Polyamides are essential thermoplastics whose current worldwide annual production
exceeds 10 million tons. They are ubiquitous and easily ignitable polymeric materials that …

A series of new hexasubstituted cyclotriphosphazene compounds (4a–j) consisting of two
Schiff base linking units and different terminal substituents was successfully synthesized and …

Nucleophilic substitution reaction between 4-hydroxybenzaldehyde and
hexachlorocyclotriphosphazene, HCCP formed hexakis (4-formlyphenoxy) …

A series of polyamic acid copolymers (co-PAAs) containing phosphorous groups in the main
chain were synthesized using different ratios of two diamines, ie, bis (3-aminophenyl) methyl …

A series of compounds with Schiff base and ester linking units attached to the electron-
withdrawing side arm (Cl, NO2, and OH) have been successfully synthesized through four …

abstract The recent interest in multifunctional materials with tailorable performances led to
the formulation of novel polymer blends, with enhanced properties with respect to traditional …

Azo compounds present a very important class of chemical compounds, receiving attention
in scientific research. 1 They are highly coloured and have been used as dyes and pigments …

Abstract 1-[4-(4-Acetyl-2-hydroxy-phenylazo)-phenyl]-ethanone (L 1) and 1-[3-Hydroxy-4 (4-
nitro-phenylazo)-phenyl]-ethanone (L 2) were readied by combination the diazonium salts of …

A series of novel thermally stable poly (amide-imide) s (PAIs) based on non-coplaner
diimide-diacid (DIDA) monomer is synthesized. These polymers are characterized by …

In this work, the reactions of diphenylphosphinic chloride,(C6H5) 2P (O) Cl, 1, with the
sodium salts of sterically hindered phenol derivatives (2a-2j) were investigated. Novel alkyl …