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Synthesis of Novel Reactive Disperse Silicon-Containing Dyes and Their Coloring Properties on Silicone Rubbers

State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
Department of Production & Operation, China National Chemical Corporation, Beijing 100080, China
Author to whom correspondence should be addressed.
Molecules 2018, 23(1), 127;
Received: 1 December 2017 / Revised: 5 January 2018 / Accepted: 6 January 2018 / Published: 9 January 2018
(This article belongs to the Special Issue Advanced Functional Dyes)
PDF [609 KB, uploaded 9 January 2018]


Novel red and purple reactive disperse silicon-containing dyes were designed and synthesized using p-nitroaniline and 6-bromo-2,4-dinitro-aniline as diazonium components, the first condensation product of cyanuric chloride and 3-(N,N-diethyl)amino-aniline as coupling component, and 3-aminopropylmethoxydimethylsilane, 3-aminopropylmethyldimethoxysilane, and 3-aminopropyltrimethoxysilane as silicone reactive agents. These dyes were characterized by UV-Vis, 1H-NMR, FT-IR, and MS. The obtained reactive disperse silicon-containing dyes were used to color silicone rubbers and the color fastness of the dyes were evaluated. The dry/wet rubbing and washing fastnesses of these dyes all reached 4–5 grade and the sublimation fastness was also above 4 grade, indicating outstanding performance in terms of color fastness. Such colored silicone rubbers showed bright and rich colors without affecting its static mechanical properties. View Full-Text
Keywords: reactive disperse dyes; silicone rubber; coloring; silicone group reactive disperse dyes; silicone rubber; coloring; silicone group

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Yu, N.; Zhang, S.; Tang, B.; Ma, W.; Qiu, J. Synthesis of Novel Reactive Disperse Silicon-Containing Dyes and Their Coloring Properties on Silicone Rubbers. Molecules 2018, 23, 127.

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