EMULSIFYING CUM WETTING AGENT

Introduction
Americos Extracta XL is a highly concentrated emulsifier cum wetting agent. It is recommended for scouring process. It removes all natural as well as added impurities from cotton and improves the absorbency of fabric.

Americos Extracta XL is a biodegradable linear alcohol derivative with emulsifying and dispersing action necessary for the removal of oily and waxy contamination from textiles.

Americos Extracta XL is widely applicable in continuous pretreatment of all types of fibers and their blends.

The most outstanding effects of Americos Extracta XL:

• Excellent scouring agent with good wetting and detergent action
• Removes oily contamination and sizes of all types producing a high degree of purification and absorbency
• The good enzyme compatibility and good wetting and detergent action allow its application in all enzymatic-desizing processes
• Its good stability over the entire pH range ensures its versatile application encompassing desizing, scouring and bleaching

Properties

Appearance	Clear, colorless to light yellow, slightly viscous liquid
Chemical character	Fatty alcohol alkoxylates and glycol ethers
Ionic nature	Nonionic
pH (1% dilution)	5.5
Stability to hard water	Good
Stability to Alkalis	8oBe caustic soda
Stability to acid	pH 1
Salts	Good

Compatibility with

Anionic/nonionic/cationic substance	Good
Enzyme compatibility	Very good
Foam formation	Moderate

Mode of action

Americos Extracta XL wets out, washes, extracts, emulsifies, disperses and leaches out impurities in all continuous and discontinuous pretreatments.

Americos Extracta XL has an emulsifying effect even at room temperature, e.g. on mineral oil contamination, so that it becomes readily removable by subsequent hot rinsing.

Americos Extracta XL produces a good degree of scouring and imparts good absorbency to fabric.

Americos Extracta XL removes synthetic sizes of all types as well as starch sizes and their derivatives from desized fabric.

Scope of application

Thanks to its versatile action. Americos Extracta XL can be applied very widely to pretreatment, primarily as an ecologically acceptable detergent for textile materials made of cellulosic fibers, synthetic fibers and their blends, including colored articles.

Application examples

• Scouring of goods fully white as well as dyed articles
• Removal of sizes by all desizing processes
• Removal of mineral oil contamination in an aqueous medium
• Scour boiling, including reductive or oxidative alkali treatments in liquors up to 8^o Be caustic soda (55 g/lNaOH)
• Bleaching by all usual methods with sodium hypo chlorite and hydrogen peroxide

Application
1. Removal of water soluble sizes

1. Continuous open width washer
   • 2 - 4 g/l Americos Extracta XL at 95oC in appropriate washing boxes, rinse in final compartment at 95^°C
2. Pad batch
   • 4-8g/l Americos Extracta XL
   • Pad, batch 4 - 6 hours at room temperature.
   • Rinse at 80°- 90°C.

2. Enzymatic desizing

1. Continuous applications
   • 2-5g/l Americos Extracta XL
   • 1-5g/l Americos Amylase 180
   • Run appropriate conditions for enzyme. Rinse hot.
2. Discontinuous application (liquid ratio: 1:8 - 1:20)
   • 2-4g/l Americos Extracta XL
   • 2-3g/l Americos Amylase 180
   • Run appropriate conditions for enzyme. Rinse hot

3. Scouring

1. Continuous
   • 5-3g/l Americos Extracta XL
   • 40-60g/l caustic soda (100%)
2. Discontinuous (liquor ratio 1:8 - 1:20 )
   • 2-5g/l Americos Extracta XL
   • 2-4g/l soda ash
   • 3-8g/l caustic soda 100%
   • Start cool. Heat to 95°C, hold 30 - 60 min. Rinse hot then cold.

4. Peroxide bleaching

1. Semi-continuous - cold, pad, batch
   • Add: 5 - 10 ml/l Americos Extracta XL to cold pad batch bath.
2. Continuous hot bleaching.
   • Add: 1- 8 ml/l Americos Extracta XL to bleach bath.
3. Discontinuous
   • Add: 1 - 4 ml/l Americos Extracta XL to bleach bath.

Storage & handling precautions

• Store in a cool/dry place
• Avoid storing in direct sunlight
• The shelf life of Americos Extracta XL is one year, if storage temperature is below 30°C
• The usual storage, handling, usage and safety precautions should be observed

Technical Service
Information covering specific application of this product is available. Americos Industries will work with customers to enhance processes and solve problems. Let us know what you need and we will assist you.

Introduction :
Americos stabilizer NBL is an organic peroxide stabilizer cum chelating agent for silicate free bleaching. It shows excellent stabilization of peroxide at low concentration. It can work under alkaline pH (up to pH 13)

The Features of Americos stabilizer NBL are

• Applicable for both continuous and batch process
• Enhances degree of whiteness
• Replaces sodium silicate completely
• Prevents catalytic damage by forming complex with heavy metal ions
• Stable in highly concentrated alkali (up to 180 gm/ltr.)
• Low foaming
• Eco-friendly

Properties :

Appearance	Yellow Liquid
Chemical character	Mixture of polycarboxylic acid
Ionic Nature	Anonic
Solubility	Readily soluble in water
pH (on 1% solution)	7 ± 1
Foaming property	Non-foaming

Stability in

Hard water	Good
Acids	Very good
Alkalies	Very good
Metal ions	Sequesters iron and copper ions

Compatibility with

Non-ionic surfactant	Good
Anionic surfactant	Very good
Solvent based surfactant	Very good
Organic sequestrants	Good
Reducing / oxidizing agent	Good

Application Methods
Americos stabilizer NBL is applied by following techniques:

1. Batch application (Jigger, Soft-flow m/c, Winch, Wash wheel)

Americos stabilizer NBL	: 0.5-1 gll
Americos Extracta AL	: 1 gll
Caustic soda	: 2 - 3 gll
Hydrogen Peroxide (50% w/w)	: 2 - 5 gll
Temperature	: Near boil
pH	: 10.5 - 11
Time	: 45 - 60 min.

Drain the bath and give one hot wash and one cold wash.

2. Semi-continuous Application (Cold Pad-batch process)

Americos stabilizer NBL	: 3 - 5 gll
Americos Extracta AL	: 3 - 5 gll
Caustic soda	: 20 - 30 gll
Hydrogen Peroxide (50% w/w)	: 20 - 40 gll
pH	: 11.5 - 12.5

Impregnate the fabric with the above liquor (80% pick-up) and store for 12-24 hours. Give hot wash and cold wash.

3. Continuous Application (Pad-Steam process)

Americos stabilizer NBL	: 5 - 8 gll.
Americos Extracta XL	: 3 - 5 gll
Caustic soda	: 10 - 20 gll.
Hydrogen Peroxide (50% w/w)	: 20 - 40 gll
pH	: 11-12

Impregnate the fabric with the above liquor (80% pick-up) and steam for 20 minutes at 120^oC. Then followed by compartment wise hot wash, cold wash and peroxide removal.

Storage & handling precautions

• Store in a cool/dry place
• Avoid storing in direct sunlight
• Americos stabilizer NBL should be stored at ambient temperatures
• The shelf life of Americos stabilizer NBL is one year
• The usual storage, handling, usage and safety precautions should be observed

Technical Service
Information covering specific application of this product is available. Americos Industries will work with customers to enhance processes and solve problems. Let us know what you need and we will assist you.

Introduction :
Americos Sequester 2000 is an anionic, low foaming chelating / sequestering agent/ dispersing agent for metal ions and other impurities present in fibers and water. In the dyeing, Americos Sequester 2000 eliminates spotting of goods. It promotes soft hand and absorbency by preventing deposition of salts such of calcium, magnesium and iron. It disperses insoluble salts for easy rinsing.

The advantages of Americos Sequester 2000 are :

• Prevention of pinhole formation due to catalytic oxidation caused by iron during bleaching (chelates iron / heavy metals)
• During dyeing, it prevents spots, shade change and unlevelness by chelating heavy metals and dispersing impurities
• Increased productivity
• Improved rinsing due to scale inhibition (effective at low concentrations, such as in rinse baths)

Properties :

Appearance	Clear liquid
Ionic nature	Anionic
Specific Gravity	1.13 g/ml specific gravity
pH of (1% solution)	7.75

Application :
Application levels of 0.50 - 0.75 g/L of Americos Sequester 2000 are recommended to sequester and disperse hardness causing salts and other impurities in the fibers and water.

During fabric preparation, Americos Sequester 2000 also provides iron chelating to prevent fabric/yarn damage from catalyzed oxidation, disperses silicate salts, and provides additional stabilizing effect on the hydrogen peroxide.

In disperse and reactive dye baths, Americos Sequester 2000 sequesters metals, which can adversely affect the shade, depth, and levelness of the dyeing plus it performs as a dye dispersant.

Storage & handling precautions :

• Store in a cool/dry place
• Avoid storing in direct sunlight
• The shelf life of Americos Sequester 2000 is one year if storage temperature is below 30°C
• The usual storage, handling, usage and safety precautions should be observed

Technical Service :
Information covering specific application of this product is available. Americos Industries will work with customers to enhance processes and solve problems. Let us know what you need and we will assist you.

Introduction :
Americos Wettex 800 is a nonionic surfactant based, powerful wetting agent, derived from alkyl polyethylene glycol ethers family. It also contains higher alkylene oxides in small amounts. At room temperature it is a cloudy liquid and it tens to form sediment. It becomes clear liquid at 50°C. By virtue of the high level of surface activity, Americos Wettex 800 finds applications in textiles and in detergents and cleaners for household, industrial and institutional use.

Advantages :

• It is a very effective wetting agent. It can be employed in a variety of refining, mixing, impregnating and surface treatment processes
• Because of its nonionic nature, Americos Wettex 800 can be combined with anionic, cationic and nonionic surfactants and auxiliaries.
• Its compatibility with dyes, pigments, protective colloids, thickeners and other substances with molar mass in the upper range is also very good.
• It also performs well as emulsifier and it can be combined with other emulsifiers
• It can be used to disperse the solids generated by reactions. It can be used alone or in combination with protective colloids
• It is a powerful wetting agent for denim
• Americos Wettex 800 can be used to formulate acidic, alkaline, and neutral cleaners that satisfy many requirements

Note:
High concentrations of inorganic salts, bases and acids may impair the solubility of Americos Wettex 800.

Properties :

Physical form	Liquid
Concentration	100%
pH	7
Density	1.0 g/ cm3
HLB value	14
Ionic	Nonionic
Solubility	Soluble in water

Storage & Handling Precautions :

• In accordance with the current practices, the use of Americos Wettex 800 produces no ill effects. It also does not exert any harmful effects on health, provided they are used properly
• Protect the eyes and avoid prolonged contact with the skin. Safety glasses should be worn when handling these products in their undiluted form
• Store in a cool place, avoid storing in direct sunlight
• The usual precaution for chemicals should be observed
• Shelf life: If Americos Wettex 800 is stored properly, it has a shelf life of at least two years in their original packing.

Technical Service :
Information covering specific application of this product is available. Americos Industries will work with customers to enhance processes and solve problems. Let us know what you need and we will assist you.

Introduction :
Americos Extracta AL is highly concentrated solvent-based emulsifying and wetting agent. It is recommended for scouring process of all fibers. It removes all hydrophobic and oily impurities from fabric at low temperature.

Americos Extracta AL is recommended for batch process.

The most outstanding effects of Americos Extracta AL:

• Excellent scouring agent with good wetting and detergent action.
• Removes oily contamination and sizes of all types producing a high degree of purification and good absorbency
• It works excellent at low temperatures also

Properties :

Appearance	Clear, colorless to light yellow
Chemical character	Fatty alcohol alkoxylates and solvent
Ionic nature	Nonionic
pH (1% dilution)	7
Stability to hard water	Good

Compatibility with :

Anionic/nonionic/ cationic substance	Good
Enzyme compatibility	Not good
Foam formation	Moderate

Mode of action :
Americos Extracta AL wets out, washes, extracts, emulsifies, disperses and makes impurities soluble/removable in all suitable continuous and discontinuous stages of pretreatment

Americos Extracta AL has an emulsifying effect even at room temperature, e.g. on mineral oil contamination, so that it becomes readily removable by subsequent hot rinsing.

Application :
1 - Scouring :

• 5-30g/l Americos Extracta AL
• 40-60g/l caustic soda (100%)
• Pad the fabric with above recipe at 70-80% pick -up and steam for 10-20 min. Then give hot rinse and cold rinse in compartmental washing units

Discontinuous: (liquor ratio 1:8-1:20)

• 2-5g/l Americos Extracta AL
• 2-4g/l soda ash o 3-8g/l caustic soda 100%
• Heat to boil, hold 30-60 min. Give one hot rinse and one cold rinse.

Storage & handling precautions :

• Store in a cool/dry place
• Avoid storing in direct sunlight
• The shelf life of Americos Extracta AL is one year, if storage temperature is below 30°C
• The usual storage, handling, usage and safety precautions should be observed

Technical Service:
Information covering specific application of this product is available. Americos Industries will work with customers to enhance processes and solve problems. Let us know what you need and we will assist you.

Introduction :
Americos Retarder RT is a versatile retarder and leveling agent for dyeing of acrylic with cationic dyes.

The advantages of Americos Retarder RT :

• High affinity for acrylic fiber
• Lowers absorption rate of cationic dyestuffs, especially during the critical temperature phase (starting from 80°C)
• Level absorption of the dyestuffs
• Minimal effect on colour yield
• Low foaming

Properties :

Appearance	Liquid
Ionic nature	Cationic
Solubility	Readily soluble
pH value of 1% solution	4 - 5

Application
Americos Retarder RT can be pre-dissolved in cold or warm water or added in to dye bath directly. The amount to be applied depends on depth of the shade, the dyeing rate and the fiber type.

The following values are suggested :

Light shade	1.5 - 2% Americos Retarder RT
Medium shade	0.5 - 1.5% Americos Retarder RT
Dark shade	0.2 - 0.5% Americos Retarder RT

The addition of 5 - 10% sodium sulphate (on weight of material), further improves of the level dyeing effect.

Storage & handling precautions :

• Store in cool place
• Avoid storing in direct sunlight
• The shelf life of Americos Retarder RT is one year, if storage temperature is below 30° C
• The usual storage, handling, usage and safety precautions should be observed

Technical Service :
Information covering specific application of this product is available. Americos Industries will work with customers to enhance processes and solve problems. Let us know what you need and we will assist you.

Introduction
Americos Mercer EXL is an anionic wetting agent and stable to highly concentrated alkali solutions used in mercerizing. It is an extremely low foaming, mercerizing wetting agent with iron binding capacity.

The outstanding wetting power of Americos Mercer EXL assists problem free mercerization of grey cotton yarn and woven fabrics.

The Features of Americos Mercer EXL:

• Increases lustre
• Produces a soft handle
• Ensures high and even shrinkage
• Increases the depth of dyeing
• Ensures perfect penetration even with tightly woven fabrics
• Low foaming and simple handling

Properties :

Appearance	liquid
Chemical character	Aryl sulphonate
Ionic Nature	Anionic
Solubility	Readily soluble in water
pH (on 1% solution)	8 ± 1
Foaming character	Low foaming

Stability in :

Hard water	Good
Alkalies	Stable in 35°Be NaOH
Metal ions	Sequester iron and copper ions

Compatability with :

Non-ionic surfactant	Generally very good
Anionic surfactant	Selective, some reduce the efficacy of the enzyme
Solvent based surfactant	Selective, some reduce the efficacy of the enzyme
Organic sequestrants	Generally good

Application Method :

Americos Mercerol EXL is added to the mercerizing liquor and mixed well. The amount of Americos Mercer XL to be used :

• Cotton grey yarn
  Americos Mercer EXL : 4-5 gll
• Grey cotton woven fabric
  Americos Mercer EXL : 4-5 gll
• Scoured cotton fabric
  Americos Mercer EXL : 2-3 gll

Storage & handling precautions :

• Store in a cool/dry place
• Avoid storing in direct sunlight
• The shelf life of Americos Mercer EXL is one year
• The usual storage, handling, usage, and safety precautions should be observed