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776432

Sigma-Aldrich

Polystyrene-block-poly(tert-butyl acrylate), DDMAT terminated, acid terminated

average Mn 12,000, block ratio 50:50, PDI ≤1.2

Synonym(s):

PS(50)-b-PtBA(50), RAFT poly(styrene-block-tbutyl acrylate) carboxylic acid

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About This Item

UNSPSC Code:
12352100
NACRES:
NA.23

mol wt

average Mn 12,000

transition temp

Tm 245 °C

PDI

≤1.2

Application

This is a well-defined diblock copolymer containing a polystyrene block which is hydrophobic; and a poly(tert-butyl acrylate) which is hydrophobic. This polystyrene-block-poly(t-Butylacrylate) polymer is used in many applications; primarily in which the tert-butyl group is substituted with a desired functionality. The hydrophilicity of this t-butyl acrylate block can be tuned by varying the extent of hydrolysis of the t-butyl groups. The end group functionality contains a carboxylic acid (COOH) as well as the Dodecyltrithiocarbonate RAFT agent moiety. This RAFT CTA will allow for additional polymerization to generate a diblock copolymer and is especially suited for the polymerization of styrene; acrylate and acrylamide monomers. It could also be hydrolyzed to form a different funcitonality.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKBN9111

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