Synthesis and Structural Ordering of Gra
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Satoshi Uchida; Hisashi Takeda; Koji Ishizu
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Article
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1999
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Elsevier Science
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English
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Gradient-modulus star copolymers were synthesized by crosslinking of polystyrene/isoprene tapered anions with divinylbenzene in benzene. The styrene content in the tapered arm was determined by 1 H-nuclear magnetic resonance as a parameter of conversion. The composition of the arm showed the gradien