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435406 Aldrich

Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)

average Mn ~1,100

Synonym: PEG-PPG-PEG, Pluronic® L-31

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Properties

Related Categories Amphiphilic Block Copolymers, Biomaterials, Block Copolymers, Materials Science, Micro/NanoElectronics,
vapor density   >1 (vs air)
vapor pressure   <0.3 mmHg ( 20 °C)
mol wt   average Mn ~1,100
composition   PEG, 10 wt. %
refractive index   n20/D 1.453
surface tension   47 dyn/cm, 25 °C, 0.1 wt. % in H2O
viscosity   175 cP(25 °C, Brookfield)(lit.)
transition temp   softening point −32 °C
  cloud point 37 °C (1 wt. % aqueous solution)
density   1.018 g/mL at 25 °C
HLB   1.0 - 7.0

Description

Packaging

250 mL in poly bottle

Physical form

Terminal primary dihydroxy-functional oligomer.

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.

Legal Information

Pluronic is a registered trademark of BASF

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
MD0911050
Protocols & Articles

Articles

Synthesis of Mesoporous Materials

Mespoporous materials, also known as mesoporous molecular sieves, are a class of 3D-nanostructures with well-defined mesoscale (2–50 nm diameter) pores and surface areas up to 1000 m2/g.1 In terms of...
Material Matters 2008, 3.1, 17.
Keywords: Absorption, Applications, Catalog, Catalysis, Condensations, Diffusion, Material Matters, Methods, Sol-gel

Peer-Reviewed Papers
15

References

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