CATALYST SYSTEM, PROCESS FOR OLEFIN POLYMERIZATION, AND POLYMER COMPOSITIONS PRODUCED THEREFROM

Title:

CATALYST SYSTEM, PROCESS FOR OLEFIN POLYMERIZATION, AND POLYMER COMPOSITIONS PRODUCED THEREFROM

Document Type and Number:

WIPO Patent Application WO/2011/019474

Kind Code:

A3

Abstract:

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

More Like This:

JP2022181400	SOLID CATALYST COMPONENT FOR POLYMERIZING OLEFINS, CATALYST FOR POLYMERIZING OLEFINS, METHOD FOR PRODUCING OLEFINS POLYMER, OLEFIN POLYMER, METHOD FOR PRODUCING PROPYLENE-BASED BLOCK COPOLYMER AND PROPYLENE-BASED BLOCK COPOLYMER
WO/2019/094216	CATALYST COMPONENTS FOR PROPYLENE POLYMERIZATION
JP2000319313	SUPPORTED CATALYST HAVING DONOR-ACCEPTOR INTERACTION

Inventors:

CROWTHER DONNA J (US)
JIANG PEIJUN (US)
KOLB RAINER (US)

Application Number:

PCT/US2010/042065

Publication Date:

April 14, 2011

Filing Date:

July 15, 2010

Export Citation:

Click for automatic bibliography generation Help

Assignee:

EXXONMOBIL CHEM PATENTS INC (US)
CROWTHER DONNA J (US)
JIANG PEIJUN (US)
KOLB RAINER (US)

International Classes:

C08F10/06; C08F210/06

Domestic Patent References:

WO2001042249A1	2001-06-14
WO2010014344A2	2010-02-04

Foreign References:

EP0507876B1	1995-05-17
US20050009688A1	2005-01-13

Other References:

FOCANTE ET AL: "Complexes of tris(pentafluorophenyl)boron with nitrogen containing compounds: Synthesis, reactivity and metallocene activation", COORDINATION CHEMICAL REVIEWS, vol. 250, 27 June 2005 (2005-06-27), pages 170 - 188, XP002608301
YANO A ET AL: "INFLUENCE OF ACTIVATORS ON ETHYLENE POLYMERIZATION WITH DIPHENYLMETHYLIDENE-(CYCLOPENTADIENYL)(FLUORENYL)ZIRCONIUM DICHLORIDE CATALYSTS AT HIGH TEMPERATURE", JOURNAL OF MOLECULAR CATALYSIS. A, CHEMICAL, ELSEVIER, AMSTERDAM, NL LNKD- DOI:10.1016/S1381-1169(99)00107-7, vol. 148, no. 1/02, 1 January 1999 (1999-01-01), pages 77 - 86, XP001037764, ISSN: 1381-1169

Attorney, Agent or Firm:

TIMMINS, Stephen et al. (Law TechnologyP. O. Box 214, Baytown TX, US)

Download PDF:

View/Download PDF PDF Help

Previous Patent: CONTENT RECOGNITION AND SYNCHRONIZATION ON A TELEVISION OR CONSUMER ELECTRONICS DEVICE

Next Patent: DIGITAL CONTENT INTEGRATION AND DELIVERY SYSTEM AND METHOD