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The purpose of auxiliaries is to facilitate a textile process and/or increase its efficiency. They serve as sizing materials,

lubricants, wetting agents, emulsifiers, agents accelerating or decelerating the dyeing rate, thickeners, binders, etc.

often with considerable overlap in the functions and abilities of a specific chemical. Compounds used encompass

many different chemical classes, some of which are affected by enzymes and thus can be regarded as substrates, and

some of which remain unaffected. Owing to environment and economical concerns, auxiliaries are used as sparingly 

as possible.

Once the respective process is terminated they are to be removed completely from the treated material; however,

traces could still be present and interfere negatively with subsequent processing steps

HERE ARE SOME OF THE AUXILIARIES USED IN TEXTILE

Organic DefoamersOrganic defoamers is a silicone based proprietory product used extensively in a

variety of industrial batch processing applications.In case of textile it acts as an

effective antifoam during jet dyeing and for production of predefoamed surfactants fortextiles and other applications. Organic defoamer which effectively kills and

suppresses foam formation in a wide variety of textile processes. Organic defoamer

has a high flash point and functions well in variety of application.

Hydrophilic SoftenersWe specialize in providing a spectrum of hydrophilic softeners, which is a textile

treatment composition that contains siloxanes. These siloxanes have epoxy andglycol- functionalities as well as an aminosilane or a silicone quaternary ammonium

compound. Formulated as an aqueous emulsion, our hydrophilic softeners impart

durable hydrophilicity to textiles, such as cotton fabric and others. 

1. Quaternary ammonium cations, also known as quats, are positively charged polyatomic ions of

the structure NR4+, R being an alkyl group or an arylgroup.

Quaternary ammonium salts are used as fabric softeners, and as antistatic agents (e.g.

in shampoos). In liquid fabric softeners, the chloride salts are often used. In dryeranticling strips,the sulfate salts are often used.

2. Triethylamine is the chemical compound with the formula N(CH2CH3)3 

Triethylamine is mainly used in the production of quaternary ammonium compounds for textile

auxiliaries and quaternary ammonium salts of dyes 

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3. Tannic acid is a specific commercial form of tannin, a type of polyphenol. Its

weak acidity (pKa around 6) is due to the numerous phenol groups in the structure. The chemical

formula for commercial tannic acid is often given as C76H52O46, Tannic acid is a

common mordant used in the dyeing process for cellulose fibers such as cotton, often combined

with alum and/or iron..

A mordant is a substance used to set dyes on fabrics or tissue sections by forming

a coordination complex with the dye which then attaches to the fabric or tissue.[1]

 It may be used

for dyeing fabrics, or for intensifying stains in cell or tissue preparations. In the past, it was

thought that a mordant helped the dye bite onto the fiber so that it would hold fast during washing.

Mordants include tannic acid, alum, urine, chrome alum, sodium chloride, and

certain salts of aluminium, chromium, copper, iron, iodine, potassium, sodium, and tin. 

4. An acid dye is a dye, in chemical regard a sodium (less often –ammonium) salt

of a sulfonic, carboxylic or phenol organic acid. Acid dye is soluble in water

and possesses affinity for amphoteric fibers while lacking direct dyes' affinity

for cellulose fibers. When dyeing, ionic bonding with fiber cationic sites

accounts for fixation of colored anions in the dyed material. Acids are added

to dyeing baths to increase the number of protonated amino-groups in fibers. 

In the laboratory, the home or art studio, the acid used in the dyebath is oftenvinegar (acetic acid) or citric acid. The uptake rate of the dye is controlled with

the use of sodium chloride. In textiles, acid dyes are effective

on protein fibers, i.e. animal hair fibers like wool, alpaca andmohair. They are

also effective on silk. They are effective in dyeing the synthetic fiber nylon but

of minimal interest in dyeing any othersynthetic fibers.

Acid dyes fall into several classes:

  Leveling acid or strong acid dye, 

  Milling or weak acid dyes, and  Super milling or fast acid or neutral acid dyes.

5. Azo dyes: The structure of azo dyes is based on azobenzene, Ph-N=N-Ph (see

right showing cis/ trans isomers) Although Azo dyes are a separate class of 

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dyestuff mainly used in the dyeing of cotton (cellulose) fibers, many acid dyes

have a similar structure, and most are red in color. 

6.

Is a colourless, anionic liquid ,miscible with water in any proportion.

AQUA SOFT VH has excellent dispersing and sequestering action which is

beneficial in washing/soaping as well as in dyeing processes. It does not impair

the shade of dyed goods or adversely affect their fastness properties.

Applications

Exhaust Method AQUA SOFT VH, due to its dispersing and complexing properties improves

the depth of colour, levelness and fastness of the dyeing viz. vat,Naphthol/Base, Direct, Reactives. 

Recommended quantity 1-3 gms/liter

Padding Method AQUA SOFT VH due to its dispersing and sequestering properties is very

useful during padding operation particularly when water used is very hard. It

improves the brightness as well as colour yield and keeps the rolls clean during

silicate padding.

Recommended quantity 1-2 gms/liter

7.  AUXI IN UDI 

Properties

Salient Feature

Kills +B2 metal, ions like fe etc

Phosphate-free, polymer based sequestering agent with dispersing properties

Application - Dyeing

AUXI IN UDI can be applied both in the exhaust bath as well as in padding processes.

In the exhaust dyeing of reactives and vats prior addition of 1-2% of AUXI IN UDI in the

dyebath prevents Ca and Mg ions interfering with the dyeing process, particularly when

using hard water.

In the dyeing of reactives by cold pad-batch process the addition of 2-3 gm/I AUXI IN UDI

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in the padding solution gives dyeing with good levelness and solidity for the same reason.

Addition of 2 gm/I AUXI IN UDI during the washing of reactive dyeing helps in the rapid

removal of unfixed dye. This leads to improved rub fastness of the dyeings. Additionally,

during washing-off of cold pad-batch dyeings the addition of 2 gm/I of AUXI IN UDI in the

washing bath helps in the quick removal of sodium silicate from the fabric.

8. 

Properties

Salient Feature Kills metal ions like fe etc

Phosphate-free, polymer based sequestering agent with dispersing properties

Application - Dyeing

AUXI IN DE SAN can be applied both in the exhaust bath as well as in padding

processes. 

In the exhaust dyeing of reactives and vats prior addition of 1-2% of AUXI IN DE

SAN in the dyebath prevents Ca and Mg ions interfering with the dyeing process,

particularly when using hard water.

In the dyeing of reactives by cold pad-batch process the addition of 2-3 gm/I

AUXI IN DE SAN in the padding solution gives dyeing with good levelness and

solidity for the same reason.

Addition of 2 gm/I AUXI IN DE SAN during the washing of reactive dyeing helps

in the rapid removal of unfixed dye. This leads to improved rub fastness of the

dyeings. Additionally, during washing-off of cold pad-batch dyeings the addition

of 2 gm/I of AUXI IN DE SAN in the washing bath help in the quick removal of 

sodium silicate from the fabric.

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  LYOCOL RDNI LIQ A high-pressure stable, super dispersant for dyeing with

disperse, naphthol, vat and indigo dyes.  ALINE FI LIQ A versatile dispersing, levelling and emulsifying agent.

  LYOCOL POD Special dispersing agent for use in dyeing Polyester fibres in

order to reduce the precipitation and deposition of oligomers on the goods and

in the dyeing machines

  DISPERSOGEN S Low salt, low foaming, anionic dispersing agent

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dispersing agents for dyeing of polyester, wool, silk & cotton

  LYOCOL RDNI LIQ A high-pressure stable, super dispersant for dyeing with disperse, naphthol,

vat and indigo dyes.

  ALINE FI LIQ A versatile dispersing, levelling and emulsifying agent.

  LYOCOL POD Special dispersing agent for use in dyeing Polyester fibres in order to reduce theprecipitation and deposition of oligomers on the goods and in the dyeing machines

  DISPERSOGEN S Low salt, low foaming, anionic dispersing agent

Waterproof ChemicalsRUBSOL silicone waterproof chemicals are ready to use that is based on

silane/siloxane. dilute solution serve as high-quality general-purpose water repellents

for impregnating and ptiming mineral and highly alkaline substrates.

Features: 

  Good penetration capacity

  High alkaline resistance

  Track-free drying

  Effective even on damp substrates

  Water repellency develops fast

After application, waterproof chemicals reacts with the atmospheric moisture or pore

water in substrate, therby generating the active ingredient and liberating alcohol. The

active ingredient greatly lowers the water absorbency of the substrate. Since neither

pores nor capillaries are clogged, the substrate retains a very high degree of watervapour permeability.

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