Dyeing property of fluorescent pigment latex on cationic knitted cotton fabrics

Abstract

The recognized difficulties of pigment dyeing on cotton fabric are the large particle size of the pigment and low affinity between pigment particles and cotton fabric. The dispersion stability of the pigment and binding force between pigment particles and cotton fabric are important factors. To increase the stability of pigment dispersion, fluorescent pigment latex was prepared by encapsulating poly(methyl methacrylate-co-butyl acrylate) on the surface of C.I. Solvent Yellow 43. As a reactive emulsifier, allyloxy nonyl alcohol polyoxyethylene (10) ether sulfate can copolymerize with methyl methacrylate and butyl acrylate to endow the fluorescent pigment latex with negative charges. To improve the binding force between pigment particles and cotton fabric, the knitted cotton fabric was cationized. The prepared fluorescent pigment latex was further applied to dyeing of cationic fabrics by the exhaust dyeing process. Moreover, pseudo first- and second-order kinetic models were used to examine the adsorption kinetic data of fluorescent pigment latex on cationic cotton fabric. The results showed that the adsorption kinetic followed the pseudo second-order kinetic model, which indicated that the chemical sorption is a rate-limiting step, rather than mass transfer. The activation parameters were also evaluated to confirm the thermodynamic feasibility and spontaneous nature of cationic cotton dyeing with fluorescent pigment latex.

Cationic cotton modified by 3-chloro-2-hydroxypropyl trimethyl ammonium chloride for salt-free dyeing with high levelling performance

“…Two distinct peaks of RC located at 290 and 420 °C are corresponding to the thermal decomposition of cellulose macromolecules (Dong et al 2020). Then, MdC-Op has an additional peak located at about 200 °C, which is attributed to the thermal decomposition of CHPTAC polymers (Li et al 2017). Compared to RC, the initial decomposition temperature of MdC-Op is decreased as can be see from the DTG curves of MdC-Op and RC in Fig.…”

Pigment printing of polyester fabric using a single step synthesized PDMS-modified polyurethane-acrylic/pigment hybrid emulsion

“…In recent years, it has been discovered that organic material hybrid pigments can greatly improve the performance instability of pigments, such as their dispersibility, light resistance, and thermal stability properties. 18–27 For example, Fu et al. 23–25 reported that the adhesion fastness of pigment particles with the fabric can be significantly improved after coating with polyacrylate (PAcr).…”

“…18–27 For example, Fu et al. 23–25 reported that the adhesion fastness of pigment particles with the fabric can be significantly improved after coating with polyacrylate (PAcr). In our previous work, 26,27 a series of highly dispersible pigment capsules, PAcr as the wall material and pigment as the core, was prepared by in situ polymerization and micro-suspension, which had good color rendering and crocking fastness for cotton and silk fabric pigment printing.…”

One‐step mini‐emulsion copolymerisation of waterborne polysiloxane‐modified polyacrylate/pigment hybrid latex and its application in textile pigment printing

“…[3][4][5] However, pigment printing usually needs to form a coloured film on the fabric surface with the help of a high molecular polymer (adhesive) to obtain the colouring effect, because weak affinity means that no reaction takes place between the pigment and the fabric. [6][7][8][9] Moreover, organic pigment microparticles tend to agglomerate and they have poor water-dispersion stability. Hence, how to increase the the silicone component of alkoxysilane and cyclic siloxanes, on the properties of hybrid latex films and pigment-printed polyester fibres, was conducted.…”

“…Pigment printing is known to be advantageous in terms of saving energy and protecting the environment, as it avoids any washing process after fixation 3–5 . However, pigment printing usually needs to form a coloured film on the fabric surface with the help of a high molecular polymer (adhesive) to obtain the colouring effect, because weak affinity means that no reaction takes place between the pigment and the fabric 6–9 . Moreover, organic pigment microparticles tend to agglomerate and they have poor water‐dispersion stability.…”