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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Benzoxazine"”.
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Design of Functional Benzoxazine Materials Via Thiol-Mediated Reactions
<p>The syntheses of functional benzoxazine monomers based on phenol and either propargyl amine or allyl amine were carried out to investigate the effect of introducing benzoxazines into thiol-alkyne or thiol-alkene networks on the thermal and mechanical properties of the networks. The thiol-alkyne …
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Towards Sustainable Braking: Effects of Alternative Ingredients on the Tribological Properties of Friction Materials
… of the conventional phenolic resin binder with benzoxazine resins. The tribological and PM emission properties of friction material samples produced using these ingredients were investigated via tribological testing, and were correlated to the results of the characterization analyses that were …
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Effects of Polybenzoxazine on Properties of Shape-Memory Polyurethanes with Glassy and Crystalline Soft Segments
… additives. In the current study, a typical polybenzoxazine (PB) formulation was incorporated in SMPUs in order to augment the shape memory properties of SMPU. The thermal transition temperature was determined by the glassy or crystalline soft domain of polyurethanes (PU) with respectively glass …
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Design and synthesis of novel biologically active flavones and isoflavones
… by replacing the benzopyran core with 1,4-benzoxazine, which required the development of an alternative strategy. The synthesis of the benzoxazine ring was achieved by reduction of the nitro group and subsequent reductive amination of readily available precursors …
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Synthesis of fluorescent analogues of a-tocopherol as ligands for the human a-tocopherol transfer protein (a-TTP) /
… chloride, and I-methyl-2H-3,1-benzoxazine-2,4(1H)dione), followed by deprotection of the phenolic silyl group, gave the desired fluorescent ligands la-d, 2a-d, 3a-d and 4a-d in good yield. Assessment of their binding affinities with recombinant human a-tocopherol transfer …
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Aerogels for energy storage applications: From shape memory materials to thermites and explosives
… reduction of interpenetrating networks of polybenzoxazine and iron oxide nanoparticles. Excess carbon was removed oxidatively at 600 ⁰C under flowing air and the oxides of Fe(0) thus produced in the oxidative step were reduced back to Fe(0) with H<sub>2</sub> at different temperatures ranging …