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Properties of low molecular weight block copolymers. 4. Differential scanning calorimetry and refractive index-temperature measurement on styrene-butadiene diblock copolymers and styrene-butadiene-styrene triblock copolymers

✍ Scribed by Krause, Sonja; Lu, Zhonghe; Iskandar, Magdy

Book ID
120014066
Publisher
American Chemical Society
Year
1982
Tongue
English
Weight
888 KB
Volume
15
Category
Article
ISSN
0024-9297

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✍ Xiaopeng Xiong; Lina Zhang; Zhaocheng Ma; Yang Li 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 244 KB 👁 2 views

## 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