Cycloaddition of benzyne to substituted cyclopentadienes and cyclopentadienyl Grignard reagents
作者:Warren T. Ford
DOI:10.1021/jo00824a028
日期:1971.12
Davies, Alwyn G.; Lusztyk, Ewa; Lusztyk, Janusz, Journal of the Chemical Society. Perkin transactions II, 1982, p. 729 - 736
作者:Davies, Alwyn G.、Lusztyk, Ewa、Lusztyk, Janusz
DOI:——
日期:——
HOLM, K. H.;SKATTEBOL, L., ACTA CHEM. SCAND., 1984, 38, N 9, 783-794
作者:HOLM, K. H.、SKATTEBOL, L.
DOI:——
日期:——
Holm, Kjetil H.; Skatteboel, Lars, Acta chemica Scandinavica. Series B: Organic chemistry and biochemistry, 1984, vol. 38, # 9, p. 783 - 794
作者:Holm, Kjetil H.、Skatteboel, Lars
DOI:——
日期:——
Polyolefin catalyst and method for preparing polyolefin by using same
申请人:LOTTE CHEMICAL CORPORATION
公开号:US11359040B2
公开(公告)日:2022-06-14
Disclosed are a polyolefin having a high molecular weight by using a novel metallocene catalyst; a method for preparing the polyolefin by using the same; and a method for preparing an ethylene-propylene random copolymer having high molecular weight, high syndiotacticity and small crystal size, thereby providing injection molded articles with improved transparency. The present invention provides a transition metal compound represented by chemical formula 1: