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苯乙烯一异戊二烯一苯乙烯嵌段共聚物
oil styrene-isoprene-styrene block copolymer
polym. poly (styrene-b-isoprene-b-styrene)
苯乙烯一异戊二烯一苯乙烯嵌段共聚物: 2 phrases in 1 subject
Polymers2