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435473 Sigma-Aldrich

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

average Mn ~2,000

Synonym: PPG-PEG-PPG, Pluronic® 10R5

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Properties

Related Categories Amphiphilic Block Copolymers, Biomaterials, Block Copolymers, Materials Science, Micro/NanoElectronics,
Quality Level   100
mol wt   average Mn ~2,000
composition   PEG, 50 wt. %
refractive index   n20/D 1.461
surface tension   51 dyn/cm, 25 °C, 0.1 wt. % in H2O
viscosity   480 cP(77 °C, Brookfield)(lit.)
transition temp   pour point 15 °C
  cloud point 69 °C (1 wt% aqueous solution, 1 wt. % aqueous solution)
density   1.058 g/mL at 25 °C
HLB   12.0 - 18.0

Description

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.

Packaging

1 L in poly bottle

250 mL in poly bottle

Features and Benefits

Surface activity is dependent on the EO/PO ratio. Lower foaming, greater defoaming and reduced gelling tendencies relative to Pluronic® surfactants. Terminal secondary hydroxyl groups have lower reactivity and acidity than the primary hydroxyl groups in Pluronic® surfactants.

Legal Information

Pluronic is a registered trademark of BASF

Safety & Documentation

Safety Information

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

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number

Certificate of Origin (COO)

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Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products.Once you log onto our website, you will find the price and availability displayed on the product detail page.You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 orview local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What isthestructure of Product 435473, Poly(propylene glycol)-block-poly(ethylene glycol)-block-poly(propylene glycol) average Mn ~2,000?
Product 435473,Poly(propylene glycol)-block-poly(ethylene glycol)-block-poly(propylene glycol) average Mn ~2,000 is a triblock copolymer as noted in in the structure image given in the product listing. The ratios are PO(8)-EO(22)-PO(8).
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Protocols & Articles

Articles

Polyethylene Glycol (PEG) Selection Guide

Poly(ethylene glycol) (PEG) is a synthetic, hydrophilic, biocompatible polymer with widespread use in biomedical and other applications. PEGs are synthesized using a ring-opening polymerization of et...
Keywords: Adhesion, Bacterial conjugations, Click chemistry, Molecular biology, PEGylations, Polymerization reactions, Ring-opening polymerization

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, Catalysis, Condensations, Diffusion, Sol-gel

Peer-Reviewed Papers
15

References

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