{"id":657,"date":"2020-06-05T15:39:57","date_gmt":"2020-06-05T12:39:57","guid":{"rendered":"https:\/\/www.slts.fi\/from-forest-industry-waste-streams-to-new-urethanes-and-polyurethanes-value-from-lignin-degradation\/"},"modified":"2024-11-22T15:14:02","modified_gmt":"2024-11-22T13:14:02","slug":"from-forest-industry-waste-streams-to-new-urethanes-and-polyurethanes-value-from-lignin-degradation","status":"publish","type":"post","link":"https:\/\/www.slts.fi\/en\/from-forest-industry-waste-streams-to-new-urethanes-and-polyurethanes-value-from-lignin-degradation\/","title":{"rendered":"From forest industry waste streams to new urethanes and polyurethanes: value from Lignin degradation"},"content":{"rendered":"<p>Ended year 2022<\/p>\n<h3>Researcher<\/h3>\n<p><strong>Veronika Badazhkova<\/strong>, Doctoral Student, \u00c5bo Akademi University<\/p>\n<h3>Supervisors<\/h3>\n<p>Professor Reko Leino (Principal investigator), Dr. Risto Savela and Dr. Patrik Eklund<\/p>\n<h3>Site of Research<\/h3>\n<p>Johan Gadolin Process Chemistry Centre, Laboratory of Molecular Science and Technology, \u00c5bo Akademi University<\/p>\n<h2>Description of the project:<\/h2>\n<p>Polyurethanes belong to the most important polymeric materials and, due to their highly versatile properties, are used in several different applications, including tubings, footwear, industrial machinery, coatings and paints, elastic fibers, rigid insulations, soft flexible foams and medical devices. Traditionally, polyurethanes are produced from isocyanate monomers, which are often highly toxic and moisture sensitive. Alternatively, properly sized cyclic carbamates could be polymerized by cationic ring opening polymerization. A possible biomass based feedstock for polyurethanes could be lignin. It is one of the most abundant organic polymers available on earth, constituting ~30% of non-fossil based carbon and approximately 20-35% of dry mass of wood. Comprised of aromatic monomers, lignin can be considered as one of the most abundant natural resources for future aromatic platform chemicals. Suitable cyclic carbamates could be prepared catalytically from lignin by alcohol amination reaction followed by carbon dioxide fixation, thus allowing the minimization of chemical waste formed in process. The objective of this project is to discover suitable methodologies for the utilization of waste streams from Finnish forest industry to facilitate the production of biomass based polyurethanes.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-157\" src=\"https:\/\/www.slts.fi\/wpc\/uploads\/2024\/11\/Veronika-Badazhkova-slider.jpg\" alt=\"\" width=\"337\" height=\"450\" srcset=\"https:\/\/www.slts.fi\/wpc\/uploads\/2024\/11\/Veronika-Badazhkova-slider.jpg 337w, https:\/\/www.slts.fi\/wpc\/uploads\/2024\/11\/Veronika-Badazhkova-slider-225x300.jpg 225w, https:\/\/www.slts.fi\/wpc\/uploads\/2024\/11\/Veronika-Badazhkova-slider-67x90.jpg 67w\" sizes=\"auto, (max-width: 337px) 100vw, 337px\" \/><\/p>\n<p><em>Veronika Badazhkova, Doctoral Student, \u00c5bo Akademi University<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ended year 2022 Researcher Veronika Badazhkova, Doctoral Student, \u00c5bo Akademi University Supervisors Professor Reko Leino (Principal investigator), Dr. Risto Savela and Dr. Patrik Eklund Site&#8230;<\/p>\n","protected":false},"author":1,"featured_media":221,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,45],"tags":[],"class_list":["post-657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-completed-projects","category-projects"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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