Patent application number | Description | Published |
20100298502 | MODIFICATION OF POLYOLEFINS - The invention provides a process for increasing the melt flow index of a polyolefin, the process comprising using a melt mixing device to melt mix the polyolefin in contact with oxygen and a transition metal catalyst having a redox potential ranging from 0 to 2 volts, wherein oxygen is introduced to the melt mixing device, and wherein the transition metal catalyst in contact with the polyolefin forms at least part of a component of the melt mixing device. | 11-25-2010 |
20100307951 | Starch Nanocomposite Materials - In one aspect, the invention provides a substantially exfoliated nanocomposite material including starch and hydrophobically modified layered silicate clay. In another aspect, the invention provides packaging made from material including the substantially exfoliated nanocomposite material described above. The nanocomposite material has improved mechanical and rheological properties and reduced sensitivity to moisture in that the rates of moisture update and/or loss are reduced. In another aspect, the invention provides a process for preparing the substantially exfoliated nanocomposite material described above, including a step of mixing the starch in the form of an aqueous gel with the hydrophobic clay in a melt mixing device. In a further aspect, the invention provides a process for preparing the substantially exfoliated nanocomposite material, including the steps of mixing the starch with the hydrophobic clay to form a masterbatch (hereinafter “the masterbatch process”) and mixing the masterbatch with further starch. | 12-09-2010 |
20100317786 | PROCESS FOR THE PREPARATION OF POLYOLEFIN NANOCAMPOSITES - The instant invention discloses a process for the preparation a polyolefin nanocomposite which comprises melt mixing a mixture of a polyolefin, a filler and a non-ionic surfactant. | 12-16-2010 |
20110028633 | Dispersing Agents in Nanocomposites - The instant invention discloses a composition, preferably a nanocomposite material, comprising (a) a synthetic polymer, (b) a filler such as for example a natural or synthetic phyllosilicate or a mixture of such phyllosilicates, preferably in nanoparticles, and (c) a dispersing agent prepared by controlled free radical polymerization (CFRP). | 02-03-2011 |
20110166298 | CONDUCTING AND SEMICONDUCTING ORGANIC MATERIALS - A polymer comprising a conducting or semiconducting segment coupled to a polymer segment having an insulating polymer backbone, the polymer further comprising a RAFT functional group coupled to the polymer segment, wherein there is no RAFT functional group in between the conducting or semiconducting segment and the polymer segment. | 07-07-2011 |
20120004381 | RAFT POLYMERISATION - A method of preparing polymer, the method comprising polymerising one or more ethylenically unsaturated monomers of formula (I) | 01-05-2012 |
20130289217 | CONDUCTING AND SEMICONDUCTING ORGANIC MATERIALS - A polymer comprising a conducting or semiconducting segment coupled to a polymer segment having an insulating polymer backbone, the polymer further comprising a RAFT functional group coupled to the polymer segment, wherein there is no RAFT functional group in between the conducting or semiconducting segment and the polymer segment. | 10-31-2013 |
Patent application number | Description | Published |
20100069557 | DISPERSING AGENTS IN COMPOSITES - The present invention is directed to compositions comprising (a) a synthetic polymer, (b) a talc as a filler, wherein the talc particles have a mean particle size of from 0.4 to 25 μm, and are present in an amount of from 0.1 to 10% based on the weight of component (a) and (c) a dispersing agent which is based on a non-ionic surfactant or an amphiphilic statistical, block or comb copolymer, provided that when the synthetic polymer (a) is a polyamide, this is present in an amount of less than 55% based on the weight of (a), (b) and (c). | 03-18-2010 |
20100137548 | PROCESS FOR TRANSFORMING THE END GROUPS OF POLYMERS - The present invention is directed to a process for the cleavage of one or more starting polymers having thiocarbonylthio groups of the formula (I) into derived polymers in which the —S—(C═S)— group is transformed. The process includes contacting the starting polymer containing groups Y | 06-03-2010 |
20100200051 | SOLAR CELL AND METHOD FOR PREPARATION THEREOF - The present invention relates to a dye sensitized solar cell comprising a semiconductor formed of a particulate metal oxide, a dye adsorbed onto the semiconductor wherein the semiconductor interface with the dye is formed by atomic layer deposition (ALD) of a semiconductor material onto the particulate metal oxide. | 08-12-2010 |
20130137834 | MODIFICATION OF PROPYLENE POLYMERS - The invention relates to a process for increasing the melt flow index of a propylene polymer, the process comprising melt mixing the propylene polymer in the presence of aqueous hydrogen peroxide. | 05-30-2013 |