Design and precise synthesis of thermoresponsive polyacrylamides / Keita Fuchise.

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Design and precise synthesis of thermoresponsive polyacrylamides / Keita Fuchise.

9784431550464 (electronic book)
4431550461 (electronic book)
9784431550457
4431550453

Tokyo : Springer, 2014.

English

1 online resource.

10.1007/978-4-431-55046-4 doi

TP1180.P54

668.4/235

In this thesis, the author describes versatile and easy-to-use methods to control the properties of thermoresponsive polyacrylamides by developing novel synthetic methods for end-functionalized poly(N-isopropylacrylamide) (PNIPAM) and block copolymers of poly(N, N-diethylacrylamide) (PDEAA). The synthesis of various urea end-functionalized PNIPAMs was achieved by the atom transfer radical polymerization (ATRP) and the click reaction. The phase transition temperature of PNIPAM in water was controlled depending on the strength of the hydrogen bonding of the urea groups introduced at the chain end of the polymer. Novel living polymerization methods for N, N-dimethylacrylamide and N, N-diethylacrylamide were developed by group transfer polymerization (GTP) using a strong Brnsted acid as a precatalyst and an amino silyl enolate as an initiator. This process enabled the precise synthesis of PDEAA and its block copolymersnamely, thermoresponsive amphiphilic block copolymers and double-hydrophilic block copolymers.

"Doctoral thesis accepted by Hokkaido University, Sapporo, Japan."

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