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Preparation and Characterization of Optically Active Polyamides Based on 3-Phenyl-2-(9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboximido)propanoylamino in 1,3-Dipropylimidazolium Bromide
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  • Preparation and Characterization of Optically Active Polyamides Based on 3-Phenyl-2-(9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboximido)propanoylamino in 1,3-Dipropylimidazolium Bromide
  • Preparation and Characterization of Optically Active Polyamides Based on 3-Phenyl-2-(9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboximido)propanoylamino in 1,3-Dipropylimidazolium Bromide
저자명
Mallakpour. Shadpour,Rafiee. Zahra
간행물명
Macromolecular research
권/호정보
2011년|19권 4호|pp.332-337 (6 pages)
발행정보
한국고분자학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The exploitation of ionic liquids (IL)s for the preparation and use of non-vinyl macromolecules brings together two of the most stimulating and promising areas of research from recent years. In this study, IL, 1,3-dipropylimidazolium bromide, was examined as a replacement for volatile toxic organic solvents for the direct polycondensation of chiral dicarboxylic acid monomer, 5-[3-phenyl-2-(9, 10-dihydro-9,10-ethanoanthracene-11,12-dicarboximido)propanoylamino]isophthalic acid (1) with diverse aromatic diamines (2a-2g). The optically active polyamides (PA)s were obtained in 80-98% yield and the inherent viscosities in the range of $0.39-0.69;dLg^{-1}$. The higher inherent viscosities and thermal stability were found in this IL compared to analogous compounds in organic solvents under milder reaction conditions. The yields of the PAs were comparable. All the polymers were amorphous and exhibited excellent solubility in many organic solvents. The procedure was found to be an efficient and green technique for the synthesis of the aforementioned PAs. The PAs were characterized by FTIR, specific rotation, $^1H$ NMR, elemental analysis, thermogravimetric analysis (TGA), differential scanning calorimetry and X-ray diffraction.