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Merck

915858

Sigma-Aldrich

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

average Mn ~5,800

Sinónimos:

PEG-PPG-PEG, Pluronic P-123 diacrylate, Pluronic diacrylate

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About This Item

Fórmula lineal:
C3H3O[C2H4O]x[C3H6O]y[C2H4O]zC3H3O2
UNSPSC Code:
51171641
NACRES:
NA.23

form

solid

Quality Level

mol wt

average Mn ~5,800

color

off-white to yellow

storage temp.

−20°C

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Application

Poloxamers are nonionic, triblock copolymers containg a central hydrophobic chain of poly(propylene glycol) (PPG) and two terminal hydrophilic chains of poly(ethylene glycol) (PEG). Due to their amphiphilic structure, poloxamer solutions feature temperature dependent self-assembling and thermo-gelling behavior. Concentrated aqueous solutions of poloxamers are liquid at low temperature and form a gel at higher temperature, in a reversible process. This characteristic has allowed for these materials to be used as drug carriers for most routes of administration including oral, topical, intranasal, ocular, and parenteral. Acrylate-modified derivatives are most commonly used as thermosensitive hydrogels for drug delivery and 3D bioprinting applications. After casting or printing, the material can be crosslinked to preserve the hydrogel structure.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Visite la Librería de documentos

Self-Assembly of Pluronic F127 Diacrylate in Ethylammonium Nitrate: Structure, Rheology, and Ionic Conductivity before and after Photo-Cross-Linking
Carlos R L, et al.
Macromolecules, 49(14), 5179-5189 (2016)
Smart hydrogels for 3D bioprinting
Shuai W, et al.
International Journal of Bioprinting, 1(1), 3-14 (2015)
Photopolymerization of Pluronic F127 diacrylate: a colloid-templated polymerization
Manuela D B, et al.
Soft Materials, 7, 4928-4937 (2011)
J J Escobar-Chávez et al.
Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques, 9(3), 339-358 (2007-01-09)
It is, sometimes, desirable to maintain a constant plasma drug concentration within the therapeutically effective concentration range. The use of high viscosity hydromiscible vehicles such as hydrophilic gels, is one of various approaches for controlled drug delivery, and represents an
Photopolymerization of Pluronic F127 diacrylate: a colloid-templated polymerization.
Manuela D B, et al.
Soft Materials, 7, 4928-4937 (2011)

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