THE CIS-TRANS ISOMERIZATION AND LIGHTFASTNESS OF AZO DYES DISPERSED IN THERMOPLASTIC FIBERS WITH DIFFERENT STRUCTURAL FEATURES

Authors
BELTRAME PL BERGAMASCO L CASTELLI A DUBINIPAGLIA E MARCANDALLI B SEVES A
Citation
Pl. Beltrame et al., THE CIS-TRANS ISOMERIZATION AND LIGHTFASTNESS OF AZO DYES DISPERSED IN THERMOPLASTIC FIBERS WITH DIFFERENT STRUCTURAL FEATURES, Dyes and pigments, 35(3), 1997, pp. 239-247
Citations number
6
Journal title
Dyes and pigments → ACNP
ISSN journal
01437208
Volume
35
Issue
3
Year of publication
1997
Pages
239 - 247
Database
ISI
SICI code
0143-7208(1997)35:3<239:TCIALO>2.0.ZU;2-D
Abstract
The cis-trans isomerization of 4-N, N-diethylaminoazobenzene dispersed in two polyamidic fibers has been studied. The fibers were obtained b y blending polyamide 6 with appropriate amounts of an aromatic copolya mide, which allowed a controlled enhancement of the T-g value of the p olyamide. The different fastness properties of the dyed materials coul d be explained in terms of the observed different structural features of the blends. (C) 1997 Elsevier Science Ltd.