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435473

Sigma-Aldrich

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

average Mn ~2,000

Synonym(s):

Pluronic® 10R5, PPG-PEG-PPG

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About This Item

CAS Number:
9003-11-6
MDL number:
MFCD00082049
UNSPSC Code:
12352112
PubChem Substance ID:
24867237
NACRES:
NA.23

form

liquid

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

InChI

1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

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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 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

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Céline Durand-Gasselin et al.
Langmuir : the ACS journal of surfaces and colloids, 27(20), 12329-12335 (2011-09-29)
Aggregation of thermosensitive polymer-coated gold nanoparticles was performed in aqueous solution in the presence of a triblock copolymer poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) (Pluronic P123, PEO(20)-PPO(68)-PEO(20)). The gold nanoparticles, AuNPs, which are covered by thermosensitive statistical copolymers poly(EO(x)-st-PO(y)), aggregate when the
Jianan Shen et al.
Biomaterials, 34(5), 1581-1590 (2012-11-14)
The metastasis of breast cancer is the leading cause of cancer death in women, and the lung is a common location of a secondary tumor that has metastasized from the primary source tumor. In this work, an attempt to simultaneously
Irshad A Wani et al.
Colloids and surfaces. B, Biointerfaces, 101, 243-250 (2012-09-27)
Silver nanoparticles have been synthesized in the inverse microemulsions formed using three different surfactants viz., cetyl-trimethyl ammonium bromide (CTAB), Tergitol and Triton X-100. We have done a systematic study of the effect of the surfactants on the particle size and
Laurien Buitinga et al.
Clinical and experimental rheumatology, 29(5), 783-789 (2011-10-04)
The Time Trade-Off (TTO) is an instrument used for valuing health-related quality of life. This study evaluated the test-retest reliability of a computer TTO in rheumatoid arthritis (RA), and compared the computer with the interview TTO regarding feasibility and agreement.
Houjian Gong et al.
Langmuir : the ACS journal of surfaces and colloids, 28(38), 13590-13600 (2012-09-08)
The block polyethers PEO-PPO-ph-PPO-PEO (BPE) and PPO-PEO-ph-PEO-PPO (BEP) are synthesized by anionic polymerization using bisphenol A as initiator. Compared with Pluronic P123, the aggregation behaviors of BPE and BEP at an air/water interface are investigated by the surface tension and
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