Thermoresponsive amphiphilic poly(hydroxyl propyl methacrylate)-b-poly(oligo ethylene glycol methacrylate) block copolymers are synthesized by RAFT polymerization, with different compositions and molecular weights
2018
Poly(hydroxyl propyl methacrylate)-b -Poly(oligo ethylene glycol methacrylate) Thermoresponsive Block Copolymers by RAFT Polymerization
Key concepts
Scholarcy highlights
- Thermoresponsive amphiphilic poly(hydroxyl propyl methacrylate)-b-poly(oligo ethylene glycol methacrylate) block copolymers are synthesized by RAFT polymerization, with different compositions and molecular weights
- The copolymers are molecularly characterized by size-exclusion chromophotography, and 1H NMR spectroscopy
- Aggregate structural characteristics depend on copolymer composition, molecular weight, and ionic strength of the solution
- Fluorescence spectroscopy experiments confirm the presence of less hydrophilic domains within the aggregates at higher temperatures
- The thermoresponsive behavior of the PHPMA-b-POEGMA block copolymers is attributed to the particular solubility characteristics of the hydrophilic, water insoluble PHPMA block that are modulated by the presence of the water soluble POEGMA block
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