Title:
【発明の名称】プロピレン耐衝撃性コポリマー
Document Type and Number:
Japanese Patent JP2003522259
Kind Code:
A
Abstract:
A propylene impact copolymer composition, comprises (A) propylene homo/copolymer with less than 10% of ethylene, butene, hexene or octene (40-95 wt.%), and (B) a propylene copolymer containing 20-70% of ethylene, butene, hexene or octene monomers (5-60 wt.%). (B) has molecular weight of at least 100,000, a composition distribution greater than 60% and an intrinsic viscosity > 1.00 dl/g. Independent claims are also included for: (1) a reactor-produced propylene impact copolymer composition, comprising (A) with properties as previously defined, and (B) containing 30-65% of ethylene so that it has a molecular weight of at least 150,000, a molecular weight distribution of 3.5, a composition distribution greater than 65%, an intrinsic viscosity of at least 2.00 dl/g and less than 10% of crystalline portions; and (2) the production of the propylene impact copolymer, comprises polymerizing (A) in a single stage, and polymerizing (B) in another stage and in the presence of (A). Either stage uses a metallocene catalyst.
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Inventors:
Berk Hardat, Terry Jay
Weiser, Down Sea
Li, Robert Tee
Sterling, Udo M
Haygood, William T. Jr.
Rix, Francis Sea
Meter, Aspy Kay
Weiser, Down Sea
Li, Robert Tee
Sterling, Udo M
Haygood, William T. Jr.
Rix, Francis Sea
Meter, Aspy Kay
Application Number:
JP2001558115A
Publication Date:
July 22, 2003
Filing Date:
February 08, 2001
Export Citation:
Assignee:
ExxonMobil Chemical Patents, Inc.
International Classes:
B01J31/00; B01J31/22; C07F7/00; C07F7/08; C07F7/12; C07F7/22; C07F7/30; C07F17/00; C08F4/44; C08F4/64; C08F4/659; C08F4/6592; C08F8/00; C08F10/00; C08F210/16; C08F297/08; C08L23/10; C08L23/12; C08L23/14; C08F10/06; C08F110/06; C08F210/06; C08L23/16; (IPC1-7): C08L23/10; C08F4/64; C08F297/08; C08L23/14
Domestic Patent References:
| JPH11286584A | 1999-10-19 | |||
| JP2001512771A | 2001-08-28 | |||
| JPH05202152A | 1993-08-10 | |||
| JP2002503729A | 2002-02-05 | |||
| JPH07102028A | 1995-04-18 |
Foreign References:
| WO1999011684A1 | 1999-03-11 |
Attorney, Agent or Firm:
Yuzo Yamazaki (2 outside)