Patent application number | Description | Published |
20100263903 | Polyolefin Composition for Medium/High/Extra High Voltage Cables with Improved Electrical Breakdown Strength - The present invention relates to a polyolefin composition comprising a polyolefin and aromatic compounds, comprising a naphthyl-group or at least two linked phenyl-groups, as stabilizers for use in producing medium and high voltage cables with improved electrical breakdown strength. | 10-21-2010 |
20110220392 | POLYOLEFIN COMPOSITION FOR MEDIUM/EXTRA/HIGH VOLTAGE CABLES COMPRISING BENZOPHENONE-TYPE VOLTAGE STABILIZER - The present invention relates to a polyolefin composition comprising (i) a polyolefin (A), (ii) a benzophenone derivative (B) comprising the, preferably consisting of the, structural unit according to the following formula (I): wherein one or more of the Carbon atoms in the phenyl rings to which residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is attached may also be a heteroatom, such as N, in which case the respective residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is not present; R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I), and wherein the ring system of formula (I) with said at least one fused further ring may further bear one to eight substituents, R1′ to R8′ each of which are independently selected from said same groups as R1 to R10; and n=1 to 10; with the proviso that (i) at least one of said R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10, or if present, at least one of said R1′ to R8′, is a hydrocarbyl group which may contain heteroatoms and which contains an amine group. | 09-15-2011 |
20130000947 | CROSSLINKABLE POLYMER COMPOSITION AND CABLE WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - A polymer composition with improved DC electrical properties and a cable surrounded by at least one layer comprising the polymer composition are provided. | 01-03-2013 |
20130025910 | POLYOLEFIN COMPOSITION FOR MEDIUM/HIGH/EXTRA HIGH VOLTAGE CABLES COMPRISING BENZIL-TYPE VOLTAGE STABILISER - The present invention relates to a polyolefin composition comprising (i) a polyolefin (A), (ii) a benzil derivative (B) comprising the, preferably consisting of the, structural unit according to the following formula (I). wherein one or more of the carbon atoms in the phenyl rings to which residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is attached may also be a heteroatom, such as N, in which case the respective residue R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10 is not present; R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 independently are hydrogen, or a hydrocarbyl group which may contain heteroatoms; or at least two of said R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 together with the ring atoms of the ring system of formula (I) they are attached to, form a further aromatic or non-aromatic ring fused to the ring system of formula (I), and wherein the ring system of formula (I) with said at least one fused further ring may further bear one to eight substituents, R1′ to R8′, each of which are independently selected from said same groups as R1 to R10; and n=2 to 9; with the proviso that (i) at least one of said R1, R2, R3, R4, R5, R6, R7, R8, R9 or R10, or if present, at least one of said R1′ to R8′, is a hydrocarbyl group which may contain one or more heteroatoms. | 01-31-2013 |
20130081854 | POLYMER COMPOSITION FOR W&C APPLICATION WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a use of a polymer composition with improved DC electrical properties in a power cable layer and to a cable surrounded by at least one layer comprising the polymer composition. | 04-04-2013 |
20130087362 | POLYMER COMPOSITION FOR W&C APPLICATION WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a polymer composition with improved DC electrical properties, to the use of the composition for producing a cable layer and to a cable surrounded by at least one layer comprising the polymer composition. | 04-11-2013 |
20130199817 | CROSSLINKABLE POLYMER COMPOSITION AND CABLE WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a polymer composition with improved DC electrical properties and to a cable surrounded by at least one layer comprising the polymer composition. | 08-08-2013 |
20130341066 | Polyolefin Composition for Medium/High/Extra High Voltage Cables with Improved Electrical Breakdown Strength - This application relates to a polyolefin composition comprising a polyolefin and an aromatic compound. The polyolefin composition can be used in producing medium and high voltage cables with improved electrical breakdown strength. | 12-26-2013 |
20140190723 | POWER CABLE COMPRISING POLYPROPYLENE - Power cable comprising a conductor surrounded by at least one layer comprising a polypropylene, wherein the polypropylene comprises nanosized catalyst fragments being evenly distributed in said polypropylene. | 07-10-2014 |