Stimuli‐Responsive A‐ b ‐(B‐ co ‐C) Diblock Terpolymers Bearing Polyampholyte Sequences | Zendy

Gotzamanis George | Zendy; Tsitsilianis Constantinos | Zendy

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Stimuli‐Responsive A‐ b ‐(B‐ co ‐C) Diblock Terpolymers Bearing Polyampholyte Sequences

Author(s) -

Gotzamanis George,

Tsitsilianis Constantinos

Publication year - 2006

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.200600469

Subject(s) - copolymer , micelle , methacrylate , methacrylic acid , polymer chemistry , amphiphile , ethylene glycol , materials science , methyl methacrylate , polymerization , poly(methacrylic acid) , ionic strength , aqueous solution , chemistry , polymer , organic chemistry , composite material

Summary: Diblock terpolymers that consist of homopolymer and statistical copolymer (polyampholyte) building blocks are synthesized by group transfer polymerization. Two types of block tepolymers are explored in aqueous media: the amphiphilic poly{[(diethylamino)ethyl methacrylate]‐ co ‐(methacrylic acid)}‐ block ‐poly(methyl methacrylate) and the double hydrophilic poly[oligo(ethylene glycol) methacrylate]‐ block ‐poly{[(diethylamino)ethyl methacrylate]‐ co ‐(methacrylic acid)}. The first terpolymer self‐assembles in aqueous media to form responsive micelles that change their corona charge sign upon switching pH. The second terpolymer exhibits a multi‐responsive behavior. It forms neutral, positive, or negative micelles depending on a combination of different environmental conditions such as temperature, pH, and ionic strength.P(DEAEMA‐ co ‐MAA)‐ b ‐PMMA pH‐sensitive micelles.

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