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 |
20110190447 | COMPATIBILIZED POLYPROPYLENE HETEROPHASIC COPOLYMER AND POLYLACTIC ACID BLENDS FOR INJECTION MOLDING APPLICATIONS - Injection molded articles and process of forming the same are described herein. The processes generally include providing a polyolefin including one or more propylene heterophasic copolymers, the polyolefin having an ethylene content of at least 10 wt. % based on the total weight of the polyolefin; contacting the polyolefin with a polylactic acid and a reactive modifier to form a compatiblized polymeric blend, wherein the reactive modifier is produced by contacting a polypropylene, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of a glycidyl methacrylate grafted polypropylene (PP-g-GMA) having a grafting yield in a range from 1 wt. % to 15 wt. %; and injection molding the compatibilized polymeric blend into an article. | 08-04-2011 |
20110195210 | POLYPROPYLENE AND POLYLACTIC ACID BLENDS OF INJECTION STRETCH BLOW MOLDING APPLICATIONS - Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article. | 08-11-2011 |
20110251346 | Biodegradable Polymeric Compositions and Methods of Making and Using the Same - Biodegradable polymeric compositions and processes for making such are described herein. The processes generally include providing an olefin based polymer selected from polypropylene, polyethylene, combinations thereof and copolymers thereof and contacting the olefin based polymer with polylactic acid in the presence of a reactive modifier to form the biodegradable polymeric composition, wherein the reactive modifier is selected from oxazoline-grafted polyolefins, maleated polyolefin-based ionomers, isocyanate-functionalized polyolefins and combinations thereof. | 10-13-2011 |
20110313104 | Polypropylene Compositions for Oriented Films - Oriented films and methods of forming the same are discussed herein. The oriented films generally include a propylene based polymer and an additive selected from fluoropolymers, fluoroelastomers and combinations thereof, wherein the additive is present in an amount of from about 50 ppm to about 20,000 ppm. | 12-22-2011 |
20120034838 | Polymeric Blends for Fiber Applications and Methods of Making the Same - Processes of forming a fiber article and articles formed therefrom are described herein. The processes generally include providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid in the presence of a reactive modifier, a non-reactive modifier or a combination thereof to form a polymeric blend, wherein the reactive modifier is selected from epoxy-functionalized polyolefins and the non-reactive modifier comprises an elastomer; and forming the polymeric blend into a fiber article. | 02-09-2012 |
20120065333 | CROSSLINKABLE HIGH MELT STRENGTH POLYPROPYLENE RESINS - Crosslinkable silane-grafted polypropylene compositions and processes of forming the same are described herein. The processes generally include contacting a polyolefin, a multifunctional monomer and a silane compound in the presence of a radical initiator, wherein the polyolefin is selected from polypropylene, polyethylene, combinations thereof and copolymers thereof. | 03-15-2012 |
20120065334 | POLYMERIC BLENDS FOR SLIT FILM APPLICATIONS AND METHODS OF MAKING THE SAME - Films and processes of forming the same are described herein. The processes generally include providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid in the presence of a modifier to form a polymeric blend, wherein the modifier is selected from epoxy-functionalized polyolefins, maleic anhydride modified polyolefins, ethylene-methacrylate copolymers, styrene-ethylene-butadiene-styrene (SIBS) polymers, and combinations thereof; forming the polymeric blend into a film; and monoaxially orienting the film. | 03-15-2012 |
20120080822 | 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. %. | 04-05-2012 |
20120189860 | POLYMERIC COMPOSITIONS COMPRISING POLYLACTIC ACID OLIGOMERS AND METHODS OF MAKING THE SAME - Process of modifying polylactic acid and compositions formed therefrom are described herein. The process generally includes providing a first polylactic acid, wherein the first polylactic acid includes a carboxylic acid end group and unsaturating the first polylactic acid to form a second polylactic acid. | 07-26-2012 |
20120196984 | Polyolefin Blends Used as Masterbatch Concentrates - Polyolefin blends and processes for forming polyolefin blends are described herein. Such processes generally include providing a polyolefin, providing a concentrated monomer system including a first monomer and a first portion of the polyolefin and blending the concentrated monomer system with a second portion of the polyolefin to form a modified polyolefin. | 08-02-2012 |
20120208037 | COMPATIBILIZED POLYMERIC COMPOSITIONS COMPRISING POLYOLEFIN-POLYLACTIC ACID COPOLYMERS AND METHODS OF MAKING THE SAME - Polymeric compositions and processes of forming the same are described herein. The processes generally include contacting a polyolefin with a polylactic acid in the presence of at least 800 ppm of radical initiator under extrusion conditions to produce a polyolefin-polylactic acid copolymer. | 08-16-2012 |
20120211927 | MODIFIED POLYLACTIC ACID, POLYMERIC BLENDS AND METHODS OF MAKING THE SAME - Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof. | 08-23-2012 |
20120214944 | POLYOLEFIN POLYLACTIC ACID IN-SITU BLENDS - Polymeric compositions and methods of forming the same are described herein. The methods generally include contacting a polyolefin and a lactide in the presence of a catalyst within an extruder under conditions sufficient to polymerize the lactide and form a polymeric composition including polyolefin and polylactic acid. | 08-23-2012 |
20120220730 | High Melt Strength Polypropylene and Methods of Making Same - A high melt strength polypropylene is formed using maleated polypropylene and a combination of coupling agents and acid neutralizers. The maleated polypropylene can be formed using multi-functional monomers. The high melt strength polypropylene can be useful for foaming, sheet extrusion thermoforming, extrusion blow molding, extrusion coating, fiber, film, and the like. | 08-30-2012 |
20120296044 | 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. | 11-22-2012 |
20120296045 | 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. | 11-22-2012 |
20130005852 | Epoxy Functional Polystyrene for Enhanced PLA Miscibility - Polystyrene blends and methods of making polystyrene blends including combining a styrene monomer and an epoxy-functional comonomer to form a combined mixture, subjecting the combined mixture to polymerization to obtain a polystyrene copolymer and combining the polystyrene copolymer with a biodegradable polymer to obtain a polystyrene blend. | 01-03-2013 |
20130197161 | Injection Molded Article Comprising Polypropylene and Polylactic Acid - 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. | 08-01-2013 |
20130216750 | Process for Cross-Linked Polyethylene Production - A method of producing a silane cross-linked polyethylene is disclosed which includes maleating a polyethylene polymer to form a maleated polyethylene and reacting the maleated polyethylene with a primary or secondary amino silane to form a silane-grafted polyethylene. The method further includes treating the silane-grafted polyethylene in a moisture curing process to form the silane cross-linked polyethylene. | 08-22-2013 |
20130253121 | SINGLE PELLET POLYMERIC COMPOSITIONS - A pellet composed of a polymeric blend having a composition of between 99.5-51 wt % polyolefin and 0.5-49.9 wt % polylactic acid. | 09-26-2013 |
20130317173 | COMPATIBILIZED POLYPROPYLENE HETEROPHASIC COPOLYMER AND POLYLACTIC ACID BLENDS FOR INJECTION MOLDING APPLICATIONSCOMPATIBILIZED POLYPROPYLENE HETEROPHASIC COPOLYMER AND POLYLACTIC ACID BLENDS FOR INJECTION MOLDING APPLICATIONS - Injection molded articles and process of forming the same are described herein. The processes generally include providing a polyolefin including one or more propylene heterophasic copolymers, the polyolefin having an ethylene content of at least 10 wt. % based on the total weight of the polyolefin; contacting the polyolefin with a polylactic acid and a reactive modifier to form a compatiblized polymeric blend, wherein the reactive modifier is produced by contacting a polypropylene, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of a glycidyl methacrylate grafted polypropylene (PP-g-GMA) having a grafting yield in a range from 1 wt. % to 15 wt. %; and injection molding the compatibilized polymeric blend into an article. | 11-28-2013 |
20140023869 | Compatibilized Polymeric Compositions Comprising Polyolefin-Polylactic Acid Copolymers and Methods of Making the Same - Polymeric compositions and processes of forming the same are described herein. The Processes generally include contacting a polyolefin with a polylactic acid in the presence of at least 800 ppm of a radical initiator under extrusion conditions to produce a polyolefin-polylactic acid copolymer. | 01-23-2014 |
20140048963 | 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. | 02-20-2014 |
20140072746 | MODIFIED POLYLACTIC ACID, POLYMERIC BLENDS AND METHODS OF MAKING THE SAME - Polymeric compositions and processes of forming the same are discussed herein. The processes generally include contacting a polylactic acid with a reactive modifier selected from epoxy-functionalized polybutadiene, ionic monomer, and combinations thereof. | 03-13-2014 |
20140141189 | POLYPROPYLENE AND POLYLACTIC ACID BLENDS OF INJECTION STRETCH BLOW MOLDING APPLICATIONS - Injection stretch blow molded (ISBM) articles containing a bio-based polymers and methods of forming the same are described herein. The method generally includes providing a propylene-based polymer; contacting the propylene-based polymer with polylactic acid to form a polymeric blend; injection molding the blend into a preform; and stretch-blowing the preform into an article. | 05-22-2014 |
20140235791 | 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. | 08-21-2014 |
20140377492 | PROCESS FOR PRODUCTION OF CROSS-LINKED POLYETHYLENE ARTICLES - A method of producing a sliane cross-linked polyethylene is disclosed which includes maleating a polyethylene polymer to form a maleated polyethylene and reacting the maleated polyethylene with a primary or secondary amino silane to form a silane-grafted polyethylene. The method further includes treating the silane-grafted polyethylene in a moisture curing process to form the silane cross-linked polyethylene. | 12-25-2014 |
20140378613 | PROCESS FOR CROSS-LINKED POLYETHYLENE PRODUCTION - A method of producing a silane cross-linked polyethylene is disclosed which includes maleating a polyethylene polymer to form a maleated polyethylene and reacting the maleated polyethylene with a primary or secondary amino silane to form a silane-grafted polyethylene. The method further includes treating the silane-grafted polyethylene in a moisture curing process to form the silane cross-linked polyethylene. | 12-25-2014 |
20150031838 | METALLIC ACRYLATE SALTS TO INCREASE POLYMER MELT STRENGTH - A composition can include a polyolefin, a styrenic polymer, or a polylactic acid. The composition can include a metallic acrylate salt. A method of making a composition can include melt mixing a polyolefin, a styrenic polymer, or a polylactic acid with a metallic acrylate salt. | 01-29-2015 |