## Abstract **Summary:** A pH‐sensitive block copolymer is synthesized by step polymerization and its pH‐sensitive micellization‐demicellization behavior is studied. This polymer has a hydrophilic MPEG (shell) and hydrophobic but pH‐sensitive poly(__β__‐amino ester) (core), which can form a self‐as
✦ LIBER ✦
pH-sensitivity control of PEG-poly(β-amino ester) block copolymer micelle
✍ Scribed by Su Jong Hwang; Min Sang Kim; Jong Kwon Han; Doo Sung Lee; Bong Sup Kim; Eun Kyung Choi; Heon Joo Park; Jin Seok Kim
- Publisher
- The Polymer Society of Korea
- Year
- 2007
- Tongue
- English
- Weight
- 832 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1598-5032
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## Abstract pH‐sensitive micelles formed by interchain hydrogen bonding of poly(methacrylic acid)‐__block__‐poly(ethylene oxide) copolymers were prepared and investigated at pH < 5. Both $\overline M \_{\rm w}$ and __R__~h~ of the micelles increase with decreasing pH of the solution, displaying an