Preparation of poly(N-vinyl caprolactam) with various end groups using chain transfer agents and evaluation of their effects on kinetic hydrate inhibition
| Autor: | Jaeyeong Choi, Hiroya Furumai, Fukushima Masayuki, Hiroharu Ajiro, Malcolm A. Kelland, Nakai Yukako, Yumi Miyaji |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
chemistry.chemical_classification
Polymers and Plastics Radical polymerization Caprolactam Chain transfer 02 engineering and technology General Chemistry Polymer 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics Kinetic energy 01 natural sciences 0104 chemical sciences chemistry.chemical_compound chemistry Polymer chemistry Materials Chemistry Proton NMR 0210 nano-technology Hydrate |
| Zdroj: | Polymer Bulletin. 79:3513-3522 |
| ISSN: | 1436-2449 0170-0839 |
| Popis: | Poly(N-vinylamide) derivatives were synthesized to improve the performance of kinetic hydrate inhibitors (KHIs). In this work, we synthesized poly(N-vinylformamide) (PNVF) and poly(N-vinylcaprolactam) (PVCap) by free radical polymerization with several commercial chain transfer agents (CTAs), which afforded a few thousand Mn. The structures of synthesized PNVF and PVCap were then investigated by 1H NMR and MALDI-TOF/MS spectrograms. KHI properties of the synthesized PNVF and PVCap polymers were also evaluated by the high-pressure slow constant cooling KHI test method. Some of the tested polymers showed a better KHI effect than PVCap. |
| Databáze: | OpenAIRE |
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