New poly(azomethine-ether)s PAMEs containing 1-phenethyl-4-piperidone moiety have been synthesized through a solution polymerization of various diformyl-a,w-diphenoxyalkanes,I-IV with 3,5-bis(p-aminobenzylidene)-1-Phe...New poly(azomethine-ether)s PAMEs containing 1-phenethyl-4-piperidone moiety have been synthesized through a solution polymerization of various diformyl-a,w-diphenoxyalkanes,I-IV with 3,5-bis(p-aminobenzylidene)-1-Phenethyl-4-piperidone VI.The structures of these polymers were confirmed using spectroscopic techniques.The inherent viscosities of the resulting polymers were found to range from 0.65 to 0.95 dl/g.The solubility of the PAMEs was estimated,showing good solubility in aprotic solvents.The thermal properties of the PAMEs were also evaluated by DSC technique.Liquid crystalline state of the polymers was observed on polarizing microscope exhibiting nematic phase for most of the synthesized polymers.展开更多
基金The experiments were conducted by Amna A.Abayo and writing,paper discussion and revision was contributed by Ismail A.Alkskas,who was the corresponding author.
文摘New poly(azomethine-ether)s PAMEs containing 1-phenethyl-4-piperidone moiety have been synthesized through a solution polymerization of various diformyl-a,w-diphenoxyalkanes,I-IV with 3,5-bis(p-aminobenzylidene)-1-Phenethyl-4-piperidone VI.The structures of these polymers were confirmed using spectroscopic techniques.The inherent viscosities of the resulting polymers were found to range from 0.65 to 0.95 dl/g.The solubility of the PAMEs was estimated,showing good solubility in aprotic solvents.The thermal properties of the PAMEs were also evaluated by DSC technique.Liquid crystalline state of the polymers was observed on polarizing microscope exhibiting nematic phase for most of the synthesized polymers.
