Article

Journal of Inorganic and Organometallic Polymers and Materials

, Volume 20, Issue 3, pp 445-456

First online:

Precise Synthesis of Novel Ferrocene-Based Star-Branched Polymers by Using Specially Designed 1,1-Diphenylethylene Derivatives in Conjunction with Living Anionic Polymerization

  • Tomoyuki HiranoAffiliated withDivision of Soft Materials Chemistry, Polymeric and Organic Materials Department, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • , Hee-Soo YooAffiliated withDivision of Soft Materials Chemistry, Polymeric and Organic Materials Department, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • , Yohko OzamaAffiliated withDivision of Soft Materials Chemistry, Polymeric and Organic Materials Department, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • , Ahmed Abou El-MagdAffiliated withDivision of Soft Materials Chemistry, Polymeric and Organic Materials Department, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • , Kenji SugiyamaAffiliated withDivision of Soft Materials Chemistry, Polymeric and Organic Materials Department, Graduate School of Science and Engineering, Tokyo Institute of Technology
  • , Akira HiraoAffiliated withDivision of Soft Materials Chemistry, Polymeric and Organic Materials Department, Graduate School of Science and Engineering, Tokyo Institute of Technology Email author 

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Abstract

The precise synthesis of novel ferrocene-based regular and asymmetric star-branched polymers by a methodology using specially designed 1,1-diphenylethylene derivatives in conjunction with living anionic polymerization of ferrocenylmethyl methacrylate (FMMA) is described. The methodology involves three reaction steps, i.e., (1) introduction of 3-(tert-butyldimethylsilyloxymethyl)phenyl (SMOP) group(s) at the polymer chain end or in-chain, (2) conversion of the SMOP group(s) to α-phenyl acrylate function(s), and (3) a linking reaction of the α-phenyl acrylate function(s) with the living anionic polymer of FMMA or methyl methacrylate. By developing this methodology, a variety of 3-arm \( {\text{AA}^{\prime}_{2}} \), A2B, AB2, ABC and 4-arm A4, A3B, A2B2, A2BC, and ABC2 star-branched polymers with well-defined structures have been successfully synthesized. The A, B, and C segments are poly(FMMA), polystyrene, and poly(methyl methacrylate), respectively.

Keywords

Poly(ferrocenylmethyl methacrylate) Ferrocene-based star-branched polymer Miktoarm star-branched polymer Living anionic polymerization