Abstract
Poly(N-fluoroalkyl benzamide) (4) with a controlled molecular weight (MW) and a polydispersity index (PDI) was prepared by chain-growth polycondensation of 4-(N-1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluorooctylamino) benzoylbenzoxazolin-2-thione (3) initiated with p-nitrobenzoyl chloride using EtMgBr as an activator. The MW of 4 was tailored up to 25,000 by changing the feed ratio of the monomer and the initiator, while the PDI was maintained below 1.2. A 10% weight loss and a glass transition temperature of 4 were 380 °C and 92 °C in nitrogen, respectively. A contact angle of the polymer film against a water droplet was 105.0, which was higher than 91.0 for poly(N-octyl benzamide), indicating monomer 3 could be applicable to prepare a novel amphiphilic block copolymer.
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Ohshimizu, K., Shibasaki, Y. & Ueda, M. Synthesis of Poly(N-fluoroalkyl benzamide) with Controlled Molecular Weight and Polydispersity Index. Polym J 39, 777–782 (2007). https://doi.org/10.1295/polymj.PJ2006243
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DOI: https://doi.org/10.1295/polymj.PJ2006243