Modification of cotton to improve its dyeability. Part 1 — pretreating cotton with reactive polyamide‐epichlorohydrin resin

Burkinshaw, S.M.; Lei, X P; Lewis, David M.

doi:10.1111/j.1478-4408.1989.tb01189.x

Cited by 51 publications

(17 citation statements)

References 8 publications

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“…Wang investigated chemical modification of cotton to promote fiber dyeability [46]. Burkinshaw analysized cationic pretreatment of cellulose fiber to improve the dye reactivity [47]. Hauser examined the dyeing behavior of cotton that had been rendered cationic by reaction with 2,3-epoxy propyltrimethylammonium chloride and the result showed that excellent dye yields and color fastness properties were obtained without the use of electrolytes, multiple rinsings or fixation agents [48].…”

Section: Dyeing Properties 41 Dyeing Cotton Fabric With Umpmentioning

confidence: 99%

Preparation, Characterization and Application of Ultra-Fine Modified Pigment in Textile Dyeing

Wang¹,

Yin²

2013

Eco-Friendly Textile Dyeing and Finishing

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Water-based pigment systems are environment-friendly pathways. Pigments are dispersed into water with the aid of auxiliaries, such as dispersants, emulsifiers, anti-setting agents, etc. Water-based pigment has been widely applied in coloration for textiles, paints, architecture, wood and so on [ , ]. "ut the unmodified pigment dispersion that contains pigments with large particle size is unstable and also suffers from the problems as precipitation and floating color. "nd then the color, fastness, handle and uniformity of the fabrics dyed with the unmodified pigment dispersion are influenced.Ultra-fine modified pigment UMP is referred to nanometer or micrometer pigment particle by physical and/or chemical modifications in a composite disperse system with attaching functional groups for pigment dispersion. These functional groups often have contribution to appear the vivid color for the chromophoric groups in the pigment particle by selectively reflecting and absorbing certain wavelengths of visible light [ ]. The UMP dispersion usually shows relative stability and higher color strength K/S value which closely approaches to that of dyes [ ]. When UMP is used to color, the finely divided, insoluble particle remains throughout the coloration process [ ]. Without the binder or less the amount of binder added in printing paste, the good handle will be achieved. "nd the better fastness is attained with the stronger attraction between the UMP and the fiber [ , ]. The UMP systems are divided into nonionic pigment dispersion, anionic pigment dispersion and cationic pigment dispersion according to the charged particles. Compared to the nonionic pigment dispersion, the pigment dispersion with ionic dispersant may produce the stronger combining power to the fabric [ , ].The cationic disperser has been widely used in many fields. It had been reported in Japanese patents that cationic disperser was applied in electrodeposits coat. "eing prepared with cationic disperser, the cationic pigment dispersion is able to decrease the migration of the pigment, and favorable dyeing deepness and color fastness are also obtained when such pigment is applied to pretreated cotton fabric and terylene-cotton fabric in pad dyeing [ ]. The cationic surfactant is grafted onto the acrylic acid copolymer to attain disperser which is then applied to the anthraquinone pigment to prepare ink for ink-jet printing on paper [ ]. In addition, there are many applications of cationic disperser in other fields, such as papermaking, image thermomigration, ink-jet printing paper, inorganic nano-scale powder and preparing hydrophilic ethylene copolymer dispersion. Moreover, pigment dyeing by exhaust process is possible by imparting substantivity with cationic reagents to induce the necessary affinity between pigments and fibers. The chemical modification of fiber with cationic reagents has been carried out to improve the dyeing properties [ , ].In this chapter, the preparation of UMP, such as dispersing process, grinding process, ultrasonic wave process, microe...

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Section: Dyeing Properties 41 Dyeing Cotton Fabric With Umpmentioning

confidence: 99%

Preparation, Characterization and Application of Ultra-Fine Modified Pigment in Textile Dyeing

Wang¹,

Yin²

2013

Eco-Friendly Textile Dyeing and Finishing

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“…The Fixation (%), percentage of dye exhausted which is covalently bonded to the fiber was determined as follows; at the end of dyeing, the dyed fabric was cut into two pieces (1.25g each) ; one piece was allowed to dry in the open air and the other piece was treated in an aqueous solution containing Sandozine NIE (5.0 g/l) and Na 2 CO 3 (2.5 g/l), using a 50:1 liquor (62.5 ml of liquor) ratio at 98℃ for 30 min and finally rinsed thoroughly in tap water before being allowed to dry in the open air 1) The color strength (K/S) of the each of the two dry, dyed samples is measured using spectrophotometer and the extent of apparent fixation (%) achieved is calculated using following Eqn 2 :…”

Section: Dyeingmentioning

confidence: 99%

Reactive Dyeing Properties of Cotton/hemp Blend

Lee¹,

Kim²,

Kim³

et al. 2009

Textile Coloration and Finishing

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-A mixed bi-functional reactive dye has been applied to the cotton and the cotton/hemp blend and their dyeing and fastness properties were compared. The cotton/hemp blend exhibited higher exhaustion values and better build-up property than cotton, presumably due to the lower crystallinity. Hence, the reproducibility of dyeing of hemp is expected to be excellent. Fastness properties of reactive dyes on cotton and cotton/hemp blend are found to be almost identical. The results obtained suggest that hemp in cellulosic fabric could be used as an important alternative to universal cotton in cellulose fabrics.

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“…It has been reported [2][3][4][5][6][7] that the cotton fabric is treated with various chemicals prior to dyeing to improve its dyeability with reactive dyes and to facilitate dyeing at neutral pH. 8,9 In our earlier study 10 we have dealt with the effect of solvent-induced partial cyanoethylation and hydroxylation of cyanoethyl group on the physio-chemical properties of cotton fabric and found that hydroxylation of cyanoethyl group results in formation of amide group. Recently Bhattacharya and Agarwal 11 have reported the amide group formation on cellulose structure after polyacrylamide-hydrazine treatment on cotton and feasibility of neutral dyeing with reactive dyes.…”

Section: Introductionmentioning

confidence: 99%

Effect of solvent induced hydroxylation of cyanoethyl group on dye uptake of cotton fabrics

Subha

Thambidurai

2008

J of Applied Polymer Sci

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The present investigation deals with the dyeing behavior of solvent induced cyanoethylated cotton fabric. The modified cotton fabric was dyed by conventional method with commercial reactive dye (Drimarene Red). It is observed that acetone induced cyanoethylated samples exhibit higher color values than ethanol treated samples. The effect of nitrogen content on the dye uptake of modified fabric is assessed which shows a good correlation between them. It is obvious that crystallinity has a noticeable effect on the dye uptake of both solvent modified fabrics. For convenience and comparison, a set of samples are also dyed without addition of salt, alkali, and both. It is evident that even without addition of salt, alkali and both the samples exhibit a significant dye uptake.

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Modification of cotton to improve its dyeability. Part 1 — pretreating cotton with reactive polyamide‐epichlorohydrin resin

Cited by 51 publications

References 8 publications

Preparation, Characterization and Application of Ultra-Fine Modified Pigment in Textile Dyeing

Preparation, Characterization and Application of Ultra-Fine Modified Pigment in Textile Dyeing

Reactive Dyeing Properties of Cotton/hemp Blend

Effect of solvent induced hydroxylation of cyanoethyl group on dye uptake of cotton fabrics

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