| Patent application number | Description | Published |
|---|
| 20090149605 | Heterophasic propylene based polymers for forming fiber - Fibers and articles formed therefrom are described herein. The fibers generally include a first polymer including a first propylene based impact copolymer and a second propylene based polymer. | 06-11-2009 |
| 20090202770 | Polypropylene/polyisobutylene blends and films prepared from same - A film prepared from a polypropylene and polyisobutylene blend wherein the film has a stretching force that is reduced by about 5% to 200% when compared to an otherwise similar film prepared in the absence of polyisobutylene. A method of producing film comprising contacting polypropylene and polyisobutylene to form a polymeric blend, forming the polymeric blend into a film, and orienting the film. | 08-13-2009 |
| 20090324911 | Polymeric compositions comprising polylactic acid and methods of making and using same - A multi-component article comprising a first component comprising a biodegradable polymer, and a second component comprising a polyolefin and a reactive modifier. A method of preparing a multi-layer film comprising coextruding first and second film layers, wherein the first layer comprises a polylactic acid and the second layer comprises a polyolefin and an epoxy-functionalized polyolefin. A method of preparing a multi-component fiber comprising coextruding a core component and a sheath component, wherein the core component comprises a polyolefin and an epoxy-functionalized polyolefin and the sheath component comprises a polylactic acid. | 12-31-2009 |
| 20090326130 | POLYMERIC BLENDS AND METHODS OF USING SAME - A film comprising a polylactic acid and polypropylene blend having a haze of from about 10% to about 95% and a gloss 45° of from about 50 to about 125. A method of producing an oriented film comprising blending polypropylene and polylactic acid to form a polymeric blend, forming the polymeric blend into a film, and orienting the film. A method of producing an injection molded article comprising blending polypropylene and polylactic acid to form a polymeric blend, injecting the polymeric blend into a mold, and forming the article. | 12-31-2009 |
| 20090326152 | Compatibilized polypropylene and polylactic acid blends and methods of making and using same - A composition comprising a blend of a polyolefin, polylactic acid, and a reactive modifier. A method of producing an oriented film comprising reactive extrusion compounding a mixture comprising polypropylene, polylactic acid, a reactive modifier to form a compatibilized polymeric blend, casting the compatibilized polymeric blend into a film, and orienting the film. A method of preparing a reactive modifier comprising contacting a polyolefin, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of an epoxy-functionalized polyolefin wherein the epoxy-functionalized polyolefin has a grafting yield of from 0.2 wt. % to 15 wt. %. | 12-31-2009 |
| 20100015331 | Hot melt adhesive compositions and methods of making and using same - A method comprising reactively extruding a polyolefin, an acrylate containing compound, and an initiator to form a polyolefin/polyacrylate blend, and applying the blend in a melted form to one or more substrates. A method comprising extruding a metallocene ethylene-propylene random copolymer to form a melt, wherein the copolymer has a melt flow rate of from 0.5 g/10 min. to 2000 g/10 min., and applying the melt to one or more substrates. A method comprising reactively extruding a metallocene ethylene-propylene random copolymer, an acrylate containing compound, and a peroxide to form a polyolefin/polyacrylate blend, wherein the blend has a melt flow rate of greater than 100 g/10 min., and applying the blend in a melted form to one or more substrates. | 01-21-2010 |
| 20100087602 | Long chain branched polypropylene for cast film applications - A method comprising contacting a polypropylene, an acrylate-containing compound, and an initiator to form a composition, and reactive extruding the composition to form a polymer blend. A method comprising contacting a polypropylene, a multi-functional acrylate monomer, and an initiator to form a composition, reactive extruding the composition to form a reactive extruded composition, and forming the reactive extruded composition into a film wherein the reactive extruded composition has a melt flow rate that is reduced by equal to or greater than 5% when compared to neat polypropylene. | 04-08-2010 |
| 20100136310 | Polyethylene Fibers and Processes of Forming the Same - Fibers and methods of forming the fibers are described herein. The fibers generally include an ethylene based polymer exhibiting a molecular weight distribution of from about 2 to about 8. | 06-03-2010 |
| 20110132519 | POLYOLEFIN POLYLACTIC ACID BLENDS FOR EASY OPEN PACKAGING APPLICATIONS - Easy open packaging films and methods of forming the same are described herein. The films generally include a polymeric composition, wherein the polymeric composition includes an olefin based polymer and polylactic acid. | 06-09-2011 |
| 20110144273 | POLYPROPYLENE AND POLYLACTIC ACID FORMULATIONS FOR HEAT SEAL APPLICATIONS - Films (or a cap layer of co-extruded films) and methods of forming the same are described herein. The films generally include a modified olefin based polymer including polypropylene and from 1 wt. % to 30 wt. % polylactic acid (PLA), wherein the modified olefin based polymer exhibits a seal initiation temperature (SIT) that is at least 5° C. less than a seal initiation temperature of the polypropylene absent the PLA and a hot tack range of at least 20° C. | 06-16-2011 |
