Studies on polyimides containing thermoplastic-thermosetting merged segments
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Yogesh S. Patel
Abstract
Polyimides (PIs) containing thermoplastic and thermosetting merged segments in a chain were developed via Diels-Alder (DA) polymerization of a bisfuran (BF), namely 2,5-bis(furan-2-ylmethylcarbamoyl)terephthalic acid and bismaleimides (BMI1 and BMI2). The intermediate DA polyadducts thus obtained, DAA1 and DAA2, were aromatized and imidized (cyclized) through carboxylic and amide groups in the presence of acetic anhydride, to afford PI1 and PI2. Synthesized DA polyadducts and PIs were characterized by elemental analysis, spectral features, number average molecular weight (Mn), degree of polymerization (Dp) and thermal analysis. Bulk polymerization was also carried out. The obtained bulk polymerization products (BPP1 and BPP2) were characterized by elemental analyses and Fourier transform infrared spectroscopy (FT-IR) analysis. The “in situ” void-free glass fiber reinforced composites GFRC1 and GFRC2 were prepared from the produced system and characterized by chemical, mechanical and electrical analysis. All of the composites depicted good mechanical and electrical properties and good resistance to organic solvents and mineral acids.
Acknowledgments
The author gratefully acknowledges the Head of the Department of Chemistry, S. P. University, Vallabh Vidyanagar for providing the necessary research facility.
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©2014 by Walter de Gruyter Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original articles
- Effect of shear factor on bubble nucleation of polystyrene using supercritical fluid as a foaming agent
- The application of carbon black and printing ink technology in molded interconnect devices
- Synthesis and performance of a self crosslinkable acrylate copolymer with high compatibility for an oil well cement modifier
- Preparation and properties of multilayered polymer/nanodiamond composites via an in situ technique
- Study of nanoclay blends based on poly(ethylene terephthalate)/poly(ethylene naphthalene 2,6-dicarboxylate) prepared by reactive extrusion
- Natural compounds as light stabilizer for a starch-based biodegradable polymer
- Studies on polyimides containing thermoplastic-thermosetting merged segments
- Synthesis and characterization studies of γ-radiation crosslinked poly(acrylic acid/2-acrylamido-2-methyl propane sulfonic acid) hydrogels
- Fabrication and characteristics study of ITO/DBSA/PSS/PPY/Al SCHOTTKY junction diode
- Hydrophobic property of hierarchical polymer surfaces fabricated by precision tooling machine
Articles in the same Issue
- Frontmatter
- Original articles
- Effect of shear factor on bubble nucleation of polystyrene using supercritical fluid as a foaming agent
- The application of carbon black and printing ink technology in molded interconnect devices
- Synthesis and performance of a self crosslinkable acrylate copolymer with high compatibility for an oil well cement modifier
- Preparation and properties of multilayered polymer/nanodiamond composites via an in situ technique
- Study of nanoclay blends based on poly(ethylene terephthalate)/poly(ethylene naphthalene 2,6-dicarboxylate) prepared by reactive extrusion
- Natural compounds as light stabilizer for a starch-based biodegradable polymer
- Studies on polyimides containing thermoplastic-thermosetting merged segments
- Synthesis and characterization studies of γ-radiation crosslinked poly(acrylic acid/2-acrylamido-2-methyl propane sulfonic acid) hydrogels
- Fabrication and characteristics study of ITO/DBSA/PSS/PPY/Al SCHOTTKY junction diode
- Hydrophobic property of hierarchical polymer surfaces fabricated by precision tooling machine
