Search Results - "Pomilovskis, Ralfs"

Bio-Based Polymer Developments from Tall Oil Fatty Acids by Exploiting Michael Addition by Pomilovskis, Ralfs, Mierina, Inese, Fridrihsone, Anda, Kirpluks, Mikelis

“…In this study, previously developed acetoacetates of two tall-oil-based and two commercial polyols were used to obtain polymers by the Michael reaction. The…”
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Impact of Different Epoxidation Approaches of Tall Oil Fatty Acids on Rigid Polyurethane Foam Thermal Insulation by Abolins, Arnis, Pomilovskis, Ralfs, Vanags, Edgars, Mierina, Inese, Michalowski, Slawomir, Fridrihsone, Anda, Kirpluks, Mikelis

“…A second-generation bio-based feedstock-tall oil fatty acids-was epoxidised via two pathways. Oxirane rings were introduced into the fatty acid carbon backbone…”
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Rapeseed Oil as Feedstock for Bio-Based Thermoset Foams Obtained via Michael Addition Reaction by Kirpluks, Mikelis, Abolins, Arnis, Eihe, Darta, Pomilovskis, Ralfs, Fridrihsone, Anda

“…Rapeseed oil was used to develop thermoset foams via Michael addition reaction by mixing two liquid components, Michael donor and Michael acceptor. The foaming…”
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Study of levoglucosenone obtained in analytical pyrolysis and screw-type reactor, separation and distillation by Dobele, Galina, Zhurinsh, Aivars, Volperts, Aleksandrs, Jurkjane, Vilhelmine, Pomilovskis, Ralfs, Meile, Kristine

“…This research is dedicated to the study on the formation of levoglucosenone and other main volatiles from the catalytic pyrolysis with the addition of…”
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Natural Oil-Based Rigid Polyurethane Foam Thermal Insulation Applicable at Cryogenic Temperatures by Uram, Katarzyna, Prociak, Aleksander, Vevere, Laima, Pomilovskis, Ralfs, Cabulis, Ugis, Kirpluks, Mikelis

“…This paper presents research into the preparation of rigid polyurethane foams with bio-polyols from rapeseed and tall oil. Rigid polyurethane foams were…”
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The Synthesis of Bio-Based Michael Donors from Tall Oil Fatty Acids for Polymer Development by Pomilovskis, Ralfs, Mierina, Inese, Beneš, Hynek, Trhlíková, Olga, Abolins, Arnis, Fridrihsone, Anda, Kirpluks, Mikelis

“…In this study, the synthesis of a Michael donor compound from cellulose production by-products—tall oil fatty acids—was developed. The developed Michael donor…”
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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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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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Evolution of 1,6-anhydrosugars in the pyrolysis of biomass with phosphoric acid and P-containing activated carbon by Zhurinsh, Aivars, Dobele, Galina, Pomilovskis, Ralfs, Volperts, Aleksandrs, Jurkjane, Vilhelmine

“…[Display omitted] •Hydrothermal pretreatment of wood promotes 1,6-anhydrosugars evolution in pyrolysis.•Selectivity and yield of levoglucosenone from H3PO4…”
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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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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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PLA reinforced with modified chokeberry pomace and beetroot pulp fillers. Effect of oligomeric chain extender on the properties of biocomposites by Czajka, Anna, Plichta, Andrzej, Bulski, Radosław, Pomilovskis, Ralfs, Iuliano, Anna, Cygan, Tomasz, Ryszkowska, Joanna

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Fast-curing bio-based thermoset foams produced via the Michael 1,4-addition using fatty acid-based acetoacetate and acrylate by Pomilovskis, Ralfs, Kaulina, Eliza, Abolins, Arnis, Mierina, Inese, Heinmaa, Ivo, Rjabovs, Vitalijs, Fridrihsone, Anda, Kirpluks, Mikelis

“…[Display omitted] •Bio-based polymer foams developed from tall oil-based acetoacetate and acrylate.•Bio-based foams developed offer a sustainable alternative…”
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Valorisation of food waste into bio-based polyurethane rigid foams: From experimental investigation to techno-economic analysis by Qin, Zi-Hao, Fridrihsone, Anda, Mou, Jin-Hua, Pomilovskis, Ralfs, Godina, Daniela, Miao, Yahui, Liu, Ziyao, Tsang, Chi-Wing, Zhang, Lin, Xu, Chunbao, Chopra, Shauhrat S., Kaulina, Eliza, Kirpluks, Mikelis, Lin, Carol Sze Ki

“…[Display omitted] •Chemical transformations of food waste lipid into polyurethane rigid foams (PURF).•Cost-effective enzyme dosages for efficient food waste…”
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