The Synthesis and Thermal Stability of Thioether Dianhydride Poly(amic acid)

Abstract

Abstract: Thioether dianhydride, 2,2'-｛4-[(4-nitrophenyl)azo]imino｝bis ethylamine(diamine monomer) were synthesized and characterized. Due to this chromophore molecule(diamine nonomer) have further polymerizable amino groups on one end of the molecule, the corresponding poly(amic acid) formed with thioether dianhydride exhibited a good solubility in common organic solvents. Decomposing temperature of the diamine chromophore in the poly(amic acid) and polyimide backbone are T_d=362 ℃ and 491 ℃, respectively. These polymers are currently showing interesting potential in highly sensitive, nonlinear optical materials.

Key words: Thioether dianhydride, Electro-optic chromophore, Poly(am ic acid), Polyimide, Thermal stability

CLC Number:

O626

TrendMD:

WANG Jiang-Hong, SHEN Yu-Quan . The Synthesis and Thermal Stability of Thioether Dianhydride Poly(amic acid)[J]. Chem. J. Chinese Universities, 2000, 21(6): 879.

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The Synthesis and Thermal Stability of Thioether Dianhydride Poly(amic acid)

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