Synthesis and properties of novel aromatic polyamides having pendant N,N′-diphenyl imide groups

Dong Hack Suh, Sang Yong Ju, Sang Hyun Park, Jae Wook Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We have investigated a novel monomer having two pendant phenyl imido groups for preparing new aromatic polyamides. Novel polyamides were synthesized by direct polycondensation reaction with the N,N′-diphenyl-2,3,5,6-diimido benzene-1,4-dicarboxylic acid chlorine (PIBAC) and some aromatic diamines such as p-phenylene diamine, 4,4′-oxydianiline and 4,4′-methylene dianiline. Inherent viscosity of the resulting polyamides are in the range 0.20-0.85 dl/g range. The decomposition temperature of these polyamides are ranged from 350-450°C and the ash contents of them orders MDA > ODA > SDA according to the kinds of the diamines used. In addition, the solubility of these polyamides is very good in aprotic solvents such as DMAc, NMP, and DMF. A transparent flexible and tought film was cast.

Original languageEnglish
Pages (from-to)751-760
Number of pages10
JournalJournal of Macromolecular Science - Pure and Applied Chemistry
Volume38 A
Issue number8
DOIs
Publication statusPublished - 2001 Aug 21

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Imides
Nylons
Polyamides
Diamines
Ashes
Dicarboxylic Acids
Chlorine
Polycondensation
Benzene
Solubility
Monomers
diphenyl
Viscosity
Decomposition
Acids

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Polymers and Plastics
  • Materials Chemistry

Cite this

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abstract = "We have investigated a novel monomer having two pendant phenyl imido groups for preparing new aromatic polyamides. Novel polyamides were synthesized by direct polycondensation reaction with the N,N′-diphenyl-2,3,5,6-diimido benzene-1,4-dicarboxylic acid chlorine (PIBAC) and some aromatic diamines such as p-phenylene diamine, 4,4′-oxydianiline and 4,4′-methylene dianiline. Inherent viscosity of the resulting polyamides are in the range 0.20-0.85 dl/g range. The decomposition temperature of these polyamides are ranged from 350-450°C and the ash contents of them orders MDA > ODA > SDA according to the kinds of the diamines used. In addition, the solubility of these polyamides is very good in aprotic solvents such as DMAc, NMP, and DMF. A transparent flexible and tought film was cast.",
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Synthesis and properties of novel aromatic polyamides having pendant N,N′-diphenyl imide groups. / Suh, Dong Hack; Ju, Sang Yong; Park, Sang Hyun; Lee, Jae Wook.

In: Journal of Macromolecular Science - Pure and Applied Chemistry, Vol. 38 A, No. 8, 21.08.2001, p. 751-760.

Research output: Contribution to journalArticle

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N2 - We have investigated a novel monomer having two pendant phenyl imido groups for preparing new aromatic polyamides. Novel polyamides were synthesized by direct polycondensation reaction with the N,N′-diphenyl-2,3,5,6-diimido benzene-1,4-dicarboxylic acid chlorine (PIBAC) and some aromatic diamines such as p-phenylene diamine, 4,4′-oxydianiline and 4,4′-methylene dianiline. Inherent viscosity of the resulting polyamides are in the range 0.20-0.85 dl/g range. The decomposition temperature of these polyamides are ranged from 350-450°C and the ash contents of them orders MDA > ODA > SDA according to the kinds of the diamines used. In addition, the solubility of these polyamides is very good in aprotic solvents such as DMAc, NMP, and DMF. A transparent flexible and tought film was cast.

AB - We have investigated a novel monomer having two pendant phenyl imido groups for preparing new aromatic polyamides. Novel polyamides were synthesized by direct polycondensation reaction with the N,N′-diphenyl-2,3,5,6-diimido benzene-1,4-dicarboxylic acid chlorine (PIBAC) and some aromatic diamines such as p-phenylene diamine, 4,4′-oxydianiline and 4,4′-methylene dianiline. Inherent viscosity of the resulting polyamides are in the range 0.20-0.85 dl/g range. The decomposition temperature of these polyamides are ranged from 350-450°C and the ash contents of them orders MDA > ODA > SDA according to the kinds of the diamines used. In addition, the solubility of these polyamides is very good in aprotic solvents such as DMAc, NMP, and DMF. A transparent flexible and tought film was cast.

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