| 학회 |
한국고분자학회 |
| 학술대회 |
2008년 가을 (10/09 ~ 10/10, 일산킨텍스) |
| 권호 |
33권 2호 |
| 발표분야 |
고분자 합성 |
| 제목 |
Ultra low monol polyols produced by ring-opening polymerization of propylene oxide catalyzed by various double metal cyanide complexes. |
| 초록 |
Double metal cyanide (DMC) complexes based on Zn3[Co(CN)6]2 are effective catalysts for the ring-opening polymerization of propylene oxide. A series of double metal cyanide (DMC) complex catalysts were prepared in two different methods by using polypropylene glycol, polytetramethylene ether glycol, EO-PO-EO copolymer, and hyperbranched glycerols as an additional complex ligands. Various catalysts prepared by changing the complexing and co-complexing agents were characterized by elemental analysis, ICP-MS, XRD, XPS and IR spectroscopy. The complexing agent and co-complexing agent were found essential to make the catalyst active. The DMC catalysts produced polyether polyols with ultralow unsaturation level (0.00250.01021meq./g), high molecularweight (5546 - 6282 g/mol), narrow molecular weight distribution (1.221.27), and low viscosity (666-950 cP). |
| 저자 |
서현숙1, 이인규1, 허승무2, 이전구2, 하창식1, 김일1
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| 소속 |
1부산대, 2금호석유화학 |
| 키워드 |
ring-opening polymerization; propylene oxide; double metal cyanide catalyst
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| E-Mail |
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