BUNNETT J. F.; SUNDBERG J. E., CHEM. AND PHARM. BULL. <CPBT-AL>, 1975, 23, NO 11, 2620-2628
作者:BUNNETT J. F.、 SUNDBERG J. E.
DOI:——
日期:——
Catalyst for synthesizing a polypropylene with a wide molecular weight distribution and use of the same
申请人:Zhang Chunyu
公开号:US20090023881A1
公开(公告)日:2009-01-22
The present invention relates to a catalyst for synthesizing a polypropylene with a wide molecular weight distribution and use of the same. The catalyst comprises magnesium halide, titanium-containing compound, and an organic phosphate type electron donor compound. By the catalyst according to the present invention, a propylene polymer with a wide molecular weight distribution, easily controllable isotacticity and good processing properties can be synthesized.
US7723449B2
申请人:——
公开号:US7723449B2
公开(公告)日:2010-05-25
van Hooidonk,C.; Ginjaar,L., Recueil des Travaux Chimiques des Pays-Bas, 1967, vol. 86, p. 449 - 457
作者:van Hooidonk,C.、Ginjaar,L.
DOI:——
日期:——
Bunnett,J.F.; Sundberg,J.E., Chemical and pharmaceutical bulletin, 1975, vol. 23, p. 2620 - 2628