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Wood pulp industry by-product valorization for acrylate synthesis and bio-based polymer development via Michael addition reaction

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生物质资源与工程(英文) 2023年第3期8卷 265-279页

作者： Ralfs Pomilovskis eliza kaulina Inese Mierina Arnis Abolins Olga Kockova Anda Fridrihsone Mikelis Kirpluks Polymer Laboratory Latvian State Institute of Wood ChemistryRiga LV-1006Latvia Institute of Technology of Organic Chemistry Faculty of Materials Science and Applied ChemistryRiga Technical UniversityRiga LV-1048Latvia Institute of Macromolecular Chemistry CAS Prague 16200Czech Republic

It is crucial to adapt the processing of forest bio-resources into biochemicals and bio-based ad-vanced materials in order to transform the current economic climate into a greener *** oil,as a by-product of the Kraft process of wood pulp manufacture,is a promising resource for the extraction of various value-added *** oil fatty acids-based multifunctional Michael acceptor acrylates were *** suitability of developed acrylates for polymerization with tall oil fatty acids-based Michael donor acetoacetates to form a highly cross-linked polymer ma-terial via the Michael addition was *** this novel strategy,valuable chemicals and innovative polymer materials can be produced from tall oil in an entirely new way,making a significant contribution to the development of a forest-based *** different tall oil-based acrylates were successfully synthesized and *** acrylates were successfully used in the synthesis of bio-based thermoset *** polymers had a wide variety of mechanical and thermal properties(glass transition temperature from-12.1 to 29.6°C by dynamic mechanical analysis,Young’s modulus from 15 to 1760 MPa,and stress at break from 0.9 to 16.1 MPa).Gel permeation chromatography,Fourier-transform infrared(FT-IR)spectroscopy,matrix-assisted laser desorption/ionization-time of flight mass spectrometry,and nuclear magnetic resonance were used to analyse the chemical structure of synthesized *** addition,various titration methods and rheology tests were applied to characterize *** chemical composition and thermal and mechanical properties of the developed polymers were studied by using FT-IR,solid-state nuclear magnetic resonance,thermal gravimetric analy-sis,differential scanning calorimetry,dynamic mechanical analysis,and universal strength testing apparatus.

关键词： Tall oil fatty acid Fatty acids-based michael acceptor Bio-based acrylate Michael addition Bio-based polymer

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