NEW OPTICALLY ACTIVE ORGANO-SOLUBLE POLY(AMIDE-IMIDE)S FROM [N,N'-(4,4'-DIPHTALOYL)-BIS-L-AMINO DIACID]S AND 1,2-BIS[4,4'-AMINOPHENOXY] ETHANE: SYNTHESIS AND CHARACTERIZATION

NEW OPTICALLY ACTIVE ORGANO-SOLUBLE POLY(AMIDE-IMIDE)S FROM [N,N'-(4,4'-DIPHTALOYL)-BIS-L-AMINO DIACID]S AND 1,2-BIS[4,4'-AMINOPHENOXY] ETHANE: SYNTHESIS AND CHARACTERIZATION

Six new dicarboxylic acids 3a-f were synthesized by the reaction of 3,3',4,4'-biphenyltetracarboxylic dianhydride (BPDA) 1 with L-amino acids 2a-f in a solution of glacial acetic acid/pyridine (Py) at refluxing temperature. Then six new optically active poly(amide-imide)s (PAI)s with good...

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Autores principales: FEYZI,AKRAM, FAGHIHI,KHALIL, RAEISI,AHAMD, KOUSHKI,MARYAM, FARAHANI,MANSOURE
Lenguaje:English
Publicado: Sociedad Chilena de Química 2013
Materias:
Poly(amide-imide)
Thermal properties
Organo-soluble polymer
Inherent viscosity
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072013000300020
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