Process for producing an olefin polymer or copolymer and catalys

Details Process for producing an olefin polymer or copolymer and catalys Process for producing an olefin polymer or copolymer and catalys

1994-04-18

1996-12-10

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502123, 502127, 526351, C08F 4651, C08F 4654, C08F 1000

Patent

active

055831885

ABSTRACT:
As improved process for producing an olefin polymer or copolymer by using a novel catalyst composition composed of (A) a titanium catalyst component containing magnesium, titanium, halogen and an ester specified in claim 1, as an electron donor, (B) an organoaluminum compound and (C) a heterocyclic compound or a ketone specified in claim 1, as a third component. The combination parameter of the ester in (A) and the (C) component is new, and the process can give a highly stereospecific olefin polymer or copolymer in high yields.

REFERENCES:
patent: 4069169 (1978-01-01), Toyoda et al.
patent: 4107414 (1978-08-01), Giannini et al.
patent: 4243552 (1981-01-01), Welch
patent: 4256866 (1981-03-01), Karagannis et al.
patent: 4310439 (1982-01-01), Langer
patent: 4329253 (1982-05-01), Goodall et al.

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