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코발트-살렌계 이산화탄소/에폭사이드 공중합 촉매 개발
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.advisor | 이분열 | - |
| dc.contributor.author | 노은경 | - |
| dc.date.accessioned | 2018-11-08T07:51:01Z | - |
| dc.date.available | 2018-11-08T07:51:01Z | - |
| dc.date.issued | 2008-02 | - |
| dc.identifier.other | 6376 | - |
| dc.identifier.uri | https://dspace.ajou.ac.kr/handle/2018.oak/7960 | - |
| dc.description | 학위논문(석사)----아주대학교 일반대학원 :분자과학기술학과,2008. 2 | - |
| dc.description.tableofcontents | 1. Introduction = 1 2. Result and Discussion = 3 3. Experimental Section = 8 Figures = 19 4. Refere = 26 | - |
| dc.language.iso | eng | - |
| dc.publisher | The Graduate School, Ajou University | - |
| dc.rights | 아주대학교 논문은 저작권에 의해 보호받습니다. | - |
| dc.title | 코발트-살렌계 이산화탄소/에폭사이드 공중합 촉매 개발 | - |
| dc.type | Thesis | - |
| dc.contributor.affiliation | 아주대학교 일반대학원 | - |
| dc.contributor.department | 일반대학원 분자과학기술학과 | - |
| dc.date.awarded | 2008. 2 | - |
| dc.description.degree | Master | - |
| dc.identifier.localId | 566691 | - |
| dc.identifier.url | http://dcoll.ajou.ac.kr:9080/dcollection/jsp/common/DcLoOrgPer.jsp?sItemId=000000006376 | - |
| dc.subject.keyword | CO2 epoxide copolymerization | - |
| dc.subject.keyword | 코발트-살렌계 | - |
| dc.description.alternativeAbstract | Salicylaldehyde compound containing an ammonium salt unit, [2-(HO)-3-tBu-5-{Bu₃N+(CH₂)₃Si(Me₂)}C_(6)H₂C(=O)H][BF4-] is prepared from which a Salen-type ligand and its cobalt(III) complex, (Salen-1)CoX (1: Salen-1 = [trans-N,N'-bis(3-tBu-5-(Bu3N+(CH₂)₃Si(Me₂)-salicylidene)-1,2-cyclohexanediamine)] X=2,4-dinitrophenolate) is prepared. Complex 1 shows high activity for CO₂/(propylene oxide) copolymerization even at a condition of high [propylene oxide]/[catalyst] ratio and high temperature up to 90 ℃, at which conditions a typical binary system of [(Salen)CoX]/[PPNCl] does not yield any copolymer. A very high TOF (up to 3500 h^(-1)) and TON (up to 14,500) are achieved, which have never been attained with other catalytic systems. The high selectivity (>90%) for the formation of copolymer over cyclic carbonate and the high molecular weight of the obtained polymers (Mn = 53,000 - 80,000) are the other merits of the catalyst.1 | - |
- Appears in Collections:
- Graduate School of Ajou University > Department of Molecular Science and Technology > 3. Theses(Master)
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