SYNTHESIS AND CHARACTERIZATION OF NOVEL POLYAMIDES CONTAINING AZOBENZENE UNITS AND TETRAHYDROPYRIMIDINONE AND TETRAHYDRO-2-THIOXOPYRIMIDINE DERIVATIVES BY MICROWAVE ASSISTED POLYCONDENSATION

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FAGHIHI KH.; FOUROGHI FAR N.; ZAMANI KH.; HAJIBEYGI M.; MALAKPOUR SH.

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Journal: Iranian Polymer Journal Year:2003 | Volume:12 | Issue:4 Page(s): 339-346

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Title

SYNTHESIS AND CHARACTERIZATION OF NOVEL POLYAMIDES CONTAINING AZOBENZENE UNITS AND TETRAHYDROPYRIMIDINONE AND TETRAHYDRO-2-THIOXOPYRIMIDINE DERIVATIVES BY MICROWAVE ASSISTED POLYCONDENSATION

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Keywords

4Q4

4Í-AZODIBENZOYL CHLORIDEQ4

TETRAHYDROPYRIMIDINONE AND TETRAHYDRO-2-THIOXOPYRIMIDINE COMPOUNDSQ4

MICROWAVE ASSISTED POLYCONDENSATIONQ4

INHERENT VISCOSITYQ4

Abstract

Rapid and highly efficient synthesis of polyamides were achieved under microwave irradiation by using a domestic microwave oven from the polycondensation reactions of 4,4Í-AZODIBENZOYL CHLORIDE [4,4í-azobenzenedicarboxylic acid] with seven different derivatives of TETRAHYDROPYRIMIDINONE AND TETRAHYDRO-2-THIOXOPYRIMIDINE COMPOUNDS in the presence of a small amount of a nonpolar organic medium that acts as a primary microwave absorber. Suitable organic media were o-cresol. The polycondensation proceeded rapidly, and compared with the conventional melt polycondensation and solution polycondensation it was almost completed between 8-12 min giving a series of polyamides with inherent viscosities about 0.22-0.42 dL/g. The resulting polyamides were obtained in high yield and they were thermally stable. All of the above compounds were fully characterized by means of FTIR spectroscopy, elemental analyses, viscometry and solubility test. Thermal properties of the polyamides were investigated using thermal gravimetric analysis (TGA) method.

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APA: Copy

FAGHIHI, KH., FOUROGHI FAR, N., ZAMANI, KH., HAJIBEYGI, M., & MALAKPOUR, SH.. (2003). SYNTHESIS AND CHARACTERIZATION OF NOVEL POLYAMIDES CONTAINING AZOBENZENE UNITS AND TETRAHYDROPYRIMIDINONE AND TETRAHYDRO-2-THIOXOPYRIMIDINE DERIVATIVES BY MICROWAVE ASSISTED POLYCONDENSATION. IRANIAN POLYMER JOURNAL (ENGLISH), 12(4), 339-346. SID. https://sid.ir/paper/85911/en

Vancouver: Copy

FAGHIHI KH., FOUROGHI FAR N., ZAMANI KH., HAJIBEYGI M., MALAKPOUR SH.. SYNTHESIS AND CHARACTERIZATION OF NOVEL POLYAMIDES CONTAINING AZOBENZENE UNITS AND TETRAHYDROPYRIMIDINONE AND TETRAHYDRO-2-THIOXOPYRIMIDINE DERIVATIVES BY MICROWAVE ASSISTED POLYCONDENSATION. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2003;12(4):339-346. Available from: https://sid.ir/paper/85911/en

IEEE: Copy

KH. FAGHIHI, N. FOUROGHI FAR, KH. ZAMANI, M. HAJIBEYGI, and SH. MALAKPOUR, “SYNTHESIS AND CHARACTERIZATION OF NOVEL POLYAMIDES CONTAINING AZOBENZENE UNITS AND TETRAHYDROPYRIMIDINONE AND TETRAHYDRO-2-THIOXOPYRIMIDINE DERIVATIVES BY MICROWAVE ASSISTED POLYCONDENSATION,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 12, no. 4, pp. 339–346, 2003, [Online]. Available: https://sid.ir/paper/85911/en

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