| 학회 |
한국고분자학회 |
| 학술대회 |
2009년 가을 (10/08 ~ 10/09, 광주과학기술원 오룡관) |
| 권호 |
34권 2호 |
| 발표분야 |
고분자 합성 |
| 제목 |
Ultra low monol polyols produced by ring-opening polymerization of propylene oxide catalyzed by nano-sized double metal cyanide catalysts bearing different co-complexing agents |
| 초록 |
Polymerization of propylene oxide have been carried out by using nano-sized double metal cyanide (DMC) catalyst prepared by reacting ZnCl2 and K3[Co(CN)6]2 in the presence of tert-butyl alcohol as a main complexing agent (CA) and various polymeric co-CA such as poly(tetramethylene ether glycol), polypropylene glycol, polyethylene glycol, poly(ethylene oxide)poly(propylene oxide)poly(ethylene oxide) triblock copolymer EO20PO68EO20 (P123), and hyperbranched polyglycidol. The resulting DMC catalysts are characterized by elemental analysis, X-ray photoelectron spectroscopy, infrared spectroscopy, X-ray powder diffraction, electron microscopy. The structure of DMC catalysts with an average size ranging from 183.3 to 294.2 nm changes from amorphous to crystalline based on the co-CA used. All catalysts show high polymerization activities depending on the type of co-CA and polymerization parameters. |
| 저자 |
이인규1, 하주영1, 이전구2, 허승무2, 하창식1, 김일1
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| 소속 |
1부산대, 2금호석유화학 |
| 키워드 |
Catalysis; Co-complexing agent; Double metal cyanide; Propylene oxide; Ring-opening polymerization
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| E-Mail |
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