Patent application number | Description | Published |
20100143631 | LOW MIGRATION POLYOLEFIN COMPOSITION - The present invention relates to a composition comprising: a) a polyolefin (A); b) a compound (B) according to formula (I), wherein R and R′ each is the same or different residue and comprising at least 6 C-atoms; c) a phenolic compound (C), having the formula (II) wherein R is an non-substituted or substituted aliphatic or aromatic hydrocarbyl radical which may comprise heteroatoms, or R is an heteroatom; X is H, OH, and/or R′; whereby R′ is a hydrocarbyl radical or hydrogen, and n is 1 to 4; and d) optionally, an UV-light stabilizer (D), wherein for the composition the total amount of migrated compounds (B), (C) and, if present, (D), as well as their decomposition products is equal to or less than 1.8 microgram per liter with a ratio S/V dm | 06-10-2010 |
20100266798 | LOW MIGRATION POLYOLEFIN COMPOSITION COMPRISING VITAMIN E-TYPE STABILISER - The present invention relates to a polyolefin composition comprising (a) a polyolefin (A), (b) a vitamin E-type stabiliser (B) according to formula (I), wherein R1, R2, R3, R4 and R5 independently are H, or non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise heteroatoms, and (c) a phenolic stabilizer (C) according to formula (II), wherein R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups; and X1, X2, and X3 independently are H or OH, with the provisio that at least one of X1, X2 and X3 is OH, and (d) optionally, an UV stabilizer, to an article comprising such a polyolefin composition and to the use of such a composition for the production of an article. | 10-21-2010 |
20110257311 | POLYOLEFIN COMPOSITION FOR WATER PIPES WITH GOOD RESISTANCE TO CHLORINE DIOXIDE AND LOW MIGRATION - The present invention relates to a polyolefin composition with good resistance to degradation caused by chlorine dioxide-containing water and at the same time showing low migration of the used additives and its decomposition products, especially phenols, out of the composition. The present invention is also directed to a pipe made of such a polyolefin composition. The present invention further relates to the use of the polyolefin composition for the production of a pipe and to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water and for maintaining at the same time a low migration of the used additives and its decomposition products, especially phenols, out of the polyolefin composition. | 10-20-2011 |
20110257312 | POLYOLEFIN COMPOSITION FOR WATER PIPES WITH IMPROVED CHLORINE RESISTANCE - The present invention relates to the use of compound (A) and compound (B) in a polyolefin composition for increasing the lifetime of a pipe made of said polyolefin composition which pipe is in permanent contact with chlorinated water, wherein compound (A) has the following formula (I): wherein R | 10-20-2011 |
20120000538 | POLYOLEFIN COMPOSITION FOR WATER PIPES WITH INCREASED RESISTANCE TO CHLORINE DIOXIDE - The present invention relates to a polyolefin composition with increased resistance to degradation caused by ClO | 01-05-2012 |
20130197136 | POLYOLEFIN COMPOSITION FOR WATER PIPES WITH INCREASED RESISTANCE TO CHLORINE DIOXIDE - The present invention relates to a polyolefin composition with increased resistance to degradation caused by ClO | 08-01-2013 |
20140037879 | POLYOLEFIN PIPE WITH IMPROVED MIGRATION BEHAVIOUR - The present invention relates to a pipe comprising a polyolefin composition with low migration of the used additives and its decomposition products, especially phenolics, out of the composition, at the same time showing good pressure testing performance. | 02-06-2014 |
20140113998 | USE OF CARBON BLACK AND ANTIOXIDANTS FOR REDUCING TASTE AND/OR ODOUR IN A POLYOLEFIN COMPOSITION - The present invention relates to the use of a combination of additives comprising at least two of the following compounds: an antioxidant (A) according to formula (I): wherein R | 04-24-2014 |
20140123851 | CONSTRUCTION ELEMENT FOR CO2 CAPTURE - A construction element for a plant for capture of an acidic gas using an aqueous amine absorbent, wherein at least a part of a surface of said element comprises a polyolefin, and a hydrolytically stable antioxidant, is described. Additionally, a liner comprising said polyolefin and the hydrolytically stable antioxidant, is described. The construction element may be a column, a pipe, an insert, like a column packing element or a tray. An apparatus for capturing CO | 05-08-2014 |
20140302266 | POLYOLEFIN PIPE WITH IMPROVED MIGRATION BEHAVIOUR - The present invention relates to a pipe comprising a polyolefin composition with low migration of the used additives and its decomposition products, especially phenolics, out of the composition, at the same time showing good pressure testing performance. | 10-09-2014 |