| Patent application number | Description | Published |
|---|
| 20090029098 | Resin Composition for Improved Slit Film - Slit films and processes of forming the same are generally described herein. In one embodiment, the slit films include an impact copolymer (ICP) formed of polypropylene and less than about 8 wt. % total ethylene, wherein the slit film exhibits less shrinkage and higher tenacity than a slit film formed from an ICP having greater than 10 wt. % ethylene. In one embodiment, the slit films include an impact copolymer including propylene and ethylene, wherein the slit film is absent another polymer. | 01-29-2009 |
| 20090155614 | Polypropylene Materials and Method of Preparing Polypropylene Materials - A polypropylene material may be prepared from a blend of heterophasic propylene copolymers and propylene homopolymers. The material may be prepared by blending the polymers while they are in a molten state, and forming a film or sheet from the polymer blend. The materials may also be formed as coextruded materials or as ternary blends with a polyethylene or a single phase random propylene copolymer. The blends and neat polymers have particular application to forming slit film tapes and similar materials. The resultant materials may exhibit increased tenacity, elongation and toughness and greater surface roughness as compared to those materials prepared solely from propylene homopolymers. | 06-18-2009 |
| 20100081767 | Articles Formed from Nucleated Polyethylene - Polymer articles and processes of forming the same are described herein. The processes generally include providing an ethylene based polymer, blending the ethylene based polymer with a modifier to form modified polyethylene and forming the modified polyethylene into a polymer article, wherein the polymer article exhibits a haze that is at least about 10% less than a polymer article prepared with a similarly modified polyethylene. | 04-01-2010 |
| 20100129579 | Rapid Crack Properties in High Performance Pipe - Pipe articles and methods of forming the same are described herein. The pipe articles generally include a bimodal polyethylene including a greater amount of high molecular weight fraction than low molecular weight fraction and wherein the pipe article exhibits a critical temperature of less than about 0° C. at 5 bar. | 05-27-2010 |
| 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 |
| 20100159173 | Polyethylene Polymerization Processes - Polymer articles and processes of forming the same are described herein. The processes generally include providing a bimodal ethylene based polymer, blending the bimodal ethylene based polymer with a nucleator to form modified polyethylene and forming the modified polyethylene into a polymer article, wherein the polymer article is selected from pipe articles and blown films. | 06-24-2010 |
| 20110105691 | Blends of Polypropylene and Polyethylene and Methods of Forming the Same - Polymer blends and methods of forming the same are described herein. The polymer blends generally include a single site transition metal catalyst formed polypropylene, a single site transition metal catalyst formed polyethylene and a polyethylene compatible nucleator. | 05-05-2011 |
| 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 |
| 20110174413 | Modification of Polyethylene Pipe to Improve Sag Resistance - Methods of forming pipe articles and pipe articles are described herein. The methods generally include providing a bimodal ethylene based polymer, blending the bimodal ethylene based polymer with up to about 50 ppm peroxide to form modified polyethylene and forming the modified polyethylene into a pipe. | 07-21-2011 |
| 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 |
| 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 |
| 20120108863 | Depolymerizatin of Plastic Materials - A styrene monomer reclamation process and system is disclosed. The styrene monomer reclamation process includes providing a waste plastic. The waste plastic includes styrenic polymers. The waste plastic is formed into polymer particles. At least a portion of the polymer particles are dissolved in a solvent to form a polymer stream. The dissolved polymer particles are depolymerized to form a styrene monomer stream. | 05-03-2012 |
| 20120175008 | POLYETHYLENE COMPOSITION FOR LARGE DIAMETER PIPE STABILITY - Pipe articles and methods of forming the same are described herein. The methods generally include providing an ethylene based polymer; contacting the ethylene based polymer with a secondary stabilizer including a diphosphite to form a modified polyethylene; and forming the modified polyethylene into a pipe. | 07-12-2012 |
| 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 |
| 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 |
| 20130165571 | USE OF NUCLEATION IN ICP RESINS - A blown film composition including an impact copolymer polypropylene component and a nucleating agent, wherein the blown film has improved processing and physical properties. | 06-27-2013 |
| 20130165590 | METHODS FOR IMPROVING MULTIMODAL POLYETHYLENE AND FILMS PRODUCED THEREFROM - A blown film composition including a first high density polyethylene component and a second high density polyethylene component, wherein the blown film contains a mixture of three or more discrete molecular weight distributions, and wherein the second high density polyethylene component has at least one more discrete molecular weight distribution than the first high density polyethylene component. | 06-27-2013 |
| 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 |
| 20130331503 | Methods for Improving Multimodal Polyethylene and Films Produced Therefrom - A blown film composition including a first high density polyethylene component and a second high density polyethylene component, wherein the blown film contains a mixture of three or more discrete molecular weight distributions, and wherein the second high density polyethylene component has at least one more discrete molecular weight distribution than the first high density polyethylene component. | 12-12-2013 |
| 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 |
