Abstract
Multi-responsive (diethylene glycol) methyl ether methacrylate-methacrylic acid (DEGMA-MAA) copolymers were synthesised for the first time via RAFT polymerisation, and the structure-activity interplay of statistical and block copolymers in solution was compared. In addition to MAA, DEGMA was also copolymerised with 2-(dimethylamino)ethyl methacrylate (DMAEMA) to generate two sets of well-defined weakly acidic or weakly basic copolymers, respectively. The temperature, pH and salt-responsive properties of all polymers was determined via UV-visible spectroscopy and dynamic light scattering, and their solution structures as a function of temperature were visualised via electron microscopy. Results from this study indicate that the DEGMA-MAA statistical and block copolymers display similar stimuli-responsive property trends to the well-characterised DEGMA-DMAEMA copolymers, and show similar lower critical solution temperature (LCST) modulations and aggregate structures in water.
| Original language | English |
|---|---|
| Pages (from-to) | 90923-90933 |
| Number of pages | 11 |
| Journal | RSC Advances |
| Volume | 6 |
| Issue number | 93 |
| DOIs | |
| Publication status | Published - 2016 |
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