Synthesis and Characterization of Aromatic Poly(benzobisthiazole)s and Poly[oxy(bisbenzothiazole)]s Containing Flexible Linkages

Cerruti, Pierfrancesco; Maglio, Giovanni; Palumbo, Rosario; Tortora, Mariarosaria

doi:10.1002/1521-3935(20020201)203:3<484::aid-macp484>3.0.co;2-u

Macromol. Chem. Phys.

2002

DOI: 10.1002/1521-3935(20020201)203:3<484::aid-macp484>3.0.co;2-u

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Synthesis and Characterization of Aromatic Poly(benzobisthiazole)s and Poly[oxy(bisbenzothiazole)]s Containing Flexible Linkages

Pierfrancesco Cerruti

Giovanni Maglio²,

Rosario Palumbo

et al.

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2006

2024

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Cited by 6 publications

References 15 publications

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Synthesis and characterization of new cardo poly(bisbenzothiazole)s from 1,1‐bis(4‐amino‐3‐mercaptophenyl)‐4‐tert‐butylcyclohexane dihydrochloride

Huang

Yin

2006

J of Applied Polymer Sci

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ABSTRACT:A new monomer 1,1-bis(4-amino-3-mercaptophenyl)-4-tert-butylcyclohexane dihydrochloride, bearing the bulky pendant 4-tert-butylcyclohexylidene group, was synthesized from 4-tert-butylcyclohexanone in three steps. Its chemical structure was characterized by 1 H NMR, 13 C NMR, MS, FTIR, and EA. Aromatic poly(bisbenzothiazole)s (PBTs V) were prepared from the new monomer and five aromatic dicarboxylic acids by direct polycondensation. The inherent viscosities were in the range of 0.63-2.17 dL/g. These polymers exhibited good solubility and thermal stability. Most of the prepared PBTs V were soluble in various polar solvents. Thermogravimetric analysis showed the decomposition temperatures at 10% weight loss that were in the range of 495-534°C in nitrogen. All the PBTs V, characterized by X-ray diffraction, were amorphous. The UV absorption spectra of PBTs V showed a range of max from 334 to 394 nm. All the PBTs V prepared had evident fluorescence emission peaks, ranging from 423 to 475 nm with different intensity.

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Synthesis and characterization of new cardo poly(bisbenzothiazole)s from 1,1‐bis(4‐amino‐3‐mercaptophenyl)‐4‐tert‐butylcyclohexane dihydrochloride

Huang

Yin

2006

J of Applied Polymer Sci

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Diaminobisbenzothiazole chain extended polyurethanes as a novel class of thermoplastic polyurethane elastomers with improved thermal stability and electrical insulation properties

Yeganeh

Ghaffari

Jangi

2008

Polymers for Advanced Techs

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This work was devoted to the development of a new class of modified polyurethane as an electrical insulating material. For this purpose, NCO‐terminated urethane prepolymers at different NCO contents were prepared and chain extended by 6,6′‐oxybis(2‐aminobenzothiazole) (ABT) to produce thermoplastic polyurethane elastomers. All of the polymers were characterized by FTIR and 1HNMR spectroscopies and examined for their thermal, mechanical, and electrical properties. The dynamic mechanical measurements results showed two glass transitions indicating phase separation. A considerable improvement in the thermal and electrical properties in comparison to common polyurethanes was detected for these polymers. The level of enhancement in the measured properties was related to the polyol molecular weight, hard segment content, and consequently the amount of the introduced urea and benzothiazole moieties. These findings indicated the improved high service temperature performance of these materials as electrical insulator for metallic surfaces. Copyright © 2008 John Wiley & Sons, Ltd.

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High glass transitions and fluorescence of novel organosoluble poly(arylene ether)s containing kink noncoplanar heterocyclic structures

et al. 2008

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Synthesis and Characterization of Aromatic Poly(benzobisthiazole)s and Poly[oxy(bisbenzothiazole)]s Containing Flexible Linkages

Cited by 6 publications

References 15 publications

Synthesis and characterization of new cardo poly(bisbenzothiazole)s from 1,1‐bis(4‐amino‐3‐mercaptophenyl)‐4‐tert‐butylcyclohexane dihydrochloride

Synthesis and characterization of new cardo poly(bisbenzothiazole)s from 1,1‐bis(4‐amino‐3‐mercaptophenyl)‐4‐tert‐butylcyclohexane dihydrochloride

Diaminobisbenzothiazole chain extended polyurethanes as a novel class of thermoplastic polyurethane elastomers with improved thermal stability and electrical insulation properties

High glass transitions and fluorescence of novel organosoluble poly(arylene ether)s containing kink noncoplanar heterocyclic structures

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