Patent · US Active

Procatalyst composition with substituted 1,2-phenylene aromatic diester internal donor and method

US8536372B2 · kind B2 · utility

8Cited by

24References

20Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Linfeng Chen · Sugar Land, US
Tak W. Leung · Charleston, US
Tao Tao · Nanjing, CN

Key dates

Filing date	Oct 9, 2012
Grant date	Sep 17, 2013
Priority date	—
Expiry date	Oct 9, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F110/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed are procatalyst compositions having an internal electron donor which include a substituted phenylene aromatic diester and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit high activity and produce propylene-based olefins with broad molecular weight distribution.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.