Citation: YIN Jian, GUO Shaohua, HU Xiaowei, ZHU Linfang. CONTROLLED ANIONIC SYNTHESIS OF FUNCTIONALIZED AND STAR-BRANCHED POLYMERS[J]. Chinese Journal of Polymer Science, ;1990, 8(2): 97-107. shu

CONTROLLED ANIONIC SYNTHESIS OF FUNCTIONALIZED AND STAR-BRANCHED POLYMERS

Received Date: 5 July 1989

The use of living, alkyllithium-initiated anionic polymerization to prepare chain-end functionalized polymers and heteroarm, star-branched polymers is discussed. The scope and limitations of specific termination reactions with a variety of electrophilic species are illustrated for carbonation, hydroxyethylation, amination, and sulfonation. The methodology of using substituted 1,1-diphenylethylenes to provide a general, quantitative functionalization procedure is outlined and illustrated with examples of amine and phenol end-functionalization.A methodology is described for the synthesis of functionalized,star-branched copolymers with compositionally heterogeneous arms of controlled weight and narrow molecular weight distribution using 1,3-bis(1-phenylethenyl)benzene.
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