Textile Effects

Technical Data Sheet

UNIVADINE® TOP leveling agent

DYEING AUXILIARIES

USES

Dyeing polyester fibers and polyester/cellulose blends at all stages of processing in HT processes
on jets and circulating liquor machines.
Dyeing of yarn and pieces for automotive textiles, together with UV-FAST APS or UV-FAST HLF as
light fastness improver.
Dyeing polyester/cellulose blends in one-bath-two-steps method.
Dyeing of polyester in HT rapid dyeing methods.
Dyeing polyester fibers at all stages of processing with high density.

Characteristics Benefits

• Unequaled spectrum of effects like • Easy application to secure highest reproducibility

disper-sing, leveling and migration. in various dyeing methods.

• Excellent dispersing properties. • Improves dispersion stability of the dyes in the

bath and prevents agglomerations. Prevents
filtration on packages with high density. No extra
dispersants required.

• Outstanding leveling properties. • Permits level dyeing under critical dyeing

conditions, e.g. in polyester HT rapid dyeing.
Improves in-out levelness in dyeing on circulating
liquor machine. Suitable for leveling faulty
dyeing.

• Good migration properties. • Hence both fiber and surface levelness, ensures
uniform shade build-up.
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Technical Data Sheet UNIVADINE TOP leveling agent

Characteristics Benefits

• Increased dye yield. • Rapid and safe achievement of the final shade,
also in rapid dyeing processes. Reduced
amounts of dyes in the effluent.

• Unimpaired light fastness. • Especially suitable for automotive textiles.

• Stable to electrolytes and water • Particularly suitable for dyeing of

hardness. polyester/cellulosic blends in one-bath-two-steps
methods with combinations of disperse/reactive
or disperse/direct dyes. Promotes brilliance and
good rubbing fastness, even in deep shades.

• Improves the reservation of the • Obviates the need of a separate after-clear in

non-polyester component of blends many cases. Promotes the brightness of shades
by disperse dyes. and provides better fastness to crocking.

• Stable to alkali. • Suitable for oligomer free dyeing under alkaline

conditions. Keeps solubilized oligomers in
solution.

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Technical Data Sheet UNIVADINE TOP leveling agent

PROPERTIES

Chemical constitution Complex phosphate ester and polyalkylenpolyol.

Ionic character Anionic

Physical form Colorless, clear liquid of low viscosity

pH of 5% solution 3.5–5.5

Density About 1

General stability Stable in hard water, to acids and alkalis and to electrolytes
in the usual amounts.

Storage stability Stable for 1 year in closed containers at 20°C, not affected
by heat or cold.

Compatibility Can safely be used together with anionic and nonionic

substances.

Ecology/toxicology The usual hygiene and safety rules for handling chemicals
should be observed in storage, handling and use. The
product must not be swallowed.

For further information on ecology/toxicology, see the

existing Safety Data Sheet.

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Technical Data Sheet UNIVADINE TOP leveling agent

APPLICATIONS

Dissolving/diluting

UNIVADINE TOP leveling agent is readily diluted with cold or warm water and forms colorless clear
solutions.

Required amount
The required amount will differ according to application routine and textile but will lie within the
bandwidth given below. Preliminary trials should be carried out.
®
0.5–2.0 g/l UNIVADINE TOP

NOTES

For dyeing polyester at high temperatures, 0.5–1.0 g/l UNIVADINE TOP leveling agent is usually
enough.
An excellent fiber and surface levelness improver, UNIVADINE TOP leveling agent is suitable for all
polyester HT dyeing methods, and overcomes the problems associated with high wind density
packages, tightly woven piece-goods or hard-t o-level dyes.
With extremely rapid rates of heating, very short liquor ratios and deep shades, a diffusion
accelerant such as UNIVADINE DIF should also be present in the bath. A combination of
®
1–2 g/l UNIVADINE TOP
®
0.5–1 g/l UNIVADINE DIF
markedly promotes penetration and diffusion. Treatment with higher amounts of these two products
is an excellent way to correct unlevel dyeing.
If polyester/cellulosic and polyester/wool blends are dyed in presence of UNIVADINE TOP leveling
agent, the non-polyester component is largely protected against staining by the disperse dyes.

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Technical Data Sheet UNIVADINE TOP leveling agent

Region Europe
Huntsman Textile Effects (Germany) GmbH
Rehlinger Str. 1
86462 Langweid a. Lech, Germany
infotexeurope@huntsman.com
Tel: +49 8230 41-0
Fax: +49 8230 41-370

Region Americas
Huntsman International LLC
Textile Effects
4050 Premier Drive
USA-High Point, North Carolina 27265
infotexamericas@huntsman.com
Tel: +1 800 822 1736
Fax: +1 336 801 2808

Region Asia
Huntsman (Guangdong) Ltd.
Textile Effects
Flying Geese Mountain Industrial Park
Shilou Town, Panyu District, Guangzhou
511447, PR China
infotexasia@huntsman.com
Tel: +86 20 8484 5100
Fax: +86 20 8484 5222

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3200243e—May-07, Printed in Switzerland.

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