Journal
POLYMER ENGINEERING AND SCIENCE
Volume 54, Issue 10, Pages 2252-2257Publisher
WILEY-BLACKWELL
DOI: 10.1002/pen.23780
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A new triptycene-containing dicarboxylic acid monomer was successfully synthesized by refluxing the diamine, bis(4-aminophenoxy)phenyl triptycene with trimellitic anhydride in glacial acetic anhydride. A series of novel thermally stable poly(ester-imide)s were prepared from dicarboxylic acid, bis(4-trimellitimido phenoxy) phenyl triptycene with various diols by the direct polycondensation. The polymers were obtained in quantitative yields with inherent viscosities of 0.27-0.74 dL g(-1). The resulting polymers dissolved in N-methyl-2-pyrrolidinone, N, N-dimethylacetamide, N, N-dimethylformamide, dimethyl sulfoxide, and pyridine. These polymers were fairly stable up to a temperature >450 degrees C and lost 10% weight in the range of 477 degrees C and 575 degrees C in nitrogen. The UV-V is absorption spectra revealed that most of the polymers had absorption maxima around 310 and 341 nm. (C) 2013 Society of Plastics Engineers
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