Citation: Xiao-ting Chen, Ming Zhang, Xu-dong Tang. SYNTHESIS AND PROPERTIES OF SOLUBLE AROMATIC COPOLYAMIDES CONTAINING PHOSPHINE OXIDE MOIETY[J]. Chinese Journal of Polymer Science, ;2008, 26(6): 793-797. shu

SYNTHESIS AND PROPERTIES OF SOLUBLE AROMATIC COPOLYAMIDES CONTAINING PHOSPHINE OXIDE MOIETY

Received Date: 20 March 2008
Revised Date: 6 May 2008

Aromatic copolyamides were synthesized by the Yamazaki phosphorylation method starting from bis(4-carboxyphenyl) phenyl phosphine oxide, terephthalic acid and 4,4'-diaminodiphenyl methane. The copolymers with inherent viscosities of 0.52-0.99 dL/g were obtained. The structures of the copolyamides were characterized by elemental analysis, FTIR and NMR. The glass transition temperatures were measured by DSC and DMA, respectively, and the results showed that the Tgs of the polymers were higher than 287oC. Thermal decomposition temperatures of the copolyamides at 5% weight loss were found in the range of 423-469oC by TGA. Most of the copolymers were readily soluble in a variety of organic solvents such as NMP, DMAc, m-cresol and so on. The tensile experiments of the thin films showed that the polymers had good mechanical properties.
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