POLYCONDENSATION REACTION OF N,N'-(4,4'-OXYDIPHTHALOYL)-BIS-L-ISOLEUCINE DIACID CHLORIDE WITH AROMATIC DIAMINES

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MALAKPOUR SH.; KOSARI ELAHEH

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Journal Paper

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Journal: Iranian Polymer Journal Year:2005 | Volume:14 | Issue:9 (63) Page(s): 799-806

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Title

POLYCONDENSATION REACTION OF N,N'-(4,4'-OXYDIPHTHALOYL)-BIS-L-ISOLEUCINE DIACID CHLORIDE WITH AROMATIC DIAMINES

Author(s)

MALAKPOUR SH. | KOSARI ELAHEH | Issue Writer Certificate

Keywords

POLYCONDENSATION

REFLUX CONDITIONS

PHYSICAL PROPERTIES

SPECIFIC ROTATION

ELEMENTAL ANALYSES

AMINO ACID

Abstract

4,4'-Oxydiphthalic anhydride (1) was reacted with L-isoleucine (2) in acetic acid and the resulting imide-acid (3) was obtained in high yield. The diacid chloride 4 was obtained from diacid derivative (3) by reaction with excess thionyl chloride. The POLYCONDENSATION reaction of diacid chloride 4 with several aromatic diamines such as 4,4"-sulphonyldianiline (5a), 4,4'-diaminodiphenyl methane (5b), 4,4'-diaminodiphenylether (5c), p-phenylenediamine (5d), m-phenylenediamine (5e), and 4,4'-diaminobiphenyl (5f) was accomplished by two conventional methods: low temperature solution POLYCONDENSATION and short period REFLUX CONDITIONS. In order to evaluate conventional solution POLYCONDENSATION reaction methods with microwave-assisted POLYCONDENSATION, the reactions were also carried out under microwave conditions in the presence of small amount of o-cresol that acts as a primary microwave absorber. The reaction mixture was irradiated for 6 min with 100% of radiation power. A series of new optically active poly(amide-imide)s (PAIs) with inherent viscosity ranging from 0.22-0.44 dL/g has been prepared with high yield. All of the above polymers were fully characterized by FTIR, ELEMENTAL ANALYSES and SPECIFIC ROTATION techniques.

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APA: Copy

MALAKPOUR, SH., & KOSARI, ELAHEH. (2005). POLYCONDENSATION REACTION OF N,N'-(4,4'-OXYDIPHTHALOYL)-BIS-L-ISOLEUCINE DIACID CHLORIDE WITH AROMATIC DIAMINES. IRANIAN POLYMER JOURNAL (ENGLISH), 14(9 (63)), 799-806. SID. https://sid.ir/paper/529276/en

Vancouver: Copy

MALAKPOUR SH., KOSARI ELAHEH. POLYCONDENSATION REACTION OF N,N'-(4,4'-OXYDIPHTHALOYL)-BIS-L-ISOLEUCINE DIACID CHLORIDE WITH AROMATIC DIAMINES. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2005;14(9 (63)):799-806. Available from: https://sid.ir/paper/529276/en

IEEE: Copy

SH. MALAKPOUR, and ELAHEH KOSARI, “POLYCONDENSATION REACTION OF N,N'-(4,4'-OXYDIPHTHALOYL)-BIS-L-ISOLEUCINE DIACID CHLORIDE WITH AROMATIC DIAMINES,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 14, no. 9 (63), pp. 799–806, 2005, [Online]. Available: https://sid.ir/paper/529276/en

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