435503
Poly(propylene glycol)-block-poly(ethylene glycol)-block-poly(propylene glycol)
Synonym(s):
Nanopatterning, Pluronic® 31R1, block-copolymers, PPG-PEG-PPG
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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
form
viscous liquid
Quality Level
composition
PEG, 10 wt. %
refractive index
n20/D 1.454
surface tension
34 dyn/cm, 25 °C, 0.1 wt. % in H2O
viscosity
660 cP(25 °C, Brookfield)(lit.)
transition temp
softening point −25 °C, cloud point 25 °C (1 wt. % aqueous solution)
density
1.018 g/mL at 25 °C
HLB
2.0 - 7.0
Related Categories
General description
Surface activity of the polymer is dependent on the EO/PO ratio. PPG-PEG-PPG exhibits lower foaming, greater defoaming and reduced gelling tendencies relative to Pluronic® surfactants. Terminal secondary hydroxyl groups of PPG-PEG-PPG have lower reactivity and acidity than the primary hydroxyl groups in Pluronic 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.
PPG-PEG-PPG Pluronic® 31R1 can be used as surface cleaners (soft and hard), defoamers in coatings, in 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
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Wei Xu et al.
Drug delivery, 19(4), 208-219 (2012-05-31)
The aim of this study was to construct novel targeting polymeric micelles. Folate-Poly (ethylenimine)-Pluronic copolymers were synthesized. A paclitaxel (PTX)-loaded mixed micelles consisting of Folate-Poly (ethylenimine)-Pluronic and Pluronic L121 copolymers have been developed. The mixed micelles showed nano-sized spherical morphology.
Liyan Zhao et al.
Colloids and surfaces. B, Biointerfaces, 97, 101-108 (2012-05-23)
In this study, curcumin (Cur) loaded mixed micelles (Cur-PF), composed of Pluronic P123 (P123) and Pluronic F68 (F68), was prepared using the thin-film hydration method and evaluated in vitro. The preparation process was optimized with a central composite design (CCD).
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
Wanhua Feng et al.
Colloids and surfaces. B, Biointerfaces, 105, 43-50 (2013-01-29)
The interaction between bacteria and surfaces is central to many environmental, industrial and medical applications. Surfactants are commonly used in these applications and can potentially influence the bacterium/surface interaction. The effect of surfactants upon bacterial cell surface thermodynamic properties was
A N Sklifas et al.
Biofizika, 57(2), 317-324 (2012-05-19)
The adsorption abilities of the perfluorocarbon emulsion stabilized by Proxanol 268 were investigated in vitro and in vivo. In vitro, the saturation point for the blood plasma proteins was nearly reached after five minutes of incubation of the emulsion with
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