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Polystyrene-
block
-poly(ethylene-
ran
-butylene)-
block
-polystyrene
Linear Formula:
[-CH
2
CH(C
6
H
5
)-]
W
(-CH
2
CH
2
-)
x
[-CH
2
CH(C
2
H
5
)-]
y
[-CH
2
CH(C
6
H
5
)-]
Z
CAS Number:
66070-58-4
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Sigma-Aldrich (2)
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Product Number
Description
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200557
Polystyrene-
block
-poly(ethylene-
ran
-butylene)-
block
-polystyrene,
powder, average M
w
~118,000 by GPC, contains >0.03% antioxidant as inhibitor
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200565
Polystyrene-
block
-poly(ethylene-
ran
-butylene)-
block
-polystyrene,
mol wt 65-115 kDa by GPC, powder (Coarse)
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