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Journals / Turkish Journal of Chemistry / 2009 / Cilt: 33 - Sayı: 1

Rapid Synthesis of New Poly(amide-imide)s Based on N-(4-Carboxy phenyl) trimellitimide and Hydantoin Derivatives under Microwave Irradiation

Khalil Faghihi And Mohammad GHOLIZADEH
Pages
87–97
Publication Date
2009-01-01
DOI
—
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Then diacid (3) was converted to N-(4-chlorocarbonyl phenyl) trimellitimide acid chloride (4) by reaction with thionyl chloride in the presence of pyridine.

📌 3 Key Takeaways

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Objective & Hypothesis:Six new poly (amide-imide)s (6a-f) were prepared under microwave irradiation by polycondensation reaction of diacid chloride (4) with 6 different derivatives of hydantoins (5a-f) using O-cresol as a microwave absorbent.
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Key Findings & Data:These new PAIs were obtained in high yield and with inherent viscosities between 0.15 and 0.25 dL/g.
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Conclusion & Impact:Then diacid (3) was converted to N-(4-chlorocarbonyl phenyl) trimellitimide acid chloride (4) by reaction with thionyl chloride in the presence of pyridine.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Thermally stable polymers · icrowave irradiation · Poly (amide-imide

Abstract

Six new poly (amide-imide)s (6a-f) were prepared under microwave irradiation by polycondensation reaction of diacid chloride (4) with 6 different derivatives of hydantoins (5a-f) using O-cresol as a microwave absorbent. These new PAIs were obtained in high yield and with inherent viscosities between 0.15 and 0.25 dL/g. The resulting poly(amide-imide)s were characterized by elemental analysis, viscosity measurements, thermal gravimetric analysis (TGA & DTG), solubility test, and FT-IR spectroscopy. N-(4-chlorocarbonyl phenyl) trimellitimide acid chloride (4) was prepared by a 2-step reaction. First trimellitic anhydride (1) was reacted with 4-amino benzoic acid (2) in acetic acid solution and the resulting imide-acid [N-(4-carboxy phenyl) trimellitimide] (3) was obtained in high yield. Then diacid (3) was converted to N-(4-chlorocarbonyl phenyl) trimellitimide acid chloride (4) by reaction with thionyl chloride in the presence of pyridine.

Özet

Six new poly (amide-imide)s (6a-f) were prepared under microwave irradiation by polycondensation reaction of diacid chloride (4) with 6 different derivatives of hydantoins (5a-f) using O-cresol as a microwave absorbent. These new PAIs were obtained in high yield and with inherent viscosities between 0.15 and 0.25 dL/g. The resulting poly(amide-imide)s were characterized by elemental analysis, viscosity measurements, thermal gravimetric analysis (TGA & DTG), solubility test, and FT-IR spectroscopy. N-(4-chlorocarbonyl phenyl) trimellitimide acid chloride (4) was prepared by a 2-step reaction. First trimellitic anhydride (1) was reacted with 4-amino benzoic acid (2) in acetic acid solution and the resulting imide-acid [N-(4-carboxy phenyl) trimellitimide] (3) was obtained in high yield. Then diacid (3) was converted to N-(4-chlorocarbonyl phenyl) trimellitimide acid chloride (4) by reaction with thionyl chloride in the presence of pyridine.

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Cite This Article

GHOLIZADEH, K. F. A. M. (2009). Rapid Synthesis of New Poly(amide-imide)s Based on N-(4-Carboxy phenyl) trimellitimide and Hydantoin Derivatives under Microwave Irradiation. Turkish Journal of Chemistry, Cilt: 33 - Sayı: 1, 87–97. https://ajindex.com/articles/185080

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