Poly(styrene)-block-poly(acrylic acid)

ALDRICH/747009 - PS:PAA 30,000:2,000, PDI ≤1.1

Synonym: PS-PAA; PS-PAA amphiphilic diblock copolymer

Linear Formula: C₄H₆N(C₈H₈)_x(C₃H₄O₂)_yH
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-747009-500MG	500 mg	$484.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

form	powder
mol wt	M_n 1,000-2,000 (poly(acrylic acid))
	M_n 27,000-31,000 (polystyrene)
	M_n 28,000-33,000 (total)
PDI	≤1.1

Application:	Polystyrene-block-polyacrylic acid is a diblock copolymer used for making polymeric micelles/ vesicles (polymersomes) and other encapsulation applications, . This PS-block-PAA copolymer is 10 wt. % PAA; and should form micelles in water in the 100~200 nm range. The polystyrene degree of polymerization (DP) is 275 and the polyacrylic acid DP is 30.
Legal Information:	Sold for research purposes only and subject to field restriction: see www.sigmaaldrich.com/raftlicense. Patents: 7,714,075; 7,250,479; 7,666,962; 6,642,318; 6,747,111; W2010/8356.
Packaging:	500 mg in glass insert

Symbol	GHS07
Signal word	Warning
Hazard statements	H315 - H319 - H335
Precautionary statements	P302 + P352 - P305 + P351 + P338
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

UNSPSC

12352100

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