Synthesis and properties of aminoazobenzene disperse dyes containing β-sulfatoethylsulfonyl group

ORGN 364

Jung Jin Lee, jjlee@dankook.ac.kr, Department of Textile Engineering, Dankook University, 126 Jukjeon-dong, Suji-gu, Yongin-si, Gyeonggi 448-701, South Korea and Jae Pil Kim, jaepil@snu.ac.kr, School of Materials Science and Engineering, Seoul National University, San 56-1 Shinlimdong, Kwanakgu, Seoul 151-742, South Korea.
Aminoazobenzene disperse dyes containing b-sulfatoethylsulfonyl group is known for having temporary solubility. They can be applied to eco-friendly dyeing of polyester fiber. In this study, a series of aminoazobenzene dyes were synthesized and characterized. Diazo components having nitro or bromo group were prepared and coupled with coupling components to give 4-diethylamino-4'-(2-sulfatoethylsulfonyl)azobenzene dyes. The absorption maxima of the dyes were dependent upon the substituents in the diazo and coupling components and varied from 464 to 564 nm in DMF. The dyes were found to have good substantivity to polyester during dyeing without using dispersant and the dyed polyester fabric showed good leveling and color fastness properties.
 

Heterocycles and Aromatics, Molecular Recognition and Self Assembly
8:00 PM-10:00 PM, Tuesday, April 8, 2008 Morial Convention Center -- Hall A, Poster

Division of Organic Chemistry

The 235th ACS National Meeting, New Orleans, LA, April 6-10, 2008