Preparation and properties of modified silicone finishing agent
The isocyanate modified silicone finishing agent was synthesized through a series of reaction using dimethylcyclosiloxane(DMC),1,1,3,3-tetramethyldisiloxane,allyl epoxy polyether,N,N-dimethyl ethanol amine and isophorone diisocyanate as materials.The isocyanate modified silicone finishing agent was used for the finishing of rayon/nylon blended fabrics.The color fastness,stiffness,creasy recovery angle,and hand feeling of rayon/nylon blended fabrics.before and after finishing were tested.The results show that all the properties of finished fabrics by modified silicone finishing agent are better when the dosage of the modified organsilicone finishing agent is 30 g/L.The color fastness and elasticity of the fabric are improved,and the hand feeling is stiff and smooth.
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