New cationic linear copolymers and hydrogels of N -vinyl caprolactam and N -acryloyl- N′ -ethyl piperazine : synthesis, reactivity, influence of external stimuli on the LCST and swelling properties
New cationic linear copolymers of N-vinyl caprolactam (VCL) and N-acryloyl-N′-ethyl piperazine (AcrNEP) were synthesized by thermal free-radical solution polymerization in dioxane at 75 °C. The chemical composition of the copolymers was determined by 1H NMR spectroscopy. The copolymers were water-so...
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| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2013
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/100995 http://hdl.handle.net/10220/16757 |
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| Institution: | Nanyang Technological University |
| Language: | English |