Patent application number | Description | Published |
20090043048 | Peroxide-Cured Thermoplastic Vulcanizates Prepared With Ultrahigh Molecular Weight Plastics - A thermoplastic vulcanizate comprising a dynamically cured rubber, where the rubber is peroxide cured, and a thermoplastic phase, where at least 10% by weight of the thermoplastic phase includes an ultrahigh molecular weight plastic, where the ultrahigh molecular weight plastic is characterized by a M | 02-12-2009 |
20090123827 | Multi-layer, microporous membrane, battery separator and battery - The invention relates to a multi-layer, microporous polyolefin membrane having appropriate permeability, pin puncture strength, shutdown temperature, shutdown speed, meltdown temperature, and thickness uniformity. The invention also relates to a battery separator formed by such multi-layer, microporous membrane, and a battery comprising such a separator. Another aspect of the invention relates to a method for making the multi-layer, microporous polyolefin membrane, a method for making a battery using such a membrane as a separator, and a method for using such a battery. | 05-14-2009 |
20090123828 | Multi-Layer, Microporous Membrane, Battery Separator And Battery - The invention relates to a multi-layer, microporous membrane having appropriate permeability, pin puncture strength, shutdown temperature, shutdown speed, meltdown temperature, and thickness uniformity. The invention also relates to a battery separator formed by such multi-layer, microporous membrane, and a battery comprising such a separator. Another aspect of the invention relates to a method for making the multi-layer, microporous polyolefin membrane, a method for making a battery using such a membrane as a separator, and a method for using such a battery. | 05-14-2009 |
20090186279 | Polymeric Material And Its Manufacture And Use - Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a heat of fusion of more than about 108 J/g, a melting point of 165° C. or higher, a Melt Flow Rate so low that it is essentially not measurable and a molecular weight of greater than about 1.5×10 | 07-23-2009 |
20100076164 | METHODS AND DEVICES FOR POLYMERIZATION - A method of treating a gas phase fluidized bed reactor and a method of polymerizing olefins in a gas phase fluidized bed reactor in the presence of a catalyst prone to cause sheeting by introducing a chromium-containing compound into the reactor and forming a high molecular weight polymer coating on the walls of the reactor. Furthermore, a device for and method of introducing the chromium-containing compound into the fluidized bed reactor at a plurality of locations in proximity to a lower section of a bed section wall of the fluidized bed reactor, and forming a high molecular weight polymer coating on the bed section wall. | 03-25-2010 |
20100151334 | Microporous Polyolefin Membrane, Its Production Method, And Battery Separator - A microporous polyolefin membrane comprising a polyethylene resin, and polypropylene having a weight-average molecular weight of 6×10 | 06-17-2010 |
20100184927 | METHODS FOR APPLYING SOLUTION CATALYSTS TO REACTOR SURFACES - A method for treating at least one interior surface (for example, a bed wall) of a fluidized bed polymerization reactor system, including by applying a solution catalyst (preferably at least substantially uniformly and in liquid form) to each surface, and optionally (where a catalyst component of the solution catalyst comprises at least one chromium containing compound) oxidizing at least some of the applied chromium containing compound in a controlled manner. | 07-22-2010 |
20110086276 | Polymeric Material And Its Manufacture And Use - Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a heat of fusion of more than about 108 J/g, a melting point of 165° C. or higher, a Melt Flow Rate so low that it is essentially not measurable and a molecular weight of greater than about 1.5×10 | 04-14-2011 |
20120039755 | Methods and Devices for Polymerization - A method of treating a gas phase fluidized bed reactor and a method of polymerizing olefins in a gas phase fluidized bed reactor in the presence of a catalyst prone to cause sheeting by introducing a chromium-containing compound into the reactor and forming a high molecular weight polymer coating on the walls of the reactor. Furthermore, a device for and method of introducing the chromium-containing compound into the fluidized bed reactor at a plurality of locations in proximity to a lower section of a bed section wall of the fluidized bed reactor, and forming a high molecular weight polymer coating on the bed section wall. | 02-16-2012 |
20120070575 | METHODS FOR APPLYING SOLUTION CATALYSTS TO REACTOR SURFACES - A method for treating at least one interior surface (for example, a bed wall) of a fluidized bed polymerization reactor system, including by applying a solution catalyst (preferably at least substantially uniformly and in liquid form) to each surface, and optionally (where a catalyst component of the solution catalyst comprises at least one chromium containing compound) oxidizing at least some of the applied chromium containing compound in a controlled manner. | 03-22-2012 |
20140221514 | Polymerization Activators for Supported Ziegler-Natta Catalysts - Processes for producing impact copolymers are provided. Ethylene and at least one copolymer can be polymerized in the presence of one or more catalysts, polypropylene particles, and one or more halocarbon compounds to produce an impact copolymer that includes the polypropylene particles and an ethylene copolymer. | 08-07-2014 |