14 research outputs found
Synthesis and characterization of partially bio-based polyimides based on biphenylene-containing diisocyanate derived from vanillic acid
No full textA new bio-based biphenylene-containing diisocyanate, namely, 5,5'-diisocyanato-2,2',3,3'-tetramethoxy-1,1'-biphenyl (BDI) was synthesized starting from vanillic acid-a lignin-derived phenolic acid. A series of new partially bio-based polyimides was prepared by polycondensation of BDI with five commercially available aromatic dianhydrides. Polyimides exhibited good solubility in organic solvents and medium molecular weights (Mn (GPC, polystyrene standard) = 25,100-32,200 g mol-1). Polyimides showed good thermal stability with 10 % degradation temperature and glass transition temperature in the range 459-473°C and 262-329°C, respectively
Synthesis of highly thermally stable divanillic acid-derived polyamides and their mechanical properties
No full textPartially bio-based aromatic polyimides derived from 2,5-furandicarboxylic acid with high thermal and mechanical properties
No full textPoly(ether urethane)s from aromatic diisocyanates based on lignin-derived phenolic acids
No full textAerobic Oxidation of Isoeugenol to Vanillin with Copper Oxide Doped Reduced Graphene Oxide
No full textSynthesis and characterization of lignin-poly(acrylamide)-poly(2-methacryloyloxyethyl) trimethyl ammonium chloride copolymer
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Dynamic chemistry based self-healing of asphalt modified by diselenide-crosslinked polyurethane elastomer
No full textNew poly(ether urethane)s based on lignin derived aromatic chemicals via A-B monomer approach: Synthesis and characterization
No full textPartially bio-based poly(amide imide)s by polycondensation of aromatic diacylhydrazides based on lignin-derived phenolic acids and aromatic dianhydrides: Synthesis, characterization, and computational studies
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