Octyl Phenol 40 Ethoxylate = Disponil OP 4070
CAS Number: 9002-93-1
Octyl Phenol 40 Ethoxylate is an alkylaryl polyglykol ether.
Octyl Phenol 40 Ethoxylate is used as emulsifier for polymerization.
Octyl Phenol 40 Ethoxylate offers very good freeze/ thaw stability.
Description of Octyl Phenol 40 Ethoxylate:
Octyl Phenol 40 Ethoxylate is excellent oil / water soluble detergents, emulsifiers / co-emulsifiers, wetting / cleaning and dispersing agents and intermediates for sulphation.
Uses of Octyl Phenol 40 Ethoxylate:
Octyl Phenol 40 Ethoxylate is an emulsifier for the manufacture of polymer dispersions, predominantly of homopolymeric and copolymeric acrylates.
Applications of Octyl Phenol 40 Ethoxylate
:
Application Example:
The following formula and manufacturing method may be regarded as a typical example for the use of Octyl Phenol 40 Ethoxylate in the manufacture of a polymer dispersion based on butyl acrylate:
-475.0 p.b.w. water, desalinated
-474.0 p.b.w. n-butyl acrylate (e.g. BASF)
-9.6 p.b.w. methacrylic acid (e.g. Degussa)
-39.0 p.b.w. Disponil OP 4070
-1.2 p.b.w. ammonium peroxodisulfate
-1.2 p.b.w. sodium hydrogen sulfite
-1,000.0 p.b.w. polybutyl acrylate dispersion
Equipment:
Reaction vessel with two feeding devices (one of them with stirring mechanism), reflux cooler, mixing vessel.
Process of Octyl Phenol 40 Ethoxylate:
Dissolve the ammonium peroxodisulfate and Octyl Phenol 40 Ethoxylate in 425 p.b.w. of distilled water.
Fill 100 litres of this solution into the reaction vessel.
Disperse both the n-butyl acrylate and methacrylic acid into the remaining solution while stirring, and emulsify intensively for 15 minutes.
Fill 100 litres of this emulsion, too, into the reactor vessel, while the rest of the emulsion is filled into the feeding device with stirring mechanism, and stirred until the end of the feeding time.
Dissolve the sodium hydrogen sulfite in 50 p.b.w. of water and fill this solution in the second feeding device.
The monomer emulsion in the reaction vessel should now be rinsed with nitrogen for 30 minutes.
Then allow 15 litres of the sodium hydrogen sulfite solution to flow into the vessel, and start heating.
Polymerization will start at approximately 55 — 60 °C, noticeable by an increase of temperature.
The temperature will rise to approximately 75 — 80 °C, but should be quickly reduced to approximately 68 °C.
Start feeding both the monomer emulsion and sodium hydrogene sulfite solution into the reactor already while the temperature is rising.
The feeding time in both cases is about two hours.
During this whole period, the temperature must be kept between 67 and 69 °C.
Continue to stir for further 60 minutes at the same temperature, and afterwards allow the emulsion to cool down.
Adjust it to a pH-value of about 8, using a 25 ammonia solution.
Octyl Phenol 40 Ethoxylate is excellent oil, water soluble detergents, emulsifiers, co-emulsifiers, wetting, cleaning and dispersing agents and intermediates for sulphation.
KEYWORDS:
9002-93-1, Disponil OP 4070, Octylphenoxypoly(ethyleneoxy)ethanol, Ethoxylated octylphenol branched, 4-(1 1 3 3-Tetramethylbutyl)phenyl-polyethylene glycol, t-Octylphenoxypolyethoxyethanol, Polyethylene glycol tert-octylphenyl ether, (1 1 3 3-Tetramethylbutyl)phenyl-polyethylene glycol solution, (Octylphenoxy)polyethoxyethanol, Branched octylphenol ethoxylated
Technical details about Octyl Phenol 40 Ethoxylate:
Appearance at 25ºC: Waxy solid/flakes
Active content %: 99.5
Nature: Nonionic
Acid value mg KOH/gm max: 1
Color apha: 100
Hydroxyl value mg KOH/gm: 25-35
% Moisture content by KF: 0.5
pH: 6-8
Composition:
Alkylaryl polyglykol ether
Specification:
Water: 29.0 - 31.0 %
pH-value: 5.5 - 7.5
Q-P: 1274.0 - UNE 1262)
Additional data of Octyl Phenol 40 Ethoxylate:
Active substance: approx. 70 %
Ionic character: non-ionic
Setting point: approx. 5 °C
Density at 20 °C: approx. 1.1 g/cm³
CMC (g AS/l): approx. 1.2
Cloud temperature 73 - 78 °C
Appearance: colourless to clear slightly yellow liquid
Properties of Octyl Phenol 40 Ethoxylate:
Octyl Phenol 40 Ethoxylate is suitable for the manufacture of very finely dispersed polymer emulsions, which excel in their chemical stability (against NaCl, CaCl2, Al2 (SO4)3 and Pb(NO3)2) and also in their outstanding freeze/ thaw stability.
Octyl Phenol 40 Ethoxylate may be combined with commercially available anionic DISPONIL types of the ranges AES, FES, LDBS, SDS, SLS or SUS.
Remark:
Nitrogen must be added during the whole reaction time.
It is also very important not to stir too intensively at the beginning of the polymerization process, in order to avoid decomposition or coagulation.
Technical data of the polymer dispersion:
Appearance: white, thin liquid dispersion
Mechanical stability: 0.5 % coagulate
Freeze/thaw stability: very good
Chemical stability: stable against NaCl, CaCl2, Al2(SO4)3 and Pb(NO3)2
Solid content: approx. 50 %
Applications of Octyl Phenol 40 Ethoxylate:
e.g. raw material for adhesives, e.g. adhesive tape coatings.
Dosage of Octyl Phenol 40 Ethoxylate:
The quantity required depends on the type and quantity of monomers used, the polymerization process involved, as well as on the desired properties of the polymer dispersions.
Normally, 2 - 6% AS calculated on the monomer content are used.
Miscellaneous:
It is recommended to store Octyl Phenol 40 Ethoxylate at room temperature and to protect them against heat and frost.
Subject to storage in the original sealed containers, the products are durable for at least 24 months.
Lenghty storage of Octyl Phenol 40 Ethoxylate can sometimes lead to sedimentation.
This is a characteristic reaction of Octyl Phenol 40 Ethoxylate.
It is, therefore recommandable to process the whole content of the containers.
CAS RN:
9002-93-1
Alternative CAS:
RNs9036-19-5, 68987-90-6
MDL Number:
MFCD00128254
Storage Temperature:
+20°C
Shipping Temperature:
Ambient
Harmonised Tariff Code:
3402130090
Synonyms:
Octylphenoxypoly(ethyleneoxy)ethanol
Ethoxylated octylphenol, branched
4-(1,1,3,3-Tetramethylbutyl)phenyl-polyethylene glycol
t-Octylphenoxypolyethoxyethanol
Polyethylene glycol tert-octylphenyl ether
(1,1,3,3-Tetramethylbutyl)phenyl-polyethylene glycol solution
(Octylphenoxy)polyethoxyethanol
Branched octylphenol, ethoxylated
Alternative to Triton X-705 (Triton X705)