引用本文:
Khalil Faghihi, Hamidreza Alimohammadi. Synthesis and characterization of new optically active copoly(amid-imide)s based on N-phthalimido-L-aspartic acid and aromatic diamines[J]. Chinese Chemical Letters,
2010, 21(4): 407-411.
doi:
10.1016/j.cclet.2009.12.007
Citation: Khalil Faghihi, Hamidreza Alimohammadi. Synthesis and characterization of new optically active copoly(amid-imide)s based on N-phthalimido-L-aspartic acid and aromatic diamines[J]. Chinese Chemical Letters, 2010, 21(4): 407-411. doi: 10.1016/j.cclet.2009.12.007
Citation: Khalil Faghihi, Hamidreza Alimohammadi. Synthesis and characterization of new optically active copoly(amid-imide)s based on N-phthalimido-L-aspartic acid and aromatic diamines[J]. Chinese Chemical Letters, 2010, 21(4): 407-411. doi: 10.1016/j.cclet.2009.12.007
Synthesis and characterization of new optically active copoly(amid-imide)s based on N-phthalimido-L-aspartic acid and aromatic diamines
摘要:
In this article,six new optically active copoly(amide-imide)s (10a-f) were synthesized through the direct polycondensation reaction of N-phthalimido-L-aspartic acid(4)with 1,5-diamino naphthalene(8),3,4-diainino benzophenone(9) in the presence of therphthalic acid(7),fumaric acid (6) and adipic acid (5) as a second diacid in a medium consisting of N-methyl-2-pyrrolidone,triphenyl phosphite,calcium chloride and pyridine.The resulting copolymers were fully characterized by means of FT-IR spectroscopy,elemental analyses,inherent viscosity,solubility tests and UV-vis spectroscopy.Thermal properties of resulting copolymers (10a-c) containing three different second diacid in the main chain were compared by using TGA and DTG thermograms.
English
Synthesis and characterization of new optically active copoly(amid-imide)s based on N-phthalimido-L-aspartic acid and aromatic diamines
Abstract:
In this article,six new optically active copoly(amide-imide)s (10a-f) were synthesized through the direct polycondensation reaction of N-phthalimido-L-aspartic acid(4)with 1,5-diamino naphthalene(8),3,4-diainino benzophenone(9) in the presence of therphthalic acid(7),fumaric acid (6) and adipic acid (5) as a second diacid in a medium consisting of N-methyl-2-pyrrolidone,triphenyl phosphite,calcium chloride and pyridine.The resulting copolymers were fully characterized by means of FT-IR spectroscopy,elemental analyses,inherent viscosity,solubility tests and UV-vis spectroscopy.Thermal properties of resulting copolymers (10a-c) containing three different second diacid in the main chain were compared by using TGA and DTG thermograms.
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Key words:
- High-performance polymers
- / Copoly(amide-imide)s
- / Direct polycondensation
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