Single-pack, self-curable, aqueous-based polyurethane dispersion containing a disperse dye

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Title:	Single-pack, self-curable, aqueous-based polyurethane dispersion containing a disperse dye
Authors:	Huang, Ching-tzer;Chen, Kan-nan
Contributors:	淡江大學化學學系
Keywords:	curing of polymers;dyes/pigments;polyurethanes
Date:	2006-06-05
Issue Date:	2009-11-04 16:56:20 (UTC+8)
Publisher:	John Wiley & Sons
Abstract:	An organic-solvent-soluble disperse dye was introduced into an aqueous phase by a reaction with a self-emulsified, aqueous-based polyurethane (PU), and this resulted in the formation of a homogeneous, aqueous polymeric dye dispersion. This aqueous polymeric dye was stable in a water phase with excellent color extension upon application. It was formulated with a latent curing agent, polyaziridine (e.g., TMPTA-AZ), as a single-component, self-curable, aqueous polymeric dye. The curing reaction took place between PU carboxylic acid and the latent curing agent upon drying. A self-cured polymeric dye was obtained with excellent color extension and fastness and resistance to organic solvents and water after drying. This single-component, self-curable, aqueous-based PU system containing a dye has potential for printing, writing, and dyeing applications.
Relation:	Journal of Applied Polymer Science 100(5), pp.3741-3747
DOI:	10.1002/app.23332
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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