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Effect of microblock number on the properties of piperylene-styrene copolymers

✍ Scribed by M.M. Mogilevich; Yu.Ye. Shapiro; S.D. Popova; T.A. Yermilova; N.A. Budanov

Book ID
116048708
Publisher
Elsevier Science
Year
1988
Weight
433 KB
Volume
30
Category
Article
ISSN
0032-3950

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## Abstract A star‐shape styrene–butadiene–styrene triblock copolymer SBS (802) was synthesized and fractionated into four fractions coded as 802‐F1 (four arms), 802‐F2 (two arms), 802‐F3 (one arm), and 802‐F4 by repeating fractional precipitation. Their weight‐average molecular weight (__M__~w~) w