Textile color application processes

Aspland, J. R.

doi:10.1002/col.5080080403

Cited by 22 publications

(35 citation statements)

References 2 publications

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“…One of the colour systems on which most colorimetric is based on is the CIE L*a*b*system [23,24]. To check if nanofibres cover more collector surface or not, some measurements in a reflexion spectrofotometer were made.…”

Section: Change In Colourmentioning

confidence: 99%

Influence of Glyoxal in the Physical Characterization of PVA Nanofibers

Blanes

Gisbert

Marco

et al. 2010

Textile Research Journal

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The influence of solution composition is directly related with Poly (vinyl alcohol) PVA nanofibres properties. Electrospinning is a viable technique to develop PVA nanofibres. The presence of a crosslinking agent as glyoxal can produce variations not only in anti-water solubility effect but in the morphology of the electrodeposited fibres. The objective of this study was to characterize glyoxal influence on PVA nanofibres. Thus we studied fibre dimensions, weight of deposited fibres, fibre crystallinity. The relation between those properties and nanofibres web´ ones (colour, opacity and roughness) were studied. In this study we changed glyoxal concentration.SEM, DSC and AFM showed changes in fibres properties. We could observe how diameter fibre increased, collector surface was widely covered, and fibre crystallinity decreased. Regarding to web properties, roughness decreased and colour turned into more whiteness. Glyoxal Poly (vinyl alcohol) KEY WORDS Nanofibres

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Section: Change In Colourmentioning

confidence: 99%

Influence of Glyoxal in the Physical Characterization of PVA Nanofibers

Blanes

Gisbert

Marco

et al. 2010

Textile Research Journal

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“…9 Coloration of nylon fabrics with acid dyes uses the same ionic interactions between protonated amino end groups of the polyamides and sulfonate or carboxylic acid groups of the dyes. 10 A similar approach in developing durable antimicrobial nylon was attempted in this research group by subsequently adding reactive agents that are interactive with the incorporated acidic dyes. 11 The results were very encouraging, with the antimicrobial functions surviving 10 Launder-Ometer washes.…”

Section: Introductionmentioning

confidence: 97%

Durable antimicrobial nylon 66 fabrics: Ionic interactions with quaternary ammonium salts

Son

Sun

2003

J of Applied Polymer Sci

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Acidic or basic dyeing of fibers involves ionic interactions between reactive groups on the polymers and dye molecules. Such interactions can be utilized in the functional finishing of fabrics. This article discusses a new approach of employing the ionic interactions between anionic carboxylic end groups of polyamides and cationic quaternary ammonium salts in the chemical finishing of nylon fabrics to achieve desired durable antimicrobial functions. The finishing conditions such as pH, finishing temperature, and time were studied, and the pH of the finishing bath was very critical in affecting the ionic interactions and thus exhaustion of the salts on the fabrics. The finishing process should be carried out at a temperature above the glass transition temperature of nylon 66. The finished products demonstrated excellent durability of antimicrobial functions.

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“…The physical chemistry associated with dyeing has been described and discussed in detail for many years (3,27,28,33,34).…”

Section: Physical Chemistry Of Dyeingmentioning

confidence: 99%

Dyeing

Bide

2016

Kirk-Othmer Encyclopedia of Chemical Technology

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DYEINGFor those who see color, the world is a colorful place. Most humans have color vision and they enjoy and appreciate the wide palette of nature. We use colors to imitate nature, and to decorate our environment, our food, and ourselves. For most colors under human control, a colorant can be included when an item is formed (such as for an extruded plastic object) or combined in some medium that is applied to a surface (eg, paints and cosmetics). For clothing, furnishing, and in many other end-uses, textile materials are ubiquitous. The process of dyeing, in which a colorant penetrates the substrate, is used to color them. The same dyeing process is occasionally used to color paper and leather, and textiles can be colored by nondyeing means, but textiles and dyeing have a high degree of mutual inclusivity.The global consumption of textiles in 2012 was estimated at 83 million tonnes, of which 55 million tonnes was synthetic (including almost 40 million tonnes of polyester) and 23 million tonnes was cotton. Manufactured cellulosic and other natural fibers constituted the remaining 5 million tonnes (1). Fiber use has continued to increase at a rate faster than the growth of population. Dye is applied to these fibers at a rate of approximately 1-2%, ie, the annual production of synthetic dyes is approximately 1 million tonnes (2,3).Dyeing occurs when a soluble colorant is adsorbed at the surface of a fibrous substrate, and then diffuses into the substrate. What follows is a detailed examination of this basic process in both theoretical and practical terms. Dyes, Pigments, and FibersColorants are typically divided into dyes and pigments. The demarcation between them is primarily based on their solubility; a pigment relies on insolubility of the medium in which it is dispersed, while a dye requires some degree of solubility, maybe low or maybe temporary, that will allow it to diffuse into the polymeric matrix of a textile fiber. In order for a colored substance to be considered as a useful dyestuff, factors beyond solubility are required. A dyestuff must be substantive for a textile and thus be preferentially taken up by the fiber, usually from an aqueous solution. The uptake should be high enough to be economic, and the rate at which the dyeing occurs should be controllable to give a uniform level result. The dyed textile should have satisfactory fastness for the intended end use. The process of dyeing therefore combines chemistry, application technology, economics, and customer needs.1.1. Dyes: Natural vs Synthetic. Dyeing is an ancient practice. Originally, all dyes were of natural origin obtained locally from plants and even animals. Tyrian purple, obtained from a species of whelk, gave rise to the "purple of the emperors," its elevated status arising from the cost and effort involved in extracting useful quantities of colorant. As communication developed, dyes and dyed textiles were among the important items of trade, and technically superior natural dyes often supplanted local materials. Indigo from India and M...

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Textile color application processes

Cited by 22 publications

References 2 publications

Influence of Glyoxal in the Physical Characterization of PVA Nanofibers

Influence of Glyoxal in the Physical Characterization of PVA Nanofibers

Durable antimicrobial nylon 66 fabrics: Ionic interactions with quaternary ammonium salts

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