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686476

Sigma-Aldrich

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
UNSPSC Code:
12162002
NACRES:
NA.23

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.[1][2]

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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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.
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

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