Patent application number | Description | Published |
20100056727 | POLYOLEFIN COMPOSITIONS, ARTICLES MADE THEREFROM AND METHODS FOR PREPARING THE SAME - The invention provides compositions for blow molding applications and other applications, where such compositions comprise a high density ethylene polymer and a high molecular weight ethylene polymer. In these compositions, the high density ethylene polymer has a density greater than the density of the high molecular weight ethylene polymer, and the high molecular weight ethylene polymer has a weight average molecular weight greater than the weight average molecular weight of the high density ethylene polymer, and in addition, the high density ethylene polymer has a density from 0.94 g/cm | 03-04-2010 |
20100272946 | CARPET, CARPET BACKING AND METHOD FOR MAKING SAME USING OLEFIN BLOCK COPOLYMERS - A carpet includes (a) a primary backing which has a face and a back surface, (b) a plurality of fibers attached to the primary backing and extending from the face of the primary backing and exposed at the back surface of the primary backing, (c) an adhesive backing, (d) an optional secondary backing adjacent to the adhesive backing, and (e) at least one olefin block copolymer, especially ethylene based block copolymers An olefin block copolymer is extrusion coated onto the back surface of a primary backing to provide an adhesive backing Additional steps and procedures can include washing or scouring the primary backing and fibers prior to the extrusion step, and utilizing implosion agents The preferred olefin block copolymer is an ethylene based block interpolymers The constructions and methods are suited for making tufted, broad-loom carpet having improved abrasion resistance. | 10-28-2010 |
20110015354 | PROPYLENE/ALPHA-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of mesophase separated propylene/α-olefin block interpolymers with controlled block sequences. The propylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 01-20-2011 |
20110015363 | PROPYLENE/A-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of propylene/α-olefin block interpolymers. The propylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 01-20-2011 |
20110032621 | ETHYLENE/ALPHA-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of mesophase separated ethylene/α-olefin block interpolymers with controlled block sequences. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 02-10-2011 |
20110054121 | BUTENE/ALPHA-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of butene/α-olefin block interpolymers. The butene/α-olefin inter-polymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 03-03-2011 |
20110060103 | BUTENE/A-OLEFIN BLOCK INTERPOLYMERS - Embodiments of the invention provide a class of mesophase separated butene/α-olefin block interpolymers with controlled block sequences. The butene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M | 03-10-2011 |
20110262747 | ADHESIVES MADE FROM INTERPOLYMERS OF ETHYLENE/ALPHA-OLEFINS - An adhesive composition comprises: (i) at least one ethylene/α-olefin interpolymer, (ii) at least one tackifier; and (iii) an oil or a low molecular weight polymer. Preferably, the ethylene/α-olefin interpolymer has a M | 10-27-2011 |
20120208961 | BLOCK COMPOSITES AND IMPACT MODIFIED COMPOSITIONS - Embodiments of the invention provide block composites and their use as impact modifiers. | 08-16-2012 |
20130061662 | APPARATUS AND METHOD FOR POLYMER CHARACTERIZATION - Apparatus for GPC/TREF and TREF/GPC characterization of a polymer sample. The apparatus provides for the automated and integrated use of multiple TREF columns and a GPC system employing a multiple flow through detectors. In addition, a method for TREF/GPC characterization of a polymer sample by GPC analysis of TREF fractions at increasing TREF elution temperatures from multiple TREF columns operated in a coordinated and synchronized temperature cycle for increased sample throughput. Also, a method for GPC/TREF characterization of a polymer sample by GPC fractionation followed by TREF fractionation of the GPC fractionations. | 03-14-2013 |
20150065638 | POLYOLEFIN ADHESIVE COMPOSITION - The invention provides an adhesive formulation comprising an olefin block copolymer comprising hard blocks and soft blocks wherein the hard blocks comprise 4-8 mol % comonomer; and are present in an amount of 20 wt %-45 wt %. This formulation is particularly advantageous for use in hot melt adhesives but may be used in other applications as well. | 03-05-2015 |