542342
Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)
average Mn ~14,600
Synonym(s):
Nanopatterning, Pluronic® F-108, block-copolymers, PEG-PPG-PEG
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About This Item
CAS Number:
UNSPSC Code:
12352112
PubChem Substance ID:
NACRES:
NA.23
MDL number:
SMILES string
O2C(C2)C.O1CC1
InChI
1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2
InChI key
RVGRUAULSDPKGF-UHFFFAOYSA-N
vapor density
>1 (vs air)
vapor pressure
<0.3 mmHg ( 20 °C)
mol wt
average Mn ~14,600
composition
PEG, 82.5 wt. %
pH
6.0-7.4 (2.5% in H2O)
surface tension
41 dyn/cm, 25 °C, 0.1 wt. % in H2O
viscosity
2,800 cP(77 °C, Brookfield)(lit.)
transition temp
cloud point >100 °C (1 wt. % aqueous solution), Tm (DSC) 60 °C (at peak)
HLB
>24.0
Quality Level
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General description
Pluronic® F108 is a tri block copolymer and a terminal primary dihydroxy-functional oligomer. It behaves as a nonionic surfactant. It is a surface active material whose properties are dependent on the hydrophilic (EO)/hydrophobic (PO) ratio. High EO content gives better o/w stabilizers.
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.
Pluronic® F108 was used as a surfactant in a medium to prevent the cells from sticking to the surface of a microfluidic device.{7}-{11}Pluronic may be potentially useful as a pathogen detector. It was used in the analysis of microbial community and genotyping single nucleotide polymorphisms (SNPs).{9} The triblock copolymer was used as a pore template for the fabrication of porous carbons and carbon/silica composite.{10}
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.
Physical form
Terminal primary dihydroxy-functional oligomer.
Legal Information
Pluronic is a registered trademark of BASF
Storage Class
11 - Combustible Solids
wgk
WGK 1
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