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Merck

200565

Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene

mol wt 65-115 kDa by GPC, powder (Coarse)

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About This Item

Linear Formula:
[-CH2CH(C6H5)-]W(-CH2CH2-)x[-CH2CH(C2H5)-]y[-CH2CH(C6H5)-]Z
CAS Number:
66070-58-4
NACRES:
NA.23
PubChem Substance ID:
24851971
UNSPSC Code:
12162002
MDL number:
MFCD00134026

Key Documents

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Product Name

Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene, mol wt 65-115 kDa by GPC, powder (Coarse)

InChI

1S/C8H8.C4H6/c1-2-8-6-4-3-5-7-8;1-3-4-2/h2-7H,1H2;3-4H,1-2H2

SMILES string

C=C.C=CC=C.C=Cc1ccccc1

InChI key

MTAZNLWOLGHBHU-UHFFFAOYSA-N

form

powder (Coarse)

mol wt

65-115 kDa by GPC

contains

<1% antioxidant as inhibitor

viscosity

550 cP, 20 % in toluene, Brookfield(lit.)

density

0.91 g/mL at 25 °C (lit.)

Quality Level

100

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Application

SEBS can be used in the formation of an anion exchange membrane with an energy efficiency of ~ 86% for the fabrication of redox flow batteries. It can also be used to form sulfonated membranes with high water permeability and thermomechanical stability for HVAC applications. SEBS finds its usage as an ion exchange membrane with a capacity of ~1.91 mmol g-1 for fuel cells.

General description

Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene, also known as SEBS polymer, is used as a thermoplastic elastomer. It has good thermal and chemical stability with tunable mechanical properties.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ4089
MKCL6218
MKCJ9142
MKCH4235
MKCF3844

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Macromolecular Symposia, 245(1), 450-456 (2006)

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