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Title of Journal: Polym Bull

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Abbravation: Polymer Bulletin

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Springer-Verlag

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DOI

10.1007/bf00935511

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1436-2449

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Synthesis and study of the effect of carboxyvinyl

Authors: C O Sánchez F R Díaz N Gatica C Bustos K Espiñeira D Huaquimilla
Publish Date: 2010/08/07
Volume: 67, Issue: 1, Pages: 29-43
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Abstract

Several aromatic polyamides containing carboxyvinyl bonds in the main chain were synthesized by selfcondensation from β234aminophenylpropenoic acid using the phosphorylation method In addition aromatic polyamides containing carboxyalkyl bonds in the backbone were synthesized under the same conditions for comparative purposes model polyamides and used as pattern The model polyamides were synthesized from 34aminophenyl acetic acid and β3aminophenylpropanoic acid Polymers were characterized by UV–vis FTIR and 1HNMR spectroscopy differential scanning calorimetry DSC thermogravimetric analysis TGA and inherentviscosity measurement The effect of the carboxyvinyl group position in the aromatic ring was correlated to polyamides properties Thereby solubility thermal stability viscosities optical properties and polymers crosslinking were studied Some polyamides were soluble in polar solvents and inorganic acids Upon thermal curing crosslinked polymers were obtained The thermal stability and crosslinking of polyamides were evaluated with respect to position of carboxyvinyl in the aromatic ring The crosslinked polymers exhibited improved thermal stability

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