Study on One-Bath Dyeing Technology and its Application for Disperse/Reactive Dyes on Polyester/Viscose Blended Fabrics

2012 ◽  
Vol 441 ◽  
pp. 116-121
Author(s):  
Guang Ming Wang ◽  
Lan Zhou ◽  
Jun Li Chen ◽  
Guang Jie Cheng ◽  
Zhong Fa Hu
Keyword(s):  
Acetic Acid ◽  
Reactive Dyes ◽  
Disperse Dyes ◽  
Buffer System ◽  
Color Strength ◽  
Key Technology ◽  
Dyeing Process ◽  
Traditional Process ◽  
One Bath Dyeing ◽  
The One

In order to shorten dyeing process, increase yield and reduce consumption of water and alkaline, the one-bath two-stage heating dyeing process was used for reactive/disperse dyes. The key technology of this research was adding alkaline when polyester/viscose (cotton) blended fabrics were dyed by reactive dyes,and then adding acetic acid when dyed by disperse dyes. During this process, acetic acid and alkali neutralize, and sodium acetate and acetic acid form a buffer system, which greatly improves dyeing reproducibility. The results of factory trial showed that color strength and color fastness of polyester/viscose (cotton) blended fabrics dyed by this process were as same as those achieved by the traditional process.

Investigation of Cotton Dyeing with Enzyme-Oxygen-Pretreatment/Reactive Dyes in one-Bath

2011 ◽  
Vol 233-235 ◽  
pp. 903-908
Author(s):  
Jun Hua Wang ◽  
Jian Feng Di ◽  
Yong Tang Jia
Keyword(s):  
High Efficiency ◽  
Reactive Dyes ◽  
Cotton Fabrics ◽  
Optimum Conditions ◽  
Dyeing Process ◽  
Low Energy Consumption ◽  
One Bath Dyeing ◽  
The One ◽  
Red Dye ◽  
Short Time

Desizing-scouring-bleaching-dyeing of cotton fabrics in one-bath was discussed in this paper. The appropriate reactive dyes, refined enzyme and H2O2 elimination agent and dyeing technology parameters were selected preciously and the optimum conditions were obtained: H2O2 (30%) 4 g/L, refined enzyme 2 g/L, Na2SiO3 2g/L, Peregal O 1 g/L, bath ratio 1:20, scoring and bleaching at 95°C for 45min. Then, adding sulfourea 12g/L, controlling pH 7, adding reactive red dye 3BS 3% in raffinate, dyeing at 35°C for 30min and fixing at 70°C for 30 min. Compared the one-bath process with the traditional one, the former can get similar performance on dyeing. In addition, the former shows such advantages as short time, high efficiency, low energy consumption and reduced sewage emission. “One-bath” dyeing process is a promising approach to replace the old one.

scholarly journals One-bath One-step Dyeing of Polyester/Cotton (PC) Blends Fabric With Disperse Dyes After Acetylation of Cotton

2021 ◽  
Author(s):  
Girmaye Kumsa Bana ◽  
Gemeda Gebino Gelebo ◽  
Gezu Ketema Janka
Keyword(s):  
Tensile Strength ◽  
Surface Modification ◽  
Disperse Dyes ◽  
Disperse Dye ◽  
Color Strength ◽  
Acetyl Content ◽  
Dyeing Process ◽  
One Step ◽  
The One ◽  
Dyed Fabric

Usually, the two-bath dyeing process using disperse dyes and reactive dyes separately was employed for the dyeing of PC blends. The cost of the double bath, dyeing cycle, energy consumption and chemical consumption is quite higher than the one-step or single bath dyeing methods. In this study, the one-bath dyeing process using one kind of dye was investigated. Polyester cotton blends dyed in one-bath one-step dyeing methods with disperse dye after surface modifications of cotton by acetylation methods were studied. Surface modification of cotton was carried out using fibrous acetylation methods. The effect of acetic anhydride and time on percent acetyl content at room temperature was studied. Modified polyester/cotton was carried out in HTHP dyeing machine incorporates with different dye concentrations and dyeing temperature. Surface chemistry, thermal decomposition property and moisture regain of modified polyester/ cotton blend are evaluated. The color strength of the dyed fabrics and their fastness properties to washing, light, and rubbing as well as tear strength and abrasion resistance were evaluated. The effect of dye concentration and temperature color strength, tensile strength warp and weft direction was assessed. The optimum value for surface modification was obtained with a concentration of acetylation agent 16% and time of reaction 2.5 hours, gave percent acetylation of 34. An FTIR spectrum shows acetylation resonance. The experiment result of dyeing showed that the optimum value was obtained with dye concentration above 1% at a temperature of 120oC, warp tensile strength decreased by 12% and weft tensile strength was decreased by 9% from the control half-bleached fabric. Results of this study showed that a one-step one-bath dyed modified polyester/cotton blend with disperse dye fabric presents good fastness property compared with conventional two-bath dyed fabric as well as colour strength values.

Dyeing of Polyester/Cotton Blends with Encapsulated Disperse/Reactive Dyes for a One-Bath Auxiliary-Free Process

2012 ◽  
Vol 441 ◽  
pp. 61-65
Author(s):  
Chun Li Meng ◽  
Yan Wei Wang ◽  
Ji Liang Cao
Keyword(s):  
Reactive Dyes ◽  
Disperse Dyes ◽  
Environment Protection ◽  
Dyeing Process ◽  
Free Process ◽  
One Bath Dyeing ◽  
Suitable Modification

Research onthe one-bath dyeing process of encapsulated disperse dyes and reactive dyes on polyester/cotton blends showed that through the suitable modification before dyeing, polyester/cotton blends could be dyed with encapsulated disperse/reactive dyes in an auxiliary-free, one-bath method. The dyed goods attained excellent levelness and fastness. The residual dye in the final baths were very low. Thus, cleaner dyeing production and environment protection can be realized.

Part 1

2017 ◽  
Vol 21 (3) ◽  
pp. 219-238 ◽  
Author(s):  
Debojyoti Ganguly ◽  
Chanchal Mondal ◽  
Asim Kumar Roy Choudhury
Keyword(s):  
Sodium Sulphate ◽  
Silk Fibre ◽  
Blend Ratio ◽  
Content Type ◽  
Dyeing Process ◽  
Colour Strength ◽  
Dye Absorption ◽  
Single Bath ◽  
One Bath Dyeing ◽  
The One

Purpose In recent times, wool- and silk-blended fabrics are popular for creating glamourous products. Silk is blended to wool for creating more lustrous effect and to impart strength; on the other hand, wool is responsible for resilience, softness and warmth properties. Chemically both the fibres are protein-based, but the amount of amino acids is different. Due to this, the dye absorption behaviours of the two fibres from the same dye-bath are different. Wool is become darker than the silk fibre, if both the fibres are dyed together in a single bath dyeing process. Design/methodology/approach Here the wool fibres are first pre-treated with a commercial synthetic tanning agent (syntan) Mesitol HWS at three different pH values of 2.2, 3.2 and 4.2 and at three different concentrations: 5, 10 and 15 per cent. Then the syntan pre-treated wool fibres are dyed together with silk fibres maintaining the blend ratio as 80:20 by Telon Red MR, Telon Yellow M4GL and Telon Blue MRLW with sodium sulphate at three different concentrations of 10, 20 and 30 per cent. Findings The dye absorbency of the syntan-treated wool fibres decreased with increase in syntan concentration, whereas the colour strength of silk fibres increased. The resist effectiveness of wool fibres is increased from 6 to 59 per cent with increase of syntan concentration. So after the dyeing process, the colour strength of syntan-treated wool fibres are almost same with the colour strength of silk fibres. The washing fastness of the samples is improved, and wash fastness behaviour of both wool and silk fibres is almost same. Originality/value This paper gives an idea about the one bath dyeing process of wool- and silk-blended fabrics to achieve solid dyeing effect.

scholarly journals Dyeing of Innovative Bicomponent Filament Fabrics (PET/PTT) by Disperse Dyestuffs: Characterization and Optimization Process

Processes ◽  
2020 ◽  
Vol 8 (5) ◽  
pp. 501 ◽  
Author(s):  
Marwa Souissi ◽  
Ramzi Khiari ◽  
Wafa Haddar ◽  
Mounir Zaag ◽  
Nizar Meksi ◽  
...  
Keyword(s):  
Elastic Recovery ◽  
Chemical Properties ◽  
Disperse Dyes ◽  
Physical And Chemical Properties ◽  
Color Strength ◽  
Scanning Calorimetry ◽  
Dyeing Process ◽  
The Stability ◽  
Physical And Chemical ◽  
And Chemical Properties

PET/PTT bicomponent filaments yarn is produced by two polymers: the polyethylene terephthalate (PET) and the polytrimethylene terephtalate (PTT) extruded side by side. This yarn is known for its high mechanical properties in particular elasticity and elastic recovery. However, differences between physical and chemical properties of the two components make the dyeing step of this yarn complicated. The aim of this work is the development of a dyeing process for bicomponent filaments without altering their physical and chemical properties. Different techniques such as SEM, FTIR, and differential scanning calorimetry (DSC) were used to characterize the studied yarn. For dyeing, three different disperse dyes CI Disperse Red 167.1, CI Disperse Yellow 211, and CI Disperse Red 60 with different energy classes were studied. The influence of dyeing conditions in particular dyeing temperature, pH of dye bath, dyeing time, and carrier concentration in the dye bath was evaluated. Responses analyzed are color strength (K/S), colorimetric coordinates and color fastness of samples dyed with studied dyes. In addition, the stability of elasticity and elastic recovery of bicomponent filament fabrics after the dyeing process has been also verified and proved.

One-Bath Dyeing Technology for Cotton Blended Fabric - Part 1: Elaboration of a Dyebath Content

2018 ◽  
Vol 762 ◽  
pp. 385-389 ◽  
Author(s):  
Anna Borisova
Keyword(s):  
Disperse Dyes ◽  
Industrial Testing ◽  
One Step ◽  
One Bath Dyeing ◽  
The One

The present study deals with the one-step one-bath dyeing of twill weaved 50/50 cotton/polyester blended fabric using disperse dyes only. The study includes dyeing recipe development, considering the determination of optimum concentrations of dyestuff and auxiliaries, and sufficient pH of dyebath. The proposed method is time consuming and hence can be recommended for industrial testing.

One-Bath Dyeing Technology for Cotton Blended Fabric - Part 2: Assessment of Colouration Effectiveness

2018 ◽  
Vol 762 ◽  
pp. 390-395 ◽  
Author(s):  
Anna Borisova
Keyword(s):  
Colour Change ◽  
Alkaline Treatment ◽  
Disperse Dyes ◽  
Material Base ◽  
Instrumental Approach ◽  
Colour Measurements ◽  
One Step ◽  
One Bath Dyeing ◽  
The One ◽  
Effective Product

The present study deals with the one-step one-bath dyeing of with/without alkaline treatment of twill weaved 50/50 cotton/polyester blended fabric using disperse dyes only. The dyeing results are studied by colorimetric colour measurements, applying instrumental approach, and colour change during fastness tests. Several testing methods are designed and adapted to the disposable technical and material base. The results are found to be promising as an alternative dyeing technology and for effective product quality assessment.

Photodegradation of hydrophobic disperse dyes and dye-bath effluents by silicadodecatungstate (SiW12O404-/5-) nanoparticles

2004 ◽  
Vol 49 (4) ◽  
pp. 171-176 ◽  
Author(s):  
I. Arslan-Alaton ◽  
S. Dogruel
Keyword(s):  
Chemical Oxidation ◽  
Reduced Form ◽  
Disperse Dyes ◽  
Power Ultrasound ◽  
Substrate Complex ◽  
Rate Limiting Step ◽  
Uv Photodegradation ◽  
The One ◽  
Rate Limiting ◽  
Decolorization Kinetics

Polyoxometalate (POM) silicadodecatungstic acid has been applied as a photochemical catalyst for the degradation of ®SETAPERS Black WNSP, a disperse dyestuff preparation widely used to dye polyester and polyamide fabrics. It could be demonstrated that the disperse dyestuff was photo-reduced by SiW12O405-, the one electron-reduced form of POM, as evidenced by Heteropolyblue (HPB) formation. For completion of the photochemical redox cycle, isopropanol (IsOH) was required. Acetone (Ac) served solely as an effective solute and photosensitizer; however this effect was suppressed in the presence of POM. Threshold (0.087 mM) and optimum (0.375 mM) POM concentrations existed and decolorization kinetics were inhibited upon the addition of dye auxiliary chemicals. Increasing the dyestuff concentration from 50 mg/L to 150 mg/L did not affect initial decolorization kinetics revealing that not the formation of the excited [POM-Substrate]* complex, but its reduction to HPB was the rate limiting step. POM-mediated, IsOH-assisted UV-photodegradation of disperse dyes and dye-baths is by far more effective than applying other, more well known chemical oxidation methods (O3, H2O2/UV, Power Ultrasound). Key to the action of POM redox catalysts is the feature that particularly heteropoly tungstates undergo facile re-oxidation to their original state, thus allowing regeneration of the photocatalyst, a feature that may become critical for real-scale application.

A novel functional disperse dye doped with graphene oxide for improving antistatic properties of polyester fabric using one-bath dyeing method

2019 ◽  
Vol 90 (5-6) ◽  
pp. 655-665 ◽  
Author(s):  
Lihua Fan ◽  
Yongsong Tan ◽  
Jeremiah Amesimeku ◽  
Yunjie Yin ◽  
Chaoxia Wang
Keyword(s):  
Graphene Oxide ◽  
Polyester Fabric ◽  
Disperse Dye ◽  
Reduction Time ◽  
Dyeing Process ◽  
Functional Dyes ◽  
One Bath Dyeing ◽  
Dyeing Method ◽  
Dyed Fabric ◽  
Microscopic Morphology

A novel functional disperse dye doped with graphene oxide for antistatic properties of polyester fabric was achieved, which means that the dyeing and antistatic finishing can be simultaneously obtained by a one-bath method. Functional dyes were used to dye polyester fabric by a high-temperature, high-pressure dyeing method. The surface microscopic morphology of the dyed polyester fabric, and the dispersion properties of the disperse dye, graphene oxide, and the functional disperse dye, were characterized by scanning electron microscopy. The effects of the dyeing temperature on the particle sizes of three dyeing liquors were explored; this revealed that the temperature of the dyeing process had no effect on particle size. The dosage and reduction time of graphene oxide were investigated. The surface electrical resistance of the dyed fabric, 9.8 × 106 Ω, obtained at a condition of 2% (o.m.f) graphene oxide with a reduction time of 30 min, achieved A-grade antistatic standard. Furthermore, the rubbing and washing fastness of the treated fabric were 4- and 4 ∼ 5 grades, respectively. This preparation of the functional disperse dye provides a possibility in one-bath dyeing and antistatic finishing of polyester fabric.

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