Synthesis of Amino-Silicone Oil Modified with Fluoroalkyl Group and its Application of Deep Dyeing Finishing on Silk Fabric

Yan Xu; Zhan Xiong Li; Liang Shan; Lu Cai; Xiong Zang; Lin Wu

doi:10.4028/www.scientific.net/AMR.796.370

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Synthesis of Amino-Silicone Oil Modified with Fluoroalkyl Group and its Application of Deep Dyeing Finishing on Silk Fabric

Abstract:

Using amino silicone oil and fluorinated acrylate as raw material, fluoroalkyl group modified amino-silicone oil was synthesized by primary amino group and C=C double bond of fluoroacrylate via Michael addition reaction. The fluoroalkyl modified silicone oil with different content of fluorine were obtained by changing the ratio of feeding. Then the fluoroalkyl modified silicone oil was applied on deep dyeing finishing on colored silk fabric. The relationship between the fluorine content of modified amino-silicone oil and the refractive index was discussed, as well as the effect of the increasing of depth on silk fabric. The result showed that 15g/L of finishing agent can afford 35% upgrade rate of dyeing depth on colored silk fabric when the fluorine content was 37.32%. SEM, FT-IR and XPS showed that treatment of the fluoroalkyl modified aminosilicone oil can form the polymeric layer on the silk fiber surface with low refractive index, and the lower the refractive index of the fluoroalkyl modified amino-silicone oil is, the better the upgrade of the deep dyeing finishing will be.