Synthesis and Characterization of Novel Colored Polyurethanes

Azo disperse dyes containing N, N-diethylol group have been prepared and each dye was polycondensed with 4,4′ -Diphenyl methane diisocyanate. The resultant colored polyurethanes were characterized by nitrogen content, IR spectral studies, number average molecular weight ([Mbar]n), estimated by condu...

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Bibliographic Details
Published inInternational journal of polymeric materials Vol. 54; no. 6; pp. 519 - 526
Main Authors Patel, M. G., Desai, K. R., Patel, H. S.
Format Journal Article
LanguageEnglish
Published Philadelphia, PA Taylor & Francis Group 01.06.2005
Taylor & Francis
Subjects
Applied sciences
electrical conductivity
Exact sciences and technology
IR spectral studies
number average molecular weight ([Mbar]n)
Organic polymers
Physicochemistry of polymers
Polymers with particular properties
polyurethanes
Preparation, kinetics, thermodynamics, mechanism and catalysts
thermogravimetric
Aminoalcohol
Electrical conductivity
Electrical properties
number average molecular weight (Mn)
IR spectral studies
Experimental study
Polyaddition
polyurethanes
Lateral group
Thermal stability
Thermal properties
Azo compound
thermogravimetric
Azo dye
Dispersed dye
Preparation
Polyurethane
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Summary:Azo disperse dyes containing N, N-diethylol group have been prepared and each dye was polycondensed with 4,4′ -Diphenyl methane diisocyanate. The resultant colored polyurethanes were characterized by nitrogen content, IR spectral studies, number average molecular weight ([Mbar]n), estimated by conductometric titration, and thermogravimetry. The electrical conductivity of all the polyurethanes was measured at room temperature.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0091-4037
1563-535X
DOI:10.1080/00914030590913123