학회 | 한국공업화학회 |
학술대회 | 2004년 가을 (10/29 ~ 10/30, 호서대학교(아산캠퍼스)) |
권호 | 8권 2호 |
발표분야 | 고분자 |
제목 | 부분 불소화 된 comb-like 공중합체의 제조 및 이산화탄소용 계면활성제에 대한 응용 |
초록 | Amphiphilic comb-shaped and comb-like statistical copolymers of oligo(ethylene glycol) methacrylate (OEGMA) and 1H,1H,2H,2H-perfluorooctyl methacrylate (FOMA) has been synthesized in supercritical carbon dioxide as solvent via free-radical copolymerization and block copolymers1 were prepared using group transfer polymerization. The hydrophilic chain is based on methoxy-capped oligo(ethylene glycol) methacrylate (OEGMA), a branched analogue of PEO, and the CO2-philic component is a perfluorooctyl methacrylate segment. The micellar characteristics of the statistical copolymers in water and chloroform were investigated by quasi-elastic light scattering and transmission electron microscopy. The size and morphologies of micelles were greatly influenced by statistical copolymer composition. In addition, the solubility of statistical copolymers and the formation of reverse micelles in CO2 were described in terms of the cloud points. The comb-shaped copolymers could form stable reverse micelles at wo=12. |
저자 | 황하수, 김현정, 임권택 |
소속 | 부경대 |
키워드 | semifluorinated copolymer; carbon dioxide; graft copolymer; emulsion |