Synthesis of dual pH/temperature-responsive polymers with amino groups by living cationic polymerization

Yukari Oda, Shokyoku Kanaoka, Sadahito Aoshima

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

For the precision synthesis of primary amino functional polymers, cationic polymerization of a phthalimidecontaining vinyl ether monomer precursor, 2-vinyloxyethyl phthalimide (PIVE), was examined using a base-assisting initiating system. Living polymerization of PIVE In CH2Cl2 In the presence of 1,4-dioxane as an added base yielded nearly monodispersed polymers (MW/Mn < 1.1) and higher molecular weight polymers, which have never been obtained using other initiating systems. Furthermore, block copolymers with hydrophobic or hydrophllic groups could be prepared. The deprotec-tion of the pendant phthalimide groups gave well-defined pHresponsive polymers with pendant primary amino groups. Dual-stimuli-responsive block copolymers having a pH-responsive polyamine segment and a thermosensitive segment selfassembled in water in response to both pH and temperature.

Original languageEnglish
Pages (from-to)1207-1213
Number of pages7
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume48
Issue number5
DOIs
Publication statusPublished - Mar 1 2010
Externally publishedYes

Fingerprint

Cationic polymerization
Living polymerization
Polymers
Block copolymers
Functional polymers
Polyamines
Temperature
Ethers
Monomers
Molecular weight
Water
phthalimide

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

Synthesis of dual pH/temperature-responsive polymers with amino groups by living cationic polymerization. / Oda, Yukari; Kanaoka, Shokyoku; Aoshima, Sadahito.

In: Journal of Polymer Science, Part A: Polymer Chemistry, Vol. 48, No. 5, 01.03.2010, p. 1207-1213.

Research output: Contribution to journalArticle

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