Synthesis of polyundecamethylene 2,6‐naphthalamide as semiaromatic polyamide‐containing naphthalene ring | Zendy

Yang Shaohui | Zendy; Fu Peng | Zendy; Liu Minying | Zendy; Wang Yudong | Zendy; Zhao Qingxiang | Zendy

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Synthesis of polyundecamethylene 2,6‐naphthalamide as semiaromatic polyamide‐containing naphthalene ring

Author(s) -

Yang Shaohui,

Fu Peng,

Liu Minying,

Wang Yudong,

Zhao Qingxiang

Publication year - 2010

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.32471

Subject(s) - differential scanning calorimetry , thermogravimetric analysis , materials science , glass transition , polyamide , polymer chemistry , dynamic mechanical analysis , naphthalene , thermal decomposition , thermal analysis , fourier transform infrared spectroscopy , chemical engineering , composite material , polymer , chemistry , thermal , organic chemistry , thermodynamics , physics , engineering

A novel engineering plastic polyundecamethylene 2,6‐naphthalamide (PA11N) was prepared via a reaction of 2,6‐naphthalene dicarboxylic acid and 1,11‐undecanediamine through a three‐step procedure. The structure of synthesized PA11N was characterized by elemental analysis, Fourier transform infrared spectroscopy, and proton nuclear magnetic resonance ( 1 H‐NMR). The thermal behaviors were determined by differential scanning calorimetry, thermogravimetric analysis, and dynamic mechanical analysis. The solubility, water‐absorbing capacity, and mechanical properties of PA11N have also been investigated. Melting temperature ( T m ), glass transition temperature ( T g ), and decomposition temperature ( T d ) of PA11N are 294, 139, and 493°C, respectively. The results show that the heat resistance and mechanical properties of PA11N are near to those of polynonamethylene terephthalamide, and PA11N is a promising heat‐resistant and processable engineering plastic. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010

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