915386
Poly(ethylene oxide)-block-poly(butylene oxide)
PEG average Mn 2,000, average Mn 5,000 (PBO)
Synonym(s):
PBO-PEO, PEG-PBO, PEO-PBO
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About This Item
Linear Formula:
CH3O(C2H4O)m(C4H8O)nH
UNSPSC Code:
12352119
NACRES:
NA.23
Recommended Products
form
solid
Quality Level
mol wt
PEG average Mn 2,000 (by NMR)
PEG average Mn 2,000
average Mn 5,000 (PBO(by NMR))
average Mn 5,000 (PBO)
color
white to off-white
PDI
≤1.3 (by GPC)
storage temp.
2-8°C
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Application
Poly(ethylene oxide)-block-poly(butylene oxide) is an amphiphilic block copolymer that shows good biocompatibility. This type of polymers can self-assemble into micelles of various shapes at low concentration. It has been used as nanocarriers to solubilize and delivery hydrophobic drugs.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Mahmoud Elsabahy et al.
Biomacromolecules, 8(7), 2250-2257 (2007-06-21)
Poly(ethylene oxide)-block-poly(styrene oxide) (PEO-b-PSO) and PEO-b-poly(butylene oxide) (PEO-b-PBO) of different chain lengths were synthesized and characterized for their self-assembling properties in water by dynamic/static light scattering, spectrofluorimetry, and transmission electron microscopy. The resulting polymeric micelles were evaluated for their ability
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