Surface Coating / Alfa Chemistry

Poly(propylene glycol)-block-poly(ethylene glycol)-block-poly(propylene glycol), average Mn ~2700

Cat.No ACM9003116-17

Basic Information Description Application Features And Benefits
CAS 9003-11-6
Catalog Number ACM9003116-17
Synonyms PPG-PEG-PPG
Molecular Weight average Mn ~2,700
InChI 1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2
Density 1.048 g/mL at 25 °C
Composition PEG, 40 wt. %
MDL Number MFCD00082049
Packaging 250 mL in poly bottle
PubChem ID 24867238
Quality Level 200
Refractive Index n20/D 1.459
Storage Temperature 2-8°C
Description The surface activity of the polymer depends on the EO/PO ratio. PPG-PEG-PPG exhibited lower foam, greater defoaming and lower tendency to gel. The terminal secondary hydroxyl groups of PPG-PEG-PPG are less reactive and acidic than the primary hydroxyl groups in other surfactants.
Application Hard and soft surface cleaners, defoamers in coatings and water treatment. Lubricant in metal working, anti-foaming aid and extender for linear and cross-linked polyesters and polyurethanes.
Features And Benefits Surface active material whose properties are dependent on the hydrophilic (EO)/hydrophobic (PO) ratio. High EO content gives better o/w stabilizers.

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