686476
Poly(styrene)-block-poly(ethylene glycol)
Synonym(s):
Polystyrene-polyethylene glycol
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About This Item
Linear Formula:
Br[(C6H5)CHCH2]x C(CH3)2C(O)O[CH2CH2O]y CH3
NACRES:
NA.23
UNSPSC Code:
12162002
mol wt
Mn 21,000-30,000 (polystyrene), Mn 21,000-31,000, Mn 700-1,100 (PEG)
Mw/Mn
1.1‑1.3
General description
Made by Atom Transfer Radical Polymerization (ATRP) which introduces methoxy and bromide end groups.
Application
Block copolymer used for making polymeric vesicles (polymersomes) and other encapsulation applications.
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Dennis E Discher et al.
Science (New York, N.Y.), 297(5583), 967-973 (2002-08-10)
Vesicles are microscopic sacs that enclose a volume with a molecularly thin membrane. The membranes are generally self-directed assemblies of amphiphilic molecules with a dual hydrophilic-hydrophobic character. Biological amphiphiles form vesicles central to cell function and are principally lipids of
Kaoutar Moumile et al.
Journal of clinical microbiology, 42(2), 923-924 (2004-02-10)
We describe a case of primary purulent culture-negative pericarditis caused by Neisseria meningitidis serogroup C occurring in an 8-month-old previously healthy boy, which was detected in pericardial fluid by broad-spectrum PCR amplification.
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