| US 7,592,410 B2 | ||
| Polyethylene resin with narrow particle size distribution | ||
| Remko Van Marion, Vienna (Austria); Bill Gustafsson, Stenungsund (Germany); Mats Baeckman, Goeteborg (Sweden); and Erik Van Praet, Holsbeek (Belgium) | ||
| Assigned to Borealis Technology Oy, Porvoo (Finland) | ||
| Appl. No. 11/913,633 PCT Filed Apr. 27, 2006, PCT No. PCT/EP2006/003945 § 371(c)(1), (2), (4) Date Apr. 24, 2008, PCT Pub. No. WO2006/119875, PCT Pub. Date Nov. 16, 2006. |
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| Claims priority of application No. 05009984 (EP), filed on May 06, 2005. | ||
| Prior Publication US 2008/0241510 A1, Oct. 02, 2008 | ||
| Int. Cl. C08F 10/10 (2006.01); C08F 2/34 (2006.01); C08F 2/38 (2006.01) | ||
| U.S. Cl. 526—348 [526/64; 526/65; 526/352; 526/909] | 21 Claims |
| 1. A polyethylene resin comprising
A) a first ethylene homo- or copolymer fraction, and
B) a second ethylene homo- or copolymer fraction,
wherein fraction (A) has a lower molecular weight than fraction (B), characterized in that polymer resin powder obtained directly
after the final polymerization step has a particle size distribution PSD95/5 equal to or smaller than 12.
|