Synthesis and Characterization of Novel Polyurethanes Based on 4-{(4-Hydroxyphenyl)iminomethyl} phenol

Four novel polyurethanes were prepared from 4-{(4-hydroxyphenyl)iminomethyl} phenol by reactions with two aromatic diisocyanates, 4,4'-diphenylmethane diisocyanate and toluene 2,4-diisocyanate, and two aliphatic diisocyanates, isophorone diisocyanate and hexamethylene diisocyanate. The polyuret...

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Published inMacromolecular research Vol. 16; no. 3; pp. 194 - 199
Main Authors Raghu, A.V, Jeong, Han-Mo, Kim, Jae-Hoon, Lee, Yu-Rok, Cho, Youn-Bok, Sirsalmath, Kiran
Format Journal Article
LanguageKorean
Published 2008
Subjects
thermal properties
X-ray diffraction
polyurethanes
Schiff base-based polymers
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Summary:Four novel polyurethanes were prepared from 4-{(4-hydroxyphenyl)iminomethyl} phenol by reactions with two aromatic diisocyanates, 4,4'-diphenylmethane diisocyanate and toluene 2,4-diisocyanate, and two aliphatic diisocyanates, isophorone diisocyanate and hexamethylene diisocyanate. The polyurethanes formed were characterized by UV-vis, fluorescence, FT-IR, $^1H$-NMR, $^{13}C$-NMR, differential scanning calorimetry, thermogravimetry, and X-ray diffraction. The polymers were semi-crystalline and all polymers were soluble in polar aprotic solvents.
Bibliography:KISTI1.1003/JNL.JAKO200820258462982
ISSN:1598-5032
2092-7673