Process for the preparation of optically active polyolefins

Details Process for the preparation of optically active polyolefins Process for the preparation of optically active polyolefins

1986-03-11

1990-06-12

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502117, 5263486, 526351, C08F 466, C08F 1004

Patent

active

049334034

ABSTRACT:
Process for the preparation of optically active polyolefins by polymerizing olefins of the formula CH.sub.2 .dbd.CHR in which R.dbd.C.sub.1 C.sub.10 -alkyl in the presence of an optically active catalyst system composed of an optically active transition metal compound containing only enantiomer (R- or S-form) of a stereorigid, chiral transition metal compound and an aluminum-containing compound of the aluminoxane type.

REFERENCES:
patent: 3193544 (1965-07-01), Natta et al.
patent: 3197452 (1965-07-01), Natta et al.
patent: 4522982 (1985-06-01), Ewen
Mechanisms of Stereochemical Control in Propylene Polymerizations with Soluble Group 4B Metallocene/Methylalumoxane Catalysts, John A. Ewen, J. Am. Chem. Soc., 106, 6355-6364 (1984).
Synthesis and Molecular Structures of Chiral Ansa-Titanocene Derivatives with Bridged Tetrahydroindenyl Ligands, Ferdinand R. W. P. Wild et al, Journal of Organometallic Chemistry, 232 (1982), 233-247.

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