| dc.contributor.author |
Sreekumar, K |
|
| dc.contributor.author |
Sudheesh Kumar, K |
|
| dc.date.accessioned |
2014-07-14T09:29:27Z |
|
| dc.date.available |
2014-07-14T09:29:27Z |
|
| dc.date.issued |
2007-06-01 |
|
| dc.identifier.issn |
0091-4037 print=1563-535X online |
|
| dc.identifier.uri |
http://dyuthi.cusat.ac.in/purl/4014 |
|
| dc.description |
International Journal of Polymeric Materials, 58:160–166, 2009 |
en_US |
| dc.description.abstract |
Various polyurethanes containing photoactive bis(azo) and bis(o-nitrobenzyl)
groups in the main chain were synthesized by polyaddition reactions of diols such
as bis(4-hydroxyphenylazo)-2,20-dinitrodiphenylmethane, 4-hydroxy-3-methylphenylazo-
40-hydroxyphenylazo-2,20-dinitrodiphenylmethane and bis(4-hydroxy-3-
methylphenylazo)-2,20-dinitrodiphenylmethane with hexamethylene di-isocyanate
(HMDI), in dimethyl acetamide (DMAc) in the presence of di-n-butyltin dilaurate
(DBTDL) as catalyst. All of them were characterized by IR, UV-vis, 1H NMR and
13C NMR spectra and also by thermogravimetric analysis (TGA), differential scanning
calorimetry (DSC) and gel permeation chromatography (GPC). |
en_US |
| dc.description.sponsorship |
Cochin University of Science and
Technology |
en_US |
| dc.language.iso |
en |
en_US |
| dc.publisher |
Taylor & Francis |
en_US |
| dc.subject |
bis(azo) |
en_US |
| dc.subject |
bis(o-nitrobenzyl) |
en_US |
| dc.subject |
hexamethylene di-isocyanate |
en_US |
| dc.subject |
polyaddition |
en_US |
| dc.subject |
polyurethanes |
en_US |
| dc.title |
Synthesis and Properties of Polyurethanes of Hexamethylene Di-Isocyanate with Multifunctional Chromophores in the Main Chain |
en_US |
| dc.type |
Article |
en_US |