학회 |
한국고분자학회 |
학술대회 |
2003년 봄 (04/11 ~ 04/12, 연세대학교) |
권호 |
28권 1호, p.113 |
발표분야 |
고분자 합성 |
제목 |
Syndiospecific Polymerizations of Propylene with (α-Diimine)nickel(II) Catalysts |
초록 |
New unsymmetrical diimine ligands were synthesized via sequential dehydration reaction from acenaphthenequinone. These unsymmetrical α-diimine ligands were combined with nickel precursor to form new unsymmetrical (α-diimine)nickel(II) catalysts with different ortho aryl substituents. The (α-diimine)nickel(II) catalysts were subjected to propylene polymerizations with MAO cocatalyst. It was found that the ortho aryl substituents of new (α-diimine)nickel(II) catalysts affected a tacticity of the produced polypropylene. Polypropylene produced by C2v-symmetric (α-diimine)nickel(II) catalysts showed high syndiotacticity, while Cs-symmetric and C1-symmetric catalysts produced a propylene with low syndiotacticity. |
저자 |
전만성;임시경;김상율 |
소속 |
한국과학기술원 화학과 분자과학사업단(BK21) & 기능성고분자연구센터;한국과학기술원 화학과 분자과학사업단(BK21) & 기능성고분자연구센터;한국과학기술원 화학과 분자과학사업단(BK21) & 기능성고분자연구센터 |
키워드 |
propylene; diimine; nickel
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E-Mail |
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