SYNTHESIS AND PROPERTIES OF ORGANOSOLUBLE AND OPTICALLY ACTIVE POLY (AMIDE-IMIDE)S BASED ON EPICLON AND (S)-(+)-VALINE UNDER MICROWAVE IRRADIATION

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MALAKPOUR SH.; KOSARI ELAHEH

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Journal: Iranian Polymer Journal Year:2005 | Volume:14 | Issue:1 (55) Page(s): 81-90

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Title

SYNTHESIS AND PROPERTIES OF ORGANOSOLUBLE AND OPTICALLY ACTIVE POLY (AMIDE-IMIDE)S BASED ON EPICLON AND (S)-(+)-VALINE UNDER MICROWAVE IRRADIATION

Author(s)

MALAKPOUR SH. | KOSARI ELAHEH | Issue Writer Certificate

Keywords

MICROWAVE-ASSISTED POLYCONDENSATION

OPTICALLY ACTIVE POLYMERS

POLY(AMIDE-IMIDE)S

MICROWAVE OVEN

INHERENT VISCOSITY

Abstract

Aliphatic dianhydride, Epiclon [3a,4,5,7a-tetrahydro-7-methyl-5-(tetrahydro-2,5-dioxo-3-furanyl)-1,3-isobenzofurandione] or [5-(2,5-dioxotetrahydrofurfuryl)-3-methyl-3-cyclohexyl-1,2-dicarboxylic acid anhydride] 1 was reacted with (s)-(+)-valine 2 in acetic acid and the resulting imide-acid 3 was obtained in high yield. The diacid chloride 4 was obtained from the reaction of 3 with thionyl chloride. The polycondensation reaction of diacid chloride 4 with several aromatic diamines such as 4,4-sulfonyldianiline 5a, 4,4-diaminodiphenylmethane 5b, 4,4-diaminodiphenylether 5c, p-phenylenediamine 5d, m-phenylenediamine 5e, 2,4-diaminotoluene 5f and 4,4-diaminobiphenyl 5g was developed by using a domestic MICROWAVE OVEN in the presence of a small amount of o-cresol. The polymerization reactions were also performed by two another methods: low temperature solution polycondensation and reflux conditions. A series of optically active poly(amide-imide)s with INHERENT VISCOSITY of 0.13-0.32 dL/g were obtained. All of the above polymers were fully characterized by IR, elemental analysis and specific rotation techniques. Some structural characterizations and physical properties of these optically active poly(amide-imide)s are reported.

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APA: Copy

MALAKPOUR, SH., & KOSARI, ELAHEH. (2005). SYNTHESIS AND PROPERTIES OF ORGANOSOLUBLE AND OPTICALLY ACTIVE POLY (AMIDE-IMIDE)S BASED ON EPICLON AND (S)-(+)-VALINE UNDER MICROWAVE IRRADIATION. IRANIAN POLYMER JOURNAL (ENGLISH), 14(1 (55)), 81-90. SID. https://sid.ir/paper/527719/en

Vancouver: Copy

MALAKPOUR SH., KOSARI ELAHEH. SYNTHESIS AND PROPERTIES OF ORGANOSOLUBLE AND OPTICALLY ACTIVE POLY (AMIDE-IMIDE)S BASED ON EPICLON AND (S)-(+)-VALINE UNDER MICROWAVE IRRADIATION. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2005;14(1 (55)):81-90. Available from: https://sid.ir/paper/527719/en

IEEE: Copy

SH. MALAKPOUR, and ELAHEH KOSARI, “SYNTHESIS AND PROPERTIES OF ORGANOSOLUBLE AND OPTICALLY ACTIVE POLY (AMIDE-IMIDE)S BASED ON EPICLON AND (S)-(+)-VALINE UNDER MICROWAVE IRRADIATION,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 14, no. 1 (55), pp. 81–90, 2005, [Online]. Available: https://sid.ir/paper/527719/en

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