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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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초록· 키워드
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A series of polyhydroxyamide copolymers (Co-PHAs) containing 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoropropane (BAHHFP) and/or bis(3-amino-4-hydroxyphenyl) sulfone (BAHS) were synthesized via a low-temperature solution polymerization method. The synthesized Co-PHAs were characterized by Fourier transform infrared (FT-IR) spectroscopy, differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). All the Co-PHAs were found to be soluble in organic solvents with or without LiCl. The chemical structures of the Co-PHAs were identified using FT-IR spectroscopic analysis. The DSC and TGA results showed that the inclusion of BAHHFP and/or BAHS in the Co-PHAs reduced the thermal cyclization temperatures as compared to DHB, which is due to the difference in the rotational energy of the diamine monomers.
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참고문헌 (29)
참고문헌 신청
W. D. Joseph / 1993 / Synthesis of 4,4'-isopropylidiene Diphenol(bisphenol A) Based Polybenzoxazole via an Acid-catalyzed Solution Cylization Process / Polymer 34:866~869
R. J. Perry / 1994 / Palladium-catalyzed Synthesis of Poly(amino-ols)-poly(benzoxazole) Precursors / Macromolecules 27:40~44
J. H. Chang / 1998 / Effect of Heat Treatment on the Thermal and Mechanical Properties of a Precursor Polymer : Polyhydroxyamide / Polymer 39:5649~5654
S. H. Hsiao / 1999 / Synthesis and Properties of Novel Aromatic Poly(o-hydroxyamide)s and Polybenzoxazoles Based on the Bis(ether benzoyl chloride)s from Hydroquinone and Its Methyl-tert-butyl-, and Phenyl-Substituted Derivatives / J. Polym. Sci. Part A: Polym. Chem 37:2129~2136
R. J. Farris / 2000 / Characterization of Two Precursor Polyblends: Polyhydroxyamide and Poly(amic acid) / Polym. Eng. Sci 40:320~329
R. J. Perry / 1994 / Palladium-catalyzed Synthesis of Poly(amino-ols)-poly(benzoxazole) Precursors / Macromolecules 27:40~44
J. H. Chang / 1998 / Effect of Heat Treatment on the Thermal and Mechanical Properties of a Precursor Polymer : Polyhydroxyamide / Polymer 39:5649~5654
S. H. Hsiao / 1999 / Synthesis and Properties of Novel Aromatic Poly(o-hydroxyamide)s and Polybenzoxazoles Based on the Bis(ether benzoyl chloride)s from Hydroquinone and Its Methyl-tert-butyl-, and Phenyl-Substituted Derivatives / J. Polym. Sci. Part A: Polym. Chem 37:2129~2136
R. J. Farris / 2000 / Characterization of Two Precursor Polyblends: Polyhydroxyamide and Poly(amic acid) / Polym. Eng. Sci 40:320~329
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