EMULPHOR OPS 25

Emulphor OPS 25 = Disponil 25 S = Disponil OPS 25 

Emulphor OPS 25 is special emulsifier for the manufacture of emulsion polymers, especially for vinylacetate or acrylic homopolymers and copolymers.

On account of its chemical composition, Emulphor OPS 25 combines the advantages of non-ionic and anionic emulsifiers, and can therefore be used as the sole emulsifier for emulsion polymerization.

Composition of Emulphor OPS 25:  Alkyl aryl polyglycol ether sulphate, sodium salt

Specification 
Anionic surfactant: 28 - 31 % (Q-C 3062.0)
Sodium chloride < 0.5 % (DGF H-III 9)
Sodium sulphate < 1.0 % (DGF H-III 8a)
pH-value (5 %) 7.0 - 8.0 (Q-P 1042.1)
Solid content: Min 25% (DIN 53189)

Additional data

Appearance:colourless to yellow, clear liquid

Ionic character: Anionic 


Dosage of Emulphor OPS 25
The amount of Emulphor OPS 25 required depends upon the type and quantity of the monomers used as well as on the polymerization process and the desired properties of the polymer dispersion.

In general 1 - 5 % as emulsifier calculated on the monomer content is used.

Miscellaneous Storage
It is recommended to store Emulphor OPS 25at room temperature and to protect it from heat and frost. 
Subject to storage in the original sealed containers Emulphor OPS 25 is durable for at least 12 months.
Subject to appropriate storage under the usual storage and temperature conditions, our products are durable for at least 1 year.

Emulphor OPS 25 is a high-molecular weight ether sulphate. 
Emulphor OPS 25 acts as an ionic emulsifier. 
Emulphor OPS 25 can be combined with nonionic Emulan grades in order to achieve the desired properties such as particle size or emulsion stability. 
Emulphor OPS 25 is used in the emulsion polymerization of acrylate and methacrylate esters, styrene and vinyl esters. 
Emulphor OPS 25 is suitable for homopolymerization as well as in copolymerization of these monomers.

Product Type    
Dispersing Agents > Surfactants-like

Emulsifiers
Chemical Composition: Octylphenol polyglycol ether sulphate sodium salt

MSDS
SECTION 3 from msds of Emulphor OPS 25 / Disponil OPS 25
Composition/Information on Ingredients

3.1. Substances
Not applicable

3.2. Mixtures
Chemical nature
Aqueous solution based on: Polyethylene glycol octylphenyl ether sulfate ester sodium salt

This product contains (a) substance(s) included on the candidate list according to article 59 (1,10) of regulation EC No. 1907/2006 ('REACH') in a concentration equal or above 0.1% w/w: Poly(oxy-1,2- ethanediyl), .alpha.-[4-(1,1,3,3- tetramethylbutyl)phenyl]-.omega.-hydroxyHazardous ingredients (GHS) according to Regulation (EC) No. 1272/2008
4-(1,1,3,3-tetramethylbutyl)phenol, ethoxylated

Content (W/W): >= 0.1 % - <= 2.5 %
CAS Number: 9002-93-1
Aquatic Chronic 3
H412


Polyethylene glycol octylphenyl ether sulfate ester sodium salt

Product: Emulphor OPS 25
Content (W/W): >= 25 % - <= 50 %
CAS Number: 55348-40-8
Eye Dam./Irrit. 1
Aquatic Chro

ANIONIC EMULSIFER FOR EMULSION POLYMERIZATION
Emulphor OPS 25 is used as anionic emulsifier for the emulsion polymerization of monomers like pure acrylic, styrene-acrylic acid esters and vinyl acetate.


Benefits
The use of Emulphor OPS 25 offers the following advantages:

Product properties:

low VOC
easy to handle

Performance in emulsion polymerization:

Emulphor OPS 25 improves stability of the monomer emulsion
Emulphor OPS 25 enables low coagulum formation during polymerization
Emulphor OPS 25 controls particle size of the polymer dispersion
Emulphor OPS 25 improves viscosity of the polymer dispersions

Emulphor OPS 25 Performance in paint binders: increases the tinting strength of tinted emulsion paint


Emulphor OPS 25 is anionic emulsifier, wetting and dispersing agent


Profile
Use
Emulphor OPS 25 is an anionic surfactant for industrial applications like the following:
Emulsion Polymerization
Emulphor OPS 25 is used as an emulsifier for emulsion polymerization of monomers like styrene, acrylic acid esters, methacrylic acid esters and vinyl acetate. 

The use of Emulphor OPS 25 offers the following advantages:
— production of polymer dispersions with controlled particle size
— very low grit levels at high solid contents.

Usage levels: 0,5 – 5,0 % based on monomers.
Pigment Preparations
Emulphor OPS 25 is used as a wetting agent for inorganic and organic pigments in preparations
— at high pigment loads
— at low viscosity
— high temperature stability and shelf life.

Usage levels: 15 – 80 % based on the pigments.

Emulsions of solvents, oils and waxes in water
Emulphor OPS 25 produces stable, low foaming emulsions of organic solvents, hydrocarbons, oils and waxes in water.
Usage levels: 1 – 20 g/l Emulphor OPS 25 in the emulsion.

Storage and Shelf Life
Please keep the product in a dry and clean place. When the product has cooled down to less than 5°C, please heat it up to 25°C – 30°C, after stirring it is ready to use again. 
The shelf life is at least two years when stored in tightly closed containers at 20-25°C in a clean and aerated place. 
After this period the product should be analyzed for extension of the shelf life.

Safety
Please see Material Safety Data Sheet before handling the material


ATAMAN Kimya A.S.
www.atamankimya.com
Tel: 0090 216 577 10 10
Istanbul - Turkey


 

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