olga, Fridrihsone, Anda, Kirpluks, Mikelis

“…It is crucial to adapt the processing of forest bio-resources into biochemicals and bio-based advanced materials in order to transform the current economic…”
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Effect of Intumescent Flame Retardants on the Properties of Polyurethanes Based on Tall Oil Fatty Acids Esters by Yakushin, Vladimir, Sevastyanova, Irina, Vilsone, Dzintra, Kirpluks, Mikelis

“…<span style="font-size: 9.0pt; font-family: "Times New Roman"; mso-fareast-font-family: "Times New Roman"; mso-ansi-language: EN-GB; mso-fareast-language: LT;…”
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Thermal degradation of highly crosslinked rigid PU-PIR foams based on high functionality tall oil polyol by Reinerte, Sanita, Kirpluks, Mikelis, Cabulis, Ugis

“…This study presents the development and analysis of rigid polyurethane-polyisocyanurate (PU-PIR) foam synthesized from high functionality tall oil (TO) based…”
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The influence of crude glycerol and castor oil-based polyol on the structure and performance of rigid polyurethane-polyisocyanurate foams by Hejna, Aleksander, Kirpluks, Mikelis, Kosmela, Paulina, Cabulis, Ugis, Haponiuk, Józef, Piszczyk, Łukasz

“…•Crude glycerol-based polyol was used to produce rigid PU-PIR foams.•Crude glycerol-based polyol enhance compressive performance of PU-PIR foams.•Use of…”
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A Review of Wood Biomass-Based Fatty Acids and Rosin Acids Use in Polymeric Materials by Vevere, Laima, Fridrihsone, Anda, Kirpluks, Mikelis, Cabulis, Ugis

“…In recent decades, vegetable oils as a potential replacement for petrochemical materials have been extensively studied. Tall oil (crude tall oil, distilled…”
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Rapeseed oil as feedstock for the polymeric materials via Michael addition reaction by Abolins, Arnis, Eihe, Darta, Pomilovskis, Ralfs, Fridrihsone, Anda, Kirpluks, Mikelis

“…Rapeseed oil was used to synthesize a Michael donor to obtain polymeric materials after nucleophilic polymerization via Michael reaction. Four different…”
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The Effect of Crosslink Density on the Physical and Mechanical Properties of Bio‐Based Polyurethane Foams by Andersons, Janis, Cabulis, Peteris, Kirpluks, Mikelis

“…Rigid low‐density closed‐cell polyurethane foams with different crosslink densities have been produced using biobased polyols derived from tall oil. Mechanical…”
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Polyurethane–polyisocyanurate foams modified with hydroxyl derivatives of rapeseed oil by Kurańska, Maria, Prociak, Aleksander, Kirpluks, Mikelis, Cabulis, Ugis

“…•Process of thermal degradation of polyurethane–polyisocyanurate foams depend on type of bio-polyol.•Bio-polyols obtained using amines increase oxygen index of…”
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Chemo-enzymatic oxidation of tall oil fatty acids as a precursor for further polyol production by Kirpluks, Mikelis, Vanags, Edgars, Abolins, Arnis, Fridrihsone, Anda, Cabulis, Ugis

“…A second generation renewable raw material – tall oil, which is a by-product of the cellulose pulping, was valorised for polyol precursor synthesis. Tall oil…”
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Reinforcement Efficiency of Cellulose Microfibers for the Tensile Stiffness and Strength of Rigid Low-Density Polyurethane Foams by Andersons, Jānis, Kirpluks, Mikelis, Cabulis, Ugis

“…Rigid low-density closed-cell polyurethane (PU) foams are widely used in both thermal insulation and structural applications. The sustainability of PU foam…”
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Influence of different synthesis conditions on the chemo-enzymatic epoxidation of tall oil fatty acids by Kirpluks, Mikelis, Pomilovskis, Ralfs, Vanags, Edgars, Abolins, Arnis, Mierina, Inese, Fridrihsone, Anda

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Cleaner production of polyurethane foam: Replacement of conventional raw materials, assessment of fire resistance and environmental impact by Kairytė, Agnė, Kirpluks, Mikelis, Ivdre, Aiga, Cabulis, Ugis, Vaitkus, Saulius, Pundienė, Ina

“…This work presents the results in the field of materials engineering, and they are related to recycling of paper production waste sludge particles at amounts…”
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Epoxidation of Tall Oil Fatty Acids and Tall Oil Fatty Acids Methyl Esters Using the SpinChem® Rotating Bed Reactor by Polaczek, Krzysztof, Kaulina, Eliza, Pomilovskis, Ralfs, Fridrihsone, Anda, Kirpluks, Mikelis

“…Tall oil fatty acids are a second-generation bio-based feedstock finding application in the synthesis of polyurethane materials. The study reported tall oil…”
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Effect of bio-polyols with different chemical structures on foaming of polyurethane systems and foam properties by Prociak, Aleksander, Kurańska, Maria, Cabulis, Ugis, Ryszkowska, Joanna, Leszczyńska, Milena, Uram, Katarzyna, Kirpluks, Mikelis

“…•Chemical structure of bio-polyol has significant influence on PUR properties.•The structures of the bio-polyols have a significant effect on the reactivity of…”
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